case Studies

Greater Toronto Airports Authority CDF Glycol Tank

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Key Personnel
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Boris Milman, M.Sc., P.Eng.
Manager, Industrial Structures | Toronto
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Project Overview

The Greater Toronto Airports Authority (GTAA) engaged MTE Consultants as the Prime Consultant to oversee the detailed design of Tank #4 at the Central Deicing Facility (CDF). The project aimed to increase the CDF’s capacity for storing high concentration glycol and facilitating effluent transfer between tank #4 and existing tanks #3 and #2. MTE collaborated with H.H Angus and Associates for the mechanical and electrical components to execute various aspects of the project.

MTE’s Involvement

MTE provided Prime Consulting services for this project. Working under MTE’s direction, the subconsultants contributed expertise in mechanical and electrical engineering, ensuring that the design and construction of tank #4 met stringent technical requirements. During the preliminary design phase, our team investigated several design concepts related to the size and position of the tank, waterproofing materials, the division of the high and low concentration chambers, the mechanical and structural connection to tank #3, and the mechanical integration into the existing glycol management system.

Detailed design involved a new 5,000,000+ litre concrete tank, complete with pumps and valves to transfer effluent new catchbasins and manholes to drain the snow area above the tank, and connections of overflow pipes to existing storm and sanitary sewers.

Our team overcame several challenges as part of the design, including the heavy loads in the “Pink” snow area, relocation of the existing site services, interior waterproofing, an accelerated design schedule, and designing for a compressed construction schedule.

Subconsultant: H.H Angus and Associates