40845079
tender for upgradation of accelerator lab building in technical area of rrcat, indore.; 1 imp. note 1. the bidder must possess valid epf & esic registration. the bidders need to deposit epf & esic with appropriate authority. the reimbursement for epf & esic deposit shall not be made. 2. the payment of wages to labourers should be made through bank. 3. the bidder mustpossess sufficient manpower & other resources ( as detailed in sgf ) required for the timely completion of work. 4. it is also proposed to mention that running bill shall be processed as per clause 7 subject to minimum amount of rs.10.00 lakhs. 2 dismantling the mosaic / white glazed / ceramic / vitrified tiles / kotah stone etc. in flooring / dado / skirting etc. including removing of existing pvc flooring, dismantling of bedding mortar, stacking of materials and disposing of debris within 50 metres lead etc. complete. 3 dismantling asbestos sheet / e board sheet / false ceiling roofing along with ridges, hype, valleys and gutters including scaffolding and stacking the materials within 50 metres lead etc. complete. 4 demolishing reinforced cement concrete works by chiselling at all levels including scaffolding, cutting of reinforcement bars by gas cutting, straightening & stacking of steel bars and disposal of unserviceable materials within 50 metres lead etc. complete. 5 demolishing plain cement concrete works by chiselling at all levels including scaffolding, disposal of materials within 50 metres lead etc. complete. 6 dismantling the existing structural steel work at all levels in m.s. channels, plates, angles, flats, r.s. joists, bolts etc. including scaffolding, cutting of structural steel members by gas cutting, removing the nuts, bolts, straitening of members & stackingwithin 50m lead out side the laboratories / buildings etc. complete. 7 scraping the walls and concrete surfaces at all level to remove existing white / colour wash, distemper, oil paint, oil bound distemper, acrylic emulsion paint or other similar finishes and making the surface smooth by repairing the scratch etc. including necessary scaffolding, cost of sand papers, steel scrapers, compatible scratch filler etc. complete as per specifications and as directed by engineer in charge. 8 dismantling doors, windows and clearstory windows ( steel or wood ) including shutters and chowhats ( frames ) , architraves, holdfasts, etc. complete and stacking within 50 metres lead. 9 of area 3 m² & below 10 of area beyond 3 m² 11 earthwork excavation in foundations in all soils other than soft and hard rock by mechanical means ( hydraulic excavator ) / manual means upto a depth not exceeding 1.5 m. including shoring and dewatering, if necessary and refilling around foundations and in plinth with selected excavated earth, in layers not exceeding 250mm thick, consolidating etc., and disposing surplus earth within a distance of 50 metre lead ( depth of excavation shall be measured from the existing average ground level. ) etc. complete as per drawings, specifications and as directed by eic. 12 lead charges for debris by mechanical transport 13 for debris up to 3.0 km 14 cement concrete 1:3:6 using graded stone aggregate 40 mm max. size including consolidating, finishing, curing etc. complete excluding formwork as per specifications. 15 reinforced cement conrete of m 25 grade using graded stone aggregate of 20mm max. size including machine mixing, weigh batching mechanical vibration, consolidation, finishing, curing and cost of labour, machinery, and materials etc. complete specifications but excluding shuttering, formwork and steel reinforcement. ( minimum cement content shall not be less than 388kg / cum of concrete. ) etc. complete as per drawings, specifications and as directed by eic. 16 in foundations, footings, plinth beams, base of columns, flooring. 