Construction of 100 bedded Critical Care Block (CCB) at Howrah District Hospital, Howrah --- SITC of AC Machine.

Supplying, installation, testing and commissioning of following capacity Air-Cooled Screw Chiller package complete with VFD (Variable Frequency Drive),hermetic/semi hermetic, Mono/multiple screw type compressor each with step less capacity control of 25 % to 100 % of the rated capacity, with microprocessor based control panel, motor, starter panel (VFD), machine mounted, air- cooled condensers with Copper tube and Aluminium fins, factory fitted chiller insulation, water flow switch , vibration spring Isolators, victaulic couplings, integral refrigerant piping and wiring with multiple circuits, automatic and safety controls mounted in central console panel and all mounted on a steel frame (complete as per specifications) i/c suitable foundation/mounting structure made of RCC/MS Structure i/c anticorosive paint, anti vibration pad, power control cable and connection inter connection etc. as per design approved by engineer-incharge. Motor shall be suitable for 415±10% 50 cycles. 3 phase AC supply. Refrigerant gas used shall be R-134a. The chiller shall be Building Management System (BMS) compatible The system shall be in confirmation to IS : 16590 as amended upto date. BEE Star labeling as amended upto date and tested as per IS 16590. --- 3 nos. x 160 TR [2 Nos. (Working) + 1 No. (Standby)] = 480 TR.

1. Minimum Cooling Capacity : 160 TR Screw BEE rated 4 star - (Actual Capacity @ following Design Conditions)

2. Type of Refrigerant : R-134A

3. Chilled Water 'In' : 12 Deg C

4. Chilled Water 'Out': 7 Deg. C

5. Chiller Fouling Factor : 0.0001 (FPS)

6. The electrical panel should be IP55 protected (As per OEM Satndard)

7. Air Entering Temp. to the Condenser : As per Site Dry Bulb Temperature.

8. Minimum IKW/TR should be less than equal to 1.46 at design condition (Including Fan Power)

9. Minimum COP at AHRI Condition not less than 3 & IPLV Minm 3.70 at AHRI conditions as per ECBC Plus gudiline.

10. EVAP Pressure drop not more than 0.5 Kg./Cm. Sq.

(Make : Daikin / Climaveneta/ Kirloskar/ Carrier/ Bluestar/ Voltas/ Johnson Control/ Mitsubishi / Clivet)

Design, Supply, Installation,Testing & Commissioning of HVAC Electrical Panel for Compressors & water pumps, Starters. Customer will provide Single Point Electrical Power Source to HVAC Panel accordingly. The Panel should have i) Incomer: One (1) number 800 A ACB , ii) 4 nos 1000 Amp Cu Busber and ii) Outgoing: Four (4) nos. 415 A SFU and four (4) nos. 63 A SFU for Chiller and Pump unit (having electrical interlocking between Chiller & pump). [Manufacturer/ Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of this item has to approved by EIC before making of it mentioning all major technical details with specification and Make of each and individual part. (Make of Legrand/ABB/ Schneider/ Siemens)

CHILLED WATER PUMP Supply, erection, testing & commissioning of Chilled water duty, end suction back pull out type centrifugal pumpset at (having Bronze/CI Impeller) with TEFC, IP 55, Class F insulated Sq. cage induction motor (IE2), complete with common base frame, spring vibration isolators, coupling and coupling guard for the following duty & including items as specified below : (Make - Kirloskar/ Grundfoss/ xylem/ Armstrong/ KSB)

