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  • F.9 Green Roofs | Philadelphia Water Stormwater Plan Review
    5 5 1 1 Coordinating Inspections with Other PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction Stormwater Management Plan Report Requirements Table E 8 Record Drawing Requirements Back to Appendices F 1 Stormwater Regulation Compliance F 2 Post Construction Stormwater Management Plan F 3 Erosion and Sediment Control F 4 Disconnected Impervious Cover F 5 Infiltration Testing and Soil Assessment F 6 Hydrologic Model and Calculation Methods F 7 Bioinfiltration Bioretention F 8 Porous Pavement F 9 Green Roofs F 10 Subsurface Infiltration F 11 Cisterns F 12 Blue Roofs F 13 Ponds and Wet Basins F 14 Subsurface Detention F 15 Media Filters F 16 Pretreatment F 17 Inlet Controls F 18 Outlet Controls Back to Chapters Download Full Manual 80 mb Download Appendices 44 mb Download Design Guidance Checklists F 9 Green Roofs F 9 1 Green Roof Plan Standards Verify that the plans include an appropriate sequence of construction that is specific to the construction of the green roof Refer to Section 4 3 5 for guidance Section 2 3 1 Verify that the plans include an appropriate cross sectional detail for the green roof Section 2 3 1 Verify that a roof drainage plan is provided and that the roof drainage is consistent with the green roof design Appendix E Table E 7 F 9 2 Green Roof Design Standards Verify that runoff from impervious roof area onto the green roof is dispersed evenly across the green roof surface and passes through the growing medium either by sheet flow or a level spreading device Section 4 3 3 1 Verify that the flow path of runoff across the green roof surface is greater than or equal to the contributing DCIA length Section 4 3

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.9-green-roofs (2016-04-24)
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  • F.10 Subsurface Infiltration | Philadelphia Water Stormwater Plan Review
    Design Standards 4 9 4 Media Filter Material Standards 4 9 5 Media Filter Construction Guidance 4 9 6 Media Filter Maintenance Guidance Back to Chapter 4 4 10 1 Pretreatment Introduction 4 10 2 Berms and Retentive Grading 4 10 3 Filter Strips 4 10 4 Forebays 4 10 5 Swales Back to Chapter 4 4 11 1 Inlet Control Introduction 4 11 2 Flow Splitters 4 11 3 Curbless Design Curb Openings 4 11 4 Energy Dissipaters 4 11 5 Inlets Back to Chapter 4 4 12 1 Outlet Control Introduction 4 12 2 Orifices 4 12 3 Weirs 4 12 4 Risers 4 12 5 Underdrains 4 12 6 Level Spreaders 4 12 7 Impervious Liners 4 12 8 Micro Siphon Drain Belts 4 12 9 Low Flow Devices Back to Chapters 5 0 Introduction 5 1 Construction Inspection 5 2 Common Construction Issues 5 3 Construction Documentation Back to Chapter 5 5 1 1 Coordinating Inspections with Other PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction Stormwater Management Plan Report Requirements Table E 8 Record Drawing Requirements Back to Appendices F 1 Stormwater Regulation Compliance F 2 Post Construction Stormwater Management Plan F 3 Erosion and Sediment Control F 4 Disconnected Impervious Cover F 5 Infiltration Testing and Soil Assessment F 6 Hydrologic Model and Calculation Methods F 7 Bioinfiltration Bioretention F 8 Porous Pavement F 9 Green Roofs F 10 Subsurface Infiltration F 11 Cisterns F 12 Blue Roofs F 13 Ponds and Wet Basins F 14 Subsurface Detention F 15 Media Filters F 16 Pretreatment F 17 Inlet Controls F 18 Outlet Controls Back to Chapters Download Full Manual 80 mb Download Appendices 44 mb Download Design Guidance Checklists F 10 Subsurface Infiltration F 10 1 Subsurface Infiltration Plan Standards Verify that the plans include an appropriate sequence of construction that is specific to the construction of the subsurface infiltration SMP Refer to Section 4 4 5 for guidance Section 2 3 1 To avoid soil disturbance and compaction during construction verify that the infiltration area is proposed to be clearly marked before any site work begins Section 4 4 5 1 Verify that the plans include an appropriate cross sectional detail for the subsurface infiltration SMP Section 2 3 1 F 10 2 Subsurface Infiltration Design Standards Verify that the SMP drains within the acceptable 72 hour period Section 4 4 3 1 Verify that the loading ratio of DCIA to the horizontal footprint of the subsurface infiltration SMP