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| 1 | SITC OF AIR COOLED CHILLERS |
| 2 | SITC ofAir Cooled Liquid chilling Units at rated capacity complete with Multiple Screw compressor technology with Dual refrigerant circuit, air-cooled condenser and chiller.Chiller shall comprise of Twin compressor (Screw Type) powered by an semi-hermetic electric motor with R-134a Refrigerant and drive motor suitable for 415V +/-15%, 3 phase, 50 HZ etc. The chillers shall be with WYE-DELTA closed transistion starter, microprocessor based electrical control panel with incoming disconnect isolator along with door interlock handle., Starter panel must be weather-proof IP55 rated enclosure, BACnet over MSTP compatible system controller with touch pad display, Full charge of refrigerant, refrigerant oil, Acoustic Enclosure for compressors, Security Grilles to protect Compressor, Air cooled Condenser with protective guard, special corrosion resistance coating as per the technical specifications and Cooler, The cooler shall be with flanged end connection for Cooler pipe connections, Internal refrigerant piping connections,Marine Box for Evaporator, Refrigerant service valves (at Compressor inlet & outlet, Condenser outlet) Water flow switch for cooler and mounting frame. The air cooled condensor shall be with anti corrosive coating to protect against corrosion. FOR MORE INFORMATION, PLEASE REFER THE SPECIFICATIONS, THE PRICE SHALL BE QUOTED IN LINE WITH BOTH SPECIFICATION AND BOQ. (2W + 0S) , The condenser Fins Protection shall be with 12 G mesh of SS316. The price shall include all charges towards factory witness testing by TICEL including all tarnsportation,boarding,lodging expenses etc. fot two persons. Kindly refer the technical specification for conditions of load for testing. The load conditions for testing are 100%, 75%, 50% and 25%and testing shall be conducted at AHRI certified test bed.The price of the chiller shall include Main incoming isolator with door interlock handle, Adapter box (IP55 rating). The air cooled chillers shall be installed as per the OEM directions referring to their installation manual. Refrigeration Capacity: 170 TR Actual Capacity at below conditions- Number of Compressor: 2 ; Minimum COP: 3.25 @ AHRI; Outside Dry Bulb Chennai: 39 Deg C (ISHRAE Weather Data Book) ;Outside Wet Bulb Chennai: 28.5 Deg C (ISHRAE Weather Data Book) ;IPLV: 4.50 ; IKW/TR: 1.20;Refrigerant: R-134a ; Chilled-Water Flow: 463 GPM Approx ; Evaporator Entering-Water Temperature: 12 Deg C ;Evaporator Leaving-Water Temperature:7 Deg C ; Evaporator Water-Pressure Drop: As per technical specifications ; Evaporator Fouling Factor: 0.0001 (hr-sqft-Deg F/Btu) ; Electrical Power Input:415V AC, 3 phase, 50 Hz |
| 3 | SITC of Special Mounted Vibration Isolators (Spring Supported) based on the Point load and overall weight of the air cooled chillers which will be installed between the civil bed and air cooled chillers frame work to absorb the vibrations that emanate from the machinery in the vicinity. (Make: GERB) |
| 4 | SITC OF PRIMARY CHILLED WATER PUMP |
| 5 | SITC of Primary Chilled Water Pumps of the capacity & head :470 USGPM -20 Mts H-(Approx). The pumps shall be long coupled , single stage , centrifugal , end suction with backpull out design with bronze impeller only. Hence , the rotating unit can be removed and serviced without disconnecting the suction and discharge piping. The pump and base frame shall be factory assembled at the pump manufacturer’s facility. Installation instructions shall be included with pump at time of shipment. The pump manufacturer shall have complete unit responsibility. The pump shall be balanced statically and dynamically. The pump are constant speed. The noise levelshall not exceed 75 dbA at 2 m from the source. The pump shall be required to meet specification mentioned and per drawings and schedules. The Pumps shall be BMS compatible.. The Pumps shall be as technical specification and Data Sheet. The scope of work shall include Lifting, shifting & positioning of pump