REPAIR/ MAINT OF CHLORONOME PLANT OF WATER SUPPLY SERVICES

Amount

Comprehensive maintenance of decrin dosing plants installed at various installations of GE (AF) Bamrauli of different capacity/model comprising of the following:-

(a) Daily checking of all plants for functional aspect of decrin dosing plants such as checking of valve, checking of gauge etc and making the plant functional for operation also by arresting any kind of leakage/blockage of plant any time any location under GE (AF) Bamrauli Area and rectifying the same within 30 mins after receiving information for making functional/ leak proof the plant by skilled mechanic and other minor parts not specifically mentioned shall also be replaced where required for proper functioning alongwith safety equipment required to detect/stop the leakage/blockage on daily basis duly signed by all operators of plants at various installations and the same shall be produced to JE E&M / AGE E/M by next day

(b) Daily checking of availability of chlorine at all the pump houses and at least one user end of each pump house, checking of samples of water at Command MI Room as per the direction of doctor/ nursing asst and the same be recorded on a register and signature of MO or person authorized to do so may be obtained and produced to Engr-in Charge for verification every day. NOTE:- (i) Record on account of item No.1(a) and (b) to be produced while claiming the RAR. (ii) Cost of gasket, nut/bolts, washers, lubricants, oil grease etc and other minor parts not specifically mentioned shall also be replaced where required for proper functioning shall deemed to be included in the quoted unit rate. No extra payment shall be made to the contractor on this account. (iii) Quoted rate will not include for operation of plants. Operation of plant shall be carried out by the department. (iv) Unit shall be 08 hours per day

S&F in replacement of gun metal gate valve 15 mm size ISI marked with iron wheel head, screwed both end for iron pipe complete all as specified and directed. Make : Leader/IVC/BIR

Supply only Calcium based granular disinfectant for Water Treatment containing 65% to 70% chlorine in granular form and also having appropriate quantity of dispersants/ corrosion inhibitors to prevent encrustation/ scaling in distribution systems, packed in 45 Kg sealed container complete all as specified and drected by Engineer-in-charge.

Disconnecting, taking out and replacement of Dozing injector 230V 50Hz including on/off switch and stokes / Minute of Max 135 and Minimum 15 with motor, Discharge pressure 10Kg/cm2, High flow rate 0-30 Ltr/Hr including accessories injection check vlave, foot valve, suction and delivery vent, NRV, end caps with internal threads to secure on the injector and main pipe line, with suitable mounting brackets complete all as specified and directed.

Disconnecting and taking out the unserviceable 120 watts agitator motor, 960 RPM , single phase and rewinding with copper enamelled wires of suitable gauge, replacement of bearing, brackets and tolerance rings suitable for agitator including refixing complete all as directed.

Supply and fixing in replacement of 120 watts agitator motor, 960 RPM, single phase 230V complete all as specified and directed.

S&F in replacement of PVC/UPVC/Synthetic pump tube of length 19 cm and dia 1 cm suitable for decrin dosing pump including taking down old unserviceable pump tube complete all as directed.

S&F in replacement of check valve duckbill suitable for decrin dosing pump including taking down old unserviceable check valve duckbill complete all as specified and as directed.

S&F in replacement of 3/8" white suction/discharge bore nylon braided hard PVC pipe suitable for decrin dosing pump complete all as directed.

S&F in replacement of FRP preparation tank / dosing tank of 100 Ltr, FRP dosing, top dia 540mm, net height 575 mm dia, bottom 480mm, consisting of water inlet line, drain, overflow level gauge inspection port complete all as specified and directed.

S&F in replacement of PVC impeller 50 mm dia fixed on HDPE shaft 25 mm dia, 650 mm long shaft with suitable ferule for insertion to agitator motor shaft for preparation tank complete all as directed and directed.

S&F in replacement of chlorine test kit comprising of various, test tube, standard colour shades indicating the availability of residual chlorine including 100 ml orthothoduline solution all specified and directed by Engr-in-Charge.

S&F in replacement of Injector valve(NRV) for dosing pump protect against backflow and generate a defined back pressure complete all specified and directed by Engr-in-Charge.

S&F in replacement of Foot valve suction strainer for dosing pump complete all as specified and directed.

S&F orthothoduline solution 500 ml for checking of residual chlorine complete all as specified and directed.

S& F in replacement of mug plastic with handle 500ml capacity used for pouring granuel to preparation tank/ dosing tank complete all as specified and directed.

S& F in replacement of rubber gloves for preparation of chlorine in preparation tank/ dosing tank complete all as specified and directed.

S& F in replacement of flexible PVC pipe 15/20 mm inner dia for filling of water to preparation tank/ dosing tank with all necessary connection as required in pump house chlorine room complete all as specified.