17 providing, centering and shuttering using timber planks / steel plates including strutting and propping etc. upto first floor ( not exceeding 4 mtr. height ) and removal of the same for in situ reinforced concrete and in plain concrete work etc. complete as per drawings, specifications and as directed by eic. 18 foundations, footings, base of columns plinth beams, flooring, machine foundations, bed blocks, window cills, copings and mass concrete 19 providing, fabricating, cutting, erecting, and fixingin position structural steelworks of any shape using ismbs, joists, channels, angles, flats, tees etc.at all levels including welding, painting two caots with a primary coat of approved steelprimer and transportation etc. complete as per specifications and as directed by engineer in charge. ( the welding weights shall not be measured for payments but cost of same shall be included in the rate. ) 20 providing, fabricating, cutting, erecting, and fixingin position structural steelworks of any shape usingrhs, shs & circular hollow sections of grade yst 310 as per is: 4923at all levels including welding, painting two caots with a primary coat of approved steelprimer and transportation etc. complete as per specifications and as directed by engineer in charge. ( the welding weights shall not be measured for payments but cost of same shall be included in the rate. ) 21 providing, fabricating, cutting, erecting, and fixingin position structural steelworks of any shape using structural steel m.s. plain & chequered plates at all levels including welding, painting two coats with a primary coat of approved steelprimer and transportation etc. complete as per specifications and as directed by engineer in charge. ( the welding weights shall not be measured for payments but cost of same shall be included in the rate. ) 22 note: 23 1. structural steel conforming to is: 2062 24 2. the contractor shall supply copy of documentary evidence of purchase of steel, test certificates from these firms and also testing from third party, if required to be arranged at no extra cost. 25 3. welding weights, connections, bolts and nuts shall not be measured for payment but the cost of which shall be deemed to have been included in the rate. 26 4. all holes will be made by drilling only. gas cutting of holes will not be permitted. 27 5. electrodes manufactured by approved make only shall be used. 28 providing and fixing welded wire mesh ( 25 x 25 x 3mm ) of best quality and approved make to existing frame, including cutting, making holes, etc. fixed in proper line and level etc. complete. 29 providing and fixing 0.50 mm tct color coated galvalume ( color star profile ) sheets of make / multicolor, in roof, facia including all overlaps metring, supplying and fixing j hooks, bolts, nuts and washers as per manufacturers code of practice and cutting the sheets as required including the cost of scaffolding, work at all heights etc. etc. complete as per drawings, specifications and as directed by eic.. 30 brick work in cement mortar 1:6 using table moulded chimney bricks having a compressive strength not less than 40kg / cm² in foundation, plinth upto ffl and compound wall pillars including curing, raking out joints above ground level, simultaneous pointing below g.l. etc. complete as per specifications, 31 brick work in cement mortar 1:6 using table moulded chimney bricks having a compressive strength not less than 40kg / cm² in superstructure at all levels including double scaffolding, raking out joints, curing etc. complete as per specifications, 32 providing and laying / fixing in position 15mm to 18mm thick machine polished granite slabs of approved colour and quality including machine / hand cut, polishing, buffing the edges all in line, level, ( curvature corners if required ) in 20mm thick cement mortar 1:3 bedding with best workmanship, finishing, curing, complete in platforms, shelves, wash basin, cills, jambs, facias, treads and risers etc. complete. 33 black, cherry / ruby red shade 34 painting plastered surfaces with two coats of flat oil paint of approved shade and make over one / two coats of approved cement primer including preparing the surfaces, filling with full wall putty, scaffolding and cleaning, tools & tackles, safety appliances etc. complete 35 two finishing coats over one coat of primer 36 cement plastering at all levels for internal walls ceilings with cement mortar 1:4 over brick walls or concrete surfaces, including hacking of concrete surfaces, double scaffolding, curing etc. complete. 37 12 mm thick 38 20 mm thick 39 sand faced plaster 20mm thick in 2 coats over exterior masonry and concrete surfaces at all heights with base coat in cement mortar 1:4, 12mm thick and finishing coat in cement mortar 1:3, 8mm thick final rendering, double scaffolding wherever necessary, hacking of concrete surfaces, curing etc. complete and addition of waterproofing compound @ 2% of weight of cement for the base coat etc. complete. 