Lockview Combined Sewer Overflow Storage Tank

Location: St. Catharines, Ontario

ROMAG completed the Lockview Combined Sewer Overflow Storage Tank. The work consists of construction of a 2,500 m³ underground storage tank. The base slab is 12.5 meters under the ground elevation and the structure required 2,000 cubic meters of concrete and 5,500 square meters of formwork.

The Combined Sewer Overflow (CSO) Tank and the associated appurtenances are located adjacent to the north boundary of the Lockview Park in a residential area in the City of St. Catharines.

The scope of work also included the installation of a 300mm diameter forcemain to be installed utilizing a directional drilling technique and another 300 mm diameter overflow within an existing easement, and connecting to an existing storm sewer along Lockview Crescent, east of Bunting Road, that discharges into the Welland Ship Canal.

Flushing gates, pumps and accommodation for future odour control facilities, electrical, instrumentation and control systems, start-up and commissioning and all restoration work, were also included in the contract.