Road Maintenance Standard Requirements During Defect Liability Period

The road maintenance contractor shall be responsible for undertaking all routine maintenance of the existing road and all bridges on the road from the day the road is officially handed-over to the client until the issue of Defects Liability Certificate by the engineer.

Contractor shall also carry out all the routine maintenance of the completed works from the time of their substantial completion until the Defects Liability Certificate is issued.

The Contractor shall also maintain roads that he uses for construction or access and the use of such roads shall be identified in advance to the Engineer for inspection prior to use.

Routine maintenance of the road shall include besides other:

• trimming vegetation, cleaning all culverts, ditches, borrow pits, road side drainage, drainage channels and any other obstructions including minor landslide (up to 20 m3 at one spot, with unlimited number of spots),
• cleaning road signs and checking and undertaking the repair of guardrails and other road safety structures,
• cleaning including removal of obstructions on bridge decks and bridge deck drainage elements, checking including and
• cleaning removal of obstructions on bridge decks and bridge deck drainage elements, checking including removal of obstructions on bridge decks and bridge deck drainage elements,
• checking and cleaning of expansion joints and bearings, cleaning bearing shelves and weep holes, removing accumulated debris and vegetation around and between piers and abutments, repairing parapets,
• clearance on the road to allow free flow of traffic and reinstatement of any damaged or deteriorated carriageway, and protection of adjoining works.

In case of road Section where the surface is in badly damaged condition, the maintenance of existing road surface shall be maintained by potholes patching using gravel, reprofiling and regarding as instructed by Engineer.

The surface shall be maintained to ensure longitudinal and transverse profile. All the damages to the road carriageway and shoulder shall be repaired with the material of equal or higher standard than the original surfacing.

Contractor shall perform the maintenance works as often as required to keep the carriageway, shoulders, and adjoining structures in proper working order to the satisfaction of the Engineer.

During the period of commencement of works the Contractor shall mobilize labour and equipment to make an immediate start on the maintenance of the existing road.

The location and scope of the road maintenance work shall be as directed by the Engineer.

Existing ditches shall, where shown on the Drawing, be cleared by removing vegetation growths and deposits. The sides shall be trimmed throughout and the bottoms uniformly graded and the ditches kept clean and trimmed and maintained so long as required. Material removed from the existing ditches shall be disposed off at the places as directed by the consulting engineer.

Should at any time the Engineer gives any instruction for the up keep of a section of the road/site and the Contractor does not respond in 48 hours, the Engineer shall be empowered to instruct others to carry out the works. Any costs involved by this action shall be deducted from any money due to the Contractor.

Road Maintenance Measurement and Payment

Maintenance of road in defects liability period quantized in months shall be paid as per contract price on lumpsum basis.

The maintenance of road during construction/rehabilitation period quantified in km-months shall be paid as per contract unit rate.

Contract price and/or unit rate shall be the full and the final compensation to the Contractor as per contract applicable clauses.

All sign boards shall be removed by the road maintenance contractor by the end of the defects liability period.