REPAIR/MAINTENANCE TO SERVO VOLTAGE STABILIZER, VOLTAGE STABILIZER OF WINDOW/ SPLIT ACs, ELECTRICAL WIRING, EARTHING AND OTHER MISC WORK OF AC PLANTS UNDER GE UTILITY PLANT AND MACHINERY DELHI CANTT-10

Amount

Disconnecting and taking down faulty and defective Servo Voltage Stablizers of capacity 1000 KVA , 418 Volts from Plinth with the help of Hydra (Crane) and transporting to Contractor's workshop from DGIS and opening the top cover of the servo stablizer, carrying out the repairs /works listed at serial No. (i) to (xii) and transporting back to the site (DGIS) for installation including making all the electrical connections. (i) Decanting of the Servo Volatge Stablizer oil (Transformer Oil) into separate Container /barrel. (ii) Taking out the core/coil of Stablizer (iii) Painting inside of the Stablizer Tank with yellow paint and outside body with synthetic enamel paint of existing tint/colour Cleaning inside of the Stablizer using Stablizer oil. (iv) Fixing only the existing/new buck boost transformer & Dimmer (Variable Transformer) in Stablizer including heating up the core assembly to remove moisture after carrying out the repair works . (v) Renewal of rubberised gasket set for top cover, Brass spindles, LT bushes, etc. (vi) Filling of new Stablizer oil after centrifuging and testing for requird di-electric strength. (vii) Re-fixing the top cover of the stablizer with nuts, bolts and washers. (viii) Preparing Inspection report for renewal of parts etc in presence of EIC and Contractor. (ix) The contractor shall arrange factory visit for the EIC or his representative as and when requried, testing of stablizer to be done on full load at factory. (x) Soldering/ brazing or connecting LV bus bars with sutable size nuts, bolts and washers

Item No. 1 Continue.... (xi) Providing necessary insulation papers, sleeves, PVC pipes insulation sheet etc. (xii) Renewal of worn out nuts, bolts and washers. (xiii) Disconnecting the existing old unserviceable On Load Change over switch and fixing new switch. (Note :- Stablizer Oil, Centrifuging of Oil, On Load Change Over Switch & buck boost transformer & Dimmer (Variable Transformer) shall be measured and paid separately under relevant items)

-ditto- All as item No. 1 &2 above but of capacity 600 KVA

-ditto- All as item No. 1&2 above but of capacity 250 KVA

Supply only buck boost transformer for Servo Voltage Stablizer for 1000 KVA complete all as specified.

Supply only buck boost transformer for Servo Voltage Stablizer for 600 KVA complete all as specified.

Supply only buck boost transformer for Servo Voltage Stablizer of capacity 250 KVA complete all as specified.

M&L for reconditioning of buck boost transformer of Servo Voltage Stablizer of capacity 1000 KVA complete all as specified and directed.

M&L for repair to Dimmer (Variable transformer) of Servo Voltage Stablizer complete of capacity 1000KVA all as specified and directed.

M&L for repair to Dimmer (Variable transformer) of Servo Voltage Stablizer complete of capacity 600KVA all as specified and directed.

M&L for repair to Dimmer (Variable transformer) of Servo Voltage Stablizer complete of capacity 250KVA all as specified and directed.

Supply and fixing in repairs Servomotor synchronus motor for Servo Voltage Stablizer of capacity 1000 KVA including taking down old unserviceable burnt motor complete all as specified and directed.

Supply and fixing in repairs Servomotor synchronus motor for Servo Voltage Stablizer of capacity 600 KVA including taking down old unserviceable burnt motor complete all as specified and directed.

Supply and fixing in repairs Servomotor synchronus motor for Servo Voltage Stablizer of capacity 250 KVA including taking down old unserviceable burnt motor complete all as specified and directed.

Supply only On Load Manual Changeover Switch Disconnector 1600 A, Open Execution, 4 Pole, 415 V AC, suitable for fixing with the existining Servo Volatge Stablizer of 1000 KVA Capacity. Make - L&T/Schneider/C&S L&T.

