Workers tightening flange bolts on header pipe, Waterworks Park, Detroit water supply system
Description:
View of workers tightening flange bolts on header pipe at Waterworks Park, Detroit water supply system. Printed on front: "City of Detroit. Dept. of Water Supply. Contract no. WW-4. Steel piping for high lift pumps nos. 9, 10, 11 and 12. Pumping station no. 2. Water Works Park Station. Contractor: George A. Bass Construction Co. No. 8. Date: 5-9-60. Photo by Manning Bros." Typed on back: "Re-tightening bolts on flanges of 72" header pipe to stop leaks after hydrostatic pressure test."