does not exceed 8 1 Section 4 4 3 2 Verify that positive overflow is provided for large storm events up to and including the 100 year 24 hour storm event Section 4 4 3 3 Verify that overflow structures and pipes are designed to convey at least the ten year 24 hour storm event Section 4 4 3 3 Verify that the subsurface infiltration SMP is located at least ten feet from any adjacent private property line not abutting a public right of way street unless a deed restriction is put in place extending at least ten feet from the perimeter of the infiltrating SMP Section 4 4 3 4 Verify that the subsurface infiltration SMP is located at least ten feet from any building foundation Section 4 4 3 5 Verify that the invert elevation of the subsurface infiltration SMP is at least two feet above any poorly infiltrating soils seasonal high groundwater table bedrock or other limiting zone Section 4 4 3 6b For hydrologic modeling verify that the design infiltration rate is applied to the horizontal surface area SMP footprint not the wetted area Section 4 4 3 6c Verify that the soils underlying the subsurface infiltration SMP are determined to be infiltration feasible Section 4 4 3 6d Verify that any soils with test infiltration rates in excess of ten inches per hour are proposed to receive soil amendments Section 4 4 3 6e Verify that pretreatment is provided for all runoff entering the subsurface infiltration SMP including pretreatment of runoff from all inlets At a minimum this can be achieved through the use of sumps and traps for inlets sump boxes with traps downstream of trench drains and filter strips for overland flow Section 4 4 3 8 Verify that the storage area provides static storage for the Water Quality Volume WQv between the bottom elevation of the subsurface infiltration SMP and the elevation of the lowest outlet including storage voids Section 4 4 3 11 Verify that the maximum storage volume statically stored within the subsurface infiltration SMP without supporting documentation defined below is the runoff volume from the one year 24 hour storm event Section 4 4 3 12 Verify that the maximum storage

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.10-subsurface-infiltration (2016-04-24)
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  • F.11 Cisterns | Philadelphia Water Stormwater Plan Review
    PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction Stormwater Management Plan Report Requirements Table E 8 Record Drawing Requirements Back to Appendices F 1 Stormwater Regulation Compliance F 2 Post Construction Stormwater Management Plan F 3 Erosion and Sediment Control F 4 Disconnected Impervious Cover F 5 Infiltration Testing and Soil Assessment F 6 Hydrologic Model and Calculation Methods F 7 Bioinfiltration Bioretention F 8 Porous Pavement F 9 Green Roofs F 10 Subsurface Infiltration F 11 Cisterns F 12 Blue Roofs F 13 Ponds and Wet Basins F 14 Subsurface Detention F 15 Media Filters F 16 Pretreatment F 17 Inlet Controls F 18 Outlet Controls Back to Chapters Download Full Manual 80 mb Download Appendices 44 mb Download Design Guidance Checklists F 11 Cisterns F 11 1 Cistern Plan Standards Verify that the plans include an appropriate sequence of construction that is specific to the construction of the cistern Refer to Section 4 5 5 for guidance Section 2 3 1 Verify that the plans include an appropriate cross sectional detail for the cistern Section 2 3 1 F 11 2 Cistern Design Standards Verify that irrigation as a use for runoff stored in a cistern is not a proposed strategy for meeting the Stormwater Regulations Section 4 5 1 Verify that the time for drain down withdrawal from the cistern for any portion of storage intended to meet the Water Quality requirement is within the acceptable 72 hour period If the water demand fluctuates seasonally verify that the cistern drains within 72 hours based on usage in all seasons Section 4 5 3 1 Verify that positive overflow is provided for large storm events up to and including the 100 year 24 hour storm event

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.11-cisterns (2016-04-24)
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  • F.12 Blue Roofs | Philadelphia Water Stormwater Plan Review
