Specifications include, but are not limited to: We are requesting bids for HVAC Mechanical Service support. The estimated annual expenditure for the 2010 -2011 school year was 145,512.97. AISD cannot guarantee the dollar amount or how many times this bid may be utilized during the contract. This estimate however should not be construed to be a minimum or maximum amount spend for the new school year. Listed below are products we will be ordering for the contract period. Also listed are the approximate quantities for each product. Please indicate the brand, the product name, the unit price, and the extended cost. Products will be ordered in minimum quantities of five (5) gallons or in quantities otherwise listed on an as needed basis and the price quoted should include delivery to the maintenance shop within a twenty-four hour period. All paint material must be lead free. The district will not guarantee a minimum yearly total for this contract in the aggregate or for individual products. It is the responsibility of the vendor to make sure all prices on invoices are the correct bid prices. Repeated incorrect pricing will be cause to terminate the contract. Agents and officials of the Aldine ISD will be the sole authority in determining the acceptability of alternate products which are bid. Samples, brochures, and/or manufacturer's product sheets must accompany all alternate products which are submitted as "approved equals". Constant or unreasonable backordering of stock will be cause to terminate the contract. All products listed must be delivered within one (1) working day of the placement of the order. The successful bidder must maintain a source of supply (warehouse, retail store, distribution center, etc.) From which products listed below may be obtained. Special orders must be available within a reasonable length of time. If the successful bidder requires longer than the above specified time limit for completion of any order, the Aldine district may elect to seek another source and back charge the successful bidder for any difference in price if necessary. This is an all or nothing bid. The winning bidder will become the primary supplier for these products. In certain instances, it may be necessary to purchase from another vendor. Those exceptions include but are not limited to: 1. Need of a product is acute and delay in obtaining it would adversely affect operation. 2. Supplier cannot supply the product and cannot obtain the part in a timely manner. Either the district or the bidder may elect to cancel the contract for any reason with a thirty (30) day written notice.