Comprehensive Maintenance of Central Package Type and VRF AC Plants of Various Capacities and Connected Allied Works Under GE Utility II, Visakhapatnam

Amount

Comprehensive Maintenance of 03 Nos. VRF AC Plants, Air Cooled Package / Central type AC Plants of capacity ranging from 5 TR to 17 TR [Total 09 Nos. Units] and 13. Nos Water Cooled Central AC Plants of capacity ranging from 24 TR to 135 TR [Total 13 Nos Units] at MOV, WED & HF/DF Area complete including Cooling Tower, AHUs, Electrical Control Panels, Pumps, Pipelines, Outdoor & Indoor Units, Copper Tubes, Drain Line, Ducts, Electric Connections etc. and Connected Equipment in complete AC system including attending to breakdown and carrying out Repairs / Overhauling / Leak Testing /Servicing and Replacement of defective parts to ensure smooth and trouble free operation of AC Plants to the entire satisfaction of Garrison Engineer complete all as specified and as directed by the Engineer-in-Charge.

Note for Serial Item No. 1: The quoted rate shall be deemed to include the following provisions: [a] MINIMUM MANPOWER TO BE EMPLOYED: The contractor shall be required to employ the One Electrician and One Refrigeration Mechanic [2 Years Certificate holders from recognised ITI / NCT / VT in the relevant trade with 3 Years of relevant experience] per Shift of 08 Hours from 0900 Hours to 1700 Hours and shall report to Office of AGE [E/M] for day to day maintenance and efficient operation of AC Plants. [b] The job includes Preventive / Periodical Maintenance and Annual Comprehensive Maintenance to all AC Plants comprising of Chiller Unit i.e. Descaling of Condenser, Chiller etc. complete AHUs with Electric Motor including Pan type Humidifiers’ of different KW ratings, complete Ducting, Fan Coil Units, Cooling Tower Complete, Hot Water Generator and its Piping Network, Chilled Water Piping, Condensate Piping, Pump and Motor of Chilling Water and Condenser of Cooling Towers, Water Supply Piping, Instrument Starter, Connected Control Cabling / Wiring including Electric Panel and Switchgear all as specified. The contractor shall submit the record of Periodical / Preventive / Annual Maintenance Services carried out along with documentary evidence before claiming payment. [c] The contractor shall carryout the comprehensive maintenance of the AC Plants catered under subject work through the Original Equipment Manufacturer of that AC Plants or from their accredited / authorised agencies only. The lowest bidder shall submit MoU from the Original Equipment Manufacturer of the AC Plants or from their accredited / authorised agencies to provide technical support, trained persons for maintenance & testing and spares before commencement of the work to GE. The spares shall be of the make as per existing or as per the OEM. [d] Supply and fixing of Minor Spares viz. Mechanical / Electrical / Electronic etc. (except Spares catered vide Serial Item No. 2 to 83 of BoQ ) as and when required for trouble free and smooth operation of AC Plants also including overhauling as and when required to all mechanical parts of AC Plants, repair / maintenance of Cooling Towers, AHU, Condensing Units etc. complete all as directed by the Engineer-in-Charge. All the safety measures shall be ensured for serviceable condition round the clock and cost of their spares and consumables etc. shall deemed to be included in the rate quoted. Nothing extra shall be paid extra on these accounts.

[e] Spares required for maintenance of AC Plants other than those catered vide Serial Item No. 2 to 78 of BoQ under this Schedule / BoQ, Consumables such as Grease, Lubricants, Cotton Waste and other connected consumables etc. required for daily operation and routine maintenance. [f] Comprehensive maintenance shall be deemed to be inclusive for repairs/replacement of worn out / defective parts except the spares catered under this Schedule / BoQ. Spare Parts catered vide Serial Item No. 2 to 78 of BoQ under this Schedule as supply only shall be supplied in advance and kept under the custody of the Engineer-in-Charge and shall be issued to the contractor whenever the requirement arises. No AC Plant shall be kept non operational due to non availability of spares. [g] Any defective components and / or any other materials which is not specified / given in Schedule "A", but essential for trouble free and smooth operation of AC Plants. Nothing extra shall be paid extra on this account. [h] Contractor shall rectify the defects within 24 hours as per directed by the Engineer-in-Charge. [i] Contractor shall maintain the Temperature of AC Plant as per the direction of GE / AGE / User or their Representative as per the Design Conditions at all times. [j] Necessary Tools and Plants like Centrifugal Pump 0.5 HP, Vacuum Pump 1 HP and connecting Rubber Tube, Pressure Gauges, Flaring Nuts etc. and Safety Equipment / Tools for tradesman shall be readily available at site during contract period. [k] Periodical cleaning of Cooling Tower, AHU Filters & Chemical servicing of Cooling Tower shall be the Contractor's responsibility. [l] The contractor shall arrange Dry/Wet Bulb Thermometer for recording hourly room temperature. Room Temperature and Humidity Display Unit / Instrument shall be provided at Plant Room for continuous monitoring. [m] On completion of comprehensive maintenance the contractor shall carryout the complete system and controls functional tests before handing over of the plant to department or his successor in presence of user and Engineer-in-Charge. If any components / spares are found defective or unserviceable, the contractor shall replace the same at his own cost in presence of user and Engineer-in-Charge and a certificate to this effect and tests carried out duly signed by the contractor, user and Engineer-in-Charge shall be submitted before claiming the final Bill.

