HomeMy WebLinkAboutScope of Work.docDRAFT EXHIBIT A
SCOPE OF WORK AND SPECIAL PROVISIONS
I-405, SR 167 Interchange Direct Connector
SR 167 Mile Post 25.94 – 16” Water Main Relocation
The work involved under the terms on this Utility Construction Agreement (“Agreement”) shall include but not be limited to the following:
Engineering Design Drawings
Preparation of engineering design plans for the relocation of an existing 16-inch City of Renton water main within SR-167 at about Mile Post 25.94 in conjunction with WSDOT’s I-405,
SR 167 Interchange Direct Connector.
Plans (plan and profile) shall meet the City of Renton latest standards for plan submittal. Final plans sheets shall be on 24”x36” or 22”x34” Mylar, matte on both sides. CAD software
used will be AutoCad 2014 or later. Plan scale shall be 1”=10’, 1’=20’, or 1”=30’ for horizontal and 1”=5’ for vertical.
Construction of Water Line Relocation
Furnishing and installing:
approximately 350 feet of 30-inch diameter steel casing under SR-167 right-of-way and within adjacent City-owned wetlands from the west right-of-way line of SR 167 to the center of a
proposed berm to be constructed within City-owned wetlands property, including casing spacers, runners and end seals
approximately 350 feet of 16-inch Restrained-Joint (RJ) ductile iron pipe (DI) inside the above 30-inch steel casing and about 200 feet of 16-inch (RJ) DI pipe and fittings and connection
to the existing 16-inch City water line located within the unimproved right-of-way of South 19th Street
approximately 50 feet of 30-inch steel casing in SW 19th St and E Valley Rd and about 50 feet of 24-inch steel casing in E Valley Rd including casing spacers, runners and end seals
approximately 120 feet of 16-inch (RJ) DI pipe and fittings in E Valley Rd and SW 19th St and connection to existing 16-inch water line in SW 19th St
approximately 150 feet of 12-inch (RJ) DI pipe and fittings in E Valley Rd and 2 connections to existing 12-inch water line
5-16-inch gate valves (RJ), 4-12-inch gate valves (RJ)
Trenching, excavation, import/export trench backfill, shoring, dewatering, backfill, 4 tie-ins to existing water mains
Removal and replacement of asphalt concrete pavement and complete restoration of SR-167 right-of-way and of City’s right-of-way
The work also includes all traffic control, erosion control, sedimentation control, and the restoration of public and private lands.