COMPREHENSIVE MAINTENANCE OF DG SETS AND CHLORONOME PLANTS INCLUDING CONNECTED ACCESSORIES AND DISINFECTANT CHEMICALS FOR WATER SUPPLY INSTALLATIONS MANNING AND OPERATION AND MAINTENANCE OF COMMAND TARANG AND IMSC SWIMMING POOL AND MANNING AND OPERA

Amount

Part -I - A Comprehensive Maintenance of DG sets and Chloronome Plants including connected accessories and disinfectant Chemicals for Water Supply Installations under GE (NW) Navy Nagar Colaba, Mumbai. Comprehensive Maintenance of DG Set of Make Cummins/Kirloskar and Capacity 160 KVA at Kanya Pump House, consisting daily, monthly, half yearly and yearly Periodical Routine Maintenance/Checks as per OEM Recommendation, minor repairs and testing of DG set, including under mentioned works complete all as specified and directed :-(a) Examine suction and Exhaust Valves and Cleaing if necessary for smooth operation (b) Examine and clean fuel injection, nozzles (c) Check clearance of suction and exhaust valves and adjust if required (d) Changing of Oil filters, Fuel filters, Screen filters assy as and when required (e) Clean Alternator winding in position by forced air and internal surfaces, lubricate DE & NDE bearings as and when required (f) Test IR value of alternator winding and recording the readings (g) Tightining of all nut bolts (h) Greasing wherever is requird (j) Checking of any leakage of fuel & Oil lines (k) Cleaning of fuel tank when due (k) Checking and servicing of Turbo Charger as and when required. Note : (a) Work is including consumables like cotton waste cloth kerosene oil etc. (b) 'B' Check shall be carried out every month (c) Complaints if any shall be attended as and when ordered (through Phone/in writing) by Engineer-in-Charge (d) Major over hauling of Parts and spares will be measured and paid separately) (e) DHPP (N) required at the time of mainteance/ testing will be issued by MES.

All as per item No. 01 here in before but 125 KVA capacity at Vidya/Vijaya Pump House.

All as per item No. 01 here in before but 75 KVA capacity at Main Pump House.

Supply only in replacement against item No.1.00, 1.01 & 1.02 here in before the following items:-

Fuel filter for DG Sets of Kirloskar for capacity 160 KVA

Fuel filter for DG Sets of Kirloskar for capacity 125 KVA

Fuel filter for DG Sets of Kirloskar for capacity 75 KVA

Lubrication oil filter element with 'O' ring for DG Set of Kirloskar for capacity 160 KVA

Lubrication oil filter element with 'O' ring for DG Set of Kirloskar for capacity 125 KVA

Lubrication oil filter element with 'O' ring for DG Set of Kirloskar for capacity 75 KVA

Air filter element inner and outer with 'O' ring for DG of Kirloskar for capacity 160 KVA

Air filter element inner and outer with 'O' ring for DG Set of Kirloskar for capacity125 KVA

Air filter element inner and outer with 'O' ring for DG Set of Kirloskar for capacity 75 KVA

Lub oil SAE 15 W - 40 (Make : Castrol/Power Supreme) for Top up or filling up the oil.

Distilled water to be filled in batteries

Coolant

Fan Belt for DG Sets of Kirloskar for capacity160 KVA

Fan Belt for DG Sets of Kirloskar for capacity125 KVA

Fan Belt for DG Sets of Kirloskar for capacity 75 KVA

Voltmeter 0 to 500 Volts AC Make: AE/MECO

Tachometer/Speedo Meter

Material & labour for Descaling the radiator assembly and inter cooler assembly after disconnecting and dismantling from the engine, cleaning with acid, checking/rectifying any leakage, replacing gaskets, hose pipes, clips, reassemble/refix with the engine, refilling the coolent oil complete for DG Set of Kirloskar for capacity 75 to 160 KVA complete all as specified and directed

Supply and Fixing in repairs battery of Kirloskar for capacity12 V, 150 AH suitable for DG Set complete all as specified and directed. Make : Exide/Amron/TATA

Material & labour for Repairs to 12V battery charging dynamo assembly by removing, dismantling, replacing the unserviceable burnt rotor and stator assembly reaffixing to the engine and testing for satisfactory charging of battery complete all as specified and directed

Material & labour for Repairs to 12 V self starter assy by removing, dismantling and taking it to authorised workshop and replacing unserviceable armature including field coil tapping, re-fixing to the engine testing for satisfactory function complete all as specified and directed

Taking out old unserviceable AVR from DG Set and Supply and Fixing AVR (Automatic Voltage Regulator) suitable for DG Set of Make Kirloskar/Cummins of Kirloskar for capacity75 to 160 KVA having input voltage 2 phase + neutral sensing voltage 415, output voltage 95 V DC, output current 4A DC voltage regulation +/- 1 % average volts, over excitation current tripping, fuse protection 4 A, fast acting and frequency 50 Hz complete all as specified and directed. Make: Kirloskar / Cummins.

