Standard Details

The Construction Standard Details provide the minimum standards for private and public improvements. Items or situations not included in these Standard Details shall be subject to the approval of Washoe County and designed in accordance with accepted engineering practices and the "Standard Specifications for Public Works Construction."

Questions concerning specific changes in these Standard Details or situations not applicable to these minimum standards shall be directed to Washoe County Community Services Department, Engineering & Capital Projects Division at (775) 328-2040. There may be additional details that require approval. This will be updated periodically.

The Standard Details can be downloaded using the following links:

Table of Contents PDF DWG
Standard Content Legend PDF DWG
Download Entire Set PDF DWG

+ Section 100 - General Surface Improvements

PDF   DWG   W-101A Roadway Section Arterial Highways
PDF   DWG   W-101B Roadway Section Arterial Highways (Notes)
PDF   DWG   W-102A Roadway Section Urban/Suburban Areas <0.5 AC
PDF   DWG   W-102B Roadway Section Urban/Suburban Areas <0.5 AC (Notes)
PDF   DWG   W-103A Roadway Section Suburban Areas 0.5-1.5 AC
PDF   DWG   W-103B Roadway Section Suburban Areas 0.5-1.5 AC (Notes)
PDF   DWG   W-104A Roadway Section Rural/Suburban Areas >1.5 AC
PDF   DWG   W-104B Roadway Section Rural/Suburban Areas >1.5 AC (Notes)
PDF   DWG   W-105A Roadway Section Commercial Collector
PDF   DWG   W-105B Roadway Section Commercial Collector (Notes)
PDF   DWG   W-106A Roadway Section Private Roadway Urban/Suburban <0.5 AC
PDF   DWG   W-106B Roadway Section Private Roadway Urban/Suburban < 0.5 AC (Notes)
PDF   DWG   W-107A Roadway Section Private Roadway Urban/Suburban >0.5 AC
PDF DWG W-107B Roadway Section Private Roadway Urban/Suburban >0.5 AC (Notes)
PDF   DWG   W-108 Permanent Emergency Access Road
PDF   DWG   W-109 Roundabout
PDF   DWG   W-110A Landscape Island
PDF   DWG   W-110B Landscape Island (Notes)
PDF   DWG   W-111A Cul-de-sac
PDF   DWG   W-111B Cul-de-sac (Notes)
PDF DWG W-112A Cul-de-sac, Private Streets Only
PDF DWG W-112B Cul-de-sac, Private Streets Only (Notes)
PDF   DWG   W-113A Transit Bus Turnout
PDF DWG W-113B Eclipse Style Transit Shelter
PDF   DWG   W-113C Eclipse Style Transit Shelter
PDF   DWG   W-113D 6FT Rolled Bench with Back Surface Mount - Expanded Metal
PDF   DWG   W-113E Bus Stop Shelter Pad
PDF   DWG   W-114 Bus Turnout Structural
PDF   DWG   W-121A Permanent Pavement Patch
PDF   DWG   W-121B Permanent Pavement Patch (Notes)
PDF   DWG   W-122 Temporary AC Patch
PDF   DWG   W-130A Chamfered Curb & Gutter
PDF   DWG   W-130B Chamfered Curb & Gutter (Notes)
PDF   DWG   W-131A Type 1 P.C.C. Curb & Gutter
PDF   DWG   W-131B Type 1 P.C.C. Curb & Gutter (Notes)
PDF   DWG   W-132A P.C.C. Sidewalk
PDF   DWG   W-132B P.C.C. Sidewalk (Notes)
PDF   DWG   W-133A Pedestrian Ramp for the Disabled
PDF   DWG   W-133B Pedestrian Ramp for the Disabled (Notes)
PDF   DWG   W-134A P.C.C. Valley Gutter
PDF   DWG   W-134B P.C.C. Valley Gutter (Notes)
PDF   DWG   W-135A Monolithic Curb & Gutter and Sidewalk
PDF   DWG   W-135B Monolithic Curb & Gutter and Sidewalk (Notes)
PDF   DWG   W-136 Retrofit Curb & Gutter
PDF   DWG   W-137 P.C.C. Median Curb
PDF   DWG   W-141 Driveway Geometrics
PDF   DWG   W-142A P.C.C. Driveway Apron w/ Sidewalk
PDF   DWG   W-142B P.C.C. Driveway Apron w/o Sidewalk
PDF   DWG   W-142C P.C.C. Driveway Apron w/ex Adjacent Sidewalk
PDF   DWG   W-142D P.C.C. Driveway Apron (Notes)
PDF   DWG   W-143A Asphalt and Gravel Driveway Aprons, No Curb and Gutter
PDF   DWG   W-143B Asphalt and Gravel Driveway Aprons, No Curb and GutterSubdrain
PDF   DWG   W-144 Private Driveway Concrete or Asphalt
PDF   DWG   W-151A Monuments
PDF   DWG   W-151B Monuments (Notes)
PDF   DWG   W-152A Steel Cattle Guard
PDF   DWG   W-152B Steel Cattle Guard (Notes)

