4-1 Division 4
MAJOR STRUCTURES
400-1 Description
Furnish any design calculations and drawings required; furnish members and deck materials for structures and any other materials necessary; erect, maintain, remove and dispose of temporary structures required for the maintenance of pedestrian, highway and other traffic. Construct temporary structures in accordance with the contract.
400-2 Materials
Use materials for temporary structures that conform to Division 10 or previous ly used materials conforming to the contract . Obtain approval for the use of salvaged materials and materials not covered by Division 10 before their use. Unless otherwise specified, untreated timber is allowed.
400-3 Plans
A.Furnishing Plans Use the plans for the structure furnished by the Department or submit a design in accordance with Subarticle 400 -3(B). Design the structure when the plans furnished by the Department do not include detail plans for the structure. For all Contractor designs, submit design calculations and detail drawings of the structure in accordance with Subarticle 400 -3(B) for review and comment . Do not perform an y work until the detail drawings are accepted by the Engineer . Acceptance of such drawings does not relieve the Contractor of any responsibility for safely and continuously maintaining traffic.
B.Design Requirements for Contractor Furnished Drawings Provide temporary structures of such carrying capacity, dimensions, grades and alignment as required by the contract or as directed by the Engineer . Design temporary structures carrying highway and pedestrian traffic in accordance with the AASHTO LRFD Bridge Design Specifications . Ensure that an engineer licensed by the State of North Carolina provides sealed designs and detail s of the temporary structure . Construct the temporary structure in accordance with this design. Indicate in the plan s, the specification s for the materials used in the temporary structure.
400-4 Construction Methods
Construct and maintain temporary structures to adequately and safely carry traffic during the entire period for which they are required. Remove and dispose of the temporary structures after they are no longer required in accordance with Article 402 -2. Upon removal of the temporary structure, all material furnished by the Contractor for use in this structure shall remain the property of the Contractor unless otherwise provided in the contract. Unless otherwise specified in the contract, remove temporary piling to the streambed level or to one foot below existing ground.
Source: North Carolina Standard Specifications for Roads and Structures, 2024 Edition. Pages 137–137 of 857.