Buy CSA S PARKING STRUCTURES from SAI Global. All about CSA S – Parking Structures by Canadian Standards Association. LibraryThing is a cataloging and social networking site for booklovers. for service life prediction of parking structures, in particular methods to evaluate the minimum Canadian design standard (CSA S, ), which are.
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Standards Subsctiption may be the perfect solution. That spares the concrete from cracking and de-lamination, but hides the corrosion of the coated rebar. The standard also concentrated on the use of low permeability concrete and the use of corrosion inhibiting admixtures.
CSA S | Standards Council of Canada – Conseil canadien des normes
The challenge for the designer is to develop a continuous waterproofing system that is effective. Leaders of provincial construction associations agree has been a year of gr Canadian parking garages are notably exposed to road salts during winter months. Subscription pricing is determined by: Over the course of many podium restoration projects, we have exposed poorly designed syructures details.
There are many waterproofing systems available to designers. Buy Standards Purchase the standards and standards-based products you are looking for.
At the de-gree turn, where the waterproofing would normally be exposed to weather elements and direct sunlight, the water-proofing system is protected by rigid insulation or metal flashing. The podium slab is protected with a hot-applied waterproofing system, then concealed with compacted granular and a concrete topping not shown, for clarity. These include areas such as stairs, and pedestrian bridges from parking structures. Hot-applied waterproofing was installed on the podium deck slab and terminated flush with the surface of the asphalt pavement removed in this photo.
Designing waterproofing transitions between these categories requires a unique level of knowledge, experience and understanding. Each system is dependent on several factors, including the building cladding system in question, performance requirements, client needs and cost limitations. The parkingg extends approximately mm above the concrete topping and protects the continuity of the parrking membrane behind it. Others December 31, Projects December 31, In situations where the building cladding and podium deck waterproofing systems are designed by different parties, there is an additional challenge to ensure design coordination.
This Standard specifies special requirements for the durability aspects cwa the design and construction of new parking structures and parts of buildings subject to vehicular traffic. In both details, the waterproofing membrane is continuous, from the brick masonry to the horizontal roof slab.
Continuity of the waterproofing systems must be maintained. Although this may seem trivial in struftures grand scheme sstructures building design, restoration and building science vsa frequently face challenges in solving waterproofing failures and difficult-to-find leaks.
Proceed to Checkout Continue Shopping. Figure 5 is a sample detail for a brick masonry termination to a podium deck slab.
Canadian Standards Association issues tougher rules for parking garages –
The exposed bricks were found to be badly cracked and spalled at some locations. He cited the reduction in the number of parking structure restoration projects over the last decade as proof. The heart of the standard is Table cxa, which sets out acceptable minimum protection systems based on the requirement for protection against corrosion and leakage.
Waterproofing systems tend to be specific to these broad categories. One of the most prevalent podium deck waterproofing systems is hot- or cold-applied rubberized asphaltic waterproofing systems. The study concluded that the poor performance of parking structures was a result of design and construction practices that fell short of those required to withstand the harsh Canadian environment.
The cracks were typically wider than those formed by drying shrinkage within concrete reinforced with traditional steel.
Brick masonry and EIFS systems specify a mm and mm clearance between the underside of the cladding and grade, respectively; Curtain walls termination at grade indicate a waterproofing transition onto a foundation wall; and Flashing systems specify a mm termination above grade.
Perhaps not coincidentally, many rubberized asphalt waterproofing systems are compatible with moisture barriers found in cladding systems. Each building will have unique circumstances. Skip to main content Skip to footer. He specializes in the review, analysis and restoration of buildings, particularly parking garages, podium decks, balconies and other structural building components.
Please first log in with a verified email before subscribing to alerts. Immediately below the curtain wall pressure plate is a mm void space previously concealed with metal flashing but removed in this photo and a mm tall concrete curb.
We have no amendments or corrections for this standard. This article was originally published in the Spring edition of Pushing the Envelope Canada, which is published twice per year by Matrix Group Publishing Inc.
Standards Council of Canada
Please first verify your email before subscribing to alerts. There was no waterproofing membrane joining the curtain wall to the concrete curb. There is a vast array of cladding systems which can be installed in multiple configurations.
Waterproofing systems are only effective when they are continuous, regardless of whether they sca buried within the cladding assembly or multiply protection systems applied on structural slabs. In my opinion, this is an ideal detail and circumstance.
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Need more than one copy? Already Subscribed to this document. Byhowever, evidence showed that some concrete parking decks reinforced with FBECR were experiencing severe cracking. CMHC best practice guide for curtain walls, detail 17, http: Depending on the type of parking structure, the edition now permits additional combinations of protection systems, concrete cover, corrosion inhibitors and Class C-XL concrete, which is highly durable.
CSA S is a design standard for parking structures. In other cases, cladding systems need to be locally modified structudes replaced due to poor base building design. A similar detail should be prepared for cladding to podium deck transition.