Supply, Installation, Testing And Commissioning Of Hvac Works For Supply, Installation, Testing And Commissioning Of Hvac Works For Opd Building And Old Hospital Building ( Phase-A ) At Dr. B. Borooah Cancer Institute. ; 1 Opd Buildingy- Joints 2 Supply, Installation, Testing & Commissioning Of Of Ref Nut / Y-Joints Brass For Indoor And Outdoor Units Of Suitable Size As Per Requirement. 3 Anticorrosive Coating On Vrv-Idu, Brazing Joints Of Cooling Coil 4 Anticorrosive Coating On Vrv-Odu, Brazing Joints Of Cooling Coil 5 Outdoor Stand Fabrication 6 Supply, Fabrication And Erection Of Angle / Channel / Flat Iron Stand , Hanging Arrangement For Air Conditioning Machines & Ducts Etc.Back / Support Clamps Or Other Similar Work Etc.Including Nuts , Bolts Of Required Size, Making Holes, Fabrication, Welding, Cutting, Etc.And Painting With One Coat Of Red Oxide Paint & Two Coat Of Enamel Paint As Required As Per Specification. 7 Central Controller Forindoor & Outdoor Units 8 Supply, Installation, Testing & Commissioning Of Central Controller Capable Of Controlling Of All Idus, Oduscomplete With Necessary Hardware, Accessories Etc. To Perform The Following Functions: 9 Controlof Idus, Odus Units As Above With Monitoringof Vital Parameterssuch As Temperaturesensing & Setting, On / Off, Status Etc. 10 Permit / Prohibit Function Of Each Remote Controlled Unit. 11 Operation Of Units In Individually Or In Group. 12 Fault Indication With Alarm. 13 The Central Controller Will Be Complete Including All Hardware & Software ( Including Wiring ) Suitable To Perform Above Function. 14 Control & Transmission Wiring 15 Supply, Installation, Testing And Commissioning Of 2Core X 1.5 Mm² Copper Wire In Pvc Conduit As Per Specifications ( For Transmission ) 16 Cabling For Remote Control 17 Supply, Installation, Testing And Commissioning Of 2Core X 1.5 Mm2 Copper Wire In Pvc Conduitas Per Specifications ( For Remotes ) 18 Isolator 19 Providing & Fixing Weather Proof Isolator Near Each Outdoor Unit. 20 Inline Fan ( Toilet Exhaust For Common Toilet Areas ) 21 Supply, Installation, Testing And Commissioning Of Round / Cabinet Type Rectangular Inline Fans With Motor Complete Motor Complete With Tefc Sq. Cage Inductionmotor Suitable For 220 Volts ± 10%, 50Hz ± 3 %, Single Phase A.Csupply Of Class F Insulationwith , Mountings Accessories In Allrespect With Wiring Upto Power Supply Point& Offollowing Capacities As Per Specification And Tender Drawing Mentioned. 22 1000 Cfm / 25Mm St.Pr. 23 900 Cfm / 25Mm St.Pr. 24 700 Cfm / 25Mm St.Pr. 25 Double Skinned Floor Mounted Dx Type Air Handling Units With Inbuilt Starter Panel 26 Supply, Installation Testing & Commissioning Of Factory Assembled / Modular Eurovent Certified Double Skin-Floor Mounted Air Handling Units ( Ahu ) Complete With Double Skin 50Mm Thick Insulated With Rockwool Panel Of 38±2 Kg / Cum Density Sandwiched Between 0.8Mm Thick Alu Zinc Inner & 0.8Mm Precoated Gi Outer Sheets. The Ahu Casing Shall Comply To Eurovent Standard En 1886 For Casing Strength D1, Casing Air Leakage L1, Thermal Bridging Factor Tb2, Thermal Transmittance T2 & Filter Bypass Leakage F9. The Control Wiring And Power Wiring Shall Be In The Scope Of Oem Ahu Manufacture And To Be Carried Out At Factory With Terminations To Marshalling Box. 27 Food Grade Self Adhesive Coated Epdm Gasket To Be Provided Between Panels And Structure Of The Ahu To Ensure The Entire Housing Is Airtight. 10Mm Heavy Duty Gss Base Frame Shall Be Powder Coated For Better Aesthetics, Cleaning And Maintenance. 28 The Ahu Shall Be Supplied With Ahu Blower Fans With Wall Mounted Ec Plug Fan ( Ebm / Ziehl-Abegg ) Complete With External Rotor Bldc Motor & Integrated Electronic Controller, Potentiometer For Speed Control. The Fan Shall Be Suitable For Bms Connectivity. Series Of Multiple Fans Shall Be Considered Depending Upon Capacity Of Ahu’S ( As Mentioned Below ) Ahu Manufacture Should Supply Cover Plate For Fans In Sufficient Quantity For Maintenance Purpose. Ec Fan Incoming Supply To Be Terminated. 29 With Mcb And Shall Be Included In The Power Terminal Box For Electrical Connection Of Ec Fans And Should Be Factory Fitted On The Ahu’S Potentiometer Shall Be Provided In The Marshalling Box For Manual Operation Of Ec Fans. Relay For Auto / Manual Operation Should Be A Part Of Marshaling Box Supplied By The Ahu Manufacture. 30 Dx Type Coils 6 Row Deep Suitable For Connecting With Vrv / Vrf . Face Velocity Across The Coils Should Not Exceed 500 Fpm. Cooling Coils Shall Be Constructed From Premium Quality Seamless Copper Tubes 12.5Mm Thickness Dia And Aluminum Fins Of 0.21Mm Thickness Of 12Fpi, As Per Specs, Uv Emitters With Reflectors To Be Fixed On The Coil Surface With Removable Extruded Aluminum Frames. 31 Filters Section Should Be Consisting Of Pre Filter And Fine Filter ( Rigid Bag Type ) In Aluminium Casing. Pre Filter Shall Be With Non Woven Sysnthetic Media Of 10 Micron Article Size With An Efficiency Of 90 % . Fine And Microvee Filter Section Shall Be With Filters Of Non Woven Synthetic Media 3 Micron Particle Size Of Efficiency Of 99%. 32 Ahu Should Have Marine Lamp Including Adequately Rated Led Light Fitting Inside The Ahu Cabinet. Ahu Inspection Door Should Have View Window With Perfectly Sealed Gaskets On Either Side To Ensure Air Tightness. All Ahus Shall Be Provided With Door Limit Switch And Also Door Safety Gi Guard. All Internals Shall Be Powder Coated For Corrosion Resistance. 