CONSTRUCTION SPECIFICATION FOR STRUCTURAL STEEL FOR BRIDGES

TCP number
000-0256
Notice type
Standard
Applies to
OPSS - Ontario Provincial Standard Specifications
No. specification
OPSS 906 & CAIS906
Posted by
Structures Office
Notice stage
Proposal
Proposal posted
Comment period
May 22, 2025 - June 21, 2025 (30 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
June 21, 2025

Proposal summary

OPSS 906 has been updated to include existing SSPs, improvement to wording, updates to ACR steel, bolt pre-installation requirements and other updates related to fabrication, CAIS 906 also has been updated to be consistent with OPSS 906 updates. Administrative updates to publication date in SSP906F04 and corresponding CAIS 906F04 were made

Proposal details

The updates include following items:

-Incorporated SP 109S59.

-Updated references.

-Slight wording changes to match upcoming S6-25.

-Pre-installation verification and bolting procedure requirement with the erection submission

-Changes to submission requirements from 3 hard copies to electronic PDF format.

-Allow direct substitution of Grade A325, 7/8” bolts when Grade A325M, M22 bolts have been specified.

Included the requirement that bolt assemblies used with ACR exterior plate girders specified to receive a partial coating of the inside face shall be Type 3

-Included language to prohibit punched holes

CAIS 906 updated to incorporate above items as required

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