AASHTO - HB-17 DIVISION II SEC 1
Division II Construction - Structure Excavation and Backfill
| Organization: | AASHTO |
| Publication Date: | 1 January 2002 |
| Status: | active |
| Page Count: | 3 |
scope:
GENERAL
Structure excavation shall consist of the removal of all material, of whatever nature, necessary for the construction of foundations for bridges, retaining walls, and other major structures in accordance with the plans or as directed by the Engineer.
If not otherwise provided for in the contract, structure excavation shall include the furnishing of all necessary equipment and the construction and subsequent removal of all cofferdams, shoring, and water control systems which may be necessary for the execution of the work.
It shall also include, if not otherwise specified, the placement of all necessary backfill, including any necessary stockpiling of excavated material which is to be used in backfill, and the disposing of excavated material, which is not required for backfill, in roadway embankments or as provided for excess and unsuitable material in Subsection 203.02, AASHTO Guide SpeciJications for Highway Construction.
If the contract does not include a separate pay item or items for such work, structure excavation shall include all necessary clearing and grubbing and the removal of existing structures within the area to be excavated.
Classification, if any, of excavation will be indicated on the plans and set forth in the proposal.
The removal and disposal of buried natural or manmade objects are included in the class of excavation in which they are located, unless such removal and disposal are included in other items of work. However, in the case of a buried manmade object, if (I) its removal requires the use of methods or equipment not used for other excavation on the project, (2) its presence was not indicated on the plans or in the special provisions, (3) its presence could not have been ascertained by site investigation, including contact with identified utilities within the area, and (4) the Contractor so requests in writing prior to its removal, the removal and disposal of such object will be paid for as extra work, and its volume will not be included in the measured quantity of excavation.
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