M&L for on line Dehydration/filteration of Servo Voltage Stablizer oil including filteration using automatic centrifuging machine minimum three cycles to achieve dielectric strength 40 to 60 KV breaking capacity at 2.5mm gap by absorbing and abolishing all sludge particles as per BS-66-1963 including topping up with new transformer oil as required complete all as specified & directed. Note- (i) Centrifuging Machine with all T&P & testing machine of oil required for dehydration shall be arrange by contractor. (ii) Oil required for topping up the stablizer will be measured & paid separately as supply only under respective item of this Sch.

Supplying and filling/topping up transformer oil low viscocity, dielectric strength 35 to 40 KV breaking voltage for topping up servo voltage stablizers duly centrifuging including filter action by using automatic centrifuging machine to achieve min 35 to 40 KV breaking capacity at 4 mm gap by absorbing and abolishing all sludge particles for use as per BS-B-66-1983 complete all as specified and directed by EIC.

Disconnecting from mains/taking out existing unserviceable/defective Servo Voltage of capacity 10 KVA of any size, type, and make removing from foundation transporting to repair workshop drain out old stablizer oil, taking out core taking out the unserviceable burnt out transformer, re-winding with super enameled copper wire of existing size applying proper insulation, varnish drying in oven, painting inside of the Stablizer Tank with yellow paint and outside body with synthetic enamel paint of existing tint/colour assembling and filling up the transformer oil transporting back to site, re-installating, testing and commissioning complete all as specified and as directed by Engineer-in-Charge. (i) Oil required for filling in the stablizer shall be measured & paid separately as supply only under respective item of this Sch.

Collecting of unserviceable voltage stabilizer of capacity 4 & 5 KVA from the MES store yard of AGE AC(OTBH) or dismantling the same from site and transporting to contractors workshop for locating the fault including checking the serviceability of electrical/electronic circuits relays and replacement of defective spare parts , reassembling after making connections, testing by applying low and high voltage input to get the 230 volts correct output and transporting back the same to MES store yard complete all as specified and directed by Engr-in-charge Note :- 1. Replacement of defective spares and rewinding of transformer of voltage stabilizer will be measured & paid separately under relevant items and Labour charges for taking out old spares & fixing of new spares shall deemed to be included in unit rate quoted.

Supply only following new spare parts of Voltage stabilizer of capacity 4 & 5 KVA :-

Voltmeter (Analog) 0 to 300 volts any type shape single phase 50 Hz AC supply. (Make:- AE/ MIECO/ Rishabh)

Digital type Voltmeter 0 to 300 volts any type shape single phase 50 Hz AC supply, (Make:- AE/ MIECO/ Rishabh)

Printer circuit control card suitable for 4 to 5 KVA.

Input/output switch (Make:- AE/Rishabh/Mico)

Push on switch (Make:- AE/Rishabh/Mico)

Indicator with neon bulbs (Make:- AE/L & T/ C & S)

Trigger Transformer for 4 & 5 KVA.

Time relay and High/low voltage cut off circuit with relay suitable for 4 KVA & 5 KVA (Make Renutorl/Technomac) Note for item NoS 21 to 28 :- Materials of item NoS 21 to 28 to be incorporated in item No 19 here-in-before

Taking out the burnt winding of transformer of voltage stabilizer and preparing core after cleaning by suitable cleaning agent and rewinding the transformer of voltage stabilizer with super enameld copper wire of existing gauge including varnishing, heating and refiting of capacity 4 KVA voltage stabilizer, complete all as specifies & directed by Engr-in-Charge.

-ditto- all as per item No. 29 here-in-before but 5 KVA.

