Construction of OHT (10000) Ltr at Sampathinallur in Sithandi Panchayat Under Jal Jeevan Mission in Madhuranthagam Block

Amount

Earth work excavation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by TWAD board Officers

First depth of 2m From 0 to 2 m below GL

Sand filling for foundation with M. sand including cost of sand ,watering, ramming and consolidation etc complete as directed by TWAD Bord officers For Column Footing

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for foundation and footing including mixing, placing, ramming ,finishing curing etc. complete in accordance with standard specification and as directed by the TWAD Board Officers. For footing

Reinforced cement concrete 1:1.5:3 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying, and curing etc complete Below 1.5m from GL

0m to 1.50m below GL

0m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers. Below GL

From 3.30m to 4.30m above GL

From 6.30m to 7.30m

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

Curved Surface - upto 3.30m ht.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.( The steel should conform to the relevant ISspecification and supplied with test certificate Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.and as directed by the TWAD Board officers.

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete (using cement paint of colour as approved by the Departmental officer) and as directed by the TWAD Board officers.

Fabrication, 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 20000 litres 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 in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring,shuttering charges, mixing concrete,curing etc. to required height and clear width of 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

Supplying and fixing of water tight Manhole frame and cover ofMedium type) of size 0.60 x 0.60m in RCC 1 : 11/2:3 with suitable reinforcement and 50 x 50 x 6mm MS angle fixed along edges and as directed by the TWAD Board Officers.

Pipe connection arrangements for inlet,outlet,scour and overflow etc. including cost of pipes,specials,valve,labour charges for lifting, aligning, cutting, threading ,fixing and painting of GI pipes with two coats of approved quality enamal paint etc. complete as detailed below.

65mm GI pipes for inlet connection

65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

90mm PVC Threaded coupler

65mm GI pipe for delivery pipe

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm GI coupler

65mm GI union

65mm GI Elbow

65mm flange set

50mm flange set

50mm GI union

50mm GI Elbow

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

63 mm PVC 4Ksc Pipe

Brick work in CM 1:3mix using country bricks ground moulded of size 23 x 11 x 7cm for the following including curing etc.

Plastering with CM 1:4, 20mm thick.in all floors including curing etc., complete complying with standard specifications and as directed by the departmental officers. Rate for 10m2.

Earth Work Excavation For Pipe Laying Works Encasing Cable as Per ss 20B Soil

Supply & Delivery of 90mm dia pvc pipe (6KSC) For Cable Encasing

Supply & Delivery of 63mm dia pvc pipe (4KSC) For Cable Encasing

Labour Charge for Laying and Jointing of 90mm dia pvc pipe.

Labour Charge for Laying and Jointing of 63mm dia pvc pipe.

Refilling the Trench with Excavated Earth Complying With Standard Specification for Filling.

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

KRISHNAMOORTHY