Tender For Construction Of 60000 Litre Oht At Eb Colony In Harur Town Panchayat.; 1 Earth Work Excavation for foundation in all types of soils and sub soils to full depth (such as Soils in Rock / Silt / Light Black Cotton Soil / Ordinary Soil ) except in rock requiring blasting but inclusive of shoring, shuttering and bailing out water wherever necessary and refilling the sides of foundation with excavated earth other than sand in layers of 150 mm thick well rammed and consolidated, depositing the surplus earth in places shown by the Departmental Officers with initial lead of 10 m and initial lift of 2 m. Complete as per TNDSS23 & 24, V, VI (S2), VII, 9,10 First depth of 0 to 2m 2 Plain Cement Concrete of mix 1 : 4 : 8 (One pat of Cement four part of sand eightpart ofaggregates) 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. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII 3 Providing and laying in position Standardised Concrete Mix M-30 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 400Kg/ cum and maximum water cement ratio of 0.45 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone sand (M- Sand) but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., 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 standards.Column footing 1.50 m to 4.50 m below GL 4 0 M to 1.50 m below GL 5 0 M to 4.50 m from GL 6 4.50 M to 7.32 m from GL 7 7.32 M to 10.98 m from GL 8 Supplying and errecting centering to sides and soffits including supports and struttingfor drainage sides andculvert body wall sidesusing 90cm x 60cm and B.G 10 stifenedwith welded mild steel angles of size 25mm x 25mm x 3mm for boardinglaid over( silver oak joists ) of size 10cm x 6.50cm spread 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&86 PLAIN SURFACE CENTERING a) Below ground Level 9 b) 0 M to 3.30 m from ground Level 10 c) 3.30 M to 4.30 m from ground Level 11 d) 6.30 M to 7.30 m from ground Level 12 CURVED SURFACE CENTERING a) 0 M to 3.30 m from ground Level 13 b) 3.30 M to 4.30 m from ground Level 14 COLUMN CENTERING a) Below ground Level 15 b) 0 M to 3.30 m from ground Level 16 c) 3.30 M to 4.30 m from ground Level 17 d) 4.30 M to 5.30 m from ground Level 18 e) 5.30 M to 6.30 m from ground Level 19 f) 6.30 M to 7.30 m from ground Level 20 Supplying fabricating and placing in position of steel rods using TMT Steel rodincluding cost of binding wire, cost of labour charges for fabrication and placing in positionetc. Complete. Complying with std. specifications.TNDSS NO: 86 21 Painting thewalls with TwoCoatsWeather sealedExterior emulsion Paint as instructed by the departmrntal officers includingPreparation of surface curing, etc complete in all floors complying with standard specification.( The Colour and shade of the paint shall be got approved by the departmental officers.) 22 Provision for pipe connection arrangements for inlet outlet, scour and overflow etc., including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixingof GI pipes etc., complete as detailed below. 80 MM Dia. GI Pipe 23 50mm Dia 50mm GI pipe 24 Supply , delivery and fixing in position of CI man hole cover and frame of size 60X60 cm on roof slab and as directed by the DepartmentalOfficers, The manhole frame and cover should be of lightduty and conforming to IS 1726/1974 25 RCC 1:1:5:3 (One Part of cement one and halfpart ofsand and three part of20mm size HBG stone) for the RCC inside ladder for 60000litres OHT includingthe cost of reinforcement fabricating centering and shuttering,cost of mixing placing of concrete vibrating curing, finishing etc., complete 26 Providing MS Ladder outside the OHT including painting two coats of approved colour and fixing with concreteetc., complete 27 Lettering the name board with painting and all labour charges in the service reservior etc., comlplete. 28 Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc.,as per SS 20 A. TNDSS NO: 23 & 24 VI (S2) VI,VII 9,10with standard specifications. 29 Supplying and conveying of 75mm dia in size of HDPE pipes to site confirming to specifications as per IS 8329:2000 for standard length including cost of pipe, testing charges at factory, labour charges for loading, unloading and stacking at site and all other incidental charges etc., complete as per standard specifications and as directed by the Engineer. 30 Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers 31 Refilling the pipeline trenches with excavated earth for 90mm dia HDPE Pipe complying with standard specifications.
