2024 Surface Water Engineering Standards Details | City of Bellevue

2024 Surface Water Engineering Standards

Individual Details

D-1: Concrete Inlet

D-2: Catch Basin Type 1

D-3: Catch Basin Type 1-L

D-3A: Catch Basin Type 1-P

D-4: Catch Basin Type 2

D-5: Ladder, Step, and Top Slab, Details

D-6: Vaned Grate

D-7: Parking Lot Area Grate

D-8: Solid Cover

D-9: Standard Frame Installation

D-10: Through-Curb Inlet Frame

D-11: Through-Curb Inlet Frame Installation

D-12: Frame & Grate for Existing Rolled Curb

D-13: Existing Rolled Curb Frame & Grate Installation

D-14: Grate for Existing Rolled Curb Installation

D-15: Conversion Riser for Catch Basin Type 1-L

D-16: Area Inlet

D-17: Manhole Type 1

D-18: Manhole Type 2

D-19: Manhole Type 3

D-20: Manhole Type 4

D-21: 24in Manhole Ring and Cover

D-22: 24in Bolt-Locking Manhole Ring & Cover

D-23: Manhole Catch Basin Adjustment Detail

D-24: Corrugated Metal Manhole

D-25: Typical Trench Detail

D-25A: Pipe Zone Bedding

D-26: Flow Control Structure

D-27: Pivoting Shear Gate Detail

D-28: Screw-Type Shear Gate

D-29: Shear Gate Valve Vault

D-29A: Valve Box and Extension Installation

D-29B: Valve Operating Extension

D-30: Dry Detention Pond

D-30A: Water Quality Pond

D-31: Detention Pipe

D-32: Detention Vault

D-33: Tapping Tees for Drainpipe

D-34: Beveled End Pipe Section

D-35: Rock-Lined Ditches

D-36: Grass-Lined Ditches

D-37: Sidewalk Drain

D-38: Energy Dissipator

D-39: Debris Cage

D-42: Spill Control (SC) Separator - Type 1

D-43: Spill Control (SC) Separator - Type 2

D-43A: Spill Control (SC) Separator - Type 3

D-44: Drainage Facility Maintenance Access

D-45: Gate Bollard Placement

D-46: Pipe Bedding

D-47: Runoff Treatment Vault (Wet Vault)

D-48: Combined Vault (Detention and Runoff Treatment)

D-49: Sump with Riser Pipe

D-50: (Not used)

D-51: Traffic Bearing Access for Corrugated Metal Manhole

D-52: Clean Out to Grade

D-53: Trash Rack Debris Barrier

D-54: Soil Cement Pipe Anchors

D-55: (Not used)

D-56: Casing Installation

D-57: Pipe Stake Anchor Assembly

D-58: Driveway Culvert

D-59: Rock Protection Outfall

D-60: Bird Cage Trash Rack Structure

NDP-1: Amended Soils

NDP-2: Bioretention Cell

NDP-3: Bioretention Swale

NDP-4: Bioretention Planter - with Underdrain

NDP-4A: Bioretention Planter - Infiltration

NDP-5: Bioretention Planter - Underdrain and Overflow Connected to Storm System

NDP-6: Bioretention Overflow with Conveyance Furrow

NDP-7: Bioretention Overflow with Pipe Culvert

NDP-8: Overflow Configurations for Bioretention

NDP-9: Observation Port for Bioretention

NDP-10: Drain Curb Cut Opening for Bioretention

NDP-11: Porous Asphalt or Pervious Concrete Pavement Section

NDP-11A: Pervious Asphalt or Concrete Pavement Section

NDP-12: Permeable Paver Systems

NDP-13: Permeable Pavement Sidewalk in Planting Strip

NDP-14: Permeable Pavement Sidewalk

NDP-15: Check Dam and Interceptor for Previous Pavement on Slopes

NDP-16: Observation Port for Permeable Pavement

NDP-17: Observation Port Covers for Permeable Pavement

NDP-18: Rain Recycling System - Rain Barrel

NDP-19: Rain Recycling System - Cistern

NDP-20: Pop-Up Drainage Emitter

NDP-21: Reverse Slope Sidewalk

NDP-22: Roof Downspout Dispersal Trench Detail

NDP-23: Roof Downspout Infiltration Trench

NDP-25: Residential Roof Downspout Perforated Pipe Connection