{"text_format":"1","workbook":"xlsx","n_sheets":12,"sheets":["Cover","Notes","Introduction","1) a) Source","1) b) Pathway","1) c) Receptors","2) Site Hazard Rating","3) Likelihood","4) Site Risk and Classification","5) Standard Containment Designs","Sheet1","Risk Scoring"],"not_rendered":{"charts":0,"images":12,"macros":1,"external_links":1,"defined_names":56,"comments":9,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"Cover","index":0,"n_rows":61,"n_cols":6,"rows_kept":61,"cut":false,"hidden":false,"merged":[]}
[]
[]
[]
[]
[null,"JOB TITLE",null,null,null,"Yorkshire Water IED Permit"]
[]
[null,"JOB NUMBER",null,null,null,"264427-00"]
[]
[null,"MADE BY"]
[]
[null,"CHECKED BY"]
[]
[null,"DATE",null,null,null,"2021-03-10"]
[]
[null,"Description of spreadsheet",null,null,null,"This spreadsheet provides a secondary containment risk assessment for Mitchel Laithes (Dewsbury) Sludge Treatment Facility (STF) using the Anaerobic Digestion and Biogas Association (ADBA) secondary containment risk assessment tool. "]
[]
[null,"Sheet Number prefix",null,null,null,""]
[]
[null,"Member/Location",null,null,null,""]
[]
[null,"Drawing Reference",null,null,null,""]
[]
[null,"Filename",null,null,null,{"$f":"IF(CELL(\"filename\")=\"\",\"\",LEFT(CELL(\"filename\"),FIND(\"]\",CELL(\"filename\"))))","v":{"$error":"#VALUE!"}}]
[]
[]
[null,"CONTENTS OF SPREADSHEET"]
[]
[null,"Sheet",null,"Description"]
[null,"Cover"]
[null,"Notes"]
[null,"Introduction",null,"Introduction to the ADBA Tool"]
[null,"1 a) Source",null,"The inventory of materials for Dewsbury STF is provided in the worksheet 1a) Source "]
[null,"1 b) Pathway",null,"The Pathway information for Dewsbury STF is provided in the worksheet 1) b) Pathway "]
[null,"1 c) Receptors",null,"The Receptor information for Dewsbury STF is provided in the worksheet 1) c) Receptor."]
[null,"2) Site Hazard Rating",null,"The Site Hazard Rating is displayed in the worksheet 2) Site Hazard Rating"]
[null,"3) Likelihood",null,"The likelihood of loss of primary containment and the associated mitigation."]
[null,"4) Site Risk and Classification",null,"The Site Hazard Rating and Classification is in this worksheet"]
[null,"5) Standard Containment Design",null,"The Standard Containment Design is in this worksheet"]
[]
[]
[]
[]
[null,"AUTHORISATION OF LATEST VERSION"]
[]
[null,"Type and method of check",null,null,null,"Review of method, inputs and assumptions"]
[]
[null,"Signatures & dates:",null,null,"Made by ","Various"]
[]
[null,null,null,null,"Checked "]
[]
[null,null,null,null,"Approved"]
[]
[null,"REVISIONS",null,null,"Current Revision ",3]
[]
[null,"Rev.","Date","Made by","Checked"," Description"]
[null,1,"2020-06-03","Various","MR","Source, Pathway Receptor Drafted"]
[null,2,"2020-06-09","Various","MR","Likelihood Drafted"]
[null,3,"2020-09-25","Various","MR","Updated following YWS meeting"]
[null,4,"2021-03-10","Various","EP","Updated following Client comments"]
[null,5,"2023-01-25","KP","SW","Updated "]
[null,6,"2023-10-18","KP","SW","Mitagative spill model includeed"]

{"sheet":"Notes","index":1,"n_rows":62,"n_cols":3,"rows_kept":62,"cut":false,"hidden":false,"merged":[[39,1,39,2],[46,1,46,2],[52,1,52,2],[61,1,61,2],[1,1,1,2],[3,1,5,2],[6,1,6,2],[7,1,9,2],[15,1,15,2],[19,1,19,2]]}
[]
[null,"(1) Purpose of spreadsheet"]
[]
[null,"This spreadsheet outlines the information and data utilised, as well as the assumptions applied to undertake a secondary containment risk assessment for Dewsbury STF based on the using the Anaerobic Digestion and Biogas Association (ADBA) secondary containment risk assessment tool and associated guidance. The ADBA risk assessment is based on CIRIA 736  Containment systems for the prevention of pollution: Secondary, tertiary and other measures for industrial and commercial premises."]
[]
[]
[null,"(2) Key Assumptions"]
[null,"Any assumptions are outlined in the spreadsheet."]
[]
[]
[]
[]
[]
[]
[]
[null,"(3) Basis of calculations"]
[]
[null,"ADBA Risk Assessment tool."]
[]
[null,"(4) References"]
[null,"All references are outlined in the spreadsheet."]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,"(5) Special features"]
[]
[null,null,"Input Cell"]
[null,null,"Key Outputs"]
[]
[]
[]
[null,"(6) Holds or items that require Clarification"]
[]
[]
[]
[]
[]
[null,"(7) Summary"]
[]
[]
[]
[]
[]
[]
[]
[]
[null,"Best Practice Guide"]

{"sheet":"Introduction","index":2,"n_rows":75,"n_cols":9,"rows_kept":75,"cut":false,"hidden":false,"merged":[]}
[]
[null,null,null,null,null,null,null,"Although this tool works as a standalone tool, we recommend you read this first:","ADBA CIRIA736 Bund Classification Assessment"]
[]
[null,"There are 5 steps to follow:"]
[]
[null,"1)","Identify the hazard posed to the environment by the inventory of materials held on the site and the location of the site"]
[null,null,"a. Categorise the source"]
[null,null,"b. Identify the pathways"]
[null,null,"c. Identify the receptor"]
[]
[null,"2)","The Site Hazard Rating is derived by this tool from the combination of the hazards assessed above"]
[]
[null,"3)","Calculate the likelihood of a loss of primary containment event occurring"]
[]
[null,"4)","The combination of the Site Hazard Rating and the likelihood of a loss of containment occuring gives the site risk rating and required secondary containment classification"]
[]
[null,"5)","From the class of containment needed, identify suitable designs from the 'Standard Containment Designs' sheet"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,"Additional Guidance"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,"The worksheets in this spreadsheet are protected to prevent inadvertant damage to the tool.  To remove the protection, the password is CIRIA736"]

{"sheet":"1) a) Source","index":3,"n_rows":52,"n_cols":15,"rows_kept":52,"cut":false,"hidden":false,"merged":[[25,1,25,3],[5,12,5,14],[7,12,9,12]]}
[]
[]
[]
[null,"Material","Material","Total Enclosed Quantity","units","Storage","Flammability","Corrosive","Ecotoxicity (based on LD and quantity)","Environmental hazard rating ","Justification"]
[null,"Feedstock"]
[null,"Imported sludge liquid","Liquid",165,"m3","Sludge Screen Feed Tank (11 yrs old) and Associated Pipework","Not flammable","No","Low","M","Permitted waste types are non-hazardous, low toxicity and the volume is below 1000m3",null,"Risk quantification"]
[null,"Unthickened sludge","Liquid",2000,"m3","Two Primary Storage Tanks (12 yrs old) and Associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant. Indigenous sludge will also be stored in these tanks prior to any processing.",null,"Material","Volume (m3)","Environmental Hazard Rating"]
[null,"Unthickened sludge","Liquid",{"$f":"1960*2","v":3920},"m3","Two SAS Storage Tanks (12 yrs old) and Associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant. Indigenous sludge will also be stored in these tanks prior to any processing.",null,"Wet Sludge","0-99","Low"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,"100-999","Medium"]
[null,null,null," ",null,null,null,null,"Feedstock Overall Rating","H","Any material with a \"High\" rating means the overall rating is High",null,null,"1000+","High"]
[null,"Process"]
[null,"Thickened Sludge","Liquid",1530,"m3","Digester Feed Blending Tank (12 yrs old) and Associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant."]
[null,"Digesting Sludge","Liquid",{"$f":"4897*2","v":9794},"m3","Two Digesters (48 yrs old) and Associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant."]
[null,"Digested Sludge","Liquid",{"$f":"1885*2","v":3770},"m3","Two Dewatering Feed Tanks (12 yrs old) and Associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant."]
[null,"Digested Sludge","Liquid",334,"m3","Digested sludge balance tank (48 yrs old) and Associated Pipework","Not flammable","No","Low","M","Permitted waste types are non-hazardous, low toxicity and the volume is below 1000m3"]
[null,"Liquor balancing","Liquid",279,"m3","Centrifuge Centrate Tank","Not flammable","No","Low","M","Permitted waste types are non-hazardous, low toxicity and the volume is below 1000m3"]
[null,"Digested Cake","Solid",9750,"m3","Conditioning Slab","Not flammable","No","Low","M","Largely immobile therefore presents only a medium risk."]
[null,null,null,null,null,null,null,null,"Process Overall Rating","H"]
[null,"Additives and site chemicals"]
[null,"Liquid polyelectrolyte – thickening plant","Liquid",10,"m3","The liquid polyelectrolyte is stored in tanks and bunded as per YW asset standards. The process is located within a impermeable bund with drainage to STW.","Not flammable","No",null,"L","Low ecotoxicity for the quantities stored"]
[null,"Powder polyelectrolyte – dewatering plant","Solid",1,"m3","Stored and bunded as per YW asset standards. The process is within a impermeable bund with drainage to STW.","Not flammable","No",null,"L","Low ecotoxicity for the quantities stored"]
[null,"Liquid polyelectrolyte – dewatering plant","Liquid",20,"m3","Stored in tanks and bunded as per YW asset standards. The process is within a impermeable bund with drainage to STW.","Not flammable","No",null,"L","Low ecotoxicity for the quantities stored"]
[null,"Anti - Foam","Liquid",2,"m3","Stored in a 2m3 plastic tank within a kiosk","Not flammable","No",null,"L","Low ecotoxicity for the quantities stored"]
[null,"Gas Oil","Liquid",50,"m3","Stored securely in double skinned bunded tank as per YW EMS procedures","Flammable","Yes",null,"H","Gas oil has a high rating. Used for combustion, machine maintenance, etc. and this is handled and stored appropriately. "]
[null,null,null,null,null,null,null,null,"Chemicals Overall Rating","L","Only gas oil has a high rating and there are only very small volumes and this is handled and stored appropriately"]
[null,"Fire fighting agents and cooling water spillages"]
[null,"Fire Fighting Agents harmful in their own right or contaminated by inventory","Liquid",null,null,null,"Not flammable","No","Low","L","Low in the ADBA Tool example."]
[null,"Fire fighting and cooling water contaminated by inventory","Liquid",null,null,null,"Not flammable","No","Low","L","Low in the ADBA Tool example."]
