5-232 SECTIO N 527 – MAINTENANC E OF STRUCTURE S AND APPROACHES
527.0 1 DESCRIPTION . This work shall consist of the maintenance of existing structures and approaches
within the project limits.
527.0 2 ROAD MAINTENANCE . The Contractor shall maintain all highway sections within the confines
of the work under the Contract to the satisfaction of the Engineer. When traffic is to be maintained over the present highway, the full width of the roadway shall be maintained. The maintenance shall be done by means of an approved road grader or other approved equipment of a type that will be efficient in keeping the roadway in a reasonably smooth and passable condition for traffic and shall be subject to the approval of the Engineer. The material for and the necessary filling of holes and similar depressions that develop in the roadway shall be included in the Contract price for this item. If, in the opinion of the Engineer, the Contractor fails to maintain a reasonably smooth roadway surface, and fails to fix the same after written notification, the Engineer will make the necessary provisions to maintain the roadway surface, and the cost shall be deducted from any money due or to become due under the Contract.
527.0 3 BRIDG E MAINTENANCE . When traffic is maintained over an existing structure, the C ontractor
shall keep all parts of the structure safe for the legal or posted load of the structure including satisfactory maintenance of the substructure, superstructure, and the bridge surface. The Contractor shall strengthen, patch, shore, or renew any p art or parts of this substructure or superstructure when necessary for the safety of the traveling public. If the existing structure over which traffic is being maintained becomes unsafe for public travel, and if, following written order by the Engineer, the Contractor fails to make satisfactory repairs, the Engineer will make the necessary provisions to repair the structure, and the cost will be deducted from any monies due under the Contract.
527.0 4 METHO D OF MEASUREMENT . The quantity of Maint enance of Structures and Approaches to
be measured for payment will be on a lump sum basis.
527.0 5 BASIS OF PAYMENT . The accepted quantity of Maintenance of Structures and Approaches will
be paid for at the Contract lump sum price. Payment will be full co mpensation for performing the work specified and for furnishing all labor, materials, tools, equipment, and incidentals necessary to properly maintain substructures, superstructures, and roadway approaches. 5-233 Payment for this work will be made periodica lly as follows:
a.50% of the Contract lump sum price will be paid after all required repairs to the bridges or approaches have been made to the satisfaction of the Engineer and traffic is being maintained over the existing bridges and approaches.
b.The remaining 50% of the Contract lump sum price will be paid when traffic is permanently moved to the new or rehabilitated bridges and approaches. Payment will be made under: Pay Item Pay Unit
527.10 00 Maintenance of Structures and Approaches ................................ ............. Lump Sum
5-234 SECTIO N 528 – TEMPORAR Y BRIDGE
528.0 1 DESCRIPTION . This work shall consist of the design, construction, maintenance, and removal
of a temporary bridge, its substructures, and approaches.
528.0 2 MATERIALS . The Contractor may use any material or combination of materials that will
conform to the requiremen ts of this subsection and meet the approval of the Engineer. The Engineer reserves the right to reject materials and details that are structurally unsafe for the use proposed. Unless s pecifically permitted in the Contract or upon written authorization of the Construction Engineer, the use of pipes will not be allowed for temporary bridges. Unless otherwise authorized on the approved drawings, all main load carrying members shall be continuous between supports. Splices will only be approved for the following conditions:
a.Fully -Bolted Connections . Fully bolted connections, with high -strength bolts, shall be designed for their location in accordance with the AASHTO LRFD Bridge Design Specifications .
b.Fully -Welded Connection s. Fully welded connections shall be designed, welded, inspected, and tested in a ccordance with the requirements of AASHTO LRFD Bridge Design Specifications and AWS requirements. Any welded connection performed in the absence of and without the approval of the Agency’s welding inspector will not be approved. Any welding done for work u nder this section shall be detailed on the working drawings and performed in conformance with Section 506 .
528.0 3 WORKING DRAWINGS . Working draw ings shall be prepared by the Contractor for the
proposed work under this item in accordance with the requirements of Subsection 105.06 .
a.Calculations . The Contractor shall provide calculations for the horizontal and vertical alignments and all structu ral components of the temporary bridge. When a temporary bridge is expected to be open to traffic for longer than 24 months, the calculations shall include a load rating for the design vehicle as well as the other Vermont Standard Load Rating Trucks define d in the VTrans Structures Design Manual .
b.Drawings . Drawings for bridge approaches shall include plans, profiles, typical sections, and specific cross -sections for the temporary roadway and channel, when applicable, with complete details and identification of materials to be used. Drawings for the tempo rary bridge structure shall include plan, elevation, and section views of the structure and shall include size and spacing of all members or components for the following:
Referenced in this section
Sections that cite this one
Get an email when 527 changes
Vermont revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Vermont Standard Specifications for Construction, 2024 Edition. Pages 646–647 of 1,380. View official source ↗