Construction of Roof Top Truss at Tumin Barang Primary School Building, 03-Tumin Gram Panchayat Unit, Gangtok District, Sikkim.

Dismantling wood work in frames, trusses, purlins and rafters up to 10 metres span and 5 metres height including stacking the material within 50 metres lead :Of sectional area below 40 square centimetres

Earth work in excavation by mechanical means (Hydraulic Excavator)/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil

Providing and Laying in position cement concrete of specified grade including compacting curing etc all complete. 1:4:8 mix. (1 cement, 4 coarse sand, 8 stone aggregate of 40mm & down size).

Providing and Laying in position specified grade of reinforced cement concrete excluding the cost of form work, finishing and reinforcements. 1:1.5:3 Mix (1cement, 1.5 coarse sand 3 graded stone aggregate 20mm and down nominal gauge).

Supplying, bending and placing in position tor steel reinforcement in all R.C.C works including cost of binding wires, all complete.

Providing, fixing & removing form work for casting R.C.C items as indicated below: with locally available timber) Beam, lintels, girders, brersumers and cantilevers.

Providing, fixing & removing form work for casting R.C.C items as indicated below: with locally available timber) Foundation, footings, base of column etc for mass concrete.

Providing, fixing & removing form work for casting R.C.C items as indicated below: with locally available timber) Square columns

Providing and laying first class brick work in half brick thick in superstructure of standard size bricks with 1:4 cement mortar (1 cement and 4 course sand) including carriage of bricks up to work site, curing etc all complete.

Supplying, fabricating, fitting and fixing steel tubular trusses including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, welded and bolted including special shape washer etc as per the standard specification and design and direction of Engineer - in- Charge all complete.