ADDENDUM%20NO%201%2026017%202026%20Water%20Mains%20Replacement

The City of Salina is issuing a bid for the replacement of its water‑distribution mains (Project 26017). The scope includes removal and replacement of existing valve boxes, excavation with minimum topsoil placement, concrete coring and roadway/driveway/sidewalk repair, shoring per OSHA requirements, and installation of service‑line components using ductile‑iron pipe and Type K copper where mandated. Bidders must acknowledge receipt of this addendum on the bid form and demonstrate capability to perform both open‑cut and directional‑drilling methods. • Removal of valve boxes to a minimum depth of 24 in., with 3 ft × 3 ft roadway exposure where located in streets. • Provision of 6 in. of commercial‑grade topsoil at all excavated sites and compliance with concrete core removal/replacement details (DW‑21, DW‑18). • Requirement for OSHA‑compliant shoring (General Note 19) and use of specified pipe classes (Class 350 for ≤12 in. ductile‑iron pipe).