Cross Slope Tolerance Documentation Update

TCP number
000-0249
Notice type
Standard
Applies to
SP - Special Provisions
No. specification
SSP 103F56 CAIS 313-06 CDED B313 PH-CC-886A PH-CC-886B
Posted by
Highway Design Office
Notice stage
Review
Proposal posted
Comment period
April 17, 2025 - May 15, 2025 (28 days) Closed
Last updated

This consultation was open from:

April 17, 2025
to May 15, 2025

Proposal summary

Update of SSP 103F56 and associated documentation to reflect recent experience with cross slope tolerance.

Proposal details

Update of SSP 103F56 to reflect change in cross slope tolerance to -0.3 / +0.6 over a lot, and -0.4 / +0.7 on a sublot on tangent and superelevated curves up to 5.6% superelevation. Superelevated curves over 5.6% retain the current +/- 0.3% over a lot and +/- 0.4% at a sublot to avoid potential oversteepening past 6%. CA notification of lot results has been adjusted to 3 business days from 1 and the requirement for written permission to allow traffic on a failed lot has been removed.
Update of PH-CC-886A and PH-CC-886B to reflect these changes.
Updated CAIS 313-06 to provide additional clarity on separating tangent and superelevated road segments with respect to assignment of lots.
Updated CDED B313 to provide designers with additional guidance to consider existing cross slope, thickness and pavement strategy when determining when to correct cross slope to design values or acceptable tolerances, and when to use SSP 103F56 in a contract.

Comment

Commenting is now closed.

The comment period was from April 17, 2025
to May 15, 2025

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