40 cement plastering to external surfaces of walls at all heights, 20mm thick, with cement mortar 1:4 over brick walls or concrete surfaces, including finishing smooth hacking the concrete surfaces, double scaffolding wherever necessary, curing etc. complete. 41 painting plastered surfaces with two / three coats of acrylic emulsion paint of approved shade and make over one coat of approved cement primer including preparing the surfaces, filling with full wall putty, scaffolding and cleaning etc. complete 42 two finishing coats over a coat of primer 43 painting new exterior walls with two coats of waterproof cement paint of approved shade including preparing the surfaces, filling with putty wherever required, scaffolding and cleaning etc. complete. 44 using water proof cement paint 45 providing & fixing in true horizontal level m / f suspended false ceiling ( fr 120 min ) system using ultra perimeter channels ( 27mm web and 20 & 30mm flange ) fixed to wall with rawl plug and screws, at 610mm centres along the perimeter of ceiling, intermediate channels ( 45mm web and 15mm each flange ) from the soffit at 900mm centre with ceiling angle ( 25x10mm, 0.55mm thick ) fixed to soffit @ 1220mm c / c with gi cleat and steel expansion fasteners to form a grid of 900mm x 1220mm. ceiling section ( 51.5mm web and 26mm each flange ) fixed to intermediate channel with the help of connecting clip and in direction perpendicular to the intermediate channel at 457.5mm centres. single layers of 15mm tapered edge gyproc fireline fixed to ceiling section with screws at 230mm centres, 46 square and tapered edges of the boards to be jointed and finished flush look including filling and finishing with jointing compound, paper fiber tape and two coats of drywall top coat etc. complete. 47 false ceiling / masking suspended by anchor rods fixed with anchor fasteners and 15mm tapered edge single layers fireline board panel on one side. 48 providing & fixing in rue horizontal level 600x600x15mm false ceiling system of approved makeof minimum rh 90 using hot dipped galvanised sections exposed surfaces with precoated capping main tee of size 24x32x0.27mm at every 1200mm c / c maximum and rotary stiched cross tee of size 24x27x0.27mm at every 600mm c / c and sub cross tee of size 24x27x0.27mm at every 1200mm c / c and wall angle of size 19x19x0.35mm fixed to the periphery of the wall. the above grid is suspended at every 1200mm c / c in both directions using 12 guage pre straightened gi wire and 6x50mm anchor fasteners, providing and laying tegular adged 600x600x15mm ceiling tiles, fixing with necessaryscrews / bolts, drilling holes in ceiling, floor or walls, fixing with anchor fasteners wherever required, butterfly clips, hold down clips, hanger rods, applying jointing compound, sand papering, cutting panels to required size, providing extra frame work around openings etc. complete as per drawing, specifications and as directed by engineer in charge. 49 providing and fixing in position anodized ( min of grade ac10 ) / powder coated ( min 50 microns ) aluminum doors with extruded and integrated aluminum sections as per approved make confirming to is: 733 and is: 1285 aluminum beading, pvc lining, cp brass / stainless steel screws, mastic filling, nuts, washers etc. complete including scaffolding if necessary, chipping of walls, beams, columns, rectification of plaster, painting if required. vertical and middle horizontal section of door shall be min 80 mm x 44 mm and of thickness minimum 2 mm. top and bottom horizontal section of door shall be min 120 mm x 44 mm and of thickness minimum 2 mm snap beading shall be minimum 0.41 mm thick. cleat angles shall be minimum 25 x 25 mm and thickness 2 mm etc. complete as per drawings, specifications and as directed by eic. 50 including providing and fixing in position 5mm thick glass or opaque using 12mm thick laminated particle board. 51 specifications of glass: clear sheet glass / float glass of approved make and of 5mm thickness fixed to aluminum partitions with edges champhered ( wherever required ) with pvc / neoprene gasket lining etc. complete. 