REPAIR / REPLACEMENT AND CLEANING OF GI DUCT, HEPA FILTERS, PRE FILTER, FINE FILTERS AND ALLIED WORKS OF P-100, CTVS AND ADC AT AHRR UNDER GE E/M RR HOSP. DELHI CANTT-10

Amount

Supply and lay MS pipe pipe in replacement 20 mm bore heavy grade with all fittings laid in floors or fixed to walls and ceiling includig Tee/ Bend/ reducer/Union/ Elbow/socket/Plug and cutting/welding / brazing /drilling of wall /grouting /finishing disturbed surface and taking down old unserrviceable MS Pipe from existing position etc omplete all as specified and directed by Engineer-in Charge. Make - Tata Steel / Jindal Steel / Electrosteel / Jai Balaji or any from approved list of E-in-C.

All as per item No. 1 here-in-before but for pipe size of 25 mm dia.

All as per item No.1 here-in-before but for pipe size of 32 mm dia.

All as per item No.1 here-in-before but for pipe size of 40 mm dia.

All as per item No. 1 here-in-before but for pipe size of 50 mm dia.

All as per item No. 1 here-in-before but for pipe size of 65 mm dia.

All as per item No. 1 here-in-before but for pipe size of 80 mm dia.

All as per item No. 1 here-in-before but for pipe size of 100 mm dia.

All as per item No. 1 here-in-before but for pipe size of 125 mm dia.

M & L for cement concrete in foundation filling/road cutting filling with the help of mass concrete type B2 1:3:6 (40 mm graded aggregate) all as specified and directed by Engr-in-Charge.

M&L in replacement of Insulation for M S pipe with PUF slab 30 mm thick with and including applying bituminous compound and GI cladding with 26 guage GI sheet complete of size 20 mm dia including taking down unserviceable insulation in any description from original position and throwing it to salvage area all as specified and directedby Engr-in-Charge.

All per item No: above here-in-before but of 25 mm dia

All per item No: above here-in-before but of 32 mm dia

All per item No: above here-in-before but of 40 mm dia

All per item No: above here-in-before but of 50 mm dia

All per item No: above here-in-before but of 65 mm dia

M&L in replacement of Insulation for M S pipe with PUF slab 40 mm thick with and including applying bituminous compound and GI cladding with 26 guage GI sheet including taking down old U/S insulation of any description of 80mm dia and throwing it to salvage area all as specified and directed by

All per item No: above here-in-before but of 100 mm dia

All per item No: above here-in-before but of 125 mm dia

All per item No: above here-in-before but of 150 /200 mm dia as per site requirment all as specified and directed by Engr-in-Charge.

Supply, and fixing in replacement of cast Iron butterfly valve, ISI marked, PN - 1.6 pressure grade, having Nitrile/EPDM rubber lining, SS stem,CS/SS disc. Lever operated type, of size 50 mm dia bore including all jointing material i.e, nut, bolt, washer, packing , flanges material etc, duly insulated and taking out of old unserviceable valve, complete all as directed.

All as per item No.above but bore size of 65 mm.

All as per item No.above but bore size of 80 mm.

All as per item No.above but bore size of 100 mm.

All as per item No.above but bore size of 150 mm.

All as per item No.above but bore size of 200 mm.

Removing old unserviceable port Y strainer and material and labour for Y strainer 150mm size of both end flanged including supply and welding flange of size 150mm two nos complete all as specified

Removing old unserviceable port Y strainer and material and labour for Y strainer 100mm size of both end flanged including supply and welding flange of size 100mm two nos complete all as specified

Supply &Fixing Poly-F Plus PB classical Belts of any size suitable to any AHU capacity all as specified and directed.

M&L for 50 mm bore gate valve cast copper alloy screwed down high pressure with clutch handle screwed both ends for Iron pipe including taking out of old unserviceable gate valve complete all as directed.

All as per item No above here-in-above but size 40 mm bore

All as per item No above here-in-above but size 32 mm bore

All as per item No above here-in-above but size 25 mm bore

All as per item No above here-in-above but size 20 mm bore

Material and Labour for dismantling of blower shaft of AHU of up to 30 TR capacity, by removing the belt and pulley, blower drum, and re-mentling the shaft and filling of metal at decayed portions including all welding, turning, polishing and other machine works required to make the shaft of required shape and size, as original, balancing the shaft and refitting in AHU including re-assembling the blower, pulley etc with and including replacement of new bearing of existing size, testing the AHU for satisfactory operation, complete all as directed.

All as per item No. above but for AHU above 30 TR but upto and including 70 TR capacity.