[]
[]
[null,null,null,null,null,null,null,null,"Spillages Overall Rating","L","All the hazards are \"Low\" therefore the overall rating is low"]
[]
[]
[null,null,null,null,null,null,null,null,"Sources Overall Hazard Rating",{"$f":"IF(OR(J10=\"H\",J18=\"H\",J25=\"H\",J31=\"H\"),\"H\",IF(OR(J10=\"M\",J18=\"M\",J25=\"M\",J31=\"M\"),\"M\",\"L\"))","v":"H"}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["H"]
["M"]
["L"]

{"sheet":"1) b) Pathway","index":4,"n_rows":100,"n_cols":15,"rows_kept":100,"cut":false,"hidden":false,"merged":[]}
[]
[null,null,null,null,null,null,"Postcode","WF12 9BB"]
[]
[null,"Pathway - the route from primary containment to receptor",null,null,"Environmental hazard rating ","Notes","Source","Description","Link","Source","Description","Source","Description","Source","Description"]
[null,"Site layout and drainage"]
[null,"If any of the site inventory has a runoff time of a few minutes…",null,null,"H","N/A"]
[null,"If any of the site inventory has a runoff time of a few hours.…",null,null,"H","N/A"]
[null,"If any of the site inventory has a runoff time of a few days…",null,null,"M","It is assumed the site inventory has a runoff time of a few days due to the form of sludge and the distance to the receptors. 2D modelling has been completed for Dewsbury STF that identifies no sludge would leave site during catastrophic tank failure. The physical property of sludge is a slow flowing suspension and is relatively immobile, the size of the site and vegetation cover would mean it would disperse rather than stream further across the site. Modelling limitations are discussed in the Secondary Containment Report.","YW","Model output for failure of tanks is included in column Q and R. "]
[null,"If any of the site inventory has a runoff time of a few weeks…",null,null,"L","N/A"]
[]
[]
[null,"Topography, geology and hydrology"]
[]
[null,"Made Ground",null,null,"M","As made ground overlies the site, any recharge will percolate through the granular made ground material before reaching the groundwater level within both the made ground and superficial deposits. A medium environmental hazard rating has been selected for geology as the made ground is  1.6 - 3.6m thick.","BGS","Made ground identified as overlaying the bedrock geology","http://mapapps2.bgs.ac.uk/geoindex/home.html","Morgan Sindall / SWECO (2018) Ground Investigation Report  Dewsbury STW Refurbishment and Capacity","The GI indicates that the site is underlain by a sequence of made ground and natural cohesive and granular soils (residually weathered mudstone and sandstone). The thickness of each of these materials varies with location across the site. There is 1.3 - 3.6m - made ground overlying Thornhill Rock (Sandstone) with subcrops of Pennine very the Thornhill Rock (Sandstone) with subcrops of Pennine Middle Coal Measures Formation.\n\nMade ground was encountered across the whole of Site A to a maximum depth of 3.75m. Made ground on site is generally considered to consist of reworked natural materials. There is then cohesive soil up to a thickness of 3m followed by granular soil up to 1.3m thick. \nThere is then cohesive soil up to a thickness of 1.6m . Groundwater monitoring shows the minimum depth to groundwater over 6 boreholes was between 0.9-11.42m, mainly located in made ground and superficial deposits."]
[null,"Bedrock geology - Thornhill Rock (Sandstone) - Secondary A aquifer",null,null,"M","The Thornhill Rock bedrock is a Secondary A aquifer. The Thornhill Rock is likely to be hydraulically connected to the River Calder (receptor), and may feed the river through baseflow via the superficial deposits.\n\nA medium environmental hazard rating has been selected for hydrogeology as the site overlies a secondary aquifer which will allow some flow. ","BGS, Magic","British Geological Survey (BGS) maps; Sheets No. E77 (Huddersfield) and 78 (Wakefield).\nThe BGS info identifies the site is indicated to overly the Thornhill Rock (Sandstone) with subcrops of Pennine Middle Coal Measures Formation beyond the site’s southern boundary (within the wider STW). The Thornhill Rock comprises sandstone typically described as fine  grained, thickly-bedded and cross-bedded, well sorted, red quartz sandstone, commonly split with a thin coal and mudstone.\nLandscape Geology and Soils Aquifer Designation Map (Bedrock) (England)\n\n","https://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=TR http://www.largeimages.bgs.ac.uk/iip/mapsportal.html?id=1001562 http://www.largeimages.bgs.ac.uk/iip/mapsportal.html?id=1001563 https://magic.defra.gov.uk/MagicMap.aspx","Morgan Sindall / SWECO (2018) Ground Investigation Report  Dewsbury STW Refurbishment and Capacity","The GI indicates that the site is underlain by a sequence of made ground and natural cohesive and granular soils (residually weathered mudstone and sandstone). The thickness of each of these materials varies with location across the site. Mudstone and sandstone bedrock was encountered beneath the superficial deposits from depths between 2.20 and 4.45 m. There is 1.3 - 3.6m made ground overlying Thornhill Rock (Sandstone) with subcrops of Pennine very the Thornhill Rock (Sandstone) with subcrops of Pennine Middle Coal Measures Formation. The Ground Investigation Report (GIR) identifies the scheme involves the refurbishment / development of structures of  the Sludge Digestion (Digester) Area (Site A) and the Sludge Import/Screening Area (Site B) respectively. Site A is located at the north-west of the wider STW. Site B is located at the south-east of the wider STW.\nThe interbedded mudstone and sandstone bedrock is at a thickness of 20 m at depth of 2.2 to 4..4 metres. There is then cohesive soil up to a thickness of 1.6m . The interbedded mudstone and sandstone and siltstone bedrock is at a thickness of 15 m at depth of 3.5 metres. As part of the Ground Investigation Morgan Sindall carried out a Source - Pathway - Receptor Geo-Environmental Assessment. However this is for contaminated land rather than sludge."]
[null,"Superficial deposits - Alluvium - Secondary A aquifer",null,null,"M","The superficial deposits are a secondary A aquifer comprising of alluvium - a general term for clay, silt and gravel. Historic borehole logs indicate a groundwater level exceeding 5m, at 5m and at 3.5m on the site at increasing distances from the River Calder. Each of these strikes were within the Superficial deposits/made ground. \nThis indicates the groundwater flow is toward the River Calder. The superficial deposits are likely hydraulically connected to the River Calder (receptor), and contaminants are likely to migrate  through the superficial deposits down the hydraulic gradient towards the River Calder","BGS, Magic","British Geological Survey (BGS) maps; Sheets No. E77 (Huddersfield) and 78 (Wakefield).\nThe BGS info identifies the parts of the site near the river Calder is overlain with Superficial deposits of Alluvium - CLAY, SILT, SAND AND GRAVEL","https://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=TR http://www.largeimages.bgs.ac.uk/iip/mapsportal.html?id=1001562 http://www.largeimages.bgs.ac.uk/iip/mapsportal.html?id=1001563 http://mapapps2.bgs.ac.uk/geoindex/home.html","Morgan Sindall / SWECO (2018) Ground Investigation Report  Dewsbury STW Refurbishment and Capacity","The GI indicates that the superficial deposits overlay the bedrock, to a depth of 2.20-4.45m. The thickness varies across the site.\nGroundwater monitoring shows the minimum depth to groundwater over 6 boreholes was between 0.9-11.42m, mainly in made ground and superficial deposits.\n\n"]
[null,"Aire and Calder Navigation ",null,null,"M","The Aire and  Calder Navigation is located approximately 200m south of the site and  will transport any contaminants that enter the river through surface water run off or groundwater flow to abstractions and other potential receptors downstream. ","Environment Agency water body classification  ","Classified as moderate quality  for 2016 and located very close to the site, with potential groundwater and runoff pathways. "]
[null,"River Calder",null,null,"M","A medium environmental hazard rating as the site is close to the River Calder. However 2D modelling for Dewsbury STF identifies no sludge would reach the River Calder during catastrophic tank failure. The River Calder will transport any contaminants that enter the river through surface water run off or groundwater flow to abstractions and other potential receptors downstream. ","Environment Agency water body classification  ","Classified as moderate ecological status and good chemical status for 2016 ","https://environment.data.gov.uk/catchment-planning/WaterBody/GB104027062642\n"]
[null,"Mitigation - do these apply?"]
[null,"Little secondary containment is present."]
[null,"Potential spills will be contained within the hard surfaced and drained areas and returned to the WwTW for treatment. "]
[null,"The remainder of the site is predominantly grassed."]
[null,"Modelling for Dewsbury  STF identifies that sludge spills would not direclty lead to a sensative receptor in the event of a multi tank catastrophic failure.  For more information, see the secondary containment report written as part of permit application\n"]
[null,"There is made ground underlying the  site, any recharge will percolate through the granular made ground material before reaching the groundwater level within both the made ground and superficial deposits."]
[null,null,null,"Path & Mitigation Overall Rating","M","Justification: \n - Potential spills will be contained within the hard surfaced and drained areas and returned to the WwTW for treatment. \n - There are geo-environmental barriers underlying the site such as made ground.\n - There is good secondary containment for chemicals. \n - Modelling identifies a catastrophic tank failure would not leave the site."]