at location shown on drawing. Pump Shall becomplete with TEFC squirrel cage induction motor with class \"F\" insulations & efficiency class IE2 of suitable HP, 1450 rpm synchronous speed , IP-55 rated motor operating on 415V +/-10%, 3 Phase, 50 Hz power supply. The duty point of the pump shall be defined in the pump curve. ,Completely (Pump & its components) insulated with Flexible Closed-cell nitrile rubber insulating material and covered with 22G thick aluminium cladding material. The aluminium cladding shall have suitably placed screws to remove the cladding for pump servicing purpose. All external and exposed cast iron parts of pumps have an epoxy-based coating made in a cathodic electro-deposition (CED) process which is high-quality dip-painting process and which would prevent rusting and corrosion.The pump shaft shall not be painted. The Minimum. pump efficiency at duty conditions shall not be less than 75%. The contractor shall Provide necessary tags as per specification. Rate pump for 1600kPa (232 PSIG) minimum working pressure and a continuous water temperature of 45 Deg C (113+Deg F). FOR MORE INFORMATION, PLEASE REFER THE SPECIFICATIONS, THE PRICE SHALL BE QUOTED IN LINE WITH BOTH SPECIFICATION AND BOQ. Note - Total Head Loss given is minimum requirement for the system. Actual Head shall be calculated & confirmed by the vendor post award of the contract. |
| 6 | SITC of Suitable Inertia frame for the primary pumps with spring vibration mounting for the above selection of pumps with required concrete M30 with reinforcement 200 Kg/Cum |
| 7 | SITC OF SECONDARY CHILLED WATER PUMP |
| 8 | SITC ofSecondary Chilled Water Pumps of the capacity & head :540 USGPM -35 Mts H-(Approx). The pumps shall be long coupled , single stage , centrifugal , end suction with backpull out design with bronze impeller only. Hence , the rotating unit can be removed and serviced without disconnecting the suction and discharge piping. The pump and base frame shall be factory assembled at the pump manufacturer’s facility. Installation instructions shall be included with pump at time of shipment. The pump manufacturer shall have complete unit responsibility. The pump shall be balanced statically and dynamically. The pump are variable speed.The Pumps to be capable of providing 10% higher flow rate. The noise levelshall not exceed 75 dbA at 2 m from the source. The pump shall be required to meet specification mentioned and per drawings and schedules. The Pumps shall be BMS compatible. . The Pumps shall be as technical specification and Data Sheet.The scope of work shall include Lifting, shifting & positioning of pump at location shown on drawing. Pump Shall becomplete with TEFC squirrel cage induction motor with class \"F\" insulations & efficiency class IE2 of suitable HP, 1450 rpm synchronous speed , IP-55 rated motor operating on 415V +/-10%, 3 Phase, 50 Hz power supply. The duty point of the pump shall be defined in the pump curve. ,Completely (Pump & its components) insulated with Flexible Closed-cell nitrile rubber insulating material and covered with 22G thick aluminium cladding material. The aluminium cladding shall have suitably placed screws to remove the cladding for pump servicing purpose. All external and exposed cast iron parts of pumps have an epoxy-based coating made in a cathodic electro-deposition (CED) process which is high-quality dip-painting process and which would prevent rusting and corrosion.The pump shaft shall not be painted. The Minimum. pump efficiency at duty conditions shall not be less than 75%. The contractor shall Provide necessary tags as per specification. Rate pump for 1600kPa (232 PSIG) minimum working pressure and a continuous water temperature of 45 Deg C (113+Deg F). FOR MORE INFORMATION, PLEASE REFER THE SPECIFICATIONS, THE PRICE SHALL BE QUOTED IN LINE WITH BOTH SPECIFICATION AND BOQ. Note - Total Head Loss given is minimum requirement for the system. Actual Head shall be calculated & confirmed by the vendor post award of the contract. |
