A new complete set of standard details has been published as of May 15, 2018. Revisions to standard details after the publish date will be noted by the revision date.
Pursuant to Edmonds Community Development Code (ECDC) 18.00.040, City of Edmonds Construction Standard Details and Specifications, hereinafter referred to as “Edmonds Standard Details”, shall apply whenever any public or private work is performed within the City of Edmonds, including work performed by private parties at their own expense. City capital improvement projects will be required to meet all the conditions within these standards unless the City Engineer approves an exception from the design standard in effect at the time of construction. Except where these Edmonds Standard Details provide otherwise, design, construction and materials shall conform to the appropriate standards of the most current edition of the following publications produced separately by Washington State Department of Transportation (WSDOT) or jointly by WSDOT and Washington State Chapter of the American Public Works Association (APWA).
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- WSDOT/APWA Standard Specifications for Road, Bridge and Municipal Construction, hereinafter referred to as “WSDOT/APWA Standard Specifications”.
- WSDOT/APWA Standard Plans for Road, Bridge and Municipal Construction, hereinafter referred to as “WSDOT/APWA Standard Plans”.
Revisions to these Edmonds Standard Details may be issued periodically by the City Engineer as necessary to make corrections or clarifications or to conform to current municipal practices, state or federal standards and new technology.
| WA-100 | WATER | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| WA-100 | FIRE HYDRANT ASSEMBLY |  |
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| WA-110A | P.R.V. (PLAN VIEW) | |
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| WA-110B | P.R.V. (PROFILE VIEW) | |
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| WA-111 | VAULT THRUST BLOCK & VAULT SEAL | |
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| WA-120 | ARV ASSEMBLY | |
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| WA-121 | BLOW-OFF ASSEMBLY | |
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| WA-130 | 3/4" - 1" WATER SERVICE INSTALLATION | 08/30/19 | |
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| WA-131 | 1-1/2" - 2" WATER SERVICE INSTALLATION | 11/05/18 | |
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| WA-132A | 3", 4" & 6" WATER SERVICE METER | |
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| WA-132B | 3", 4" & 6" WATER SERVICE METER & NOTES | |
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| WA-140 | RESIDENTIAL DOUBLE CHECK VALVE ASSEMBLY | |
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| WA-141 | 2"-3" DOUBLE CHECK DETECTOR ASSEMBLY (DCDA) (NEW) | |
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| WA-142A | COMMERCIAL MULTI-FAMILY DOUBLE CHECK DETECTOR ASSEMBLY (PLAN) | |
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| WA-142B | COMMERCIAL MULTI-FAMILY DOUBLE CHECK DETECTOR ASSEMBLY (PROFILE) | |
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| WA-150 | CONCRETE THRUST BLOCKING | |
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| WA-151 | VERTICAL BLOCKING FOR CONNECTION TO EXISTING MAIN | |
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| WA-152 | VERTICAL BLOCKING WITH RESTRAINED JOINTS FOR NEW LINES | |
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| WA-153 | CONCRETE SLOPE ANCHOR | |
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| WA-154 | PIPE CLAMP AND ANCHOR RODS FOR CONCRETE BLOCKING | |
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| WA-160A | REDUCED PRESSURE BACKFLOW ASSEMBLY 2" AND SMALLER (RPBA) | |
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| WA-160B | HOT BOX ASSEMBLY FOR REDUCED PRESSURE BACKFLOW ASSEMBLY (RPBA AND RPDA) | |
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| WA-160C | RPBA DISCHARGE RATES (FIGURE 6.8) | |
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| WA-161 | REDUCED PRESSURE DETECTOR ASSEMBLY (RPDA) 2.5" AND LARGER | |
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| WA-162 | REDUCED PRESSURE BACKFLOW ASSEMBLY (RPBA) 2.5" AND LARGER | |
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| WA-163 | SPILL RESISTANT PRESSURE VACUUM BREAKER (SVBA) | |
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| WA-164 | AIR GAP FOR MAKEUP TANK (AG) | |
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| WA-165 | ATMOSPHERIC/ANTI-SIPHON VACUUM BREAKER ASSEMBLY (AVB) 2" AND SMALLER | |
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| WA-166 | PRESSURE VACUUM BREAKER ASSEMBLY (PVBA) 2" AND SMALLER | |