[null,"Climatic conditions"]
[null,"Annual rainfall < 1000 mm",1028,null,"M","The annual rainfall is greater than 1,000 mm therefore a medium hazard rating has been selected.","Met  Office","UK climate averages","https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-climate-averages/gcw9q2z5u"]
[]
[null,"Fire Fighting Water"]
[null,"Inflammable materials normally present on site in large quantities",null,null,"L"," - There is limited flammable materials on the STF that would combust over long periods and required significant volumes of fire fighting water. \n - If firefighting was needed on the site the site drainage system returns surface water to treatment within the WwTW.\n - Fire water is therefore not  considered to be a pathway risk. "]
[]
[null,"Location"]
[null,"Flooding",null,null,"L","Dewsbury STF is situated adjacent to the River Calder in Dewsbury, Yorkshire. The site is located within Environment Agency (EA) flood zones 2 and 3. It is therefore potentially vulnerable to inundation during a 1 in 100 year fluvial flooding event. Assessment of local flood hazard data and asset critical levels at the site demonstrates that the site is even more vulnerable than this as the site is resilient to less than a 1 in 10 year event. Anecdotal evidence from YW engineers at the site supports this. Staff have indicated that in high water the outfall cannot open, causing the final settlement and storm tanks to overtop (this type of flooding has been recorded c. 15 times in the past 4 -5 years). However the location of floods is not near to sludge assets such as cake pads/storage areas thus this is not seen on pathway.","EA Flood Map for Planning","The site is located across three flood zones; Zone 2 and Zone 3 with the edges of the site bordering Zone 1.","https://flood-map-for-planning.service.gov.uk/confirm-location?easting=425734&northing=420260&placeOrPostcode=WF12%208LL","Morgan Sindall / SWECO (2018) Ground Investigation Report  Dewsbury STW Refurbishment and Capacity","A flood risk assessment has bene undertaken which has identified that the Centrifuge Transformer is on Flood Zone 2. The remaining structures considered within this report are within Flood Zone 1.","Arup (2006) Spen Valley WwTW\nFlood Risk Assessment\nScoping Study","Mitchell Laithes WwTW (NGR, SE 261 197) is situated immediately to the north of the river Calder about one kilometre upstream of Healey. The WwTW at Mitchell Laithes is located on the flat floodplain of the river Calder and all structures are below an elevation of 40m AOD. An incline to the north east of the site runs up to an elevation of approximately 55m AOD. The defences at Mitchell Laithes are discontinuous and may not protect the WwTW site. An enclosed area on the downstream left bank floodplain may be a washland structure. Historic flood information shows that floods on the River Calder near Dewsbury capable of causing damage to infrastructure have been common over the last 300 years. Much of the flooding information however is not associated with a quantified flood height.","Yorkshire Water: Summary Flood Resilience Report for Critical Assets Dewsbury STF / STW","Dewsbury STW and STF are situated on the same site adjacent to the River Calder in Dewsbury, Yorkshire. The site is located within Environment Agency (EA) flood zones 2 and 3. It is therefore potentially vulnerable to inundation during a 1 in 100 year fluvial flooding event. Assessment of local flood hazard data and asset critical levels at the site demonstrates that the site is even more vulnerable than this as the site is resilient to less than a 1 in 10 year event. Anecdotal evidence from YW engineers at the site supports this. Staff have indicated that in high water the outfall cannot open, causing the final settlement and storm tanks to overtop (this type of flooding has been recorded c. 15 times in the past 4 -5 years). At the time of site survey the MCC building basement was also flooded, though not via the building threshold, thus further investigation is required. In one recent flooding event in January 2008, the site flooded and damage cost £280,000 to fix. It is recommended that a detailed report, intervention analysis and CBA is undertaken."]
[null,"Site is connected to a Wastewater Treatment Works",null,null,"L","  - The WwTW is designed with capacity to treat peaks in flow and loads including from surface water drainage input from the site.  \n - In the event of a catastrophic failure on site the SCADA system would manage the Wastewater treatment process to contain any additional load within the system, where possible.  If site capacity were exceeded high level and treatment alarms would alert site operators or the Yorkshire Water central control room, who would start the emergency procedures in line with the site accident procedures in the site EMS and shut down/divert processes that risk the  WwTW discharge consent. \n - The potential risk of releases via the WwTW is considered to be low. "]
[null,"Topography",null,null,"M","The wider STW falls from approximately 55m AOD at the northern extent of the site to 45m AOD towards the south (towards the River Calder). The site is relatively level at the southern boundary and slopes steeply towards the north. The slope continues to rise beyond the site boundary at the north.",null,null,null,"Morgan Sindall / SWECO (2018) Ground Investigation Report  Dewsbury STW Refurbishment and Capacity","The wider STW, encompassing both Site Area A and Area B, hereafter referred to as ‘the site’ falls from approximately 55m AOD at the northern extent of the site to 45m AOD towards the south. The site is relatively level at the southern boundary and slopes steeply towards the north. The slope continues to rise beyond the site boundary at the north."]
[null,null,null,"Site Considerations  Overall Rating","M"]
[]
[]
[null,null,null,"Pathway Overall Hazard Rating",{"$f":"IF(OR(E25=\"H\",E36=\"H\"),\"H\",IF(OR(E25=\"M\",E36=\"M\"),\"M\",\"L\"))","v":"M"}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["H"]
["M"]
["L"]

{"sheet":"1) c) Receptors","index":5,"n_rows":100,"n_cols":17,"rows_kept":100,"cut":false,"hidden":false,"merged":[]}
[]
[null,null,null,null,null,null,null,null,null,null,null,"Postcode","WF12 9BB"]
[]
[null,"Receptors","Within","units",null,null,null,null,null,"Environmental hazard rating ","Notes","Source","Description","Link","Source","Description","Link"]
[null,"Watercourses and bodies"]
[null,"River Calder","30-300","m",null,null,null,null,null,"H","Classified as moderate ecological status and good chemical status for 2016 and located very close to the site, with potential groundwater and runoff pathways. \nThe River is categorised as a Sector 41 UK BAP Habitat, a priority habitat from  'UK Biodiversity Action Plan: Priority Habitat Descriptions. UK BAP priority habitats cover a wide range of semi-natural habitat types, and were those that were identified as being the most threatened and requiring conservation action under the UK Biodiversity Action Plan (UK BAP).  \nRiver Calder form an important wildlife corridor for mammals (otters and bats), birds and wetland plants.","https://environment.data.gov.uk/catchment-planning/WaterBody/GB104027062642","Classified as moderate ecological status and good chemical status for 2016 ","https://environment.data.gov.uk/catchment-planning/WaterBody/GB104027062642","Calder from River Colne to River Chald (GB104027062631)\n\n\n","Watercourse is a WFD designated surface water body. ","https://environment.data.gov.uk/catchment-planning/WaterBody/GB104027062631"]
[null,"Canal: Aire and Calder Navigation",200,"m",null,null,null,null,null,"L","Canal is adjoined to River Calder so attributed the same description as River Calder - moderate ecological status and good chemical status. Classified as moderate quality  for 2016 and located close to the site, with potential groundwater and runoff pathways, but unlikely to be significantly impacted as it is beyond the River Calder.\n\nWatercourse is a WFD designated surface water body.\nThe canal is also recognised as a Local Wildlife Site and Site of Scientific Interest. These are non-statutory designations. There are no proposed in-channel works required as part of the proposals at the site.","https://environment.data.gov.uk/catchment-planning/WaterBody/GB104027062642","Classified as moderate quality  for 2016 and located very close to the site, with potential groundwater and runoff pathways. "]
[null,"Chickenley Beck",400,"m",null,null,null,null,null,"L","The receptor has no existing designations and is located 400 metres away.  2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. "]
[null,"Secondary A aquifer - Superficial deposits","beneath site",null,null,null,null,null,null,"M","Classified as a Secondary aquifer (A), therefore medium environmental hazard rating.  \nBorehole logs indicate a groundwater level exceeding 5m, at 5m and at 3.5m on the site at increasing distances from the River Calder. Each of these strikes were within the Superficial deposits/made ground. \nThis indicates the hydraulic gradient is directed south and groundwater flow is toward the River Calder. It has to be assumed groundwater is also in hydraulic connectivity with the bedrock in the absence of information to say otherwise. Groundwater within the superficial deposits should be considered as hydraulically connected to made ground, superficial deposits, and surface water features.","BGS, MAGIC","Borehole logs show a lower depth to groundwater further away from the River Calder. All groundwater strikes were in the superficial deposits/made ground.","http://mapapps2.bgs.ac.uk/geoindex/home.html https://magic.defra.gov.uk/MagicMap.aspx",null,"The superficial deposits have permeable layers capable of supporting water supplies at a local rather than strategic scale, and in some cases forming an important source of base flow to rivers.\n"]
[null,"Secondary A aquifer - bedrock","beneath site",null,null,null,null,null,null,"M","Classified as a Secondary aquifer (A), therefore medium environmental hazard rating. No nearby source protection zones. Currently unknown if there exists an impermeable layer between the superficial deposits and the bedrock, if there is the environmental hazard rating may be reduced to Low. \nNot knowing this information it has to be assumed that groundwater in the bedrock will be in hydraulic connection to the made ground, superficial deposits and the surface water features and has an environmental hazard rating as M. \n","MAGIC",null,"https://magic.defra.gov.uk/MagicMap.aspx",null,"The bedrock has permeable layers capable of supporting water supplies at a local rather than strategic scale, and in some cases forming an important source of base flow to rivers.\n"]
[null,"Abstraction",null,null,null,null,null,null,null,"M","No public water abstractions or groundwater source protection zones nearby. Currently unaware of private abstractions in the area.\nThis assessment will need further review on-site of the desk study information, and it is recommended that private licensed and unlicensed abstraction information is requested from the EA and local council. Hazard rating is M until confirmed otherwise with data.",null,"MAGIC"]
[null,"High value ecosystems",4000,"m",null,null,null,null,null,"L","The nearest SSSI is over 4kms away"]
[null,"WwTWs",50,"m",null,null,null,null,null,"L","The WwTWs is a very large operation and would take an very significant spill to cease operation."]
[null,null,null,null,null,null,null,null,"Water Overall Rating","H","Justification: High Environmental Hazard Rating for River Calder"]
[null,"Habitation"]
[null,"Lodge Farm",340,"m",null,null,null,null,null,"L","The receptor is located 340 m away.  2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. "]
[null,"Phoenix Refinishers",700,"m",null,null,null,null,null,"L","The receptor is located 700 m away. 2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. "]
[null,"Osset Academy (School)",1732,"m",null,null,null,null,null,"L","The receptor is located 1.7km away. 2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. A"]
[null,"Residences in South Ossett",740,"m",null,null,null,null,null,"L","The receptor is located 740 m away. 2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. "]
[null,"Dewsbury Town Centre",2500,"m",null,null,null,null,null,"L","The receptor is located  2,500m away.  2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. "]
[null,null,null,null,null,null,null,null,"Habitation Overall Rating","L","Justification: Industry is 150m away"]
[null,"Other"]
[null,"Denby Grange Colliery Ponds (SAC and SSSI) ",4200,"m",null,null,null,null,null,"L","The receptor is located 4.2 km from the STF.  2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. ","MAGIC","Land and Marine Based Statutory Designations","https://magic.defra.gov.uk/MagicMap.aspx","Arup (2018) Air Quality Assessment","The only designated ecological sites meeting these criteria are Denby Grange Colliery Ponds (SAC and SSSI) located 4.2km south of the Site and Sparrow Wood Local Nature Reserve (LNR), located 1.3km to the west."]
[null,"Sparrow Wood Local Nature Reserve",1300,"m",null,null,null,null,null,"L","The receptor is located 1.3km from the STF.  2D modelling for Dewsbury STF identifies all sludge would stay on-site during catastrophic tank failure. ","MAGIC","Land and Marine Based Statutory Designations","https://magic.defra.gov.uk/MagicMap.aspx","Arup (2018) Air Quality Assessment","The only designated ecological sites meeting these criteria are Denby Grange Colliery Ponds (SAC and SSSI) located 4.2km south of the Site and Sparrow Wood Local Nature Reserve (LNR), located 1.3km to the west."]