Disconnecting all electrical connections of existing unserviceable voltage stablizers of any make and capacity and Supply, Installation & commissioning in repairs new voltage stablizers for automatic operation single phase naturally air cooled indoor type with copper wounded transformer designed for input variation between 160 Volts to 260 Volts with output voltage stablized at 230 Volt with accuracy + 9% with time delay facility and of capacity 4.0 KVA. (Make-Indian Transformer & Electricals P Ltd. (Gurgaon)/ Vinitec/ /Volina/Sinetrac/V Guard/ IECO)

Disconnecting all electrical connections of existing unserviceable voltage stablizers of any make and capacity and Supply, Installation & commissioning in repairs new voltage stablizers for automatic operation single phase naturally air cooled indoor type with copper wounded transformer designed for input variation between 160 Volts to 260 Volts with output voltage stablized at 230 Volt with accuracy + 9% with time delay facility and of capacity 5.0 KVA. (Make-Indian Transformer & Electricals P Ltd. (Gurgaon)/ Vinitec/ /Volina/Sinetrac/V Guard/ IECO)

Supply & fixing PVC insulated 4 core copper conductor cable of size 4 sqmm for connections in LT Panels including copper thimbles including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

-ditto- all as per item No. 33 here-in-before but of size 6 sqmm three core.

Taking down carefully existing surface/ concealed unserviceable aluminum/ copper point wiring (light, fan, socket, power or sunken box) complete including fittings such as switches, ceiling roses, pendants, regulators, sockets, light fittings, etc. and making good to disturbed surfaces of walls, floors, ceilings, etc. where required and finished the existing surfaces after complete of new point wiring as specified here-in-after complete all as specified and as directed.

Material and labour for point wiring with 1.5sqmm (nominal area) PVC insulated and unsheathed single core FRLS (conforming to IS-694) copper cable 1100 volts grade with multi stranded copper conductor in and including PVC casing caping (medium grade) of adequet size dia with all fittings and accessories including 2mm thick sunk MS pressed steel terminal boxes of appropriate size with 3.0mm thick plastic laminated sheet top cover with cadmium plated iron screws complete including PVC insulated and unsheathed FRLS (conforming to IS-694) single core multi stranded copper conductor cable of size 1.5sqmm green colour as earth continuty conductor connected to common earth dolly for one light/ fan point controlled by one, one way switch complete all as specified and as directed. (Make of cable:- FINOLEX / RR KABEL/ HAVELL'S/ POLYCAB .) {Notes:- (i) Switches and sockets to be measured and paid for separately under relevent items.}

-ditto- all as per item No. 36 above but one 5/6amps socket outlet point on the same board with other switches complete all as specified and as directed.

Material and labour for point wiring with 1.5sqmm (nominal area) PVC insulated and unsheathed single core FRLS (conforming to IS-694) copper cable 1100 volts grade with multi stranded copper conductor in and including PVC casing caping (medium grade) of adequet size with all fittings and accessories including 2mm thick sunk MS pressed steel terminal boxes of appropriate size with 3.0mm thick plastic laminated sheet top cover with cadmium plated iron screws complete including PVC insulated and unsheathed FRLS (conforming to IS-694) single core multi stranded copper conductor cable of size 1.5sqmm green colour as earth continuty conductor connected to common earth dolly for one 5/6 Amps socket outlet points controlled by one, one way switch on independent board complete all as specified and as directed. (Make of cable:- FINOLEX / RR KABEL/ HAVELL'S/ POLYCAB .) {Notes:- (i) Switches and sockets to be measured and paid for separately under relevent items.}

Material and labour for point wiring with 2.5sqmm (nominal area) PVC insulated and unsheathed single core FRLS (conforming to IS-694) copper cable 1100 volts grade with multi stranded copper conductor in and including PVC casing caping (medium grade) of adequet size with all fittings and accessories including 2mm thick sunk MS pressed steel terminal boxes of appropriate size with 3.0mm thick plastic laminated sheet top cover with cadmium plated iron screws complete including PVC insulated and unsheathed FRLS (conforming to IS-694) single core multi stranded copper conductor cable of size 2.5 Sqmm green colour as earth continuty conductor connected to common earth dolly for one 5 or 6 /15 or 16 Amps socket outlet points controlled by one, one way switch on independent board complete all as specified and as directed. (Make of cable:- FINOLEX / RR KABEL/ HAVELL'S/ POLYCAB .) {Notes:- (i) Switches and sockets to be measured and paid for separately under relevent items.}