52 specifications of laminated board: 12 mm thick both side laminated particle board of approved exterior grade 1, type ii confirming to is 12823 bonded with phenol formaldehyde resin board or any other approved equivalent ) in doors using necessary approved standard aluminum beadings including wastages, if any, fixing to existing framework with c.p. brass / stainless steel screws as required and other incidental charges etc. complete as per drawings, specifications and as directed by eic. 53 anodized aluminum ( min of grade ac 10 ) doors, fully glazed with 5 mm thick glass or opaque using 12mm thick laminated particle board and the vertical members are internally braced with 12mm dia ms long bolt, ss handle on both sides as approved, floor spring / door closer of godrej make, concealed tower bolts, locking arrangements using ss aldrop 16mm dia and 300mm long etc. complete as per drawings, specifications and as directed by eic. 54 providing and fixing in position anodized ( min of grade ac10 ) / powder coated ( min 50 microns ) wall spanwith extruded and integrated aluminum sections as per approved make conforming to is: 733 and is: 1285 aluminum beading, pvc lining, cp brass / stainless steel screws, mastic filling, nuts, washers etc. complete including cost of p / f 5mm thick float glass and / or apaque using 12mm thick laminated particle board, scaffolding if necessary, chipping of walls, beams, columns, rectification of plaster, painting if required. vertical and horizontal section of wall spans shall be min 63 mm x 38 mm and of thickness minimum 1.85 mm. snap beading shall be minimum 0.41 mm thick. cleat angles shall be minimum 25 x 25 mm and thickness 2 mm.the spacing of verticle and horizontal sections shall be in the range of 0.90 m to 1.50 m centre to centre etc. complete as per drawings, specifications and as directed by eic. 55 with anodized aluminum section ( min of grade ac10 ) of approved shade 56 providing, fabricating, supplying and erecting in position both side laminatedflush door shutters of following thicknesses ( excluding the thickness of lamination ) in solid block board core, internally lipped, bonded with water proof type synthetic resin, hot pressed with commercial ply finish and decorative plastic laminate assams or equivalent make of 1 mm thickness on both faces including providing and fixing aluminum, cpms fittings and fixtures as per drawing, heavy duty stainless steel hinges, locking arrangements and godrej make door closurewith screws etc. complete as per specifications and as directed by engineer in charge. note: fittings and fixtures shall be as indicated in tender drawing. 57 35mm thick ( excluding the thickness of lamination ) 58 painting wood / steel work with two coats of synthetic enamel paint of approved shade and made over one coat of approved wood / steel primer including preparing surfaces, filling with putty, scaffolding and cleaning, tools & tackles, safety appliances etc. complete 59 on wooden surfaces 60 providing and fixing in position at all levels, elevation and heights frameless fixed glazing units usingspecially designed aluminum alloy extruded channel section 20 x 25 x 2 mm thick of jindal make. the extruded aluminum sections shall be finished with electrolytic bronze color anodizing of minimum thickness of 20 micron. providing and fixing in position12 mm thick toughened glass ( clear / frosted / etched ) , using structural grade weather sealant including providing and fixing in position 2nos. single leaf frameless glazed door ( size 900 mm x 2100 mm ) of 12mm thick toughened glass using ss patch fittings top pivot xl c 4014 , bottom patch xl c 4013 , top patch xl c 4012, corner lock patch with epc and strike plate xl c 4011a, corner connectors xl c 4007a & central connectors xl c 4006a for fixed portion of glass, floor pivot bearing double action floor spring bts 65suitable for 12mm thick toughened glass 90 degree hold open including providing and fixing in position of size 25mm dia., 450mm longdesign xlc 3003a stainless steel handles on both side of shutters, including cost of all materials required to complete the work, labours, machinery, fabrication, tests, scaffolding if necessary, chasing in the floor, chipping of walls, beams, columns, rectification of plaster, painting if required, transportation etc., complete required for completion of works as per specifications and as directed by engineer in charge. { total area of glazing including 2 leaf glass door panels =5.80m ( w ) x4.00 m ( h ) } 61 providing and fixing in position heavy pattern screw down gun metal gate valves conforming to is:778 with hand wheels at top including testing for 10 kg / cm2 pressure with clean and potable water with a minimum testing duration of two hours etc. as per specifications and as directed by engineer in charge. 