This edition of the Standard Construction Specifications replaces all previous standard specifications for work on public improvements within the City of Corvallis. These specifications apply in their entirety to all Public Work's Construction contracts advertised for bids, and all permit applications issued on or after July 1, 2005. There may exist in these specifications minor errors, discrepancies or omissions. It would be appreciated if the users of this document would notify the City of any such irregularities.


Summary of Changes to March, 2003, Edition

Table of Contents


General Requirements

Division I - Information for Bidders

Division II - General Conditions

Technical Requirements

Division I - General Technical Requirements

Division II - Streets

Division III - Sanitary Sewers and Storm Drains

Division IV - Water

Division V - Structures

Standard Details

Standard details are provided below in a .pdf format. Details may also be downloaded from the City's FTP site in an AutoCAD format.

Standard Details Table of Contents

101 Typical Street Sections

102 Typical Concrete Street - Contraction Joint Detail

103 Curb Construction Standard Detail

103A Standard Wide (6'-0") Curb and Gutter Detail

103B Monolithic Curb for Sidewalk and Ramps

104 Valley Gutter Details

105 Curb Knockout Detail for Driveways (DELETED)

106 Standard Sidewalk Detail*

107 Standard Wheelchair Ramps

107A Standard Wheelchair Ramps

107B Standard Wheelchair Ramps

108 Driveway in Setback Sidewalk*

108A Driveway in Curbside Sidewalk*

108B Driveway in Curbside Sidewalk*

109 Valley Gutter Across Intersection and Standard Commercial Driveway Approach

110 Street Cut Detail

201 Trench Backfill and Pipe Zone Detail

202 Concrete Cap and Encasement Details

203 Standard Manhole Detail

203A Standard Drop Manhole Detail

203B Manhole Base Section Detail

205 Standard Manhole Adjustment in Existing Streets

206 Standard Cleanout Details

206A Standard Piping Details

206B Common Service Lateral Detail

208 Standard Gutter Inlet Catch Basin

209 Standard Curb Inlet and Catch Basin Detail

301 Standard Blocking Details

302 Valve and Box Setting

303 Fire Hydrant Setting

304 Dead End Main & Blow-off Setting

305 Combination Air Release Valve Setting

306 ¾", 1", & 1½" Water Meter Setting

306A Meter Setter Detail for 2" Domestic Meter

306B Banked Water Meters

307 Domestic Water Meter 3" or Larger with By-Pass

308 Fire Service Vault with Double Detector Check Assembly

401 Sidewalk Meander for Mailbox Cluster Standard Detail

501 Bus Shelter Slab

502 Permanent Type III Barricade Detail

503 "Inverted U" Bike Rack

* Driveway details updated June 2008 to reflect Land Development Code width restrictions

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Last updated: 5/28/2013 3:21:22 PM