Specifications include, but are not limited to: 1. Remove and replace boiler tubes, burners, gas valves on three gas fired steam boilers as described in the RFP documents. 2. Repair/replace boiler flue as described in the RFP documents. 3. This work will be completed in one phase with the requirement that at least one boiler (two preferred) remain operational at all times during the completion of this contract. 4. Work scopes for boilers B-1 and B-2 are included in base bid. 5. Alternate M-1 includes the work scope for boiler B-3 indicated on drawing and note F. 6. Alternate M-2 includes new sheet metal baffle at existing louvers. 7. Alternate M-3 is the replacement of flue from boiler B-4 to the "T" as described. 8. There are also unit prices requested as indicated on the bid summary form for tuber replacement in each of the boiler’s B-1 and B-3, and the provision of stainless flue liner.