Tender for HVAC upgradation works for IMDC Building, Main Campus at IIMA.

Amount

NOTES:

The Bidder MUST visit the site before submitting Quotation and also carefully examine the conditions in tender document, the specifications, drawings and schedule of quantities. If there should be any ambiguity in or discrepancy between any of these documents kindly refer to the Client/Consultant in writing

VRF OEM should confirm suitability of their equipment for long refrigerant piping length required for the Project, without equipment failure or excessive de-rating. Any modification of design or enhancement of equipment capacity or refrigerant piping should be included in quoted price

In case of difference between Specifications & BOQ, BOQ shall prevail. Bidders should ask Client for clarity/confirmation if required

Qty. of VRF refrigerant piping, headers, fittings, etc. are to be estimated by the Bidder from the layout drawing issued with Tender. Quote the same on "LOT" Basis only, NOT on variable basis

Quantity-limit or unit rate should not be given by tenderers where quantity is mentioned as 01 Lot, 01 Set or As Required Such items shall be strictly on Lot basis and not on variable or countable basis. For all other items unit rates should be given

No deviation in Specifications or Makes of items shall be allowed for any reason including long delivery period or non-availability in required quantity.

All cables/wiring shall be FRLS. All cabling/wiring should be installed in PVC conduits with ISI-marking, to facilitate replacement in case of any fault in future. Cables on Terrace shall be installed in GI Trays.

HVAC BOQ VARIABLE REFRIGERANT FLOW (VRF / VRV) TYPE AIR CONDITIONING SYSTEM

INDOOR UNIT FOR VRF SYSTEM Including indoor unit, remote control, indoor panel board, electrical wiring between indoor unit & the respective power supply point, all controls, horizontal oscillating louvers (must), vertical oscillating louvers (must), Humidity Mode (must) RA filter, etc. complete as required. In case of non-availability of exact tonnage capacity specified below, quote next higher capacity machine as per mfr. range

2.0 TR Wall Mounted (WM) AC with Cordless Remote

1.5 TR Wall Mounted (WM) AC with Cordless Remote

HIGH COP OUTDOOR UNITS FOR VRF SYSTEM Notes: 1) Name Plate HP of ODU should be equal to or higher than "NAME PLATE RATING" specified below. 2) Actual cooling capacity at 44.44 Deg C ambient and 24 Deg C room temperature, after de-rating effect due to high ambient and longer piping length, should not be less than "CALCULATED TR" (mentioned below and/or in Bases Of Design). 3) Refer Bases Of Design for Capacity of Tonnage and grouping/circuiting of IDUs/ODUs. 4) Minimum COP of VRF ODUs should be 3.5, under Test Conditions 35 DegC Ambient, 27 DegC Room, 5m Piping 5) All outdoor equipment shall be capable of operating up to minimum 50 DegC or higher 6) In case of fault with any IDU/s, it should be possible to bypass the faulty IDU/s without the entire VRF Circuit remaining OFF till the fault is rectified. This should be possible centrally from the ODU itself, or by switching the power supply to all IDUs & ODU off and then back on

VRF Circuit-1: GF Wing A CALCULATED TR: 9.0 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-2: GF Wing A CALCULATED TR: 8.9 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-3: FF Wing A CALCULATED TR: 9.0 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-4: FF Wing A CALCULATED TR: 8.9 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-5: SF Wing A CALCULATED TR: 10.8 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-6: SF Wing A CALCULATED TR: 10.8 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-7: GF Wing B CALCULATED TR: 9.0 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-8: GF Wing B CALCULATED TR: 8.9 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-9: FF Wing B CALCULATED TR: 9.0 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-10: FF Wing B CALCULATED TR: 8.9 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-11: SF Wing B CALCULATED TR: 10.8 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-12: SF Wing B CALCULATED TR: 10.7 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-13: GF Wing C CALCULATED TR: 9.0 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-14: GF Wing C CALCULATED TR: 8.9 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-15: FF Wing C CALCULATED TR: 9.0 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-16: FF Wing C CALCULATED TR: 8.9 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-17: SF Wing C CALCULATED TR: 10.8 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-18: SF Wing C CALCULATED TR: 10.8 TR NAME PLATE RATING: 14 HP OR HIGHER

VRF Circuit-19: GF Wing D CALCULATED TR: 9.0 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-20: GF Wing D CALCULATED TR: 8.9 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-21: FF Wing D CALCULATED TR: 9.0 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-22: FF Wing D CALCULATED TR: 8.9 TR NAME PLATE RATING: 12 HP OR HIGHER