33 Control Panel To Be Provided With A Rotary Switch To On / Off The Fan Through Manual By Override. Apart From That There Will Be An Option To On / Off Ahu By Controller Keypad And Also From Bms. A Potentiometer With Auto / Manual Switch To Be Provided So An Override Of Fan Speed Through Manual Should Be Possible Main Incoming Mcb, Individual Mcb For Each Fan, Busbar, 1 No. Contactor To Distribute Power To Individual Fan Should Be Provided. A Smps With Terminal Fuse Protected Will Be Used Powering Up The Controller. All Common Alarms Will Be Displayed On Controller. 34 Isolators Vibration Isolators Shall Be Provided To All Air Handling Units. The Fan And Motor Framework Shall Be Isolated From The Ahu Framework By Means Of Spring Type Vibration Isolators. The Ahu Shall Be Mounted On 6-Inch-High Pcc Block Suitable For Weight Of The Ahu. The Platform Shall Be 4 Inch Bigger Than The Ahu Frame Size From All Sides. The Framework Of The Ahu And The P.C.C. Block Shall Be Isolated By Means Of Neoprene Mats Of Size 150Mmx150mm In Two Layers With 16G G.S.S. Sheet Sandwiched In Between. 35 Note: Units Shall Be Including Expansion Ahu Kit To Connect With Vrv / Vrf System. 36 Note: Pvc Ports For Dps Tube Connections In Fine Filter Shall Be Provided And Rates Will Be Included In Ahu. 37 8000 Cfm, ( 65 Mm St. Pr, 6 Row Cc ) 38 6000 Cfm, ( 65 Mm St. Pr, 6 Row Cc ) 39 3000 Cfm, ( 65 Mm St. Pr, 6 Row Cc ) 40 Part-1 : Sub Head - B :Plumbing 41 G.I Condensate Drain Piping 42 Supplying, Fixing, Testing And Commissioning Of Condensate Drain Water Piping Of Gi Medium Class Complete With Fittings Like Elbows, Tees, Reducers, Bends, Ms Flanges, Supports, Welding, Painting Etc. As Required & Conforming To Tender Specifications And Of Following Sizes, Drain Pipe Shall Be Duly Insulated With 15 Mm Thick Polyurethen Foam Insulation At The Joints Etc. As Per Specifications & As Required. 43 40 Mm Dia Nb 44 50 Mm Dia Nb 45 Upvc Condensate Drain Piping 46 Supply, Installation, Testing And Commissioning Of Drain Piping Of Hard Upvc Pipe And Fittings, Insulated With 12 Mm Thick Nitrile Rubber. 47 25Mm 48 32Mm 49 40Mm 50 Supplying & Fixing Of18 G Thick Aluminium Extruded Powder Coated Fresh / Exhaust Air Weather Protected Louvers With Bird Screen Type ( With Aluminium Frames If Required ) For Ventilation With 12G Gi Wire Mesh As Per Specification And Sizes Will Be As Per Tender Drawing Mentioned. 51 M.S Work For Cat Walkway And Service 52 Part-1 : Sub Head - D : Electrical Works 53 Sub - Panels For Air Handlers 54 Supply , Installation, Testing And Commissioning Of Cubical Wall Mounted Type Switch Board Made Of 2Mm Thick Crca Sheet As Detailed Below & Conforming To The Specifications. 55 Note: The Hvac Contractor Shall Provide Fire Shunt Relay Contact In His Panel Wherever Necessary Along With Auto / Manual Mode Selector Switch In The Outgoingfeeder For Ahu Fan To Take Fire Input Signal ( Potential Free Contact ) .Cost Shall Be Included In The Panel Price Quoted By Him. 56 For Ahuwith ( 3.0 Hp Fan Motor ) 57 16A Tpn Mcb For 16 Aahu Starter Panel, Overload Relay, Start / Stop Push Buttons, Phase Indication Lights With Protection Fuse, On / Off / Tripindicationlightswith Protection Fuse, Ammeter ( 0-16 A ) With Single Ct, Single Phase Preventer. Auto Manual Selector Switch. Mcb Shall Be Of 10Ka 58 Controls & Interlocking Accessories As Required. 59 For Ahu ( 7.5 Hp Fan Motor ) 60 32A Tpn Mcb For 32 Aahu Starter Panel, Overload Relay, Start / Stop Push Buttons, Phase Indication Lights With Protection Fuse, On / Off / Tripindicationlightswith Protection Fuse, Ammeter ( 0-32 A ) With Single Ct, Single Phase Preventer. Auto Manual Selector Switch. Mcb Shall Be Of 10Ka. 61 Controls & Interlocking Accessories As Required.Lot 62 Power & Control Cabling 63 Supplying, Laying, Effecting Proper Termination, Testing & Commissioning Of The Following Power Cable Sizes Of 1.1 Kv - Pvc Inner Sheated, Extruded Pvc Type St2 Sheathed & Galvanised Steel Strips / Wire As Per Is 7908 ( Part-I ) Armoured Aluminium Conductor Cables Conforming To Relevant Latest Amended Indian Standardsas Per Specification Standard. 64 4 C - 6 Sqmm ( Copper - Pvc - Unarmoured ) 65 4 C - 10 Sqmm ( Copper - Pvc - Unarmoured ) 66 4 C - 16 Sqmm ( Copper - Pvc - Unarmoured ) 67 3C X 6 Sq. Mm 68 3C X 4 Sq. Mm 69 Earthing Strip / Wires. 70 Providing And Fixing 8 Swg Dia G.I. Wire On Surface Or In Recess For Loop Earthing Along With Existing Surface / Recessed Conduit / Submain Wiring / Cable As Required 71 Providing And Fixing 10 Swg Dia G.I. Wire On Surface Or In Recess For Loop Earthing Along With Existing Surface / Recessed Conduit / Submain Wiring / Cable As Required 72 Split Unit Airconditioners 73 Cassette Split Unit 74 Supply, Installation, Testing And Commissioning Of Split Type Ceiling Cassette Slim Line / Floor Standing Air Conditioning Unit Of Capacity Including Indoor, Outdoor Unit Fitted With Rotary Compressor, Copper Condenser And First Charge Refrigerant R 410 A / Eco Friendly Green Gas Only , Cordless Remote Control, Auto Air Swing Louvers, Connection Copper Lead Wire Between Outdoor And Indoor Unit , Connection Copper Lead Wire Upto 1.5 Mtr., Excluding Connection Copper Pipe Of Required Size, Insulation, Floor Stand For Outdoor Unit, Condense Water Outlet Complete Etc As Required.Outdoor / Indoor Units Should Be Of Same Make ( Brand ) . ( With 10 Rmt. Circuit Length Of Refrigerant Piping With Cabling And Earthing ) . 