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| WA-180 | FIRE LINE AND 2" DOMESTIC SERVICE CONNECTIONS | |
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| WA-181 | TYPICAL WATER VALVE CLUSTER CONNECTION | |
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| WA-182 | TAPPING TEES | |
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| WA-183 | FIRE LINE & 2" DOMESTIC SERVICE CONNECTIONS (PLAN VIEW) ZERO-SETBACK BUSINESS/COMMERCIAL ZONES | |
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| WA-184 | FIRE LINE & 2" DOMESTIC SERVICE CONNECTIONS (PLAN VIEW) ALL ZONES EXCEPT ZERO-SETBACK BUSINESS/COMMERCIAL | |
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| WA-185 | VALVE NUT EXTENSION | |
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| SS-200 | SEWER | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| SS-200 | SEWER CLEANOUT DETAILS | |
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| SS-201 | SIDE SEWER RELOCATION/REPAIR | |
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| SS-202 | NEW LATERAL SEWER | |
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| SS-210 | GRINDER PUMP SERVICE CONNECTION TO GRAVITY SEWER MAIN | |
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| SS-211 | SIDE SEWER BACKFLOW PREVENTER | |
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| SS-220 | PVC INSIDE DROP SYSTEM MANHOLE | |
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| SS-240 | SEWER BY-PASS SYSTEM | |
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| SS-241 | 24" SIMPLEX GRINDER PUMP WITH REMOTE MOUNTED CONTROL PANEL | |
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| SS-242 | 36" DUPLEX GRINDER PUMP WITH REMOTE MOUNTED CONTROL PANEL | |
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| SS-260 | 100 GALLON BAFFLE TYPE OIL/WATER SEPERATOR | |
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| SS-261 | 450-900 GALLON BAFFLE TYPE OIL/WATER SEPERATOR | |
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| SS-262 | 1100-5000 GALLON BAFFLE TYPE OIL/WATER SEPARATOR | |
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| SS-263 | GREASE INTERCEPTOR | |
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| SD-300 | STORM | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| SD-300 | CATCH BASIN, TYPE II | 11/05/18 | |
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| SD-301 | FLOW CONTROL STRUCTURE | |
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| SD-302 | CONCRETE INLET | |
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| SD-303 | CATCH BASIN TYPE I | |
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| SD-304 | CATCH BASIN TYPE I-L | |
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| SD-305 | 48" SADDLE CB FOR 24" AND SMALLER PIPE | 11/05/18 | |
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| SD-320 | STANDARD FRAME INSTALLATION | |
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| SD-321 | THROUGH-CURB INLET FRAME | |
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| SD-322 | THROUGH-CURB INLET FRAME - INSTALLATION | |
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| SD-323 | VANED GRATE | |
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| SD-324 | PARKING LOT/AREA GRATE (HERRINGBONE) | |
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| SD-330 | TRASH RACK/DEBRIS BARRIER | |
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| GU-400 | GENERAL UTILITY | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| GU-400 | TYPICAL TRENCH SECTION | |
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| GU-410 | TYPICAL HMA AND UTILITY PATCH | |
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| GU-420 | 24" MANHOLE CATCH BASIN RING AND COVER | |
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| GU-421 | TYPE I MANHOLE | 02/28/19 | |
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| GU-422 | 48" SADDLE MH FOR 24" AND SMALLER PIPE | |
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| GU-423 | STEP AND LADDER DETAIL | |
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| GU-424 | UTILITY CASTING ADJUSTMENT | |
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| GU-430 | CASING INSTALLATION | |
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| TR-500 | TRANSPORTATION | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| TR-500 | TYPICAL STREET PROFILE | |
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| TR-505 | PUBLIC STREET | 11/05/18 | |
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| TR-510 | PRIVATE STREET (1-4 LOTS) | 11/05/18 | |
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| TR-511 | PRIVATE STREETS (5-9 LOTS) | 11/05/18 | |