[v] The contractor is responsible for Insurance, EPF, ESI, Gratuity, Bonus, Labour Welfare Cess etc., as applicable and shall be paid to the Workmen as per existing Labour Rules / Acts / Regulations and rate quoted shall be deemed to be included for the same. [w] DRESS CODE: The contractor shall provide the workmen with Dark Blue Colour uniform with labels showing the Name of Firm and the Designation and "GE [U – II] [V]" printed on them along with protective clothing. The contractor shall also provide shoes to the workers and the persons shall not be allowed to enter the work site without wearing shoes. [x] INSURANCE: The contractor shall be responsible for all Accidents / Injuries happening to the workmen. Any accident causing Minor / Fatal Injury, Partial Disability due to any untoward incident or non-adherence to Safety and IE Regulations or fault in maintaining of AC Plants / Safety Mechanism or on account of any mishandling / wrong operation / lack of knowledge of safety precautions or on account of any circumstances beyond his/their control, the contractor shall be solely responsible for settling all claims of compensation to the deceased, failing which department will have a right to recover any sum indicated / claimed by Labour Commissioner / Court authorities. No claim whatsoever will be entertained in this regard. No compensation is payable by the department on this account. Contractor shall provide first aid boxes to meet any emergency situations. [y] The rate quoted by the contractor shall be deemed to be including Basic Rate [Minimum Wages as notified by Government of India / State Government / Local Body, whichever is higher], employer's contribution towards Employees Provident Fund [EPF] liability, contribution towards Employees State Insurance Corporation [ESIC], contribution towards Bonus, Overhead and Profit and Labour Welfare Cess [LWC] as applicable depending upon the manpower requirement. This will create onus on the contractor to ascertain the relevant rates and quote accordingly. The rates quoted shall be inclusive of all Taxes, Cess, Levies as applicable including GST.

Supply only R-22 Refrigerant Gas complete all as specified and as directed.

Supply only Compressor Oil complete all as specified and as directed.

Supply only R-134A / R-410A Refrigerant Gas complete all as specified and as directed.

Supply only R-407A Refrigerant Gas complete all as specified and as directed.

Supply only Nitrogen Gas complete all as specified and as directed.

Supply only Digital Keyboard unit with Microprocessor System suitable for 7.5 TR capacity Central Type Air Cooled Units including testing complete all as specified and as directed.

Supply only Digital Keyboard unit with Microprocessor System suitable for 17 TR capacity Central Type Air Cooled Units including testing complete all as specified and as directed.

Supply only Digital Keyboard unit with Microprocessor System suitable for 28 TR capacity Central Type Air Cooled Units including testing complete all as specified and as directed.

Supply only Digital Keyboard unit with Microprocessor System suitable for 30 TR capacity Central Type Air Cooled Units including testing complete all as specified and as directed.

Supply only Digital Keyboard unit with Microprocessor System suitable for 24 TR capacity Central Type Air Cooled Units including testing complete all as specified and as directed.

Supply only Digital Keyboard unit with Microprocessor System suitable for 135 TR capacity Central Type Air Cooled Units including testing complete all as specified and as directed.

Supply only Blower Fan of AHU as per existing size and make including necessary fixing arrangement complete all as specified and as directed.

Supply only MCCB, 3 Pole, 400 Amps, 50 KA, 440 Volts, 3 Phase, AC, 50 Hz, Adjustable type complete with Overload Protection, no-volt thermal based release complete all as specified and as directed.

Supply only MCCB, 3 Pole, 250 Amps, 36 KA, 440 Volts, 3 Phase, AC, 50 Hz, Adjustable type complete with Overload Protection, no-volt thermal based release complete all as specified and as directed.