75 2.0Tr 76 Vav Box 77 Supplying, Installation, Testing & Commissioning Of Vav Box Of Suitable Capacity And Sizes With Actuator & And Damper Along With Cabling For Interconnecting Etc As Required & As Per Standard, Drawings & Specifications: 78 ( 0 - 4200 ) Cfm 79 ( 0 - 3800 ) Cfm 80 ( 0 - 3200 ) Cfm 81 ( 0 - 2800 ) Cfm 82 ( 0 - 2200 ) Cfm 83 ( 0 - 1600 ) Cfm 84 ( 0 - 1400 ) Cfm 85 ( 0 - 1250 ) Cfm 86 ( 0 - 1100 ) Cfm 87 ( 0 - 700 ) Cfm 88 ( 0 - 600 ) Cfm 89 Part - Iii : Smoke Ventilation System 90 Smokeventilation 91 Fresh Air Supply 92 Supply, Erection, Testing Andcommissioning Of Ceiling Hunged Tube Axial Flow Fans With Adjustable Pitch Blade , Ms Casing, Castaluminiumalloyimpeller Completewith Tefc Sq. Cage Inductionmotor Suitable For 415 Volts ± 10%, 50Hz ± 3 %, 6 / 4 Pole, Three Phase A.Csupply Of Class F Insulationand Shall Ie -3 With Support, Mountings With Vibration Isolator Spring And Fire Rated Canvas Flexible Connection Etc. & Of Following Capacity As Per Approved Tender Drawings. ( Noise Level Shall Not Be More Than 90 Db At A Distance Of 3 Metres ) .Note Fan Shall Be Amca Certified. 93 In Normal / Emergency Mode: 94 Air Qty.= 8000 Cfm 95 Static Pressure = 30 Mm Wg 96 Motor = Not Exceed 2.2 Kw. 97 In Normal / Emergency Mode: 98 Air Qty.= 6000 Cfm 99 Static Pressure = 30 Mm Wg 100 Motor = Not Exceed 2.2 Kw. 101 In Normal / Emergency Mode: 102 Air Qty.= 3000 Cfm 103 Static Pressure = 30 Mm Wg 104 Motor = Not Exceed 1.1 Kw. 105 Exhaust Air 106 Supply, Erection, Testing Andcommissioning Of Ceiling Hunged Tube Axial Flow Fans With Adjustable Pitch Blade , Ms Casing, Castaluminiumalloyimpeller Completewith Tefc Sq. Cage Inductionmotor Suitable For 415 Volts ± 10%, 50Hz ± 3 %, 6 / 4 Pole, Three Phase A.Csupply Of Class H Insulationand Shall Ie -3 With Support, Mountings With Vibration Isolator Spring And Fire Rated Canvas Flexible Connection Etc. & Of Following Capacity As Per Approved Tender Drawings.The Fan Shall Be Completely Rated For Fire @ 250°C For 2 Hours. ( Noise Level Shall Not Be More Than 90 Db At A Distance Of 3 Metres ) .Note Fan Shall Be Amca Certified. 107 In Normal / Emergency Mode: 108 Air Qty.= 8000 Cfm 109 Static Pressure = 30 Mm Wg 110 Motor = Not Exceed 2.2 Kw. 111 In Normal / Emergency Mode: 112 Air Qty.= 6000 Cfm 113 Static Pressure = 30 Mm Wg 114 Motor = Not Exceed 2.2 Kw. 115 In Normal / Emergency Mode: 116 Air Qty.= 3000 Cfm 117 Static Pressure = 30 Mm Wg 118 Motor = Not Exceed 1.1 Kw. 119 Sub - Panels For Smoke Ventilation 120 Supply , Installation, Testing And Commissioning Of Cubical Wall Mounted Type Switch Board Made Of 2Mm Thick Crca Sheet As Detailed Below & Conforming To The Specifications. 121 Note: The Hvac Contractor Shall Provide Fire Shunt Relay Contact In His Panel Wherever Necessary Along With Auto / Manual Mode Selector Switch In The Outgoingfeeder Foraxial Flow Fan To Take Fire Input Signal ( Potential Free Contact ) .Cost Shall Be Included In The Panel Price Quoted By Him. 122 For Ahuwith ( 3.0 Hp Fan Motor ) 123 16A Tpn Mcb For 16 A With Dol Starter, Overload Relay, Start / Stop Push Buttons, Phase Indication Lights With Protection Fuse, On / Off / Tripindicationlightswith Protection Fuse, Ammeter ( 0-16 A ) With Single Ct, Single Phase Preventer. Auto Manual Selector Switch. Mcb Shall Be Of 10Ka 124 Controls & Interlocking Accessories As Required. 125 For Ahuwith ( 1.5 Hp Fan Motor ) 126 16A Tpn Mcb For 16 Awith Dol Starter, Overload Relay, Start / Stop Push Buttons, Phase Indication Lights With Protection Fuse, On / Off / Tripindicationlightswith Protection Fuse, Ammeter ( 0-16 A ) With Single Ct, Single Phase Preventer. Auto Manual Selector Switch. Mcb Shall Be Of 10Ka 127 Controls & Interlocking Accessories As Required. 128 Power & Control Cabling 129 Supplying, Laying, Effecting Proper Termination, Testing & Commissioning Of The Following Power Cable Sizes Of 1.1 Kv - Pvc Inner Sheated, Extruded Pvc Type St2 Sheathed & Galvanised Steel Strips / Wire As Per Is 7908 ( Part-I ) Armoured Aluminium Conductor Cables Conforming To Relevant Latest Amended Indian Standardsas Per Specification Standard. 130 3C X 4 Sq. Mm 131 Earthing Strip / Wires. 132 Providing And Fixing 10 Swg Dia G.I. Wire On Surface Or In Recess For Loop Earthing Along With Existing Surface / Recessed Conduit / Submain Wiring / Cable As Required 133 Part- I : Air Conditioning System 134 Vrf / Vrv Outdoor Ac Unit 135 Supply Installation, Testing & Commissioning Of Modular Type Variable Refrigerant Flow / Variablerefrigerant Volume Air Cooled Outdoor Units Suitable For Cooling And Heating, Having All Hermetically Sealed Inverter Type Scroll Compressor ( Oem Manufactured Compressor Only ) , Microprocessor Based Controller, With R410 A Refrigerant, Vibration Isolators, With Suitable Foundation Etc. Complete As Required. The Unit Shall Deliver The Rated Capacity At Ahri Conditions And Work Even At 50°Cambient Temperature With Out Tripping. The Unit Shall Be Suitable To Work On 400V+ / -10%, 3Phase, 50Hz Ac Power Supply. The Unitshall Be Filled With First Charge Of The Refrigerant And Ready For Use As Required. The Cop In Cooling Condition Of Each Module At Ahri Conditions Shall Not Be Less Than 3.4 And Ieer Not Less Than 6.5. 