Raising of UGD machineholes and replacing of ugd manhole fibre reinforced concrete cover with frame for Zone3 In Kumbakonam City Municipal Corporation

Dismantling the RCC by manual / by using deploying machineries

Labour charges For B.T road cutting open road cutting open road for laying water mains or sewer surrounding the manhole, clearing the debris away from the site as instructed by the departmental officers cost including all costs etc complete as per standard TWAD specification

Labour charges For CC road cutting open road cutting open road for laying water mains or sewer surrounding the manhole, clearing the debris away from the site as instructed by the departmental officers cost including all costs etc complete as per standard TWAD specification

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without inspiring strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcement grill and fabricating charges, centering and shuttering and also 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, 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 requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Supply and erecting steel fabrication placing in position mild stal or ribbed for steel for all RCC as per design giving including cost od steel and binding wire etc., complete.

Cement Concrete 1:1-1/2:3 (One Cement, One and a half crushed stone sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including Super Plasticiser, laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers - manual mix

Brick Work in Cement Mortar 1:5 [One cement and five sand]Mix using IInd class table moulded chamber burnt bricks of size 9 complying with stand 9" x 4 3/8" x 2" (23 x11x7 cm) for the following inclduing curying etc., complete standard specifications. (Masonary projections whereever necessary for obtaining required elevation shall be done without extra cost. (for foundations and basement)

Plastering the surface of walls with Cement Mortar 1:3 (One cement and Three plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc., complete complying with standard specification and as directed by the departmental officers.

Supply and delivery of following sizes of FRC Manhole Covers / Frames to stores as per IS 12592:2002 to its latest revision with reinforcement details for covers and frames