The comments and the rationale behind them are shared in the PDF file attached. Thank you for your time and thoughtful consideration in advance .
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Please see attached comments regarding the following key points:
1) OPSS 1355.05.03 - Associated Hardware
2) OPSS 1355.07.11.03 - Formwork Removal During Curing
3) OPSS 1355.07.11.04 c) - Records of Inspection of Moist Curing
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If empirical data can be provided, eg side by side comparisons of moist cured vs. non moist cured elements to demonstrate the absence of shrinkage/cracking and to compare concrete strengths, could a clause be added to provide for the removal of the moist curing requirement at the owners discretion?
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1355.05.03 Associated Hardware
The requirement for electro zinc chromate should be removed as this is not commercially available. Hot dipped galvanizing is allowed for surface plates in later clause 05.06.
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1355.07.13.03 Temperature Monitoring Records
PH-CC-117 (COLD WEATHER CONCRETING TEMPERATURE RECORD) form applies to cast-in-place construction not indoor precast plants. Temperature monitoring data is provided from thermocouples. This should be removed from the precast specification.
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1355.07.24 Manufacturer’s Certificate of Conformance
One C of C should be issued for all the elements being delivered to a project or site, not each individual shipment. The elements covered can be listed on the single C of C.
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If empirical data can be…
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Page 1 of 42: Heading of the…
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1355.04.02.05 Notification…
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1355.04.02.06 Welding…
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1355.05.03 Associated…
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1355.07.11.01 General…
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1355.07.13.03 Temperature…
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1355.07.24 Manufacturer’s…
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Table 8 Confirm QA sampling…
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