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Forest Lawn Sanitary Siphon - City of Calgary
This HDD crossing was completed in the City of Calgary, for the Wastewater & Drainage division. A 30"DR9 PE3408 high-density polyethylene pipe was pulled into place under the Bow River as a sanitary siphon near the Bonnybrook Bridge. The crossing was approximately 470 m long.
Located in the City of Calgary, near the intersection of Elbow Drive and Glenmore Trail, 42" and 26" parallel bores crossed Glenmore Trail. 24, NPS4 steel lines as conduit for fibre optics were installed in the 42" bore (believed to be a record for the number of pipes pulled into one hole at one time) and 14"SDR13.5 PE3408 line was pulled as a conduit for a high pressure residential gas main.
Located in Fort Myers, Florida, this crossing installed a bundle of nine pipes ranging from 2" to 24" for utility services. The drill proceeded through deltaic sand under a channel of the river to a development on Lofton's Island. The drill length was 535 m.