Material and Labour for dismantling of existing Air Handling Unit of any capacity , cleaning, servicing, overhauling all component of AHU, with and including cleaning of heating & cooling coil with caustic soda solution, including welding / brazing, wherever required to arrest leakages, cleaning of Pre-Micro Filters, replacing of vertical GI sheet supports, replacement of U/S foam insulation of best quality using adhesive substance to avoid cold air leakages, fabrication of bottom GI tray of existing size with drain pan made out of 16 guage thick GI Sheets duly painted over interior surface of tray, re-assembling all the dismantled components to its original position using new nut, bolt, washer and other packing material etc, with and including testing, commissioning of Air handling Unit at optimum efficiency, complete all as directed.

M& L in replacment superior quality canvas cloth with Zip, with GI frame suitable to connect both AHU and duct including taking down of old material all as per directed.

Supply and fixing in replacement of temperature gauge bottom connected, direct mounted type, of temperature range of 0 - 100°C or 32 - 212°F, including necessary welding complete all as directed. Make : H Guru/Fiebig/Anergy/Emerald

Supply and fix in repalcement of Pressure gauge dial type range between 0 to 12 kg/cm2 with siphon assembly with on/off knob including necessary welding cutting all as per directed. Make : H Guru/Fiebig/Anergy/Emerald

M&L for Earth continuity conductor or main earthing lead fix to wall on batten or recess or chases or burried in ground or drawn in conduit /pipe or fix to pole or any other indicated situation for loop earthing extra as required but size 32 x 6 mm galvanised iron strip

M&L Earthig complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6.3 mm thick, burried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised using galvanised iron strip 32x6mm as earthing lead by means of bolts, nuts, checks nuts and washers of galvanised iron of steel all as shown in electrical plate No 3 connect to earthing test point all as specified or indicatd including testing on completion.

M & L in replacment of unserviceable 2/3 way modulating motorized valve (glow type),GI globe body,Brass seating,SS-304 spindle ,Telflon gland,with linear movement actuator 24 V AC input supply,0-10Vinput signal with modulating thermostate & transformer of size-25 mm Make:-SIEMENS/RAPID CONTROL/RAPID COOL, as per existing make.

All as per item No above but size 32 mm bore

All as per item No above but size 40 mm bore

All as per item No above but size 50 mm bore

All as per item No above but size 65 mm bore

All as per item No above but size 80 mm bore

All as per item No above but size 20 mm bore

Supply installation, testing and commissioning of Thermostat, LCD display, with temperature display suitable for summer/winter season complete with control wiring to connect with motorized valve and LT electric Panel board all as specified and directed

Taking down carefully existing false ceiling of any type / make / size including all electric fitting/fixture, fire alarm and any other accessories etc for repair/replacement of AC duct and refixing the same in its original position with out any damage complete all as directed. Note : If, any kind of damage occured to false ceiling and other services like elcetric supply cable / fitting / fixture, fire alarm, water supply line or any other services, due to negligance or poor workmenship of contractor, the same will be repaired/replaced by the contractor free of cost and no extra payment will be made in this effect to the contractor.

Supply, fixing and laying, in replacement of GI duct fabricated from 24 Guage GI Sheet of any dimension/cross-section with and including all necessary fixing arrangement and support to roof and connected accessories i. e. nut, bolts, fastener, flat iron strip, clamps etc and taking down of old duct alongwith accessories, complete all as directed. Make of Sheet - Jindal/ TATA / SAIL or any from approved list of E-in-C.

S&F of thermal insulation on new / existing ducts and plenum chamber, comprise of preparation of surface and fixing of new cross linked closed cell polythene, plane, fire retardant insulation of 19 mm thick nitrile insulation with aluminium foil of the duct having a tow stable K value of 0.027-0.029 Kcal/hr/m at 0-23°C with minimum density of 33 Kg/cum, fire retardant self extinguishing on dripping, good ozone resistance, including fixing the insulation to the duct surface with help of adhesive paste and closing the gap with self adhesive tape of 3mm thick, complete all as directed. Make - ARMFLEX / KFLEX /PARAMOUNT or as per existing make.

Supply and fix, in replacement, of absolute HEPA Filter AAFH1 of size 610 x 305 x 205 mm having rated flow of 1700 CMH or as per site, pressure drop less than 25 mm WG and efficiency more than 99.97 down to 0.3 micron, complete all as directed. Make : Athlete/AAF/ZECO or as per existing make.

