{"text_format":"1","workbook":"xlsx","n_sheets":13,"sheets":["Cover","Notes","Introduction","1) a) Source","1) b) Pathway","1) c) Receptors","2) Site Hazard Rating","3) Likelihood","Sheet2","4) Site Risk and Classification","5) Standard Containment Designs","Sheet1","Risk Scoring"],"not_rendered":{"charts":0,"images":21,"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":55,"n_cols":6,"rows_kept":55,"cut":false,"hidden":false,"merged":[]}
[]
[]
[]
[]
[null,"JOB TITLE",null,null,null,"Yorkshire Water IED Permit"]
[]
[null,"JOB NUMBER",null,null,null,273231]
[]
[null,"MADE BY"]
[]
[null,"CHECKED BY"]
[]
[null,"DATE",null,null,null,"2020-10-23"]
[]
[null,"Description of spreadsheet",null,null,null,"This spreadsheet provides a secondary containment risk assessment for Woodhouse Mill 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 Woodhouse Mill STF is provided in the worksheet 1a) Source "]
[null,"1 b) Pathway",null,"The Pathway information for Woodhouse Mill STF is provided in the worksheet 1) b) Pathway "]
[null,"1 c) Receptors",null,"The Receptor information for Woodhouse Mill 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 "]
[]
[null,null,null,null,"Checked "]
[]
[null,null,null,null,"Approved"]
[]
[null,"REVISIONS",null,null,"Current Revision "]
[]
[null,"Rev.","Date","Made by","Checked"," Description"]

{"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 Woodhouse Mill 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 occurring 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 inadvertent damage to the tool.  To remove the protection, the password is CIRIA736"]

{"sheet":"1) a) Source","index":3,"n_rows":51,"n_cols":15,"rows_kept":51,"cut":false,"hidden":false,"merged":[[27,1,27,3],[3,12,3,14],[5,12,7,12]]}
[]
[]
[]
[null,"Material","Material","Total Enclosed Quantity","units","Storage","Flammability","Corrosive","Ecotoxicity (based on LD and quantity)","Environmental hazard rating ","Justification",null,"Risk quantification"]
[null,"Feedstock",null,null,null,null,null,null,null,null,null,null,"Material","Volume (m3)","Environmental Hazard Rating"]
[null,"Indigenous sludge","Liquid",2854,"m3","Two Thickener Feed Tanks (7 yrs old) and Associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant.",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,null,"Feedstock Overall Rating","H",null,null,null,"1000+","High"]
[null,"Process"]
[null,"Thickened Sludge","Liquid",804,"m3","Two Digester Feed Tanks (Tank A 30 years old and Tank B 20 yrs old) and Associated Pipework","Not flammable","No","Low","M","Permitted waste types are non-hazardous however the volume is below 1,000m3."]
[null,"Digesting Sludge","Liquid",3644,"m3","Two Digesters (7yrs old) and Associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant."]
[null,"Digested Sludge","Liquid",1712,"m3","Three Dewatering Feed Tanks (Tank A 24 yrs old, Tank B and C 7 yrs old) and associated Pipework","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant."]
[null,"Digested Cake","Solid",7500,"m3","Cake Pad ","Not flammable","No","Low","M","Largely immobile therefore presents only a medium risk."]
[null,"Raw Sludge","Liquid",1854,"m3","2 thickener feed tanks at 1,427m3 each","Not flammable","No","Low","H","Permitted waste types are non-hazardous however the volume is significant."]
[]
[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","Stored in tanks and bunded as per YW asset standards","Not flammable","No",null,"L"]
[null,"Powder polyelectrolyte – dewatering plant","Solid",4.7,"m3","Stored in tanks and bunded as per YW asset standards","Not flammable","No",null,"L","Low ecotoxicity for the quantities stored"]
[null,"Ferric Chloride","Liquid",1.5,"m3","Stored in GRP tank within concreted area bunded as per YW asset standards","Not flammable","No",null,"L","Low ecotoxicity for the quantities stored. Low in the example in the ADBA Tool."]
[null,"Anti-freeze (ethylene glycol or similar","Liquid",40,"L","Stored over mobile bund as per YW asset standards","Not flammable","No",null,"L"]
[null,"Anti - Foam","Liquid",0.128,"m3","Mounted within anti-foam dosing unit","Not flammable","No",null,"L"]
[null,"Lubricating Oil","Liquid",1,"m3","Stored securely and bunded as per YW EMS procedures","Flammable","Yes",null,"H","Oil has a high rating however there are only very small volumes, used for machine maintenance, etc. and this is handled and stored appropriately. "]
[null,"Odour Control Scrubber Unit (Biological Filter Media)","Solid",32.86,"m3","Stored in scrubbing column and bunded as per YW asset standards","Not flammable","No",null,"L","Media is inert and largely immobile"]
[null,"Odour Control Scrubber Unit (Carbon Media)","Solid",6.89,"m3","Stored in scrubbing column and bunded as per YW asset standards","Not flammable","No",null,"L","Media is inert and largely immobile"]
[]
[null,null,null,null,null,null,null,null,"Chemicals Overall Rating","L","The overall source assessment for additives and site chemicals is  considered to be low, because only very small volumes of oils kept of site 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 example in the ADBA Tool."]
[null,"Fire fighting and cooling water contaminated by inventory",null,null,null,null,"Not flammable","No","Low","L","Low in the example in the ADBA Tool."]
[]
[]
[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(J6=\"H\",J13=\"H\",J27=\"H\",J33=\"H\"),\"H\",IF(OR(#REF!=\"M\",J13=\"M\",J27=\"M\",J33=\"M\"),\"M\",\"L\"))","v":"H"}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["H"]
["M"]
["L"]

{"sheet":"1) b) Pathway","index":4,"n_rows":99,"n_cols":19,"rows_kept":99,"cut":false,"hidden":false,"merged":[]}
[]
[null,null,null,null,null,null,null,null,null,null,null,"Postcode","S13 9WD"]
[]
[null,"Pathway - the route from primary containment to receptor",null,null,null,null,null,null,null,"Environmental hazard rating ","Notes","Source","Description","Link","Source","Description","Source","Description","Link"]
[null,"Site layout and drainage"]
[null,"If any of the site inventory has a runoff time of a few minutes…",null,null,null,null,null,null,null,null,"N/A  - Run-off time is an estimate of how long it would take to flow to the nearest receptor."]
[null,"If any of the site inventory has a runoff time of a few hours.…",null,null,null,null,null,null,null,null,"N/A  - Run-off time is an estimate of how long it would take to flow to the nearest receptor."]
[null,"If any of the site inventory has a runoff time of a few days…",null,null,null,null,null,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 Woodhouse Mill STF that identifies sludge would only leave the site via surface drainage 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."]