Supply only MCCB, 3 Pole, 63 Amps, 16 KA, 440 Volts, 3 Phase, AC, 50 Hz, Adjustable type complete with Overload Protection, no-volt thermal based release complete all as specified and as directed.

Supply only MCCB, 3 Pole, 100 Amps, 25 KA, 440 Volts, 3 Phase, AC, 50 Hz, Adjustable type complete with Overload Protection, no-volt thermal based release complete all as specified and as directed.

Supply only MCCB, 4 Pole, 63 Amps, 25 KA, 440 Volts, 3 Phase, AC, 50 Hz, Adjustable type complete with Overload Protection, no-volt thermal based release complete all as specified and as directed.

Supply only MCCB, 3 Pole, 125 Amps, 25 KA, 440 Volts, 3 Phase, AC, 50 Hz, Adjustable type complete with Overload Protection, no-volt thermal based release complete all as specified and as directed.

Supply only MCB, 32 Amps, TPN, 415 Volts, 10KA, C Series complete all as specified and as directed.

Supply only MCB, 32 Amps, SPN, 240 Volts, 10KA, C Series complete all as specified and as directed.

Supply only MCB, 32 Amps, TP, 415 Volts, 10KA, C Series complete all as specified and as directed.

Supply only Single Phase Preventor, 415 Volts, Type VSP-2 Auto Reset 40 Volts unbalance complete all as specified and as directed.

Supply only ET-100, 9 to 30 Seconds, 240 / 215 Volts complete all as specified and as directed.

Supply only Star Delta Starter suitable 15 to 30HP motor including replacing defective wiring with copper wire, lugs, etc including testing and commissioning complete all as specified and as directed.

Supply only Power Contactor 3 Pole, Coil Voltage 220V, with 2NO+2NC add blocks, 50 HZ, AC, MNX-45 type complete all as specified and as directed.

Supply only Power Contactor 4 Pole, Coil Voltage 220V, with 2NO+2NC add blocks, 50 HZ, AC, MNX-A 1 type complete all as specified and as directed.

Supply only Power Contactor 2 Pole, Coil Voltage 220V, with 2NO+2NC add blocks, 50 HZ, AC, MNX-A 2 type complete all as specified and as directed.

Supply only Unloader Power Element Suitable for compressor of existing model and make complete all as specified and as directed.

Supply only Bellow for CC Valve Suitable for Compressor of existing Model and Make complete all as specified and as directed.

Supply only Loading Solenoid Valve Coil 3 Way complete all as specified and as directed.

Supply only Thermostatic Expansion Valve MIV 34/HVE-11/16/34 suitable for Central AC Plants complete all as specified and as directed.

Supply only Crank Shaft Assembly with Key & Lock Nut Suitable for Compressor Of existing Model and Make complete all as specified and as directed.

Supply only Shaft Seal Assembly suitable for AC Plant of Carrier make compressor complete all as specified and as directed.

Supply only Pressure Cut-Out Switch MP-15 complete all as specified and as directed.

Supply only AHU Runner Assembly Pedestal Bearings of Model No. 6206/6304 complete all as specified and as directed.

Supply only 40mm dia Liquid Line Filters Assembly with Strainers suitable for Central Chilled Water System, Direct Expansion System, Air-Cooled type AC Plants complete all as specified and as directed

Supply only Liquid Line Flare Unit Bracing with Copper Tubes complete all as specified and as directed.

Supply only PVC Fills of size 600x300x150mm suitable for Cooling Tower of 48 TR capacity including taking down old unserviceable PVC Fills complete all as specified and as directed.

Supply only PVC Fills of size 600x300x150mm suitable for Cooling Tower of 56 TR capacity including taking down old unserviceable PVC Fills complete all as specified and as directed.

Supply only PVC Fills of size 600x300x150mm suitable for Cooling Tower of 60 TR capacity including taking down old unserviceable PVC Fills complete all as specified and as directed.

Supply only PVC Fills of size 600x300x150mm with Sprinkler system complete with connected accessories suitable for cooling tower of 135 TR capacity complete all as specified and as directed.

Supply only Capacitor 12.5 MFD as per existing make complete all as specified and as directed.

Supply only Flow Switch as per existing make and model with necessary connections complete all as specified and as directed.

Supply only High Pressure Gauge 500 PSI and Low-Pressure Gauge 150/200 PSI in compressor with all connections and copper tubes complete all as specified and as directed.

Supply only Drier Unit of Moulded Porous Core 5/8 size with both end flare thread type with 2 Nos flare nut complete all as specified and as directed.

Supply only Power Contactor of MNX-9, 25 Amps, 3 Pole with coil voltage of 240Volts, 50 Hz with 1NO + 1NC complete all as specified and as directed.

