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Diamond Years: 1990 - 2000

Here are some projects from around the Association's 75th Anniversary:

Rothera Airstrip

I.D. Group Inc. (since taken over by Stantec) designed and monitored the construction of an airstrip for the British Antarctic Survey at Rothera in the Antarctic, capable of landing Dash 7 aircraft.

The project included an wharf capable of berthing ocean going vessels, a hangar, a fuel depot, and water supply.

Bristol CF-5

In 1988, a major upgrade program was initiated, under which 23 CF-5As and 33 CF-5Ds were provided with new wings, fins, control surfaces, and undercarriages to extend their service lives. Additionally. the windshield, fuel tanks, flexible hydraulic hoses, and the brake chute springs and cables were replaced and the aircraft was completely rewired and repainted. The aircraft were given provision for a MIL STD 1553B digital databus, and a radar altimeter was installed.

In November 1990, a second phase was authorized in which 11 CF-5As and 33 of the CF-5Ds were to receive an avionics upgrade. The goal was to transform the CF-5 into an airborne CF-188 Hornet simulator, and the program was known as Avionics Upgrade Program.

Canadarm

Wardrop Engineering contributed to the design of components of this device. Their contribution has included system specification; thermal, stress, and vibration analysis; and the design of mechanical, electrical, structural and thermal components and mechanisms. They have also provided dynamic analysis, orbital mechanics, micrometeoroid damage assessment, and control system designs.

Churchill Transmission Line

This transmission line, from Gillam to Churchill permitted the retirement of large diesel generators in the town of Churchill. A reduction in the cost of power, coupled with an increase in supply was important to the continued development of the town and port. This is a 138 kV guyed tower line running through many areas of continuous permafrost.

The line was energized in April 1987. Constructed over three winters, the 270 km transmission line was jointly funded by Manitoba Hydro and the federal and provincial governments for $35.6 million.

Concrete Grain Elevators

Beginning in the 1990's and particularly after the end of the Crow Rate Agreement in 1996, western Canada began a tremendous revitalization of it's grain handling, storage and transportation system.

FWS accounts for over 50% of all slipform construction in the last decade.

InfoMagnetics

The 'Briefcase, Deployable Antenna for EHF Satellite Communications' (Pico-terminal Antenna) is the first of its kind in the world for satellite applications in the Ka-band. It was developed by InfoMagnetics Technologies Corporation (IMT) under a contract with the European Space Agency.

The antenna specifications presented major challenges, including: very high efficiency; high gain for a maximum diameter of 35 cm; low side lobe; all antenna assembly; transceiver, and base-band equipment should fit in a briefcase measuring 35 x 25 x 50 cm; and weight of the antenna assembly should not exceed 5 kg.

Motor Coach - New Flyer

[picture of a bus]

Buses have been designed and manufactured in Manitoba since 1933.

Motor Coach has developed many long distance buses and received an APEGM award for its 14 m prototype fully-accessible intercity coach.

New Flyer Industries, the successor to Flyer Industries, has concentrated on local transit buses and received an APEGM award for its low floor transit bus. It has developed hybrid buses one of which is shown in this picture.

Assiniboine River Walkway

The river walkway at the historical forks site extends from near the new L'Esplanade Riel bridge on the Red River south to the junction of the Assiniboine River and west on the north bank of the Assiniboine to the Manitoba Legislature building grounds.

Docking facilities at the Forks National Historical Site and at the Forks Market welcome visitors by boat.

The approximately 4 metre wide limestone surface walkway is built into the lower banks of the rivers at 1 metre above summer water level. The walkway was constructed of quarried limestone and designed to improve the stability of the riverbanks and to reduce erosion. It was designed and constructed to be submerged on a regular basis.

RTDS

The Real-Time Digital Simulator is a special purpose digital computer system which is programmed to simulate the control, valves and transmission line and connected AC system of an HVdc system. The design allows actual control systems and protection systems to be connected to the simulated system. Specialized versions of the RTDS have been developed to test protection systems.

The devices are designed and manufactured in Winnipeg.

Taylor Bridge

The Taylor Bridge in Headingley was opened in October 1998. The two-lane, 165.1-metre-long structure has four out of 40 precast girders reinforced with carbon fibre reinforced polymer (FRP) stirrups. These girders are prestressed with carbon FRP cables and bars. Glass FRP reinforces portions of the barrier walls.

As a demonstration project, it is vital the new materials be tested under the same conditions as conventional steel reinforcement - thus only a portion of the bridge is designed using FRP.

The bridge boasts a complex embedded fibre optic structural sensing system that will allow engineers to compare the long-term behaviour of the two materials. This remote monitoring is the key to acquiring data on FRP that will ultimately help it gain widespread acceptance through national and international codes of practice.



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