[null,"If any of the site inventory has a runoff time of a few weeks…"]
[]
[]
[null,"Topography, geology and hydrology"]
[null,"River Rother",null,null,null,null,null,null,null,"H","The River Rother, which runs adjacent to Woodhouse Mill STF is situated within the 'Rother, Doe Lea to Don' waterbody, part of the 'Rother and Doe Lea' operational catchment. This waterbody has an overall WFD classification of 'Moderate', with an ecological status of 'Moderate' and  a chemical status of 'Good'.  \n\nThe River Rother will transport any contaminants that enter the river through surface water runoff, groundwater flow and other potential receptors downstream. There is potential for contaminants to be transported downstream to other waterbodies. \n\nA high risk has been selected as the 2D modelling for Woodhouse Mill STF identifies sludge has the potential to flow to the river via surface drainage surrounding the FST's and PST's during a multi-tank catastrophic failure event. ","ETM / Soil Mechanics (2012) Woodhouse Mill WwTW Digester Refurbishment","The site is located immediately adjacent to the east bank of River Rother. Flow is south to north.  \n\nMitigation Measures Assessment,  Fish, Invertebrates and Phosphate are reasons for the waterbody failing to meet 'Good' ecological status. ","\\\\global\\europe\\Leeds\\Jobs\\270000\\273231-00\\0 Arup\\0-16 Process\\0-12-11 General Information\\Woodhouse Mill\\Ground Condition Survey\\ ","Environment Agency Catchment Data explorer\n\nhttps://environment.data.gov.uk/catchment-planning/WaterBody/GB104027057772","Classified as moderate ecological status and good chemical status for 2016 "]
[null,"Made Ground ",null,null,null,null,null,null,null,"M","As made ground overlies the site, any recharge will percolate through the granular sections of made ground material before reaching the clay of the alluvial deposits. Here it is likely to become perched atop the clay, and may move horizontally towards the River Rother, transporting any contaminants. Therefore a Medium Environmental Hazard Rating has been selected.","ETM / Soil Mechanics (2012) Woodhouse Mill WwTW Digester Refurbishment; Soil Mechanics Report No A311 Factual report on ground investigation - October 2003; ETM Geotechnical Assessment Report September 2003","-The made ground is variable ranging from gravel to clay, with no groundwater encountered within the made ground. The made ground ranges from 0.45-1.8m thick. This information can only validated for the eastern side of the site","\\\\global\\europe\\Leeds\\Jobs\\270000\\273231-00\\0 Arup\\0-16 Process\\0-12-11 General Information\\Woodhouse Mill\\Ground Condition Survey\\ "]
[null,"Superficial Deposits - Secondary A Aquifer",null,null,null,null,null,null,null,"M","The superficial deposits are a secondary A aquifer, with medium high vulnerability status.  The clay of the upper superficial deposits confine groundwater within the gravel of the lower superficial deposits. The extent of this clay in the NW of the site is not known, as exploratory boreholes are only in the SE of the site. Groundwater is found within the lower superficial deposits, and is confined by the clay liner in the upper superficial.  There is no detailed groundwater monitoring data available for the superficial deposits on site, but the hydraulic gradient is likely to be towards the River Rother from SE to NW, and is likely to feed both the River Rother through baseflow.\nGroundwater within the lower superficial deposits is likely hydraulically connected to the River Rother (receptor), and any contaminants which are able to reach groundwater are likely to migrate  through the superficial deposits down the hydraulic gradient towards the River Rother .  The clay of the superficial deposits creates a low permeability layer between the main body of groundwater in the superficial deposits and any potential contamination percolating through the made ground. Information for the NW of the site is limited and without further information, the extent of the natural clay barrier is not known. As such any contamination in the NW of the site, could potentially come into contact with ground water in the superficial/bedrock deposits, allowing the superficial aquifer to act as a pathway.\n- It is likely that there is perched groundwater within the clay layers, as evidenced by a shallow water strike at 0.7mbgl in BHD1. The perched groundwater was not detected in any other boreholes across the site. \nDue to the possibility of contamination being transported by superficial groundwater in the NW of the site, it's risk as a pathway cannot be lowered due to the presence of the clay layering the SE, so remains as medium risk.\n","ETM / Soil Mechanics (2012) Woodhouse Mill WwTW Digester Refurbishment; Soil Mechanics Report No A311 Factual report on ground investigation - October 2003; ETM Geotechnical Assessment Report September 2003","- The superficial deposits beneath the site consist of approximately 3.0m to 6.0m of clay atop approximately 1.0m-1.7m of gravel. Groundwater is confined within this gravel layer which is connection with the upper sandstone of the Pennine Middle Coal Measures. The groundwater rests at approximately 3.0mbgl during monitoring. ground conditions in the north west of the site have not been ","\\\\global\\europe\\Leeds\\Jobs\\270000\\273231-00\\0 Arup\\0-16 Process\\0-12-11 General Information\\Woodhouse Mill\\Ground Condition Survey\\ "]
[null,"Middle Pennine Coal Measures - Secondary A Aquifer",null,null,null,null,null,null,null,"M","The middle Pennine Coal measures are a secondary A aquifer . The lower Pennine coal measures are likely to be hydraulically connected to the River Rother (receptor), and may feed the river through baseflow via the superficial deposits. Groundwater within the bedrock and the lower superficial deposits are likely to be hydraulically connected.  The thickness of the middle Pennine Coal measures at the site is expected to be high (up to 200-600m regionally). \nIt is unlikely that there is a pathway from the surface of the site to the middle Pennine coal measures in the SE of the site, due to the 3.0m to 6.0m thick clay layer atop the superficial deposits. However, without further information for the NW of the site, the extent of the natural clay barrier is not known. As such any contamination in the NW of the site, could potentially come into contact with ground water in both the superficial and bedrock deposits.  \nDue to the possibility of contamination being transported by superficial groundwater in the NW of the site, it's risk as a pathway cannot be lowered due to the presence of the clay layer in the SE, so remains as medium risk","ETM / Soil Mechanics (2012) Woodhouse Mill WwTW Digester Refurbishment; Soil Mechanics Report No A311 Factual report on ground investigation - October 2003; ETM Geotechnical Assessment Report September 2003","The site is located on Alluvium, associated with the River Rother, overlying bedrock of mudstone,  siltstone, sandstone and coal seams of the Carboniferous Pennine Middle Coal Measures Formation.","\\\\global\\europe\\Leeds\\Jobs\\270000\\273231-00\\0 Arup\\0-16 Process\\0-12-11 General Information\\Woodhouse Mill\\Ground Condition Survey\\ ","ETM / Soil Mechanics (2003) Geotechnical Assessment Woodhouse Mill Sludge Thickening","The exploratory holes have generally confirmed the anticipated geology across the site. This comprises a thin cover of made ground associated with the development over the existing alluvial deposits followed by Coal Measures clays and rocks. The Alluvial Deposits are formed of very soft clays and soft clays. ","ETM / Soil Mechanics (2012) Ground Investigation Woodhouse Mill WwTW Digester Refurbishment","In February 2012 Soil Mechanics (SM) was commissioned by ETM, to carry out a ground investigation at Woodhouse Mill WwTW, Sheffield, South Yorkshire. The investigation was required to obtain geotechnical information for the proposed construction of two new digester water treatment tanks. The GI identified the site overlies Made Ground (depth 0.4-1.2m) soft becoming firm clay below 3m (depth 2.9 m), medium dense brown slightly sandy, locally slightly clayey, subangular to surrounded fine to coarse GRAVEL of sandstone, mudstone and siltstone, clay, sandstone, mudstone."]
