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Publication Number:  FHWA-HRT-12-051    Date:  August 2012
Publication Number: FHWA-HRT-12-051
Date: August 2012


Sample Guide Specifications for Construction of Geosynthetic Reinforced Soil-Integrated Bridge System (GRS-IBS)




The agency is responsible for performing all acceptance activities and making the final acceptance determination for each GRS-IBS lot produced and placed. The agency’s acceptance system will include monitoring the contractor’s QC activity, performing acceptance inspection, sampling and testing, and determining the quality and corresponding payment for each lot. These activities will be performed for each GRS-IBS lot. The agency should use Acceptance of Non-Structural Precast Elements in developing their acceptance procedures.(24)

Materials for GRS-IBS shall be pre-approved materials evaluated under XXX Department of Transportation guides. Construction of the GRS-IBS and services will be evaluated according to section(s) from XXX of XXX Department of Transportation standard specifications.


Measure the GRS-IBS items listed in the bid schedule according to section XXX of XXX Department of Transportation standard specifications and the following as applicable:

  1. Measure the GRS-IBS by the square foot of the front wall face. This will include all elements.

  2. Measure the GRS abutment backfill and the RSF backfill by the cubic yard.

  3. Measure excavation by the cubic yard.


The accepted quantities will be paid at the contract price per unit of measurement for the GRS-IBS pay item listed in the bid schedule. Payment will be full compensation for the work prescribed in the aforementioned sections.


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