Vol III(3).pdf

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TENDER DOCUMENT

TENDER No.: NRO/CON/MANIKTALA-PG-HVAC/492

FOR

HVAC SYSTEM FOR

EMPLOYEES STATE INSURANCE (ESI)

HOSPITAL AND PG COLLEGE AT MANIKTALA, KOLKATA

VOLUME – III

PRICE BID

ENGINEERING PROJECTS (INDIA) LIMITED

(A GOVT. OF INDIA ENTERPRISE)

Core-3, Scope Complex, 7, Institutional Area,

Lodhi Road, New Delhi-110003

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Total Amount( Rs.)

1 2 3 4 5= (3 x 4 ) 3 + 5

In figures In words In figures In words

A HVAC System 7,29,77,607

TENDER VALUE PRICE SCHEDULE

SI. No. DESCRIPTION ESTIMATED COST

(Rs.)

TO BE QUOTED BY TENDERER

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Sr.No. Description Qty Unit Rate Amount

AIR COOLED SCREW TYPE WATER CHILLING MACHINES :

1 Supply,installation,testing and commissioning of 290 TR

actual cooling capacity water chilling machines each comprising of screw compressors,motors,autotransformers, starters,air cooled condensers with fans,insulated chillers ,flow switch,vibration isolators,integral refrigerant piping and wiring accessories as per specifications,automatic capacity safety,controls centralised microprocessor control panel and all mounted on a steel frame.

Motor shall be suitable for 415V±10%V,3ph/50Hz AC power supply.Starting current of the compressor shall not exceed 2 times the full load current.

chilled water temperatures will be as given below.

a. Chilled Water IN to chilling machine:54 Deg F(12.2 Deg C) b. Chilled Water OUT from Chilling Machine :44 Deg F(6.7 Deg C)

c Fouling Factor : 0.0005

Cost of chiller card for conection to BMS shall be included. The refrigerant used shall be ozone friendly - R-134 A .Initial charge of refrigerant and oil shall be supplied with the chilling machine. Air In temperature to condenser is 37.8DB/28.3WB. The maximum IKW/TR at actual conditions shall not exceed 1.26 (compressor s+ condenser fans + heaters)

Water Chilling Machine as described above and in

the specifications and complete in all respects. 4 Nos. 6500000 26000000

Chilled water and Hot water Pumps :

2 Supply,installation,testing and commissioning

of end suction split casing type water pump sets factory mounted on a common base with electric motor for recirculation of water for the central air-conditioning system.All pumps shall be aligned. The pump motor shall be suitable for 415_+10% V, 50cycles, 3 phase power supply.The qouted rates shall be inclusive of insulation and cladding.

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Pump performance characteristics shall be as follows as per drawings and specifications.

a) Chilled water Primary Pumps

system :

Water flow Rate : 700 US GPM

Head : 18 m 4 Nos. 160000 640000

( Including one standby)

b) Chilled water secondary Pumps with VFDs

system :

Water flow Rate : 700 US GPM Head : 18 m

( Including one standby) 4 Nos. 280000 1120000

c) Hot Water Pumps for winter Heating :

Water Flow Rate : 300 US GPM Head : 24 m

( Including one standby) 3 Nos. 153000 459000

Hot Water Generators :

3 Supply,installation,testing and commissioning of electrical

Hot water Generator equipped with sufficient no.of flanges and electric immersion heaters.The pressure Vessel shall be constructed as per ASME standards and insulated on all sides with 2 layers of 50 mm thick fiberglass with 28 guage Aluminium cladding as per specifications. The hot water generator shall be equipped with all automatic and safety controls such as manual reset , high temperature water outlet,step controller and recycling relay,on/off switch type thermostat,pilot light, low water cut off and other controls as per manufacturers recommendations.All basic controls and terminals shall be located in an integral control cabinet factory wired and tested. The hot water generator shall be suitable for 415±10%volts/50 cycles,3phase power supply The entire hot water generator shall be factory assembled and tested requiring only connection to services of 300 KW Water in - 110 Deg