[null,"Mitigation - do these apply?"]
[null,"Some secondary and tertiary containment system is present (see Likelihood assessment)",null,null,null,null,null,null,null,"M"]
[null,"Spills will be contained within the hard surfaced and drained areas and returned to the WwTW for treatment.  The digester compounds are concrete and any spills go to WWTW but the areas around the digester compound are not concrete.  Small areas of surface water runoff from some roadways are currently being collected and transferred to FSTs.\n",null,null,null,null,null,null,null,"H"]
[null,"2D modelling for Woodhouse Mill STF identifies that sludge that pools around the FST's and PST's would flow to the river via surface drainage. ",null,null,null,null,null,null,null,"H"]
[null,null,null,null,null,null,null,null,"Path & Mitigation Overall Rating","H","Justification: \n - Small areas of surface water runoff from some roadways are currently being collected and transferred to FSTs.  These surface water drains will be redirected to the WwTW inlet\n - There are geo-environmental barriers underlying the site such as made ground and clay though transport of any spillage to the River Rother is possible through superficial groundwater.\n - There is good secondary containment for chemicals, such as those used in the odour control unit. "]
[null,"Climatic conditions"]
[null,"Annual rainfall < 1000 mm",null,835,"mm",null,null,null,null,"L"," - The annual rainfall is less than 1,000 mm","Met  Office","UK climate averages","https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-climate-averages/gcqzwq04e"]
[]
[]
[]
[null,"Fire Fighting Water"]
[null,"Flammable materials normally present on site in large quantities",null,null,null,null,null,null,null,"M"," - There is limited flammable materials on the STF that would combust over long periods and require significant volumes of fire fighting water. \n - The key flammable material is the biogas, which is contained within the double contained storage gas bag. Use and transfer of biogas is controlled via the site SCADA system, which included low and high pressure monitoring that would shut off any gas flows in the event of gas release, such as in a fire.\n - If firefighting was needed on the site the north and easterly section of 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,"Fire fighting and cooling water contaminated by inventory",null,null,null,null,null,null,null,"L"]
[null,"Location"]
[null,"Flooding",null,null,null,null,null,null,null,"M","The Woodhouse Mill site is classified as  Flood Zone 3. Parts of the Woodhouse Mill STF are in a zone 2 therefore it is considered to be a medium environmental hazard rating. \n\n\n","EA Flood Map for Planning","The Woodhouse Mill site is classified as   Flood Zone 3.","https://flood-map-for-planning.service.gov.uk/confirm-location?easting=443187&northing=385708&placeOrPostcode=s13%209wd"]
[null,"Site is connected to a Wastewater Treatment Works",null,null,null,null,null,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 attentional load within the system, where possible, or 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. \n"," "," "]
[null," CSO discharge",null,null,null,null,null,null,null,"H","Spills will be contained within the hard surfaced and drained areas and returned to the WwTW for treatment. The digester compounds are concrete and any spills go to WWTW but the areas around the digester compound are not concrete. Any spillages around the final tanks and primary tanks would drain via the surface water drains to river."]
[null,"Topographic maps indicate that the site is relatively flat.",null,null,null,null,null,null,null,"L"]
[null,null,null,null,null,null,null,null,"Site Considerations  Overall Rating","H"]
[null,null,null,null,null,null,null,null,null,null,null,null," "]
[]
[null,null,null,null,null,null,null,null,"Pathway Overall Hazard Rating",{"$f":"IF(OR(J21=\"H\",J35=\"H\"),\"H\",IF(OR(J21=\"M\",J35=\"M\"),\"M\",\"L\"))","v":"H"}]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["H"]
["M"]
["L"]

{"sheet":"1) c) Receptors","index":5,"n_rows":100,"n_cols":15,"rows_kept":100,"cut":false,"hidden":false,"merged":[]}
[]
[null,null,null,null,null,null,null,null,"Postcode","S13 9WD"]
[]
[null,"Receptors","Within","units",null,null,"Environmental hazard rating ","Notes","Source","Description","Link","Source","Description","Source","Description"]
[null,"Watercourses and bodies"]
[null,"River Rother",150,"m",null,null,"H","The River Rother, which runs adjacent to Woodhouse Mill STF is situated within the 'Rother, Doe Lea to Don' waterbody, part of the 'Rother and Doe Lea' operational catchment. This waterbody has an overall WFD classification of 'Moderate', with an ecological status of 'Moderate' and  a chemical status of 'Good'.  \n\nThe River will transport any contaminants that enter the river through surface water runoff, groundwater flow and other potential receptors downstream. There is potential for contaminants to be transported downstream to other waterbodies.  Directly adjacent to the STF is an area of deciduous woodland and broadleaved forest. There is a local nature reserve located  approximately 400 m upstream of the WwTW. The wider area falls within a nitrate vulnerable zone.\n\n\n\n\n\n","ETM / Soil Mechanics (2012) Woodhouse Mill WwTW Digester Refurbishment","The site is located immediately adjacent to the east bank of River Rother.\n\nMitigation Measures Assessment, Fish, Invertebrates and Phosphate are reasons for the waterbody failing to meet 'Good' ecological status. ",null,"Environment Agency Catchment Data explorer\n\nhttps://environment.data.gov.uk/catchment-planning/WaterBody/GB104027057772","Classified as moderate ecological status and good chemical status for 2016 "]
