"Code" – shall mean the Administrative Code of Allegheny County; s. "Manual" – shall mean this Purchasing Manual; t.Failed to pay the bid and complete the sale. Vendors and suppliers interested in doing business with Allegheny County can review open solicitations for Purchasing and Supplies bids on the Bonfire website. There are many different rules that govern public bidding in Pennsylvania, many of which can be found in the Commonwealth Procurement Code. The successful bidder shall be the lowest responsible responsive bidder meeting specifications, with full consideration of cost, quality and performance.