119/2024 Operation and maintenance Scheme 2024 - 25

Amount

Earthwork excavation in all soils and sub soils except hard rock not requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering , ramming ,depositing the surplus earth in the premises as directed by departmental officers etc., complete as per standard specification. as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10

Plain Cement Concrete of mix 1 : 4 : 8 (One Cement Four sand Eight aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including formwork and centering labour charges, transporting and placing in position including shoring, strutting, forming protective bunds, cofferdams bailing out of water labour for mixing compacting, finishing and curing, working at depths, tools and plants and incidental charges such as sheeting, shoring and bracing and their subsequent removal etc., complete as per standard specification.as per the standard specifications. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Supplying and errecting centering to sides and soffits including supports and strutting for drainage sides and culvert body wall sides using 90cm x 60cm and B.G 10stifened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over( silver oak joists ) of size 10cm x 6.50cm spaced at about 90cm including all labour charges and cost and conveyance of all materials to site etc. complete complying with standard specification. TNDSS NO: 30&86For Drain

For Culvert

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.

Supplying fabricating and placing in position of steel rods using TMT. or Ribbed Tor Steel including cost of binding wire, cost of labour charges for fabrication and placing in position etc. Complete. Complying with std. specifications.

Reinforced Cement Concrete 1:1½:3 Mix (One part cement, one and half part sand and three part of aggregate)using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc. Complete with std. Specifications.

Finishing the top of flooring with granolethic floor finish in cement concrete 1:2:4 mix using 10-12mm ISS metal to 25mm thick including cost and conveyance of all materials to site and all labour charges for mixing, laying, curing etc complete.

Providing and laying Tack Coat over existing B.T Surface using 2.00 Kg of Bitumen Emulsion (RS1) per 10 sqm for prparatory to another bituminous construction over it, including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per Clause 503 of MORTH Rev-5

Providing and laying Bituminous Concrete 40mm Consolidated thick using 0.13 cum of 19.00 – 9.50mm,0.17 cum of 9.50-2.36mm and 0.26 cum of 2.36 mm & below with 45.27 kgs of 60/70 Grade Bulk bitumen & 5.03Kgs of Shreeded Plastic(10%) for premixing per 10 Sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregates to required temperature and mixing them in 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 40 mm with mechanical pavers to the specified grades and cross sections and compaction by Vibratory/Pneumatic rollers to the required density etc., including labour for loading bitumen into bitumen tank and Metal to feeder unit, labour for attending to paver site etc., including hire charges and fuel charges for 20 – 30 ton CMP With bitumen boiler tipper,trucks, paver Finisher/9M, Vibrator rollers and all other tools and plants required,including all other incidental charges etc., complete as per standard specification using CMP Clause 507 of MORTH Rev-5

Providing and laying 50 mm conslidated thick Dense Bituminuous macadam using 0.24 cum of 26.50-13.20 mm,0.25cum of 13.20-2.36mm and 0.23cum of 2.36mm and below and with 53.20kg of vt 30 bitumen premixing 10 sqm including cost and conveyance of all materials to CMP site,heating the bitumen and aggregates to required temperature and mixing them in required temperature in central hot mix plant 20-30 tons capacity,conveying the mix by tipper trucks to work site,spreading the mix uniform thickness of 50mm with paver to the specified grade and cross sections and compaction by vibratory/ pneumapic roller to the required density etc., including labour for accending to pavor at sites etc., including hire charges and fuel charges for 20-30 CMP with bitumen tipper trucks, paver finisher/9 m paver finisher,vibratory/ pneumapic rollers and all other tools and plant required including to all other incidental charges etc., complete as per specification using CMP as clause 505 MORTH Rev-5.

V K PALANISAMY (BID ID -1119599)