[]
[null,null,null,null,null,null,null,null,"Other Overall Rating","L","Justification: All of the above are Low Environmental Hazard Rating","MAGIC","Land and Marine Based Statutory Designations","https://magic.defra.gov.uk/MagicMap.aspx"]
[]
[]
[null,null,null,null,null,null,null,null,"Receptors Overall Hazard Rating",{"$f":"IF(OR(J14=\"H\",J21=\"H\",J26=\"H\"),\"H\",IF(OR(J14=\"M\",J21=\"M\",J26=\"M\"),\"M\",\"L\"))","v":"H"}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["H"]
["M"]
["L"]

{"sheet":"2) Site Hazard Rating","index":6,"n_rows":106,"n_cols":5,"rows_kept":106,"cut":false,"hidden":false,"merged":[[12,1,12,3],[3,1,3,4]]}
[]
[]
[]
[null,"Calculated hazard ratings:"]
[null,"Source","Pathway","Receptor","Site Hazard Rating"]
[null,{"$f":"'1) a) Source'!J34","v":"H"},{"$f":"'1) b) Pathway'!E39","v":"M"},{"$f":"'1) c) Receptors'!J29","v":"H"},{"$f":"IF(E106<6,\"Low\",IF(E106<10,\"Medium\",\"High\"))","v":"High"}]
[]
[]
[]
[]
[]
[]
[null,"Possible Combination",null,null,"Site Hazard Rating"]
[null,"L","L","L","Low"]
[null,"M","M","L","Low"]
[null,"H","L","L","Low"]
[null,"M","M","M","Medium"]
[null,"H","M","L","Medium"]
[null,"H","H","L","Medium"]
[null,"H","M","M","High"]
[null,"H","H","M","High"]
[null,"H","H","H","High"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,"Rating lookup table"]
[null,"L",1]
[null,"M",2]
[null,"H",3]
[]
[null,"This assessment score"]
[null,{"$f":"VLOOKUP(B6,B101:C103,2,FALSE)","v":3},{"$f":"VLOOKUP(C6,B101:C103,2,FALSE)","v":2},{"$f":"VLOOKUP(D6,B101:C103,2,FALSE)","v":3},{"$f":"B106*C106*D106","v":18}]

{"sheet":"3) Likelihood","index":7,"n_rows":1489,"n_cols":9,"rows_kept":1489,"cut":false,"hidden":false,"merged":[[90,1,102,1],[90,5,102,5],[198,1,210,1],[198,3,210,3],[198,4,210,4],[198,5,210,5],[170,1,183,1],[170,3,183,3],[170,4,183,4],[170,5,183,5],[184,1,197,1],[184,3,197,3],[184,4,197,4],[184,5,197,5],[130,1,142,1],[130,3,142,3],[117,1,129,1],[130,4,142,4],[130,5,142,5],[117,3,129,3],[117,4,129,4],[117,5,129,5],[156,1,169,1],[156,3,169,3],[156,4,169,4],[156,5,169,5],[143,4,155,4],[143,1,155,1],[143,3,155,3],[143,5,155,5],[23,6,23,7],[17,1,17,3],[103,1,116,1],[103,3,116,3],[103,4,116,4],[103,5,116,5],[65,1,76,1],[65,3,76,3],[65,4,76,4],[65,5,76,5],[25,1,37,1],[25,3,37,3],[90,3,102,3],[90,4,102,4],[25,4,37,4],[25,5,37,5],[77,1,89,1],[77,4,89,4],[77,3,89,3],[77,5,89,5],[38,1,50,1],[38,3,50,3],[38,4,50,4],[38,5,50,5],[51,1,62,1],[51,3,62,3],[51,4,62,4],[51,5,62,5]]}
[]
[]
[]
[]
[]
[]
[]
[]
[null,"Rational for the assessment of likelihood "]
[null,"Identification of risks is based on the individual sources of potentially polluting material (sludge tanks, etc.) and on the general site risk identified in the CIRIA guidance"]
[null,"Assessment of the unmitigated risk of emissions from each source is based on the potential for failure of any containment measures provided. "]
[null,"This considers the primary, secondary and tertiary containment associate with each source and the potential breach of these containment measures."]
[null,"The likelihood of failure is quantified, based on the guidelines provided in CIRIA 736 and Yorkshire Waters experience of containment failures on their sites. "]
[null,"Basing the quantification of containment failure on historical Yorkshire Water failure data . Using experience on YWS sites therefore accounts for the Yorkshire Water design specification, making the assessment relevant to the design. ",null,"The identification of the likelihood of the loss of containment ad subsequent release of contaminants "]
[null,"The mitigation applied to the risks considers the operational and maintenance procedures, including regular inspecting and testing of containment measures.  "]
[null,"Based on the regular inspecting and testing of containment measures it is considered that the potential for catastrophic failures would be identified prior to failure and either decommissioned and replaced (for example tanks) or repairs (e.g. pipelines)"]
[]
[null,"The likelihood of failure risks considers all potential failure reasons identified in Section 5 of the ADBA guidance, including: \n operational failures, such as failure of plant, or human failure by operators\n shortfalls in design – lack of alarms and fail-safe devices\n structural failure – materials, components, detailing, corrosion or when exposed to heat or flame e.g. from a site-wide fire, whole vessel failure, pipe failures\n abuse – inappropriate change of use or other misuse\n impact, e.g. from a vehicle or plane crash\n vandalism, terrorism, force majeure etc.\n flood, fire or explosion\n geological factors – subsidence, earthquakes etc.\n ageing or deteriorating assets/sub-components.\n Small failures such as single IBC"]
[]
[]
[]
[]
[]
[]
[null,"Risk ","Description of Risk","UNMITIGATED LIKELIHOOD \n","Mitigation applied","MITIGATED LIKELIHOOD",null,"Low","Site Overall Likelihood"]
[null,"Sludge Screen Feed Tank\n165m3\n\n - Spillage of non hazardous sludge: catastrophic failure of tank, tank overflow, and tank leaks.\n","Containment:","M"," - Tanks visually inspected weekly. \n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset\n - Regular drop testing of the tank will be carried out, to confirm the tank is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. \n ","L"]
[null,null,"Glass coated steel tank. Constructed in 2009 with an asset life of 20 years.\nHigh level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached. \nOpen topped tank therefore no over/under pressure impact during filling or emptying. \nTank surrounded by tarmac surface. Spills within tanker discharge area drain to primary sludge culvert and are returned to the STF. "]
[null,null,"Failure risk"]
[null,null,"Structural failure   - Glass coated steel tank designed and maintained to the Yorkshire Water specifications to contain liquid. Yorkshire Water have never experienced catastrophic failure of these type of tanks. The risk of loss of containment due to catastrophic tank failure is therefore considered medium\n- There are potential for minor leakage around pipe flanges, where they enter and exist the tank. Based on the CIRIA risk criteria the risk of loss of containment is therefore considered medium"]
[null,null,"Design failures - Open topped tank therefore no over/under pressure impact during filling or emptying. No risk of overflow, due to level monitors and the interlock on feed pumps. The tank is designed to the Yorkshire Water specifications. Likelihood of emissions due to Design failures is low"]
[null,null,"Operational failures - The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the STF and all plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff and tanker operators are trained to operate the import tank. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low "]
[null,null,"  Impact -  The tank is protected by bollards between the tank and tanker unloading point and site road.  Likelihood of emissions due to impacts low -  The tank is protected by bollards between the tank and tanker unloading point and site road.  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site control by  an electronic ID card site entry system. Likelihood of emissions due to vandalism is low"]
[null,null,"Fire, explosion - The tank is open topped so flammable gasses would not build up in the tank.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors -  There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  The tank was designed with geotechnical design input.  Likelihood of emissions due to geological issues is  There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  The tank was designed with geotechnical design input.  Likelihood of emissions due to geological issues is low  "]
[null,null,"Ageing -  Tank constructed in 2009 with an asset life of 20 years. The tank has reached 1/3 of its asset life.  Likelihood of emissions due to age is low"]
[null,null,"Lightning strike - This is a low tank with other significantly taller structures within the vicinity.  Likelihood of emissions due to lightning is low"]
[null,"Pipework and pumps associated with sludge screen feed tank\n\n - Leaking / spillage of non hazardous sludge: catastrophic failure and leaks from pipework.","Containment:","M"," - Above ground pipework visually inspected weekly. \n - Below ground pipework pressure testing annually.\n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Non Destructive Testing is carried out every 5 years on all ancillary assets. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for pipework failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - In the  event of loss of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated.  ","L"]
[null,null,"Pipes between sludge import connection, the import tank and sludge screens are above ground an over tarmac which falls to site drainage, so easily inspected for leak detection. \nSludge pumps are located on concrete plinths that drain to the site drainage system to the WwTW inlet works.\nPipes from sludge screens to the import tank pumping station wet well, to the sludge pumps and from the pumps to the primary sludge storage tanks are underground single skin pipelines. \nThe pipelines were installed and tested in accordance with standard water industry specifications and YWS engineering specifications. "]
[null,null,"Failure risk"]
[null,null,"Structural failure   - All pipes, pumps and the wet wells were designed and constructed to Yorkshire Water specifications at the time of construction. \n- There are potential for minor leakage around pipe flanges or joints, however pipes are regularly tested to identify leaks, Pipes from tanker inlet connecting are above ground over hardstanding that drains to site drainage, therefore the likelihood of emissions are low. However other pipes are below ground and single skinned. Based on the CIRIA risk criteria  and YWS experience of pipe failure the likelihood of emissions is considered medium\n- There is risk of catastrophic failure of pipe joints and flanges, particularly downstream of the sludge pumps. However any sudden loss of pressure related to a catastrophic pipe failure would be identified by the site SCADA system resulting all pumping being stopped and an alarm on the site SCADA system, therefore reducing any emissions. Likelihood of emissions due to catastrophic pipe failure is considered medium\n- There is potential for minor spills and leaks from pump, both around pipe flanges or during pump maintenance. However these spills would be contained on the drained plinth.  Likelihood of emissions is low."]
[null,null,"Design failures -The pipes are designed to the Yorkshire Water specifications, to an asset life of 30 years. However these pipes provide single containment and are underground. Likelihood of emissions due to Design failures is therefore considered medium"]
[null,null,"Operational failures -The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the STT and all plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse -  All site staff and tanker operators are trained to operate the import tank and pumps as necessary. There is no risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low "]
[null,null,"Impact -  The above ground pipework and pumps are protected by bollards. Otherwise pipelines are below ground. Likelihood of emissions due to impacts is low"]
[null,null,"Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site control by  an electronic ID card site entry system. Likelihood of emissions due to vandalism is low"]
[null,null,"Fire, explosion - All pipes and pumps associated with the sludge screen feed tank are contained and hold non flammable liquid. Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors -  There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site. The pipes were designed with geotechnical design input. Likelihood of emissions due to geological issues is low "]
[null,null,"Ageing -  The pipes were constructed in at various times. They are regularly monitored to check for leakages and material failure. Likelihood of emissions due to age is medium"]
[null,null,"Lightning strike - Pipes are not at risk from lightning strikes. The likelihood of emissions is low"]
[null,"Primary Storage Tanks\nNo. 2\n1,000m3 each\n\n - Spillage of non hazardous sludge: catastrophic failure of tank, tank overflow, and tank leaks.","Containment:","M"," - Tanks visually inspected weekly. \n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Regular drop testing of the tank will be carried out, to confirm the tank is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. \n ","L"]
[null,null,"Post-tension concrete tank. Constructed in 2008 with an asset life of 60 years.\n- No secondary or tertiary containment. \n- Tank surrounded by grass and gravel. \n-  2D modelling shows that any catastrophic tank failure would not leave the wider WwTW.\n - Physical property of sludge is slow flowing suspension and relatively immobile. This limits the risk of sludge flowing to off-site receptors and facilitates clean if a spill was to happen."]