[null,"Superficial Deposits - Secondary A Aquifer","Below the site",null,null,null,"M","Classified as a Secondary aquifer (A), therefore medium environmental hazard rating.   Groundwater within the lower superficial deposits should be considered as hydraulically connected to  made ground, superficial deposits, and the River Rother. It is expected that across the site groundwater is in connection with not only other aquifers, but also the River Rother. In the south east of the site, it is likely there is no pathway from the surface to the main groundwater body in the lower superficials and bedrock, as there is a 3-6m layer of clay that is confining the groundwater in the lower superficials and bedrock beneath the site. However it is not known if the clay is laterally extensive in the NW of the site, which may mean there is a potential pathway to groundwater within the superficials. Any perched superficial groundwater is likely to be minor and not connected to the main aquifer body. \n\n","ETM / Soil Mechanics (2012) Woodhouse Mill WwTW Digester Refurbishment; Soil Mechanics Report No A311 Factual report on ground investigation - October 2003; ETM Geotechnical Assessment Report September 2003","- The superficial deposits beneath the site consist of approximately 3.0m to 6.0m of clay atop approximately 1.0m-1.7m of gravel. Groundwater is confined within this gravel layer which is connection with the upper sandstone of the Pennine middle coal Measures. The groundwater rests at approximately 3.0mbgl during monitoring. ","\n\\\\global\\europe\\Leeds\\Jobs\\270000\\273231-00\\0 Arup\\0-16 Process\\0-12-11 General Information\\Woodhouse Mill\\Ground Condition Survey\\ "]
[null,"Middle Pennine Coal Measures - Secondary A Aquifer","Below the site",null,null,null,"M","Classified as a Secondary aquifer (A), therefore medium environmental hazard rating. Groundwater within the Middle Pennine Coal Measures should be considered as hydraulically connected to  superficial deposits, and the River Rother. As with the groundwater in the superficial deposits, it is expected that groundwater beneath the site is in hydraulic conductivity with the River Rother. There is no pathway from the surface to the main groundwater body in the lower superficials and bedrock aquifers, as there is a 3-6m layer of clay that is confining the groundwater in the lower superficials and bedrock beneath the site. However it is not known if the clay is laterally extensive in the NW of the site, which may mean there is a potential pathway to groundwater within the superficials/bedrock groundwater. \n\n\n","ETM / Soil Mechanics (2012) Woodhouse Mill WwTW Digester Refurbishment; Soil Mechanics Report No A311 Factual report on ground investigation - October 2003; ETM Geotechnical Assessment Report September 2003","The site is located on Alluvium, associated with the River Rother, overlying bedrock of mudstone,  siltstone, sandstone and coal seams of the Carboniferous Pennine Middle Coal Measures Formation.","\n\\\\global\\europe\\Leeds\\Jobs\\270000\\273231-00\\0 Arup\\0-16 Process\\0-12-11 General Information\\Woodhouse Mill\\Ground Condition Survey\\ "]
[null,"Groundwater Abstraction","N/A",null,null,null,"M","The nearest source protection zone is 8.5km to the east of the site. There are no recorded historic water wells within a close proximity of the site. It is not known if there are any groundwater abstractions within the proximity of the site, however it is recommended that a review of current licensed/unlicensed abstractions is recommended. Therefore, this does not rule groundwater abstractions out as a potential receptor, so the receptor is a Medium Environmental Hazard Rating.\n\n","MAGIC Landscape Land Based Designations - Source Protection Zones\n\n",null,"\nhttps://magic.defra.gov.uk/magicmap.aspx"]
[null,"Surface water abstractions ","N/A",null,null,null,"M","It is not known if there are any surface water abstractions within the proximity of the site, however it is recommended that a review of current licensed/unlicensed abstractions is recommended. Therefore, this does not rule groundwater abstractions out as a potential receptor, so the receptor is a Medium Environmental Hazard Rating."]
[null,"Woodhouse Wash lands LNR",400,"m",null,null,"L","The site is not likely to be affected by groundwater as it is up hydraulic gradient from the site, and upstream from the River Rother.","Yorkshire Water (2019) Desk top project ecology screening form","The site neighbours Woodhouse Wash lands. An area managed by the Sheffield & Rotherham Wildlife Trust with funding from the Environment Agency and YW. Grass snake, water vole, badgers and GCN are all present in the surrounding area, and there is bat activity in the vicinity",null,"Viridor","Woodhouse Wash lands nature reserve straddles the River Rother, on the boundary of Sheffield and Rotherham in South Yorkshire. Despite a history of industrial use and extensive land drainage associated with the straightening of the river in the 1950s, the nature reserve still holds a good range of wetland wildlife including great crested newts, grass snakes, reed warblers and snipe. A network of nine new ponds and wet scrapes have been created, two existing ponds have been restored and 50 metres of wet ditches have been dug. Four newt hibernacula have also been built on the site, providing safe shelter for these endangered animals over the winter. ","https://www.viridor-credits.co.uk/projects/woodhouse-washlands-nature-reserve-sheffield"]
[null,"WwTWs",50,"m",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,"Water Overall Rating","H","Justification: River Rother has a High Environmental Hazard Rating"]
[null,"Habitation"]
[null,"Industry",150,"m",null,null,"M","There is an industrial site JELD-WEN 100 metres South of the site. There is a road between the STF and the industrial site. Due to proximity this is a medium risk."]
[null,"Residences",250,"m",null,null,"M","There are residences located close to the site.  Due to proximity this is a medium risk."]
[null,"Old Sludge Lagoon",450,"m",null,null,"M","There is an old sludge lagoon to the north of the site which is capped and no longer in use.  Due to proximity this is a medium risk."]
[null,"Railway ",100,"m",null,null,"M","There is a railway line running adjacent to the East of the site.  Due to proximity this is a medium risk."]
[]
[]
[null,null,null,null,null,"Habitation Overall Rating","M","Justification: A medium environmental hazard rating has been selected as 2D modelling indicates the majority of  sludge would remain onsite during catastrophic failure, however potial route to the river exisits due to surface drainage routes around the FST's and PST's."]
