E/632/2021

Amount

Note: This Document shall be read in co-ordination with detail specifications Design, Supply Installation Testing & Commissioning of the following: Masonry Spray type Air Washer system (AWS) of air flow capacities mentioned below having a saturation efficiency of 85-90%. The AWS shall consist the following major components-(Note: Civil works not included.). Pl refer drg No. C-CED/EP(AC&V)NFC(K)-149

Supply air Fans : DIDW type, backward curved, belt driven. Temperature to be considered is 50deg C. The scope also includes accessories like flexible connections at fan outlet,common base frame, vibration isolators, V-belt, guard, electrical actuator controlled volume control damper at the outlet. Entire construction shall be epoxy painted. MOC: Mild Steel Drive Arrangement Suitable with VFD (Note: VFD is covered in electrical schedule )

223538 CFM ; Static Pressure 150 mmWC

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192500 CFM; Static Pressure 150 mmWC

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48000 CFM; Static Pressure 150 mmWC

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91600 CFM; Static Pressure 150 mmWC

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Centrifugal pumps: Supply Installation Testing & Commissioning of Water recirculation centrifugal pumps suitable to handle water for above mentioned air flow rates, flexible coupling, mounting frame, etc., MOC: Cast Iron casing with SS impeller Drive Arrangement Suitable with VFD (Note: VFD is covered in electrical schedule)

for item no 1.011

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for item no 1.012

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for item no 1.013

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for item no 1.014

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Plumbing between Spray chamber and Pumps Piping from spray chamber to/from the pumps. Associated pump accessories : Isolation valves at inlet & outlet, flow regulation valves, NRV/check valve, strainer, etc. Piping from battery limit is also covered in this scope . Necessary fittings : Elbows, tees, couplings, reducers fasteners, clamps.etc, MOC : GI Class B Dwg: "C-CED/EP(AC&V)NFC(K)-147" for reference.

for item no 1.011

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for item no 1.012

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for item no 1.013

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for item no 1.014

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Spray Chamber internals: Supply Installation Testing & Commissioning of three bank water spraying system with header, distributers, HDPV nozzles, marine light, pipe fittings, quick fill make up water line along with float and valve, drain pipe with gate valve, etc. MOC : GI Class-B

for item no 1.011

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for item no 1.012

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for item no 1.013

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for item no 1.014

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Fresh Air Filter Capacity : 2000 CFM Grade : G4 Efficiency : 90% down to 10 micron Filter Media : HDPE Size : 610x610 mm Casing : Aluminium Face guard : Wire mesh type (Note: Necessary support structure is covered in another item)

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PVC Air distributer (Note: Necessary MS support structure is covered in another item).

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Chevron type PVC Mist eliminator (Note: Necessary MS support structure is covered in another item).

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Modular wetted pad type Air washer system: DOUBLE SKIN AIR HANDLING UNITS having a saturation efficiency of 95% confirming to theAHRI or EN1886 . MATERIAL OF CONSTRUCTION FOR AIR WASHER UNIT: Frame work: Extruded Aluminium Alloy section with thermal break profile OUTER SKIN : 1 MM Pre- Coated GI with PVC guard film INNER SKIN : 1 MM thick Pre Coated GI SUMP : 18 G Stainless steel single skin. INSULATION : Polyurethane foam/PIR with 38 Kg/m3 density PANEL THICKNESS : 50 MM FAN : DIDW centrifugal blower Double skin air washer units will comprise of: 1. Air intake section with full face louver. 2. Pre filter section : G-4 Grade Pre-Filter . 3. Air washer section with 200 mm thick celdeck pad, SS sump, water distribution GI pipe with 2 no. pumps (1 running + 1 standby). 4. Eliminator section with min 4 bends PVC eliminator and drain arrangement.. 5. Fan section with 12000 CFM Capacity and 100 mmWC static pressure. DIDW Backward curved centrifugal fan with belt drive set and with drive motor & with manually operated damper at discharge.

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Filtered Air Pressurisation system: DOUBLE SKIN AIR HANDLING UNITS confirming to theAHRI or EN1886 . MATERIAL OF CONSTRUCTION : Frame work: Extruded Aluminium Alloy section with thermal break profile OUTER SKIN : 1 MM Pre- Coated GI with PVC guard film INNER SKIN : 1 MM thick Pre Coated GI INSULATION : Polyurethane foam/PIR with 38 Kg/m3 density PANEL THICKNESS : 50 MM FAN : DIDW centrifugal blower Double skin air washer units will comprise of: 1. Air intake section with full face louver. 2. Pre filter section : G-4 Grade Pre-Filter . 3. Fan section with 41000 CFM Capacity and 70 mmWC static pressure. DIDW centrifugal fan with belt drive set and with drive motor & with manually operated damper at discharge.

