REPAIR/ROUTINE PREVENTIVE MAINT AND REPLACEMENT OF FILTERS, DUCT CLEANING AND REPAIR TO FCUs, CSUs, COOLING TOWERS, CONDENSER AND CHILLED WATER PIPE LINE AND AHUs AT NB(K)

Amount

M&L for dismantling of defective condenser/chiller pump motor of capacity upto and including 5 HP after disconnecting electric connection from motor terminal, transport to local work shop and taking out of bearing and re-metaling the bearing housing shaft, including rewinding with same gauge super enamelled copper insulated wire winding, turning to the required size, cleaning of stator, varnishing, drying, re-assembling, painting the motor to bring in original state including fixing on the foundation all as directed .

All as per item No 1 but for capacity above 5 HP and upto 7.5 HP complete all as specified and directed.

M & L for dismantling of defective CT fan motor of capacity upto 3 HP including disconnectiong electric connection, fan blade and opening the motor cover, removing the burnt coil, cleaning , rewinding with Super Enamelled copper wire of existing size , insulating , varnishing , heating , baking , re assembling , replacement of motor bearing of existing size including transportation from existing location to workshop and back, refixing of electrical connections , refixing of fan bush ,and balancing of fan, recommissioning all as specified and directed .

All as per item No 3 but for capacity above 5HP and upto 7.5 HP complete all as specified and directed.

All as per item No 3 but for capacity above 7.5HP and upto 12.5HP complete all as specified and directed.

M & L for dismantling of defective AHU motor of capacity 3 HP including blower after disconnectiong electric connection from motor terminal and opening the motor cover, removing burnt coil, cleaning , rewinding with Super Enamelled copper wire of existing size , insulating , varnishing , heating , baking , re assembling , replacement of motor bearing of existing size including transportation from existing location to workshop and back, refixing of electrical connections, testing after repair , refixing of blower belt, alignment with blower with motor, recommissioning all as specified and directed .

All as per item No 6 but for capacity above 3 HP and upto 7.5 HP complete all as specified and directed.

All as per item No 6 but for capacity above 7.5 HP and upto 15 HP complete all as specified and directed.

Supply and replacement in repair round type cooling tower sprinkler aluminium with distributer pipe & stay rod suitable for capacity upto 60 TR all as specified and directed. Make of CT : Paharpur/Mihir/ Delta.

All as per item No 9 but suitable for 80 TR complete all as specified and directed.

All as per item No 9 but suitable for 100 TR complete all as specified and directed.

All as per item No 9 but suitable for 120 TR to 150 TR complete all as specified and directed.

All as per item No 9 but suitable for 240 TR complete all as specified and directed.

S&F in replacement of PVC Fills of suitable size for capacity 10TR to 50 TR of fine quality as per existing at site, all as specified and directed.

All as per item No 14 but for capacity 51TR to 100 TR complete all as specified and directed.

All as per item No 14 but for capacity above 100TR and upto 150 TR complete all as specified and directed.

S&F in repair PVC nozzles 3/4'' dia for rectangular type cooling tower all as specified and directed.

S & F in replacement of PVC heavy grade pipe of size 40 mm to 80mm with having drilling holes for water spray distribution line in cooling tower including complete connection with hub, sprinklers of existing CT fan shaft all a specified and directed

All as per item No 18 but of size 100mm complete all as specified and directed.

Supply and Fixing in repair CI 'Y' strainer of size 50 mm dia in condensing/chilled water line complete dia including modification of pipe line for fixing the strainer and replacement of flanges and nuts & bolts, packing etc all as specified and directed . Make:Advance/Leader/Castlers/Sant

All as per item No 20 but of size 65 mm dia complete all as specified and directed.

All as per item No 20 but of size 80 mm dia complete all as specified and directed.

All as per item No 20 but of size 100 mm dia complete all as specified and directed.

All as per item No 20 but of size 125 mm dia complete all as specified and directed.

Supply and fix in repair CI butterfly valve full open with operating handle of size 50 mm dia including replacement of old nuts & bolts, packings modification of flanges if necessery and all as per specified and directed.Make:Advance/Leader/Castlers/Sant

All as per item No 25 but of size 65 mm dia complete all as specified and directed.