Rated Flow 430 USGPM or higher, Head 35M (2 Nos. Working +1 No. StandBy

FLOOR MOUNTED TYPE AIR HANDLING UNITS SITC of following Floor Mounted Modular Construction Double Skinned Air Handling Units (65 mm S.P.)with recommended Fresh Air arrangement each consisting of the following and having 25mm thick PUF insulated extruded Aluminium section frame construction: a) Fan Section backward / forward curve. The AHU shall consist of 1 no. Centrifugal Blower with 2 nos TEFC Squirell cage induction motor(1W+1S) b) 6 Rows deep Coil (0.41 mm thick) with washable Pre filters with efficiency 90% down to 10 microns. (EU-4/MERV7) c) Set of Microvee Fine Filters with efficiency of 95% down to 5 Microns.(MERV-14)(Make : FMI/Spectrum / Thermi) d) TEFC sq,Cage Induction Motor (IE2). e) SS Drain Pan. The AHU shall be complete with VFD.The VFD shall be of IP20 rating. f) Inner skin - 0.63 mm thick plain GI sheet g) outer skin - 0.63 mm thick pre coated GI sheet (Make - EdgeTech/ Zeco/ VTS/Climcone/Systemair)

Cooling capacity - 17000 CFM, 65 mm static pressure (For 1st Floor LDR, MATERNITY WARD, SCREENING, DIALYSIS)

Cooling capacity - 13000 CFM, 65 mm static pressure (For 4th floor HDU & 5th Floor ICU)

Cooling capacity - 12000 CFM, 65 mm static pressure (For Gr. Floor RED, YELLOW & GREEN ZONE, USG, PLASTER ROOM, BUFFER SPACE INJECTION ROOM)

Cooling capacity - 11000 CFM, 65 mm static pressure (For 2nd Floor ISOLATION WARD)

Cooling capacity - 9000 CFM, 65 mm static pressure (For 6th Floor POST-OP, DOFFING, CLEAN STORE, COUNSELING, CHANGE ROOM)

Cooling capacity - 8000 CFM, 65 mm static pressure (For 3rd Floor COUNSELING ROOM, PROCEDURE ROOM, NS, CORRIDOR)

CEILING SUSPENDED AIR HANDLING UNITS Supply, Installation, testing and commissioning of Factory built ceiling suspended chilled water double skin type horizontal/vertical air handling units of following capacity, made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8mm outside layer and 0.8 mm inside layer with Polyurethane Foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section withblower suitable for static pressure as required, minimum 2 bend PVC eliminators, cooling coil section with aluminum finned copper tubes (tubes thickness not less than 0.5mm) cooling coil of 4 row deep, filter section with 50mm thick metal viscous/ washable synthetic type air prefilters, belt drive package with Totally Enclosed Fan Cooled (TEFC) drive motor of efficiency class IE3 suitable for 415 ± 10% volts, 50Hz, 3 Phase AC supply suitably designed for Variable Frequency Drive (VFD) applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.)and industrial type thermometers (2 nos.) and industrial type thermometers (2 nos.) at the inlet and outlet of coil, auto purge valve wherever required, necessary vibration Isolation arrangement, noise level shall not exceed 70 dBA. AHU shall be AHRI/Eurovent certified, fan shall be AMCAcertified etc. Complete as per PWD specification/drawings and as directed by Engineer-in-Charge. (Total static pressure considered is max. 50 mm WC) (Make - EdgeTech/ Zeco/ VTS/ Climcone/Systemair)

Cooling capacity - 4000 CFM, 50 mm static pressure (For 2nd Floor COUNSELING ROOM, THERAPEUTIC DIET, PROCEDURE ROOM, CHANGE ROOM)

Cooling capacity - 3000 CFM, 50 mm static pressure (For 4th Floor COUNSELING ROOM, PROCEDURE ROOM & 5th Floor COUNSELING ROOM, PROCEDURE ROOM, CHANGE ROOM)