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Exhaust air Fans : SISW type, backward curved, belt driven. Temperature to be considered is 50deg C. The scope also includes accessories like flexible connections at fan outlet,common base frame, vibration isolators, V-belt, guard, electrical actuator controlled volume control damper at the outlet. MS construction shall be epoxy painted. Static Pressure: 350 mm WC Drive Arrangement Suitable with VFD (Note: VFD is covered in electrical schedule )

31050 CFM (MOC:Air Stream Components i.e. Casing and Impeller to be made of SS304 and the rest of the fan will be MS)

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103000 CFM (MOC:Air Stream Components i.e. Casing and Impeller to be made of SS304 and the rest of the fan will be MS)

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19000 CFM (MOC:Air Stream Components i.e. Casing and Impeller to be made of SS304 and the rest of the fan will be MS)

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95300 CFM (MOC:Air Stream Components i.e. Casing and Impeller to be made of SS304 and the rest of the fan will be MS)

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110000 CFM (MOC:Air Stream Components i.e. Casing and Impeller to be made of SS304 and the rest of the fan will be MS)

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52800 CFM, MOC:Mild Steel

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69100 CFM, MOC:Mild Steel

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13000 CFM, MOC:Mild Steel

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66700 CFM MOC:Mild Steel

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24000 CFM MOC:Mild Steel

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48000 CFM MOC:Mild Steel

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Exhaust air Fans : SISW type, backward curved, belt driven. Temperature to be considered is 50deg C. The scope also includes accessories like flexible connections at fan outlet,common base frame, vibration isolators, V-belt, guard, electrical actuator controlled volume control damper at the outlet. MS construction shall be epoxy painted. Static Pressure: 350 mm WC MOC : Mild Steel

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Primary Exhaust Tube Axial Fans (Ducted Type): S,I,T,C of Tube Axial Fan along with necessary accessories. Impeller: Aluminium Casing : Mild Steel Type : direct driven Static Pressure : 100 mmWC

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GI DUCTING: Duct shall be complying to IS: 277, Class IV, Grade 275 GSM. Accessories included: Supply/Exhaust air collars, vanes, splitters, necessary MS structural members (viz. angle flanges for duct joining, lateral& longitudinal reinforcement, internal tie rods, fasteners), gaskets, sealent, etc. Duct construction shall be as per IS-655/SMACNA standrad. (Note: Necessary duct supporting/hanging structural material (MS) is covered under item )

18 gauge ducting , Rectangular

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22 gauge ducting , Rectangular

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18 gauge ducting, Circular

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22 gauge ducting, Circular

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SS304 Ducting: Supply/Exhaust air duct with SS304 material complying to ASTM A 240. Accessories included: supply/exhaust air collars, vanes, splitters, necessary MS structural members (viz. angle flanges for duct joining, lateral& longitudinal reinforcement, internal tie rods, fasteners), gaskets, sealent, etc. Duct construction shall be as per IS-655/SMACNA standrad. (Note: Necessary duct supporting structural material (MS) is covered under item )

18 Gauge, Rectangular

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22 Gauge, Rectangular

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18 Gauge, Circular

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22 Gauge, Circular

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16 Gauge for plenum

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Insulation: Type: Elastomeric closed cell structure nitrile rubber Thickness : 25 mm Fire Rating: Class 'O' Duct insulation - For all supply air duct running through the Sintering area plant at roof level

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Manually operated Volume Control Dampers Thickness: 16 G Thick Dimensions: As per Requirement Measurement: Cross Sectional Flow Area including flanges

Rectangular , MOC: SS304

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Circular, MOC: SS304

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Rectangular, MOC: GI

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Circular, MOC: GI

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Electrically operated Volume Control Dampers for ducting with one of the dimensions 1.0 mtr and above Thickness: 16 G Thick Dimensions: As per Requirement Measurement: Cross Sectional Flow Area including flanges