M&L for Testing of water sample (biological and chemical analysis from any Govt auth laboratory). The sample of water will be collected from at Central Sewage Treatment Plant at South camp& MAP Air Force Station, Bamrauli in suitable sterelised bottle as intimated by reputed government laboratoty and the water will be tested for Apperence, Odour, total dissolved solid, suspended solid, PH value, oil & grease, Ammonical nitrogen, Free Ammonia (NH3), Bio chemical oxygen demand (BOD), Chemical oxygen demand (COD) complete all as specified and directed by Engineer-in-charge(water will be collected in presence of JE E/M I/C of water supply for testing from the lab as authorized by Engineer-in-Charge. Note: Testing will be carried out on monthly basis.

M&L for cleaning of over head tanks of capacity 10000 Gallons to 100000 gallons comprising of the following operations :- (a) Dewatering of the tank shall be carried out with gravitational flow. (b) Removal of left over dirty water and sludge shall be carried out. (c) Cleaning of overhead reservoir completely with bleaching powder and interrnal walls, floor, ceiling of tank shall be carried out by high pressure water jet. Pressure of machine shall not be less than 80-120 bar and ensure that no dirt, algae or moss remain on surface of tank. (d) Date of cleaning and capacity of tank will be written on OHT with white paint in a black painted square of suitable size in obliterating old writing of any description with paint to match existing works with letters or figures (Block, Roman or Indian) size of each letter will not be less than 5cm.

M&L for two coat of synthetic enamel paint (with black/blue/red post office paint) including scraping down complete with old painted surface of pipe line of various sizes (rising main, delivery wash out and over flow pipe upto 18 mtr height from ground level) also air compressors and rubbing pipe with 10 No sand paper to make surface smooth including arrow marking and writing of direction of water complete all specified and directed

S&F in replacement of Fountain Light With Stand (Jumbo) 12V 30 watts, MultiColor AutoColor Change, AUSTIN Jumbo Fountain SS SMD(LED) Light With Stand (100% Water Proof ,Resin Filled), complete all as specifed and directed.

M&L for preparation of old painted surfaces by scraping down, cleaning and applying two coat of synthetic enamel paint to AC installation central type AC plant (package chiller water cooled) 2x50 TR all as existing colour code including sign writing as directed (AC installation comprising of compressors,mono block pumps & motors, condensers, pipe line, hot and cold pipe lines, cooling tower,AHUs, and display board) including marking direction of flow and writing SM / MES Nos of size not less than 25mm with black paint . Note : (i) Due care shall be taken to avoid paint sprinkles on glass parts, floor, air filter etc loose parts to be removed and re-fitted after cleaning (ii) Cleaning all paint sprinkles and marks shall be the responsibility of contractor.

M&L for Servicing of FRP cooling tower of central type AC plant including, cleaning of inside of heads, pipe, nozzles, greasing/oiling of cooling tower motor with fan , cleaning inside tank etc and Cooling tower sprinklers, pipes, etc. shall be inspected and attended for proper spray and repair/replacement shall be done for which nothing extra be paid complete all as specified and directed.

M&L for overhauling & servicing of AHUs Make ZECO capacity 15000 cfm and carry out of following tasks once in three months minimum and records be maintained.: (i) Open fan section cover AHU; check belts for wear and tear. Replace if necessary, check bearings and alignment of belt drive. Refit the fan section.(ii)Inspect cables for loose/loaded terminal, rectify if necessary. (iii). Checking the system for leaks and then rectifying leaks, if any.(iv)Check AHU motor mounts for undue vibrations. Replace mounts if necessary.(v) Lubricating/greasing the bearings of blower motor and replace bearing or bush if neccessary (vi) Carry out chemical cleaning AHU coils. (vii)The air handling unit filters shall be inspected and cleaned regularly.

M&L for overhauling and servicing of monoblock pump set of 5.0 or 7.5 HP capacity make kirloskar and carry out the following tasks all as specified and directed. (i). Disassemble the pump.(ii). Inspect it.(iii) Replace worn parts. (iv) checking water seal Note: Replacement of old bearing / bush and water seal complete as per existing are paid sepratily in Sch.

M&L for Isolating the shell and tube of condenser from water pipe line and de-scaling by circulating of concentrated solution of chemical descaler through condensers unit opening of headers and pouring acid inside tubes, cleaning by nylon brush form both side and removing complete scale from tubes and headers with proper care checking of leakage, replacement of headers gasket of both side connecting, testing including leakage detection in shell or tube condenser if any and rectification to be carried out with proper testing all as specified and directed by Engineer-in-Charge for the following :- Note : De-scaling solution shall be measured and paid separately as supply only under respective item of this sch.

M&L for servicing of Water Cooled Scroll Chiller units (Make: Bluestar & Model: XWCS4052AR2 ) with Micro Processor based control panel the same shall be checked regularly for its satisfactory operation and if any electronic parts like PCB,displayunit,wiring fault etc are found defective the same shall have to be repaired/replaced by contractor in quoted rate.Note:contractor is rsponsible to attend break down immediately for above through out the contract period.

M&L for servicing of hot water genrator (Make : Rapid cool and Model :RC-544) with control panel the same shall be checked regularly for its satisfactory operation and if any electronic parts like PCB,displayunit,wiring fault etc are found defective the same shall have to be repaired/replaced by contractor in quoted rate.Note:contractor is rsponsible to attend break down immediately for above through out the contract period.

