The document is a contract between Jefferson County and a contractor for audio services for public address systems. The contract number is 04-026/DG. The document outlines the general terms and conditions of bidding and the terms of the contract. It states that the contractor cannot commence any billable work or provide any material or service until they receive a purchase order or notice to proceed from the Jefferson County Purchasing Agent. The document also includes information about bidding procedures, authorized signatures, late bids, withdrawal of bids, bid amounts, exceptions and substitutions, tax exempt status, quantities, bid award, specifications for complete units, addenda, bid bond/surety requirements, insurance requirements, and responsiveness of bids. Additionally, the document highlights the requirement for bids to have clear and determinable prices, disqualifying bids with vague wording that may hinder the determination of the bid price.