Supply only Power Contactor of MNX-18, 30 Amps, 3 Pole with coil voltage of 240Volts, 50 Hz with 1NO + 1NC complete all as specified and as directed.

Supply only Power Contactor of MNX-25, 45 Amps, 3 Pole with coil voltage of 240Volts, 50 Hz with 2NO + 2NC complete all as specified and as directed.

Supply only Power Contactor of MNX-32, 55 Amps, 3 Pole with coil voltage of 240Volts, 50 Hz with 2NO + 2NC complete all as specified and as directed.

Supply only Bimetal Overload Relay, type MN, direct mounting / direct operated for the range of 9-15 to 20-33 Amps complete all as specified and as directed.

Supply only Bimetal Overload Relay, type MN, direct mounting / direct operated for the range of 30-50 Amps complete all as specified and as directed.

Supply only Bimetal Overload Relay, type MN, direct mounting / direct operated for the range of 45-75 Amps complete all as specified and as directed.

Supply only Bimetal Overload Relay, type ML, direct mounting / direct operated for the range of 9-14 to 28-42 Amps complete all as specified and as directed.

Supply only Bimetal Overload Relay, type MN, direct mounting / direct operated for the range of 0.2-0.3 to 6-10 Amps complete all as specified and as directed.

Supply only Bimetal Overload Relay, type ML, direct mounting / direct operated for the range of 1.5-2.5 to 10-16 Amps complete all as specified and as directed.

Supply only Bimetal Overload Relay type MU, direct mounting / direct operated for the range of 9-14 to 28-42 Amps complete all as specified and as directed.

Supply only Ammeter 0-30 Amps, Dial type with suitable CTs complete all as specified and as directed.

Supply only Ammeter 0-250 Amps, Dial type with suitable CTs complete all as specified and as directed.

Supply only Voltmeter 0-500 Volts, Dial type with suitable CTs complete all as specified and as directed.

Supply only Neon Indicator Lamps RYB complete all as specified and as directed.

Supply only Y type Strainer 100 mm dia including replacement of filter, packing, nuts and bolts complete all as specified and as directed.

All as per Serial Item No. 62 above but of size 80mm bore complete all as specified and as directed.

Supply only V-Type Belt suitable for power transmission complete all as specified and as directed.

Supply only Micro/Macro Air Filter of Air Handling Unit of Air Conditioner Plant complete all as specified and as directed.

Supply only Normal Opaque Push Button Green with 1 NO Contact Block "START" Type 3SB58 01-7AA3 complete all as specified and as directed.

Supply only Normal Opaque Push Button Red with 1 NO Contact Block "STOP" Type 3SB58 01-7AN3 complete all as specified and as directed.

Supply only Indicator Lamps RYB Set of 3 complete all as specified and as directed.

Supply only Pressure Gauge of Water Ranging from 0 to 300 lbs per Sq.inch complete all as specified and as directed.

Supply only Shell and tube type water cooled chiller of Capacity 30TR Central AC Plant including supply of rusted/damaged pipes of 12.5mm dia, 1mm thick & 1.9m long and fix end to end expanding with new shell complete all as specified and as directed. Note- The cost of S & F of any Nos. tubes required at site shall be deemed to have been included in unit rate quoted.

Supply only Scroll Compressor suitable for 17 TR capacity Air Cooled Package Air Conditioner, Ductable / Split type including repairs / replacement of control wiring, connecting up all controls and refrigerant piping after necessary modifications as required for the system, pressure testing with Nitrogen Gas under constant pressure of 300 PSI for minimum 24 Hours vaccumising, Gas Charging, commissioning and checking the performance of the system complete all as specified and as directed.

Supply only Temperature Sensor of any capacity complete all as specified and as directed.

Supply only MS Coupling for condensor pump of any capacity complete all as specified and as directed.

Supply only Copper Refrigerant tube of 1/2" Outer Dia minimum 1mm thick for condenser of AC Plants complete all as specified and directed.

Supply only Insulation of Copper pipes of DVRF/Ductable/Package AC Systems complete all as specified and as directed.

Supply only DLT sensor as per plant model and capacity complete all as specified and as directed..

Supply only HRC fuses 6/12/20 Amps rating complete all as specified and as directed.

Supply only HRC fuses 32/63/100 Amps rating complete all as specified and as directed.

Supplying and laying MS ERW Pipe, 80 mm bore, Heavy Grade, conforming to IS – 1239 including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing and taking down existing MS Pipe of any description and in any position complete all as specified and as directed.