Rectangular , MOC: SS304

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Circular, MOC: SS304

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Rectangular, MOC: GI

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Circular, MOC: GI

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Actuators for electrically operated Volume Control Dampers

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Non Return damper MOC: SS 304 Thickness: 16 G Thick Dimensions: As per Requirement Measurement: Cross Sectional Flow Area including flanges

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Fusible link type Fire dampers MOC: GI Thickness: 16 G Thick Dimensions: As per Requirement Note: Dampers shall be CBRI tested & certified for minimum 90 minutes rating as per UL 555 Measurement: Cross Sectional Flow Area including flanges

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Supply Air Grills: Type : Double deflection grills/Four Way Diffusers as per layout MOC: Extruded Aluminium Powder Coated Frame Thickness : 16 G Accessories : Volume control Dampers

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Return Air diffusers MOC: Extruded Aluminium Powder Coated Frame Thickness : 16 G

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MS. Structure (For General purpose): Painting : Epoxy painting with primer Scope: Duct supports, Yard Trustels for carrying ducts, supporting stand.

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MS. Structure(For retainer frames): Painting : Epoxy painting with primer Scope: HEPA filter/ Pre Filter/ Fresh Air filter/Air Distributer/ Mist Eliminator etc

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MODULAR PRE/HEPA FILTER CHAMBER MOC : SS 304 Filters Qty: 4 Nos of HEPA and Prefilters each HEPA Grade: H 14 Pre Grade : G-4with wheels confirming to HA -1120-2 of ASME AG-1 of 2012 with bank efficiency of 99.5%.

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HEPA Filters Grade : H-14 Size: 610x 610x300 mm (Approx.) Flow Rate: 2000 CFM Efficiency : 99.97% down to 0.3 micron Initial Pressure Drop: 40 mmWC maximum in clean condition Casing : 1.2 mm thick Aluminium Media : Borosilicate Microfibre

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Pre-Filters Grade : G4 Size: 610x 610 mm Flow Rate: 2000 CFM Efficiency : 95% down to 10 micron Initial Pressure Drop: 12 mmWC maximum in clean condition Casing : 1.2 mm thick Aluminium Media : Non woven Synthetic media sandwiched between 2 layers of HDPE Mesh

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Modular Type Mist Eliminator Construction : 18 G SS304 Flow rate : 5900 CFM Type: V shape Note: The unit is part of PV system for grinders.

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Aluminium silicate Thermal Insulation Thickness: 25 mm Temperature : Minimum 250 Deg C Note: For primary exhaust system of sintering furnace system.

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High capacity Dust collector Flow rate : 5900 CFM Fan Static: Inlet Type: Single entry

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MS Leak tight doors Size : 2.215 x1.115 m Note: For masonary type HEPA/Pre-filter chambers Refer : Drawing no C-CED/EP(AC&V)-142

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1)Developing CAD drgs pertaining to GA, duct layout drawings as per specifications. 2)Simulation of Air flow pattern by CFD analysis using ANSYS or equivalent software. 3) Developing P&ID drgs of all ventilation systems as per schemes given 4) Assessing TAG numbers to all ventilation equipment 5)Validating of total sytem by smoke test.

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Design, Engineering, fabrication, transportation, supply, Safe handling, site storage, Installation, Testing & Commissioning of Motor Control Centre for air blowers and pumps as per tender specifications

Wet/Dry Section ventilation PDP 4P, 800A EDO type ACB I/C-2Nos. 4P, 800A EDO type ACB B/C-1No. 3P+NL, 400A MCCBs --- 2 Nos. 3P+NL, 250A MCCBs --- 3 Nos. 3P+NL, 63A MCCBs --- 3 Nos.

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Press Area Exhaust Air MCC panel 4P, 800A EDO type ACB I/C-2Nos. 4P, 800A EDO type ACB B/C-1No. 3P+NL, 400A MCCBs --- 3 Nos. 18.5kW Star-Delta Starter -- 2Nos. 15kW Star-Delta Starter --2Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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Sintering & Grinding PDP 4P, 800A EDO type ACB I/C-2Nos. 4P, 800A EDO type ACB B/C-1No. 3P+NL, 400A MCCBs --- 5 Nos. 3P+NL, 250A MCCBs --- 2 Nos. 18.5kW Star-Delta Starter -- 2 Nos. 11kW DOL Starter --2Nos.