| 9 | SITC of Suitable Inertia frame for the primary pumps with spring vibration mounting for the above selection of pumps with required concrete M30 with reinforcement 200 Kg/Cum |
| 10 | SITC OF CHILLED WATER PIPING |
| 11 | SITC of 250 MM dia & 8MM thick MS \"C\" class pipes insulated with factory insulated with 50 MM thick CFC FREE PUF with a minimum density of 36 Kg/M3& 22G Aluminium cladding as per the technical specifications. The joints insulation shall be carried out at site.The necessary PUF saddle supports to be provided as mentioned in the specification. Kindly refer specifications for more details. |
| 12 | SITC of 200 MM dia & 8MM thick MS \"C\" class pipes insulated with factory insulated with 50 MM thick CFC FREE PUF with a minimum density of 36 Kg/M3& 22G Aluminium cladding as per the technical specifications. The joints insulation shall be carried out at site.The necessary PUF saddle supports to be provided as mentioned in the specification. Kindly refer specifications for more details. |
| 13 | SITC OF BUTTERFLY VALVES |
| 14 | SITC of 250 MM Butterfly valves with PN-16 rating working pressure, Epoxy coatedcast iron body for DN 50 to 300, 15MM-40MM construction shall be forged brass integrally moulded EPDM liner of replacable type, integrally moulded with locking devices, wafer style. Valves above 250 mm and above shall be gear driven. Flanges as per ANSI B16.5 for connections with GI bolt nuts. Please refer technical specifications for complete details and scope & quote accordingly.The insulation thickness shall be same as per the chilled water piping insulation specification. |
| 15 | SITC of 250 MM Butterfly valves with PN-16 rating working pressure, Epoxy coatedcast iron body for DN 50 to 300, 15MM-40MM construction shall be forged brass integrally moulded EPDM liner of replacable type, integrally moulded with locking devices, wafer style. Valves above 250 mm and above shall be gear driven. Flanges as per ANSI B16.5 for connections with GI bolt nuts. Please refer technical specifications for complete details and scope & quote accordingly.The insulation thickness shall be same as per the chilled water piping insulation specification. |
| 16 | SITC OF BALL VALVES |
| 17 | SITC of 50 MM 2-piece socket weldable type Ball Valves designed for Domestic, air-conditioning applications with female thread connections, Carbon steel material-nickel plated, Handle in steel; PN-16 rating as per specification. Please include the cost of insulation wherever required. Please refer technical specifications for complete details and scope & quote accordingly. The insulation thickness shall be same as per the chilled water piping insulation specification. |
| 18 | SITC of 32 MM 2-piece socket weldable type Ball Valves designed for Domestic, air-conditioning applications with female thread connections, Carbon steel material-nickel plated, Handle in steel; PN-16 rating as per specification. Please include the cost of insulation wherever required. Please refer technical specifications for complete details and scope & quote accordingly. The insulation thickness shall be same as per the chilled water piping insulation specification. |
| 19 | SITC OF MANUAL BALANCING VALVES |
| 20 | SITC of 200 MM Manual Balancing Valve designed in such a way for double regulating control and shut off valve with built in pressure drop measuring facility, with Cast-iron body with precise regulation and control, PN 16 pressure rating with flanges as per ISO 7005-2, hand wheel operated, Flow accuracy shall be 5%+/-as per specification.Factory test certificate shall be provided by the OEM at the time of delivery of the units. The Maximum working temperature shall be 120 Deg C, Suitable for chilled water application. The medium temperature shall be -10Deg C -110 Deg C maximum. The stem material shall be ASTM A276, GR SS 410, Stainless Steel Disc. Flanges shall be as per ANSI B16.5.The insulation thickness shall be same as per the chilled water piping insulation. |
| 21 | SITC OF NON RETURN VALVES |
