Draining Chicago

Chapter 4 Photos, 1–23

(photos 24–46 here and 47–69 here)

North Area Sewersheds and Watersheds

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Lake Claremont Press: A Chicago Joint

S. Woodhouse Books

DC-Photo 4.13

Looking at the south heading in the intercepting sewer south of Touhy Avenue, February 14, 1925. The bulkhead has failed; a few of the lattice arch supports have buckled. The ground above also subsided. The contractor will excavate the unstable soil from above, replace the forms and supports, continue mining the heading, and pouring the reinforced concrete sewer. After the concrete sewer has cured, backfill will be placed in the hole from above and the ground surface restored. (MWRD photo 11529)