[null,"Other"]
[null,"Shire Brook Local Nature Reserve",1.2,"km",null,null,"L","The Shire Brook Local Nature Reserve is  located 1.2km south west of the site. Therefore, a low environmental hazard rating has been given. ","MAGIC","The Shire Brook Local Nature Reserve is adjoining the site","https://magic.defra.gov.uk/MagicMap.aspx"]
[null,"Treeton Dyke",400,"m",null,null,"M","This waterbody is located 400 metres to the North East of the site. It is used for walking, fishing, water sports and outdoor swimming. There is a railway line between the site and the dyke. Due the distance and hydraulic connection to the river a medium environmental hazard rating has been given. "]
[null,"Lake Waverley / Landfill",1.2,"km",null,null,"L","Lake Waverley and a landfill site is situated to the north of the site. Due to the distance a low environmental hazard rating has been given. "]
[null,null,null,null,null,"Other Overall Rating","M","Justification: All of the above are Low or Medium Environmental Hazard Rating","MAGIC","Land and Marine Based Statutory Designations","https://magic.defra.gov.uk/MagicMap.aspx"]
[]
[]
[null,null,null,null,null,"Receptors Overall Hazard Rating",{"$f":"IF(OR(G13=\"H\",G21=\"H\",G26=\"H\"),\"H\",IF(OR(G13=\"M\",G21=\"M\",G26=\"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,{"$f":"'1) a) Source'!J36","v":"H"},{"$f":"'1) b) Pathway'!J38","v":"H"},{"$f":"'1) c) Receptors'!G29","v":"H"},{"$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":3},{"$f":"VLOOKUP(D6,B101:C103,2,FALSE)","v":3},{"$f":"B106*C106*D106","v":27}]

{"sheet":"3) Likelihood","index":7,"n_rows":1472,"n_cols":9,"rows_kept":1472,"cut":false,"hidden":false,"merged":[[181,1,193,1],[181,3,193,3],[181,4,193,4],[181,5,193,5],[168,1,180,1],[168,3,180,3],[168,4,180,4],[168,5,180,5],[142,1,154,1],[142,3,154,3],[142,4,154,4],[142,5,154,5],[155,1,167,1],[155,3,167,3],[155,4,167,4],[155,5,167,5],[116,1,129,1],[116,3,129,3],[116,4,129,4],[116,5,129,5],[130,1,141,1],[130,3,141,3],[130,4,141,4],[130,5,141,5],[89,1,102,1],[89,3,102,3],[89,4,102,4],[89,5,102,5],[103,1,115,1],[103,3,115,3],[103,4,115,4],[62,1,75,1],[62,3,75,3],[62,4,75,4],[62,5,75,5],[76,1,88,1],[76,3,88,3],[76,4,88,4],[76,5,88,5],[35,1,48,1],[35,3,48,3],[35,4,48,4],[35,5,48,5],[49,1,61,1],[49,3,61,3],[49,4,61,4],[49,5,61,5],[20,6,20,7],[22,1,34,1],[22,3,34,3],[22,4,34,4],[22,5,34,5]]}
[]
[]
[]
[]
[]
[]
[]
[]
[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 Yorkshire Water experience on their own sites therefore accounts for the Yorkshire Water design specification, making the assessment relevant to the designs. ",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,"Risk ","Description of Risk","UNMITIGATED LIKELIHOOD \n","Mitigation applied","MITIGATED LIKELIHOOD",null,"","Site Overall Likelihood"]
[null,"Thickener Feed Tanks\n2 x1,427m3\n\nSpillage of non hazardous sludge: \n - catastrophic failure of tank\n - tank overflow or\n - tank leaks.","Containment:\n - Mild steel construction with conical GRP roof. Constructed in 2013 with a 30yr minimum design life.  Current condition is confirmed with regular inspection. \n - High level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached. \n - The tank is covered with vent to open atmosphere\n- The site is designed to drain towards the site centre, away from identified Receptors. \n- The tank is surrounded by impermeable hardstanding which drains to the liquors return pumping station which would return spills for treatment\n","M"," - Tanks visually inspected weekly. \n - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\n - Non Destructive Testing is carried out every 5 years on all tanks and associated ancillary assets. The risk of catastrophic failure will therefore be identified before failure occurs. \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. ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic tank failure - The tank is new and Yorkshire Water have never experienced catastrophic failure of steel tanks built and maintained to the YWS specifications.  Based on the CIRIA risk criteria for steel tanks, the potential is therefore considered medium."]
[null,null," - Tank overflow or leaks - Due to level monitors and the interlock on pumps feeding sludge , The risk of overflow is low.  "]
[null,null,"- Potential for minor leakage around pipe flanges, where they enter and exit the tank, however these would be 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 plant items. No risk of overflow, due to level monitors and the interlock on feed pumps. HAZOP studies have been undertaken as part of the design process. Likelihood of emissions due to abuse is low"]
[null,null,"- Impact - The tanks are situated within a kerbed area, safe from impact the low-speed access 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 security.  Likelihood of emissions due to vandalism is low"]
[null,null,"- Fire, explosion - the tank is covered with passive venting to atmosphere. The risk of flammable gasses building in the headspace is low. 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 tanks were designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"- Ageing - Tank constructed in 2013 with a 30yr minimum design life.  Current condition is confirmed with regular inspection. Likelihood of emissions due to age is low"]
[null,null,"- Lightning strike - Site wide lightning conductor remedial works undertaken in 2017.  Likelihood of emissions due to Lightning is low"]
[null,"Pipework associated with the thickener feed tanks and drum thickeners\n\n - Spillage of non hazardous sludge: catastrophic failure and leaks from pipework.","Containment: \n- All pipelines, valves are made from steel and single-skinned\n- The thickener feed tank outlet pipework runs above ground over impermeable surfacing that falls to the site drainage\n- The drum thickeners within a water-tight trough situated over impermeable surfacing that falls to the site drainage\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 - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\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  ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic pipe failure - Following pressure testing the potential for catastrophic failure is considered low."]
[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. Within tank bases, pipes are surrounded by concrete.  This is designed and maintained to the Yorkshire Water specifications. The risk of emission due to leaks is therefore considered to be low. "]
[null,null,"- Catastrophic failure of pipe joints and flanges, particularly downstream of the thickener feed pumps and thickened sludge transfer pumps - Any sudden loss of pressure related to a catastrophic pipe failure would be identified by the site SCADA system resulting in 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 all plant items. Operators are trained in the running of plant items. The risk of emission of sludge is considered low"]
[null,null,"- Abuse - All site staff and tanker operators are trained to operate the plant items. HAZOP studies have been undertaken as part of the design process. 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 located away from site 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 pipework was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"- Ageing - The pipework was installed in 2013 with a 30 year minimum design life.  Current condition is confirmed with regular inspection.  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,"Digester Feed Tanks\n1 x 250 m3 (1990)\n1 x 554m3 (2000)\nBoth Repurposed 2013\nBoth Repaired 2019\n\nSpillage of non hazardous sludge: \n - catastrophic failure of tank\n - tank overflow or\n - tank leaks.","Containment:\n - Steel tank construction. Digester Feed Tank No 1 (250m3) was constructed in 1990 and No 2 (554m3) in 2000 . Both were originally sludge buffer tanks and later upgraded to Digester Feed Tank in ETM FFD Scheme in 2013. Both tanks were also repaired in 2019. \n - High level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached. \n- Both tanks are covered and vented.\n- Venting system protects tank No 2 from damage to the tank walls and roof during tanker unloading operations. \n- The site is designed to drain towards the site centre, away from identified Receptors. \n- The digester feed tank outlet pipework exits at the bottom of the tank and rises above ground immediately past the tank wall, over impermeable surfacing that falls to the site drainage.\n- The tank is surrounded by impermeable hardstanding which drains to the liquors return pumping station which would return spills for treatment\n","M"," - Tanks visually inspected weekly. \n - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\n - Non Destructive Testing is carried out every 5 years on all tanks and associated ancillary assets. The risk of catastrophic failure will therefore be identified before failure occurs. \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. ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic tank failure - The tanks were constructed in 1990 and 2000, repurposed in 2013 and repaired in 2019. Yorkshire Water have never experienced catastrophic failure of steel tanks built and maintained to the YWS specifications.  Based on the CIRIA risk criteria for concrete tanks, the potential is therefore considered medium."]
