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Canadian Standards Association
Precast concrete — Materials and construction
November 2009
A.3.2 Manufacturer’s engineering capability
A.3.2.1
A manufacturer that produces prestressed concrete shall have an engineer on staff unless application is
made to the certification agency to retain an independent engineer to carry out and supervise the design
and production.
A.3.2.2
The manufacturer shall be responsible for fabricating and installing the precast concrete in accordance
with this Standard, the shop drawings, and sound engineering principles.
A.3.3 Shop, installation, and setting drawings
Shop and installation drawings and related documents prepared by the manufacturer and reviewed by the
manufacturer’s engineer shall provide the information required by Clause 16.3 of CAN/CSA-A23.3 and
shall include the following:
(a) shop and installation drawings showing the layout and general arrangement of the precast elements,
their location in the building or the structure, their relation to adjacent materials, the connections,
and the joint and sealing details, if within the scope of the work. Drawings shall show the markings of
individual elements and special installation methods and shall indicate the sequence of installation
where this is critical;
(b) shop and setting drawings showing the location of hardware supplied by the precast manufacturer to
be installed by the general contractor; and
(c) shop and installation drawings that detail the dimensions and shape of individual elements, masses,
reinforcement, finishes, and special handling instructions, stressing information, and individual mark
numbers. Such drawings shall also show special embedments (e.g., plant and installation hardware
and fastening details, such as reglets, cut-outs, and pipe sleeves and openings) required by other
trades. Shop drawings for the production of individual elements shall contain enough views and
sections to ensure clear interpretation by workers, including, information on special materials, the
concrete mix, finishes (including wet finishing), and special tolerances.
Also, information listed in Clause 1.2 of CAN/CSA-A23.3 should be indicated.
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