CE CHZ CHM T 23 2025 26 ADDL ALTN AND REPAIRS OF CENTRAL AC PLANT AT COMD HOSP CHANDIMANDIR

CHILLED WATER SYSTEM Supply, installation, testing and commissioning of of EUROVENT/AHRI certified water cooled Screw Chiller of 225 TR actual capacity complete with semi hermetically sealed Single / Multiple twin rotor type screw compressors, shell and tube condenser and flooded type Evaporator with nitrile rubber insulation, all mounted on steel frame as per OEM specifications, motor shall be of high efficiency suitable for 380-460 volts, 50Hz, 3 phase AC supply, microprocessor based control panel, BMS connectivity provision, including oil separators, pressure relief devices, filter drier, moisture indicators and factory charge of both refrigerant 134a & compressor oil, control safeties and diagnostics display, refrigerant piping, mounting base frame etc. complete as per the specifications and as per following parameters :- Operation Parameters:- (a)Chilled water temperature In - 54.0 F (b)Chilled water temperature Out - 44.0 F (c) Evaporator Fouling Factor - 0.0005 FPS (d) Condenser water temperature In - 90.0 F (e)Condenser water temperature Out - 97.5 F (f) Condenser Fouling Factor - 0.001 FPS (g) pressure drop on evaporator side- less than 8 mtr (h)pressure drop on condenser side- less than 7 mtr (j) Mimimum COP at full load at AHRI Conditions not less than 6 & Chiller shall be 5 STAR Rated as per BEE; Max NPLV (Non standard part load value) - 0.38 KW/TR & Max 0.65 KW/TR as above mentioned parameter / conditions. (k)Twin screw type compressor in semi hermatic construction, complete with automatic stepless type capacity control, safety switches, forced feed lubrication system etc, as per specifications. (l)Lubrication device consisting of automatic electric oil pump, oil cooler, head tank, oil strainer, automatic pressure regulating valve, oil heater, thermal switch etc. as per specifications.

(m) Refrigerant piping fittings, valves, level sensing electronic expansion valves and accessories to inter connect compressor, condenser, chiller and electronic expansion valve. (n) Microprocessor based control panel comprising of Controls including sensors, factory manufactured and tested. All Control function including start up and shut down leaving chilled water temperature Control, Compressor and Electronic Expansion Valve modulation, anti recycle logic automatic Compressor and load limiting. It shall also be equipped with the following protection and monitoring devices. (i) High (Condenser) & Low (Evaporator) pressure protection. (ii) Low oil level & pressure protection. (iii) Chilled/Condenser Water flow loss. (iv) Chiller Water Freeze protection. (v) Sensor error protection. (vi) Motor load control and overload. (vii) High motor temperature protection. (viii) High oil temperature protection. (ix) Chiller inlet and outlet Water temperature. (x) Condenser inlet / Outlet water temperature. (xi) Suction and discharge Compressor pressure. (x) Microprocessor based control panel shall have suitable hardware & software as per OEM so that it can be integrated directly with standard communication open protocol using backnet / Modbus as well as open IP. (xi) DP switches at inlet and outlet of condenser & chiller, water drain & air purge valves, cable termination box, as required. (xii) suction line and chiller insulation with minimum 19 mm thick polyvinyl nitrile rubber insulation. (xiii) frame work for mounting the above condenser, chiller, compressor and motor with base plate complete with antivibration pads/ springs as per OEM design. (xiv) Initial/ first charge of refrigerant gas & compressor oil duly charged at factory. (xv) RCC/Cement concrete foundation for equipment as per OEM design.

Hot Water Generator For Winter Heating Supply, installation, testing and commissioning of electrically operated Hot Water Generator Capacity : 350 KW (For Winter Heating) of efficiency more than 90% of given capacity in multiple bank, Water temp inlet 113F & outlet temp. out at 122 F with required flow rate complete with PLC based microprocessor controls, electrical panels, stainless steel braided pipe flexible connector etc. The pressure Vessel shall be constructed as per ASME (American society of mechanical engineering) standards and insulated on all sides with 2 layers of 50 mm thick fiber glass of density 32 kg/cum & K value as per ECBC (Energy conservation building code) standards with 0.32 mm thick Aluminum cladding as per OEM. The hot water generator shall be equipped with all automatic and safety controls such as manual reset, high temperature water outlet, microprocessor based step controller with thermistor sensor to control HWG in stages and recycling relay, on/off switch type thermostat, pilot light, low water cut off and other controls as per manufacturers recommendations. All basic controls and terminals shall be located in an integral control cabinet factory wired and tested. The hot water generator shall be suitable for 415±10%volts/50 cycles per second, 3 phase power supply. The entire hot water generator shall be factory assembled and tested. It shall be BMS compatible with RS-485 communication port. Cost for suitable PCC/RCC foundation ( PCC foundation in PCC (1:2:4) type B-1 using 20 mm graded stone aggregate 30 cm above floor level including making connection of inlet & outlet with fittings including nut,bolts,packing etc. with plaster, Anti vibration arrangement of cushy foot mountings is deemed to be included in overall quoted rates.