[null,null," - Tank overflow or leaks - Due to level monitors and the interlock on pumps feeding sludge , The risk of overflow is low.  "]
[null,null,"- Potential for minor leakage around pipe flanges, particularly at the outlet pipework connection as this is below ground. Emission due to 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 and tanker operators are trained to operate the digester feed tank. HAZOP studies have been undertaken as part of the design process. 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 located on raised ground and kerbed from the access roads.  Likelihood of emissions due to impacts medium"]
[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 continuously mixed and vented to the odour control unit, 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 low"]
[null,null,"- Ageing - Tanks constructed in 1990 and 2000 with a 30 year minimum design life.  Current condition is confirmed with regular inspection.  Likelihood of emissions due to age in medium. "]
[null,null,"- Lightning strike - Site wide lightning conductor remedial works undertaken in 2017.  Likelihood of emissions due to Lightning is low"]
[null,"Pipework associated with the digester feed tanks\n\n - Spillage of non hazardous sludge: catastrophic failure and leaks from pipework.","Containment: \n- All pipelines, valves are made from steel and single-skinned\n- Digester feed tank outlet pipework exits below the tank and runs a short distance below ground. This continues  above ground where it is on impermeable surfacing that falls to the site drainage. \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 - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\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  ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic pipe failure - Following pressure testing the potential for catastrophic failure is considered low."]
[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 build with secondary containment with the pipework 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 low. "]
[null,null,"- Catastrophic failure of pipe joints 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 all plant items. Operators are trained in the running of plant items. The risk of emission of sludge is considered low"]
[null,null,"- Abuse - All site staff and tanker operators are trained to operate the plant items. HAZOP studies have been undertaken as part of the design process. 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 located on rasied ground and kerbed from the access roads  Likelihood of emissions due to impacts medium"]
[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 pipework was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"- Ageing - The pipework was installed between 1990 - 2000 with a 30 year minimum design life.  Current condition is confirmed with regular monitoring to check for leakages and material failure. Likelihood of emissions due to age in medium."]
[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,"Digesters\n2 x 1,733 m3\n\nSpillage of non hazardous sludge: \n - catastrophic failure of tank\n - tank overflow or\n - tank leaks.","Containment:\n - Concrete tank construction. Constructed in 2013 with a 60yr minimum design life.  Current condition is confirmed with regular inspection. \n - High level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached. \n - The tank is covered and biogas collected in the headspace. Biogas is continuously transferred to the gas holder for storage.\n- The site is designed to drain towards the site centre, away from identified Receptors. \n- The tank is surrounded by impermeable hardstanding which drains to the liquors return pumping station which would return spills for treatment\n ","M"," - Tanks visually inspected weekly. \n - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day - confirm\n - Non Destructive Testing is carried out every 5 years on all tanks and associated ancillary assets. The risk of catastrophic failure will therefore be identified before failure occurs. \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. ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic tank failure - Pressure relief valves are provided in the tank roof and the biogas offtake pipework to gas storage, therefore avoiding high pressure building (relief pressure set at 35mbarg) up in the tank. Yorkshire Water have never experienced catastrophic failure of any concrete 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. "]
[null,null," - Tank overflow or leaks - Due to level monitors and the interlock on pumps feeding sludge. The risk of overflow is low.  "]
[null,null,"- Potential for minor leakage around pipe flanges, where they enter and exit the tank, however these would be 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 and tanker operators are trained to operate the plant item. HAZOP studies have been undertaken as part of the design process. 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 protected by road kerbs and access is restricted within the digester compound.  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 tanks are designed to generate biogas and generate a flammable atmosphere within the headspace.  Likelihood of emissions due to fire or explosion is low. Confirm DSEAR assessment has been conducted and ATEX rated instrument reduces the likelihood of ignition in zoned areas."]
[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 tanks were designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"- Ageing - Tanks constructed in 2013 with a 60 year minimum design life.  Current condition is confirmed with regular inspection. Likelihood of emissions due to age is low"]
[null,null,"- Lightning strike - Site wide lightning conductor remedial works undertaken in 2017.  Likelihood of emissions due to Lightning is low"]
[null,"Pipework associated with the digesters\n\n - Spillage of non hazardous sludge: catastrophic failure and leaks from pipework.","Containment: \n- All pipelines, valves are made from steel and single-skinned.\n- Where external and less than 150 NB, pipework is trace-heated and lagged.\n- Digester inlet and outlet pipework, recirculation pipework are all above ground and over impermeable surfacing that falls to the site drainage\n- Tank drain pipework exits below the tank and runs partially below ground. This pipework is only used during drain down operations.\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 - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\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  ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic pipe failure - Following pressure testing the potential for catastrophic failure is considered low."]
[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. Only drain pipework is routed below ground and will only be used for maintenance purposes. The risk of emission due to leaks is therefore considered to be low. "]
[null,null,"- Catastrophic failure of pipe joints 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 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 tanker operators are trained to operate the import tank. HAZOP studies have been undertaken as part of the design process. 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 protected by road kerbs and access is restricted within the digester compound.  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 tanks are designed to generate biogas and generate a flammable atmosphere within the headspace.  Likelihood of emissions due to fire or explosion is low. Confirm DSEAR assessment has been conducted and ATEX rated instrument reduces the likelihood of ignition in zoned areas."]
[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 tanks were designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"- Ageing - The pipework was installed in 2013 with a 30 year minimum design life.  Current condition is confirmed with regular monitoring to check for leakages and material failure. Likelihood of emissions due to age is low"]
[null,null,"- Lightning strike - Lightning protection risk assessment carried out protection installed if required. Likelihood of emissions due to lightning is low."]
