Water Resources Department Tender

Construction of RCC cast-in-place diaphram wall of 0.75 m thickness with M25 (1:1:2) grade of concrete having characteristic strength not less than specified in the IS 456-2000 using ordinary portland cement with minimum cement content of 473 Kg/m3 confirming to IS 8112 (including 10% excess of cement for under water construction works but excluding cost of steel reinforcement and guide wall ) . Coarse aggregates having a specific gravity of 2.60 using 20mm down graded hard blue granite broken stone jelyy and fine aggregate as per IS 383-1970(2007) with suitable water cement ratio not exceeding 0.55 of water quality confirming to IS 456-2000 including use of super plasticizer of approved make & dosage of require3d grade at all locations and levels with specified high workability as per IS 1199-1959(2004) . The initial & final setting time conforming IS 12269-1987(2004) of concrete at the time of placing. The admixture affecting the quality and strength of the concrete should not be used and should confirm IS 9103-1979 ( usual admixture 0 air entraining & water reducing ) including cost of all materials, labour, lead, lift with placing the reinforcement cages including necessary duly approved welded reinforcement, with placing and removal of end pipe arrangement as designed and concreting using termite pipe arrangement for sub surface panel upto required top level by adopting either successive panel or alternate method technique to from a good continuous leak proof joints to the length and levels fully conforming to the requirements of IS 9556 & Is 14344 with specified cut of level and founding level including dismantling the overburden concrete over the diaphragm wall and conveying & dumping in low lying area, hire charges for the required machinery with fuel and crew charges as well as mobilisation & demobilisation of equipment, testing charges as per IS 456-200, 4031-(part 3 & 6)/1988(2005) & Part 2 /1999(2004) , 4926-1976 (1990) mix design details to be got approved before commencement of the work adopting pour card system and other ok kards., excluding the cost of form works, centering , shuttering and cost of reinforcement grills placed in position etc complete complying with standard specification and as directed by the Departmental Officers.

Supplying, fabricating and placing in position of Mild Steel or Ribbed Tor Steel for all RCC works as per design & drawing given including cost of steel, binding wire and labour charges for cutting, bending, laying in position and tying with binding wire, etc. complete complying with standard specifications and as directed by the departmental officers

Providing launching apron using new jeddy stone of size not less than 300 mm thick and weight not less than 40 Kg including the cost of new wedges for filling the gaps, finishing etc complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 10 grade using graded hard blue granite broken stone jelly of 40 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Supplying and erecting centering for vertical plain / RCC concrete walls of supply channel, retaining wall etc for following height with necessary supports, all cross bracing with mild steel size of 90 cm x 60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 7.50 cm x 5.0cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C / C, etc., complete complying with standard specifications and as directed by the departmental officers

upto 0.90 m Height

from 0.90 m to 1.80 m Height

from 1.80 m to 2.70 or 3.00 m Height

Providing and placing in position of plain cement concrete M 15 using hard blue granite broken stone jelly of size 20 mm mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using vibrators, finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Gravel backing for revetment in layers not exceeding 15 Cm thick including stacking for premeasurement, watering, consolidation and trimming the top surface so as to receive the rough stones, etc complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing the Cement concrete block of size 300 mm X 250 mm X 200 mm of M 15 using hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost and conveyance of all materials to work site, labour charges for fixing the same in position and including all other incidental charges, compacting, consolidation by using vibrators, finishing, watering, curing etc complete complying with standard specifications and as directed by the departmental officers

Dewatering using 10HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete complying with standard specifications and as directed by the departmental officers.

Earth work excavation in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 22 KMMR by deploying earth moving machineries and tippers including benching formation of bunds, breaking clods, ramming, sectioning, including Watering and consolidation by power roller and including hire charges etc., complete complying with standard specifications and as directed by the departmental officers.

GST 18% IN FIGURES