    4 4 7 1 Pond and Wet Basin Introduction 4 7 2 Pond and Wet Basin Components 4 7 3 Pond and Wet Basin Design Standards 4 7 4 Pond and Wet Basin Material Standards 4 7 5 Pond and Wet Basin Construction Guidance 4 7 6 Pond and Wet Basin Maintenance Guidance Back to Chapter 4 4 8 1 Subsurface Detention Introduction 4 8 2 Subsurface Detention Components 4 8 3 Subsurface Detention Design Standards 4 8 4 Subsurface Detention Material Standards 4 8 5 Subsurface Detention Construction Guidance 4 8 6 Subsurface Detention Maintenance Guidance Back to Chapter 4 4 9 1 Media Filter Introduction 4 9 2 Media Filter Components 4 9 3 Media Filter Design Standards 4 9 4 Media Filter Material Standards 4 9 5 Media Filter Construction Guidance 4 9 6 Media Filter Maintenance Guidance Back to Chapter 4 4 10 1 Pretreatment Introduction 4 10 2 Berms and Retentive Grading 4 10 3 Filter Strips 4 10 4 Forebays 4 10 5 Swales Back to Chapter 4 4 11 1 Inlet Control Introduction 4 11 2 Flow Splitters 4 11 3 Curbless Design Curb Openings 4 11 4 Energy Dissipaters 4 11 5 Inlets Back to Chapter 4 4 12 1 Outlet Control Introduction 4 12 2 Orifices 4 12 3 Weirs 4 12 4 Risers 4 12 5 Underdrains 4 12 6 Level Spreaders 4 12 7 Impervious Liners 4 12 8 Micro Siphon Drain Belts 4 12 9 Low Flow Devices Back to Chapters 5 0 Introduction 5 1 Construction Inspection 5 2 Common Construction Issues 5 3 Construction Documentation Back to Chapter 5 5 1 1 Coordinating Inspections with Other PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.12-blue-roofs (2016-04-24)
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  • F.13 Ponds and Wet Basins | Philadelphia Water Stormwater Plan Review
    Pond and Wet Basin Material Standards 4 7 5 Pond and Wet Basin Construction Guidance 4 7 6 Pond and Wet Basin Maintenance Guidance Back to Chapter 4 4 8 1 Subsurface Detention Introduction 4 8 2 Subsurface Detention Components 4 8 3 Subsurface Detention Design Standards 4 8 4 Subsurface Detention Material Standards 4 8 5 Subsurface Detention Construction Guidance 4 8 6 Subsurface Detention Maintenance Guidance Back to Chapter 4 4 9 1 Media Filter Introduction 4 9 2 Media Filter Components 4 9 3 Media Filter Design Standards 4 9 4 Media Filter Material Standards 4 9 5 Media Filter Construction Guidance 4 9 6 Media Filter Maintenance Guidance Back to Chapter 4 4 10 1 Pretreatment Introduction 4 10 2 Berms and Retentive Grading 4 10 3 Filter Strips 4 10 4 Forebays 4 10 5 Swales Back to Chapter 4 4 11 1 Inlet Control Introduction 4 11 2 Flow Splitters 4 11 3 Curbless Design Curb Openings 4 11 4 Energy Dissipaters 4 11 5 Inlets Back to Chapter 4 4 12 1 Outlet Control Introduction 4 12 2 Orifices 4 12 3 Weirs 4 12 4 Risers 4 12 5 Underdrains 4 12 6 Level Spreaders 4 12 7 Impervious Liners 4 12 8 Micro Siphon Drain Belts 4 12 9 Low Flow Devices Back to Chapters 5 0 Introduction 5 1 Construction Inspection 5 2 Common Construction Issues 5 3 Construction Documentation Back to Chapter 5 5 1 1 Coordinating Inspections with Other PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction Stormwater Management Plan Report Requirements Table E 8 Record Drawing Requirements Back to Appendices F 1 Stormwater Regulation Compliance F 2 Post Construction Stormwater Management Plan F 3 Erosion

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.13-ponds-and-wet-basins (2016-04-24)
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  • F.14 Subsurface Detention | Philadelphia Water Stormwater Plan Review
    11 3 Curbless Design Curb Openings 4 11 4 Energy Dissipaters 4 11 5 Inlets Back to Chapter 4 4 12 1 Outlet Control Introduction 4 12 2 Orifices 4 12 3 Weirs 4 12 4 Risers 4 12 5 Underdrains 4 12 6 Level Spreaders 4 12 7 Impervious Liners 4 12 8 Micro Siphon Drain Belts 4 12 9 Low Flow Devices Back to Chapters 5 0 Introduction 5 1 Construction Inspection 5 2 Common Construction Issues 5 3 Construction Documentation Back to Chapter 5 5 1 1 Coordinating Inspections with Other PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction Stormwater Management Plan Report Requirements Table E 8 Record Drawing Requirements Back to Appendices F 1 Stormwater Regulation Compliance F 2 Post Construction Stormwater Management Plan F 3 Erosion and Sediment Control F 4 Disconnected Impervious Cover F 5 Infiltration Testing and Soil Assessment F 6 Hydrologic Model and Calculation Methods F 7 Bioinfiltration Bioretention F 8 Porous Pavement F 9 Green Roofs F 10 Subsurface Infiltration F 11 Cisterns F 12 Blue Roofs F 13 Ponds and Wet Basins F 14 Subsurface Detention F 15 Media Filters F 16 Pretreatment F 17 Inlet Controls F 18 Outlet Controls Back to Chapters Download Full Manual 80 mb Download Appendices 44 mb Download Design Guidance Checklists F 14 Subsurface Detention F 14 1 Subsurface Detention Plan Standards Verify that the plans include an appropriate sequence of construction that is specific to the construction of the subsurface detention SMP Refer to Section 4 8 5 for guidance Section 2 3 1 Verify that the plans include an appropriate cross sectional detail for the subsurface detention SMP Section 2 3 1 F 14 2 Subsurface Detention Design Standards Verify