[null,"Dewatering Feed Tank\n1 x 500 m3 (1996)\n2 x 606 m3 (2013)\n\nSpillage of non hazardous sludge: \n - catastrophic failure of tank\n - tank overflow or\n - tank leaks.","Containment:\n - No 1 is made of steel tank construction. Constructed in 1996 with a 30 year minimum design life.  Current condition is confirmed with regular inspection.  Repairs identified as necessary to maintain safe tank operation were completed in 2019.\n - Nos 2 and 3 are made of FBE coated steel tank construction. Constructed in 2013 with a 30 yr minimum design life.  Current condition is confirmed with regular inspection. \n - Level monitor and high level alarms linked to site SCADA control program and interlock to stop pumping into the tanks if high level reached. \n- The tank is uncovered and has overflow arrangement which directs excess flows to drain, ultimately returned to the works for treatment.\n- The site is designed to drain towards the site centre, away from identified Receptors. \n- The tank is surrounded by impermeable hardstanding which drains to the dewatering liquors pumping station which would return spills for treatment\n-  ","M"," - Tanks visually inspected weekly. \n - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\n - Non Destructive Testing is carried out every 5 years on all tanks and associated ancillary assets. The risk of catastrophic failure will therefore be identified before failure occurs. \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. ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic tank failure - The tanks are of varying age (24 and 7 years old).  These tanks are subject to regular inspection to confirm condition.   Yorkshire Water have never experienced catastrophic failure of steel tanks built and maintained to the YWS specifications.   The likelihood of emissions due to catastrophic tank failure is medium."]
[null,null," - Tank overflow or leaks - Due to level monitors and the interlock on digested sludge transfer pumps, The risk of overflow is low.  "]
[null,null,"- Potential for minor leakage around pipe flanges, where they enter and exit the tank, however these would be 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 and tanker operators are trained to operate the tank. HAZOP studies have been undertaken as part of the design process. 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 separated from the low-speed access road by kerbs.  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 uncovered and sludge is treated sufficiently with no likelihood of flammable atmosphere formation. Likelihood of emissions due to fire or explosions 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 - Both steel tanks had a 30 year minimum design life.  Current condition is confirmed with regular inspection. Tank no. 2 was built in 2013 Tank no. 1 was built in 1996.  Likelihood of emissions due to age is low/medium."]
[null,null,"- Lightning strike - Site wide lightning conductor remedial works undertaken in 2017.  Likelihood of emissions due to Lightning is low"]
[null,"Pipework associated with the dewatering feed tank\n\n - Spillage of non hazardous sludge: catastrophic failure and leaks from pipework.","Containment: \n- All pipelines, valves are made from steel and single-skinned\n- Dewatering feed tank inlet pipework are above ground and over impermeable surfacing that falls to the site drainage\n- Dewatering feed tank outlet pipework exits below the tank and runs a short distance below ground. This continues above ground where it is on impermeable surfacing that falls to the dewatering site drainage. \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 - Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\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  ","L"]
[null,null,"Failure risk:"]
[null,null," - Catastrophic pipe failure - Following pressure testing the potential for catastrophic failure is considered low."]
[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 built with secondary containment with the pipework 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 low. "]
[null,null,"- Catastrophic failure of pipe joints 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 all plant items. Operators are trained in the running of plant items. The risk of emission of sludge is considered low"]
[null,null,"- Abuse - All site staff and tanker operators are trained to operate the plant items. HAZOP studies have been undertaken as part of the design process. 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 protected by road kerbs and set back likely away from the chemical delivery area (polymer). 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 pipework was designed with geotechnical design input.  Likelihood of emissions due to Geological issues is low"]
[null,null,"- Ageing - The pipework was installed in 1996-2013 with a 30 year minimum design life.  Current condition is confirmed with regular monitoring to check for leakages and material failure. Likelihood of emissions due to age in medium"]
[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,"Digested Cake Pad\n7,500 m3\n\nEmission of sludge solids from the conditioning pads\nLeaching of liquors to groundwater","Containment:\n- Dewatered digested sludge cake is stored in windrows, on impermeable concrete surface\n- A site excavator is used to load sludge cake into the haulage vehicles, which can result in sludge cake being tracked out of the area. \n- The site roads are impermeable and drain to the inlet pumping station which would return any sludge washed from the road for treatment.\n","L","- Area visually inspected every week \n- Weekly TCM checks, including visual inspection \n - Site is manned 7 days per week for 12 hours per day.\n - Daily site task instruction ensures the areas of the site are inspected for any environmental or process risks. \n- Cake inventory to be reduced/moved to a safe location on/off site prior to flood events.","L"]
[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 low. It must be noted that the digested sludge cake is mostly free from pathogen and commonly used as soil conditioner (safe to environment). Surface run-off from the conditioning slab is directed to a wet well which transfers any leached liquors to the return liquors pumping station "]
[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 area 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,"Polyelectrolyte Storage\n1 x 10 m3\n(Neat Liquid for Thickening)\n\n\nEmission of polymer (powder, liquid and make-up) from tank\nLeaching of polymer to groundwater","Containment:\n - Polyelectrolyte is used to treat the sludge prior to thickening.  \n - Liquid polyelectrolyte is delivered to site and loaded into a GRP 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.  ","L","N/A","L"]
[null,null,"Failure risk:"]
[null,null,"- Catastrophic containment failure - Polymer is stored in a bulk storage tank and pumped into the make-up system, 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 2013  with a 30 year minimum design life  for the tank.  Current condition is confirmed with regular inspection. Likelihood of emissions due to age is low"]
[null,null,"- Lightning strike - Site wide lightning conductor remedial works undertaken in 2017.  Likelihood of emissions due to Lightning is low"]
[null,"Polyelectrolyte Storage\n1 x 4.7 m3\n(Powder Poly for Dewatering)\n\n\nEmission of polymer (powder and make-up) from tank\nLeaching of polymer to groundwater","Containment:\n - 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.  ","L","N/A","L"]
[null,null,"Failure risk:"]
[null,null,"- Catastrophic containment failure - Powder polymer is stored in big-bag and emptied into the make-up system 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 2013 with a 30 year minimum design life for the tank.  Current condition is confirmed with regular inspection. Likelihood of emissions due to age is low"]
[null,null,"- Lightning strike - Site wide lightning conductor remedial works undertaken in 2017.  Likelihood of emissions due to Lightning is low"]
[null,"Anti-Foam Storage\n0.128m3 stock tank\n\nEmission of chemical with low ecotoxicity\nLeaching to groundwater","Containment:\n- Anti-foam stock tank is mounted within the dosing unit with appropriate spill containment as per YW asset standards.\n- Pipework is double-contained as it exits the dosing unit\n- Where <150NB, pipework is designed with trace-heating and lagging.","L","N/A","L"]
[null,null,"Failure risk:"]
[null,null,"- Catastrophic tank failure - The stock tank holds a relatively low volume. This must meet YWS specifications. Therefore the potential for emissions and bund failure is considered low."]