VRF Circuit-23: SF Wing D CALCULATED TR: 10.9 TR NAME PLATE RATING: 16 HP OR HIGHER

VRF Circuit-24: SF Wing D CALCULATED TR: 10.8 TR NAME PLATE RATING: 16 HP OR HIGHER

OEM APPROVED FACTORY-SUPPLIED INSULATED REF JOINTS/Y-JOINTS, SPLITTERS, ACCESSORIES, ETC

FOR VRF CIRCUIT 1 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 2 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 3 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 4 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 5 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 6 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 7 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 8 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 9 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 10 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 11 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 12 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 13 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 14 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 15 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 16 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 17 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 18 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 19 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 20 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 21 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 22 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 23 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

FOR VRF CIRCUIT 24 Factory Supplied insulated refrigerant joints/Y- joints in Liquid & Suction pipe as per above BOQ item

CENTRAL REMOTE CONTROLLERS FOR ALL ABOVE VRF CIRCUITS (One CRC per Wing) Including control cabling from all IDU/ODU Common Centralised Control System for the VRF A/C System of the entire building. Minimum Capabilities: Size of CRC should be min 10" touch screen Monitoring & control of temperature of each Area ON/OFF control for each Area Weekly scheduling for each Area Overriding of control function of individual control units Scheduling & hitstorical data storage of conditions as per requirement LCD Display Panel Control of all ODUs, IDUs. (Rate to include control cabling between CRC and all IDU/ODUs as required) LOCATION OF EACH CRC: In Admin/Reception Area (OEM to visit site and check cable length and feasibility as per site condition). Exact loction will be decided by Client during execution *In case the no. IDUs / ODUs is beyond the capability of a single CRC, then the rate quoted here should include cost of add-on modules / multiple CRCs / cabling. Note: BMS Compatibility required

INTERFACE BETWEEN VRF AND IBMS SYSTEM BACnet gateway with required control cabling up to Central (Building) BMS with suitable software and accessories. Necessary integrator, convertor, software, hardware, licenses etc. as applicable for the VRF to interact and control by Central BMS. Necessary protocol for connecting with MODBUS/BACNET/LONWORKS etc. to be included. Tentative Location: In Admin/Reception Area (OEM to visit site and check cable length and feasibility as per site condition). Exact loction will be decided by Client during execution

INSULATED REFRIGERANT PIPES, SPLITTERS, ACCESSORIES, PIPE FITTINGS, GAS CHARGING, ELECTRICAL WIRING (BETWEEN IDUs & ODUs), ETC

Set of refrigerant pipes, pipe fittings, splitters, R-410A Gas Charging, GI angles/flats Modular Pipe supports, accessories, electrical wiring between indoor & outdoor units, minimum 19mm thick Class O Nitrile Rubber insulation for entire piping system. Entire Refirgerant piping should be insulated with factory laminated 200 GSM glass cloth for mechanical protection, and manufacturer recommended adhesive (solvent-free) sealant applied at all joints. * Exposed Refrigerant piping on terrace shall be installed on raised GI pipe tray and finally covered with 26G GI sheet perforated cover for protection as shown in the tender drawings. Rates should include the same. Refrigerant piping in Vertical building shaft shall be installed on proper GI Clamp and finally covered with 26 G GI sheet perforated cover for protection. Rates should include the same. UV-protection layer / GC must be applied immediately on installation of pipes without waiting for total completion, to prevent deterioration of insulation due to sun-light. Additional layer of UV paint over GC for all exposed to atmosphere piping for weather protection of pipes & insulation and prevention of rain water ingress. Piping rate should include pressure testing, vacuumising and initial & final charging of R-410A refrigerant gas with required top-up quantity as per actual piping length and operating / commissioning parameters. Pressure testing shall be carried out thrice: on completion of piping work, on installation & connection of Indoor Units, and on installation & connection of Outdoor Units. Installation of Pipes+Cables should be done as per mock up approved by Client/Consultant All cabling/wiring should be installed in ISI-marked PVC conduits to facilitate replacement in case of any fault in future.