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| TR-514 | CUL-DE-SAC AND TURN AROUND DETAILS | |
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| TR-515 | 2" OVERLAY ADJUSTMENT RISER-BRASS CAP | |
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| TR-516 | STREET MONUMENT AND CASE | |
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| TR-520 | CONCRETE CURB AND GUTTER | 11/05/18 | |
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| TR-521 | ROLLED AND VERTICAL CURBS | 11/05/18 | |
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| TR-522 | CONCRETE EXTRUDED CURB | 12/04/18 | |
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| TR-523 | ASPHALT THICKENED EDGE | 10/14/19 | |
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| TR-524 | PRECAST CONCRETE DUAL FACED SLOPED MOUNTABLE CURB | |
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| TR-530 | ASPHALT WALKWAY | |
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| TR-531 | CONCRETE SIDEWALK | 08/29/19 | |
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| TR-540 | CURB RAMPS | |
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| TR-541 | DRIVEWAY APPROACH TYPE I | |
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| TR-542 | DRIVEWAY APPROACH TYPE II | |
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| TR-543 | DRIVEWAY APPROACH TYPE III | |
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| TR-544 | DRIVEWAY APPROACH TYPE IV | |
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| TR-545 | DRIVEWAY APPROACH TYPE V | |
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| TR-546 | DRIVEWAY APPROACH TYPE VI | |
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| TR-550 | ROOT BARRIER FOR CONCRETE/PAVED WALKWAY | |
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| TR-551 | TREE GRATE | |
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| TR-552 | HANGING FLOWER BASKET POLE | 07/03/19 | |
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| TR-560 | ROADWAY PAVEMENT MARKINGS ON LOCAL STREETS | |
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| TR-561 | ROADWAY PAVEMENT STRIPING FOR COLLECTOR AND ARTERIAL STREETS | |
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| TR-562 | CROSSWALK DETAIL | 08/29/19 | |
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| TR-563A | SPEED CUSHION | |
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| TR-563B | SPEED CUSHION SIZING DETAIL | |
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| TR-564 | SHARED LANE MARKINGS | |
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| TR-565 | BICYCLE LANE CHANNELIZATION | 09/10/19 | |
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| TR-566 | PAVEMENT ARROW MARKINGS | 11/05/18 | |
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| TR-567 | FIRE LANE SPECIFICATIONS (MULTI-FAMILY AND COMMERCIAL) | |
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| TR-570 | STREET NAME SIGN AND FIRE-AID ADDRESS AND POST MOUNTING DETAIL | 11/05/18 | |
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| TR-571 | SIGN POST INSTALLATION IN NON-SIDEWALK AREA | 11/05/18 | |
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| TR-572 | SIGN POST INSTALLATION IN SIDEWALK AREA | |
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| TR-573 | END OF ROADWAY DELINEATION | |
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| TR-574 | CONSTRUCTION NOTICE SIGNAGE (CAPITAL IMPROVEMENTS) | |
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| TR-575 | TRAFFIC STREET SIGNS | 08/29/19 | |
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| TR-580 | MAILBOX DETAIL 1 | |
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| TR-581 | MAILBOX DETAIL 1A | |
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| TR-582 | MAILBOX DETAIL 2 | |
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| TR-583 | METAL SAFETY RAILING | |
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| TR-584 | CHAIN LINK FENCE | |
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| TR-590 | SIGHT DISTANCE - SETBACK LINES | |
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| TR-591 | TRAFFIC CONTROL DEVICES | |
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| SD-600 | LID STORM | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| SD-600 | GREEN STORMWATER INFRASTRUCTURE COVER SHEET | |
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| SD-601 | TYPICAL RAIN GARDEN PLAN | |
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| SD-602 | TYPICAL RAIN GARDEN SECTION | |
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| SD-603 | TYPICAL RAIN GARDEN PIPED INLET | |
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| SD-604 | TYPICAL RAIN GARDEN SWALE INLETS | |