62 25mm n.b 63 32mm n.b 64 providing and fixing hdpe / cpvc floor trap of self cleansing design with 75mm outlet having a minimum water seal of 50mm with stainless steel grating on top of astral / supreme or other approved make including necessary 1:2:4 cement concrete for embedding the trap etc. as per specifications all complete. 65 non slippery ceramic tile flooring / dado using 6mm thick matt finished ceramic tiles of sizes as mentioned below, 1st quality over 20mm thick cement mortar 1:3 bedding, close jointed and pointed with matching cement slurry using white cement pigment mixed with, finished to levels slope or plumb as required including 20mm thick cement mortar 1:3 bedding, making good the surface before bedding, cutting of tiles, curing, acid washing etc. complete. 66 for flooring using tiles of size 300x300mm, 450x450mm 67 for dado / skirting using tiles of size 300x450mm 68 providing & fixing european water closet suite comprising of : 69 a. white vitreous china pedestal type water closet ( european type w.c. pan ) in vitreous chinaware with internal p or s trap conforming to is: 2556strappreferred make. 70 b. pvc, low level flushing cistern 10 litres capacity of preferred, mounted brackets with double syphonic pattern and all internal fittings conforming to is: 7231. 71 c. 15mm n.b. heavy quality p.v.c. inlet connection with brass unions connected at ends. 72 d. 15mm n.b. screw down heavy quality, fancy variety c.p. brass two nos. stop cock ofpreferredmake. conforming to is:8931. 73 e. solid plastic heavy quality seat with lid ofpreferredmake and colour with c.p brass pillar hinges, conforming to is :2548 ( part i and ii ) 74 f. health faucet ( hand shower ) with 8mm dia. 1.2 metre long flexible tube & wall hook of preferred make . 75 g. jet spray ( butterfly ) with 1.00m long heavy quality pvc tube & nozzle ofpreferred make 76 providing and fixing approved orissa pattern w.c. suite comprising of : 77 a. orissa pattern w.c. best indian make white or colour glazed vitreous chinaware, size 580 mm x 400mm with ‘p’ or ‘s’ trap, conforming to is: 2556 78 b. pvc low level flushing cistern 10 litres capacity with allfittings of 79 c. 32mm n.b. heavy quality p.v.c flush pipe of appropriate length with all pvc specials, etc. concealed in wall. 80 d.15 mm n.b. heavy quality p.v.c inlet connection with brass unions connected at ends. 81 e. 15mm n.b. screw down heavy quality, fancy variety c.p. brass stop cock ofconforming to is:8931. 82 providing & fixing best quality wash basin of size 550mm x 400 mm with plain rims, comprising of : 83 a. best indian make wash basin in white glazed vitreous chinaware ofconforming to is:2566 part iv supported on suitable wall brackets and of size mentioned above. 84 b. one number heavy quality 15mm n.b. c.p. brass pillar cock with jam nut of easy clean variety ofconforming to is: 1795 85 c. one number 15 mm n.b. heavy quality pvc inlet connection with brass union connection with brass solder joints at ends. 86 d. one number 15mm n.b. screw down heavy quality, fancy variety c.p. brass stop cock ofpreferred make. 87 e. one number 32 mm n.b. heavy quality c.p. brass waste coupling with rubber plug and c.p. chain. 88 f. one number 32 mm c.p. brass heavy quality bottle trap of preferredmake with extension piece and wall flange etc. etc. complete as per drawings, specifications and as directed by eic. of dripless type. 89 providing and fixing large flat back half stal urinal of size 610mmx400mmx380mmof preferred make supported on suitable wall brackets with 32mm n.b. heavy quality preferredmake c.p. brass bottle trap with extension piece and wall flange suitable heavy quality c.p. brass waste coupling including c.p. dome grating etc. etc. complete as per drawings, specifications and as directed by eic. as per specifications. 