FOR VRF CIRCUIT-1

FOR VRF CIRCUIT-2

FOR VRF CIRCUIT-3

FOR VRF CIRCUIT-4

FOR VRF CIRCUIT-5

FOR VRF CIRCUIT-6

FOR VRF CIRCUIT-7

FOR VRF CIRCUIT-8

FOR VRF CIRCUIT-9

FOR VRF CIRCUIT-10

FOR VRF CIRCUIT-11

FOR VRF CIRCUIT-12

FOR VRF CIRCUIT-13

FOR VRF CIRCUIT-14

FOR VRF CIRCUIT-15

FOR VRF CIRCUIT-16

FOR VRF CIRCUIT-17

FOR VRF CIRCUIT-18

FOR VRF CIRCUIT-19

FOR VRF CIRCUIT-20

FOR VRF CIRCUIT-21

FOR VRF CIRCUIT-22

FOR VRF CIRCUIT-23

FOR VRF CIRCUIT-24

BIG FOOT MOUNT STANDS FOR VRF ODUS ODU stand strength & installation should be capable to withstand 180km/Hr wind. (Indicative Picture)

FOR VRF CIRCUIT-1

FOR VRF CIRCUIT-2

FOR VRF CIRCUIT-3

FOR VRF CIRCUIT-4

FOR VRF CIRCUIT-5

FOR VRF CIRCUIT-6

FOR VRF CIRCUIT-7

FOR VRF CIRCUIT-8

FOR VRF CIRCUIT-9

FOR VRF CIRCUIT-10

FOR VRF CIRCUIT-11

FOR VRF CIRCUIT-12

FOR VRF CIRCUIT-13

FOR VRF CIRCUIT-14

FOR VRF CIRCUIT-15

FOR VRF CIRCUIT-16

FOR VRF CIRCUIT-17

FOR VRF CIRCUIT-18

FOR VRF CIRCUIT-19

FOR VRF CIRCUIT-20

FOR VRF CIRCUIT-21

FOR VRF CIRCUIT-22

FOR VRF CIRCUIT-23

FOR VRF CIRCUIT-24

CONDENSATE DRAIN PIPING

20/25mm dia 10 kg/sqcm CPVC drain pipe insulated with 8mm Class O Nitrile Rubber insulation with factory laminated GC; from each AC IDU to the nearest drain header. Provide U traps in drain pipe to prevent suction of air by IDU (where applicable) Drain Pipe should have min. 1:100 slope

50mm dia 10 kg/sqcm vertical CPVC drain header in building shaft, insulated with 8mm Class O Nitrile Rubber insulation with factory laminated GC. Provide U traps in drain pipe to prevent suction of air by IDU (where applicable) Drain Pipe should have min. 1:100 slope

MISCELLENEOUS CIVIL WORK Workmanship should be neat and clean. If it spoils the wall with stains of water or any other damage or spoiling, the contractor must repair, make good and/or paint the wall patch.

Core cutting up to 150mm Dia for AC pipes, in brick masonry wall of 230 mm thickness. In wall between room & toilet .

Core cutting up to 150mm Dia for AC pipes, in RCC wall of 230 mm thickness.

Core cutting up to 25mm Dia for Electrical Cable, in brick masonry wall of 230 mm thickness. In wall between room & Pasaage.

Closing, sealing and finishing of the above mentioned opening in wall between room & toilet and toilet & shaft

Wall chasing (zari) in wall for elctrical wire and finishing of it, to same finish & colour as per existing

PAINTING & IDENTIFICATION TAGS Painting on the HVAC piping, Tray/supports, etc; and identification tags for VRF ODUs and Circuit-wise Piping etc.

MOCKUP of one Standard Room and one Suite, for Client's approval Preparation of complete mock-up including IDUs, refrigerant & drain piping inside room including pelmet, vertical piping of one floor height in existing shaft, core cuts, finishing, pelmet, electrical work, tubelight shifting, wiring, etc for the client's approval * Two Mockups (One Standard Room and one Suite consisting of Bed Room & Living Room) with AC, Electrical, pelmet and finishing to be prepared by contractor during execution for approval by IIMA. *Drain Pipe should have min. 1:100 slope

Moving of furniture at the time of installation and re-arranging it without damages, Cleaning of Room everyday and after completion of the work. There should be no damage to existing furniture, fixture, room finishes, paint, etc. In case of damage it should be repaired & rectified to the satisfscation of the Client (without extra cost to the Client)

Buyback of existing Window ACs Including dismounting, dismantling and removing from the premises. (Quote rate in minus)

COMPREHENSIVE MAINTANANCE CONTRACT (CMC) OF COMPLETE HVAC OF THIS TENDER; AFTER COMPLETION OF 1 YEAR DLP NOTES: * CMC QUOTATION MUST BE SIGNED/COUNTER SIGNED BY OEM AND AUTHORISED DEALERS. * CMC rates shall include BOQ of HVAC, *CMC for each complete Block shall start after completion of 1 year guarantee period (DLP). DLP shall start after commissioning and handover of each complete Block. * 2nd Year CMC will be award based on the satisfactory perfomance and based upon the IIMA requirments.

