WB/PWR/EE/BHDII/NIT25/25-26/4

Patching of potholes by draining water, cutting the pothole area to rectangular shape with vertical edges, removing all loose materials, screening and stacking the same for reuse with new materials as per requirement, filling the pothole area with additional volume of crushed stone materials / laterite / Jhama / broken shingles / coated stones of Pakur variety etc. and screenings as applicable, and compacting the same with static roller as per Water Bound Macadam Specification, including cost of all materials and machineries. with stone metal (Gr.2) & stone scr. Type B. (0.21 cum)

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For WBM / WMM Surface: (with primer @ 0.85 kg/sqm)

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 Bituminous Surface (Using Bitumen Emulsion at the rate of 0.250 kg per sqm.)

On grannular surface treated with primer. (Using Bitumen emulsion @ 0.275 kg/sqm)

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 coat. [Tack coat is to be considered separately] With premix chips- using Mobile H.M.P (Light duty)

Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²) size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heating stone chips and fully pre-coating the same either using viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by any suitable arrangements, laying the mixture uniformly over the surface, including line, grade and level to serve as wearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant (Light Duty) and thoroughly rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including the cost and carriage of stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete as per clause 510 of specifications for Road and Bridge Works of MoRT&H using Mobile HMP (Light duty)

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 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, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates 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 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). with grit (2.36 mm to 180 mic) by mechanical means with hot Bitumen Binder (@ 6.80 kg/10 sqm)

Supplying and laying in specific pattern of Interlocking Concrete Block Pavements (ICBP) with concrete blocks ( with concrete grade as spefied as per Table I of IS 15658:2006) manufactured in steel mould clamped to vibrating table by hydraulic pressure (as per cl. no. 6.30 of IRC : SP: 63(2018), from BIS licensee manufracturer , with spacer nib (small pro protruding profiles on vertical face of paver block used as device for keeping joint gap in betwen the block as per cl. no. 3.26 of IS : 15658) and of spefied sized and shape acpect ratio (the ratio of lenth to thickness of apaver block , as per cl. no. 3.3 of IS: 15658) as per table 2 of IS: 15658 with flexural stenght / breaking load as per Annexture G of IS: 15658, on the prepared base course of specified CBR as per table no. 1 of IRC SP 63(2018)or else as mentioned in desing and drawing with a cushion of compacted beding sand of 25-35 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP - 63) and filling up the gaps in between paver blocks with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2 of IRC SP 63) and completing the edges with cutt block as per Cl. no. 8.7 of IRC SP -63(2018) with prpper confinement of beding and joint filling sand, compactio , levelling and filling up of the edge gaps. 100 mm thick Grey

Add GST @ 18% of sum of item 1.00 to 7.00

Add L.W. Cess @ 1% of sum of item 1.00 to 8.00

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