136 Outdoor Units Shall Have External Static Pressure Of Minimum 80 Pa To Avoid Any Hot Circulation And Shall Be Capable To Control Esp In Different Steps As Per Requirement. Also, The Heat Exchanger Coil Shall Covered From 3 Sides Only And Front Side Need To 100% Open And Shall Not Have Any Coil Coverage. 137 It Is Mandatory That Each Compressor Shall Have Inverter Technology Separately I.E; Outdoor Units Shall Have All Inverter Based Compressor. 138 34.0Hp 139 26.0Hp 140 22.0Hp 141 12.0Hp 142 8.0Hp 143 Vrf / Vrv Indoor Unit ( Cassette Type ) 144 Supply, Installation, Testing And Commissioning Of Following Minimum Capacity 4 -Way Flow Vrv / Vrf Cassette Type Indoor Ceiling Mounted Unit Equipped With Synthetic Washable Media Pre-Filter , Fan Section With Low Noise Fan / Dynamically Balanced Blower, Multispeed Motor , Coil Section With Dx Copper Coil, Electronic Expansion Valve, Outer Cabinet, Drain Pump, Grill, Necessary Supports, Vibration Isolation , Cord Less Remote Control Etc., Suitable For Operationon Single Phase 230 V± 10 % , 50 Hz Ac Supply , Complete, As Required.The Unit Shall Have Automatic Force Shut Down Provision In Case Of Fire On Receiving Signal From Bms System.The Cooling Capacity Of Indoor Unit Will Be At Air Inlet Conditions Of 27 Degree C Db And 19 Degree C Wb Temperature. 145 3.2 Tr / 3.18 Tr 146 1.6 Tr / 1.59 Tr 147 Copper Refrigerant Piping 148 Supply, Installation, Testing And Commissioning Of Including Vaccumiazation And Nitrogen Testing Of Following Nominal Sizes Of Soft / Hard Drawn Copper Refrigerant Piping For Vrv / Vrf System, Complete With Fittings , With Suitable Adjustable Ring Type Hanger Supports , Jointing / Brazing Including Accessories , Insulated With Xlpe Class-O Tubular Insulation / With Class -O Closed Cell Elastomeric Nitrile Rubber Tubular Sleeves Sections Of Specified Thickness As Given Below For Suction And Liquid Lines , All Accessories As Per Specification Etc.As Required: 149 Note:- 1 ) The Copper Piping & Piping Circuit Should Be With Minimum Number Of Joints, Which Shall Be Attained By: ( I ) Using One End Expanded Tubes. ( Ii ) Bending The Tubes Instead Of Using Elbow Joints Wherever 90 Degree Bending Is Required. ( 2 ) Piping Should Be Routed At Site In Such A Manner, That Brazed Joints In The Refrigeration Piping Are Kept To A Minimum. ( 3 ) The Makes Of Tube Fittings Shall Be Same As That Of Tubes. ( 4 ) The Thickness Of Fittings Used Shall Be Same As That Of The Pipe. 150 6.4 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 151 9.5 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 152 12.7 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 153 15.86 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 154 19 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 155 22.2 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 156 25.4 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 157 28.58 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 158 31.8 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.62 Mm With 19 Mm Thick Insulation. 159 34.9 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.62 Mm With 19 Mm Thick Insulation. 160 38.1 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.62 Mm With 19 Mm Thick Insulation. 161 41.27 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.62 Mm With 19 Mm Thick Insulation. 162 Cable Tray: 163 Supply And Installingfollowing Size Of Perforated Painted With Powder Coating M.S Cable Trays With Perforation Not More Than 17.5% , In Convinient Sections , Joined With Connectors, Suspended From The Ceiling With M.S Suspenders Including Bolts & Nuts , Painting Suspenders Etc As Required. 164 150Mm X 50Mm X 1.6 Mm Thick 165 Part-1 : Sub Head - C :Ducting , Grilles & Insulation 166 Rectangular / Square Ducting ( Factory Fabrication ) 167 Supply , Installation , Balancing And Commissioning Of Factory Fabricated Gss Sheet Metal Rectangular / Round Ducting Complete With Neoprene Rubber Gaskets , Elbows, Splitter Dampers , Vanes, Hangers , Supports Etc. As Per Approved Drawings And Specifications Of Following Sheet Thickness Complete As Required. 168 Thickness 0.63Mm Sheet 169 Thickness 0.80Mm Sheet 170 Thickness 1.00Mm Sheet 171 Thickness1.25Mm Sheet 172 Fire Dampers 173 Supply, Fixing, Testing & 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 In Built Mechanism And Not Externally Mounted.The Damper Shall Also Be Closed In The Event Of Fire Signal Complete As Required And As Per Specifications. 174 Fire Damper 175 Actuator 176 Supply & Fixing Of Powder Coated Extruded Aluminium Supply Air Grills With Aluminium Volume Control Dampers As Per Specifications. 177 Supply & Fixing Of Powder Coated Extruded Aluminium Return Air Grills With Louvers But Without Volume Control Dampers As Per Specifications. 178 Supply, Fixing Testing Commisioningof Supply Air Diffusers Of Powder Coatedaluminium With Aluminium Volume Control Dampers With Anti Smudge Ring & Removable Core. 179 Supply, Fixing Testing Commisioningof Return Air Diffusers Of Powder Coatedaluminium Without Aluminium Volume Control Dampers With Anti Smudge Ring & Removable Core. 180 Supply, Installation, Testing And Commissioning Of Gi Volume Control Duct Damper Complete With Neoprene Rubbergaskets, Nuts, Bolts, Screws Linkages, Flanges., As Per Specifications. 