Improvement of Natteri Sunnaipattu Road Km 0/0-1/900 R193 with 5 Years Routine maintenance in Vembakkam Block TVM/2025-26/294 under NABARD RIDF 2026-2027

Part I : Improvement of the Road Natteri Sunnaipattu Road Km 0/0-1/900 R193

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, scrubs,saplings and trees of girths upto 300mm, removal of stumps of such trees cut earlie and disposal of unserviceable material and stacking of serviceable materials to be used or auctioned, upto a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm thickness as per technical specification clause 201. etc. comp.

Picking old metalled/BT surface upto 10cm thick as directed by the departmental officers

Earth work excavation in all classes of soils except hard rock requiring blasting depositing on bank with initial lead of 10M and lift of 2M including all labour charges and incidental charges such as shoring, strutting, providing coffer dams, bailing out of water and other item which may be necessary or convenient to the succesful completion of the excavation in a compacted condition a quality of materials not exceeding the amount of excavation including all machinery charges for T&P employed etc., complete for cutting side drains and forming berms as per standard specifications.

Providing and laying including cost and conveyance of gravel from approved sources to work site including labour for spreading, watering and compacting by power roller to achieve the required Proctor density at 100% compaction at Optimum moisture content and hire fuel charges for powerroller, watersprinkler and all other incidental charges such as traffic barricading and providing dangerlights etc. comp for base-course and side berms

Construction of Granular Sub base by providing well graded material (25 mm to 4.75 mm IRC HBG metal @ 65%,4,75 to 2.36mm IRC HBG metal @20%&2.36 mm below IRC HBG metal @15%)& (the material passing 425 microns sieve shall have liquid limit and plasticity index not more than 25 & 6% repectively) spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotovator at OMC and compacting with three wheel 80-100 KN capacity and finished in accordance with the requirements of the specification and thickness as per approved plans or as directed by the Engineer

Providing and laying spreading and compacting graded stone aggregate to Wet Mix Macadam (WMM) 250 mm thick, including premixing the material with water at OMC in machanical mix plant carriage of mixed material by tipper to site laying in uniform layers 250mm thick with pavers in SubBase/Base course on well prepared surface and compacting with vibratory Soil Compactor to achieve the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as pwe clause 406 of MORTH Rev-5

Applying tack coat over Un Primed WMB/WMM surface at 7Kg of SS-1 per 10 Sqm. area including cost of bituminous binder at the site including labour charges for preparing the surface and applying the required quantity of bituminous binder as tack coat including hire charges and fuel charges for bitumen boiler and all other tools and plants employed etc., complete as per clause 503 of MOST specification.

Providing and laying TACK COAT over the WMM surface (treated with primer) using 2.50 Kg of Bituminous Emulsion RS I for 10 sqm. Including cost of bituminous emulsion which will be supplied by the department at section stores and its cost will be recovered as per special condition appended including labour charges for preparing the surface for laying tack coat and for applying required quantity of bituminous emulsion by mechanical sprayer including hire and fuel charges for all tools and plants employed etc., complete as per clause 503 of MOST specification.

Providing and laying Bituminious concrete to 25mm thick using 0.13cum of 19.00-9.50mm. 0.17cum of 9.5-2.36 and below with 50.3kgs of VG30/VG40 heating the bitumen and aggregates to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, carrying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonnes vibratory/phenumatic roller to the required density etc., including labour for attending to paver to site etc. including hire charges and fuel charges foe 20-30t CMP with bitumen boiler, tipper trucks, paver finisher/9m paver finisher, vibratory/phenumatic roller and all other tools and plants required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clauses 507 of MORTH Part-5

Provision for Hectometer Stone

Provision for Kilometer Stone

Provision for Name Board

Construction of Retaining Wall at 1400m

Earth work excavation in all classes of soils except hard rock requiring blasting depositing on bank with initial lead of 10M and lift of 2M including all labour charges and incidental charges such as shoring, strutting, providing coffer dams, bailing out of water as per 20B

Cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete

Cement concrete 1:3:6 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete for Foundation

Cement concrete 1:2:4 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete for Superstructure

Supplying and erecting centering shuttering including necessary supports far pline surface in foundation and superstructure for Abutment /pier using mild steel sheets of size 90 x 60 cm and 10 guage stiffened, 8 welded with mild steel angles of size 25mmx25mmx3mm for boarding laid over silver oak (country wood) scantlings of size 10cm x 6.5cm spaced of about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete complying with standard specifications

Towards the charges for routline maintenance of the road work executed under NABARD Fund including dressing of berms by refilling the gully with the earth from borrow pits, cleaning of wild seasonal growth on berms, destilting of side drains and CD works, white washing guard stones, painting of KM, HM stones, parapets, cutting of branches of trees, refixing displaced guard stones, caution boards, speed limit boards etc., with the periodicity for the above activities as prescribed in IRC-SP-20:2002 and as directed by the departmental officers except for the constructional defects which has to be rectified by the contractor at his own cost for carriageway width of 3.00m & 3.75m

For the First Year from the date of completion of work

For the Second Year from the date of cpmpletion of work

For the Third Year from the date of completion of work

For the Fourth Year from the date of completion of work

For the Fifth Year from the date of completion of work

GST Amount for providing Service to Government Contract Works for the above Construction Works. {GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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