Design, Manufacture, Testing, Supply, Erection and Commissioning of Low side HVAC works for proposed Boiler#8 CCR Building under RSPS2 Project at TNPL Unit-I

Amount

SUPPLY

Air Handling Unit

Thick rigid PUF pipe sections and finished with 24G aluminium clading.

Air moving and tonnage capacities shall be as detailed below and final static presssure rating will be provided during detail engineering

CCR Building 1st & 2nd Floor

Total cooling Capacity: 15 TR Dehumidified air qty.: 6000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C

Fan Coil Unit (Hi- Wall Type)

Type and Accessories: Sheet metal cabinet type Fan Coil Units each complete with all accessories as described hereinafter: Capacities shall be as indicated hereinafter. Each Fan Coil Unit shall consist of the following components in a completely prepackaged, pre-piped and pre-wired assembly. Filter Cooling coil Drain Pump Drain pan with connection Supply air fan with two speed drive motor Controls comprising motorized 2 Way Modulating valve with temperature sensor. Powder coated GI Casing with SA grilles. The detail specification of the above sections are as follows: Type: Centrifugal, DIDW with forward curved blades, directly driven Drive Motor: Adequately sized suitable for above fan and AC 240 V ± 10%, 1 Ph, 50 Hz ± 5% supply, TEFC (IP-55) squirrel cage induction type complying to motor specification in part-C. Filter Panel type dry HDPE filter having an efficiency as per Manufacturer's Standard. Cooling Coil (As per manufacturer’s standard design) Type: Chilled water type Construction: Seamless copper tubes with aluminium fins, number of fins as per manufacturer’s std. but not more than 13 per inch. Design fouling factor: 0.0002 Hr. – Sq. m – °C / Kcal Drain Piping (PVC Hard Drawn) complete with valves, fittings, hangers / supports etc. (as required) up to the nearest drain point provided by the purchaser. Drain piping from the FCUs shall be insulated with 13 mm thick Aluminium foil faced closed cell elastomeric Nitrile rubber / XLPE.

CCR Building OFFICE ROOMS

Wall Mounting Fan Coil Indoor AC Unit without solenoid inlet valve (chilled water type) - Capacity 2 TR

PIPING AND AUXILIARIES FOR AHU AND FCU

Chilled water piping of MS Heavy Gauge Class-C as per IS-1239, to be fitted between the termination point and HVAC Equipment. The piping shall be complete with necessary valves, bends, fittings, instruments, hangers , with suitable Wooden supports etc.

150 MM dia

100 MM dia

80 MM dia

50 MM dia

40 MM dia

25 mm dia

19 mm dia (Annealed Flexible Copper Tube)

Insulation for Chilled water pipes - Supply of insulation material as per section 2 clause 2.3.5 Part 4 of Bid document

150 MM dia

100 MM dia

80 MM dia

50 MM dia

40 MM dia

25 mm dia

19 mm dia (Annealed Flexible Copper Tube)

PVC Hard Drawn Drain Pipe with insulation

Equipment drain piping (PVC Hard Drawn) complete with valves, fittings, hangers / supports etc. up to the nearest drain point provided by the purchaser.

Main Common Header drain Pipe with insulation AHUs - 50 mm dia

Branch Drain Pipe with insulation for AHUs- 25 mm dia

Drain Pipe with insulation for FCUs- 15 mm dia

GI PIPE

GI Pipe Pipe between makup water Header 25mm dia GI Pipe (Medium class) Complete with valves , fittings , Hangers/supports etc.

VALVES

Valves of different types and sizes as follows. Chilled water line valves (complete with matching Flange, Nut-Bolts & Gaskets) shall be duly insulated with TF quality expanded polystryene of 50mm thick upto 250mm dia and 80mm thick for 300 mm dia to 600mm dia duly finished with Aluminium cladding with 26G.