Water out - 120 Deg 2 No 445000 890000

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4 Supply,installation,testing and commissioning of sheet metal sectionalised construction draw thru type in Double skin construction with thermal break profile.Each Air Hndling Units shall be with filter section with prefilters and microvee filters,chilled water cooling coil of copper tube & Al.Fins construction,squirrel cage induction motor,centrifugal fan, mixing chamber for connecting the outside fresh air to AHUs,belt drive and vibration isolators.Coil size shall be selected for a max.face velocity of 500 FPM and

static shall be 50 mm.Motor shall be suitable for 415 V/3ph/50Hz AC supply. Air moving capacities shall be as follows as per drawings and specifications.

a) 22,700 cfm with 4 row cooling coil 2 No. 650000 1300000

b) 19,000 cfm with 4 row cooling coil 1 No. 630000 630000

c) 18,200 cfm with 4 row cooling coil 2 No. 630000 1260000

d) 16,500 cfm with 4 row cooling coil 2 No. 520000 1040000

e) 15,700 cfm with 4 row cooling coil 1 No. 500000 500000

f) 15,500 cfm with 4 row cooling coil 1 No. 500000 500000

g) 14,750 cfm with 4 row cooling coil 1 No. 500000 500000

h) 14,000 cfm with 4 row cooling coil 1 No. 475000 475000

I) 13,500 cfm with 4 row cooling coil 3 No. 475000 1425000

j) 13,000 cfm with 4 row cooling coil 1 No. 425000 425000

k) 12,700 cfm with 4 row cooling coil 1 No. 425000 425000

l) 12,250 cfm with 4 row cooling coil 1 No. 400000 400000

m) 12,000 cfm with 4 row cooling coil 1 No. 400000 400000

n) 11,150 cfm with 4 row cooling coil 1 No. 360000 360000

(All AHUs shall be with thermal break profile)

Ceiling Suspended TFA Units :

5 Supply,installation,testing and commissioning of sheet

metal construction draw thru type Air Handling Units in Double Skin construction. Each Air Hndling Units shall be with filter section with prefilters ,chilled water cooling coils of copper tube & Al.Fins construction,squirrel cage induction motor centrifugal fan, belt drive and vibration isolators.Coil size shall be selected for a maximum face velocity of 500 FPM and static shall be 40 mm.Motor shall be suitable for 415V/3ph/50hz Air moving capacities shall be as given below as per drawings and specifications.

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Ceiling Suspended AHUs for OTs:

6 Supply,installation,testing and commissioning of sheet metal

construction draw thru type AHUs in double skin construction Each AHU shall have filter section with prefilters, microvee filters

,HEPA filters,3# 3KW strip heaters,mixing chamber,chilled water cooling coil of copper tube & Al.Fins construction,squirrel cage induction

motor,centrifugal fan,belt drive,vibration isolators etc.Coil size of the of these air handling units shall be selected for a maximum face velocity of 500 FPM and static pressure shall be 125 mm WG The air moving capacities shall be as detailed below.These units shall be in accordance with drawings and specifications.

b) 2,200 cfm with 6 row cooling coil 1 No. 163000 163000

c) 2,000 cfm with 6 row cooling coil 9 No. 150000 1350000

d) 1,000 cfm with 6 row cooling coil 1 No. 110000 110000

7 Supply,installation,testing and commissioning of Heat exchanger

units(HRV) in double skin construction,constructed out of extruded Aluminium section frame with puf insulated panels,blowers,plate to plate type Aluminium heat exchanger and filters.The unit will have two separate passages one for supply of fresh air and the other for exhaust of cool air from the rooms after the revovery of energy. Efficiency of these heat exchangers shall be 60-65%.The plate to plate heat exchanger shall be rigid thermally bonded seamless Aluminium channels separated by extruded aluminium spacers of the 2000 cmh capacity.The unit shall be complete with its panels.

as per drawings and specifications.(For Operation Theatres only) 11 Nos. 155000 1705000

Fan Coil Units :

8 Supply,installation,testing and commissioning of

horizontal hide away type fan coil unit complete with fan ,fan motor,cooling coil,filters, 2-way motarised with snap acting thermostat and ball valve set etc.and

complete as per specifications and drawings of below capacities.

a) 1.5 TR (600 cfm) R.O. No. 22000 0

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Hydronic Type chilled water Cassette Units :