Material & labour for Preperation of old painted exposed surface of DG Set, removing all dirt, dust, grease oil etc and Painting exposed surfaces of DG set including accessories fixed with the DG Set, with two coat of synthetic enamel paint of approved colour complete all as specified and directed for DG Set of Kirloskar for capacity160 KVA.

All as per item No. 8 above but 125 KVA capacity.

All as per item No. 8 above but 75 KVA capacity.

Repair/Maintenance to AQUAFIT Chlorine dozing system assembly with chlorine injector dozing pump, cleaning, servicing, carrying out minor repairs and testing. (Note : (a) Work is including consumables like cotton waste cloth etc. (b) Parts and spares requied to be replaced shall be measured and paid separately.

Supply only in replacement against item No.11 here in before the following items:-

Gear motor 230 volt 50 Hz suitable for decrin dosing pump Part No PM 682 CE

Rotor assembly with bearing brackets and tolerance rings. Part No PMBR PL2

Coil 250 volt, 50 Hz Part No. MP 6 J222

Single head feed rate control with shaft. Part No FC 5040D

Pump head (Ferrules 1/4" including duckbill Part No UCPH 7 FD

Roller assembly Part No. MC3ASYD

Pump tube. Part No MCCP 207

Injection check valve 3/8" Part No MCINJ 38

Weighted suction line strainer 3/8" Part No. ST 138

White suction/discharge tube Part No. MAL T002

Supply & fixing in repair dosing Pump high pressure single head gear motored adjustable dosing pump with accessories include lead tubing, connecting nuts, injection check valve, clay weight, ferules complete all as specified and directed

Supply and Fixing in repair dosing system consisting 40 ltr-100 ltr PE/FRP Tank with PE/FRP Lid & level gauge along with agitator with shaft & blade in plastic tank complete all as specified and directed.

Supply only Calcium Hypochlorite in granular form in 45 or 25 Kg drum, having minimum 70% of available chlorine (Ca(OCI)) with anti-corrosive and anti-scaling properties suitable for human consumption. Make: PuriChlor (SRHSH). Note: Contractor shall produce letter of authorisation, COA with unique serial number and NSF certiifcate from manufactuer complete all as specified and directed

Chemical Earthing of Copper Bonded Rod of diameter 17.2 mm and length of 10 feet UL approved with 25 KA current discharge test from CPRI . The material shall be low carbon high tensile copper bonded rods with 99.9 % of copper on the surface. The UL Approval certificate shall be provided. shall be filled with highly conductive and eco friendly ground enhancing compound as per IEC 62561- 7 shall be not less than 30Kg per pit & Poly pit cover complete all as specified and directed

Supply & fix in repair thermal overload relay of range 18-25 A (Manual Reset) complete all as specified and directed ,Make:-Havells/schneider

Supply & fix in repair MCCB 100 A ,3 POLE,415 Volt,25KA, thermal adjustable type Ics=Icu=100% complete all as specified and directed. Make:-Havells/schneider/HPL

Supply and fix Contactor 3-Pole,IeA-25,of 11/15 KW complete all as specified and directed. Make:-Havells/schneider/HPL

Supply and fix in repair changeover switch(Manual Type) of 400 A ,4 Pole Conforms to IEC 947-3 AC-23A, Front operated 4 Pole 415V, 50Hz. complete all as specified and directed. Make:-Havells/schneider/HPL

Supply and laying in trenches/through pipes or bare in road crossings/ paths/ drains/ ducts/floors/along poles/walls/ ceilings/ equipments etc. Cable Under ground, Heavy duty, Flexible Copper Conductor, 1100 Volts grade of sectional area 25 Sq MM complete all as specified and directed. Make:-Polycab/Havells/ Gloster