BUTTERFLY VALVE (SS CONSTRUCTION)

150 MM dia

100 MM dia

80 MM dia

50 MM dia

19 mm dia (Brass Valve with SS Handle)

BALANCING VALVE (SS CONSTRUCTION)

Y - STRAINER (SS CONSTRUCTION)

19 mm dia

Ball Valve (SS CONSTRUCTION)

Duct Work (CCR Building)

GSS supply air ducting (having zinc deposition of at least 180 Gms / Sq. M) complete with vanes, damper with control arrangement at each branch off and wherever necessary, flexible connections of rubberized canvas, hangers / supports etc. Ducting shall be as per IS 655.

GI Ducting - 20 G ducting

GI Ducting - 22 G ducting

GI Ducting - 24 G ducting

Canvass Connection

Supply and installtion of canvass connection for AHU

Acoustic insulation

Acoustic insulation of 25mm Open type Nitrile rubber foam / XLPE (of density 140 Kg/ Cu.M) to be applied inside first 6M of ducting after AHU .

Thermal insulation

13mm thick Aluminium foil faced Nitrile Rubber/ XLPE thermal insulation of entire supply air duct.

Underdeck Insulation

◻ Insulation material shall be Closed Cell Elastomeric Nitrile Rubber with treated woven glass cloth laminated on one side. ◻ (Glass Cloth Colors Available – Red / Blue / Green) Thermal conductivity of the base insulation material shall not exceed 0.035 W/(m.K) at mean temperature of 00C as per EN 12667. Moisture Diffusion Resistance Factor or ‘µ’ value of the base insulation material shall be minimum 7,000 without any external barrier as per EN 12086. Water Absorption by Volume of base insulation material shall be < 0.2% as per ASTM C 1763 / ASTM C 209. ◻ The base insulation material shall have fire performance such that it passes Class 1 as per BS476 Part 7 for surface spread of flame and also passes Fire Propagation requirement as per BS476 Part 6 to meet the Class ‘O’ Fire category as per 1991 Building Regulations (England & Wales) and the Building Standards (Scotland) Regulations 1990. The base insulation material shall have fire performance of V0, HB as per UL 94, 1996. ◻ The insulation material shall be FM (Factory Mutual), USA Approved. ◻ Density of laminated insulation material shall be between 50 to 70 Kg/M3. Density of base insulation material shall be between 40 to 55 Kg/M3. The base insulation material shall be dust and fibre free. The base insulation material shall be formaldehyde free. The base insulation material shall be CFC & HCFC free. The base insulation material shall withstand maximum surface temperature of +850C and minimum surface temperature of 00C as per EN 14706. ◻ Glass Cloth Treatment: Shall be treated water based acrylic binder to give crisp and non-piling property to the fabric, to help in easy installation, minimize fiber erosion, good aesthetics and resistance to abrasion. Fiber spillage / Thread raveling shall be minimum. ◻ Glass Cloth : Weight shall be 205 ± 10 grams per square meter, Tensile Strength shall be 275 ± 25 Kg / 50 mm (minimum) Thickness shall be 0.18 mm / 7 mil (180 Microns). ◻ Glass Cloth shall be UV resistance as per ISO 4892-2 Method A. The base material shall have ODP (Ozone Depletion Potential) and GWP (Global Warming Potential) of Zero. Thickness of the insulation shall be as specified for the individual application. ◻ The insulation material shall be installed as per manufacturer’s recommendation. The Insulation application shall be supervised by OEM Appointed Application Engineer.

Grille/Diffuser with damper

Aluminum powder coated supply air grille/Diffuser with VCD.

Grille without damper

Aluminum powder coated return air grille without VCD.

