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| DETROIT WATER AND SEWERAGE DEPARTMENT
ROMEO ARM OF THE MACOMB SEWER INTERCEPTOR December 29, 2004 Update Crews have installed 192 caissons in the sinkhole around the repair area. A total of 228 caissons will be installed by mid-January. The caissons are being installed to a depth of 65-feet. DWSD is making every effort to minimize the noise impact on the surrounding area while installing the caissons. Crews are continuing the excavation of the interceptor. So far 30-feet of the interceptor have been exposed. The first section of interceptor to be replaced is being prepared. Crews are removing the top portion of the collapsed interceptor. A concrete mudmat (20-feet long) will be placed on top of what’s left of the collapsed section. Once the mudmat is in place, holes will be drilled down into the interceptor. Grouting will be inserted to totally fill every cavity left in the damaged section, forming a solid support base. Next, a steel and concrete cradle will be installed on top of the mudmat to support the new pipe being installed. Thirteen dewatering pumps are in use to remove groundwater around the repair area. 
Images upated December 3,2004 back to Macomb Interceptor Information |
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