[null,null," - Tank overflow or leaks -  The container is vented to atmosphere so no over/under pressure impact during emptying. The tank is designed to the Yorkshire Water specifications. Likelihood of emissions due to design failures is low"]
[null,null,"- Potential for minor leakage around pipe flanges, where they enter and exit the tank - however this is all captured within the dosing unit. Therefore risk due to leakage is considered low."]
[null,null,"- Operational failures -  Operators are trained in the running of the 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 dosing unit. Operators are trained to maintain venting and to prevent stock tank collapse as it is drained. Likelihood of emissions due to abuse is low "]
[null,null,"- Impact -  The dosing unit is sited away from vehicle traffic. Likelihood of emissions due to impacts low"]
[null,null,"- Vandalism, etc. - The STF is 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 – DSEAR assessment has been carried out in the digester area. Likelihood of emissions due to fire or explosion is low"]
[null,null,"- Geological factors - Based on the geotechnical survey carried out, there is no evidence of wider geotechnical issues during the time the STF has been operational on the site.  The dosing unit was designed with geotechnical design input.  Likelihood of emissions due to geological issues is low "]
[null,null,"- Ageing – The stock tank and dosing unit were installed in 2013 as per standard Yorkshire Water procedures. The tank itself has a 30 year minimum design life.  Current condition is confirmed with regular inspection.  Likelihood of emissions due to age is low"]
[null,null,"- Lightning strike - the plant items are low relative to other structures within the are therefore unlikely to be struck by lightning.  Likelihood of emissions due to Lightning is low"]
[null,"Lubricating Oil Storage\n1 x 1.2 m3 Fresh\n1 x 1.2 m3 Waste\n\nEmission of hazardous substance\nLeaching to groundwater","Note: Please check if standard design as there is no info available. If so, accept description and  various failure risks.\n\nContainment:\n- Clean and waste fuel oil are steel self-bunded tanks with internal leakage detection and stored within the CHP building.  constructed to YW asset standards and Control of Pollution (Oil Storage) (England) Regulations 2001.","L","N/A","L"]
[null,null,"Failure risk:"]
[null,null,"- Catastrophic tank failure - the storage tanks are new and of relatively low volume. these are built and maintained to the YWS specifications. Therefore the potential for emissions and bund failure is considered low."]
[null,null," - Tank overflow or leaks -  The containers are vented to atmosphere so 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,"- Potential for minor leakage around pipe flanges, where they enter and exit the tank, is considered low."]
[null,null,"- Operational failures -  Operators are trained in the running of the 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 tank/containers. Low risk of overflow, due to level monitors on oil containers . Likelihood of emissions due to abuse is low "]
[null,null,"- Impact -  The containers are either stored within a building or sited away from vehicle traffic. Likelihood of emissions due to impacts low"]
[null,null,"- Vandalism, etc. - The STF is 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 – DSEAR assessment has been carried out in the CHP area. Likelihood of emissions due to fire or explosion is low"]
[null,null,"- Geological factors - Based on the geotechnical survey carried out, there is no evidence of wider geotechnical issues during the time the STF 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 containers were installed in 2013 and will be replaced as per standard Yorkshire Water procedures . Likelihood of emissions due to age is low"]
[null,null,"- Lightning strike - the plant items are low relative to other structures within the are therefore unlikely to be struck by lightning.  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":"E340*F340","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":"E404*F404","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":"E468*F468","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":"E532*F532","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":"E596*F596","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":"E660*F660","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":"E724*F724","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":"E788*F788","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":"E852*F852","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":"E916*F916","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":"E980*F980","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":"E1044*F1044","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":"E1108*F1108","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":"E1172*F1172","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":"E1236*F1236","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":"E1300*F1300","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":"E1364*F1364","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":"E1428*F1428","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":"Sheet2","index":8,"n_rows":29,"n_cols":16,"rows_kept":29,"cut":false,"hidden":true,"merged":[]}
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Thickener Feed Tanks"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Pipework associated with the thickener feed tanks and drum thickeners"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Digester Feed Tanks"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Pipework associated with the digester feed tanks"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Digesters"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Pipework associated with the digesters"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Dewatering Feed Tanks"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Pipework associated with the dewatering feed tanks"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Digested Cake Pad"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Return Liquors Pumping Station"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Pipework associated with the return liquors balance tank"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Polyelectrolyte Storage"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Polyelectrolyte Storage"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Ferric Chloride Storage"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Anti-Foam Storage"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Lubricating Oil Storage"]

{"sheet":"4) Site Risk and Classification","index":9,"n_rows":96,"n_cols":5,"rows_kept":96,"cut":false,"hidden":false,"merged":[]}
[]
[]
[]
[]
["Activity","Site Hazard Rating","Likelihood","Overall Site Risk Rating","Indicated Class of Secondary Containment Required"]
["Site - overall summary score",{"$f":"'2) Site Hazard Rating'!E6","v":"High"},"Low","Medium",{"$f":"IF(D6=\"Low\",\"Class 1\",IF(D6=\"Medium\", \"Class 2\",\"Class 3\"))","v":"Class 2"}]
["Thickener Feed Tanks","High","Low","Medium",{"$f":"IF(D7=\"Low\",\"Class 1\",IF(D7=\"Medium\", \"Class 2\",\"Class 3\"))","v":"Class 2"}]
["Pipework associated with the thickener feed tanks and drum thickeners","High","Low","Medium","Class 2"]
["Digester Feed Tanks","High","Low","Medium","Class 2"]
["Pipework associated with the digester feed tanks","High","Low","Medium","Class 2"]
["Digesters","High","Low","Medium","Class 2"]
["Pipework associated with the digesters","High","Low","Medium","Class 2"]
["Dewatering Feed Tanks","High","Low","Medium","Class 2"]
["Pipework associated with the dewatering feed tanks","High","Low","Medium","Class 2"]
["Digested Cake Pad","High","Low","Medium","Class 2"]
["Polyelectrolyte Storage Thickening","High","Low","Medium","Class 2"]
["Polyelectrolyte Storage Dewatering","High","Low","Medium","Class 2"]
["Ferric Chloride Storage","High","Low","Medium","Class 2"]
["Anti-Foam Storage","High","Low","Medium","Class 2"]
["Lubricating Oil Storage","High","Low","Medium","Class 2"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["Rating lookup table"]
["Low",1]
["Medium",2]
["High",3]
[]
["This assessment score"]
[{"$f":"VLOOKUP(B6,A91:B93,2,FALSE)","v":3},{"$f":"VLOOKUP(C6,A91:B93,2,FALSE)","v":1},null,{"$f":"A96*B96","v":3}]

{"sheet":"5) Standard Containment Designs","index":10,"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 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":11,"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":12,"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."]