A.C.M.C. of 2 X 120 TR (Voltas Make) AC Plants and low side HVAC system including AHUs, Cooling Tower and Chilled and Condenser water pumps and its piping with accessories, etc. at ATS Complex, Mumbai during 2021-22 to 2022-23.

Amount

Annual Comprehensive Maintenance Contract of 2 X 120 TR Reciprocating AC Plants (Voltas Make No 5 H 120) along with Electrical starter panels i/c replacing of necessary spare parts as & when required, carrying out routine-preventive & breakdown maintenance, monthly servicing, descaling of Condenser lines once in a year etc complete as required as per Special conditions and Schedule of Maintenance. a) First Year

Annual Comprehensive Maintenance Contract of 2 X 120 TR Reciprocating AC Plants (Voltas Make No 5 H 120) along with Electrical starter panels i/c replacing of necessary spare parts as & when required, carrying out routine-preventive & breakdown maintenance, monthly servicing, descaling of Condenser lines once in a year etc complete as required as per Special conditions and Schedule of Maintenance. b) Second Year

Annual Comprehensive Maintenance Contract of Low side of the HVAC system including (i) Air Handling units system containing different capacity of AHU's (total 29 AHUS with total CFM capacity of 349000 CFM), with air distribution ducting system & chilled water distribution piping system & its parts including valves, strainers, Electrical panels, VFD, starter Panels, Cabling, wiring. AHU Motor i/c rewinding, replacement of all type of (Shaft / Blocks) bearings, alignment, fabrication, replacing of necessary spare parts. (ii) Chilled water Pumping system (02 x 50 HP + 03 x 20 HP) and condenser water pumping system (04 x 25 HP) consists of pump motor sets, starter panels, piping with component and other accessories i/c Motor rewinding, pump overhauling, replacement of bearings, panel contactors, bushes, single phase preventers, relays, fuses, timers, TPN/MCBs, connectors, necessary wiring, gland rope, replacing of necessary spare parts, connecting piping with its parts including valves & strainers. (iii) 2 X 500 TR Cooling Tower along with total 04 nos. 10 HP motor and accessories with fan motor sets and VFD starter control panel i/c Motor rewinding, replacement of bearings, fan mechanism over hauling, replacing of necessary spare parts, connecting piping with its parts including valves & strainers. For all above installation it is required to carryout routine-preventive & breakdown maintenance, servicing and repairing etc complete as required as per Special Conditions & Schedule of Maintenance, site requirement and direction of Engineer In charge. a) First Year

Annual Comprehensive Maintenance Contract of Low side of the HVAC system including (i) Air Handling units system containing different capacity of AHU's (total 29 AHUS with total CFM capacity of 349000 CFM), with air distribution ducting system & chilled water distribution piping system & its parts including valves, strainers, Electrical panels, VFD, starter Panels, Cabling, wiring. AHU Motor i/c rewinding, replacement of all type of (Shaft / Blocks) bearings, alignment, fabrication, replacing of necessary spare parts. (ii) Chilled water Pumping system (02 x 50 HP + 03 x 20 HP) and condenser water pumping system (04 x 25 HP) consists of pump motor sets, starter panels, piping with component and other accessories i/c Motor rewinding, pump overhauling, replacement of bearings, panel contactors, bushes, single phase preventers, relays, fuses, timers, TPN/MCBs, connectors, necessary wiring, gland rope, replacing of necessary spare parts, connecting piping with its parts including valves & strainers. (iii) 2 X 500 TR Cooling Tower along with total 04 nos. 10 HP motor and accessories with fan motor sets and VFD starter control panel i/c Motor rewinding, replacement of bearings, fan mechanism over hauling, replacing of necessary spare parts, connecting piping with its parts including valves & strainers. For all above installation it is required to carryout routine-preventive & breakdown maintenance, servicing and repairing etc complete as required as per Special Conditions & Schedule of Maintenance, site requirement and direction of Engineer In charge. b) Second Year

Repairing of the existing fire damper system, work includes required wiring, replacement of the components etc complete as required as per the site condition and direction of the engineer in charge

Repairing of the AHU door interlocking system safety system, including required wiring and switchgears so that AHU get automatic shutdown/cannot operate and AHU inside light shall illuminated during door opening , complete as required to makes per the site conditions and direction of engineer in charge.