Supply and fix, in replacement, of absolute HEPA Filter of size 610 x 305 x 75 mm Model-AAF1 having rated flow of 500 CMH or as per site, pressure drop less than 25 mm WG and efficiency more than 99.97 down to 0.3 micron, complete all as directed. Make : Athlete/AAF/ZECO

Supply and fix, in replacement, of absolute HEPA Filter of size 610 x 610 x 75 mm Model-AAF1 having rated flow of 500 CMH, pressure drop less than 25 mm WG and efficiency more than 99.97 down to 0.3 micron, complete all as directed. Make : Athlete/AAF/ZECO

S&F in replacement, of Air Vent valve, 20 mm dia ISI marked with and incl all fixing accessories, complete all as directed.

S & F in replacement of ball bearing NU205EP with metal housing, complete all as directed. Make : TATA / SKF

S & Fin replacement of ball bearing P-206 with metal housing, complete for AHUs of different capacity all as directed.

All as per srl item No here-in-above but P- 207

All as per srl item No here-in-above but P- 208

All as per srl item No here-in-above but P- 209

S&F in replacement of ball bearing No 6201, incl dismantling of old unserviceable bearing, complete all as directed.

All as per srl item No. above but 6202.

All as per srl item No. above but 6203.

All as per srl item No. above but 6204.

All as per srl item No. above but 6205.

S&F in replacement of Step Controller with digital display, More than 5 steps working with 12/24 DC supply along with AC to DC adopter , as per sample, complete all as apecified and directed by Engr-in-Charge . Make - Rapid cool / Honeywell/Step Elivator

M&L for applying two coats of aluminium spray paint on any kind of metal surface with and incl preparing of surface by scratching / removing rust, dust and old paints etc with wire brush, emery paper, grinder etc and making surfaces smooth for achieving better grip between surface and primer, complete all as directed.

Material and Labour for Cement concrete in surface channels and drains type B1 1:2:4 ( 20 mm Graded Aggreagate).

S & F Mechanical damper of various capacity , fabrication with 22 gauge GI Sheet of any diamention including all fixing arrangment like nut/ bolt/ washer or any modification at site requirment , and taking down old unserviceable dumper all as specified and directed by Engr-in-Charge.

S & F duct pre insulated PIR panel of 20 mm thickness of panel ,both side of panel Aluminium coating ,working temprature -35 degree to +100 degree centigrade, fire classification BS476 Class 'O' Part 6&7,as per Green thechnology "CFC FREE" ,leasser friction in duct, corrosion resistance ,energy saging including all necessary fixing arrangement and support to roof and connected accessories i. e. nut, bolts, fastener, flat iron strip, clamps etc and taking down of old duct alongwith accessories, complete all as specified and directed directed by Engr-in-Charge.

M&L for cleaning of inside surface of supply Return/Exhaust Ducts of HVAC system by (NADCA certified duct cleaning agency ) using high power vacuum air compressor robotic camera air hammer, special nozzle, air sweep with other required accessories and inspection of dust before and after cleaning of duct using color video inspection complete all as directed.

Supply, installation and testing of online electrostatic mechanical water treatment system with electrically operated control panel to be fixed on sub header of AC Plant. The outer casing shal be of 304 grade stainless steel with both ends falnged and capable preventing scale formation. The same shall be suitable for water flow rate 5250 LPM each dia of pipe 6''/150mm in condenser circuit. The work includes cutting of existing GI/MS sub header and providing mild steel flange heavy duty and joining with nut & bolts ,gaskets at both ends with welding and modification in existing system complete as reqd. electrostatic scale of online non chemical scale preventer system 'scale off'. Model No.7033 by M/S Weldon Engineers (India) suitable for 350/400 TR AC Plant. Make:- Weldon Engineers (INDIA) Scale off/Hydrokon/Dolphin

Taking down extg damaged board from installation and S&F glow sign board with steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS 1162 -1998 grade St 240 also S&F mild steel sheet thickness 1.25mm plain back sheet in wall cladding ,cut to size hole punched ,incl round healed screws fixed to wall with suitable size LED board incl suitable number of LED light fittings for proper illumination all as specified and directed by engr-in-charge. Note:- Content of board will be provided by Engr-in-Charge.Contractor need to liason with deptt for content before going for order.

ISHWAR ENTERPRISES (BID ID -3488318)

RUCHIKA ENGG.WORKS (BID ID -3487885)

SNOWY ENGINEERING INC (BID ID -3489741)

Flint India (BID ID -3489472)

CHOUDHARY ELECTRICAL (BID ID -3488972)

SANJEEV ENTERPRISES (BID ID -3490952)

P S TRADERS (BID ID -3495555)