500
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NASHUA
February 15, 2017
SPECIALPROVISION
Item 500.03 - Temporary Superstructure Shoring
Description
1.1 This work shall consist of furnishing the necessary shoring, and/or vertically jacking of any
structure or bearing to a position immediately above its present location, holding it in
position during any construction process, lowering it to its supports, removing all shoring or
falsework, and cleaning up of the site.
Construction Requirements
2.1 Construction Drawings shall be submitted in accordance with Section 105.02 of the
NHDOT Standard Specifications. The Contractor shall submit the drawings and associated
calculations, procedures, and details to the Structures Engineer at least four weeks prior to the
anticipated start of work.
2.2 Associated details, procedures, and calculations for shoring and jacking shall be prepared
by a Professional Engineer licensed in the State of New Hampshire and shall bear their stamp
and signature. Designs shall conform to the latest version of the AASHTO LRFD Bridge Design
Specifications and LRFD Guide Specifications for the Design of Pedestrian Bridges. The
Contractor shall be responsible for the strength, capacity, and performance of the construction
method(s) employed.
2.3 When components and/or materials that are not otherwise specified for removal are
removed from the structure during shoring operations and the components and/or materials are to
be re-installed in the construction, the components and/or materials shall be carefully removed
and salvaged by the Contractor.
2.4 Components and/or materials to be retained and re-installed shall be stored at the location
specified in the Contract or as directed by the Engineer.
2.5 The Contractor shall take every precaution necessary to prevent damage to remaining
components and/or materials and those to be retained for reinstallation. Damage to remaining
structure components and/or materials and to those to be re-installed shall be repaired or replaced
by the Contractor both to the satisfaction of the Engineer and at no additional cost to the City.
Nashua / 16-0186 / 2/15/2017