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.14-subsurface-detention (2016-04-24)
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  • F.15 Media Filters | Philadelphia Water Stormwater Plan Review
    4 12 2 Orifices 4 12 3 Weirs 4 12 4 Risers 4 12 5 Underdrains 4 12 6 Level Spreaders 4 12 7 Impervious Liners 4 12 8 Micro Siphon Drain Belts 4 12 9 Low Flow Devices Back to Chapters 5 0 Introduction 5 1 Construction Inspection 5 2 Common Construction Issues 5 3 Construction Documentation Back to Chapter 5 5 1 1 Coordinating Inspections with Other PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction Stormwater Management Plan Report Requirements Table E 8 Record Drawing Requirements Back to Appendices F 1 Stormwater Regulation Compliance F 2 Post Construction Stormwater Management Plan F 3 Erosion and Sediment Control F 4 Disconnected Impervious Cover F 5 Infiltration Testing and Soil Assessment F 6 Hydrologic Model and Calculation Methods F 7 Bioinfiltration Bioretention F 8 Porous Pavement F 9 Green Roofs F 10 Subsurface Infiltration F 11 Cisterns F 12 Blue Roofs F 13 Ponds and Wet Basins F 14 Subsurface Detention F 15 Media Filters F 16 Pretreatment F 17 Inlet Controls F 18 Outlet Controls Back to Chapters Download Full Manual 80 mb Download Appendices 44 mb Download Design Guidance Checklists F 15 Media Filters F 15 1 Media Filter Plan Standards Verify that the plans include an appropriate sequence of construction that is specific to the construction of the media filter Refer to Section 4 9 5 for guidance Section 2 3 1 Verify that the plans include an appropriate cross sectional detail for the media filter Section 2 3 1 F 15 2 Media Filter Design Standards Verify that the following information is submitted for each proposed media filter as part of the applicant s Post Construction Stormwater Management Plan PCSMP Review Phase Submission Package Section 4 9 3 1 Inflow and outflow event mean concentrations and percent removals for Total Suspended Solids TSS for sand media filters Designs must demonstrate a maximum effluent event mean concentration EMC of 15 milligrams per liter for TSS at a point of analysis POA downstream of the SMP Third party certifications for proprietary media filters Hydrologic and hydraulic model files if applicable Product specifications for proprietary media filters Manufacturer s guidelines for installation for proprietary media filters Construction sequence and Maintenance requirements including product life and replacement schedule if applicable For proprietary media filters verify the following Verify that the manufacturer s design guidance for appropriate pretreatment is followed Section 4 9 3 7 Verify that the manufacturer s design guidance for inlet control configuration is followed Section 4 9 3 9 Verify that the manufacturer s design guidance for filter sizing is followed Section 4 9 3 11 Verify that the manufacturer s design guidance for outlet control configuration is followed Section 4 9 3 22 Verify that the manufacturer s design guidance for inspection and maintenance access is followed Section 4 9 3 27 Verify that the SMP drains within the acceptable 72 hour period Section 4 9 3 2 Verify that the filter footprint is sized pursuant to the filter media flow through rate Section 4 9 3 3 Verify that positive overflow is provided for large storm events up to and including the 100 year 24 hour storm event Section 4 9 3 4 Verify that overflow structures and pipes are designed to convey at least the ten year 24 hour storm event Section 4 9 3 4 Verify that proposed filters without detention are able to convey the ten year 24 hour storm event Section 4 9 3 5 Verify that proposed filters with detention are designed