Part I -B Manning and Operation and Maintenance of Command, Tarang Swimming pool at Navy Nagar, Colaba, Mumbai under GE(NW) Navy Nagar Colaba, Mumbai. Manning & Operation of Command Swimming Pool, consisting of following equipments & Electrical Panel boards etc. by employing one FGM (Skilled) one Mate (Semi Skilled) Labours Per Shift of 8 hrs for 2 Shifts, 16 Hrs per day, (0600 Hrs to 1400 Hrs First Shift and 1400 to 2200 Hrs Second Shift) including Sundays & Holidays, Comprising the following works :- (a) Operating Pump sets of any capacity as directed (b) Checking water level in the Swimming Pool. (c) Operating Chlorination/Ionization Plants as directed (d) Maintaining Log Book for Swimming Pool (e) Maintaining record of timing of Swimming Pool operation (f) Operating Sluice/Gate Valves located within 1 KM from the Swimming Pool for Supply of water to pool as per the time schedule/requirement. (g) Routine maintenance & cleaning/back washing of filteration plant. (h) Carrying out necessary measure to achieve quality of swimming pool water as per para 3.1.1 of IS-3228 (1993) such as separating dirt/ dust /suspended particles from water and chlorination of water etc. (Note : Disinfectant chemicals and other consumable chemicals required for Operation and maintenace of Swimming Pool will be measured and paid separately under relevent item of the schedule) A. EQUIPMENTS : (a) (i) Starter Panel - 01 No (b) Vertical type pressure filter capacity 30000 gallons/ hour - 02 Nos (c) Pump set capacity 15 HP - 02 Nos (d) Suction sweeper complete with Accessories and suction hose along with 2 HP pump set - 01 No. (e) Connecting Valves of various type/sizes.

Manning & Operation of Tarang Swimming Pool, consisting of following equipments & Electrical Panel boards etc. by employing one FGM (Skilled) one Mate (Semi Skilled) Labours Per Shift of 8 hrs for 2 Shifts, 16 Hrs per day, (0600 Hrs to 1400 Hrs First Shift and 1400 to 2200 Hrs Second Shift) including Sundays & Holidays, Comprising the following works :- (a) Operating Pump sets of any capacity as directed (b) Checking water level in the Swimming Pool. (c) Operating Chlorination/Ionization Plants as directed (d) Maintaining Log Book for Swimming Pool (e) Maintaining record of timing of Swimming Pool operation (f) Operating Sluice/Gate Valves located within 1 KM from the Swimming Pool for Supply of water to pool as per the time schedule/requirement. (g) Routine maintenance & cleaning/back washing of filteration plant. (h) Carrying out necessary measure to achieve quality of swimming pool water as per para 3.1.1 of IS-3228 (1993) such as separating dirt/ dust /suspended particles from water and chlorination of water etc. (Note : Disinfectant chemicals and other consumable chemicals required for Operation and maintenace of Swimming Pool will be measured and paid separately under relevent item of the schedule) . A. EQUIPMENTS : (a) (i) Starter Panel - 01 No (b) Vertical type pressure filter capacity 10000 gallons/ hour - 02 Nos (c) Pump set capacity 10 HP - 02 Nos (d) Suction sweeper complete with Accessories and suction hose along with 3 HP pump set - 01 No. (e) Connecting Valves of various type/sizes. Note :- (i) Contractor shall submit ID proof, residential proof, bank A/C details to department and obtain approval of Engineer-in-Charge before employing a person as operator. (ii) Plant operator shall be available as per the shift timings specified in the tender and he will report to JE E/M in-Charge In case of emergency he will function according to their direction. If he is found absent or move without intimating to in-Charge or JE E/M he will be treated as absent for the said shift and recovery of Rs 1500/- per shift shall be affected. (iii) Payment as per quoted rate shall also be deducted in addition to the penalty as specified above. (iv) Contractor shall submit the labour licenece VAT & Copy of GST Regn registered number issued by concerned authority. (v) Payment to employees shall be done by crossed cheque through Aadhaar linked bank account only and it shall not be less than minimum fair wages as per act in vogue. In case payments are made in current coin or currency notes, contractor shall submit certificate alongwith undertaking of employee that asking for payment other than by cheque or by crediting in the bank account of the empolyee. The contractor shall submit prof to Engineer-in-Charge before claiming any payment. (vi) The rates quoted by the contractor shall be deemed to be included provision of all latest labour laws / regulations including all relevant taxes as applicable. (vii) The rate quoted by the contractor shall be inclusive of life insurance for the tradesmen employed by him in case of untoward incident such as injuries fracture or casualty while on duty

Supply only the following Chemicals against Item No. 22 &23 above :-

Alum Potash with ISI marked.

