Thovalai Block Construction of Infiltration well at Sadaiyalpuram Pazhaiyaru River in Thirupathisaram Panchayat

Providing Infiltration well at Chadayalpuram River in Thirupathisaram Village Panchayat.

Earth work excavation above water level in light or sandy or clay soil for infiltration well of 4.50 m dia (internal ) including levelling the site and as directed by the excavation for infiltration well for first depth of 1.00 m

Reinforced Cement concrete 1:1.5:3 using 20mm ISS HBG metal for all RCC item of works excluding cost of Rein forcement and fabricating charges, centering and shuttering but including curing and providing fixtures like fan clamps in the RCC floor or roof slabs wherever necessary and bearing surfaces of walls , sides and bottom of the slabs, beams etc., shall be finished smooth with cement mortar 1:3, 12mm thick. and with kraft paper without claiming extra as directed by the departmental officers complete complying with standard specifications. Rate for 10m3

Sinking of infiltration well of 4.50m internal dia and 5.40m external dia below water level including all incidental charges in light (Or) sandy soil

First depth of 2.0m

second depth of 2.0m

Third depth of 2.0m

Porous concrete in CC 1:4( onecement and four harbroken granite jelly if size 20mm) for steining of infiltration well excluding cost of centering but including curing etc complete and as directed by the TWAD board officers

Plain Cement Concrete 1:3:6 (one cement, two M.Sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Supplying & Erecting centering for sides & soffiots including necessary supports & strutting for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle of size 25 x 25 x 3mm for boarding laid over silver oak joists(Country wood) of size 10 x 6.5cm spaced @ about 90cm c/c and supported by casurina props of 10 - 13cm dia. spaced @ 75cm c/c etc., complete complying with standard specifications and as directed by the departmental officers. Rate for 10m2.for the following items.(RCC plinth beam grade beam etc., ).

For Plane surface

For Curved surface

Supplying fabricating and placing in position mild steel or ribbed for steel for all reinforced centre concrete works as per the design given including cost of steel and binding wire in all floors etc, complete complying with standard specification.

Plastering in cm 1:4 12mm thick including curing etc complete and as directed by TWAD board officers

Plastering in cm 1:5 20mm thick including curing etc complete and as directed by the TWAD board officer

Supply and delivery and fixing in position 50mm thick RCC manhole coverslab of size 0.60x0.60m with necessary reinforcement and MS angle of size 50mmx50mmx6mm thick fixed alround the edges of the slab complete and as directed by the TWAD board officers

Supply and delivery and fixing of CI steps in position at 30cm center to centerin zig zag mannered and as directed by the TWAD board officer ( PWD SOR M- 0653 P. No 102 )

Providing confirmatory bores to ascertain sand depth and locating well site before commencing the work

Colour washing the outside of well plastered surface and side of roof slab

Sub - Estimate for Water supply arrangement

Supply and delivery of three Phase 7. 5 HP submersible pumpset suitable for 200mm dia bore well as per IS 8034/W02 with out panel board having duty condition of 200LPM head discharge against the head of 75m

Supply and delivery of three Phase 7.5 HP Panel baord D.O.L with two level Guard And Auto Start

Labour charges for erection of 7.5HP submersible pumpset in the bore with including fixing of panel board cable etc and testing the pumpset.

Supply and delivery of PVC insulated and sheathed 3 core flat type 6 sq.mm copper cable

Supply and delivery of following errection materials

65mm GI pipe

65mm GI flange set

65mm GI NRV

65mm GM gate valve

65mm GI elbow

65mm GI hex nipple

65mm GI coupling

65mm clamp set

65mm GI pipe nipple

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}