All as per item No 25 but of size 80 mm dia complete all as specified and directed.

All as per item No 25 but of size 100 mm dia complete all as specified and directed.

All as per item No 25 but of size 125 mm dia complete all as specified and directed.

Taking down corroded GI pipe line and replace with GI tubing 65 mm dia medium grade including welding, connecting and painting two coat of synthetic enamel paint all as specified and directed.

All as per item No 30 but of size 80 mm dia complete all as specified and directed.

All as per item No 30 but of size 100 mm dia complete all as specified and directed.

All as per item No 30 but of size 125 mm dia complete all as specified and directed.

Supply and fixing in replacement PVC makeup water tank of 500 ltrs capacity ISI marked triple layered of suitable height and size with necessary inlet from the existing water connection point as directed by Engineer in charge at site by using pipe line connections for inlet & out let should be suitable sizes of CPVC pipes for required water discharge and outlet for continuous water flow for the smooth function of system, overflow connection and float valve assembly and a butterfly valve to connect the cooling tower all as specified and directed.

All as per item No 34 but of capacity 1000 ltrs complete all as specified and directed.

Supply and fixing in repairs ball valves, high pressure of PTMT with epoxy coated aluminium rod and high density plastic bal screwed for iron pipe and fixed of size 20mm (Minimum weight 20mm - 210 gms) complete all as specified and directed.

Supply and fixing in repairs ball valves, high pressure of PTMT with epoxy coated aluminium rod and high density plastic bal screwed for iron pipe and fixed of size 25mm (Minimum weight 25mm - 455 gms) complete all as specified and directed.

Supply and fix in repair dual plate check valve of size 50 mm dia including replacement of old nuts & bolts, packings modification of flanges if necessaery and all as per specified and directed.

All as per item No 38 but of size 65 mm dia complete all as specified and directed.

All as per item No 38 but of size 80 mm dia complete all as specified and directed.

All as per item No 38 but of size 100 mm dia complete all as specified and directed.

All as per item No 38 but of size 125 mm dia complete all as specified and directed.

M & L for removal of complete FRP cooling tower including fan CT motor, fills, sprinkler/nozzle, pipes, valves and preparation of damaged surface and apply FRP sheet and suitable chemical solution (min two coat) of required quantity to make it leak proof and complete re-assembling including replacement of old nuts, bolts and washers etc as per site requirement including refixing of all removed items back fitting and painting of entire cooling tower and condensor pipe lines upto condensor shell of existing colour, alignment of fan motor and testing all as specified and as directed upto capacity 100 TR complete all as specified and directed. .

All as per item No 43 but for capacity above 100 TR and upto 150 TR complete all as specified and directed.

All as per item No 43 but for capacity above 150 TR and upto 240 TR complete all as specified and directed.

M & L for Monthly servicing including taking out complete air filters from ceiling suspended type AHU carefully and cleaning including arrangement of scaffolding/ladder for removing dust by using pressure water, greasing shaft and bearings, alignment of blower motor, tightening of blower V belt and refixing filters after drying all as specified and directed . Note :- Replacement of Air Filter shall be resposibility of contractor if damage occur while removing or refixing.

M & L for Monthly Servicing to the indoor unit Fan Coil Unit clean with mild Air blower in the coil side including arrangement of scaffolding/ladder for remove the inside fine filter, cleaning and fix in proper place , check the drainage water/chilled water pipelines, rectify if any leakage found complete all as specified and directed.

M & L for dismantling of defective condenser/chiller pump motor of capacity upto and including 5 HP after disconnectiong electric connection from motor terminal, removing defective bearing, water seal, gland bush, suitable gaskets/rubbers, nut bolts, terminal box and gland packing including reassembling, painting and refixing at same location/connecting of all electrical connections all as specified and as directed.

All as per item No 48 but for capacity above 5 HP and upto 12.5 HP complete all as specified and directed.