Soda Ash with ISI marked.

Copper Sulphate with ISI marked.

Bleaching Powder with ISI marked.

Labour only for Cleaning of entire Floor/ Wall Surface area of Command Swimming Pool by brush or Suction Sweeper to avoid development of algae etc, scraping foreign materials and cleaning the entire surfaces of bottom and side walls and remove complete dirt etc, anti-bacterial treatment using chemical disinfectant complete all as specified and directed. (Note : The Cleaing work is in addtion to the daily cleaning of pool work included in the Sch Item No. 22 &23 above. Cleaning shall be carried out with not less than two labours once in a week or as directed)

All as per item 25 above but for Tarang Swimming Pool

Part -II Manning and opertation of central Air Conditioning plant installed in Command Auditorium Old Navy Nagar of capacity 02 Nos x 89 TR, Make : Bluestar, Model No LCW1-090V030404 of chiled water type working at a time with all equipments two nos water cooler chiller unit and to maintainthe specified tempertaure 20+2*C and RH 50+5% AC plants consist of the following items /fittings/ fixtures/ devices/ composnets for smooth functioning of entire system for operation 08 hrs daily including Sunday in one shift (i.e 1400 to 2200 hrs) and taking care, cleaning etc inculding running if DG set 100KVA capacity & regular check of distilled water of battery also collecting of oil from MT and filling up DG set complete all as specified and directed. The following compents are:- a) Screw compressor hermatically sealed units using R-134A refigerant gas Make-Bluestar-02 Nos b) Condenser/Chiller water pumping set mono block centrifugal type 10 HP 3 phase 415 volts Make : Kirloskar Model No KDI1030 - 06 Nos c) AHU capacity 36000CFM Make : Zeco, Model ZDS - 350 with cooling coil DX type and blower motor - 02 Nos d) FRP induced draft rectangular tpye counter flow cooling tower of capcity 110 TR Make : Mihir model SM 6/9E/5-02 Nos e) Control devices such as expansive valves, thermostat sloenoid valves HP/LP/CP cut with panel board installed gauge thermostats - 02 set f) Condenser piping MS with valves pressure gauge temperture gague etc- 01 set g) Air supply duct with grills diffusers dampers and heater complete - 01 set h) Electrical control panel cubical type floor mounted with main switch MCCB, MCB,s voltmeter Ampere meter starter contractor etc complete - 01 set (j) Electrical control panel cubical type floor mounted with main switches, MCCB's, MCB's, Voltmeter's, starters, contractors etc complete-01 set.

Manning & Operation only for central AC plant complete as mentioned in item above but for additional shift per day as and when required complete all as specified and directed.

Material & labour for Detecting the gas leakage, rectifying the defects by vacumizing and charging fresh mafron gas and commissioning and testing the Split type AC 1.5/2.0 Ton Capacity complete all as specified and directed.

All as per item No 29 above but of Water cooler 40/60/80 Ltrs capacity.

All as per item No 29 above but of Water cooler 120/150/170 Ltrs capacity.

Material & labour for Taking out Split type Air conditioner 1.0/1.5/2.0 Ton capacity complete outdoor&indoor of any make from its original location, removing the dust from body with blower, cleaning the condenser and cooling coil by using water and caustic soda, painting the base tray with one coat of black enamel paint checking all the connections including functioning of metal clad socket/ DP switch function of relay capacitors overload protector thermostat fan motor blade fan blower drum etc. oiling/ greasing of fan motor checking serviceability and refixing it in its original place including testing commissioning for 1.0/1.5/2.0 Ton of AC of any make complete all as specified and directed.

Material & labour for preparation of old painted surfaces of Water cooler any capacity by complete scraping old painting an applying two coat of synthetic enamel painting on outer surface (spray painting) as per existing colour and black colour on bottom portion such as compressor etc. over a coat of red oxide primer complete all as specified and directed.

Taking out old unserviceable compressor and Supply, install, test & commissioning new compressor sealed reciprocating type suitable for Split type AC 1.5 Ton capacity duly charged with fresh Refrigerant gas complete all as specified and directed. Make : Voltas / Shriram / Tech cum Shah / Kirloskar/Carrier etc. as per existing make at site.

