Construction of 8 mtr span RCC culvert in link road from Yurgo to Jinchen village.

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 All kinds of soil :

Dumping stone in horizontal level including cost of stone.

Providing and laying in position ceme nt concrete of specified grade including curing but excluding 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)

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 center ing shuttering, finishing and reinforcement. 1:1½:3 (1 cement : 1½coarse sand : 3 graded stone aggregate 20 mm nominal size)

Reinforced cement concrete work in beams, suspended floors,roofs having slope upto 15°, landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto five level including curing but excluding the cost of centring, shuttering, finishing and reinforcement with 5.3.1 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size)

Providing and laying upto floor v level reinforced cement concrete in kerbs, steps and the like including curing but excluding the cost of centering, shuttering, finishing and reinforcement with 5.4.1 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size)

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)

Earth work in rough excavation, banking excavated earth in layers not exceeding 20 cm in depth, breaking clods, watering, rolling each layer with 1/2 tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and lift upto 1.5 m in all kinds of soil:

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: 7.1.1 Cement mortar 1:6 (1 Cement : 6 coarse sand)

Dry random rubble masonry with hard stone in foundation and plinth: With bond stone.

Providing and laying damp-proof Course 50 mm thick with cement concrete 1:2:4 (1cement:2 coarse sand: 4 graded stone agg regate 20 mm nominal size) and curing complete

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.

Centering and shuttering including strutting, propping etc. and removal of form work for: Foundations, footings, bases for columns

Centering and shuttering including strutting, propping etc. and removal of form work for: Retaining walls, return walls, walls (any thickness) including attached pilasters buttresses, plinth and string course fillets, kerbs and steps etc.

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

Suspended floors, roofs, landings, balconies and access platforms.

Carriage of materials means including loading,unloading and stacking complete job. A)Cement an steel avg lead of 25 kms

B) Sand an avg. lead of 25 kms

C)Aggregate an avg. lead of 25 kms

C)Stone an avg. lead of 25 kms

D) Earth an avg lead of 25 kms

M/S SONAM DORJAY GOVT CONTRACTOR

M/S TSERING STOBDAN

M/S ISHEY TASHI