Construction. Street Landscape Maintenance. Listed above are bid opportunities currently available with CADA.In order to obtain the bid documents, click on the project(s) of interest. Current Bidding Opportunities. To get started, click here to sign up. DPAC opens bids in Sacramento for Minor B projects. Bid openings are held at 1727 30th Street, 1st Floor, Sacramento at p.m. Current Construction Opportunities are posted on OpenGov Procurement. Bidders are encouraged to monitor the websites of the foll owing agencies. Complete directions, provisions, requirements, plans and specifications for the performance of a public project.