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NASHUA
February 15, 2017
SPECIALPROVISION
Item 1001.1 — Concrete Repairs, Deck
Item 1001.2 — Concrete Repairs, Abutment
Item 1001.3 — Concrete Repairs, Curb
Description
1.1 This work shall consist of concrete repairs to the top of the pier 2 cap/deck, the face of the
northern abutment backwall, and the southern curb of the span over US Route 3 as shown in the
contract plans.
Materials
2.1 Concrete shall be class AA and conform to the requirements of Item 520.01 of the NHDOT
Standard Specifications.
2.2 Water repellent shall be silane/siloxane and conform to the requirements of Section 534 of
the NHDOT Standard Specifications.
2.3 Silicone joint sealant shall conform to the requirements of Section 562 of the NHDOT
Standard Specifications.
Construction Requirements
3.1 Removal of deteriorated concrete and surface preparation for repairs shall conform to
Section 512 of the NHDOT Standard Specifications.
3.2 All existing reinforcing steel shall be retained and cleaned per Section 512.3.2.4 of the
NHDOT Standard Specifications.
3.3 Curb joints between existing and new concrete shall be sealed with silicone joint sealant
and shall conform to the requirements of Section 562 of the NHDOT Standard Specifications.
3.4 Any damage to the existing structure components that are to remain shall be repaired to the
satisfaction of the engineer at the contractor’s expense.
3.5 Concrete removal and placement over US Route 3, Henri Burque Highway, shall not be
performed over active traffic.
Nashua / 16-0186 / 2/15/2017