9 Supply,installation,testing and commissioning of hydronic type

chilled water cassette units complete with fan, fan motor,decorative grilles/panel,drain pump,cooling coil,filters, 2-way motarised

valve with snap acting thermostat and ball valve set etc.and complete as per specifications and drawings of below capacities.

a) 1.00 TR (630 cmh) 29 No. 30000 870000

b) 1.62 TR (1000 cmh) 37 No. 40000 1480000

c) 1.98 TR (1250 cmh) 15 No. 45000 675000

d) 2.50 TR (1600 cmh) 1 No. 50000 50000

Pressurisation Fan sections :

of DIDW centrifugal fan section with motor,drives set mounting frame,GI sheet casing of 16 Guage complete as per specifications and drawings of below capacities for staircase pressurisation.

a) 15000 cfm at 15 mm static 2 Nos 130000 260000

b) 8000 cfm at 15 mm static 2 Nos 90000 180000

b) 6000 cfm at 15 mm static 8 Nos 70000 560000

Ducted Inline Type Exhaust fans :

11 Supply,installation,testing and commissioning of ducted

Inline type exhaust fans complete with motor ,fan, exhaust Louvers as per drawings and specifications. of following sizes : a) 1000 cfm at 20mm static 5 No. 20000 100000 b) 800 cfm at 20 mm static 13 Nos. 14000 182000 c) 900 cfm at 20 mm static 3 Nos. 14500 43500 d) 450 cfm at 20 mm static 1 Nos. 13000 13000 e) 250 cfm at 20 mm static 1 Nos. 11000 11000

Propeller Type Exhaust fans :

12 Supply,installation,testing and commissioning of propeller

type free discharge exhaust fans complete with motor , fan ,exhaust Louvers as per drawings and specifications.

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of following sizes :

a) 225 mm dia (free discharge) 15 No. 3267 49005

of decorative High Wall type split units complete with indoor and outdoor units,refrigerant pipes with insulation, stablisers,ms frame for outdoor units interconnecting all wiring,cabling and complete in all respects as per drawings and

specifications. (2 TR cooling capacity) R.O. Nos. 41440 0

of decorative High Wall type split units complete with indoor and outdoor units,refrigerant pipes with insulation, stablisers,ms frame for outdoor units interconnecting all wiring,cabling and complete in all respects as per drawings and

specifications.(1.5 TR cooling capacity) R.O. Nos. 36720 0

Main A/C Panel

15 Supply,installation,testing and commissioning of the following integrated, cubicle type dead front, extensible sheet steel control panels,anchoring the panel to the foundation.The panel shall be suitable for 690 Volts/ 3PH/50Hz. Quoted price shall include rubber mats etc.The Panel shall have separate compartment for Bus bar and cable alleys.The following components and accessories shall be mounted within each control panel.

a) INCOMING FROM PANEL

I) One No. 2000 Amps Electrically operated draw out type 4 pole

Air Circuit Breaker (ACB) with 6 NO & 6 NC contacts 1 set and complete with the following :

ii) 0-500 Volts digital type voltmeter with selector

switch 1 set

iii) 0-2000 Amps digital type ammetre with 2000/5

Amps CTs and selector switches. 1 set

iv) Over voltage tripping mechanism for persistent voltage

exceeding 110% of the rated voltage for more than five

minutes. 1 set

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CTs, 1600/5A, SP 10 protection class 15 VA burden. 1 set

vi) Phase indicating Lamps with toggle switches & control fuses 1 set

b) BUS BARS :

Aluminium bus bar with heat shrikable sleaves rated at 2000 amps for three phase and neutral phase.Bus bar shall have maximum current density of 1 amp per sq.mm and the neutral

phase bus bar of not less than 50% capacity. 2 sets

OUTGOINGS FROM BUSBAR :

4 nos. 1000 Amps. motorised TP MCCB (50KA) with neutral link and 6 NO & 6 NC auxilliary contacts on outgoing feeders for 290 TR air cooled chilling unit compressor motors. The compartment shall shall contain CT operated ammeter of 0-1000 Amps range with selector switch and indicating lamps with fuse and toggle switch for ON and TRIP status of motor.

