Board of Water Supply. Williamsburg conduit. Michigan Valve and Foundry Company, contractor. View of a number of gate valves in the East New York storage yard of the Department of Water Supply, Gas and Electricity, Jamaica Avenue and Wyona Street, Brooklyn. The total cost to the city for these valves and hydrants delivered to storage yard was $153,555.00. They will be trucked from the yard and set in designated places in the pipe conduit by the contractors having this work in hand at a stipulated price per pound. April 15, 1925.