Repair of Drains and walls and other miscellaneous work at different locations in Samdong colony of Teesta-V Power Station.

Amount

Excavation in Hill Area in Soil by Manual Means : Excavation in soil in hilly area by manual means including cutting and trimming of side slopes and disposing of excavated earth with all lifts and lead up to 50 meters.

Providing and Laying Plum concrete in 1:2:4 c.c. (1cement, 2 coarse sand, 4 clean hard graded stone chips of 40 mm down nominal gauge) with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing complete, as per the direction of Engineer in Charge.

Random rubble stone masonry in foundation and plinth in CM 1:3 (1 cement:3C.Sand) i/c levelling up with cement concrete (1cement:6c.Sand:12 graded stone aggregate 20 nominal size) at plinth level.

Providing & Laying in position cement concrete of specified grade including compacting curing etc all complete.1:2:4 mix.(1 cement, 2 coarse sand, 4 graded stone aggregate of 20mm nominal size)

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

Providing box drain of 30 cm (ht) x 45 cm (width) internal dimension with 1:2:4 Plum concrete (20mm & down) in side walls thickness of 23 cm (hill side) and 30 cm (road side) and 1:3:6 (20 mm & down) base concrete of thickness of 15 cm with standard specification over 15 cm stone soling including providing & laying guard stone complete as per the direction of Engineer in Charge.

Constructing brick masonry manhole in cement mortar 1:4 (1 cement: 4 coarse sand) with R.C.C. top slab with 1:1.5:3 mix (1 cement :1.5 coarse sand (zone- III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone- III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design : Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Providing and laying 40 mm thick 1:2:4 c.c. (1cement, 2coarse sand, 4 12.5mm stone aggregate) flooring with floating coat of neat cement to give a smooth surface in not exceeding 02 sqm. including cost of glass strips and curing etc. all complete

TSHERING GYATSO LEPCHA