West Bengal Zoo Authority Tender

(ii) River bazree.

Hire and labour charge for shuttering with centreing and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thick ness with required bracing for concrete slabs, beams, columns, lintels curved or staight including fitting fixing and striking out after complection of works. (up to roof of ground floor).

(a) 25 mm. to 30 mm. thick wooden shuttering as per decision & direction of the Engineer-in-charge. .

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc. initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at inter-section, complete as per drawing and direction.

(a) For works in foundation, basement and up to roof of ground floor/up to 4m. Tor steel/Mild steel.

SAIL/ TATA/RINL

Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering conrners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor). [Excluding cost of chipping over concrete surface].

(ii) With 1:4 cement mortar .

(a) 20 mm.thick plaster.

Supplying , fitting and fixing 600 mm. (+/ - 30 mm.) diametre R.B.T. (Reinforced Barbed Tape) Concertina fencing on wall top using concertina coils stretched to approx. 6 metres length at site clipped with two nos. of horizontal R.B.T. Strands which will be tensioned and fixed with the vertical M.S. angle iron posts by means of security fasteners (such as 'C' clips, R.B.T. clips etc..) (The rate is exclusive of the cot of posts).

Labour for fitting line of wire to posts, tightening by straining bolts and fixing the wire ( in taut condition) to the post with staples (including the cost of cutting and lapping joints in the wire, as necessary and including the cost of staples and straining bots and also the labour for fixing the staples but excluding the cost of straining bolts.) (Payment to be made on length of the individule line of wire).

(d) Barbed wire.

M.S structural work in colums, beams etc. with simple roled structural members (e.g. joints angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineering -in- charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc weldingconforming to IS: 816 - 1956 & IS :1995 using electrodes of approved make and brand conforming to IS: 814 - 1957, haulage, hoisting and erections all complete. the rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidential charges such as electricity charges, labour incurance charges etc.(Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for Gusset, bracket, cleat, rivets, bolts and nuts may be make by adding

(I) For structural members/built up sections of specified sections weighing less than 22.5kg./m.