ii) 4 Nos.125 Amps TP MCCB (35 KA) with neutral link outgoing

feeders for chilled water primary pumps .The compart-ment shall contain star delta starter with single phase

preventor and CT operated ammeter of 0-150 Amps.range with for ON and TRIP status of motor.

iii) 4 Nos.125 Amps TP MCCB (35 KA) with neutral link outgoing

feeders for chilled water secondary pumps.the compart-ment shall contain star delta starter with single phase

preventor and CT operated ammeter of 0-150 Amps.range with for ON and TRIP status of motor.

iv) 3 Nos.63 Amps TP MCCB (35 KA) with neutral link outgoing

feeders for hot water pumps.The compartment

shall contain star delta starter with single phase preventor and CT operated ammeter of 0-63 Amps.range with for ON and TRIP status of motor.

vii) 2 nos. 800 Amps. motorised TP MCCB (50KA) with neutral link

and 6 NO & 6 NC auxilliary contacts on outgoing feeders for 300 KW Hot water Generator as per the details . The compartment shall shall contain CT operated ammeter of 0-800 Amps range with selector switch and indicating lamps

f) Necessary cable alleys of all equipment shall be included.

All switch gears/controls gears shall be of motor duty rating.

g) Auto/Manual stop change over switch to each equipment

and necessary potential free contacts. 1 set 2800000 2800000

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16 Supply,installation,testing and commissioning of the following cubicle type openable front ,sheet steel wall mounted control panels sleeve type Al. bus bar including anchoring into the wall.These panels shall be complete in all respects as per the drawings and the specifications.

The panel shall include the following accessories :

I) MCCB as per rating given below. ii) Terminal block for power distribution. iii) Single Phase Preventor.

iv) Phase indicating lights and indicating lights for ON/TRIP

status

v) Digital type Ammeter and suitable size CT and selector

switche.

vi) Time delay relay for automatic restart of AHUs motors. vii) Auto/Manual stop selector switch shall be provided in each

AHU Panel.The same should provide potential free contact for position monitoring to BMS system.

viii) All starters shall have suitable potential free contacts ix) Wiring for microswitch for stopping the fan when fire

dampers closes.

x) Bypass starter for BMS (AHUs VFDs)

The number of AHU panel shall be as detailed below :

a) 63 amps TPN MCCB with 1 No.2.0 HP DOL Starter for AHU 1 sets 20000 20000

fan motor and & 16 Amps.

b) 63 amps TPN MCCB with 1 No.3.0 HP DOL Starter for AHU 12 sets 25000 300000

c) 63 amps TPN MCCB with 1 No.10 HP Star Delta Starter for AHU 14 sets 45000 630000

d) 63 amps TPN MCCB with 1 No.12.5 HP Star Delta Starter for AHU 2 sets 45000 90000

e) 63 amps TPN MCCB with 1 No.15 HP Star Delta Starter for AHU 2 sets 45000 90000

Control Panel for ventilation and pressurisation fans :

17 Supply,installation,testing and commissioning of the following

cubicle type openable front ,sheet steel wall mounted control panels sleeve type Al. bus bar including anchoring into the wall.These panels shall be complete in all respects

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as per the drawings and the specifications.

The panels shall include the following accessories :

I) MCCB as per rating given below. ii) Terminal block for power distribution. iii) Single Phase Preventor.

iv) Phase indicating lights and indicating lights for ON/TRIP

status

v) Digital type Ammeter and suitable size CT and selector

switche.

vi) Time delay relay for automatic restart of Fan motors. vii) Auto/Manual stop selector switch shall be provided in each

Fan Panel

viii) All starters shall have suitable potential free contacts The number of El. Panels shall be as detailed below :

a) 32 amps TPN MCCB with 1 No. 5.0 HP DOL Starter 10 sets 25000 250000

b) 63 amps TPN MCCB with 1 No. 10 HP DOL Starter 2 sets 45000 90000

Chilled Water Piping :