Motorised Fire damper

Motorized fire damper with Actuator

ELECTRICAL ITEMS

415V Local Starter Panel

For Air Handling Unit (AHU) and 3 Phase Ventilation fan

415V Local Starter Panel (LSP) 415V, 3 phase, 4 wire, 50Hz Local Starter Panel shall be provided for feeding powers to the motors (above 0.18 KW motor rating) of different general 3 Phase equipment like AHUs. Local Starter Panels will be provided for the individual equipment depending on the motor ratings and locations. Local Starter Panel shall house incoming MCB for incoming power supply, Al Bus Bars, outgoing MCB with DOL &VFD for exhaust fans, auxiliary contactors, thermal overload relays, Start-Stop push buttons and indication lamps for incoming power supply, ON/OFF/TRIP indication lamps, terminal block, wiring for fan motors etc. LSP shall be indoor type, air insulated, natural air cooled, self-supported, wall mounted and metal clad factory assembled with fully wired type tested assemblies. The LSP shall be suitable for bottom Cable Entry. The LSPs shall be front wired and front connected and their enclosure shall be dust and splash proof, conforming to degree of protection of IP-54. Power supply for the modulating valves (3-way) shall be arranged from the respective Local Starter Panels for AHUs. This type of Local starter panel shall be provided for the Air Handling Units of the following areas: VFD make: ABB / YASKAWA)

15 TR AHU of CCR Building

Power Cabling

Power Cabling with associated cable trays

1100 Volt grade, heavy duty power cables with stranded copper / Aluminium conductors, XLPE insulation, extruded PVC inner sheath, round wire armoured and extruded FRLS PVC overall sheath. XLPE insulation shall be suitable for continuous conductor temperature of 90°C and short circuit temperature of 250°C. HRPVC shall be suitable for continuous conductor temperature of 85°C and short circuit conductor temperature of 160°C The minimum size chosen shall be as follows: a) Copper: 2.5 Sq. mm.

Control Cabling

1100 Volt grade, 70°C rating, control cables with stranded copper conductor, PVC insulation. Extruded PVC inner sheath, round wire Armour and extruded FRLS PVC overall sheath. No. of cores of control cables shall be restricted to 3, 5, 7, 12 & 16 including one core as spare. All control cables shall be 3 core 2.5 Sq. mm. copper cable. For details “General Electrical Specification” shall be referred to.

Grounding

Grounding of all drives / equipment from AHU to Starter Panel

ERECTION

Air Handling Unit

Thick rigid PUF pipe sections and finished with 24G aluminium clading.

Air moving and tonnage capacities shall be as detailed below and final static presssure rating will be provided during detail engineering

CCR Building 1st & 2nd Floor

Total cooling Capacity: 15 TR Dehumidified air qty.: 6000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C

Fan Coil Unit (Hi- Wall Type)

Type and Accessories: Sheet metal cabinet type Fan Coil Units each complete with all accessories as described hereinafter: Capacities shall be as indicated hereinafter. Each Fan Coil Unit shall consist of the following components in a completely prepackaged, pre-piped and pre-wired assembly. Filter Cooling coil Drain Pump Drain pan with connection Supply air fan with two speed drive motor Controls comprising motorized 2 Way Modulating valve with temperature sensor. Powder coated GI Casing with SA grilles. The detail specification of the above sections are as follows: Type: Centrifugal, DIDW with forward curved blades, directly driven Drive Motor: Adequately sized suitable for above fan and AC 240 V ± 10%, 1 Ph, 50 Hz ± 5% supply, TEFC (IP-55) squirrel cage induction type complying to motor specification in part-C. Filter Panel type dry HDPE filter having an efficiency as per Manufacturer's Standard. Cooling Coil (As per manufacturer’s standard design) Type: Chilled water type Construction: Seamless copper tubes with aluminium fins, number of fins as per manufacturer’s std. but not more than 13 per inch. Design fouling factor: 0.0002 Hr. – Sq. m – °C / Kcal Drain Piping (PVC Hard Drawn) complete with valves, fittings, hangers / supports etc. (as required) up to the nearest drain point provided by the purchaser. Drain piping from the FCUs shall be insulated with 13 mm thick Aluminium foil faced closed cell elastomeric Nitrile rubber / XLPE.

CCR Building OFFICE ROOMS

Wall Mounting Fan Coil Indoor AC Unit without solenoid inlet valve (chilled water type) - Capacity 2 TR

PIPING AND AUXILIARIES FOR AHU AND FCU

Chilled water piping of MS Heavy Gauge Class-C as per IS-1239, to be fitted between the termination point and HVAC Equipment. The piping shall be complete with necessary valves, bends, fittings, instruments, hangers , with suitable Wooden supports etc.

