Construction of Check Weir at Karmatang-X Nallah for Augmentation of Water Supply for Sub-Division No. I, NACD, APWD, Mayabunder.

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means 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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level

1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources)

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

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)

Centering and shuttering including strutting, propping etc. and removal of form work for :

Foundations, footings, bases for columns

Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

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) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for

Columns, Pillars, Piers, Abutments, Posts and Struts

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

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

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Providing and laying lime concrete of 150mm thickness over the existing nallah bed using stone aggregate of 40mm nominal size well compacted with pulvarised sand mixed with powder dry shell lime @ 20% by volume of sand, placed in between voids, watered & compacted as per the direction of Engineer-in-charge.

Providing and laying lime concrete of 200mm thickness over the existing nallah bed using stone aggregate of 40mm nominal size well compacted with pulvarised sand mixed with powder dry shell lime @ 20% by volume of sand, placed in between voids, watered & compacted as per the direction of Engineer-in-charge.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering-All work upto plinth ;evel: (a) 1:1½:3 (1 cement: 1½ coarse sand: 3 graded stone aggregate 40 mm nominal size).

BHAGWAN SINGH

JOSHY P. JOHN

K THANKACHAN AND SONS