Supplying and laying MS ERW Pipe, 100 mm bore, Heavy Grade, conforming to IS – 1239 including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing and taking down existing MS Pipe of any description and in any position complete all as specified and as directed.

Supplying and laying MS ERW Pipe, 125 mm bore, Heavy Grade, conforming to IS – 1239 including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing and taking down existing MS Pipe of any description and in any position complete all as specified and as directed.

S & F in repairs Butterfly Valves of Cast Iron, 100 mm dia with counter flanges including all necessary bolts, nuts, necessary cutting, welding and painting the welded portion, flanges etc to match with existing colour scheme complete all as specified and as directed.

S & F in repairs Butterfly Valves of Cast Iron, 80 mm dia with counter flanges including all necessary bolts, nuts, necessary cutting, welding and painting the welded portion, flanges etc to match with existing colour scheme complete all as specified and as directed.

S & F Rotational Moulded Polythene HDPE Water Tanks, Triple Layered, ISI Marked, Cylindrical & Vertical Type 2000 Litres Capacity hoisted and fixed in position including provision of 40mm/25mm dia spouts for connecting inlet, outlet, over flow and washout pipes complete including taking down old tanks and removing to store complete all as specified and as directed.

S & F Rotational Moulded Polythene HDPE Water Tanks, Triple Layered, ISI Marked, Cylindrical & Vertical Type 1000 Litres Capacity hoisted and fixed in position including provision of 40mm/25mm dia spouts for connecting inlet, outlet, over flow and washout pipes complete including taking down old tanks and removing to store complete all as specified and as directed.

S & F Rotational Moulded Polythene HDPE Water Tanks, Triple Layered, ISI Marked, Cylindrical & Vertical Type 5000 Litres Capacity hoisted and fixed in position including provision of 40mm/25mm dia spouts for connecting inlet, outlet, over flow and washout pipes complete including taking down old tanks and removing to store complete all as specified and as directed.

M & L for disconnecting Motor of capacity 3 HP from the existing Compressor / AHU / Chiller / Condenser Pump Set / Cooling Tower, and carrying to work shop and Rewinding the motor with appropriate gauge super enamelled copper conductor, varnishing, drying, replacement of Bearings with new Bearings, worn-out bushes, connectors, terminal plate and fixing back in original position, connecting cable through terminal block, applying Two coats of synthetic enamel paint of approved tint including preparation of surfaces and including testing on completion, complete all as specified and as directed.

All as per Serial Item No. 87 above but of Motor of capacity 5 HP complete all as specified and as directed.

All as per Serial Item No. 87 above but of Motor of capacity 7.5 HP complete all as specified and as directed.

All as per Serial Item No. 87 above but of Motor of capacity 10 HP complete all as specified and as directed.

All as per Serial Item No. 87 above but of Motor of capacity 15 HP complete all as specified and as directed.

All as per Serial Item No. 87 above but of Motor of capacity 20 HP complete all as specified and as directed.

M & L for dismantling Centrifugal / Monoblock Pump coupled with Electric Motor, 3 Phase, 415 Volts for overhauling the pump sets of capacity up to 20 HP and including replacement bearings with new bearings, cleaning with Kerosene / Petrol for removing the scales, replacement of Case Ring, Latern Ring, Shaft Sleeve, CI Gland Covers with MS Studs, Ball Bearings, Coupling Key, Rubber Bush, Nut, Bolts, Impeller Key, Lock Washer, Gasket, Greasing etc., re-assembling same in position, testing and commissioning complete all as specified and as directed.

Material & Labour for Painting to compressor, condensor, compressor motor, Condensor Water Pump, AHU motor and Cooling Tower of AC plant capacity 3 x 24 TR to 3 x 28 TR as per existing colors code with all supporting materials with one coat of synthetic enamel paint from ground level to bottom of the dome complete all as specified and directed. Note :- Special type of tools & tackles, swings, scaffolding and safety accessories etc required for the work shall be arranged by the contractor and rate quoted shall deemed to include for the same.

All as per Serial Item No. 94 above but Cooling Tower of 3x30 TR capacity complete all as specified and as directed.

All as per Serial Item No. 94 above but Cooling Tower of 3x135 TR capacity complete all as specified and as directed.

M & L for two coats of synthetic enamel paint on old painted steel surfaces of any description not other wise described over 10 cm width or girth incuding necessary preparation of surfaces complete all as specified and directed.

Chitturi Associates

SRI SIDDHI VINAYAKA ENTERPRISES

M/s Chandu Lavanya Engineers Contrctors

P VENKATA RAO

ANAND ENTERPRISES AND ENGINEERS

GS ENGINEERS

KRISHNA ENGINEARING