[null,null,"Failure risk"]
[null,null,"Structural failure   - Concrete tanks designed and maintained to the Yorkshire Water specifications to contain liquid. The tank was built with a 60-year asset life. it has a pressure release valve to prevent damage to the tank walls and roof during tanker unloading operations. Yorkshire Water have never experienced catastrophic failure of these type of tanks. Based on the CIRIA risk criteria and Yorkshire Water’s experience of tank failure the risk of loss of containment due to catastrophic tank failure is considered medium. \n- There are potential for minor leakage around pipe flanges, where they enter and exist the tank. Based on the CIRIA risk criteria and Yorkshire Water’s experience of loss of containment due to leaks and spills the tank failure is considered medium. "]
[null,null,"Design failures -  Covered tanks with no risk of overflow, due to high level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached and an overflow via site drains to the WwTW inlet. The tanks are designed to the Yorkshire Water specifications. Likelihood of emissions due to Design failures is low"]
[null,null,"Operational failures - The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the STF and all plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse -  All site staff are trained to operate the tank. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low "]
[null,null,"Impact -   The tank is not close to the site roads.  Likelihood of emissions due to impacts is low"]
[null,null,"Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site control by  an electronic ID card site entry system. Likelihood of emissions due to vandalism is low."]
[null,null,"Fire, explosion - the airspace inside the tank is vented to an odour control system, so flammable gasses would not build up in the tank.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors -  There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  The tank was designed with geotechnical design input.  Likelihood of emissions due to geological issues is  There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  The tank was designed with geotechnical design input.  Likelihood of emissions due to geological issues is low  "]
[null,null,"Ageing -  Tank constructed in 2008 with an asset life of 60 years. The tank has reached 1/5 of its asset life.  Likelihood of emissions due to age is low"]
[null,"Surplus Activated Sludge (SAS) Tanks\nNo. 2\n1,960 m3 each\n\n - Spillage of non hazardous sludge: catastrophic failure of tank, tank overflow, and tank leaks.","Containment\n- Post-tension concrete tank. Constructed in 2008 with an asset life of 60 years.\n- No secondary or tertiary containment. \n- Tanks surrounded by grass. \n- High level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached. \n- The tanks include a pressure release valve to prevent damage to the tank walls and roof during tanker unloading operations.\n-  2D modelling shows that any catastrophic tank failure would not leave the wider WwTW site but come in close proximity of the river Calder, posing risk during flooding or high rainfall.\n - Physical property of sludge is slow flowing suspension and relatively immobile. This limits the risk of sludge flowing to off-site receptors and facilitates clean up if a spill was to happen.\nFailure risk\n- Structural failure – ccc. The tanks were built with a 60-year asset life. Yorkshire Water have never experienced catastrophic failure of these type of tanks. Based on the CIRIA risk criteria and Yorkshire Water’s experience of tank failure the risk of loss of containment due to catastrophic tank failure is considered medium\n- There are potential for minor leakage around pipe flanges, where they enter and exit the tanks. Based on the CIRIA risk criteria and Yorkshire Water’s experience of loss of containment due to leaks and spills the tank failure is considered medium\n- Design failures – No risk of overflow, due to level monitors and the interlock on feed pumps plus an overflow via site drains to the WwTW inlet. The tanks are designed to the Yorkshire Water specifications. Likelihood of emissions due to Design failures is low\n- Operational failures - The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the STF and all plant items. Likelihood of emissions due to operational failure is low\n- Abuse - All site staff and tanker operators are trained to operate the STF and pumps associated with these tanks. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low \n- Impact - The tank is not close the site roads.  Likelihood of emissions due to impacts is low\n- Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site control by an electronic ID card site entry system. Likelihood of emissions due to vandalism is low\n- Fire, explosion - the airspace inside the tank is vented to an odour control system, so flammable gasses would not build up in the tank.  Likelihood of emissions due to fire or explosion is low\n- Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  The tank was designed with geotechnical design input.  Likelihood of emissions due to geological issues is low \n- Ageing - Tanks were constructed in 2008 with an asset life of 60 years. The tanks have reached 1/5 of its asset life.  Likelihood of emissions due to age is low","M"," - Tanks visually inspected weekly. \n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Regular drop testing of the tank will be carried out, to confirm the tank is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. \n","L"]
[null,"Digester Feed Tank 1,530m3\n\n - Spillage of non hazardous sludge: catastrophic failure of tank, tank overflow, and tank leaks.","Containment\n- Post-tension concrete tank. Constructed in 2008 with an asset life of 60 years.\n- No secondary or tertiary containment. \n- Tank surrounded by grass and gravel. \n-  2D modelling shows that any catastrophic tank failure would not leave the wider WwTW site but come in close proximity of the river Calder, posing risk during flooding or high rainfall.\n - Physical property of sludge is slow flowing suspension and relatively immobile. This limits the risk of sludge flowing to off-site receptors and facilitates clean up if a spill was to happen.\nFailure risk\n- Structural failure – Concrete tank designed and maintained to the Yorkshire Water specifications to contain liquid. The tank was built with a 60-year asset. it has a pressure release valve to prevent damage to the tank walls and roof during tanker unloading operations. Yorkshire Water have never experienced catastrophic failure of these type of tanks. Based on the CIRIA risk criteria and Yorkshire Water’s experience of tank failure the risk of loss of containment due to catastrophic tank failure is considered medium\n- There are potential for minor leakage around pipe flanges, where they enter and exist the tank. Based on the CIRIA risk criteria and Yorkshire Water’s experience of loss of containment due to leaks and spills the tank failure is considered medium\n- Design failures – Covered tank with no risk of overflow, due to high level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached and an overflow via site drains to the WwTW inlet. The tank is designed to the Yorkshire Water specifications. Likelihood of emissions due to Design failures is low\n- Operational failures - The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the STF and all plant items. Likelihood of emissions due to operational failure is low\n- Abuse - All site staff and tanker operators are trained to operate the STF and pumps associated with these tanks. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low \n- Impact - The tank is not close the site roads.  Likelihood of emissions due to impacts is low\n- Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site control by an electronic ID card site entry system. Likelihood of emissions due to vandalism is low\n- Fire, explosion - the airspace inside the tank is vented to an odour control system, so flammable gasses would not build up in the tank. Likelihood of emissions due to fire or explosion is low\n- Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  The tank was designed with geotechnical design input.  Likelihood of emissions due to geological issues is low \n- Ageing - The tank was constructed in 2008 with an asset life of 60 years. The tank has reached 1/5 of its asset life.  Likelihood of emissions due to age is low","M"," - Tanks visually inspected weekly. \n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. ","L"]
[null,"Pipework associated with \nPrimary Sludge Storage tanks, \nSAS tanks and\nDigester Feed tanks \n\n- Leaking / spillage of non hazardous sludge: catastrophic failure and leaks from pipework.\n\n","Containment:","M"," - Pipework visually inspected weekly. \n- Below ground pipework pressure testing annually.\n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Non Destructive Testing is carried out every 5 years on all ancillary assets. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for pipework failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - In the event of loss of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. \n ","L"]
[null,null," - Pipes are of single skin steel construction located both above and below ground.  \n - Pumps are located on impermeable concrete plinths which drain via the site drainage system  to the WwTW inlet works.\n - The pipelines are constructed in good ground conditions and in accordance with geotechnical design advise during construction and the manufacturer's recommendations. \n - The pipelines were installed and tested in accordance with standard water industry specifications and YWS engineering specifications at the time of construction. "]
[null,null,"Failure risk"]
[null,null,"Structural failure  - All Pipes and Pumps were designed and constructed to Yorkshire Water specifications at the time of construction.\n- There are potential for ongoing minor leakage around pipe flanges or joints, however Pipes are regularly tested to identify leaks. Based on the CIRIA risk criteria  and YWS experience of pipe failure the likelihood of emissions from leaks is considered medium\n- There is risk of catastrophic failure of pipe joints and flanges, particularly downstream of the sludge pumps. however, any sudden loss of pressure related to a catastrophic pipe failure would be identified by the site SCADA system resulting All pumping being stopped and an alarm on the site SCADA system, therefore reducing any emissions. likelihood of emissions due to catastrophic pipe failure is considered medium\n- There is potential for minor spills and leaks from pump, both around pipe flanges or during pump maintenance. however, these spills would be contained on the drained plinth. likelihood of emissions is low"]
[null,null,"Design failures - The pipes are designed to the Yorkshire Water specifications, with an asset life of 30 years. However, these pipes provide single containment and are underground. Likelihood of emissions due to Design failures is therefore considered medium"]
[null,null,"Operational failures - The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the STF and all plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff and tanker operators are trained to operate the import tank and pumps as necessary. There is no risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low\nImpact - The above ground pipework and pumps are not close the site roads.  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site controlled by an electronic ID card site entry system. Likelihood of emissions due to vandalism is low"]
[null,null,"Fire, explosion - All pipes and pumps associated with the sludge screen feed tank are contained and hold non flammable liquid. Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  The pipes were designed with geotechnical design input.  Likelihood of emissions due to geological issues is low "]
[null,null,"Ageing - The pipes were constructed at various times, with the oldest installed in 2009 with an asset life of 30 years. They are regularly monitored to check for leakages and material failure. Likelihood of emissions due to age is medium "]
[null,null,"Lightning strike - Pipes are not at risk from lightning strikes. The likelihood of emissions due to lightning strike is low"]
[null,"Digesters - operational \n2 No \n5,114 m3 each\n\n - Spillage of non hazardous sludge: catastrophic failure of tank, tank overflow and tank leaks.","Containment","M"," - TCM checks are conducted regularly, including weekly visual inspection\n -  Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours. \n -  Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Regular drop testing of the tank will be carried out, to confirm the tank is water retaining. \n -  Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n -  The EMS contains procedures for tank failures.\n -  Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n -  In the  event of overflow of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. Catastrophic tank failure modelling shows that catastrophic sludge spills would not reach the water course. \n\n","L"]
[null,null," In situ poured concrete tank. Constructed in 1980 with an asset life of 60 years.\n- No secondary containment. 1/2 of the tank surrounded by impermeable hardstanding with drainage to WwTW. 1/2 of the tank is surrounded by grass.  \n- Old feed and outlets pipes were constructed into the structure of the tanks below ground and remain within the structure. These have been grouted up but not adjacent to the digesters.\n- Physical property of sludge is slow flowing suspension and relatively immobile. This limits the risk of sludge flowing to off-site receptors and facilitates clean if a spill was to happen."]
