GP GF

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material as per Technical Specification 305 MORD / 304 MORTH

Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with all lifts and lead upto 1000 m as per Technical Specification Clause 305.4.3 MORTH

Construction of granular sub-base by providing well graded HBG material (Grading III material) mixing in a mechanical mix plant at OMC, carriage of mixed material to work site upto lead of 1000 m spreading in uniform layers with motor grader on prepared surface and compacting with Vibratory Roller 80-100 kN/ Smooth wheel roller 80-100 kN to achieve the desired density, complete as per Technical Specification Clause 401 MORD.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN / Vibratory Roller 80-100 kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406 MORD / MORTH.

Providing and applying primer coat with bitumen emulsion (CSS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502 MORD.

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503 MORD

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 a suitable plant, laying and rolling with a three wheel 0-100 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 508 MORD.

Providing and laying bituminous premixed Seal coat (Type B) comprising of a thin application of fine aggregate premixed with bituminous binder of grading as defined in table 500.16 of MOST Crushed sand defined as passing through 2.36 mm sieve and retained on 180 micron seive applied @ 0.06 cum per 10 sqm.to be laid simultaneously along with the bitumunous course using 6.80 kgs of bitumen 60/70 grade for 10 sqm and rolling with power roller including of required line, level, grade to serve as wearing course on previously prepared surface and finishing to rquired level and grades including cost and conveyance of all materials from approved sources and stacking at site to departmental gauge for premeasurements, seigniorage, labour charges and hire and operational charges of power road roller 8 to 10 tonnes capacity and all other machinery, tools and plants, providing barricading for diversion of traffic, erecting red flags other incidental and operational charges etc., complete for finished item of work as per technical specification clause 508 of MORD'2014.

Construction of shoulders with local selected Material including cost and coveyance of all materials and labour charges etc.