Tender For corrigendum : supply of 415v, utilization category ac23a, 630a local isolator cabinet in sheet steel enclosure complete with 630a, 3 pole load break switch. 2. shall be with side operated handle, padlocking facility, prebreak micro switch having 1no+1nc contact. 3. micro switch contacts shall be wired to 4 sq mm tb for external termination. 4. provision of padlock system having sufficient space to lock the isolator at off position by minimum two agencies at a time. 5. complete with both power & control circuit wiring with all insulators, bus bars and control terminal blocks. 6. detachable bottom gland plate for entry of cables from bottom. 7. front door shall be hinged and inter-locked with the isolator in 'on' position. the front door should have a minimum 3 mm thickness perspex/triplex window for observation of position of contacts. 8. isolator should confirm to iec 60364 standard. 9. the dimensional drawing of the local isolator cabinet or product catalogue showing mounting arrangement of the components should be enclosed along with the offer. 10. isolator cabinet should be provided with rain canopy. 11. any isolator parts should not be made of aluminium/aluminium alloy. 12. isolator cabinet shall be metal enclosed suitable for wall fixing using 4 welded fixations, dust and vermin proof and shall be provided with degree of protection as ip-55. 13. provision for three distinct parallel busbar per phase for termination of three nos of 240 sqmm aluminum cables for incoming and two distinct busbar per phase for termination of 120 sqmm copper cable. 14. all hardware used in isolator cabinet shall be corrosion resistant. 15. minimum clearance between the live parts and detachable bottom cable gland plate shall be 400mm. 16. cabinet should be painted with alkaline resistant epoxy paint. 17. isolator cabinet shall have provision for earthing at two separate and distinct points. 18. each isolator cabinet should be supplied with panel keys., push button station specification: 1. pbs made of 2mm sheet steel enclosure with rain canopy, protection: ip-65. 2. 01 no. of green colour start pb with 1no+1nc contacts, 01 no. of red colour stop pb with 1no+1nc contacts, 01 no.of increase pb with 1no+1nc contacts <(>&<)> 01 no.of decrease pb with 1no+1nc contacts. one emergency stop push button with 1no+1nc contacts (push to lock type) shall be provided. size of each push button is of 22.5mm diameter. inscription plate for all push buttons. 3. pb shall be wired with 2.5 sq.mm. copper wire to 40 nos. serially numbered terminal blocks (tb) of elmex make having tb-5-6, 7-8, 11-12, 13-14 <(>&<)> 17-18 shorting link. 4. two nos. of cut out of size 72x72 mm for ammeter and rpm meter shall be provided. 5. 'on','off' <(>&<)> 'trip' indication led lamps in red, green <(>&<)> amber colour respectively with inscription plate to be provided. 6. all push buttons, elements, led lamps <(>&<)> cutout for ammeter <(>&<)> rpm meter shall be on the hinged door of the pb station. 7. pb station shall be weather proof, neoprenerubber gasket suitable for outdoor application. 8. 2nos. of earthing studs to be provided. 9. left side hinged door shall be provided with flexible braided copper earthing. 10. pbs shall have 04 nos. of corrosion free bracket suitable to fix on vertical surface. 11. detachable gland plate to be provided. 12. the push button shall be painted with one coat of red oxide primer <(>&<)> two coats of zinc chromate primer and finally finished with stoving enamel grey paint. 13. the push button station shall be generally in line of enclosed drawing (fig-2). 14. party to submit the drawing along with the offer for technical scrutiny.
Tender For supply of heavy-duty polycholoroprene ( neoprene ) rubbersheet size 1000 mm width, 3 mm thick x 10 meters length in rolls as per clws specn.no.clw/es/r-24/d.
Tender For tender for supply of taking down chowkhats or frames with shutters (without taking off shutters from the frame) not exc 1.5 sqm each complete , material and labour powder coated anodised aluminium frame for doors , windows , ventilators with one or more rebates including joining cleat for fixing etc complete all as specified , material and labour powder coated aluminium (minimum thickness of powder coating 50 micron) for shutters of doors , windows and ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of epdm rubber/neoprene gasket required (fittings shall be paid for separately) with extruded built up standard tubular sections/ appropriate z sections and other sections of approved make conforming to is 733 and is 1285 , fixing with dash fasteners of required dia and size , including necessary filling up the gaps at junctions , i.e at top , bottom and sides with required epdm rubber/ neoprene gasket etc. aluminium sections shall be smooth , rust free , straight , mitred and jointed mechanically wherever required including cleat angle , aluminium snap beading for glazing/ paneling , c.p. brass/ stainless steel screws all complete as per architectural drawings and the directions of engineer in charge. , supply and fix 4.8mm thick sheet glass , ordinary quality and glazing with oil putty in square but n. exc 0.5 sq. m in each pane , supply and fix for metallic aluminium sliding window shutter lock of size 100mm , push to unlock type , concealed handel-cum-latch lock type , completed all as specified and directed , supply and fix anodised aluminium grill (anodised transparent or dyed to required shade according to is 1868 with minimum anodic coating of grade ac 15) of approved design/pattern , with approved standard section and fixed to the existing window frame with c.p. brass/ stainless steel screws at the rate of 200 mm centre to centre , including cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised aluminium standard section around the opening , all complete as per requirement and direction of engineer in charge. , dismantling fillets , rails , posts , rafters , purlins , etc. under 40 sq. cm in section unframed work , dismantling boarding , any description , fixed in any position with nails , material and labour for clean sawn second class hard-wood in scantlings timber fixed , supply and fix 12mm thick block boards , grade 2 quality , interior grade , decorative type with decorative face veneer on both face , fixed with screws to timber frame-work. , supply and fix 30mm width of flaps of continuous (piano) hinges , mild steel , bright finish or electrogalvanised , supply and fix 75mm size brass handles , cast type , polished bright , supply and fix 100mm hasp and staple , safety type , aluminium anodised with mild steel hinge pin including bolt to hinge plate and fixed with screws , taking down chowkhats or frames (without taking off shutters from the frames) 1.5 sqm and n exc 4 sqm , supply and fix 2nd class hardwood plain , solid , straight chowkats and frames , wrought , framed rebated on the solid , rounded or chamfered , put together with glue pinned at joints , supplied and fixed size 100x60mm , supply and fix 30mm thick flush shutters , solid core construction , with block board core and plywood face panels , commercial type on both sides both face is covered with deco rative face veneer with lipping/frame to match , supply and fix of 125 mm long mild steel butt hinges , medium weight cold rolled complete all as specified and directed. , supply and fix 150mm aluminium handles , cast type , anodised , supply and fix of 200mm long aluminium alloy , anodised , sliding door bolt with hasp , staple (bolt type) and fixing clips of sheet , cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast-aluminium alloy and fixed , supply and fix of 200 mm long