[null,null,"Failure risk"]
[null,null,"Leaks from over ground pipework - Pipes are pressure tested when installed and regularly checked for leaks once in operation.  Any leaks would be contained by the site drainage. the potential for emission is therefore considered low."]
[null,null,"Design failures - Covered tank with no risk of overflow, due to high level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached and an overflow via site drains to the WwTW inlet. Likelihood of emissions due to Design failures is low "]
[null,null,"Operational failures - The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the SFT and all plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff and tanker operators are trained to operate the STF and pumps associated with these tanks. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low "]
[null,null,"Impact - The tank is not close the site roads.  Likelihood of emissions due to impacts is low"]
[null,null,"Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site control by an electronic ID card site entry system. Likelihood of emissions due to vandalism is low."]
[null,null,"Fire, explosion - The tanks are designed to generate biogas, a mix of methane and carbon dioxide.  Under normal operating conditions, this mix is not flammable.  A DSEAR assessment has been completed and compliant equipment installed in areas where abnormal conditions have potential to create a flammable atmosphere. Likelihood of emissions due to fire or explosion is low."]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site or identified in geotechnical review during recent capital project schemes. Likelihood of emissions due to geological issues is considered to be low  "]
[null,null,"Ageing - The tank was constructed in 1972 with an asset life of 60 years. The tank has reached 80% of it's asset life.  Likelihood of emissions due to age, in particular leakage from underground pipe connection points, is high "]
[null,null,"Lightning strike – The tanks are  protected by a lightning rod, to reduce the likelihood of a lightning strike grounding via the tanks.  Likelihood of emissions due to lightning is low"]
[null,"Pipework associated with digesters\n\n - Spillage of non hazardous sludge: catastrophic failure of pipework and leaks.","Containment:","M"," - Pipework visually inspected weekly. \n - TCM checks are conducted regularly and visually inspected weekly. \n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Non Destructive Testing is carried out every 5 years on all ancillary assets. \n - Regular drop testing of the tank will be carried out, to confirm the tank and associated pipework is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for pipework failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - Underground pipes will be subject to regular drop tests to confirm that there is no leakage, of example from the digested sludge pipe, from the base of the digester. \n\n","L"]
[null,null,"The sludge recirculation and the sludge outlet pipes are stainless steel and above ground are of single skin steel construction located both above and below ground.  \nOld feed and outlets pipes were constructed into the structure of the tanks below ground and remain within the structure. \nPumps are located on impermeable concrete plinths which drain via the site drainage system  to the WwTW inlet works.\nThe pipelines are constructed in good ground conditions and in accordance with geotechnical design advise during construction and the manufacturer's recommendations. \nThe pipelines were installed and tested in accordance with standard water industry specifications and YWS engineering specifications at the time of construction. "]
[null,null,"Failure risk"]
[null,null,"Structural failure - New pipes and pumps are above ground were designed and constructed to Yorkshire Water specifications at the time of construction. These have potential for minor leakage around pipe flanges or joints, however they are over hardstanding with contained drainage and pipes are regularly tested to identify leaks, Based on the CIRIA risk criteria the and YWS experience of pipe failure the likelihood of emissions is considered low.\n- Old feed and drainage pipes constructed into the base of the digester has the potential for leak around joints. Due to age and unknown structure or condition likelihood of emissions is considered medium.\n- There is risk of catastrophic failure of pipe joins and flanges associated with the sludge pumps. However any sudden loss of pressure related to a catastrophic pipe failure would be identified by the site SCADA system resulting all pumping being stopped and an alarm on the site SCADA system, therefore reducing any emissions. Likelihood of emissions due to catastrophic pipe failure is considered medium.\n- There is potential for minor spills and leaks from pump, both around pipe flanges or during pump maintenance. However, these spills would be contained on the drained plinth. Likelihood of emissions is low."]
[null,null,"Design failures - The new above ground pipes are designed to the Yorkshire Water specifications, with an asset life of 30 years and are over hardstanding with contained drainage. The likelihood of emissions due to Design failures is therefore considered low. \n The design specification of the old underground pipes is unknown and therefore the likelihood of emissions due to failures is considered high. "]
[null,null,"Operational failures - The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of the SFT and all plant items. Likelihood of emissions due to operational failure is low."]
[null,null,"Abuse - All site staff and tanker operators are trained to operate the import tank and pumps as necessary. there is no risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low."]
[null,null,"Impact - The above ground pipework and pumps are not close the site roads.  Likelihood of emissions due to impacts low."]
[null,null,"Vandalism, etc. - The STF and WwTW are within a fenced and gated site, with access to the site control by an electronic ID card site entry system. Likelihood of emissions due to vandalism is low."]
[null,null,"Fire, explosion - All sludge pipes and pumps associated with the digesters are contained and hold non flammable liquid and the biogas pipelines are designed and pressurised to the appropriate standards. Likelihood of emissions due to fire or explosion is low."]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site or identified in geotechnical review during recent capital project schemes. Likelihood of emissions due to geological issues is considered to be low  "]
[null,null,"Ageing - The pipes were constructed at various times, with the oldest installed underground as part of the original digester construction. The  condition of underground pipes is unknown and the likelihood of emissions is therefore considered as high. "]
[null,null,"Lightning strike - Pipes are not at risk from lightning strikes. The likelihood of emissions due to lightning strike is low"]
[null,"Digested sludge balance tank\n\n1 No\n334 m3 concrete tank","Containment:","M"," - Tank is visually inspected weekly. \n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Regular drop testing of the tank will be carried out, to confirm the tank is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. ","L"]
[null,null,"Tank is of concrete construction, constructed in 1970 and is 48 years old.\nThe tank structure is partially below ground. Old feed and outlets pipes were constructed into the structure of the tanks below ground and remain within the structure. \nTank is surrounded by impermeable concrete at ground level, with drainage to the WwTW\nHigh level switch and alarms from high level transmitter are linked to site SCADA control program with high level interlock on the tanks to prevent overfilling.\n"]
[null,null,"Failure risk:"]
[null,null,"Structural failures - Catastrophic containment failure - The tank is of concrete construction and Yorkshire Water have never experienced catastrophic failure if these types of tanks.  Based on the CIRIA risk criteria the potential for loss of containment is considered medium"]
[null,null,"There is potential for minor leakage around pipe flanges, where they enter and exit the tank, and may spill on to impermeable concrete with drainage; these would be minimal. Emission due to overflow or leaks is therefore considered low."]
[null,null,"Design failure - Tank overflow or leaks - Due to level monitors and the interlock on feed pumps. The risk of overflow is low. "]
[null,null,"Operational failures - Shortcomings or failure in operational control system: the site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff are trained to operate the plant items. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low"]
[null,null,"Impact - The tank is protected by walling and fencing, safe from vehicular impact.  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - the STF and WwTW are within a fenced and gated site, with access to the site control by security.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - There is no risk of flammable atmosphere formation in this area.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site. The dewatering feed tanks were designed with geotechnical design input. Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The tank was constructed in 1972 with an asset life of 60 years for the tank.  Tank condition is assessed in line with YW condition monitoring requirements.  Likelihood of emissions due to age is medium"]
[null,null,"Lightning strike - The  tank has earthing and lightning protection and so will not be impacted by lightning strike. Likelihood of emissions due to lightning is low"]
[null,"Pipework associated with the digested sludge balance tank\n\n - Spillage of non hazardous sludge: catastrophic failure and leaks from pipework.","Containment: \n  - All associated pipelines and valves are made from steel\n  - Tank pipework (inlet and outlet) are below ground and single-skinned.\n  - The tanks are situated over impermeable surfacing and surrounded by grassed area.\n  - Isolation valves are present at each end of pipe sections. This allows the isolation of leaking or failed pipe sections and limits the volume released.","M"," - Pipework visually inspected weekly. \n - TCM checks are conducted regularly and visually inspected weekly. \n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Non Destructive Testing is carried out every 5 years on all ancillary assets. \n - Regular Water industry standard drop test of the tank will be carried out, to confirm the tank and associated pipework is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for pipework failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n","L"]
[null,null,"Failure risk:"]
[null,null,"Leaks from over ground pipework - Pipes are pressure tested when installed and regularly checked for leaks once in operation.  Any leaks would be contained by the site drainage. the potential for emission is therefore considered low."]
[null,null," Leaks from underground pipework would be emitted to ground. The pipes are single-skinned and set in the concrete base of the tanks.  This is designed and maintained to the Yorkshire Water specifications. The risk of emission due to leaks is therefore considered to be medium. "]
[null,null,"Catastrophic failure of pipe joins and flanges, particularly downstream of the pumps - Any sudden loss of pressure related to a catastrophic pipe failure would be identified by the site SCADA system resulting all pumping being stopped and an alarm on the site SCADA system, therefore reducing any emissions. Likelihood of emissions due to catastrophic pipe failure is considered medium. "]
[null,null,"Shortcomings or failure in operational control system: The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of plant items. Likelihood of emission of sludge due to operational failure is considered low."]
[null,null,"Abuse - All site staff and tanker operators are trained to operate the tank. No risk of overflow, due to level monitors and the interlock on feed pumps and transfer pumps. Likelihood of emissions due to abuse is low "]
[null,null,"Impact -  The pipework  is protected by walling and fencing between the tank and site access road.  Likelihood of emissions due to impacts is low"]
[null,null,"Vandalism, etc. - the pipework is within the fenced and gated site, monitored via security surveillance.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - Any likelihood of flammable atmosphere is eliminated as part of the process. The tank is located within the digester compound. Likelihood of emissions due to fire or explosion is low. "]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  the tank was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The pipes were constructed at various times, with the oldest installed underground as part of the original digester construction. The  condition of underground pipes is unknown and the likelihood of emissions is therefore considered as high. "]
[null,null,"Lightning strike - the pipework is low relative to other structures within the area therefore unlikely to be struck by lightning.  Likelihood of emissions due to Lightning is low"]
[null,"Dewatering Feed Tanks\n\n2 No\n1,885 m3 concrete tanks\n\n- Spillage of non hazardous sludge: catastrophic failure of tank, tank overflow and tank leaks.","Containment:","M"," - Tanks visually inspected weekly. \n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Regular drop testing of the tank will be carried out, to confirm the tank is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. ","L"]
[null,null," - Above ground open top tank of concrete construction and 12 years old. Asset life of 60 years.\n - Tanks are surrounded by grass and not within a bunded area\n - High level switch and alarms from high level transmitter are linked to site SCADA control program with high level interlock on the tanks to prevent overfilling.\n"]
[null,null,"Failure risk:"]
[null,null,"Catastrophic containment failure - The tank is  of  Concrete construction and Yorkshire Water have never experienced catastrophic failure if these types of tanks.  Based on the CIRIA risk criteria the potential for loss of containment is considered medium"]
[null,null,"Tank overflow or leaks - Due to level monitors and the interlock on feed pumps. The risk of overflow is low. "]
[null,null,"There is potential for minor leakage around pipe flanges, where they enter and exit the tank, and may spill on to permeable soil; however these would be minimal. Emission due to overflow or leaks is therefore considered medium."]
