Lethbridge County - Invitation to Bid - Culvert Drainage Improvements

This Contract is for the replacement or construction of culverts. Range Road 21-1 (McNally Road) • The Contractor shall install a new 1200 mm diameter centerline culvert located between Township Road 8-2 and Hwy 508 (NE 15-10-2-W4M) over the County drainage ditch. The existing 1200 mm CSP is to remain in place. The new culvert will be installed next to the existing. • The Contractor is to remove and dispose of, and supply and install multiple culverts. See the culvert list in the Special Provisions and the attached Drawings for details. • The Contractor will be required to construct a water gate at the upstream end of the new 1200 mm culvert. Construction material and methodology will be determined with the successful Contractor, and the cost will be captured under the cash allowance. Range Road 21-5 • The Contractor is to remove and dispose of the 800 mm culvert and supply and install a new 800 mm culvert in the drainage ditch north of the campground (Station: 0+665). Range Road 23-4 • The Contractor is to remove and dispose of and supply and install multiple culverts. See the culvert list in the Special Provisions and the attached Drawings for details. The Scope of the Work includes, but is not limited to, the following: − Traffic Accommodation − Site isolation and care of water − Common excavation, including geotextile filter fabric − Supply and assembly of culvert materials − Backfill, including backfill material testing − Hand laid rip rap − Gravel surfacing − Topsoil and seeding − Permanent environmental protection devices