Supply installation of the 50mm synthetic type air pre filter, washable type with aluminum side support frame and internal reinforcement bars for providing strengthening. It can be suitable with existing ZECO make AHU and it easily removable type for cleaning/maintenance activities. It shall have the efficiency of 90% down to 10 micron particle size. Complete as requires as per the site conditions and direction of engineer in charge.

AHU Duct cleaning by robotic means with required duct cleaning arms and other associated accessories for proper cleaning and removing of the dust and other accumulated materials in the air conditioning duct of various sizes, robotic cleaning machine shall be such that it cleared removed dust during the process from duct by means of vacuum cleaner or such mechanism. Work also includes, making opening of the duct for entry of robotic cleaner and associated accessories and refixing of the opening made for entry after work with finishing. Duct cleaning shall be carried out in co-ordination with planned shut down available for those areas in coordination with user department and other agencies. Live videography of same shall be shown for before cleaning, during cleaning and after cleaning, recording of the same shall be provided in 3 set of CD/DVD and 1 nos Pen drive. All works shall be carried out as per the site conditions and direction of engineer in charge. ( Electricity will be provided free of cost, However required connection with proper safety gears to be arranged by agency. Agency is advised to visit the site before quotation)

Lifting & Lowering of the 5 HP Pump Motor Set, works includes removing & refitting of GI Pipe & its couplings, dismantling of pump motor set and refixing of the same after service/repair, complete as required as per the site conditions and direction of Engineer in charge.

Rewinding and servicing of the 5 HP bore well pump motor set, work includes to & fro transportation of the pump motor sets from site to work shop and back, replacement of bush & bearing etc, servicing of the pump motor set etc complete as required as per the direction of engineer in charge. (6 month guarantee of the pump motor sets after repair, any defect or problem shall be rectified free of cost including lifting & lowering)

Painting of existing electrical panels, feeder pillar boxes, DB's, and other electrical installations etc with one or more coats of synthetic enamel paint of approved colour by spray painting , including cleaning the rusted area , providing the mask to meters, handles , etc. and writing the required information on panel with paint etc complete as required as per the direction of Engineer in charge. as required.

Provision of multifunction VAF (Voltage, Ampere, Frequency) meter (size 96x96mm, depth 55mm) in the existing panel including supply of meter, appropriate capacity CT and connection wiring, making necessary opening in the existing panel by cutting etc, installation testing & commissioning of meter including SITC of control 2A MCB and its wiring with 2.5 Sq mm FRLS wire with proper tag & ferrules, wire cashing hose, cable tie, any other accessories, parts if any requires, complete testing commissioning as required as per the direction of engineer in charge & site conditions. All materials should be as per the approved make list.

Providing of services for maintaining & updating of technical documents, reports, registers including typing of estimates, letters on computers and other documentation & clerical works on day to day basis by engaging of 01 no. Computer Operator (shall have graduation with minimum of two years of work experience with sound computer skills specifically in MS office) in Engineering Electrical Department at ATS complex as specified in the Special condition of contract and as per the direction of Engineer in charge & his authorized representative on all days excluding Sundays & gazetted holidays. (Payment shall be made as per the Minimum wages as decide by the Government authorities from time to time, As on date rates of Minimum wages per day is Rs.853/- , any difference in the in the minimum wages as circulated by Government authorities from time to time shall have to be complied by agency. Payment for difference of wages will be made as per actual. In addition to the normal wages an extra allowance of Rs.2000/- per month needs to be paid to the computer operator.

Carrying out the works for items covered in Delhi Schedule of Rates (DSR Electrical) 2018 (E&M) published by CPWD as per General Specification for HVAC works 2004 and other specification of electrical works with amendments as on date for an amount of Rs. 5,00,000.00 as required. Agency should be mentioned % above or below of the rates of DSR 2018 in Rate column. NOTE: EXAMPLE FOR QUOTING RATES BELOW 5% OF DSR ITEM RATES, CONTRACTOR SHOULD QUOTE 0.95 IN RATE COLUMN AND FOR QUOTING RATES ABOVE 5% OF DSR ITEM RATES, CONTRACTOR SHOULD QUOTE 1.05 IN RATE COLUMN.

AIRTEK HVAC LLP

Zamzam Refrigeration and airconditioning