[null,null,"Shortcomings or failure in operational control system: the site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff are trained to operate the plant items. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low"]
[null,null,"Impact -  The tanks are sited away from access road, safe from vehicular impact.  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - the STF and WwTW are within a fenced and gated site, with access to the site control by security.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - The tank is open topped so flammable gas will not build up within the tank. There is no risk of flammable atmosphere formation in this area.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site. The dewatering feed tanks were designed with geotechnical design input. Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The tanks were constructed in 2008 with an asset life of 60 years for the tank. Likelihood of emissions due to age is low"]
[null,"Pipework associated with the Dewatering Feed Tanks\n\n - Spillage of non hazardous sludge: catastrophic failure and leaks from pipework.","Containment: \n- All associated pipelines and valves are made from steel\n- Dewatering pipework (inlet and outlet) are below ground and single-skinned.\n- The tanks are situated over impermeable surfacing and surrounded by grassed area.\n- Isolation valves are present at each end of pipe sections. This allows the isolation of leaking or failed pipe sections and limits the volume released.","M"," - Pipework visually inspected weekly. \n - Pipework is lagged to prevent freezing\n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Non Destructive Testing is carried out every 5 years on all ancillary assets. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for pipework failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - Potential for leaking from the pipework will be tested using a Water industry standard drop test, to monitor for the risk of containment failure so this can be mitigated. ","L"]
[null,null,"Failure risk:"]
[null,null,"Leaks from over ground pipework - Pipes are pressure tested when installed and regularly checked for leaks once in operation.  Any leaks would be contained by the site drainage. the potential for emission is therefore considered low."]
[null,null," Leaks from underground pipework would be emitted to ground. The pipes are single-skinned and set in the concrete base of the tanks.  This is designed and maintained to the Yorkshire Water specifications. The risk of emission due to leaks is therefore considered to be medium. "]
[null,null,"Catastrophic failure of pipe joins and flanges, particularly downstream of the pumps - Any sudden loss of pressure related to a catastrophic pipe failure would be identified by the site SCADA system resulting all pumping being stopped and an alarm on the site SCADA system, therefore reducing any emissions. Likelihood of emissions due to catastrophic pipe failure is considered medium. "]
[null,null,"Shortcomings or failure in operational control system: The site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of plant items. Likelihood of emission of sludge due to operational failure is considered low."]
[null,null,"Abuse - All site staff and tanker operators are trained to operate the dewatering feed tank. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low "]
[null,null,"Impact -  The pipework  is on a raised platform adjacent to the access road.  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - the pipework is within the fenced and gated site, monitored via security surveillance.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - the pipework is not routed along areas of potential flammable atmosphere. Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site.  the tank was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The pipework was installed in 2008 with an asset life of 30 years. They are regularly monitored to check for leakages and material failure. Likelihood of emissions due to age is low"]
[null,null,"Lightning strike - the pipework is low relative to other structures within the area therefore unlikely to be struck by lightning.  Likelihood of emissions due to Lightning is low"]
[null,"Dewatering Powder and Liquid Polymer Plant\n\nEmission of polymer (powder and make-up) from tank\nLeaching of polymer to groundwater","Containment:","L","N/A","L"]
[null,null," - Polyelectrolyte is used to treat the sludge prior to dewatering.  \n - Polyelectrolyte will be stored in steel silos and bunded as per YW asset standards.  \n - Spillage of polymer powder/liquid will be contained within the polymer handling area and it will not spread further.  "]
[null,null,"Failure risk:"]
[null,null,"Catastrophic containment failure - Powder polymer is stored in big-bag and emptied into the make-up system, which is within its asset life, where it is diluted. The make-up tank is relatively low volume. The potential is therefore considered low."]
[null,null,"Tank overflow or leaks - Due to level monitors and the interlock on feed pumps. The risk of overflow is low. "]
[null,null,"There is potential for minor leakage around pipe flanges, where they enter and exit the tank, however these would be minimal and contained by the impermeable surfacing and drainage. Emission due to overflow or leaks is therefore considered low."]
[null,null,"Shortcomings or failure in operational control system: the site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff are trained to operate the plant items. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low"]
[null,null,"Impact -  The polymer plant is located inside a building, safe from impact .  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - the STF and WwTW are within a fenced and gated site, with access to the site control by security.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - There is no risk of flammable atmosphere formation in this area.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site. The polymer plant building was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The polymer plant was installed in 2008 with an asset life of 30 years for the tank. Likelihood of emissions due to age is low"]
[null,null,"Lightning strike - The polymer bags and make-up tank are stored inside the centrifuge building and will not be impacted by lightning strike. Likelihood of emissions due to lightning is low"]
[null,"Thickening Liquid Polymer Plant\n\nEmission of polymer (liquid and make-up) from tank\nLeaching of polymer to groundwater","Containment:","L","N/A","L"]
[null,null," - Polyelectrolyte is used to treat the sludge prior to thickening.  \n - Liquid polyelectrolyte is delivered to site and loaded into a bulk storage tank and bunded as per YW asset standards.  \n - Spillage of polymer liquid will be contained within the polymer handling area and it will not spread further.  "]
[null,null,"Failure risk:"]
[null,null,"Catastrophic containment failure - Polymer is stored in a bulk storage tank and pumped into the make-up system, which is within its asset life, where it is diluted. The make-up tank is relatively low volume. The potential is therefore considered low."]
[null,null,"Tank overflow or leaks - Due to level monitors and the interlock on feed pumps. The risk of overflow is low. "]
[null,null,"There is potential for minor leakage around pipe flanges, where they enter and exit the tank, however these would be minimal and contained by the impermeable surfacing and drainage. Emission due to overflow or leaks is therefore considered low."]
[null,null,"Shortcomings or failure in operational control system: the site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff are trained to operate the plant items. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low"]
[null,null,"Impact -  The polymer plant is located inside a building, safe from impact .  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - the STF and WwTW are within a fenced and gated site, with access to the site control by security.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - There is low risk of flammable atmosphere formation in this area.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site. The polymer plant building was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The polymer plant was installed in 2008  with an asset life of 30 years for the tank. Likelihood of emissions due to age is low"]
[null,null,"Lightning strike - The polymer bulk tank and make-up tank are stored inside the thickener building and will not be impacted by lightning strike. Likelihood of emissions due to lightning is low"]
[null,"Centrifuge centrate tank\n\n1 No\n279 m3\n\n- Spillage of non hazardous sludge centrate: catastrophic failure of tank, tank overflow and tank leaks.","Containment:","L"," - Tanks visually inspected weekly. \n - TCM checks are conducted regularly\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Regular drop testing of the tank will be carried out, to confirm the tank is water retaining. \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. \n ","L"]
[null,null,"- The tank is below ground and of concrete construction with an asset life of 60 years; constructed in 2008.\n"]
[null,null,"Failure risk:"]
[null,null,"Catastrophic containment failure - The tank is  of concrete construction and Yorkshire Water have never experienced catastrophic failure if these types of tanks.  Based on the CIRIA risk criteria the potential for loss of containment is considered medium"]
[null,null,"Tank overflow or leaks - Due to level monitors and the interlock on feed pumps. The risk of overflow is low. "]
[null,null,"There is potential for minor leakage around pipe flanges, where they enter and exit the tank, however these would be minimal and contained by the impermeable surfacing and drainage. Emission due to overflow or leaks is therefore considered low."]
[null,null,"Shortcomings or failure in operational control system: the site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - All site staff  are trained to operate the plant items. No risk of overflow, due to level monitors and the interlock on feed pumps. Likelihood of emissions due to abuse is low"]
[null,null,"Impact -  The centrate storage tank is a below ground structure and therefore not vulnerable to vehicular impact.  Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - the STF and WwTW are within a fenced and gated site, with access to the site control by security.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - There is negligible risk of flammable atmosphere formation in this area.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site. The centrate tank was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The centrate balance tank was installed in 2008 with an asset life of 60 years for the tank. Likelihood of emissions due to age is low"]
[null,null,"Lightning strike - The centrate balance tank is constructed below ground and is unlikely to be impacted by lightning strike. Likelihood of emissions due to lightning is low"]
[null,"Sludge Conditioning Pads\n\nEmission of sludge solids from the conditioning pads\nLeaching of liquors to groundwater","Containment:","M"," - Area visually inspected weekly. \n - TCM checks are conducted regularly(Does this apply here?)\n - Site manned 7am-7pm Monday to Friday with visits on weekends for a couple of hours.\n - Assets are subject to non destructive testing (NDT).  The schedule for this is determined by the age of the asset and the findings of previous asset \n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n - The EMS contains procedures for tank failures.\n - Minor to moderate spills will be cleaned up before there has been sufficient time for infiltration into the ground. \n - All link seals are appropriately treated and grouted.  \n - In the  event of overflow of contaminants it is possible that sludge could flow across paved areas to grassed /stones areas. If this occurs then YW will react with an emergency spill response and clean up the area that has been contaminated. ","L"]
[null,null,"Dewatered digested sludge cake is stored in windrows, on two conditioning pads, which provide an impermeable concrete surface storage area.\nA site excavator is used to load sludge cake into the haulage vehicles, which can result in sludge cake being tracked out of the area. \nThe site roads around the dewatering barn and the conditioning pads are impermeable and drain to the inlet pumping station which would return any sludge washed from the road for treatment.\n"]
[null,null,"Failure risk:"]
[null,null,"Catastrophic containment failure - The sludge cake is dewatered but susceptible to rewetting from rainfall. The risk of emission to ground is therefore considered to be medium. "]
[null,null,"Spreading of sludge cake from the storage barn - Limited sludge would be tracked onto site roads and would be contained by the site drainage system The risk of emissions is therefore low. "]
[null,null,"Shortcomings or failure in operational control system: the site is maintained inline with a proactive maintenance schedule and the EMS to ensure ongoing operation of all plant items. Operators are trained in the running of plant items. Likelihood of emissions due to operational failure is low"]
[null,null,"Abuse - all site staff and relevant tanker operators are trained to follow standard operating procedures. Sludge cake is generally immobile. Likelihood of emissions due to abuse is low"]
[null,null,"Impact -  The sludge cake is generally immobile and therefore any impact will not result in loss of containment. Likelihood of emissions due to impacts low"]
[null,null,"Vandalism, etc. - the STF and WwTW are within a fenced and gated site, with access to the site control by security.  Likelihood of emissions due to Vandalism is low"]
[null,null,"Fire, explosion - The barn is well ventilated and no risk of flammable atmosphere forming.  Likelihood of emissions due to fire or explosion is low"]
[null,null,"Geological factors - There has been no evidence of wider geotechnical issues during the time the WwTW has been operational on the site. The slab was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"Ageing - The slab area was constructed in xx with an asset life of xx years.   Likelihood of emissions due to age is low"]
[null,null,"Lightning strike - Sludge cake is a generally immobile substance. Any impact from a lightning strike, which is not considered likely to occur in this area, will not result in loss of containment. Likelihood of emissions due to lightning is low"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,"Risk","Examples of mitigation options","Reduction in likelihood","Detail of measures"]
[null,1,"Operational Failures"]
[null,null,"The team will carry out periodic design reviews and a comprehensive HAZOP involving all the designers (process, civil, drainage, electrical) to ensure primary containment failure risk is very low. In addition operator training will be strengthened with detailed standard operating procedures.",-2,"(Taken from consultant's HAZOP report, for example)"]
[null,null,"Maintenance programme in place",-1]
[null,null,"Audit process in place",-1]
[]
[null,2,"Shortfalls in design"]
[null,null,"Plant control will be assessed at the HAZOP stage",-2]
[null,null,"No outlets below normal liquid level",-1]
[]
[null,3,"Structural failure – materials, components, detailing, corrosion or when exposed to heat and flame"]
[null,null,"Pre-cast concrete tank",-2]
[null,null,"Tank design has no history of failure",-1]
[null,null,"Tank failure risk assessment completed?",-1]
[null,null,"Steel valves",-1]
[null,null,"Structures will be built to British Standards with contractors that work under ISO9000",-1]
[]
[null,4,"Abuse – inappropriate change of use or other misuse"]
[null,null,"Change control procedure in place with sign off from competent personnel in applicable disciplines",-2]
[]
[null,5,"Vehicle impact"]
[null,null,"Armco crash barriers around tank",-2]
[null,null,"Tanks in bund not accessible by vehicles",-2]
[null,null,"Restricted vehicular access to site",-1]
[]
[null,6,"Vandalism, terrorism, force majeure etc"]
[null,null,"lockable valves on outlets (that are locked when not in use by procedure)",-1]
[null,null,"automatic and manual shut off valves",-1]
[null,null,"The site will include fencing where access is open to public",-1]
[null,null,"Passive CCTV system",-1]
[null,null,"Monitored CCTV with motion detection and warning signs",-2]
[]
[null,7,"Fire or explosion"]
[null,null,"DSEAR assessment completed",-2]
[null,null,"Control of ignition sources on site",-1]
[]
[null,8,"Geological factors -subsidence etc"]
[null,null,"Site investigations will be provided to the civil contractor for the design of the foundations",-1]
[]
[null,9,"Ageing or deteriorating assets/sub-components."]