All as per item No 34 above but suitable for Water coolers 40 / 60 /80 Liters capacity

All as per item No 34 above but suitable for Water coolers 120/150/170 Liters capacity

Taking down carefully split type AC of capacity 1.5 / 2.0 ton & shifting on new location complete with pre fabricated brackets/ frame work as required complete all as specified and directed & making the good existing surface with out any damage outdoor & indoor unit complete.

Removing the existing unserviceable burnt fan motor from Split type AC of capacity 1.0 / 1.5 / 2.0 Ton and replacing the same with brand new fan motor of same capacity including reassembling and testingcomplete all as specified and directed. Make:AUE or Equivalent

Supply & fix fan motor suitable for water cooler of any capacity including removing old fan motor and testing complete all as specified and directed. Make:AUE or Equivalent

Supply,fixing and testing fan blade suitable for Split type Air conditioner of 1.0 / 1.5 / 2.0 Ton capacity including removing old fan blade complete all as specified and directed..

Supply, fixing and testing fan blade suitable for water cooler of any capacity including removing old fan blade complete all as specified and directed..

Replacement of starting capacitor 60 - 80 mfd complete all as specified and directed. Make:(ANAND/SARADA/ KELTRON)

Replacement of starting capacitor 80-100 mfd complete all as specified and directed. Make:(ANAND/SARADA/ KELTRON)

Replacement of starting capacitor 100 -120 mfd complete all as specified and directed. Make: ANAND/SARADA/ KELTRON)

Replacement of running capacitor 25 MFD complete all as specified and directed. (Make : Asian / Apcos)

Replacement of running capacitor 36 MFD complete all as specified and directed. (Make : Asian / Apcos)

Replacement of running capacitor 45 MFD complete all as specified and directed. (Make : Asian / Apcos)

Taking out old unserviceable thermostat switch and Supply & fix of thermostat switch for Split type AC of capacity 1.0 Ton / 1.5 Ton / 2.0 Ton capacity complete all as specified and directed. (Make :- Indofoss / Ranutral/Arnapurna)

Taking out old unserviceable thermostat switch and Supply & fix of thermostat switch for Water Cooler of any capacity complete all as specified and directed. (Make :- Indofoss / Ranutral/Arnapurna)

Taking out old unserviceable and Supply & Fix new over load relay suitable for Split type AC of 1.0 Ton / 1.5 Ton / 2 Ton capacity complete all as specified and directed.(Make : Microteck / Usha / Rametrol)

Taking out old unserviceable and Supply & Fix new over load relay suitable for water cooler of any capacity complete all as specified and directed.(Make : Microteck / Usha / Rametrol)

Supply & fix of Float valve suitabie for Water cooler of any capacity complete all as specified and directed.

Supply fixing and clamping jointing copper tubing for suction line and for liquid discharge line duly insulated with suitable insulation material including making hole in wall for passing through and making good to the disturbed surface after taking out old unserviceable copper tube complete all as specified and directed.

Supply and lay cable PVC insulated 3 core 4 Sq mm with copper conductor cable suitable for indoor unit to outdoor unit after taking out old unserviceable complete all as specified and directed.

Supply and lay PVC pipe 20 mm dia heavy duty for drain out condensing water of split AC including cutting of floor / opening of hole in wall and making good after laying of pipe etc match the existing surface after taking out old unserviceable complete all as specified and directed.

Supply & fix push cock / lifting cock of 15 mm bore in repair for water cooler of any capacity after taking out old unserviceable one complete all as specified and directed..

Supply and fix sheet metal enclosure with 2 pin and earth plug and socket complete with single pole MCB of 20 Amps complete all as specified and directed after taking out old unserviceable one

Taking out old unserviceable condenser coil of 1.5 Ton Split type AC any make with fins cutting inlet & outlet connecting copper pipe and providing new condensor coil with fins and connecting inle t& outlet copper pipe by bracing and replacement of nut bolts complete all as specified and directed.

Removing electronic unserviceable Printed circuit boards (PCB) from Split type AC 1.5 ton / 2.0 Ton capacity and replacing with new PCBs and testing complete all as specified and directed.

Replacement of blower fan motor capacitor Supply & Fix blower fan motor capacitor 4 MFD for AC complete all as specified and directed. (Make : Asian / Keil)

Replacement of blower fan motor capacitor Supply & Fix blower fan motor capacitor 6 MFD Water cooler complete all as specified and directed. (Make : Asian / Keil)

Replacement of remote handset & Supply of sensor remote handset suitable for 1.5/2.0 Ton capacity split type AC complete all as specified and directed.

