Annual Maintenance of Chaffla - Mayurbhanj Road for the year 2025-26.

Labour for scraping cleaning the road surface applying tack coat using 3.0Kg of bitumen for 10 Sqm and laying 75mm thick built up spray grouting in two layers 7.5mm thick each layer using 0.45cum of 25mm to 40mm size hard granite metal and 12.00Kg penetration grade of bitumen for 10 Sqm in each layer with 0.12cum of 12mm size hard granite chips as key stone for 10 Sqm spreading over and laying including heating pouring and spreading over and spreading bitumen metal and chips and rolling with PRR including hire and running charges of PRR and all other machineries but excluding cost and conveyance of bitumen, metal and chips complete as per specification and direction of Engineer-in- Charge

Providing, laying, spreading and compacting of (63 mm to 45mm) stone aggregates of specific sizes to water bound macadam Grade-II specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density as per Clause 404 of MoSRT&H Specifications for Road & Bridge works etc. complete as per direction of the Engineer-in-charge.

Providing, laying, spreading and compacting of (53 mm to 22.4mm) stone aggregates of specific sizes to water bound macadam Grade-III specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density as per Clause 404 of MoSRT&H Specifications for Road & Bridge works etc. complete as per direction of the Engineer-in-charge.

Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means as per Technical Specification Clause 502.of (MORD) specification & as per direction of the Engineer-in-charge.

Providing and applying tack coat with 60/70 grade Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503of (MORD) specification & as per direction of the Engineer-in-charge.

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base including mixing in a suitable plant, laying and rolling with a three whell 80-100 KN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per technical specification clause 508of (MORD) specification & as per direction of the Engineer-in-charge.

Providing 6 mm thick precoated seal coat type -B using 0.06 cum of 6.7 mm size chips & 6.8 kg of bitumen per 10sqm including consolidation with PRR, cost & conveyance of materials, labour, T&P, royalty & taxes etc. complete as per direction of the Engineer-in-charge.

Collecting ,conveying supplying good laterite moorum of approved quality from approved quarry laying, dressing to proper thickness compacting by HRR including cost, conveyance, royality, taxes of all materials, labour, T&P etc.complete as per Direction of the Engineer-in-charge.

Providing and fixing of semi reflective cautionary, mandatory and informatory sign board as per IRC:67 made of 1.5 mm thick MS Sheet duly stove white colour in front and gray colour on back with red reflective border of 65 mm width and required letters and figures with reflective tape engineering grade as per Clause 1701.3.9 of MORD for Rural Roads of required shade and colour supported and welded on 47mm x 47 mm x 12 SWG sheet tube firmly fixed to the ground by mean of properly designed foundations with M-15 grade cement concrete 450x450x600 mm, 600 mm below ground level as per approved drawing Clause 1701.2.2 of MoRD and as per direction of Engineer-in-charge. (i) 600mm Circular

Construction of RCC guide posts of 200 mm dia M15 grade cast-in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical RCC posts not to exceed 1 in 500 as per drawing and Technical Specification etc.complete as per direction of Engineer-in-charge.

Reinforced cement concrete M15 grade Kilometer stone/ local stone of standard design as per IRC:8 fixing in position including painting & printing etc. as per the drawing &technical specification clause 1703 of MoRD and as per direction of Engineer-in-Charge. (i) Fixing of ordinary Stone

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