Repair of Wright Road, Dagshai Cantt

BOQ Items :

Repair to pot holes any depth not exceeding 1 Sqm each including sweeping free from dust and mud or water scoring sunken surfaces in roads, paths etc cutting around edge to at least 25mm in depth making good by applying tack coat @ 5 kg per 10 sqm, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 Kg per 10 sqm, binded with 0.09 cum of stone chippings 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings) depth of potholes exc 30mm complete all as specified.

Applying evenly a priming coat of paving bitumen of grade VG-10 @ 10 Kg/10 Sqm complete all as specified.

Preparing surface of black top by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all lose dirt etc complete all as specified.

Applying evenly a priming/tack coat of paving bitumen of grade VG-10 @ 5 Kg/10 Sqm on black top surface complete all as specified.

Premix bituminous macadam (consolidated thickness 75mm or less) with binder content 4% by height of total mix, rolled with 8 to 12 ton power road roller and compacted to required camber, gradient complete all as specified and as directed.

Bituminous pre-mixed asphaltic dense concrete 40mm consolidated thickness, with 6% binder content by weight of total mix, using paving bitumen of VG 10, spread, rolled and consolidated with 8 to 12 tonne power roller to required gradient and camber complete all as specified. Note : (i) Automatic hot mixing plant of adequate capacity shall be used for heating and mixing of aggregate, bitumen etc for premix dense asphaltic concrete and mix for both items shall be laid with mechanical pavers. (ii) Quantity of bitumen in dense asphaltic concrete shall be used as per design mix and shall be approved by the Engineering Incharge. Any variation in quantity of bitumen in design mix shall be priced as specified in the particular specification through deviation order. Unit rate quoted shall deemed to include the cost of design mix.

2.5 mm thick road marking strips (reflective) of specified shade colour using hot thermoplastic material by fully automatic thermoplastic paint applicator machine, fitted with profile shoe, gum leds dispenser propane tank healers and profile shoe heater driven by skilled operator on road surfaces including cleaning the road surface of all dirt, scales, oil grease and foreign materials etc as per applicator specifications complete all as specified.

Rajesh Agencies