150 MM dia

100 MM dia

80 MM dia

50 MM dia

40 MM dia

25 mm dia

19 mm dia (Annealed Flexible Copper Tube)

Insulation for Chilled water pipes - Supply of insulation material as per section 2 clause 2.3.5 Part 4 of Bid document

150 MM dia

100 MM dia

80 MM dia

50 MM dia

40 MM dia

25 mm dia

19 mm dia (Annealed Flexible Copper Tube)

PVC Hard Drawn Drain Pipe with insulation

Equipment drain piping (PVC Hard Drawn) complete with valves, fittings, hangers / supports etc. up to the nearest drain point provided by the purchaser.

Main Common Header drain Pipe with insulation AHUs - 50 mm dia

Branch Drain Pipe with insulation for AHUs- 25 mm dia

Drain Pipe with insulation for FCUs- 15 mm dia

GI PIPE

GI Pipe Pipe between makup water Header 25mm dia GI Pipe (Medium class) Complete with valves , fittings , Hangers/supports etc.

VALVES

Valves of different types and sizes as follows. Chilled water line valves (complete with matching Flange, Nut-Bolts & Gaskets) shall be duly insulated with TF quality expanded polystryene of 50mm thick upto 250mm dia and 80mm thick for 300 mm dia to 600mm dia duly finished with Aluminium cladding with 26G.

BUTTERFLY VALVE (SS CONSTRUCTION)

150 MM dia

100 MM dia

80 MM dia

50 MM dia

19 mm dia (Brass Valve with SS Handle)

BALANCING VALVE (SS CONSTRUCTION)

Y - STRAINER (SS CONSTRUCTION)

19 mm dia

Ball Valve (SS CONSTRUCTION)

Duct Work (CCR Building)

GSS supply air ducting (having zinc deposition of at least 180 Gms / Sq. M) complete with vanes, damper with control arrangement at each branch off and wherever necessary, flexible connections of rubberized canvas, hangers / supports etc. Ducting shall be as per IS 655.

GI Ducting - 20 G ducting

GI Ducting - 22 G ducting

GI Ducting - 24 G ducting

Canvass Connection

Supply and installtion of canvass connection for AHU

Acoustic insulation

Acoustic insulation of 25mm Open type Nitrile rubber foam / XLPE (of density 140 Kg/ Cu.M) to be applied inside first 6M of ducting after AHU .

Thermal insulation

13mm thick Aluminium foil faced Nitrile Rubber/ XLPE thermal insulation of entire supply air duct.

Underdeck Insulation

◻ Insulation material shall be Closed Cell Elastomeric Nitrile Rubber with treated woven glass cloth laminated on one side. ◻ (Glass Cloth Colors Available – Red / Blue / Green) Thermal conductivity of the base insulation material shall not exceed 0.035 W/(m.K) at mean temperature of 00C as per EN 12667. Moisture Diffusion Resistance Factor or ‘µ’ value of the base insulation material shall be minimum 7,000 without any external barrier as per EN 12086. Water Absorption by Volume of base insulation material shall be < 0.2% as per ASTM C 1763 / ASTM C 209. ◻ The base insulation material shall have fire performance such that it passes Class 1 as per BS476 Part 7 for surface spread of flame and also passes Fire Propagation requirement as per BS476 Part 6 to meet the Class ‘O’ Fire category as per 1991 Building Regulations (England & Wales) and the Building Standards (Scotland) Regulations 1990. The base insulation material shall have fire performance of V0, HB as per UL 94, 1996. ◻ The insulation material shall be FM (Factory Mutual), USA Approved. ◻ Density of laminated insulation material shall be between 50 to 70 Kg/M3. Density of base insulation material shall be between 40 to 55 Kg/M3. The base insulation material shall be dust and fibre free. The base insulation material shall be formaldehyde free. The base insulation material shall be CFC & HCFC free. The base insulation material shall withstand maximum surface temperature of +850C and minimum surface temperature of 00C as per EN 14706. ◻ Glass Cloth Treatment: Shall be treated water based acrylic binder to give crisp and non-piling property to the fabric, to help in easy installation, minimize fiber erosion, good aesthetics and resistance to abrasion. Fiber spillage / Thread raveling shall be minimum. ◻ Glass Cloth : Weight shall be 205 ± 10 grams per square meter, Tensile Strength shall be 275 ± 25 Kg / 50 mm (minimum) Thickness shall be 0.18 mm / 7 mil (180 Microns). ◻ Glass Cloth shall be UV resistance as per ISO 4892-2 Method A. The base material shall have ODP (Ozone Depletion Potential) and GWP (Global Warming Potential) of Zero. Thickness of the insulation shall be as specified for the individual application. ◻ The insulation material shall be installed as per manufacturer’s recommendation. The Insulation application shall be supervised by OEM Appointed Application Engineer.

