Design-Build Services – Main Street Lift Station Upgrade


City of Airdrie

Completed Date

October 2019

Project Description

The City of Airdrie uses three wastewater lift stations to convey effluent in three forcemains to the City of Calgary where it enters the gravity sewer system.

Tritech’s scope of work for this project included:
  • Civil – Abandon the 350 mm steel line and install new HDPE force main.
  • Remove two abandoned 125 hp pumps in the MLS
  • Install a new 250 hp pump to serve as a standby pump
  • Install a new force main header (304SS) and associated valving
  • Modify and Install a new access staircase to remove need for ladder access
Tritech acted as Design-Builder to undertake the design and construction. This work included:
  • 3D modelling and design using AutoCAD Plant 3D
  • Production of all 30%,90% & IFC drawings
  • Design & Install of structural upgrades
  • Design & Install of the Oxygen injection system
  • Design & Install 250hp pump/motor gantry crane to facilitate maintenance and demolish existing unit
  • Seal existing cores to the wet well and core a new opening for the new 250hp pump and seal opening where existing 450mm pipe exits building
  • Design and install all new header piping and third 250hp pump and motor
  • Design and replace all existing domestic water and utility water piping
  • Design and install of all valves and appurtenances, variable frequency drive (VFD), pressure transmitter, SCADA
  • Commissioning and Owner Acceptance Testing

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