M&L for removing defective Micro Processor control, model no VLRP 4/5/6 Panel board of exisiting chiller unit of AC plant capacity 15 TR to 120 TR , replacing the relay assembly, calibration of Micro processor, return to site, refixing in position, setting all readings and run testing all as specified and as directed . Make of unit: Voltas,Bluestar and Carrier

Supply and fix in replacement HEPA Filter at (OT-1,2,3) from inside OT complex at INHS Sanjivani hospital with HEPA chamber box type 0.3 microns, H 13 grade, MOC (Magnesium oxy chloride) Aluminium anodised casing. Media : Water repellent Glass micro fibre media with Aluminium corrugated foil seperators. Construction : Pleated type. Initial Pressure drops: 25 mm WG, Air Flow : 1000 CFM, Efficiency 99% down to 0.3 microns, Gasket : Provided on air outlet side, size: 610X610X75 mm (box type)/same size as existing at site . Make : Imbec/Aerosol

Supply and fix in replacement of pre filter from inside OT fixed in the laminar return area, supply and fixing of Pre Filters , Flange type, EU4 Grade, 10 micron, MOC:Aluminum casing, Media : Non-woven synthetic with HDPE mesh on air outlet side Aluminium mesh Pleated support. IPD: 4.5mm, Efficiency 90% down to 10 micron, air flow: 1000cfm, Gasket ; Provided Size : 660x 360x50mm ( Flange) .Make : Imbec/Aerosol

M & L, Checking of existing condition of air ducts making the arrangement of visualization and the process for disinfection for Indoor air quality of AC ducts with robotic including plenum box, supply air, return air ducts with compressed air and flipper, HEPA Negative machine, air compressor, various types of air nozzles all as specified and as directed

M & L Cleaning of Operation Theater with 100 % Fresh Air type AHU cooling coil by using Bio Enzyme coil cleaner, pressure jet pump so as to improve heat transfer and avoid fungus formations appx room sizes 8 mtr x 8 mtrx 4 mtr as specified and dirtected.

Supply and fixing plastic mesh heavy duty, mesh size less than 10 mm X 10 mm for cooling tower with necessary fixing arrangements all as specified and as directed .

M & L for Welding/cutting of MS Pipe/Rail/MS flanges etc at various locations of AC Plants including with all necessary tools and equipements all as specified and directed.

Supply and fixing of cooling tower fan blade upto capacity 30 TR suitable in existing CT fan hub with suitable length (approx 300mm to 450mm) and size with aluminium alloy material with necessary nuts, bolts, and washers complete all as specified and directed.

Supply and fixing of cooling tower fan blade upto capacity 35 TR to 100 TR suitable in existing CT fan hub with suitable length (approx 300mm to 450mm) and size with aluminium alloy material with necessary nuts, bolts, and washers complete all as specified and directed.

Supply and fixing of water flow /pressure differential switch, 5-15 Amp, complete all as specified and directed.

Dismantling old cooling coil from AHU unit of capacity upto 40 TR by disconnecting refrigerant gas/chilled water pipe line and leak testing with pressurised water and brazing/welding of cooling coil and water pipelines and refixing the same in the existing AHU at site including all connections, fabrication works and testing complete all as specified and as directed by Engr-in-Charge.

M&L for dismantling of ceiling suspended concealed FCU 3 TR of Model No MKT3-1200G12, 11 KW, 1200 CFM, Blow through type from the site and refixing after servicing/winding of motors and blowers and brazing/leak arresting of cooling coil as per recommendation of OEM complete repairs/replacement of damaged puff body portion, drain pan including fabrication and supporters work all as specified and as directed.

Supply and fixing digital thermometer complete all as specified and as directed.

M&L for providing eco friendly vapour barrier for HVAC ducts/chiller pipelines by applying non flamable, low VOC, anti fungal, water based lag coating on the duct surface uniformly by brush or spreader, wrap the duct with 7 mils thick canvas or glass fiber cloth tightly with overlapping for avoiding air gaps, allow to dry and apply an additional coating over the duct in similar method all as per standard and as directed. Make : Fevicol AC duct King lag coating AF5590 or equivalent

M&L for dismantling old unserviceable modular actuator with valve and supply and fixing modul actuator 140sec,240V AC 50Hz, Make: Honeywell VC 7931 model No. T65 TS110 IP40 or extsting model at site including replacement of 3 way ON/OFF valve of size 25mm to 65mm for controlling the chilled water flow, complete wiring all as specified and as directed.

AR Traders (BID ID -3135557)

General Engineering and Constructions (BID ID -3135519)

Glacier Cooling Solutions Private Limited (BID ID -3135771)