| 22 | SITC of 200 MM Ferrous-Alloy Check valve, Single plate, Flangeless body, rated for PN 16.Flanges as per ANSI B16.5 for connections with GI bolt nuts. Please refer technical specifications for complete details and scope & quote accordingly.The insulation thickness shall be same as per the chilled water piping insulation specifications. |
| 23 | SITC OF Y STRAINERS |
| 24 | SITC of 200 MM PN16 rating; cast-iron/MS body higher than that of the strainer size. Flanges shall be as per ANSI B16.5, Body shall be hot dip galavanized, permanent magnest shall be provided in the strainer to arrest MS particles. Filter shall be non magnetic of 20GSS sheet with perforrations, Catridge will have five different type of filters made out of SS 304 with different mesh sizes as per the specifications, The above shall be replaced during commissioning for a better water quality. The bolt length shall be suitable for fixing lock nut .The complete valve assembly shall be insulated with similar insulation of chilled water piping as per specification. |
| 25 | SITC OF Flexible Bellows |
| 26 | SITC of 200 MM Single Unfilled Arch Bellows with Neoprene tube reinforced with multiple plies of Nylon tire cord with a Neoprene cover and metal reinforcement in the connector with flange. The connector will be a single sphere and furnished with split retaining rings or double unfilled arch with integral rubber flanges and each connector will be single or double sphere with unfilled arches with split rating ring and control unit assembly. |
| 27 | SITC OF Instruments |
| 28 | Thermometers: SITC of Indicating-dial type, 100mm Dia, Stainless steel Case & Stem; Sensing element with Bi-metal strip coiled, IP 65 Protection, Dial with Aluminium black graduation on white background, Pointer with Aluminium black coloured Slotted zero adjustable, Window with Sheet Glass and of length to suit installation,CFF Gasket material, weldable MS coupling and GI nipple (The gauge and nipple connected with GI coupling) Accuracy withPlus or minus 1 percent of range or plus or minus 1 scale division to maximum of 1.5 percent of range, Measuring range 0-50 deg C. |
| 29 | Pressure Gauges: SITC of Indicating-dial type, 100-mm Dial Size, white background with black marking, Case & Bezel: SS304, Bayonet type bezel, weatherproof to IP-67 as per IS 13947, Shatterproof Glass windows; SS316 Bourdon, SS316 Socket, SS304 Movement, 0 – 10 kg/cm³ Range, 1% F.S.D Accuracy, 130% FSD Over Range, Zero Reset Micro pointer (Internal), Blow Out Disc provided (Neoprene) on the top of case, chemical Seal Unit, Top Flange SS316, Diaphragm SS316+PTFE, Bottom Flange SS316+PTFE, Connection 25-mm ANSI 150#RF in SS316, 125 AARH, Filling Fluid Silicone Oil/Glycerine,with SS Tag Plate, Stainless Steel U-Siphon and 13mm Brass body ball valve with weldable MS coupling neatly painted with two coating of zinc chromate paint and finally finished with black paint. |
| 30 | Flow Switches: SITC of General Purpose Flow Switches to prove flow on liquid lines using water, ethylene glycol solutions, or other liquids compatible with brass and phosphor bronze parts with SPDT contact switch,activated by liquid flow through the pipe. The set point shall be adjustable. Weather tight enclosure (IP 55 or higher). Stainless steel Paddle segments shall be removable or trimmed as needed, 20mm MPT connection with matching fittings and weldable couplings. (Approved makes: Siemens, Belimo, Johnson controls, honeywell). Please include the cost of suitable cabling to chiller control panel, in GI flexible conduit. Please refer technical specifications for complete details |
| 31 | SITC OF DRAIN PIPING, AIR VENTS & TEST POINTS |
| 32 | Drain pipe 32 mm: SITC of 6 kg/sq.cm Rated GI \"Class-B\" Drain piping with 25 mm thick Nitrile rubber insulation, wrapped with glass cloth and finished with polyshield coating. |
| 33 | Drain pipe 25 mm: SITC of 6 kg/sq.cm Rated GI \"Class-B\" Drain piping with 25 mm thick Nitrile rubber insulation, wrapped with glass cloth and finished with polyshield coating. |
