Specialty metal ceiling system improves Toronto subway station

As part of Toronto Transit Commission’s (TTC’s) renovation of Islington Subway Station, a snap-in specialty metal ceiling assembly was selected to meet the performance, appearance, longevity, and ease of installation requirements. The master specification developed for the station serves as the basis for all ceiling replacement needs in TTC stations scheduled for renovation.

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The effectiveness of different drip edge designs

Control of rainwater is a primary function of the building enclosure. Water penetrating the roof, wall, and foundation can cause deterioration of the building’s structure, damage to property, and mould growth. Water on the surface or penetrating the building enclosure’s outer layers can cause corrosion and decay of sheathing and cladding attachment systems, staining and discoloration of cladding systems, and freeze-thaw damage to masonry materials.

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Reinforced Concrete Corrosion: A silent killer

Concrete has many advantages, including formability and durability. The material has high compressive strength, which is defined as the maximum compressive load a body can bear prior to failure. However, concrete is actually quite weak in tensile strength, meaning it is not an ideal material when a structure is subjected to tension.

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Do you have your OMS?

The time requirements, and likely the initial cost, are the main obstacles to firms having their own office master specifications (OMS). However, it need not be such a frightening endeavour. In this article, I would like to share my experience, and show how having your own master specs can be achieved in a manner relatively easier than one might expect.

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