Construction of motorable bridge at Bukbukza Wanla. (Fabrication, launching of super structure for 20mtrs c/c span plate girder type bridge including approach wall and link road at Bukbukza). (Under Distt. Plan).

Amount

Earth work in excavation by mechanical means (hydraulic excavator )over areas (Exceeding 30cm in depth, 1.5mtr in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.50m, disposal earth to be leveled and neatly dressed. All kinds of soil 50%

b) Ordinary Rock 25%

c) Hard Rock (Required Blasting ) 25%

Dumping stone excluding cost of stones.on Slopes (Behind pitching)

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

Dry random rubble masonary with hard stone in foundation and plinth using quarry stone with bond stone.

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)Including Including cost and carriage of cement.

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with:el 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40mm nominal size) Including cost and carriage of cement.

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 but excluding cost of centering shuttering, finishing and reinforcement.1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size)Including cost and carriage of cement.

CAST-IN-SITU Providing and laying in position specified grade of reinforced cement concrete including curing but excluding the cost of centering, shuttering, finishing and reinforcement. All works upto plinth level 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size) Including cost nad carriage of cement.

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. Including coat and carriage of steel.

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

b) Columns, pillars, piers, abutments, posts and struts.

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 1.5 m.

Embedding steel reinforcement partially in rock foundation by drilling to provide bond with base concrete. Complete Job

Design fabrication and lunching of super structure of steel including welding build up section of angle iron ISMB, ISA as per design all Complete.(Complete Job)

Carriage of material from source to site of work by mechanical transport including loading unloading and stacking. A) Sand an avg lead 10Km

b) Stone aggregate an avg lead 10km

c) Soling stone an avg lead 15Km

M/S tsering samphel

M/S NAWANG CHOSGIAL