Construction of SR Service Reservoir at Thukjey Gompa, Laying and Fitting of HDPE pipeline for providing FHTCs at SamadRokchan Thukjay Gonpa and Samad Tr

Earth work in excavation by mechanical means (Hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge..

Ordinary rock

Hard rock (BP)

Dumping stone in horizontal on level in foundation including cost of stone.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level. 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand) B) Gate Valve Chamber:

Centering and shuttering including strutting, propping etc. and removal of form for. Foundations, footings, bases of columns, etc. for mass concrete. a) Foundation

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Lintels, beams, plinth beams, girders, bressumers and cantileversc) Qty: Beams

Arches, domes, vaults up to 6 m spand) Dome

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5m.

15 mm cement plaster on rough side of single or half brick wall finished with a floating coat of neat cement of mix: 1:3 (1 cement: 3 fine sand) Wall: Beam: Dome: Floor:

15 mm cement plaster on the rough side of single or half brick wall of mix : 1:4 (1 cement: 4 fine sand) Outer Wall Dome Slab:

Extra for Providing Water proofing compound in cement concrete works Qty vide item No. 6 &7 = (8.71 + 10.35)

Extra for shuttering in circular work (20% of respective centering and shuttering items). a) Foundations :

b) Walls :

c) Beams:

Providing and fitting of CGI sheet 0.40mm thick 200mm wide in construction joint.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. (external work): For Rising Mains inlet, outlet, wash out, overflow and air vent. 65 mm dia. nominal bore

Providing and fixing of G.I fitting accessories complete : a) Gate valve 63mm dia (brass)

b) G.I Elbow 63mm dia

b) G.I Tee 63mm dia

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including A) GV Chamber and Man Hole: Frame Shutter MS Plate (3mm thick) = Hinges and Handle

Carriage Of Materials A) Mechanical Transports

Sand for lead of 50km.

Stone for lead of 5km.

Cement for lead of 140km.

Steel for lead of 140km.