Learn about current bid and contract opportunities available to consultants, service providers, contractors, vendors, or suppliers. All Bids must be in accordance with the contract documents on file at the Lewis and Clark.Clark County Public Health's Solid Waste Program is seeking proposals for the formatting and design of the Comprehensive Solid Waste Management Plan (SWMP). GUIDELINES – The advertisement must be published at least once and not less than 7 days before a bid opening. Clark. Lewis and Clark County is soliciting competitive bids from interested parties for the purchase of 1 ¼" minus top surfacing gravel. Bidders should be aware that all submitted sealed bids are carefully reviewed for compliance, and noncompliant bids are rejected. Sellers are instructed to complete the Concession Fee Proposal Form listed as Attachment1 in the Terms and Conditions tab.