Tag: falsework

INDOT Releases Falsework Removal Construction Memo

Posted on by Dan Osborn

INDOT has released a USP to implement the falsework specification revisions that the ICI/INDOT Joint Cooperative Bridge Subcommittee worked on this spring.

BACKGROUND

Back in the fall of 2015, several contractors notified ICI that multiple INDOT district personnel had enforced a full 15-day period before any bridge falsework could be removed. The common practice is that falsework could be removed after achieving a desired flexible strength, typically after two to five days post pour.

SPECIFICATION REVISION HIGHLIGHTS

  • For falsework under a slab top: falsework shall remain in place at least seven days and attain or exceed a 480 psi flexural strength.
  • For falsework under a bridge deck including overhang: falsework shall remain in place at least three days and attain or exceed a 480 psi flexural strength.
  • For substructure falsework: falsework shall remain in place at least three days and attain or exceed a 480 psi flexural strength

Per the INDOT memo from Mark Miller, the USP is retroactive and should be added per a zero dollar change order to applicable current or future contracts that do not include the USP.

ICI WILL FOLLOW UP BY:

  • Reinforcing to ACEC
  • Pushing to get this revision into a RSP and into the 2018 S.S.

Spring Joint Cooperative Wrap-up – Subcommittee Updates

Posted on by Dan Osborn

ICI and INDOT Bridge Subcommittee members have worked together since late fall 2015 to generate revised specification language in §702.14(b), Falsework Removal, to achieve a manageable falsework removal wait period and flexural strength requirement. INDOT is finalizing a unique special provision for release this spring.

Utility-related change orders were below one percent of the construction bid in 2015, as compared to two percent of construction bid in 2010. Recurring Special Provision 107-R-169 (9/1/2015), Statements About Existing Conditions of Utilities, Additional Right-of-Way, and Encroachments, contains clear utility involvement statements.

INDOT directs utility coordinators to be proactive throughout a project – from the pre-construction meeting through project completion – and especially pushes advocates participation in progress meetings.