181 Thermal Insulation 182 Supplying And Fixing Of Following Thickness Duly Laminated Aluminium Foil Of Mat Finish Closed Cell Nitrile Rubber ( ClassO ) Insulation On Existing Duct After Applying Suitable Adhesive For Nitrile Rubber.The Joints Shall Be Sealed With 50 Mm Wide And 3Mm Thick Self Adhesive Nitrile Rubber Tape Insulation Complete As Per Specifications And As Required. 183 19 Mm Thick 184 25 Mm Thick 185 Internal Duct Acoustic Insulation 186 Supply And Fixing Of Acoustic Lining Of Supply Air Duct And Plenum With 25 Mm Thick Resin Bonded Glass Wool 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 Aluminum Sheet Fixed To Inside Surface Of Ducts With Cadmium Plated Nuts, Bolts, Stick Pins, Cprx Compound Etc.Complete As Required And As Per Specifications. 187 Acoustic Insulation Of Ahu Rooms 188 Supply And Fixing Of Accoustic Lining On Wall And Ceiling Of Ahu Rooms With 50 Mm Thick Density Of 32 Kg / M³ Resin Bonded Glass Fibre Insulation Friction Fixed In 610 Mm X 610 Mm Frame Work Made Of 25 X 50 X 50 X 50 X 25 Mm Made Out Of 0.6 Mm Thickgi Sheet U Shaped Channel And Coveredwith Reinforced Fibre Glass Tissue And Finished With 0.80 Mm Perforated Aluminium Sheet Etc , Complete As Required And As Per Specifications 189 Cable Tray: 190 Supply And Installingfollowing Size Of Perforated Painted With Powder Coating M.S Cable Trays With Perforation Not More Than 17.5% , In Convinient Sections , Joined With Connectors, Suspended From The Ceiling With M.S Suspenders Including Bolts & Nuts , Painting Suspenders Etc As Required. 191 150Mm X 50Mm X 1.6 Mm Thick 192 300 Mm X 50 Mm X 1.6 Mm 193 450 Mm X 62.5 Mm X 2.0 Mm 194 600 Mm X 62.5 Mm X 2.0 Mm 195 Part-2 : Sub Head - C :Split Ac & Vav Boxworks 196 Cable Tray 197 Supply And Installingfollowing Size Of Perforated Painted With Powder Coating M.S Cable Trays With Perforation Not More Than 17.5% , In Convinient Sections , Joined With Connectors, Suspended From The Ceiling With M.S Suspenders Including Bolts & Nuts , Painting Suspenders Etc As Required. 198 150Mm X 50Mm X 1.6 Mm Thick 199 Old Hospital Buildingy- Joints 200 Supply, Installation, Testing & Commissioning Of Of Ref Nut / Y-Joints Brass For Indoor And Outdoor Units Of Suitable Size As Per Requirement. 201 Anticorrosive Coating On Vrv-Idu, Brazing Joints Of Cooling Coil 202 Anticorrosive Coating On Vrv-Odu, Brazing Joints Of Cooling Coil 203 Outdoor Stand Fabrication 204 Supply, Fabrication And Erection Of Angle / Channel / Flat Iron Stand , Hanging Arrangement For Air Conditioning Machines & Ducts Etc.Back / Support Clamps Or Other Similar Work Etc.Including Nuts , Bolts Of Required Size, Making Holes, Fabrication, Welding, Cutting, Etc.And Painting With One Coat Of Red Oxide Paint & Two Coat Of Enamel Paint As Required As Per Specification. 205 Central Controller Forindoor & Outdoor Units 206 Supply, Installation, Testing & Commissioning Of Central Controller Capable Of Controlling Of All Idus, Oduscomplete With Necessary Hardware, Accessories Etc. To Perform The Following Functions: 207 Controlof Idus, Odus Units As Above With Monitoringof Vital Parameterssuch As Temperaturesensing & Setting, On / Off, Status Etc. 208 Permit / Prohibit Function Of Each Remote Controlled Unit. 209 Operation Of Units In Individually Or In Group. 210 Fault Indication With Alarm. 211 The Central Controller Will Be Complete Including All Hardware & Software ( Including Wiring ) Suitable To Perform Above Function. 212 Control & Transmission Wiring 213 Supply, Installation, Testing And Commissioning Of 2Core X 1.5 Mm² Copper Wire In Pvc Conduit As Per Specifications ( For Transmission ) 214 Cabling For Remote Control 215 Supply, Installation, Testing And Commissioning Of 2Core X 1.5 Mm2 Copper Wire In Pvc Conduitas Per Specifications ( For Remotes ) 216 Isolator 217 Providing & Fixing Weather Proof Isolator Near Each Outdoor Unit. 218 Inline Fan ( Fresh Air / Exhaust Air For Air Conditioned Areas ) 219 Supply, Installation, Testing And Commissioning Of Round / Cabinet Type Rectangular Inline Fans With Motor Complete Motor Complete With Tefc Sq. Cage Inductionmotor Suitable For 220 Volts ± 10%, 50Hz ± 3 %, Single Phase A.Csupply Of Class F Insulationwith , Mountings Accessories In Allrespect With Wiring Upto Power Supply Point& Offollowing Capacities As Per Specification And Tender Drawing Mentioned. 220 900 Cfm / 25Mm St.Pr. 221 Propeller Fan ( For Toilet / Pantry Ventilation ) 222 Supply, Erection, Testing Andcommissioning Ofwall Mounted Propeller Axial Flow Fans With Wheater Protection Gravity Louver And Completewith Externalrotor Motor Suitable For 220 Volts ± 10%, 50Hz ± 3 %, 4 Pole, Single Phase A.Csupply Of Class F Insulationwith Supporting Accessories Etc.Of Following Capacity As Per Tender Drawings. 223 300 Cfm , 3 Mm St. Press. 224 Double Skinned Floor Mounted Dx Type Air Handling Units With Inbuilt Starter Panel 225 Supply, Installation Testing & Commissioning Of Factory Assembled / Modular Eurovent Certified Double Skin-Floor Mounted Air Handling Units ( Ahu ) Complete With Double Skin 50Mm Thick Insulated With Rockwool Panel Of 38±2 Kg / Cum Density Sandwiched Between 0.8Mm Thick Alu Zinc Inner & 0.8Mm Precoated Gi Outer Sheets. The Ahu Casing Shall Comply To Eurovent Standard En 1886 For Casing Strength D1, Casing Air Leakage L1, Thermal Bridging Factor Tb2, Thermal Transmittance T2 & Filter Bypass Leakage F9. The Control Wiring And Power Wiring Shall Be In The Scope Of Oem Ahu Manufacture And To Be Carried Out At Factory With Terminations To Marshalling Box. 226 Food Grade Self Adhesive Coated Epdm Gasket To Be Provided Between Panels And Structure Of The Ahu To Ensure The Entire Housing Is Airtight. 