Construction of 10000 Litres Capacity Over Head Tank and Extension of pipeline at Ward no.2 Sanampalayam in Annur Town Panchayat

Amount

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Hand Stiff clay, Stiff black cotton, hard red earth, shales, murram, gravel, stone earth mixed with small size boulders SS.20B etc, complete as per Standard specification.

Supplying and filling in foundation with clean dry filling sand from the approved quarry including all cost and conveyance and all labour charges etc.,complete.

Plain Cement Concrete 1:4:8 (One cement Four sand and Eight aggregate) using 40mm gauge hard broken granite jelly for foundation including cost and conveyance of all materials including labour charge for mixing laying curing, watering if found necessary and laid in layers and not more than 30 cm thick etc., as per standard specification.

Providing and laying in position Standardised 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 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 -

For items 1.50m to 4.50m Below G.L

For items 0m to 1.50m Below G.L

For items Above G.L And upto4.50m

For items Above 0m to 4.51m to 7.32 From G.L

For items above 7.33m &up to 10.98m From G.L

Refilling with excavated earth other then sand Complying With Standard Specifications including all labour charges etc.completed

Supplying and erecting steel centering for sides and sophist of including necessary supports and shuttering to the required height for RCC items using MS sheets or suitable size of BG10 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 center to center and supported by casuarinas props of 10cm to 13cm dia spaced at75cm centre to centre complying with standard specifications etc., completed.

Below G.L Items

Below G.L

Curved surface

Square Coloumns

below g.l. to coloum

above GL to omt to 3.30mt

above GL to 3.31 to 4.30mt

above GL to 4.31 to 5.30mt

5.31mt to 6.30mt above GL

Supplying fabricating and placing in position of RTS steel rods for reinforcement including the cost of steel and binding wire etc., complete and as directed by Departmental officers.

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the reservoir including cleaning, preparing the surface and curing preparing the surface and curing etc., complete.

Supply and Delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for sides and steps in 16 mm MS plain rods fixed at 30cm C/C welded jointed etc ., providing with suitable side supports, clamps and locking arrangements provided with two coats of approved enamel paint over one coat of redoxide paint , for providing access to roof top of OHT of suitable inclined length , including bottom anchorage and transportation and as directed by TWAD Board officers. The rate includes concrete bed block in CC 1:2:4 using 20mm HBGS at top and bottom of suitable size with necessry anchor bolts.

Providing and fixing of RCC inner access ladder with RCC 1:1.5 :3 using 20mm HBG stone for OHT including casting of reinforcement, placing grill in positional, centering shuttering charges, mixing concrete curing etc., to required height

TowardsSupply and delivery of 2 " dia GI pipe B Class including cost and conveyence and all labour charges Etc.. Complete.

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 9,10 with standard specifications.

Cost and Supply of PVC Pipe 6kgsc/cm2 and GI pipes ISI Quality including loading and unloading charges etc., complete as per Specifiction.

Lowering PVC rigid pipes and specials to trench and laying to proper grade andalignment, jointing with PVC couplers withcement paste.

Refilling the excavated earth for pipe line trench including all labour charges etc., complete.

JAYABALAN S (BID ID -1473332)