FLOOR MOUNTED TYPE AIR HANDLING UNITS SITC of following Floor Mounted Modular Construction Double Skinned Air Handling Units (125 mm S.P.)with recommended Fresh Air arrangement each consisting of the following and having 40 mm thick PUF insulated extruded Aluminium section frame construction: a) Fan Section backward / forward curve. The AHU shall consist of 1 no. Centrifugal Blower with 2 nos TEFC Squirell cage induction motor(1W+1S) b) 8 Rows deep Coil (0.41 mm thick) with washable Pre filters with efficiency 90% down to 10 microns. (EU-4/MERV7) c) Mixing Chamber with return air and fresh air dampers d) Set of Microvee Fine Filters with efficiency of 95% down to 5 Microns.(MERV-14)(Make : FMI/Spectrum / Thermi) e) TEFC sq,Cage Induction Motor (IE2). f) SS Drain Pan. g)The AHU shall be complete with VFD.The VFD shall be of IP20 rating. h) Inner skin - 0.63 mm thick plain GI sheet i) outer skin - 0.63 mm thick precoated GI sheet j)supply and fixing of UVGI. k)Thermal Break profile (Make - EdgeTech/ Zeco/ VTS/ Climcone/Systemair)

Cooling capacity - 3000 CFM, 125 mm static pressure (For 6th Floor OT-1 & 2)

SITC of Aluminium laminar bench with perforated sheet cover to accommodate inside HEPA filter bank along with necessary support as per standard of minimum 6 ft X 8ft dimension for OT Area as per approved drawing necessary flange joints of air duct shall have to be fixed with sealant adhesive to prevent leakage. (Make : Spectrum / Priyanka / AAF)

SITC of Cabinet inline Fan shall be of DIDW, forward/ backward curved centrifugal impeller fitted with maintenance free external rotor motor, belt / direct drive type. Impeller material shall be Galvanized Steel. Motor shall be suitable for external power supply 200~220V/50Hz/Single Phase. (Make : Elta / Kruger / Nicotra)

500 CFM, 20MM Static for OT Exhaust

Supplying, installation, testing and commissioning of Chilled Water Ceiling Suspended Hydronic Cassette type fan coil unit, four(4) way directional flow, low noise, each complete with two(2) rows of deep chilledwater cooling coil, multi-blade centrifugal fan, test reports from National Accreditation Board for Testing and Calibration Laboratories (NABL)/AHRI accerdited lab, electronic air cleaning system, required set of ball valves with & without strainers & 2 way Motorized valve, insulated condensate drain pans with drain pump assembly & drain pump failure alarm, pipe connections through copper pipes, Infra-red remote control, Liquid Crystal Display (LCD), four (4) speedmotor , fan four(4) direction air flow, auto swing louver,decorative panel etc., condensation drain connections, All units shall be suitable for 220 +/- 10% Volts, 50 Hz,single phase power supply etc. complete as per specification. The wireless Remote temperature control / thermostat shall have memory back up for set point re-store in case of power failure and re-start. Four(4)hanger rods with required anchoring fasteners,hooks, washers etc.complete as per CPWD specification and as directed by Engineer-in-charge (Make - EdgeTech/ Zeco/ VTS /Climcone /Caryaire)

3.5 TR (1400 CFM)

2.5 TR (1000 CFM)

2.0 TR (800 CFM)

1.5 TR (600 CFM)

Supply, erection, testing & commissioning of 2000 litre capacity PVC double-layer expansion / cushion tank, insulated with cover of thermocol, sand, cement plaster as per chilled water piping (Make - Syntex/ Patton/ Supreme), provision of make up water inlet, overflow outlet, Air release vent, etc.

Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 kg/cum density resin bonded fiber glass or 144 Kg/ cum density mineral wool (non Combustible) pipe section insulation covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints and repairing of damage to building etc. as per specifications and as requireds.) Note: The Pipes of sizes 150mm & below shall be M.S. 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S.Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above (Make - Tata/ Jindal/ SAIL) (Insulation Make : Astha /Polymer/ Beardsell)

200mm NB(Insulation 75 mm thick)

150mm NB (Insulation 50 mm thick)

125mm NB (Insulation 50 mm thick)

100mm NB (Insulation 50 mm thick)

80 mm NB (Insulation 50 mm thick)

65 mm NB (Insulation 50 mm thick)

50 mm NB (Insulation 50 mm thick)

40 mm NB (Insulation 50 mm thick)

32mm NB (Insulation 50 mm thick)

25mm NB (Insulation 50 mm thick)

BUTTERFLY VALVE SITC of Butterfly valve (Manual) with C.I. body SS Disc, Nitrile Rubber seal & O-Ring PN-16 pressure rating for chilled water/hot water circulation including insulation as specified. (Make - Honeywell/ Advance/ audco/ zoloto/sant)

50 mm dia.

