The document is an Invitation to Bid for the maintenance, repair, hydrostatic testing, and recharging of portable fire extinguishers for the County of Rockland in New York. The document includes information about the bid number, contact details, and instructions for submitting the bid. It also includes forms for the Affirmative Action Plan, Certificate of Equipment, and Certification of Experience. The document emphasizes that any alterations made to the document by the bidder may result in rejection of the proposal. Additionally, it states that if the contractor fails to remedy any defects within a specified time, the county may have the work done and the contractor will be responsible for the cost.