Supply & fixing switch piano flush type 5 amp single Pole one way complete all as specified and directed by Engr-in-Charge. (Make : Anchor / Legrand/ Schneider/ C & S/ Cona / Havells)

Supply and fixing switch socket combination, 2 in 1, 2/3 pin, 5/6 Amp flush type controlled by one switch complete all as specified and directed by Engr-in-Charge. (Make : Anchor / Legrand/ Schneider/ C & S/ Cona / Havells)

Supply and fixing switch socket combination 5/6 Amps and 15/16 Amps and 5 in 1, 5 pin flush type universal controlled by one switch complete all as specified and directed by Engr-in-Charge. (Make : Anchor / Legrand/ Schneider/ C & S/ Cona / Havells)

Material and labour for ceiling rose PVC/ polycarbonate, isolated body 63.5x23.5mm, 3 terminals complete all as specified and directed by Engr-in-Charge. (Make : Anchor / Legrand/ Schneider/ C & S/ Cona / Havells)

Supply and fixing Decorative ultra slim aluminium square profile LED lighting fitting 1 x 24W fixture with high lumen output, environmental friendly, easy to fit snap on adjustable installer compatible with energy saving tube lights complete all as specified and directed by Engr-in-Charge. (Make:- Havells Cat No. LHEXACP7IN1S024 or equivalent model or cat No of make in Philips/Crompton Greaves/ Bajaj)

Taking down unserviceable sub main wiring of any type and any size including wooden batten, PVC conduit or casing caping complete all as specified and as directed.

Material and labour for sub main wiring with two runs of single core 4 Sqmm (nominal area) PVC insulated copper conductor FRLS (conforming to IS-694), stranded, unsheathed 1100 volts grade in PVC casing caping (medium grade) of adequit size with all fittings and accessories surface type including one run 4 Sqmm single core unsheathed stranded copper conductor cable FRLS (conforming to IS-694) as earth wire complete all as specified and as directed.

Material and labour for sub main wiring with two runs of single core 6 Sqmm (nominal area) PVC insulated copper conductor FRLS (conforming to IS-694), stranded, unsheathed 1100 volts grade in PVC PVC casing caping (medium grade) of adequit size with all fittings and accessories surface type including one run 6 Sqmm single core unsheathed stranded copper conductor cable FRLS (conforming to IS-694) as earth wire complete all as specified and as directed.(Make of cable : FINOLEX / RR KABEL/ HAVELL'S/ POLYCAB/ L & T/ ANCHOR.) (Make of PVC casing caping:- FINOLEX / PLAZA/ KALINGA/ SUPREME/ BAJAJ/ PRINCE.) {Note for item No. 46 & 47 :- (i) Two runs of cable with one run earth wire and PVC casing caping shall be measured as one unit length. (ii) Extra length of cable required for connection to DBs shall be deemed to be included in the unit quoted rate and shall not be measured separately. (iii) Earth wire shall run inside the casing caping. (iv) Suitable color code of wire must be ensure for phase/ neutral/ earth.}

Taking down unserviceable main switch/ DBs including MCB (SP, SPN, TPN any capacity) of any size/ capacitycomplete all as specified and directed by Engr-in-Charge.

Supply and fixing sheet metal enclosure DB SPN 240 volts 4 way double door type, 230 volts with 200 amps rated bus bar with IP43 protection for fixing MCB complete all as specified and directed by Engr-in-Charge. (Make : L&T / SEIMENS / ABB/ LEGRAND/ SCHNEIDER.)

Supply and fixing sheet metal enclosure DB SPN 240 volts 8 way double door type, 230 volts with 200 amps rated bus bar with IP43 protection for fixing MCB complete all as specified and directed by Engr-in-Charge. (Make : L&T / SEIMENS / ABB/ LEGRAND/ SCHNEIDER.)

Supply and fixing MCB SP 240 volts 6 to 32 Amps, 10 kA, 'B' curve complete all as specified and directed by Engr-in-Charge. (Make : L&T / SEIMENS / ABB/ LEGRAND/ SCHNEIDER.)

