Name of Work: Construction of Storm Water Drain with cover slab at Old TNHB Main Road,Old TNHB M - Type Cross Street 1,Periyar Street East,Old TNHB D -Type CrossStreet 1,Old TNHB M - Type Cross Street 2,Old TNHB M - Type Cross Street 2,Mariyamman Kovil Opposite,Thitta nagar Wellside ,Kalaignar colony Kovil North side,Kalaignar colony South street,Kalaignar colony Nadu street main,Kalaignar colony north main,Thitta nagar South side main,Nethaji nagar Park Road,Nethaji nagar North,Puthumariyamman kovil street Main road,Puthumariyamman kovil street Main road,Church Road,J.J Nagar 9th Cross,Akshra balahavan School road,KalkiKovil Street Cross 1,KalkiKovil Street Cross 2, KalkiKovil Street Cross 3,Gandhipuram Extension Road.
Sl. No.
Item Description
1
Earth work excavation in Sand silt or other Loose soil wet sand or silt not under water light black cotton soil sandy loam ordinary soil except hard rock requiring blasting including shering and shuttering andbailing outwaterwherevernecessaryrefillingthesidesof foundation with excavated earth in layer of 15 Cm thick well rammed consolidated and depositing the surp less earth within compound in placesshownbythedepartmentalofficerswithallleadsandlifts etc., complete.
2
Plain cement concrete of mix 1 : 4 : 8 ( one cement , Four sand and Eight aggregates ) using 40 mm ISS HBG metal for foundation and flooring,including,dewatering,iffoundnecessary,andlaidin layers of not more than 15 cm thick, well rammed and consolidated, including cost and conveyance of all materials and labour charges formixing,laying,compactingandcuringetc.completedasper standard specification and as directed by departmental officials
3
Supplyinganderectingcenteringforsidesandsoffitsincluding necessarysupportsandstruttingupto3.29Mheightforplane surfaces as detailed below in all floors with all cross bracings using MildSteelsheetsofsize90x60cmand10BGstiffenedwith welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cmdiaspacedatnotmorethan75cmcentretocentreetc. completecomplyingwiththestandardspecificaiton.(Paymentforcentering shall be given after the concrete is laid)a) For drain
4
For drain and culvert cover slab
5
Plain Cement Concrete 1:2:4 (one cement, two fine aggregates and four coarse aggregates) using 20mm size ISS HBG metal including costandconveyanceofallmaterialstositeandincludingforthe mixing,layingandlabourcharges etc.,completeasperstandardspecification a) For drain
6
Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractorhastomakehisown arrangements for the supply of steel and binding wire)
7
Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser/ super plasticiser) in recommendedproportions asper IS 9103 to accelerate, related settingofconcrete,improve workability without imparing strength and durability with about (5.0cum),7730Kgof 20mmmachinecrushedstonejellyandwithabout(3.3cum), 5156kg of 10 - 12mm machine crushedstone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges centering andshuttering butincluding laying, vibrating with mechanical vibrators, finishing, curing, etc and providingfixtureslikefanclampsintheRCCfloor/roofslabs wherevernecessarywithoutclaimingextracostetc.,complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS staandards. (No separatepayment willbemadeby theDepartment fortheexcess
8
Plastering with cement mortar (1:4) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc,complete complying with standard specifications (S.I.309)
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