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M01- Ventilation Normal PDB-1&2 4P, 800A EDO type ACB I/C-1Nos. 3P+NL, 400A MCCBs --- 3 Nos. 3P+NL, 250A MCCBs --- 2 Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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Damper Control Panel 4P, 63 A MCCB I/C-1Nos. 1 KW DOL starter(3Phase) - 8 Nos 1 KW DOL starter(1 Phase) - 9 Nos 3P+NL, 32A MCCB --- 1 Nos.

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Design, Engineering, fabrication, transportation, supply, Safe handling, site storage, Installation, Testing & Commissioning of VFD Motor Control Centre for air blowers and pumps as per tender specifications

Wet Area Supply Air MCC panel (Non-drawout type) 4P, 800A EDO type ACB I/C-1Nos. 250kW VFDs --- 1 Nos. 110kW VFDs --- 1 Nos. 3P+NL, 63A MCCBs --- 1 Nos.

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Dry Area Supply Air MCC panel (Non-drawout type) 4P, 800A EDO type ACB I/C-1No. 250kW VFDs --- 1 No. 90kW VFDs --- 1No. 3P+NL, 63A MCCBs --- 1 Nos.

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Press Area Supply Air MCC panel 4P, 800A EDO type ACB I/C-1Nos. 3P+NL, 400A MCCBs --- 1 Nos. 55kW VFDs --- 2 Nos. 22kW VFDs --- 2 Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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Sintering Area & Grindering Area Supply Air MCC panel 4P, 400A MCCB I/C-2Nos. 4P, 400A MCCB B/C-1No. 55kW VFDs --- 2 Nos. 22kW VFDs --- 2 Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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Assembly section Exhaust MCC 4P, 800A EDO type ACB I/C-2Nos. 4P, 800A EDO type ACB B/C-1No. 200kW VFDs --- 2 No. 3P+NL, 400A MCCBs --- 1 Nos. 11kW DOL Starter --2Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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Assembly Area Supply Air MCC panel (Non-drawout type) 4P, 800A EDO type ACB I/C-2Nos. 4P, 800A EDO type ACB B/C-1No. 3P+NL, 400A MCCBs --- 3 Nos. 110kW VFDs --- 2 Nos. 45kW VFDs --- 2 Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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Active Waste Storage MCC for M01 4P, 800A EDO type ACB I/C-2Nos. 4P, 800A EDO type ACB B/C-1No. 200kW VFDs --- 2 No. 3P+NL, 400A MCCBs --- 3 Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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SS02 M01 Supply Air MCC panel 4P, 250A MCCB I/C-1No. 55 kW VFD --2 Nos. 3P+NL, 63A MCCBs --- 1 Nos.

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Raw material Shed-1 MCC 4P, 400A MCCB I/C-2Nos. 4P, 400A MCCB B/C-1No. 75 kW VFDs --- 2 No. 3P+NL, 63A MCCBs --- 2 Nos.

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Raw material Shed-2 MCC 4P, 800A EDO type ACB I/C-2Nos. 4P, 800A EDO type ACB B/C-1No. 132kW VFDs --- 2 No. 3P+NL, 400A MCCBs --- 3 Nos. 3P+NL, 63A MCCBs --- 2 Nos.

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Tube degreasing & Vacuum baking PV-axial flow MCC panel 4P, 63 A MCCB I/C-1No. 7.5 kW star Delta Starter--2 Nos. 3P+NL, 32A MCCBs --- 1 Nos.

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Graphite coating PV- Axial flow MCC panel 4P, 63 A MCCB I/C-1No. 18.5 kW star Delta Starter--2 Nos. 3P+NL, 32A MCCBs --- 1 Nos.

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AETF Exhaust Air MCC panel 4P, 250A MCCB I/C-1No. 45 kW VFD --2 Nos. 3P+NL, 63A MCCBs --- 1 Nos.

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AETF Supply Air MCC panel 4P, 250A MCCB I/C-1No. 22kW VFD --2Nos. 18.5kW VFD --2Nos. 3P+NL, 32A MCCBs --- 1 Nos.

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Design, Engineering, fabrication, transportation, Safe handling, site storage, Installation, Testing & Commissioning of Variable Frequency Drives for air blowers and pumps as per tender specifications

280kW VFD panel

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250kW VFD panel

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220kW VFD panel

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132kW VFD panel

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90kW VFD panel

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55kW VFD panel

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Supply, installation, testing and commissioning of 1100 V grade, Aluminium Conductor, XLPE insulated and armoured FRLS cables of following sizes as per data sheet, specifications of this tender and directions of Engineer-in-Charge. including transport, all labour and materials, complete in all respects.