CMC for 1st Year

CMC for 2nd Year

INTERIOR BOQ

Remove existing window AC and the surrounding plywood frame and stack it carefully within the campus as directed by the client

To coceal the pipes and conduits of the indoor AC units, provide and fix pelmet (wooden raceway) measuring 600 high and 200 wide, with rear supports and top and bottom members of 18mm BWP and front of 12mm BWP. The front panel of the raceway shall be fixed except for a 2 feet long portion which shall have top SS hung hinges and suitable SS stopper, which can be opened for maintenance and repairs and closed thereafter. The parts of the raceway in contact with walls shall be treated with black japan before fixing to the walls. The external surface shall be laminated using 1mm thick of approved shade and make. The cut surfaces of 12mm plywood shall be covered with 6mm thick teakwood beading and be polished to approved shade. Basic rateof Laminate Rs.540/- sqm. Mode of measurement: Area in elevation.

Providing and fixing 6 mm wired glass (matching with the existing glass) with teakwood beading patti over the door frame to cover the gap created by removal of the window AC. Rate to include polising of beading patti in matching shade (size - 750 mm X 850 mm).

Remove the exhaust fan in the toilet to accommodate the AC conduits, move if necessary and refix and make it operational

ELECTRICAL BOQ

LT Panels / Switchgears / Enclosures

LT Panels

Supply, Installation, testing & commissioning of compartmentalized type powder coated Power & Lighting Distribution Panels as per Drawing, Specification. The unit rate shall include loading/unloading, shifting from site store to the place of installation, assembling the Panel including mounting & wiring of loose parts by manufacturers, interconnection of shipping sections, installation on readymade Cable trench (provied support for panel mounting) or directly on floor, assembling of loose accessories supplied by the manufacturer, wiring & connection of auxiliary circuits, installation, testing & commissioning of all Panel, interlocking with AMF Panel and supply of all necessary hardware. Aligning, levelling, grouting, testing and setting of relays and meters including all hardware.

The panel shall be made of modular type POLYCARBONATE THERMOPLASTIC ENCLOSURES which should be UV resistence in accordance with IEC 61439-1, CLAUSE 10.2.4. Ingress Protection IP65/66, IK08. Colour Code - RAL7035 - GRAY

HVAC Panel

MCB / MCCB / ATS WITH ENCLOUSER

Supply, Installation, testing & commissioning of Three Phase / Single Phase - Thermoplastic outdoor type readymade MCB / MCCB enclosure with TPN, MCB / MCCB as per drawings, specifications & as per the instruction of engineer-in-charge. The unit rate shall include supply & fixing on wall / column, checking of wiring, connection and operation of MCBs and supply of necessary hardware.

63A FP, EL+MCB with outdoor type Thermoplastic Enclosure (Hensel / Neputune / FIBOX) (10kA-300mA) IP65/66

40A FP, EL+MCB with outdoor type Thermoplastic Enclosure (Hensel / Neputune / FIBOX) (10kA-300mA) IP65/66 - GRAPHIC LAB

200A FP-TM MCCB with metal enclosure box.

6A SP MCB

NO-NC type Potential Free Relay with Enclosure to operate AC with Keytag

25A 2 NO Contactor with Enclosure

Power Cabling Work

Medium Voltage Cables

Supply & laying of Aluminum / Copper XLPE insulated medium voltage cables as per the specifications, drawings, instruction of Engineer-in-charge and as per the instruction of the manufacturer. The cable shall be laid in existing Cable tray or in trench or in hume pipe or buried in ground at a depth of 750 mm from finished ground level.The cable route maker shall be provided on entire route of the cable (burried in ground) at every 20 mtr. intervall,at every bend and whenever change of level takes place. All cables shall be provided with Aluminum tag indicating circuit number and size at both the ends. The unit rate shall also include: Supply of cables, Transportation from site store to place of installtion,unpacking the drum and return of drum to the site store. Rate of Excavation, backfilling, sand & bricks should not be included.

