Upgradation of Helipad at Neyraks. (Under

Amount

Earth work in excavation by mechanical means (hydraulic excavator) in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 metres: 2.9.1 All kinds of soil :

Dry stone pitching (any thickness) excluding cost of stones. On Horizontal

Providing and laying in position cement concrete of specified grade including curing and including the cost of centring and shuttering. All work upto plinth level with:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) crushed

Reinforced cement concrete work in walls (any thickness) including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts upto floor five level including curing and including cost of centering shuttering, finishing and reinforcement.1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size) crushed.

Providing and laying in position cement concrete of specified grade including the cost of centring and shuttering- All work upto plinth level. 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20mm nominal size)crushed

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.

Supply and spreading of grade along with preparing of the Helipad for a width of 5m complete job.

Providing and laying in position cement concrete of specified grade including curing and including the cost of centring and shuttering. All work upto plinth level with: 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) .Crushed

Earth work in bulk excavation by mechanical means (hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge.All kinds of soil :

Ordinary Rock

Hard Rock (Required Blasting)

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

Random Rubble masonry with hard stone in foundation and plinth including leveling up with cement concrete 1:6:12 (1 Cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) upto plinth level and curing complete with: Cement mortar 1:6 (1 Cement : 6 coarse sand)

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-incharge. Made of G.I. wire of dia 4 mm

Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete.

Steel work welded in built up sections/framed work, including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Carriage of Material by Mechanical Transport including loading unloading complete job.Cement and Steel for an avg.lead of 120 km

Sand .for an avg.lead of 120 km

Stone agg. for an avg.lead of 120 km

M/S tsering samphel

M/S NAWANG CHOSGIAL

M/S RINCHEN TONDUP

M/S STANZIN DORJAY