Supply and fixing in replacement of Ammeter size 95mm digital type accuracy class 1.Make:AE / Enercon/L&T

Supply and fixing in replacement of Thermal over load relay range 0-10 amp .Make L&T or equivalent in Legrand

Supply and fixing in replacement of Single phase preventer as per sample with system supply 415 V AC 50 Hz make : Minilac/ L&T or equivalent in Legrand

Supply and fixing in replacement of Volt meter size 95mm digital type accuracy class 1 Make:AE / Enercon.

Supply and fixing in replacement of V Belt as per sample

Supply and fixing in replacement of Sensor for cutt off switch

Supply only chemical descaler solution(have PH value less than 2.0 at 100% concentration) for cleaning of condensers.

Supply and filling Non Freezing polyolester lubricant oil(POE-160PZ) to top up the scroll compressor . Make :Denfoss/TOTALINE/MANEUROP)

Supply only Refrigerant gas R-407 in sealed gas cylinder.

Supply and fixing in replacement of water flow switch as per existing model.

Supply and fixing in replacement of Thermostatic expansion valves as per existing model.

S& F in replacement of Y strainer of of cooling tower as per existing sample

Supply and fixing in replacement of strainer filter for hot and cold pipe lines as per existing model.

Supply and fixing in replacement of dry type cleanable and easily maintainable AHUS air filter suported by GI wire as per existing sample of air handling unitcomplete all as directed by eng in charge.

Supply and fixing in replacement of ML-3 power contactor 3 phase Make L&T / Legrand or equivalent

Supply and fixing in replacement of scroll compressor unit of Make: Danfoss and Model: SZ185S4RC including compressor oil of 12.5 TR capacity by cutting of suction and discharge lines, unscrewing the foundation nuts & bolts etc, supply and fixing of new scroll compressor unit of suitable make as existing by connecting suction and discharge lines with filling of refrigerant gas including welding/brazing work and tightening foundation nuts & bolts etc all as specified and directed.Note:- Refrigerant gas shall be measured and paid separately as supply only under respective item of this sch.

Supply and fixing in replacement of HEAT EXCHANGE PVC fills HONYCOMB TYPE OF SIZE 600X300X150 MM or nearest higher size for cooling tower of AC Plant.

M&L for rewinding of electric motor of AHUs/cooling tower /mono block pump any make 3 phase, 415V, 7.5 or 5 HP with PVC insulated heavy duty superior quality copper winding wires of suitable gauge/size matching to existing, straightening and replacement of U/s spares, cleaning of stator slots properly by using adequate size of sand paper including insulating materials complete all as specified and directed.

Supply, fixing, jointing and testing 80 mm dia cast iron butter fly valve (ISI MARKED) flanged type complete all as specified and directed. Make :- Bir/Leader/ Kerloskar.

S&F in replacement of round flanged type heater U tube shaped 6 KW 240 volts, single phase 50 HZ complete all as specified and directed.Make: Daspass/Bajaj/Theeta.

S&F in replacement of water pressure gauge at suction and discharge side of pump in 4 inch round shape (0-100) LB/IN C2 with U or S shaped steel tube of 12mm dia approx length of 300 with pressure regulator valve brass connected with union reducer to the water supply line by making hole and welding and testing complete all as specified and directed.

S&F temperature meter 6 inch long for condenser suction and discharge as per existing model.

Supply only the following spare parts suitable for monoblock pump of capacity 5 HP to 7.5 HP as per existing model complete all as specified.

a. Ball bearing

b. Fan cover

c. Impeller

d. Delivery casing

e. Saft ring

f. Gland

g. Bush

h. Rotor with Shaft

i. Stator

M&L for reapir of worn out shaft of monoblock pumps by welding or lathe maching or as required to remove the bearing endplay all as specified and directed by eng in charge

S&F in replacement MCCB 4 Pole, 250 Amps, 25 KA 415 volt grade complete with sheet metal enclosure and connecting with controller panel all as specified. Make Legrand or equivalent as specified in in list of makes.

S&F in replacement MCCB 4 Pole, 125 Amps, 420 volt grade complete with sheet metal enclosure and connecting with controller panel all as specified. Make Legrand or equivalent or equivalent as specified in in list of makes.

S&F in replacement MCB TP , 32-40 Amps, , 10 KA ,C curve 240 volt grade complete with controller panel all as specified. Make Legrand or equivalent or equivalent as specified in in list of makes.

S & F in replacement of 80 mm thick puff slab with aluminium sheets (Polyurathene foam with 1.2 mm thick aluminium chequred sheet) for floor insulation of cold room complete all as specified and directed.Make:- Awantika / blue star / Carrier / Ahata.

M&L for insulation of duct with 25mm thick thermocol, painting with black Japan paint, between GI wire mesh net including covering with aluminium sheet as per sample and making good as per existing complete with covering of all as directed by Engineer-in-charge.

Note :- Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items. The same shall be recovered from various payment to contractor before handing over old material.