[null,null,"Ageing/deterioration factored into plant design",-1]
[]
[null,10,"Lightning strike"]
[null,null,"Catenary or multiple lightning conductors supplied by specialists",-1]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,{"$f":"E357*F357","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E421*F421","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E485*F485","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E549*F549","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E613*F613","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E677*F677","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E741*F741","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E805*F805","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E869*F869","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E933*F933","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E997*F997","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E1061*F1061","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E1125*F1125","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E1189*F1189","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E1253*F1253","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E1317*F1317","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E1381*F1381","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,{"$f":"E1445*F1445","v":0}]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]
[null,null,null,null,null,null,0]

{"sheet":"4) Site Risk and Classification","index":8,"n_rows":98,"n_cols":5,"rows_kept":98,"cut":false,"hidden":false,"merged":[]}
[]
[]
[]
[]
["Activity","Site Hazard Rating","Likelihood","Overall Site Risk Rating","Indicated Class of Secondary Containment Required"]
["Site - overall summary score",{"$f":"'2) Site Hazard Rating'!E6","v":"High"},"Low",{"$f":"IF(D98<3,\"Low\",IF(D98<5,\"Medium\",\"High\"))","v":"Medium"},{"$f":"IF(D6=\"Low\",\"Class 1\",IF(D6=\"Medium\", \"Class 2\",\"Class 3\"))","v":"Class 2"}]
["Sludge Screen Feed Tank","High","Low","Medium","Class 2"]
["Pipework and pumps associated with sludge screen feed tank","High","Low","Medium","Class 2"]
["Primary Storage Tanks","High","Low","Medium","Class 2"]
["Surplus Activated Sludge (SAS) tanks","High","Low","Medium","Class 2"]
["Digester Feed Blending Tank","High","Low","Medium","Class 2"]
["Pipework associated with \nPrimary Sludge Storage tanks, SAS tanks and Digester Feed tanks ","High","Low","Medium","Class 2"]
["Digesters","High","Low","Medium","Class 2"]
["Pipework associated with digesters","High","Low","Medium","Class 2"]
["Digested sludge balance tank","High","Low","Medium","Class 2"]
["Pipework associated with the digested sludge balance tank","High","Low","Medium","Class 2"]
["Dewatering Feed Tanks","High","Low","Medium","Class 2"]
["Pipework associated with the Dewatering Feed Tanks","High","Low","Medium","Class 2"]
["Dewatering Powder Polymer Plant","High","Low","Medium","Class 2"]
["Thickening Liquid Polymer Plant","High","Low","Medium","Class 2"]
["Centrifuge Centrate Tank","High","Low","Medium","Class 2"]
["Sludge Conditioning Pads","High","Low","Medium","Class 2"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["Rating lookup table"]
["Low",1]
["Medium",2]
["High",3]
[]
["This assessment score"]
[{"$f":"VLOOKUP(B6,A93:B95,2,FALSE)","v":3},{"$f":"VLOOKUP(C6,A93:B95,2,FALSE)","v":1},null,{"$f":"A98*B98","v":3}]

{"sheet":"5) Standard Containment Designs","index":9,"n_rows":129,"n_cols":8,"rows_kept":129,"cut":false,"hidden":false,"merged":[]}
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,null,{"$f":"IF('4) Site Risk and Classification'!$E$6=\"Class 1\", \"Your site needs a design based on this diagram\",\"\")","v":""}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,null,{"$f":"IF('4) Site Risk and Classification'!$E$6=\"Class 2\", \"Your site needs a design based on this diagram\",\"\")","v":"Your site needs a design based on this diagram"}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,null,{"$f":"IF('4) Site Risk and Classification'!$E$6=\"Class 3\", \"Your site needs a design based on this diagram\",\"\")","v":""}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,"# ","Material ","When used ","How ","Why "]
[]
[]
[null,"A ","Clay ","If plentiful on site ","1m thick, sheepsfoot roller etc. ","Low cost & effective. "]
[]
[]
[null,"B ","Stabilised soil ","If soil tested and is suitable ","Sample and test to determine amount of lime, cement and depth. ","Low cost & effective when no clay on site. "]
[]
[]
[null,"C ","Bentonite matting ","If A or B not suitable ","Prepare sub, roll out and cover. ","Moderate cost. Quick & easy to lay. Tolerant of damage. "]
[]
[]
[null,"D ","Landfill liner type foil ","If A, B or C not suitable ","Prepare sub, roll out, weld and cover. "]
[]
[]
[null,"E ","Concrete ","Small areas only ","Shutter, place mesh and pour fibre reinforced.","Only if A, B, C or D not suitable. "]

{"sheet":"Sheet1","index":10,"n_rows":46,"n_cols":13,"rows_kept":46,"cut":false,"hidden":true,"merged":[]}
[]
[]
[null,null,1,null,2,null,3,null,4,null,5,null,6]
[null,null,"Ag Man",null,"Ag Man & PGC",null,"Ag Man & FW",null,"PGC & FW",null,"FW",null,"Indus & commercial inc green waste"]
[null,"Approx size typical plant +/- 50 %","150 kW",null,"500 kW",null,"1 MW",null,"1 MW",null,"1.5 MW",null,"> 2MW"]
[1,"Source"]
[null,"Farm yard manure","L"]
[null,"Slurry","L"]
[null,"Energy Crops","L"]
[null,"Energy Crop silage","M"]
[null,"Energy crop silage effluent","H"]
[null,"Food waste","-"]
[null,"Green waste","-"]
[]
[null,"Digestate","L",null,"L",null,"M",null,"M",null,"H"]
[null,"Based on vol and aquatic pollutant results"]
[]
[null,"Separated digestate solids","L"]
[null,"Separated digestate liquid","L"]
[]
[null,"Rainwater or surface water runoff contaminated by inventory","L"]
[]
[null,"Fire Fighting Agents harmful in their own right or contaminated by inventory","N/A"]
[]
[null,"Fire fighting and cooling water contaminated by inventory","N/A"]
[]
[2,"Pathway"]
[null,"Site layout and drainage"]
[]
[null,"Topography, geology and hydrology"]
[]
[null,"Climatic conditions"]
[]
[3,"Receptors"]
[null,"Groundwater","See groundwater sheet (similar to amaya's inventory sheet)"]
[]
[null,"Surface water"]
[]
[null,"Local Water Quality"]
[]
[null,"Protected areas"]
[]
[null,"Overall site hazard rating"]
[]
[]
[4,"Liklihood"]

{"sheet":"Risk Scoring","index":11,"n_rows":17,"n_cols":20,"rows_kept":17,"cut":false,"hidden":true,"merged":[[1,17,4,17],[7,11,7,14]]}
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Risk Rating"]
[null,"Rating",null,"Likelihood",null,null,"Consequence","incident level",null,null,null,{"$f":"L6*$P$2","v":4},{"$f":"M6*$P$2","v":8},{"$f":"N6*$P$2","v":12},{"$f":"O6*$P$2","v":16},4,"H","Consequence",null,"High"]
[null,"Very low",null,1,"up to 10%",null,1,"Category 4",null,null,null,{"$f":"L6*$P$3","v":3},{"$f":"M6*$P$3","v":6},{"$f":"N6*$P$3","v":9},{"$f":"O6*$P$3","v":12},3,"M",null,null,"Medium High"]
[null,"Low",null,2,"up to 20%",null,2,"Category 3",null,null,null,{"$f":"L6*$P$4","v":2},{"$f":"M6*$P$4","v":4},{"$f":"N6*$P$4","v":6},{"$f":"O6*$P$4","v":8},2,"L",null,null,"Medium Low"]
[null,"Medium",null,3,"up to 50%",null,3,"Category 2",null,null,null,{"$f":"L6*$P$5","v":1},{"$f":"M6*$P$5","v":2},{"$f":"N6*$P$5","v":3},{"$f":"O6*$P$5","v":4},1,"VL",null,null,"Low"]
[null,"High",null,4,"up to 70%",null,4,"Category 1",null,null,null,1,2,3,4]
[null,null,null,null,null,null,null,null,null,null,null,"VL","L","M","H"]
[null,null,null,null,null,null,null,null,null,null,null,"Likelihood"]
[]
[]
[null,"Category 1 – major, serious, persistent and/or extensive impact or effect"]
[null,"on the environment, people and/or property "]
[null,"Category 2 – significant impact or effect on the environment, people"]
[null,"and/or property "]
[null,"Category 3 – minor or minimal impact or effect on the environment, people"]
[null,"and/or property "]
[null,"Category 4 – substantiated incident with no impact."]