the Construction of 100000 litre capacity U.G Sump Ayyakovil Navakarai Mavuthampathy

Amount

Earth work excavation for foundation in all soils and sub-soils such as hard stiff clay, stiff black cotton soil, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders, hard gravelly soil to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring, strutting and bailing out water wherever necessary and refilling the sides of foundation with excavated earth in layers of not more than 15cm. thick well rammed and consolidated and depositing the surplus earth in all places shown by the departmental officers with initial leads and lifts, etc., including levelling the site complete complying with standard specifications and as directed

For Hard soil 0 to 2m

For SDR

Levelling Cement Concrete 1:4:8 (One cement, four sand and eight aggregates) using 40mm HBG stone for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete.

RCC 1:1.5:3 (One cement, one and half sand and three agreegates) using 20mm HBG stone excluding cost of reinforce ment, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishsing, curing etc., complete. 1.50m to 4.50m below G.L.

upto to 1.50m below G.L.

Up to 4.50m above GL From GL

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets or susitable size of BG.10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding, laid over silver oak joints of size 10cm x 6.5cm spaced at 90cm centre to centre and supported by casurina props of 10cm to13cm dia spaced at 75cm centre to centre complying with standard specifications etc. complete PLANE SURFACE Below G.L 0.00m to 3.30m (Plane surface).

0.00m to 3.30m (Curved surface)

3.30m to 4.30m (Plane surface)

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets or susitable size of BG.10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding

Providing RCC 1:1.5:3 Ventilator of 0.15m dia using 20mm HBG stone including cost and conveyance

Supply and fixing delivery CI manhole frame cover of following size including cost of all materials

Colour washing two coats pigments including cost of one coat of white washing etc complete

Supply and fixing in position RCC 1:1.5:3 inside acess lader of following size using 20mm size 20mm size HBS jelly

Provision for supply and fixing of MS ladder including painting etc complete

Refilling the foundation with conveyed gravel in layers of not more than 15cm thick watering well ramming etc complete

Painting with two coats of best Plastic Emulsion paint including all cost of materials

Earth work excavation for foundation in all strata for laying pipes including refilling charges as directed by TWAD bd officers

Refilling with excavated earth including consolidatin etc. compete as directed by TWAD Bd officers

Cost and supply of 75 mm 6KSC pipes

Laying and Jointing of PVC pipes

Supply of Openwell sump Submersible pump with ISI Mark as per IS 14220 5 hp

Cost and supply 5 HP panel board

Provision for erection of Submersible Motor

Name board

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

S RATHINAVELUSAMY (BID ID -1126379)