90 providing and fixing best quality approved colour and shade granite partition slab 14 to 15 mm thick and of size 1000mm x 650mm, polished on both sides, machine cut edges with rounded exposed cornersincluding fixing in wall after cahsing with cement mortar or adhesive in proper level and line etc. all complete as per specifications and drawings. 91 providing and fixing factory made 30 mm thick pre laminated pvc door shutter ( conforming to is: 4020 ) with pvc door frame ( choukhat ) of preferred make consisting of followings : 92 1. pvc door frame of size 50x47mm with wall thickness of 5mm, made out of extruded 5mm thick rigid pvc foam sheet, mitred ar corners and joined with 2nos. 150mm long brackets of 15x15 mm m.s. square tube, the vertical door frame profiles to be reinforced with 19x19 mm m.s. square tube of 19 gauge, epdm rubber gasket weather seal to be provided through out the frame. the door frame to be fixed to the wall using m.s. screws of 65 / 100 mm size, etc. complete as per drawings, specifications and as directed by eic. as per manufacturers specifications and as directed by engineer in charge. 93 2. pvc door shutter consisting of frame made out of m.s. tubes of 19 gauge thickness and of size 19 mm x 19 mm for styles and 15x15 mm for top & bottom rails. m.s. frame shall have a coat of steel primers of preferredmake and manufacture. m.s. frame covered with 5 mm thick heat moulded pvc c channel of size 30 mm thickness, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on both side forming styles and 5 mm thick, 95 mm wide pvc sheet out of which 75mm shall be flat and 20 mm shall be tapered in 45 degree on the inner side to form top and bottom rail and 115 mm wide pvc sheet out of which 75 mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. top, bottom and lock rails shall be provided both side of the panel. 10 mm ( 5 mm x 2 ) thick, 20 mm wide cross pvc sheet be provided as gap insert for top rail & bottom rail, paneling of 5 mm thick both side pvc sheet to be fitted in the m.s. frame welded / sealed to the styles & rails with 7 mm ( 5 mm+2 mm ) thick x 15 mm wide pvc sheet beading on inner side, and the styles & rails with 7 mm ( 5 mm+2 mm ) thick x 15 mm wide pvc sheet beading on inner side, and joined together with solvent cement adhesive. 94 an additional 5 mm thick pvc strip of 20 mm width is to be stuck on the interior side of the c channel using pvc solvent adhesive & including all fittings, fixtures, etc. etc. complete as per drawings, specifications and as directed by eic. as per direction of engineer in charge, manufacturers specification & drawing. note: fittings and fixtures shall be as indicated in the tender drawing. 95 providing and fixing in position beveled or plain edge mirror of size 600x450 mm made out of best indian glass of 5.5 ± 0.5mm thick, manufactured by preferred make mounted on pvc sheet backing with decorative pvc frame fixed in position with c.p. brass screws wth rawl plugs etc. compete. 96 providing and fixingc.p. brass towel rods of makepreferred makeof size 600mm long x 19±1mm with a wall flanges fixing on wall using c.p. brass screws, rawl plug etc all etc. complete as per drawings, specifications and as directed by eic.. 97 providing and fixing c.p. brass toilet pape roll holder, fixing on wall using c.p. brass screws, rawl plug etc all complete. 98 providing and fixing in position liquid soap dispenser of preferred make withc.p. brass brackets, cap etc. fixed to wall with c.p. screws and rawl plugs all etc. complete as per drawings, specifications and as directed by eic.. 99 providing and fixing heavy quality c.p. brass screw down 15mm n.b. bib taps ofpreferred make on g.i. pipe line conforming to is:781 100 providing, laying, jointing, fixing and testing cpvc pipes of grade sdr 11 as per is:15778 including cpvc plain & brass threaded fittings like elbows, collars, tees, unions, couplings, reducers, enlargers, bends, cpvc mta, fta and all other fittings required for the completion, having thermal stability for hot & cold water supply and also as per the code of practice of water supply in buildings of is: 2065 including laying under the floors, chasing in walls, roof slabs and making good the same to the original conditions, including fixing the pipe with clamps at 1m spacing, cost of all jointing materials like hemp yarn, white or red lead, clamps, wooden gutties, screws, cement, sand etc. complete testing the pipes with clean water as per specifications. 