The WORK covered under the Base Bid of the Contract Documents generally consists of cleaning and repairing damaged finishes on the exterior surfaces of Lemon Creek Reservoir, a 1.6 million-gallon welded steel potable water reservoir and the ductile iron piping in the associated valve vault. The WORK covered under Additive Alternate 1 of the Contract Documents generally consists of cleaning and repairing damaged finishes on the exterior surfaces of Auke Lake Reservoir, a 1.43 million-gallon welded steel potable water reservoir.