10Mm Heavy Duty Gss Base Frame Shall Be Powder Coated For Better Aesthetics, Cleaning And Maintenance. 227 The Ahu Shall Be Supplied With Ahu Blower Fans With Wall Mounted Ec Plug Fan ( Ebm / Ziehl-Abegg ) Complete With External Rotor Bldc Motor & Integrated Electronic Controller, Potentiometer For Speed Control. The Fan Shall Be Suitable For Bms Connectivity. Series Of Multiple Fans Shall Be Considered Depending Upon Capacity Of Ahu’S ( As Mentioned Below ) Ahu Manufacture Should Supply Cover Plate For Fans In Sufficient Quantity For Maintenance Purpose. Ec Fan Incoming Supply To Be Terminated. 228 With Mcb And Shall Be Included In The Power Terminal Box For Electrical Connection Of Ec Fans And Should Be Factory Fitted On The Ahu’S Potentiometer Shall Be Provided In The Marshalling Box For Manual Operation Of Ec Fans. Relay For Auto / Manual Operation Should Be A Part Of Marshaling Box Supplied By The Ahu Manufacture 229 Dx Type Coils 6 Row Deep Suitable For Connecting With Vrv / Vrf . Face Velocity Across The Coils Should Not Exceed 500 Fpm. Cooling Coils Shall Be Constructed From Premium Quality Seamless Copper Tubes 12.5Mm Thickness Dia And Aluminum Fins Of 0.21Mm Thickness Of 12Fpi, As Per Specs, Uv Emitters With Reflectors To Be Fixed On The Coil Surface With Removable Extruded Aluminum Frames. 230 Filters Section Should Be Consisting Of Pre Filter And Fine Filter ( Rigid Bag Type ) In Aluminium Casing. Pre Filter Shall Be With Non Woven Sysnthetic Media Of 10 Micron Article Size With An Efficiency Of 90 % . Fine And Microvee Filter Section Shall Be With Filters Of Non Woven Synthetic Media 3 Micron Particle Size Of Efficiency Of 99%. 231 Ahu Should Have Marine Lamp Including Adequately Rated Led Light Fitting Inside The Ahu Cabinet. Ahu Inspection Door Should Have View Window With Perfectly Sealed Gaskets On Either Side To Ensure Air Tightness. All Ahus Shall Be Provided With Door Limit Switch And Also Door Safety Gi Guard. All Internals Shall Be Powder Coated For Corrosion Resistance. 232 Control Panel To Be Provided With A Rotary Switch To On / Off The Fan Through Manual By Override. Apart From That There Will Be An Option To On / Off Ahu By Controller Keypad And Also From Bms. A Potentiometer With Auto / Manual Switch To Be Provided So An Override Of Fan Speed Through Manual Should Be Possible Main Incoming Mcb, Individual Mcb For Each Fan, Busbar, 1 No. Contactor To Distribute Power To Individual Fan Should Be Provided. A Smps With Terminal Fuse Protected Will Be Used Powering Up The Controller. All Common Alarms Will Be Displayed On Controller 233 Isolators Vibration Isolators Shall Be Provided To All Air Handling Units. The Fan And Motor Framework Shall Be Isolated From The Ahu Framework By Means Of Spring Type Vibration Isolators. The Ahu Shall Be Mounted On 6-Inch-High Pcc Block Suitable For Weight Of The Ahu. The Platform Shall Be 4 Inch Bigger Than The Ahu Frame Size From All Sides. The Framework Of The Ahu And The P.C.C. Block Shall Be Isolated By Means Of Neoprene Mats Of Size 150Mmx150mm In Two Layers With 16G G.S.S. Sheet Sandwiched In Between. 234 Note: The Ahu Shall Have Minimum 2 Nos Ec Fans. 235 Note: Pvc Ports For Dps Tube Connections In Fine Filter Shall Be Provided And Rates Will Be Included In Ahu. 236 4000 Cfm, ( 65 Mm St. Pr, 6 Row Cc ) ( For 5 - Bedded Icu First Floor ) 237 Kitchen Ventilation 238 Dry Scrubber 239 Supply, Installation, Testingandcommissioningofdryscrubbereachcomprisingof Electrostaticprecipitationtechnology, Drytype Aircleanertoremoveoil, Smokeand Fumes From Exhaust Air, As Per The Specifications And As Follows: 240 Electrostaticsectionshallbemadeof16gaugegalvanisedsheet, Highbakeepoxy Powder Coated, Washable Type Aluminium Mesh Filters, Stainless Steel Spiked Ionizers To Createhighvoltagedcfield, Aluminumcollectorplateswhichshouldbealternatively Charged Positive And Negative With Large Collecting Area With 14 Deep Cell, To Work As Magnet For Charged Smoke And Oil Particles. Average Efficiency Of 90-95% In Single Pass As Per Ashrae Test Method. Electrostatic Precipitator Should Be Able To Charge Particles From 0.01 Micron To 10 Microns Through Solid State Power Supply. Collector Cell Should Be Of Permanent Type And Incorporate Slide Out Facility For Easy Removal For Cleaning. Power Supplies Shall Be 100% Solid State Ul Listed, Ce Certified.Thesystemshouldbefittedwith Interlockswitchforsafety.Thesystemshouldallowconnectiontoafansectionto Achieve 500 Fpm Velocity Across The Air Cleaner. 241 The Unit Shall Have Didw Backward Curved Fan For Kitchen Having Amca Certified Blower Including All Necessary Accessories To Complete The Installation. 242 17000 Cfm, Static Pressure 65 Mm Wg 243 Packaged Type Airwasher 244 Supply, Installation, Testing And Commissioning Of Double Skin Weather Proof Packaged Type Airwashers Of 24 Ga G.I., Polyurethen Sandwitched Panelof 32 Kg / M3density And 25 Mm Thickness Construction Fabricated From Precoated Sheet / G.I. Inner Sheet, Blower Housing With Centrifugal Backward Curved Didwblower With Ie-4 Motor, Drive Set, Acetate Paper Cooling Pad Of 90% Effeciency With Cooling Pads Sections Of Stainless Steel Sump And Body, Pump, Water Connection, Aluminum Filters, Fire Proof Canvas Connection, Mounting Base Of Angle Iron / Chennel Etc. Blower & Motorshall Be Mounted On Common Rail Using Cushy Foot Mounting , As Per Specifications And Drawings. 