18 Supply,installation,testing and commissioning of "C"class mild

steel Chilled water piping with all necessary fittings like flanges ,supports,bends, tees,reducers,sockets & TF quality Expanded polystyrene(EPS) insulation & 28 guage Al.cladding as per the thickness and densities as mentioned in the drawings and the specifications. a) 300 mm dia 200 RM 4200 840000 b) 200 mm dia. 75 RM 3500 262500 c) 150 mm dia. 125 RM 2150 268750 d) 125 mm dia. 30 RM 1902 57060 e) 100 mm dia. 400 RM 1648 659200 f) 80 mm dia 550 RM 958 526900 g) 65 mm dia 150 RM 807 121050 h) 50 mm dia. 70 RM 684 47880 i) 40 mm dia. 55 RM 571 31405 j) 32 mm dia. 100 RM 513 51300 k) 25 mm dia. 500 RM 462 231000 l) 20 mm dia. 100 RM 300 30000

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19 Supply,installation,testing and commissioning of following type of valves as per drawings and specifications for the chilled/hot water circuit with all fittings and insulations and 28 guage Al.cladding.

a) Butterfly Valves 300 mm dia 7 Nos 25000 175000 150 mm dia 30 Nos 4619 138570 125 mm dia. 4 Nos 2572 10288 100 mm dia. 10 Nos 2109 21090 80 mm dia. 28 Nos 1576 44128 65 mm dia. 10 Nos 1452 14520

50 mm dia R.O. Nos 1274 0

b) Ball valve for CS AHUs

32 mm dia. 28 Nos 1400 39200

25 mm dia. 2 Nos 956 1912

c) Balancing Valve

150 mm dia 6 Nos 32000 192000

125 mm dia. R.O. Nos. 11957 0

100 mm dia 2 Nos. 8744 17488

80 mm dia. 14 Nos. 5407 75698

65 mm dia. 5 Nos. 3182 15910

50 mm dia R.O. Nos. 2279 0

40 mm dia R.O. Nos. 1622 0

32 mm dia. 14 Nos. 1200 16800 25 mm dia. 1 Nos. 950 950 c) Check Valve 150 mm dia. 8 Nos 7500 60000 100 mm dia. 3 Nos 3000 9000 d) Y-Strainers 80 mm dia. 15 Nos 4171 62565 65 mm dia. 5 Nos 3553 17765 32 mm dia 15 Nos 3090 46350

25 mm dia 11 Nos 1500 16500

e) Pot Strainer

300 mm dia 1 No 140000 140000

f) Flexible pipe Connection 0

150 mm dia 24 Nos 12000 288000

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100 mm dia. 10 Nos 7724 77240

80 mm dia. 28 Nos 6488 181664

65 mm dia. 10 Nos 4943 49430

32 mm dia 28 Nos 3399 95172

25 mm dia 2 Nos 2400 4800

g) Water Flow Switch 4 Nos 5057 20228

2-Way Motorised Valves :

20 Supply,installation,testing and commissioning of following Globe type

UL/CE Approved 2-way motorised valves for AHUs with status feedback for the chilled water and hot water circuit with actuators, linkage, control wiring and all fittings and insulation and

28 Guage Al.cladding as per drawings and specifications.

a) 100 mm dia.pipe size R.O Nos 77445 0

b) 80 mm dia.pipe size 14 Nos 52263 731682

c) 65 mm dia. pipe size 5 Nos 46675 233375

d) 32 mm dia.pipe size 14 Nos 15000 210000

e) 25 mm dia.pipe size 1 Nos 8500 8500

AHUs Thermostats :

proportional type cooling and heating thermostats for the various Air Handling Units complet with required control

wiring/installation kit etc. as per drawings and specifications 115 Nos. 4300 494500

of following Thermameters and pressure guage as per drawings and specifications for the Chilled/hot water circuit complete with syphon and fitttings

a) Pressure guage 90 Nos 707 63630

b) Thermometer 105 Nos 637 66885

Expansion Tank :

of 1000 litres capacity expansion tank fabricated from 3mm MS sheet and having 19 mm thick nitrile

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rubber foam insulation covered with 28 Ga Aluminium sheet with man hole cover, drain ,overflow,quick fill,water supply connections,valves and complete in all respects as per drawings and specification

1000mm X 1000mm X 1000 mm 2 No 35000 70000

Drain Piping :

of "B" class GI drain piping complete with fitting etc & nitrile foam insulation with sealing tapes & 28 G Aluminium cladding complete as per drawings & specifications of below sizes.

