The West Side Interceptor sewer replacement project in Portland, ME, utilized a 60-inch diameter, high performance polypropylene pipe to increase conveyance capacity, replacing a smaller 100-year old vitrified clay line and separating a parallel 10-foot diameter combined sewer, which now solely conveys storm water.
The old adage “don’t muddy the water” doesn’t apply to horizontal directional drilling (HDD) where the water is supposed to be muddy. Drilling fluid (mud) extracts particles and cuttings from the bore hole, as well as stabilizes the hole itself. Mud has always been an essential element to a successful drilling operation.
Traditionally, the June issue of Underground Construction carries a large section focused on various equipment utilized in the underground construction industry. I’m pleased to say this issue is no different.
Earlier this year, the Indiana Department of Transportation (INDOT) used spiral wound pipe liner to rehabilitate two failing culverts beneath Interstate Highway 64 (I-64) near Evansville in the southwest corner of the state. It was the first time this product and installation process has been used by INDOT.
Following catastrophic failures encountered by the original owner of the Oakland Macomb Interceptor System -- the Detroit Water and Sewerage Department (DWSD) -- the need for condition-based asset management was identified. At DWSD’s request, NTH Consultants, Ltd. (NTH) performed a condition assessment of the entire Oakland Macomb Interceptor System primarily through the use of closed circuit television.
Lucid Energy, a provider of renewable energy systems and pioneer in the development of in-pipe hydropower, announced that San Antonio Water System (SAWS) will be the site of the first LucidPipe Power System installation in Texas.