245 19000 Cfm, 50 Mm Static Pressure 246 Part-1 : Sub Head - B :Plumbing 247 Upvc Condensate Drain Piping 248 Supply, Installation, Testing And Commissioning Of Drain Piping Of Hard Upvc Pipe And Fittings, Insulated With 12 Mm Thick Nitrile Rubber. 249 25Mm 250 32Mm 251 40Mm 252 Supplying & Fixing Of18 G Thick Aluminium Extruded Powder Coated Fresh / Exhaust Air Weather Protected Louvers With Bird Screen Type ( With Aluminium Frames If Required ) For Ventilation With 12G Gi Wire Mesh As Per Specification And Sizes Will Be As Per Tender Drawing Mentioned. 253 M.S Work For Making Cat Walkway And Way For Service 254 Part-1 : Sub Head - D : Electrical Works 255 Sub - Panels For Kitchen Ventilation 256 Electric Panel Board ( Main Kitchen Ventilation ) 257 Providing, Fixing, Testing And Commissioningweatherproof Subpanel Boardcubical Compartmentalised, Wall Mounted Made Of1.6Mmthick Steel Sheetduly Painted Complete Withvoltmeter, Ammeter, Indicatinglights For Selectorswitch, Incoming / Outgoingfeederscts Contactors, For Complete Asperspecifications Andrequired. .Note: Panel Shall No / Nc Potential Free Contact And Shall Be Charged Through Fire Panel. 258 Incoming 259 1 No. 100 Amps Tpn 25 Ka Incoming Mccb, 1 No.Digital Type Ammeter , 1 No.Ammeter Selector Switch, 1 No.Digital Type Voltmeter ( 0 - 500 V ) , Voltmeter Selector Switch , 1 No.Phase Indication Light Red , 1 No. Phase Indication Light Yellow , 1 No. Phase Indication Light Blue , 1 Nos Control Mcb - 6 Amp.10 Ka , 1 Nos. Current Transformer 63 / 5A. 260 Bus Bar 261 1 Set 100 Amps Tpn 415 Volts, 3 Phase , 4 Wire Colour Coded Aluminium Conductor Bus Bar Duly Sleeved. ( For Outgoings & Incomings ) . 262 Outgoing 263 2 Nos. 63 Amps Mccb. 25 Ka, 2 Nos.15.0 Kw Star Delta Starter For 1 Nos.Exhaust Scrubber Of22000 Cfm & Packaged Type Air Washer Of 19000 Cfm Capacity 264 1 Nos. 6 Amps Spn Mcb. 10 Ka, 1 Nos. Airwasher Pump 265 Miscellaneous :- Nuts , Bolts , Washer, Ferul Nummbers, Cable Ties, Tie Base, Copper Pvc Control Wire, Power Wire, Copper Thimbles, Panel Locks, I- Hooks, Pvc Tape, Insulators E-Type, L-Type, Round Type, Mcb Channel, Pvc Channel, Connector Channel , Connectors, Foam Ga.Etc.Including All Other Residual Items Required To Complete In All Respect. 266 Sub - Panels For Air Handlers 267 For Ahuwith ( 5.0 Hp Fan Motor ) 268 16A Tpn Mcb For 16 Aahu Starter Panel, Overload Relay, Start / Stop Push Buttons, Phase Indication Lights With Protection Fuse, On / Off / Tripindicationlightswith Protection Fuse, Ammeter ( 0-16 A ) With Single Ct, Single Phase Preventer. Auto Manual Selector Switch. Mcb Shall Be Of 10Ka 269 Controls & Interlocking Accessories As Required. 270 Power & Control Cabling 271 Supplying, Laying, Effecting Proper Termination, Testing & Commissioning Of The Following Power Cable Sizes Of 1.1 Kv - Pvc Inner Sheated, Extruded Pvc Type St2 Sheathed & Galvanised Steel Strips / Wire As Per Is 7908 ( Part-I ) Armoured Aluminium Conductor Cables Conforming To Relevant Latest Amended Indian Standardsas Per Specification Standard. 272 4 C - 6 Sqmm ( Copper - Pvc - Unarmoured ) 273 4 C - 10 Sqmm ( Copper - Pvc - Unarmoured ) 274 3C X 4 Sq. Mm 275 3C X 10 Sq. Mm 276 Earthing Strip / Wires. 277 Providing And Fixing 8 Swg Dia G.I. Wire On Surface Or In Recess For Loop Earthing Along With Existing Surface / Recessed Conduit / Submain Wiring / Cable As Required 278 Providing And Fixing 10 Swg Dia G.I. Wire On Surface Or In Recess For Loop Earthing Along With Existing Surface / Recessed Conduit / Submain Wiring / Cable As Required 279 Part- I : Air Conditioning System 280 Vrf / Vrv Outdoor Ac Unit 281 Supply, Installation, Testing & Commissioning Of Modular Type Variable Refrigerant Flow / Variable Refrigerant Volume Air Cooled Outdoor Units Suitable For Cooling And Heating, Having All Hermatically Sealed Invertyer Type Scroll Cpmpressor ( S ) , Minimum Two Compressors For Above 14 Hp Modules, Microprocessor Based Controller , Top Discharge Type Condensing Unit ( S ) , With R 410 Arefrigerant , Vibration Isolators , With Suitable Foundation Etc.Complete As Required.The Unit Shall Deliver The Rated Capacity At Ahri Conditions And Work Even At 50 °C Ambeint Temperature Without Tripping. The Unit Shall Be Suitable To Work On 400 V+ / -10 % , 3 Phase , 50 Hz Ac Power Supply.The Unit Shall Be Filled With First Charge Of Refrigerant And Ready For Use As Required. The Cop At Ahri Conditions Shall Not Be Less Than 3.1 And Ieer Not Less Than 6.5 . 282 Outdoor Units Shall Have External Static Pressure Of Minimum 75 Pa To Avoid Any Hot Circulation. 283 It Is Mandatory That Each Compressor Shall Have Inverter Technology Separately I.E; Outdoor Units Shall Have All Inverter Based Compressor. 284 16.0Hp 285 10.0Hp 286 Vrf / Vrv Indoor Ac Unit ( Ductable Type ) 287 Supply, Installation, Testing And Commissioning Of Following Minimum Capacity And External Static Pressure Vrf / Vrv Ceiling Mounted Ductable Type Indoor Unit Equipped With Washable Synthetic Media Pre-Filter , Fan Section With Low Noise Fan / Dynamically Balance Blower , Multispeed Motor, Coil Section With Dx Copper Coil , Electronic Expansion Valve , Corded Remote Control, Outer Cabinet, Vibration Isolators , Drain Pan , Other Necessary Supports Etc., Suitable For Operation On Single Phase Ac Supply 230 V ± 10% , 50 Hz Complete As Required.The Unit Shall Have Automatic Force Shut Down Provision In Case Of Fire On Receiving Signal From Bms System.The Cooling Capacity Of Indoor Unit Will Be At Air Inlet Conditions Of 27 Degree C Db And19 Degree C Wb Temperature. 