WBPWRD AHSD AE NIT 02

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing,drying as necessary and heating the chips or metal where necessary, cutting pot holes to regular shapes with vertical edges, cleaning the disintegrated materials, heating matrix and applying tack coat (including sides), finishing the top of repaired surface levelled with adjoining area, including cost and carriage of stone aggregates and matrix, excluding cost of applying tack.i) With premixed Chips or Bajrees with 54 kg of bitumen per m3 of loose net volume of stone chips using concrete mixer machine. (b) Using Mobile HMP (Light duty)

Providing and laying Premixed seal coat Type B with approved quality sand/grit @ 0.6 m3/100m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat including heating and mixing cleaned sand/grit (100% passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder,laying and spreading the mix at an uniform rate using suitable means, brushing the surface if necessary, to ensure uniformity, follwed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggreagates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries tools & plants required for construction and quality control complete as per clause 511of specifications for Road & Bridge works of MoRT&H (5th Revision).

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.)

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iv) For Construction of Sub Base by compacting R.B.M.

Dressing and chilchalling Road flanks including cutting and filling with earth up to 150 mm average thickness finished with outward cross-grade of 1 in 30.

Add GST @ 18% on item no. 1 to 05

Add Labour Welfare Cess @ 1% of Item No. 1 to 06