Design and Construction Standards - Tualatin Valley Water District

Trench Excavation and Backfill Section 22. It is the responsibility of the paving contractor to confirm which agencies havejurisdiction as well as the current surface restoration requirements of each agency.3. Any pavement markings within the work area that are damaged or removed as aresult of the work shall be repaired or replaced by the paving contractor unlessotherwise stated in the contract.b. Protection of Structures1. Provide whatever measures may be needed to protect the exposed portions of thebridges, culverts, curbs, gutters, posts, guard fences, road signs, and otherfeatures from splashing oil and asphalt from the paving operations. After paving iscomplete, remove any oil, asphalt, or dirt that is left behind on these features as aresult of the paving operations.2. Where water valve boxes, manholes, catch basins, or other underground utilityappurtenances are within the area to be surfaced, the resurfacing shall be levelwith the top of the existing finished elevation of these facilities. If it is evident thatthese facilities are not in accordance with the proposed finished surface, notify theproper authority in order to have the facility altered before proceeding with theresurfacing around the obstruction, unless otherwise approved. Protect all coversduring asphalt application.c. Warranty Period1. Contractor shall provide a warranty period of no less than one (1) year onpavement. During this period the contractor shall repair or replace, at no additionalcost to Tualatin Valley Water District, any pavement failure caused by defectivematerial, installation, or compaction. The warranty period shall begin at the timethe project is accepted by the District.TVWD Water System Standards June 2012 Page 2-5