| 34 | Air Vents: SITC of 25 mm dia Auto Air vents designed to vent automatically with float principle; bronze body and nonferrous internal parts; 1000kPa working pressure; 60 deg C operating temperature as per specification. |
| 35 | Test Points: SITC of Test points of PN16 rating, 6-mm dia, Brass / Bronze body, non returning complete with suitable size socket, Screw cover, pipe nipples/couplings, insulation etc for Pressure & temperature measurement at various locations as per specification |
| 36 | SITC OF MS SUPPORT WORKS FOR CHILLED WATER PIPING |
| 37 | Supply, Fabrication and Installation of Mild Steel for Chilled Water Piping Support as per the drawing. These special supports should be cleaned dust free, duly painted using two coats of primer and two coats of black enamel paint. |
| 38 | SITC OF CHILLED WATER PUMPS STARTER PANELS |
| 39 | SITC of Primary Pump starter Panel with MCCB, Power contactor, Digital metering device, OLR relay, Indication Lamps per the specifications-FOR MORE DETAILS, PLEASE REFER TO THE TECHNICAL SPECIFICATIONS. THE PRICE SHALL BE QUOTED IN LINE WITH BOTH SPECIFICATIONS AND BOQ. |
| 40 | SITC of Secondary Pump starter Panelwith MCCB, Power contactor, Digital metering device, OLR relay, Indication Lamps per the specifications-FOR MORE DETAILS, PLEASE REFER TO THE TECHNICAL SPECIFICATIONS. THE PRICE SHALL BE QUOTED IN LINE WITH BOTH SPECIFICATIONS AND BOQ |
| 41 | SITC OF CABLES with 1.1 KV, Stranded/Solid Copper Conductor, XLPE Insulated, Extruded PVC ST-2 Inner Sheath, Galvanised Steel round Wire /Flat Strip Armoured, Extruded FR-LSH PVC ST-2Outer Sheathed Cable conforming to IS: 7098 Part 1 & End Termination with brass compression gland and Copper lugs of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 kV grade as required. |
| 42 | SITC of 4C X 6 sq.mm cable for Primary Chilled Water Pumps |
| 43 | SITC of 4C X 25 sq.mm cable for Secondary Chilled Water Pumps |
| 44 | SITC of 6C X 1.5 sq.mm cable for Control Wiring |
| 45 | SITC of 1C X 120 sq.mm cable for Chillers |
| 46 | SITC of End Termination for 4C X 6 sq.mm cable |
| 47 | SITC of End Termination for 4C X 25 sq.mm cable |
| 48 | SITC of End Termination for 6C X 1.5 sq.mm cable |
| 49 | SITC of End Termination for 1C X 120 sq.mm cable |
| 50 | SITC OF PRESSURE SENSOR CABLING |
| 51 | SITC of 4C x 1.5 Sqmm 300/500 V, Stranded Tinned Copper Conductor, PVC TYPE-A Insulated, Overall shielded with Al-mylar tape along with 0.5 mm² ATC Drain Wire,Extruded PVC ST-1 Inner Sheath, Galvanised Steel Round wire Armoured, Extruded FR-LSH PVC ST-1 Outer Sheathed Cable Gen. as per IS 1554-1/BSEN 50288-7 |
| 52 | SITC OF CABLE TRAYS with perforated Hot Dipped Galvanised Iron cable tray (galvanisation thickness not less than 55microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I.suspenders including G.I. bolts & nuts, etc. as required The Quoted rates for installation shall including necessary anchor fasteners and supports at required interval etc., to suit site conditions as required. |
| 53 | 50 mm x 50 mm -1.6 mm thick |
| 54 | 75 mm x 50 mm-1.6 mm thick |
| 55 | 100 mm x 50 mm-1.6 mm thick |
| 56 | 150 mm x 50 mm-1.6 mm thick |
| 57 | 600 mm x 50 mm-2 mm thick |
| 58 | SITC OF EARTHING |
| 59 | 8 SWG GI |
| 60 | 25 x 3 mm GI double earth strip |
| 61 | WATER BALANCING |
| 62 | Carrying out Third Party Hydronic (Water) Balancing including detailed report to be submitted both in soft copy and hard copy |
| 63 | EXISTING CHILLED WATER MAIN HEADER LINES ALTERATION |
| 64 | The scope of work shall be taking shutdown with close coordination with client, Draining of water properly into the nearest drain line, Making alteration in the existing chilled water pipe lineand connecting the new proposed chilled water, pressure testing as per standards, complete insulation of old pipes where insulation was removed and new pipes with all required materials and finishing with 22 G aluminium cladding, addition of required valves (New Butterfly valves), refilling of water in the pipe line, removing air lock and checking the system by running the new pumps etc. |