Supply and fixing MCB SPN 240 volts 6 to 32 Amps, 10 kA, 'B' curve complete all as specified and directed by Engr-in-Charge.(Make : L&T / SEIMENS / ABB/ LEGRAND/ SCHNEIDER.)

Supply and fixing MCB TP 415 volts 6 to 32 Amps, 10 kA, 'C' curve complete all as specified and directed by Engr-in-Charge. (Make : L&T / SEIMENS / ABB/ LEGRAND/ SCHNEIDER.)

Supply and fixing MCB TP 415 volts 40 Amps, 10 kA, 'C' curvecomplete all as specified and directed by Engr-in-Charge. (Make : L&T / SEIMENS / ABB/ LEGRAND/ SCHNEIDER.)

Supply and fixing MCB TP 415 volts 63 Amps, 10 kA, 'C' curvecomplete all as specified and directed by Engr-in-Charge. (Make : L&T / SEIMENS / ABB/ LEGRAND/ SCHNEIDER.)

Dismantling the existing old unserviceable exhaust fans of any size in AC plant installations, Supply, fixing and testing of new exhaust fans 450 mm sweep, 230 Volts AC, 50 HZ, 1440 RPM, including louvers and making all necessary arrangements like gouting of bolts on wall as per requirement, nuts, bolts and washes and FI legs and frame complete all as specified and directed by Engineer-in-Charge. (Make - Crompton Greaves/Khaitan/ Havells / Bajaj/ GEC/ Orient)

Dismantling the existing old unserviceable ceiling fans of AC plants installations, supply and fixing new ceiling fans 1200 mm sweep, 230 Volts, 50 Hz AC including making electrical connectios with 0.5 Sqmm PVC copper conductor wire complete all as specified and directed. (Make - Crompton Greaves/Khaitan/ Havells / Bajaj/ GEC/ Orient)

Supply & fixing in repairs integral LED street light fitting 45 watts comprising pressure die cast housing with powder coated aluminium housing working as a heat shrink and toughened glass suitable fixing with GI pipe bracket and pre-wired including necessary electric connection from ceiling rose to light fitting complete all as specified and directed by Engr-in-Charge. (Make:- Crompton Greaves Cat Part No. LSTS-45-CDL-1 equivalent model or cat No of make in Havells/Philips/ Bajaj. (Note:- GI bracket along with clamp, nut & bolts shall be measured and paid seperately under relevent item.)

M & L for GI bracket 1.5 Metre long made out of GI pipe "Light Grade" of 32 mm dia (including bending of pipe, fixing on pole/Bldg with clamps of size 40mm x6mm of suitable length, nuts and bolts) for fixing of street light fittings including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. (Make of GI Pipe:-JINDAL/ TATA/ BST/ PRAKASH TUBES/ OSWAL)

Supply & fixing PVC insulated twin core copper conductor cable of size 2.5 sqmm for connection of street light fittings including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply & fixing PVC insulated single core copper conductor cable of size 16 sqmm for connections in LT Panels including copper thimbles including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply & fixing PVC insulated single core copper conductor cable of size 25 sqmm for connections in LT Panels including copper thimbles including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, armoured, electric power cables (heavy duty) 1100 Volts grade with copper conductor of cross sectional area 25 Sqmm, 3 ½ core with galvanized steel strip or wire including taking down old unserviceable one complete all as specified and directed by Engineer-in-charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, armoured, electric power cables (heavy duty) 1100 Volts grade with copper conductor of cross sectional area 16 Sqmm, 4 core with galvanized steel strip or wire including taking down old unserviceable one complete all as specified and directed by Engineer-in-charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 10 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 16 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 25 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 35 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 70 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 95 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 120 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs copper lugs for cable of cross sectional area 10 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs copper lugs for cable of cross sectional area 16 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs copper lugs for cable of cross sectional area 25 Sqmm complete all as specified and directed by Engineer-in-charge.

