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Daily Maintenance Fabrication Works Of Animal Cages At Amc Zoo , providing structural steel work in trusses , other similar trussed purlins and members with all bracing , gusset plates etc . as per detailed designs and drawings or as directed including cutting , fabricating , hoisting , erecting fixing in position , making riveted/ bolted/ welded connection and one coat of anticorrosive paint and over it 2 coats of oil painting approved quality and shade etc . complete . , providing structural steel work in hollow section of various thickness and sizes in square , rectanular and round shape from 25mm to 450mm section as per is 4923 yst 310 grade produced from iron ore and blast furnace route etc . as per detailed designs and drawing or as directed including cutting , fabricating , hoisting , erecting , fixing in position , making riveted/bolted/ welded connections and painting , providing and fixing rolling shutter fabricated from steel laths of minimum thickness 0 . 9 mm with lock plate of 3 . 15 mm thickness reinforced with 35 x 35 x 5 mm angle section fitted with sliding bolts and handles for both sides , deep m . s . channel section of depth and thickness not less than 65 mm and 3 . 15 mm respectively with hold fast arrangements , m . s . bracket plate 300 x 300 x 3 . 15 mm minimum size and shape with square bar , suspension shaft of minimum 32 mm diameter , hood cover of m . s . sheet not less than 0 . 9 mm thickness and of any size at top and safety devices including mechanical gear operation arrangement consisting of worm gear wheels and worms of high grade cast iron or mild , providing and fixing collapsible steel gate in one / two leaves with hot rolled vertical channels of 18 x 9 x 3 mm minimum size , crossings of m . s . flats of size 18 x 5 mm t or e section for runner of minimum 40 x 6 mm size for flange , m . s . flat for top runner of minimum size 40 x 12 mm with roller wheels confirming to grade f . g . 150 fitted with snap headed rivets of minimum size 6 mm max . spacing of vertical channels be 100 mm enclosed gate position and clear space of 150 mm between two sets of crossings with hold fasts , stoppers , spaces , handles , locking arrangement and one coat of red lead primer and oil painting etc . complete . ( i . s . 105211983 ) . , providing and fixing welded mesh of 50 mm x 25 mm and ( 11 gauge ) to country cut teak wood frame work as per detailed drawing or as directed , iron fastening with one coat of primer , scaffolding , including tw frame work of 70 mm x 75 mm and covering cctw battens of 45 mm x 10 mm etc . , providing and fixing 50 mm . dia . medium class g . i . pipe gate with wicket gate of approved drawing with all fixtures and fittings in two leaves with strong hold fast embedded in c . c . block at top and bottom with locking arrangement including cutting , bending , making holes and with one coat of primer etc . complete . , p/f bearings for sliding and coll . gate of standard company as directed by engr in charge . , p/f c . i . pully for wire rope of 100 mm dia as directed by engineer in charge [as/market rate] , providing and laying cast in situ/ready mix cement concrete in m15 of trap/ granite/quartzite/gneiss metal for plain or molded sills , cornice , jambs , block in course , or architraves of required size and shapes including steel centering , plywood/steel formwork , laying/ pumping , compacting , roughening them if special finish is to be provided , finishing uneven and honeycombed surface and curing etc . complete . the cement mortar 1:3 plaster is considered for rendering uneven and honeycombed surface only . newly laid concrete shall be covered by gunny bag , plastic , tarpaulin etc . ( wooden centering will not be allowed . ) with fully automatic micro processor based plc with scada enabled reversible drum type mixer/ concrete batch mix plant ( pan mixer ) etc . complete . with natural sand/v . s . i . quality artificial sand , providing and laying cast in situ/ready mix cement concrete m-15 of trap/ granite/quartzite/gneiss metal for coping to plinth or parapet , moulded or chamfered as per drawing or as directed including steel centering , plywood/ steel formwork compacting , roughening them if special finish is to be provided , finishing uneven and honeycombed surface and curing etc . complete . the cement mortar 1:3 plaster is considered for rendering uneven and honeycombed surface only . newly laid concrete shall be covered by gunny bag , plastic , tarpaulin etc . ( wooden centering will not be allowed . ) , providing and fixing mild steel grill work for windows , ventilators etc . 20 kg/sqm as per drawing including fixtures , necessary welding and painting with one coats of anticorrosive paint and two coats of oil painting complete . , providing and erecting 1 . 5 metre high wire fencing with seven rows of barbed wire supported on m . s . angles ( 50 mm x 50 mm x 6 mm ) at 2 . 5 metres centre to centre including excavating pits for foundation , fixing posts in cement concrete of size 45 x 45 x 45 cm , fastening the wire and painting the m . s . angles with one coat of red lead primer and two coats of painting etc . complete . , providing and erecting chain link fencing 1 . 6 m . height with g . i . chain link of size 50 x 50 mm , 8 gauge thick and fixed 75 mm above ground level on vertical m . s . angles of 40 x 40 x 6 mm size , includind excavating pits for foundation and embedded in c . c . block of 1:4:8 mix of size 450 x 450 x 670 mm . at 1 . 75 m . c/c with iron bar 16mm dia as hold fast including welding link with angle frame at 30 cm c/c with nuts and bolts and horizontal m . s . angles at top and bottom of 25 x 25 x 5 mm size and vertical m . s . flat 35 x 5 mm and 25 x 5 mm horizontal including cross support of 40 x 40 x 6 mm angles both side at every corner or bend embedded in concrete blocks of 1:4:8 of size 450 x 450 x 670 mm including 3 coats of oil painting etc . complete .
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