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The content identifies key challenges such as limited GIS coverage, unreliable confidence in network data, and outdated or low-confidence network models. It describes the DAP approach, including a structured four-stage process, detailed DAP assessment for project planning, and programme tranches covering major regional areas with capacity mapping for dry and wet day scenarios.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/drainage-plans-for-growth-dap-programme-key-challenges-process/662884/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/drainage-plans-for-growth-dap-programme-key-challenges-process/662884.png","ImageObject",300,407,{"name":92,"@type":93},"dhado","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the main key challenges highlighted in the drainage planning?","Question",{"text":112,"@type":113},"The material highlights that about 40% of the network is not in GIS, around 30% is based on poor or low-confidence data, and most network model coverage is out of date or low confidence.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the DAP process proceed across stages?",{"text":117,"@type":113},"The DAP process is presented as four stages: Stage 1 data gathering, Stage 2 model build, Stage 3 risk assessment, and Stage 4 assessing options and design development.",{"name":119,"@type":110,"acceptedAnswer":120},"What is included in DAP Stage 2 and how is the model verified?",{"text":121,"@type":113},"Stage 2 includes asset surveys such as flow monitoring, and model verification is demonstrated using rainfall intensity and flow relationships with depth-based outputs.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},662884,1793223031,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},5909893218464,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","An Roinn Tithíochta,Pleanála agus Rialtais AitiúilDepartment of Housing,Planning and Local Government  \n# Drainage Plans forGrowth\n\nMichael GossWater Services Training Group  \n# KKey Challenges:\n\n40%network not in GIS.  \n30%network based on poor/low confidencedata.  \nMajority Network Models out of date/lowconfidenceSolutions:  \n1.Drainage Area Plans (DAPs)  \n2.Wastewater Network PlansWastewater Networks  \n3.Wastewater Network Programmes  \n1  \n# Drainage AreaPlans\n\nThe DAP-investigation of the failure mechanismscausing service failures on the network usinga verified hydraulic modelPollution IncidentsClimate ChangeGrowthSewer FloodingUrban CreepHigh Level DAPAssessment forInvestment Planning  \nInvestment Needs &Notional SolutionsDetailed DAP Assessmentfor Project Planning  \nPrioritised Costed Solutionswithin a Plan and Programme4 |WSTG Cork 2018  \n# 4 Stages in DAP Process\n\n·Stage 1:Data Gathering  \n·Stage 2:Model Build  \n·Stage 3:Risk Assessment  \n·Stage 4:Assess Options &Design Development  \n# DAP Stage 2-Asset Surveys\n\nFlow Monitoring  \n# Model Verification\n\nRainfallintensity(mm/hr)  \n0.0-  \n\n|  |  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |\n\n2.0  \n4.0  \n6.0  \n8.0-  \nDepth (m)0.0001Flow(Vs)302010凡o土  \n0.150一  \n0.100  \n0.050  \n# DAP Programme Tranche 1&2(∈50M)\n\nTRANCHE 1  \nTRANCHE 2Cork City  \nKilkenny CityBallincollig  \nMidletonWaterford CityRoscreaWexford TownThurles  \nDungarvan (Waterford)Lower Liffey Valley  \nLimerick CityGalway City  \nSutton PS(North Dublin)TraleeDundalkKillarneyMonaghan Town  \nListowelBray &Shanganagh  \nPortlaoiseBallylongfordTullamoreMain Lift PS(Ringsend)FermoyDodder Valley SewerDrimoleague  \nWest Pier(Dun Laoghaire)Dunmanway  \n# Capacity Mapping-Dry Day\n\n%Capacity Remaining  \n95 to 100  \n90 to 95  \n60 to 90  \n30 to 60  \n30  \n0 to  \n# Capacity Mapping-Wet Day\n\n%Capacity Remaining  \n95 to 100  \n90 to 95  \n60 to 90  \n30 to 60  \n30  \n0 to  \n)","cbCaiq5yfMi7Ou3X","https://ap.wps.com/l/cbCaiq5yfMi7Ou3X","pdf",3050992,38,"English","# Drainage Plans for Growth\n## Key Challenges\n## Drainage Area Plans\n## Wastewater Network Plans\n## 4 Stages in DAP Process\n## DAP Stage 2-Asset Surveys\n## Model Verification\n## DAP Programme Tranche 1&2 (∈50M)\n## Capacity Mapping - Dry Day\n## Capacity Mapping - Wet Day","[{\"question\":\"What are the main key challenges highlighted in the drainage planning?\",\"answer\":\"The material highlights that about 40% of the network is not in GIS, around 30% is based on poor or low-confidence data, and most network model coverage is out of date or low confidence.\"},{\"question\":\"How does the DAP process proceed across stages?\",\"answer\":\"The DAP process is presented as four stages: Stage 1 data gathering, Stage 2 model build, Stage 3 risk assessment, and Stage 4 assessing options and design development.\"},{\"question\":\"What is included in DAP Stage 2 and how is the model verified?\",\"answer\":\"Stage 2 includes asset surveys such as flow monitoring, and model verification is demonstrated using rainfall intensity and flow relationships with depth-based outputs.\"}]","Drainage Plans for Growth - DAP Programme - Key Challenges & Process | PDF",96]