Taking out old unserviceable cooling coil of Split type AC any make with fins cutting inlet & outlet connecting copper pipe and providing new cooling coil with fins and connecting inle t& outlet copper pipe by bracing and replacement of nut bolts complete all as specified and directed.

Supply & fix Condensing unit Bracket of any size and type suitable for supporting to out door unit of split type AC including nut, bolts & washers complete all as specified and directed.

Repair/replacement of indoor unit of split type AC 1.5 TR cap having 5 star BEE rating complete with all accessories such as installation plate with screws, blower motor, swing motor, filter and PCB etc duly prewired including reconnecting of existing refrigerant piping, electrical connections, drain pipe etc and testing after taking out old one complete all as specified and directed. Make :- Daikin, Carrier, Mitsubishi, Hitachi

Repair/replacement of outdoor unit of split type AC 1.5 TR cap having 5 star BEE rating complete with all accessories such as hermetically sealed compressor, condenser unit, capacitor, relays, fan motor etc duly prewired including reconnecting of existing refrigerant piping, electrical connections, drain pipe etc and testing after taking out old one complete all as specified and directed. Make :- Daikin, Carrier, Mitsubishi/Hitachi

Cleaning of Air handling ducts(GI/AL) internally by using special T&P like robortic arm, air compressor, air jet nozzles, flipper, vaccum pump and a suction blower with hepa filter and check before and after the cleaning complete all as specified and directed.

Taking down (GI/AL) or any other type of false ceiling/ perforted board and Material and labour new perforted sheet of size 2x2 sqft complete all as specified and directed.

Taking down old unserviceable duct insulation, cleaning the duct surface with steel brush to remove dirt, dust and make it free of scale, greases and foreign matter and material and labour for applying two coats of bituminous paint with taking special care over non galvanised part , applying rubber based adhesive CRPX compound manufacted by shaimar tar product on ducts sticking the fiber glass section in the form of pad with the density 24 Kg/Cum and fixed tightly to the surface & all joints to be sealed properly by using sealing compound,cover with aluminium foil kraft paper laminate with minimum overlap of 50mm, seal each lap joint with self adhesive aluminium foil tape 50mm wide complete all as specified and directed.

Material and labour for maintenance free environment friendly earth electrode set comprising of 17.2 mm dia,3 mtr long long rod of low carbon steel molecular copper bounded for a thickness of 250 micro ohms ,highly conductive ANSI/NSF STD-60 certified carbon bound backfill compound which shall set like concrete according to BS7430 & IEEE 80 (each bag shall contain 50 lbs)after taking out old unserviceble one complete all as specified and directed. make-JEF Ecosafe or equivalent as approved by GE.

Supply and Lay in repair LT UG Cable on wall/floor/ceiling with proper saddles, including testing of XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 4 core complete all as specified and directed:- Note : (a) The cost of Al thimbles/lugs and cable gland etc is including in the quoted rate and no extra payment will be made for it. (b) The excavation, earth work, sand cushioning and brick protection etc will be measured and paid separately under respective items.

All as per item No 71 here in before but of size 95 sq mm X 4 core

All as per item No 71 here in before but of size 120 sq mm X 4 core

Supply & fix in repair in existing panel MCCB, 250Amps, 4pole ,36 kA complete all as specified and directed.

All as per item No 70 above of capacity of 63Amps, 25KA,4pole

All as per item No 70 above of capacity of 63Amps, 10KA,4pole

Taking down old unserviceable insulation from any surface and supply and fix nitrile rubber insulation of one layer of 19mm thickness sticking on surface by using approved adhesive and sealing the joints by weather proof tape complete all as specified and directed.

Earthing continuity Aluminium strip 25 x 3 mm or main earthing lead fixed to wall with clamps or recess or croses or buried in ground or drawn in conduits/pipe or fixed to poles or any other indicated situation for loop earthing etc as required complete all as specified and directed.

Material and labour for disconnecting Condenser/Chiller unit for descaling & plugging them & providing of 15 mm tee out let for local circulation of mild acid solution in the condenser/ chiller (separate container and small pump set to circulate diluted acid solution to be used) PH value of solution to be circulated & to be kept 4 and checking frequently i.e. every one hour during the operation Scalgun WS solution to be used for descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7 flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulating diluted acid solution as specified above & PH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified and directed.

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