West Bengal Zoo Authority Tender

Cost of stone boulder 150 mm size delivered ans stacked at site.

Ordinary cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttring and reinforcement, if any, in ground floor as per relevant IS codes.

(b) River bazree.

Plum Concrete work with 40 % Cement Concrete with 30 mm down graded stone metal and 60% stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any.

(i) (1:3:6) proportion.

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. .

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.

Supplying, fitting , fixing chain link fencing of approved quality with R.C.C. posts, wooden posts or iron posts by means of galvanised 'C' clips to grid of horizontal stands of galvanised high tensile spring stell wire of 12 S.W.G. which have to be tensioned and fixed to the vertical posts by means of galvanised special clips, bolts and nuts etc. (The rate is exclusive of the cost of posts.).

(i) 50 mm. x 50 mm. x 8 g.

(a) Supplying, fitting galvanised 3 ply 12 gauge/ 4 points line of barbed wire in fencing (holes already made in the body of the post) or fixed by staples tightening and fixing the wires in taut condition with straining bolts including the cost of cutting and of lapping joints in the wire as necessary but excluding the cost of glvanised staples, straining bolt and binding wire where necessary. (Payment to be made on the lenght of individual lines of wire.).

(a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

(A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand parpering etc. in cluding using of approved putty etc. on the surface , if necessary.

(b) On steel or other metal surface: .

(1) With super gloss (hi-gloss).

(iv) Two coats (with any shade except white).