PERFOMANCE BASED MAINTENANCE CONTRACT ON ALL ROADS UNDER PWD SUB DIVISION CHITRANGI (TOTAL LENGTH 96.68 KM.)

2.2 Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting rankvegetation, grass, bushes, shrubs, saplings and trees having girth up to 300 mm, removal of stumps of trees cut earlier and disposal ofunserviceable materials and stacking of serviceable material up to a lead of 1000 metres including removal and disposal of top organicsoil not exceeding 150 mm in thickness.

10.1 Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat with bitumen emulsion, 20 mm thick pre-mix carpet using catonic bitumen emulsion @ 21.5 kg per 10 sqm and seal coat type B with bitumen emulsion @ 10kg per 10 sqm as per technical specification and compacting with three wheeled 80-100 kN Static Roller

2.5 Dismantling of Cement Concrete Pavement Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling Serviceable material at designated locations and disposal of unserviceable materials up to a lead of 1000 meters

6.3 Cement Concrete Pavement Construction of un-reinforced, dowel jointed, plain cement concrete pavement with M-40 grade concrete over a prepared sub base with cement , coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed ina batching and mixing plant as per approved mix design, transported to site, laid with electronic sensor slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, admixtures as approved, curing compound, finishing to lines and grades as per drawing as per IRC 15 2011 and as per relevant clauses of section 602 of specifications complete but excluding cost of steel in dowel bar and tie rods etc.

6.5 Deduct from Item No.6.3 & 6.4 above if slip from paver with electronic sensor is not used and laying, compaction is done by any other method (The acceptance criteria regarding level, thickness, surface regularity, texture finish, strength of concrete and all other quality control measures shall be the same as in case of machine laid work.)

Add extra in Item No.6.3, 6.4, 6.6 & 6.10 above for the cost of steel in dowel bar and tie rod including craddle, laps etc. complete required as per design. Mild steel

Add extra in Item No.6.3, 6.4, 6.6 & 6.10 above for the cost of steel in dowel bar and tie rod including craddle, laps etc. complete required as per design. Tor steel

10.13 Repair of joint Grooves with Epoxy Mortar Repair of spalled joint grooves of contraction joints, construction joint, longitudinal joints and expansion joints in concrete pavements using epoxy mortar or epoxy concrete.

10.14 Repair of old Joints Sealant Removal of existing sealant and re-sealing of contraction, construction longitudinal or expansion joints in concrete pavement with fresh sealant material

10.12 Repair to cement concrete road by providing laying & Fixing mortar-based patch master & Liquid rapid harding chemical including cleaning of concrete surface and applying of special bounding liquid