3.5.0 Cx 150 sq.mm. Alluminium Armoured cable

4.0 Cx 10 sq.mm. Copper Armoured cable

4.0 Cx 6 sq.mm. Copper Armoured cable

Cable Connections & Terminations

Supply, Connections & Termination of Medium voltage XLPE insulated cables as per the specification & instruction of Engineer-in-charge. The unit rate shall include supply & connection of adequate size single compression type brass cable glands and tinned copper / AL. lugs including cutting/stripping of cable insulation, fixing of cable glands, crimping the lugs, connection of cable armour with earth bar, necessary tools, hardware, PVC insulated tape and all other material required.

3.5.0 Cx 150 sq.mm. Alluminium Armoured cable

4.0 Cx 10 sq.mm. Copper Armoured cable

4.0 Cx 6 sq.mm. Copper Armoured cable

Cable Trays & Fabrication Works

Cable Trays

Supply, Fabrication & installation of readymade Perforated type G.I. cable tray (PRE GI - 120 GSM) as per drawing, specification & instruction of Engineer-in-charge including all materials & hardware. Thickness - 2mm., Height -50 mm, Length - 2.5 mtr. Colour shed to be approved from Client / Architect / Consultants prior to order. all accessories like bends / tee / coupler etc.. will be measured in RMT. Only Cable tray supports shall be considered in fabrication item separately

150 mm wide cable tray with cover

300 mm wide cable tray with cover

Fabrication works :

Supply, Installation, testing & commissioning of fabrication of M.S. Material of standard sizes like ISMC 150, ISMC 125, ISMC 100, ISMC 75, ISMA 65x65x6, ISMA 50x50x6, ISMA 35x35x5, M.S. strips, square/rectangular/circular hollow tube/pipe of approved supplier of client / consultants / architect etc. including Fabrication of cable tray supports, Painting of supports by two coats of red oxide followed by two coats of sprayed enamel paint, Installation of steel supports including using of fasteners, hardware as per drawings, specification, instruction of Engineer-in-charge and as per the instruction of the manufacturer.

Maintenance Free Earthing Works

Supply, installation, testing & commissioning of Maintenance Free earthing as per specification, drawing and as per the instruction of Engineer-in-charge. The unit rate shall include Excavation & backfilling, resistance lowering grounding minerals to increase the overall conductive surface area in order to lower the ohmic value and also to minimize the corrosion process, highly conductive Copper & 300mm x 300mm READY MADE FRP chamber with cover. Contractor to take earth resistance testing reading and submit the earth testing report. Contractor has to mark earth pit number, resistance value and testing done & due date at each and every earthing.

OBO make of UL Listed maintenance free ,Low carbon copper coated earth rod of 3 metre electrode having diameter of 14.2 MM (BODY earthing) & 25 MM (Neutral Earthing) with copper coating thickness of 250micron tested as per IEC 62561-2 & is provided with universal clamp made of SS to connect rod with flat conductor . Earth conductivity enhancing mineral compound shall be of 25 kg/pit tested as per IEC 62561-7,TCLP tested. The above arrangements shall be provided with Heavy duty earth champer of 5000kg load bearing capacity to ensure the safety of earthing system.

The earth electrode shall be made of high tensile low carbon steel circular rods, molecularly bonded copper on the outer surface to conform with the requirements of UL467-2007. SITC of Earthing shall be done only by company technical team and as per company's technical requirements to achieve earth resistance less than 1 ohm. Neutral Earth voltage shall also be measured and shall be less than 2 to 3 volts.

Body earthing

Neutral earthing

25 mm x 3 mm G.I Earthing strip

8 SWG G.I.wire

25 mm x 3 mm Copper Earthing strip

8 SWG Copper wire

Internal Wiring

Supply, Laying & connection of Indoor AC Point wiring with 3 # 1.5 Sq.mm HFFR copper wires in 25mm Dia. MMS PVC conduit in wall / slab / floor from MCB DB to AC point with 6A Plug Point (without switch) & 6A Plug Top. The unit rate shall include rate of Laying & connection of wires & pipes.

Supply, Laying & connection of AC Relay wiring with 2 # 1.5 Sq.mm HFFR copper wires in 25mm Dia. MMS PVC conduit in wall / slab / floor from Key Tag to Relay & Relay to AC point. The unit rate shall include rate of Laying & connection of wires & pipes.

One light point control by Existing 6A Switch with 3 # 1.0 sq.mm HFFR copper flexible wires as an off wiring shall be from Switch board to point. All wiring shall be done in 25 mm dia. PVC conduit with accessories in concealed manner on wall / slab or in floor.

Installation of Tube Light

Dismentaling of existing Tube Light

PRANAM HVAC ENGINEERING PVT LTD