Summary
The City of Des Moines, Washington is soliciting sealed bids for the 16th Avenue S Ditch Decommissioning and Stormwater Improvements project. The work includes clearing and grubbing, structure excavation, installation of high-visibility fence and compost socks, removal of pavement, curb and gutter, pipe, and trees, hot mix asphalt paving, storm drainage improvements including CIPP lining, filling existing ditches with gravel borrow and topsoil, installation of rock walls and quarry spalls backfill, and channelization. Bid opening will be held at approximately 11:00 AM on Wednesday, July 22, 2026, at the City of Des Moines Engineering Building located at 21650 11th Avenue South, Des Moines, WA 98198.