Grille/Diffuser with damper

Aluminum powder coated supply air grille/Diffuser with VCD.

Grille without damper

Aluminum powder coated return air grille without VCD.

Motorised Fire damper

Motorized fire damper with Actuator

ELECTRICAL ITEMS

415V Local Starter Panel

For Air Handling Unit (AHU) and 3 Phase Ventilation fan

415V Local Starter Panel (LSP) 415V, 3 phase, 4 wire, 50Hz Local Starter Panel shall be provided for feeding powers to the motors (above 0.18 KW motor rating) of different general 3 Phase equipment like AHUs. Local Starter Panels will be provided for the individual equipment depending on the motor ratings and locations. Local Starter Panel shall house incoming MCB for incoming power supply, Al Bus Bars, outgoing MCB with DOL &VFD for exhaust fans, auxiliary contactors, thermal overload relays, Start-Stop push buttons and indication lamps for incoming power supply, ON/OFF/TRIP indication lamps, terminal block, wiring for fan motors etc. LSP shall be indoor type, air insulated, natural air cooled, self-supported, wall mounted and metal clad factory assembled with fully wired type tested assemblies. The LSP shall be suitable for bottom Cable Entry. The LSPs shall be front wired and front connected and their enclosure shall be dust and splash proof, conforming to degree of protection of IP-54. Power supply for the modulating valves (3-way) shall be arranged from the respective Local Starter Panels for AHUs. This type of Local starter panel shall be provided for the Air Handling Units of the following areas: VFD make: ABB / YASKAWA)

15 TR AHU of CCR Building

Power Cabling

Power Cabling with associated cable trays

1100 Volt grade, heavy duty power cables with stranded copper / Aluminium conductors, XLPE insulation, extruded PVC inner sheath, round wire armoured and extruded FRLS PVC overall sheath. XLPE insulation shall be suitable for continuous conductor temperature of 90°C and short circuit temperature of 250°C. HRPVC shall be suitable for continuous conductor temperature of 85°C and short circuit conductor temperature of 160°C The minimum size chosen shall be as follows: a) Copper: 2.5 Sq. mm.

Control Cabling

1100 Volt grade, 70°C rating, control cables with stranded copper conductor, PVC insulation. Extruded PVC inner sheath, round wire Armour and extruded FRLS PVC overall sheath. No. of cores of control cables shall be restricted to 3, 5, 7, 12 & 16 including one core as spare. All control cables shall be 3 core 2.5 Sq. mm. copper cable. For details “General Electrical Specification” shall be referred to.

Grounding

Grounding of all drives / equipment from AHU to Starter Panel

Bidder Name

Amount in Words

Blue Star Ltd (BID ID -1445216)

TAP ENGINEERING (BID ID -1441983)

VOLTAS LIMITED (BID ID -1442318)

Unimech systems private limited (BID ID -1445135)

Unimech systems private limited (BID ID -1445135)

Blue Star Ltd (BID ID -1445216)

TAP ENGINEERING (BID ID -1441983)