101 20mm nominal size 102 25mm nominal size 103 32mm nominal size 104 providing, laying, jointing, fixing and testingpvc rigid pipes of class bofapproved brands for sewerage ensuring thermal stability for waste water, sewage, acids etc. including all pvcfittings, jointing with durable solvent, testing the pipes at a pressure of 6 kg per sq cm etc. complete as per drawing, specifications and as directed by the engineer in charge. 105 80mm nb 106 110mm nb 107 providing and fixing 2mm thick epoxy based joint less flooringover existing flooring such as concrete floor, tiles, wood, metal etc. formulated out to required levels, thickness slopes and finished smooth or rough including curing, preparing the surfaces such as filling holes, cracks, joints, wherever necessary by epoxy based trowelling compound, including providing and applying one coat of two component epoxy based primer including cost of materials and labours etc. complete as per manufacturers recommendation. 108 providing and fixing in position aluminum partitions, doors, windows, ventilators, louvers, fixed glazing, sliding windows, north light glazing, aluminum rough ground etc. with extruded and anodized ( 5 microns ) to natural aluminum colour, aluminum sections, anodized aluminum beadings, anodised aluminum sheets manufactured to relevant is codes and using minimum 2mm thick ( or as specified ) heavy sectionsor approved equivalent make including cost of pivots, approved door and window handles, pvc / neoprene gasket lining, stainless steel screws, mastic filling, weather strips, tower bolts, nuts, washers etc. as required complete as per drawing, specifications and as directed by engineer in charge.also removing of existing rolling shutter and deposit the material at departmental store. 109 fabrication, supply and fixing of extruded aluminum alloy double wall remote control rolling shutters with side one operator drive unit and direct drive option, confirming to is 6248 ( 1979 ) . extrusion for the components of rolling shutters shall be conforming to 53000 ( ne5 ) or 64430 ( he30 ) of is: 733 etc. complete as per drawings, specifications and as directed by engineer in charge. 110 note : curtain shall be built up from interlocking lath sections of aluminum alloy conforming to 53000 ( ne5 ) or 64430 ( he30 ) of is: 733. the thickness of lath sections for curtains shall not be less than 18 gauge ( 1.25 mm ) section, with nominal profile height as 78 mm + / 0.05 mm. the lath section shall have interlocking curls at both edges and a deep corrugation at the centre with a bridge depth of 16 mm to provide sufficient curtain stiffness for resisting manual pressure and normal wind pressure. each lath section shall be continuous single piece without any welded joint. when interlocked, the lath section shall have a distance of nominal 75 mm between rolling centresthe lock plate provided at the bottom of the shutter, shall be composed of a mild steel plate not less than 3.15 mm thick, reinforced with mild steel angle not less than 35 x 35 x 5 mm at bottom of the plate. the lock plate shall also be provided withpulling handles, one handle for 2.5 m width and 2 handles for widths above 2.5 m.guide channels shall be of mild steel deep channel section of rolled, pressed or built up ( fabricated ) construction. the thickness of the sheet used shall not be less than 3.15 mm.each guide shall have a minimum of 3 fixing cleats. the spacing of cleats shall not exceed 0.75 m bracket plates shall be fabricated out of mild steel plate of 3.15 mm thick. hood covers shall be made of mild steel sheets not less than 0.9 mm thick 111 providing and fixing in position best hdpe / salt glazed stoneware gulley trap with 150mm x 150mm square inlet and 100mm n.b. outlet conforming to is : 651 including embedding the trap in 1:3:6 cement concrete, 150mm x 150mm c.i. grating at top, constructing brick masonry chamber 300mm x 300mm ( internal ) in 200mm thick brick masonry using iind class bricks, embedding the trap plastering with cement mortar 1:4, 20mm thick inside, outside and all exposed faces, finished with a floating coat of neat cement, providing and fixing c.i. frame and hinged cover weighing not less than 7kg, painting the grating, frame and cover with two coats of approved bitumastic paint etc. complete....
Due Date : December 15, 2023
Tender Value : ₹ 69.50 Lakhs