to safely store and or convey the 100 year 24 hour storm event Section 4 9 3 6 Verify that pretreatment is provided for all runoff entering the media filter including pretreatment of runoff from all inlets At a minimum this can be achieved through the use of sumps and traps Section 4 9 3 8 Verify that the filter system provides enough storage to allow the Water Quality storm to flow through the filter media Upstream SMPs can be used to store this flow Section 4 9 3 12 Verify that when SMPs are used in series the storage areas for all SMPs provide cumulative static storage for the Water Quality Volume WQv Section 4 9 3 13 Verify that the porosity values used for storage volume calculations are as follows Section 4 9 3 15 Soil media 0 20 Sand 0 30 Stone 0 40 Porosity values of any proprietary rapid media should be obtained from the appropriate manufacturer Verify that filters have a minimum surface area as computed by the following equation Section 4 9 3 16a Where Af surface area of the filter square feet WQv Water Quality Volume the 1 5

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.15-media-filters (2016-04-24)
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  • F.16 Pretreatment | Philadelphia Water Stormwater Plan Review
    Risers 4 12 5 Underdrains 4 12 6 Level Spreaders 4 12 7 Impervious Liners 4 12 8 Micro Siphon Drain Belts 4 12 9 Low Flow Devices Back to Chapters 5 0 Introduction 5 1 Construction Inspection 5 2 Common Construction Issues 5 3 Construction Documentation Back to Chapter 5 5 1 1 Coordinating Inspections with Other PWD Units 5 1 2 Preconstruction Processes 5 1 3 Construction Processes 5 1 4 Final Inspection 5 1 5 Post Construction Submissions Back to Chapter 5 5 2 1 Erosion and Sediment Related Construction Issues 5 2 2 Stormwater Management Practice Related Construction Issues Back to Chapter 5 5 3 1 Construction Certification Package 5 3 2 Record Drawings Back to Chapters 6 0 Introduction 6 1 Operations and Maintenance 6 2 Stormwater Management Practice Inspection Guidance 6 3 Stormwater Credits Program Back to Chapter 6 6 1 1 Maintenance Requirements for Property Owners 6 1 2 Operations and Maintenance Agreements Back to Chapter 6 6 2 1 PWD Inspections and Enforcement 6 2 2 Property Owner Inspections Back to Chapters Appendix Index A Glossary B Abbreviations C PWD Stormwater Regulations D Watershed Maps E Plan and Report Checklists F Design Guidance Checklists G Worksheets and Infiltration Waiver H Infiltration Testing Log I Landscape Guidance J Construction Certification Package K Record Drawing Sample Back to Appendices Table E 1 General Plan Sheet Requirements Table E 2 Existing Conditions Plan Requirements Table E 3 Conceptual Stormwater Management Plan Requirements Table E 4 Erosion and Sediment Control Plan Requirements Table E 5 Standard Erosion and Sediment Control Notes Table E 6 Standard Sequence of Construction Notes Table E 7 Post Construction Stormwater Management Plan Report Requirements Table E 8 Record Drawing Requirements Back to Appendices F 1 Stormwater Regulation Compliance F 2 Post Construction Stormwater Management Plan F 3 Erosion and Sediment Control F 4 Disconnected Impervious Cover F 5 Infiltration Testing and Soil Assessment F 6 Hydrologic Model and Calculation Methods F 7 Bioinfiltration Bioretention F 8 Porous Pavement F 9 Green Roofs F 10 Subsurface Infiltration F 11 Cisterns F 12 Blue Roofs F 13 Ponds and Wet Basins F 14 Subsurface Detention F 15 Media Filters F 16 Pretreatment F 17 Inlet Controls F 18 Outlet Controls Back to Chapters Download Full Manual 80 mb Download Appendices 44 mb Download Design Guidance Checklists F 16 Pretreatment F 16 1 Berm and Retentive Grading Design and Material Standards Verify that the plans include an appropriate sequence of construction that is specific to the construction of the berm Refer to Section 4 10 2 for guidance Section 2 3 1 Verify that the maximum ponding depth within the SMP does not exceed two feet Section 4 10 2 1 Verify that berm side slopes do not exceed a 2 H 1 V ratio The recommended side slope is 3 H 1 V Section 4 10 2 2 Verify that the plans specify that the top four to eight inches at minimum of

    Original URL path: http://www.pwdplanreview.org/manual/appendices/f.-design-guidance-checklist/f.16-pretreatment (2016-04-24)
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