3.5Cx 300sqmm

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3.5Cx 185 sqmm

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3.5Cx120sqmm

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3.5Cx50sqmm

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4Cx16sqmm

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Supply, installation, testing and commissioning of 1100 V grade, Copper Conductor, XLPE insulated and armoured, FRLS cables of following sizes as per data sheets, specifications of this tender and directions of Engineer-in-Charge. including transport, all labour and materials, complete in all respects.

3Cx185sqmm

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3Cx120sqmm

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3Cx 70 sqmm

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3Cx35sqmm

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3Cx16sqmm

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4Cx2.5sqmm

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3Cx2.5sqmm

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Termination of XLPE insulated armoured Aluminium/Copper power cables (up to 1100 V grade) and connection of leads including the supply of single compression cable glands and heavy duty copper lugs, drilling of suitable holes in equipments for fixing purposes, including fixing of cable glands, supply and fixing of PVC shrouds, cutting and stripping of cable insulation, crimping the lug on to the conductor, clamping of the cable-cores, marking with wire number, ferrules etc., including all labour and materials, as per approved drawings, specifications of this tender and directions of Engineer-in-Charge.

3.5Cx 300sqmm

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3.5Cx 185 sqmm

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3Cx185sqmm

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3.5Cx120sqmm

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3Cx120sqmm

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3Cx 70 sqmm

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3.5Cx50sqmm

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3Cx35sqmm

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4Cx16sqmm

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3Cx16sqmm

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4Cx2.5sqmm

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3Cx2.5sqmm

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CABLE – TRAYS : Supply and installation of prefabricated hot dip galvanised steel cable trays, fabricated out of hot rolled sheet steel with rigid welded construction ladder type with a rung as per std. tender drawing of approved make and cable tray fittings, including all labour and materials, as per approved drawings, specifications of this tender and directions of Engineer-in-Charge.

150 mm wide Straight run cable tray.

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300 mm wide Straight run cable tray.

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450 mm wide Straight run cable tray.

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750 mm wide Straight run cable tray.

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Supply and installation of 100 mm wide galvanised slotted channel trays of 2 mm thickness and 50 mm high for supporting cables, including all labour and materials, as per approved drawings, specifications of this tender and directions of Engineer- in-Charge.

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Supply, fabrication and installation of 0.91 mm (20 gauge) GI sheet covers for all sizes cable trays, including necessary hardware, including all labour and materials, as per approved drawings, specifications of this tender and directions of Engineer- in-Charge.

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Supply and installation of Annubar (averaging type pitot tube) sensor with transmitter, 4-20 mA current output for measuring air flow through supply & exaust duct with complete accessories like duct flanges, screws, compression fittings, Digital panel meters etc.

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200000 CFM and aboue

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Supply and installation of Level Transmitters in the range of 0 to 2 M with transmitter, 4-20 mA current output for measuring water level with complete accessories like screws, fittings etc.

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Supply and installation of 3 wire, Pt100 Immersion type duplex RTD (with thermowell) with 4-20 mA output field mounted temperature transmitters for measuring temperature of supply air (inlet & outlet) inside duct, Plant temperature complete with accessories like duct flanges, SS thermowell, screws and compression fittings. Range: 0 to 60°C,

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Differential pressure transmitters in the range of 0-500 mm WC: Supply and installation of differential pressure transmitters with 4-20 mA current outputalong with complete accessories like SS tubings, compression fittings, mounting brackets, Digital panel meters etc.

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Differential pressure indicator in the range of -500 to +500 Pa to indicate the room pressure with 4-20 mA for remote communications

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Duct static pressure sensor with indicator with 4-20 mA output

Supply and installation of duct static pressure sensor with controller with relay output to be mounted on the supply air plenum for controlling and regulating the air flow through fan VFD speed. Range 0 to 250 mm WC

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Supply and installation of duct static pressure sensor ro be mounted on supply & Exaust air duct Range 0 to 500 mm WC

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Limit switches with 1NO/1NC and shall have current rating of 1 Amp.

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supply and installation Cables as per specifications

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supply and installation of Alarm annunciator with area wise alarm indication, reset, acknowledge and test pushbuttons

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Sterling and Wilson Private Limited

Blue Star Limited