288 Mid Static Ductable Units ( Minimum 45 Pascal External Static Pressure ) 289 2.0 / 2.02 Tr 290 Copper Refrigerant Piping 291 Supply, Installation, Testing And Commissioning Of Including Vaccumiazation And Nitrogen Testing Of Following Nominal Sizes Of Soft / Hard Drawn Copper Refrigerant Piping For Vrv / Vrf System, Complete With Fittings , With Suitable Adjustable Ring Type Hanger Supports , Jointing / Brazing Including Accessories , Insulated With Xlpe Class-O Tubular Insulation / With Class -O Closed Cell Elastomeric Nitrile Rubber Tubular Sleeves Sections Of Specified Thickness As Given Below For Suction And Liquid Lines , All Accessories As Per Specification Etc.As Required: 292 Note:- 1 ) The Copper Piping & Piping Circuit Should Be With Minimum Number Of Joints, Which Shall Be Attained By: ( I ) Using One End Expanded Tubes. ( Ii ) Bending The Tubes Instead Of Using Elbow Joints Wherever 90 Degree Bending Is Required. ( 2 ) Piping Should Be Routed At Site In Such A Manner, That Brazed Joints In The Refrigeration Piping Are Kept To A Minimum. ( 3 ) The Makes Of Tube Fittings Shall Be Same As That Of Tubes. ( 4 ) The Thickness Of Fittings Used Shall Be Same As That Of The Pipe. 293 6.4 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 294 9.5 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 295 12.7 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 296 15.86 Mm Dia ( Od ) ( Soft Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 297 19 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 298 22.2 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 299 25.4 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 300 28.58 Mm Dia ( Od ) ( Hard Drawn ) With Tube Thickness 1.2 Mm With 19 Mm Thick Insulation. 301 Cable Tray: 302 Supply And Installingfollowing Size Of Perforated Painted With Powder Coating M.S Cable Trays With Perforation Not More Than 17.5% , In Convinient Sections , Joined With Connectors, Suspended From The Ceiling With M.S Suspenders Including Bolts & Nuts , Painting Suspenders Etc As Required. 303 150Mm X 50Mm X 1.6 Mm Thick 304 Part-1 : Sub Head - C :Ducting , Grilles & Insulation 305 Rectangular / Square Ducting ( Factory Fabrication ) 306 Supply, Fabrication, Installation, Balancing And Commissioning Of Factory Fabricatedg.S.S.Sheet Metal Rectangular / Round Ducting Complete With Neoprene Rubber Gaskets, Elbows, Splitter Dampers, Vanes, Hangers, Supports Etc. As Per Approved Drawings And Specifications Of Following Sheet Thickness Complete As Required. As Per Smacna Standardsspecifications & Tender Drawings. Ed Rod & Gi Slotted Hannel Including Nut Bolt Fastner Or Ms Angle Plate & Ms Rod Including Nut Bolt Fastner, Sealent ( Neoprene Gasket ) , Access Door Etc. 307 Thickness 0.63 Mm Sheet 308 Thickness 0.80 Mm Sheet 309 Thickness 1.00 Mm Sheet 310 Thickness 1.25 Mm Sheet 311 Fire Dampers 312 Supply, Fixing, Testing & 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 In Built Mechanism And Not Externally Mounted.The Damper Shall Also Be Closed In The Event Of Fire Signal Complete As Required And As Per Specifications. 313 Fire Damper 314 Actuator 315 Grilles / Diffusers 316 Supply & Fixing Of Powder Coated Extruded Aluminium Supply Air Grills With Aluminium Volume Control Dampers As Per Specifications. 317 Supply & Fixing Of Powder Coated Extruded Aluminium Return Air Grills With Louvers But Without Volume Control Dampers As Per Specifications. 318 Supply, Fixing Testing Commisioningof Supply Air Diffusers Of Powder Coatedaluminium With Aluminium Volume Control Dampers With Anti Smudge Ring & Removable Core. 319 Supply, Fixing Testing Commisioningof Return Air Diffusers Of Powder Coatedaluminium Without Aluminium Volume Control Dampers With Anti Smudge Ring & Removable Core. 320 Supply, Installation, Testing And Commissioning Of Gi Volume Control Duct Damper Complete With Neoprene Rubbergaskets, Nuts, Bolts, Screws Linkages, Flanges., As Per Specifications. 321 Insulation Works 322 Supplying And Fixing Of Following Thickness Duly Laminated Aluminium Foil Of Mat Finish Closed Cell Nitrile Rubber ( ClassO ) 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 Complete As Per Specifications And As Required. 323 19 Mm 324 25 Mm 325 Internal Duct Accoustic Lining 326 Supply And Fixing Of Acoustic Lining Of Supply Air Duct And Plenum With 25 Mm Thick Resin Bonded Glass Wool 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 Aluminum Sheet Fixed To Inside Surface Of Ducts With Cadmium Plated Nuts, Bolts, Stick Pins, Cprx Compound Etc.Complete As Required And As Per Specifications. 327 Cable Tray 328 Supply And Installingfollowing Size Of Perforated Painted With Powder Coating M.S Cable Trays With Perforation Not More Than 17.5% , In Convinient Sections , Joined With Connectors, Suspended From The Ceiling With M.S Suspenders Including Bolts & Nuts , Painting Suspenders Etc As Required. 329 150 Mm X 50 Mm X 1.6 Mm 330 300 Mm X 50 Mm X 1.6 Mm