Material & Labour for earthing with galvanised steel earth plate electrode of size 60cmx60cm x6mm thick buried directly in ground (earth pit not less than 2.25m deep below the ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to the galvanised earth lead 25x4mm by means of bolts, nuts check nuts and washers of galvanised iron wire 4mm as earth lead as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion including necessary excavation and earth work in soft/loose soil, returning filling, disposal of surplus soil, earth pit in PCC 1:3:6 type C-1 using 20mm graded stone aggregate pit, funnel, 20mm dia GI medium grade watering pipe, 40mm dia GI medium grade earth lead protection pipe and pre-cast earth pit cover 50mm thick made of RCC (1:1.5:3) type A1 duly reinforced with 8mm dia TMT bar @100mm c/c both ways, one lifting handle made out of 10mm dia TMT bar 250mm long embedded in cover slab and cover, wire, copper lugs etc mesh, chorcoal and common salt in alternate layer of 15cm thick including taking down old unserviceable one complete all as specified and directed. (Make of GI Pipe:-JINDAL/ TATA/ BST/ PRAKASH TUBES/ OSWAL) (Note:- Each protection pipe and earthing lead upto and including 7.5 meter lenght is deemed to be included in the qouted rate of this item.)

Supply and fixing earth continuity conductor or main earthing lead (GI strip) of size 32 x 6 mm fixed to plinth or buried in ground or drawn in GI pipe or any other situation as indicated for loop earthing etc including taking down old unserviceable one complete all as specified and directed.

M & L for making high conductive ,corrosion resistant , CPRI approved maintenance free Chemical Earth pit for Servo Stablizers/Compressors made of brand 'Grip' or any other Equivalent brand having ISO 9001-2000 as approved by accepting officer comprising of chemical earth enhancing non ferrous compound containing no carbon or graphite filled in earth pit (Qty 50 Kg ) of bore hole of 200 to 250 mm and depth upto 3.3 mtr (approx) and comprising of "Fast earth electrode model F-84 MS (Double pipe technology based chemically pre- filled fully sealed earth electrode) or equivalent having ISO - 9001-2000 of size 88 mm outer dia and inner dia 48 mm and 3.00 mtr long made of high conductive Zinc coated Hot dip galvanized mild steel as per technically required to achieve resistance of 1-2 ohm along with heavy duty high density lockable plastic cover cum inspection chamber mounted on earthing electrode shall be fixed stainless steel fasteners including all other required accessories to complete the job of earth pit with earth termination to achieve rod resistance 1-2 ohms . (Make:- OBO/JMB/JMV(Earthing)/ ENOV/POWER TRUCK/ TIRUPATI) Note :- it is anexpress condition of the contract that all the earthing process should be done by the approved company applicators only. (ii) The approved firm shall isuue a certificate that all the earthing has been carried out by their applicator only and they stands gaurantee for the same for a period of 02 years from the date of physical completion of work.

Dismantling unserviceable ducting from walls, roofs, ceiling for repair /patch work /replacement complete all as specified and directed by Engr-in-charge.

Supply, assemble and errection of ducting, made up of GI Sheets of 1mm (20 guage) thickness as in Air Condition Ducting including fabrication for required size, patch work, fixing on walls, roofs or ceiling or in existing iron frame work including all accessories such as Corner, Cleat, Carriage bolt, Gasket, lap joint, welding, reverting and appropriate sealant on longitudinal joints etc. complete all as specified and as directed by Engr-in-charge. (Location:- HQ DGIS, CAMS IAHQ Singnal Enclave and HQ Delhi Area Signal Centre) (Make:- TATA/ JINDAL/ SAIL).

Material and Labour for 50mm thick fibre glass wool insulation in existing ducts of AC plants bonded with Aluminium foil, including wraping, pasting complete and cover the insulation one side with GI wire Mess netting after cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage including taking down old unserviceable glass wool insulation from existing duct complete all as directed by Engr-in-Charge. (Make:- Shri Fire Pack/ Impex Insulation/ Trans Insulation).

Material and Labour for frame work with angle iron for frame support, with fabrication, welding joining including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 including taking down old unserviceable one complete all as specified and as directed by Engr-In-charge.

RUCHIKA ENGG.WORKS

SNOWY ENGINEERING INC

M/s Adhikari construction co.