a) 80 mm dia. R.O. Rmt 900 0 b) 65 mm dia. 75 Rmt 700 52500 c) 50 mm dia. 300 Rmt 600 180000 d) 40 mm dia. 75 Rmt 500 37500 e) 32 mm dia. 50 Rmt 400 20000 f) 25 mm dia. 350 Rmt 300 105000

of Air Vents 15 mm dia. 75 Nos 1400 105000

of 1" dia Ball valves for drain with fittings etc. 150 Nos 956 143400

Rectangular Ductwork :

of rectangular sheet metal ductwork complete with supports, dampers/splitters/vanes/fasteners/nuts/washers and all ancilliary items as per specifications and drawings of the following guauges / thickness.:

a) 24 Gauge 3450 M2 690 2380500

b) 22 Guage 2300 M2 790 1817000

c) 20 Guage 800 M2 930 744000

d) 18 Guage 400 M2 1065 426000

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28 Supply,installation,testing and commissioning of expanded polyethylene insulation on ducts complete as per the drawings and specifications of following sizes.

a) 9 mm thickness 6300 M2 461 2904300

Duct Accoustic Lining :

of 25 mm thick & 32 kg/m3 density fiberglass

insulation boards fixed on GI frame & covered with 26 guage perforated Aluminium sheet with nuts,bolts and complete as per drawings and specifications

for the accoustic lining of a/c ducts. 1200 M2 381 457200

Grilles/Diffusers/Louvers/VCDs/FDs :

of Supply air grilles with dampers in extruded Aluminium construction and powder coated

finish as per specifications and drawings. 4 M2 8249 32996

of Return air grilles without dampers in extruded Aluminium construction and powder coated

finish as per specifications and drawings 110 M2 6477 712470

of Supply air Diffusers with dampers in extruded Aluminium construction and powder coated

of Return air Diffusers without dampers in extruded Aluminium construction and powder coated

of MS powder coated grilles with dampers,louvers

and filters for Fresh air intake. 6 M2 7500 45000

GI construction Volume control Dampers lever

operated type as per specifications and drawings 15 M2 4400 66000

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control panel interconnecting wiring at locations shown in the

drawings and as per specifications 25 M2 25000 625000

AHU Room Accoustic Lining :

accoustic lining on all side walls of each AHU Rooms with

fiberglass ,tissue paper and 24 guage perforated aluminium sheet. The Fibreglass insulation shall be 50 mm X 32Kg/m3 of

board tyoe and shall be fixed on GI Frame as per the

drawings and the specifications. 1500 M2 786 1179000

of powder coated extruded aluminium air transfer grilles with

rear side frame as per drawings and specifications 3 M2 6100 18300

flexible duct connections constructed of fire resistance

flexible double canvas sleeve as per the drawings and 30 M2 3400 102000

specifications.

Power Cabling :

PVC insulated sheathed 1.1 KV grade armoured Al. Power cables from various panels upto their respective equipment on MS painted perforated trays with appropriate clamps/fixing arrangements as per specifications and drawings.

a) 3.5 C X 400 mm2 Aluminium Cable 200 RM 4000 800000 b) 3.5 C X 240 mm2 Aluminium Cable 200 RM 2000 400000 c) 3 C X 25 mm2 Aluminium Cable 75 RM 700 52500 d) 3 C X 16 mm2 Aluminium Cable 85 RM 600 51000 e) 3 C X 10 mm2 Aluminium Cable 150 RM 500 75000 f) 3 C X 6 mm2 Aluminium Cable 450 RM 400 180000 g) 3 C X 4 mm2 Aluminium Cable 400 RM 300 120000 Control Cabling :

PVC insulated sheathed 1.1 KV grade armoured Copper control cables for various equipment through walls/ceilings with appropriate clamps / fixing arrangements and complete with termination

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as per specifications and drawings.

a) 2C X 1.5 mm2 200 RM 150 30000

Earthing :

double earthing continuity conductor of GSS from Panels to respective equipment as per drawings and specifications.

a) 25 mm X 3 mm strip 125 RM 95 11875

b) 6 SWG wire 350 RM 25 8750

c) 8 SWG wire 250 RM 17 4250