• 2021 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 48”, 54”, 60”, 72”, & 96”

    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 48”, 54”, & 60”

    D-18  MANHOLE TYPE 2 72” & 96”

    D-19  MANHOLE TYPE 3 48”, 54”, 60”, 72” & 96”

    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-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 DRAIN PIPE 

    D-34 BEVELED END PIPE SECTION 

    D-35 ROCK-LINED DITCHES 

    D-36 GRASS-LINED DITCH 

    D-37 SIDEWALK DRAIN 

    D-38 ENERGY DISSIPATOR 

    D-39 DEBRIS CAGE 

    D-40 (NOT USED)

    D-41 (NOT USED)

    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 PERMEABLE 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 

    NDP-23 ROOF DOWNSPOUT INFILTRATION TRENCH 

    NDP-24 (NOT USED)

    NDP-25 RESIDENTIAL ROOF DOWNSPOUT PERFORATED PIPE CONNECTION