65 mm dia.

80 mm dia.

125 mm dia.

150 mm dia.

200 mm dia.

BALL VALVE S & F of Ball Valve (Make - Honeywell/ Advance/ audco/ zoloto /sant)

25 mm dia for Drain

NON-RETURN VALVE SITC of Non - Return Valve with duel plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled/hot water circulation including insulation as specified. (Make - Honeywell/ Advance/ audco/ zoloto/sant)

125 mm dia

Y-STRAINER SITC of Y-Strainer of Ductile CI body flange ends with Stainless Steel strainer for chilled/hot water circulation including insulation as specified. (Make - Honeywell/ Advance/ audco/ zoloto/sant/DS Engg.)

125 mm dia

BALANCING VALVE SITC of Balancing valve with built in measuring facility with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled/hot water circulation as specified. (Make - Honeywell/ Advance/ audco/ zoloto/sant)

50 mm dia

65 mm dia

80 mm dia

125 mm dia

50 mm dia

65 mm dia

80 mm dia

S&F of Rubber Bellow Expansion Joints (Make -Cori / Resistoflex / Easyflex)

125 mm dia Pipe

S & F of Auto Air Vent with Ball Valve (Make - Honeywell/ Advance/ audco/ zoloto/sant)

S & F of water Flow Switch (Make : Honeywell)

DIAL TYPE PRESSURE GAUGE S & F of the following Water line PRESSURE GAUGE as per following categories, sizes and quantities complete with providing flanges, nut-bolts, gasket and welding arrangements. Bourden type pressure gauges of 100mm dial of suitable range shall be provided.The water pressure gauge shall be made of stainless steel grade SS304. All the pressure gauges shall be complete with ball valves & SS Siphon and confirming to IS:3624. (Make - HGURU/ AWAREE/ Equivalent)

DIAL TYPE THERMOMETER S & F of the following Water line INDUSTRIAL TYPE THERMOMETER, as per following categories, sizes and quantities complete with providing all fixing accessories.(Make - HGURU/ AWAREE/ Equivalent)

Supply and Laying of Rigid PVC Drain Pipe (Medium Class)with respective fittings ,proper supports at 5 feet interval and duly insulated with 6 mm thick closed cell nitrile rubber insulation. (Make : Oriplast/ Supreme/ Filolex/ Ashirbad/ Astral)

Supply & fixing of Powder coated extruded Alluminium supply/return air grilles without volume control dampers. (Make : Premier/ Systemair/ Air master / Caryaire / Cosmos)

Supply & fixing of GI Coller Damper (Make : Premier/ Systemair/ Air master / Caryaire/ Cosmos)

Supply & fixing of Powder coated extruded Alluminium return air diffuser without volume control dampers. (Make : Premier/ Systemair/ Air master / Caryaire/ Cosmos)

Supply & fixing of powder coated extruded Alluminium Supply air diffuser with volume control damper. (Make : Premier/ Systemair/ Air master / Caryaire/ Cosmos)

Supply, installation, testing and commissioning of Opposed blade GI Duct Damper of 18 G GI sheet and frame. (Make : Premier/ Systemair/ Air master / Caryaire/ Cosmos)

Supply, installation, testing and commissioning of Fire Dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per spefications (Make-Greenheck/Systemair/Air master/Caryaire/ Cosmos)

