IMPROVEMENTS OF ROADS INSIDE THE CAMPUS NORTHEN SIDE AND SOUTHERN SIDE AT TNAU COIMBATORE

Amount

Earthwork excavation and depositing on banks within initial lead of 10 meters in hard stiff clay, stiff black cotton soil, hard red earth, shale, murrams, hard gravelly soil, stony earth and earth mixed with 50% fair sized boulders etc., with conveyance of 1 km lead as per standard specifications and as directed by the departmental officers.

Picking the existing BT road 5cm to 10cm depth specification etc., complete as directed by the departmental officers.

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401- (Rate for grading-V Material)

Providing gravel soling 300mm thick and laid in layers of not more than 75mm thick including cost and conveyance of gravel to work site including labour for laying spreading of gravel to proper camber and consolidated with power roller to active the 100% procter density under optimum moisture content including watering hire for power roller,water springler and all tools and plants employed and all other incidental charges etc., complete as per standard specification and as directed by the departmental officers.

Providing and laying spreading and compating graded stone aggregates to Wet Mix Macadam 250mm thick spectification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, laying in uniform layers with pavers in sub-base, base course on well prepared surface and compacting with vibratory roller to achieve the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., etc., complete as directed by the departmental officers and as per technical specification clause 406 of Morth REV - 5

Providing and laying Prime Coat over WBM / WMM surface using 7 Kg of Emulsion Bitumen (SSI) per 10 sqm for preparatory to another bituminous construction over it, including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., Complete complying with the standard specification and as directed by the departmental officers and as per Clause 502 of MORTH Rev - 5

Providing and laying Tack Coat over WBM / WMM Surface (treated with primer) using 2.50 kg of bitumen emulsion (RS1) per 10 Sqm for preparartory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel adn all other incidential charges etc., complete as per clause 503 of MORTH Rev-5

Providing and laying 50 mm consolidated thick bituminous macadam using 0.20 cum of 26.50 to 13.20 mm, 0.43 cum of 13.20 to 2.36 mm and 0.08 cum of 2.36 mm & below size IRC metal with 37 Kgs of VG 30 / VG 40 bitumen for pre mixing per10 sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 2030 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 50 mm with mechanical paver to the specified grades and cross sections and consolidated by 8 tonne Vibratory / Pneumatic Roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 2030 ton CMP with bitumen boiler, tipper trucks, Paver Finisher / 9 m paver finisher, Vibratory / Pneumatic roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clause 504 of MORTH Rev-5

Providing and laying Tack Coat over existing BT surface using 2.00 Kg of Bitumen Emulsion (RSI) per 10 sqm for preparatory to another bituminous construction over it, including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., Complete complying with the standard specification and as directed by the departmental officers. as per Clause 503 of MORTH Rev-5

Providing and laying Premix Carpet with Seal Coat (Type - A) to 20mm thick using 0.18cum to 13.20mm, 0.09 cum of 11.20mm and 0.09 cum of 6.70mm IRC metal with 24.40 kgs of VG 30 bitumen for premixing per 10 sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregrate to required temperature and mixing the min required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 50mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne vibratory / Pneumatic roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20 - 30 ton CMP with bitumen boiler, tipper trucks, paver finisher / 9m paver finisher, Vibratory / Pneumatic roller and all other tools and plant required, including fuel and all other incidental charges etc., Complete as per specification using CMP as per clause 504 of MORTH Rev-5.

RAMKUMAR