Screen chamber during construction, Waterworks Park, Detroit water supply system
Description:
View of screen chamber during construction, Waterworks Park, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Land tunnel and structures. Contract RC 12. Dravo Contracting Co., contractors. Photo no. 18. Date: 6-23-30. Photo by Manning Brothers." Typed on back: "Screen chamber. Sinking 4 1/2 ft. diameter shafts for landing piers for caisson. Steel shells are driven down with steam pile driver as the excavating proceeds. Shells are removed after concrete piers are placed."