2023 Surface Water Engineering Standards Details | City of Bellevue

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2023 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 24" Manhole Ring and Cover

D-22 24" Bolt-Locking Manhole Ring & Cover

D-23 Manhole/Catch Basin Adjustment Detail

D-24 Corrugated Metal Manhole

D-25 Typical Trench Detail

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 Drain Pipe

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-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-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