The Metropolitan Water District of Southern California is soliciting bids for the construction of storm‑drain improvements on Holland Road at Diamond Valley Lake. The contractor will install roughly 2,500 ft of 24‑inch HDPE pipe, associated manholes, a confluence structure, and related site work such as demolition, earthwork, concrete, fencing, and temporary utilities. The project is classified as a fixed‑price construction contract with a 180‑working‑day duration and an estimated value between $1.1 M and $1.5 M. Bidders must hold a California Class A contractor license, be registered with the Department of Industrial Relations for prevailing‑wage compliance, and demonstrate at least three comparable drainage projects completed in the past five years. A mandatory pre‑bid conference on March 12 2026 is required, and SBE/DVBE participation of at least 25 % of the total bid price is mandatory. Performance and payment bonds, insurance, and a bid guarantee are required. • Install ~2,500 ft of 24‑in. HDPE storm‑drain line, manholes, and confluence structure. • Required Class A CA contractor license, DIR public‑works registration, and 3 similar project references. • Minimum 25 % SBE/DVBE participation; performance & payment bonds of 100 % of bid amount. • Mandatory pre‑bid conference (Mar 12 2026) and electronic bid submission by Apr 2 2026 2 p.m.