Fire Damper

Actuator

Supplying, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/ round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, bends, transitions, reducers, end caps, collars etc as required complete in all respect in confirmation with IS : 655 and approved drawings and specifications of following sheet thickness complete as required. (Make - Sail/Jindal/Tata)

Thickness 0.63 mm sheet

Thickness 0.80 mm sheet

Thickness 1.00 mm sheet

SITC of AL Duct of for supply/ return air duct along with necessary supports, flanges etc. as required and as per IS standards of following gauges. For OT Only.(Make : Hindalco)

22 SWG thick

Supplying and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glasswool having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminium sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound in confirmation to SMACNA/IS and as per specifications complete etc. as required (Make-Accroflex/ K-flex/Armacell).

DUCT THREMAL INSULATION Supplying and fixing of 25 mm thickness duly laminated aluminium foil of mat finish closed cell Nitrile rubber (Class "O") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation completeas per specifications and as required.(Make-Armacell/K-flex /Aeroflex)

Supply and fixing of Insulation for external ducting (OT) 75mm thick TF quality expanded polyesterent slab having density of 16Kg/CuM covered with vaporbarrier with chicken wireness and finished with 12mm sand cement plaster. (Make-Astha Polymer/ Beardsell)

Supply & Fixing of underdeck insulation with 50mm thick, 32 Kg/Cu Mtr. TF quality Expanded polysterene slab(Make-Astha Polymer/ Beardsell)

Supply of suitable Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make : Havells/ Gloster/ Polycab/ RR Kabel]

4 Core 300 Sq. mm

4 Core 16 Sq. mm

4 Core 10 Sq. mm

Laying of 4 Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables following size cable on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy., mending good damages and painting.[ Make Gloster /Polycab /Havells] [2e / F- 1 ]

4 Core 300 Sq. mm

4 Core 16 Sq. mm

4 Core 10 Sq. mm

Laying of cable as below, on existing Cable Tray and binding with suitable size GI wire.[F- 3/6(i)]

4 Core 300 Sq. mm

4 Core 16 Sq. mm

4 Core 10 Sq. mm

Supplying and fixing compression type gland complete with brass gland,brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below[7(c)/F4 ]

4 Core 300 Sq. mm

4 Core 16 Sq. mm

4 Core 10 Sq. mm

Supplying and Finishing of the XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc. [ 8(b) /F5]

4 Core 300 Sq. mm

4 Core 16 Sq. mm

4 Core 10 Sq. mm

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support. [ 34(a) /D4] (i) With 25x25x3mm angle iron support

100x50x1.25mm (18SWG)

200x50x1.25mm (18SWG)

300x50x1.25mm (18SWG)

S & Laying of 1.1 KV Grade PVC/ XLPE insulated, PVC sheathed cable, copper unmoured control cable incl. to laid on wall surface by suitable clamping, proper glanding & finishing the cable ends with solderless sockets for following cables(Make - Gloster/Polycab /RR Kabel /Havells)

7 Core 2.5 Sq. Sq.mm XLPE round copper Cable

3 Core 2.5 Sq. Sq.mm XLPE copper Cable

SITC of wall mounted AHU Electric control panel, having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 25 x 25 x 5 mm MS )angle.The panel is to be properly gasketed to prevent the dust & vermin. The panel consist of following accessories.

i)63A FP MCB- 1No. (LK/ABB/Siemens) As incomer Bus Bar: 100 A Aluminium Bus bar -1 Set Out Going: i)63A FP MCB- 1No. (LK/ABB/Siemens) ii) 6 A SP MCB -1No. (LK/ABB/Siemens) iii) DOL Starter-1No. (LK/ABB/Siemens) iv) 4Pole Power contactor-1 No. (LK/ABB/Siemens) v) On delay timer-1no. (LK/ABB/Siemens) vi) ON/OFF Push Button- 1 Set (LK/ABB/Siemens) vii) LED indicationg Lamp ON/OFF-1Set

Charges for cutting wall/floor for entry of different sizes duck & pipe lines including mending good the damages including painting with wall matching colour and removal of rubbish as per direction of EIC.