+ Section 200 - Sanitary Sewer & Storm Drain Improvements

PDF   DWG   W-201A Drainage Channel
PDF   DWG   W-201B Drainage Channel (Notes)
PDF   DWG   W-202A Lot Line Drainage Swale, Private
PDF   DWG   W-202B Lot Line Drainage Swale, Private (Notes)
PDF   DWG   W-203 Subdrain
PDF   DWG   W-204A Trench Excavation & Backfill, Storm & Sewer
PDF   DWG   W-204B Trench Excavation & Backfill, Storm & Sewer (Notes)
PDF   DWG   W-205 Utility Main Locations
PDF   DWG   W-206A Water & Sewer Separations
PDF   DWG   W-206B Water & Sewer Separations (Notes)
PDF   DWG   W-206C Water & Sewer Separations (Notes)
PDF DWG W-207 Trench Detail Sanitary Sewer
PDF   DWG   W-210A Catch Basin Type 1
PDF   DWG   W-210B Catch Basin Type 1 (Notes)
PDF   DWG   W-210C Catch Basin Type 1 (Notes)
PDF   DWG   W-211 Drop Inlet Type 1A
PDF DWG W-212A Catch Basin Type 4R
PDF DWG W-212B Catch Basin Type 4R (Notes)
PDF   DWG   W-212C Catch Basin Type 4R
PDF   DWG   W-213A Sumpless Catch Basin Type 4R
PDF DWG W-213B Sumpless Catch Basin Type 4R (Notes)
PDF   DWG   W-214 Dual Catch Basin Type 4R
PDF   DWG   W-215 High Capacity Curb Inlet
PDF   DWG   W-220A Manhole Type 1A
PDF   DWG   W-220B Manhole Type 1A (Notes)
PDF   DWG   W-221A Manhole Type 3A
PDF   DWG   W-221B Manhole Type 3A (Notes)
PDF   DWG   W-222A Manhole Type 4A
PDF   DWG   W-222B Manhole Type 4A (Notes)
PDF   DWG   W-223A Manhole Type 5A
PDF   DWG   W-223B Manhole Type 5A (Notes)
PDF   DWG   W-224 Manhole Collar
PDF   DWG   W-225 Temporary Manhole Cover
PDF   DWG   W-226 36" Manhole Frame with 24" Cover Adapter
PDF   DWG   W-227 Cut-Off Collar
PDF   DWG   W-230A Sewer Lateral
PDF   DWG   W-230B Sewer Lateral (Notes)
PDF   DWG   W-231 Sanitary Sewer Tap Saddle

+ Section 300 - Water System Improvements

PDF   DWG   W-301A Fire Hydrant
PDF   DWG   W-301B Fire Hydrant (Notes)
PDF   DWG   W-301C Fire Hydrant (Notes)
PDF   DWG   W-301D Fire Hydrant (Notes)
PDF   DWG   W-302 Trench Detail Water
PDF   DWG   W-303 Valve Detail
PDF   DWG   W-304A 1" Combination Air-Release Assembly
PDF   DWG   W-304B 1" Combination Air-Release Assembly (Notes)
PDF   DWG   W-305A 4" Flush Valve Assembly Terminus
PDF   DWG   W-305B 4" Flush Valve Assembly Terminus (Notes)
PDF   DWG   W-306 4" Flush Valve Assembly In-Line
PDF   DWG   W-307 Test Station
PDF   DWG   W-310A Water Service Tap & Line
PDF DWG W-310B Water Service Tap & Line (Notes)
PDF   DWG   W-311 3/4" Meter Vault
PDF   DWG   W-312 1" Meter Vault
PDF   DWG   W-313 1-1/2" - 2" Meter Vault
PDF   DWG   W-314 3" - 4" Meter Vault
PDF   DWG   W-320A Thrust Restraint
PDF   DWG   W-320B Thrust Restraint (Notes)
PDF DWG W-321 Distribution Tap
PDF DWG W-325 Pipe Support
PDF   DWG   W-326 Pressure Gauge
PDF DWG W-327 Sample Port in Vault
PDF   DWG   W-328 Sample Port in Meter Box
PDF   DWG   W-329 Sample Port in Meter Box with Service
PDF   DWG   W-330 Water Line Offset
PDF   DWG   W-340 Reclaimed Water Signage Requirements

+ Section 400 - Traffic Control Improvements

PDF DWG   W-401 Street Name Sign
PDF   DWG   W-402A Standard Traffic Sign
PDF   DWG   W-402B Standard Traffic Sign (Detail)
PDF   DWG   W-402C Standard Traffic Sign (Notes)
PDF   DWG   W-403A Emergency Access Control Gate
PDF   DWG   W-403B Emergency Access Control Gate
PDF   DWG   W-403C Emergency Access Control Gate
PDF   DWG   W-404A Speed Bump Layout, Signage and Striping
PDF   DWG   W-404B Speed Bump (Details)
PDF   DWG   W-410A Mailboxes
PDF   DWG   W-410B Mailboxes
PDF   DWG   W-420A School Sign Signal
PDF   DWG   W-420B School Sign Signal (Notes)
PDF DWG W-430 End-of-Road Marker

Standard Specifications for Public Works Construction

The Regional Transportation Commission (RTC) of Washoe County publishes the Standard Specifications for Public Works Construction, which contains uniform rules and standard specifications for public works construction in Reno, Sparks, Washoe County, and surrounding jurisdictions.

For questions relating to the purchase of the Standard Specifications of Public Works Construction (aka: The Orange Book), call the Regional Transportation Commission at (775) 348-0400.