This is a contract for the manufacture of a butterfly valve, requiring the item to match the design from a specific Cage Code. The performance location is not specified, but any change to the production facility requires written approval from the Contracting Officer and must include a $250 price reduction to cover administrative costs. Inspection of the material and its packaging will occur at locations to be specified, and the contractor is responsible for all inspection requirements. Vendors must be authorized distributors of the original manufacturer and provide proof with their offer.