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| SD-605 | TYPICAL RAIN GARDEN OUTLETS | |
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| SD-611 | BIORETENTION PLAN/SECTION | |
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| SD-612 | BIORETENTION SECTION | |
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| SD-613 | BIORETENTION SECTION WITH UNDERDRAIN | |
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| SD-614 | BIORETENTION ROCK CHECK DAM | |
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| SD-615 | OVERFLOW OUTLET STRUCTURE - OPT. 1 | |
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| SD-616 | OVERFLOW OUTLET STRUCTURE - OPT. 2 | |
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| SD-618 | SLOTTED PVC UNDERDRAIN PIPE | |
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| SD-619 | STORM DRAINAGE CLEANOUT | |
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| SD-621 | TYPICAL POROUS ASPHALT PAVEMENT | |
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| SD-622 | TYPICAL PERVIOUS CONCRETE PAVEMENT | |
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| SD-623 | TYPICAL PERMEABLE UNIT PAVER SYSTEM | |
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| SD-624 | TYPICAL PERMEABLE GRASS PAVER SYSTEM | |
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| SD-625 | EDGE TREATMENTS AT LANDSCAPE INTERFACE | |
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| SD-626 | EDGE TREATMENTS AT PAVER INTERFACE | |
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| SD-627 | PERMEABLE PAVEMENT SUBSURFACE CHECK DAMS | |
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| SD-628 | PERMEABLE PAVEMENT UDERDRAIN WITH CONTROL STRUCTURE | |
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| SD-631 | TYPICAL DOWNSPOUT DISPERSION | |
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| SD-632 | TYPICAL DISPERSION TRENCH WITH NOTCHED GRADE BOARD | |
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| SD-633 | TYPICAL DOWNSPOUT DISPERSION SPLASHBLOCK | |
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| SD-634 | TYPICAL CONCENTRATED FLOW DISPERSION | |
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| SD-635 | TYPICAL SHEET FLOW DISPERSION | |
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| SD-636 | TYPICAL DOWNSPOUT INFILTRATION TRENCH | |
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| SD-637 | TYPICAL ROOF DOWNSPOUT GRAVELLESS CHAMBER | |
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| SD-638 | TYPICAL DOWNSPOUT INFILTRATION DRYWELL | |
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| SD-639 | TYPICAL PERFORATED STUB-OUT CONNECTION | 11/05/18 | |
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| SD-641 | BIORETENTION AND RAIN GARDEN PLANTING ZONES | |
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| SD-642 | POST CONSTRUCTION SOIL QUALITY AND DEPTH | |
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| TR-600 | LID TRANSPORTATION | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| TR-601 | BIORETENTION RIGHT-OF-WAY CURB BULB PLAN | |
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| TR-602 | BIORETENTION CURB CUT | |
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| TR-603 | CURB BULB CURB CUT | |
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| TR-604 | BIORETENTION PRESETTLING CELL | |
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| TR-605 | TREE PLANTING PLAN IN BIORETENTION CELL | |
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| TR-606 | EDGE TREATMENTS AT PAVEMENT INTERFACE | |
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| ER-900 | EROSION CONTROL | ||||
| REVISION DATE | DOWNLOAD FILE | |||
| ER-900 | FILTER FABRIC FENCE FILTRATION SYSTEMS | |
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| ER-901 | STABALIZED CONSTRUCTION ENTRANCE | |
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| ER-902 | TEMPORARY SEDIMENT TRAP FOR CATCH BASINS | |
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| ER-903 | WATTLE INSTALLATION | |
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The City Engineer is hereby delegated the authority to allow minor deviations to these standards after review of evidence submitted by the developer, establishing that such modifications are equal to or better than the requirements in these standards, that they are in the public interest, that they are based upon sound engineering practices and judgment, and that requirements for safety, function, appearance and maintainability are fully met. Such deviations from the standards must be submitted, reviewed and approved in writing by the City Engineer prior to construction. The City Engineer will make the decision as to whether a requested deviation or alternative will be allowed.