Chestermere’s sanitary system is currently operating beyond its designed capacity.
Lift Station #13 (LS 13) (completed mid-2016) was designed to serve as Chestermere’s primary lift station, pumping Chestermere’s wastewater to Calgary. In addition to providing the capacity required to relieve the existing system constraints, it has been designed to accommodate the growth expected over the next 25 years.
The LS 13 Forcemain Project is the construction of a 5.5km 600mm forcemain from LS 13 to connect into the City of Calgary’s Great Plains Sanitary Truck. Once constructed, it will divert wastewater from LS 13 to the City of Calgary sanitary network. While not a primary driver for the project, an ancillary benefit of construction LS 13 FM as a second discharge main to Calgary, is the creation of operational redundancy within the system, potentially reducing the amount of emergency wastewater handling in case of a failure in one of the two main lift stations.
When constructed, LS 13 FM will have a total flow capacity of 450 L/s (existing pumps with a 550mm forcemain); 92 L/s is required to relieve current system constraints by connecting lift stations 4, 5, and 12 via LS 13 to Calgary, with the remaining 358 L/s available to serve future development.
The project is being constructed in two phases.
Phase 1 was completed earlier this year (March to July 2017) with construction starting at LS 13 and ending at Range Road 284 (RR 284).
Phase 2 started in September and will be completed in December 2017. This phase includes installation of 3.3km of sanitary forcemain and 1.9km of storm line on Township Road 240 (TWP 240) between 84th Street (the eastern boundary of the City of Calgary) and RR 284 (the western boundary of the City of Chestermere).
Local traffic that uses TWP 240 will be impacted.
Between mid-October and the end of November, TWP 240 will be closed from 84th Street to RR 284. The intersection of TWP 240 and RR 284 will remain open. The intersection of TWP 240 and RR 285 (Garden Road) will also remain open to north/south traffic. Access to property within the closure area will be maintained during construction from either Garden Road or RR 284; depending upon the location of work.
From the end of November to mid-December, the closure of TWP 240 from 84th Street to RR 284 will include the intersection of TWP 240 and RR 284. Traffic will be detoured on RR 283 (Rainbow Road). RR 284 will also be closed from Hwy 1A to Hwy 560, but will be open to local traffic. The intersection of TWP 240 and RR 285 (Garden Road) will continue to remain open to north/south traffic. 84th Street will also remain open. Access to property within the closure area will be maintained during construction from either Garden Road or RR 284; depending upon the location of work.
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