GENERAL CONSTRUCTION: Supply and installation of L.T. cubical type fully compartmentalized distribution panel board, having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 50 x 50 x 6 mm angle and each vertical compartment with 40 x 40x6 mm MS angle iron).The base of panel should be made with 75mm x 40mm x 4.4 mm M.S. channel. (Main LT panel comprised of One no. 250 A TPN SFU as incomer . [Manufacturer/Fabricator having Test Certificates from CPRI].

All incoming & outgoing switches are to be housed in respective compartments hinged and gasket doors at the front. All doors should have panel locking arrangement in such a fashion that it can not be on unless the feeder remains in off position. The rear panel should gasketed wire net guard for ventilation arrangement will be made of easy accessibility to each compartment by providing rear panel doors with locking system . The panel is to be properly gasketed to prevent the dust & vermin. All vertical bus bar chambers is to properly arrange and all electrical equipments are to be fixed by nuts and bolts on suitable Hylam board / porcelain insulators of adequate size and dimension. The outgoing feeder connection from respective switches are to be made at rear side of panel by means of busbar, copper multi core cables, to be terminated on bolted type terminals for cable connection or on bush insulators for bus bar connection. Each compartment will be providing with DMC/FRP board at back side. [Make: ABB/ Legrand/ LK/ Siemens/Schneider Make, All the other accessories will be Legrand /Siemens/L&T Make ].

INCOMER: 1) 415 V, 250A TPN SFU with 3 nos DIN type HRC Fuse- 1 Set(Make: LK /Siemens/ABB/Schneider/Legrand)

BUSBAR: S&F of 315 Amp capacity Copper(Certificate should be produced by manufacturer) with multicolor heat shrinkable PVC sleeve 4 Bar Bus Bar of required length mounted on non-hygroscopic porcelain insulator having sufficient di-electric strengthduly insulatedbymulticolor (Red, Yellow, Blue & black) heat shrinkable PVC sleeve for phases & neutral identification. All interconnection/ branches should be made with required size cu bars (Cu-bar Extensions of required shape and current carrying capacity may have to be provided at terminals of ACB as per direction of EIC.) Complete Set ------ 1 Sets.

OUTGOING :

415 V, 63A TPN SFU with 3 nos DIN type HRC Fuse ----- 10 Set (Make: LK/Siemens/ABB/Schneider/Legrand)

Accessories: i) Digital Multifunction Meter (class 0.5) with RTC & RS 485 port, capable of display of Current, Volt, KWH, PF, MD with date & time stamp etc. [ Make : LK/ Legrand /ABB/Schneider/ Siemens] -------------- 1 set. ii) CT's for metering; CL:0.5, 650/5A, 5VA, tape wound (Make- Kappa) for all three phases. --------- 3 Sets iii) 6A 10KA SP MCB-------- 3nos iv) E.I. Danger Board of suitable size ------- 1 no. v) LED indicator Lamp (R,Y,B)- 2 Set

Interconnection :

All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned Aluminium bars or equivalent flexible pvc insulated multistranded single core Al. cable and the same between busbar to all outgoing mains and also for metering arrangements are to be made by suitable size of Copper wire with proper socketing of the end of each wire leads.

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below(For Morrum Soil: ISI-Medium GI pipe) [G-1/2a]

Excavation of soil for installation of Earth Electrode and filling & ramming. (Soft Soil) [G-1/1a]

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.[G-2/5d]

Connecting the equipments to earth busbar including S & F 7/14 SWG GI Standard (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.[G-2/5b]

Preparation & submission of a Chiller Plant drawing (by AUTO-CAD) showing Chiller unit with all accessories, Water Line (inlet & outlet) with accessories, AHU,FCU etc.