The integrated plant automation and optimization controller shall essentially be able to perform the following functions : a. Manual or automatic control system b. Schedule start/stop c. Duty cycling d. Automatic lock-out of malfunctioning equipment e. Backup sequences of control for any sensor failure f. Automatic temperature control g. Primary pumps control to satisfy zones demand h. Control sequences for dedicated and for headered pumps i. Control sequences for dual dedicated pumps with options for duty/duty, duty/standby and lead/lag operation j. Optimized sequencing of the Chilled Water pumps k.Control sequences for parallel sensorless and zone sensors distribution pump speed control options. l. Maintain minimum flow through the Chiller m. Constant flow Condenser pumps n. Zone setpoints reset based on most open load valve o. Optimized and independent sequencing of chillers based on cooling demand p. Sequencing of chillers override to prevent exceeding their kW rating and FLA q. Supply temperature setpoint reset r. Load shedding / Demand limit s. Scanning and alarm processing t. Graphic screen reporting u. Trend Logging Complete in all respect for above mention equipment Temperature Sensors, Flow sensor/ Flow meter, Outside Air Temperature Sensor ,Differential Pressure Sensors ,Control Cabling etc complete for fully functional.

COOLING TOWERS WITH VFD Supplying, installing, testing and commissioning of CTI (Cooling technology institute) /JCI (Japan cooling tower institute) Induced draft FRP Cooling tower with IP55 VFD for fans with mentioned below heat rejection capacity with FRP Water basin, multiple cell, PVC filling with integral louvers and drift eliminators complete with hot water basin either fitted with spray nozzles or having self rotating sprinklers, statically and dynamically balanced axial flow type fan-direct driven or driven through reduction gear box with TEFC induction motor VFD controlled, efficiency class IE3 efficient, the cooling tower shall be compatible with suction screen, make-up, quick fill arrangement, overflow and drain connections with necessary valves, suitable inspection ladder, access arrangement for cooling tower interior, masonary supporting structure, anti-vibration mountings etc. complete as per OEM specifications and as required. The scope of work shall include lifting, shifting & positioning of cooling tower and MGS girders for transfer the load of cooling tower to the column. Cooling tower shall be as per minimum technical specification mentioned below- Summer - 110 ⁰F Dry bulb, 75 ⁰ F Wet bulb Monsoon - 95.1 ⁰F Dry bulb, 80.1 ⁰F Wet bulb Inlet temperature of Condenser - 90 ⁰ F Outlet temperature of Condenser - 97.5 ⁰ F FLOW-900GPM Heat rejection -300 TR/ 900000 kcal/hr Note :- The cooling tower shall be compatible as per international norms and prevailing weather conditions at Chandimandir cantonment (WC) and plant total capacity.

Primary Chilled Water Pumps Set Supply,installation , testing and commissioning of Vertical inline long coupled pump with Integrated VFD mounted on a common base with electric motor for re-circulation of water for the central air conditioning system. The pumps shall be Long coupled with CI casing, SS (304)/ Lead free cast bronze impeller, high strength steel shaft (SS 416) . All external and exposed cast iron parts of pumps shall have an epoxy-based coating made in a cathodic electro-deposition (CED) process. The pump shall be PN 16 rated and shall be with outside type mechanical seal. The pump motor shall be suitable for 415±10% volts,50 cps,3 phase AC power supply of minimum IE3 efficiency class. Motor shall be TEFC (Totally enclosed fan cooled) squirrel cage, Class F insulation,1500 RPM Pump, base, coupling, OSHA compliance coupling Guard and motor shall be factory assembled adjustable & complete all as specified and directed. The capacity of motor shall be at least 10% in excess of BHP requirement of pump. The cost for pump foundation, suitable support/mounting arrangement including making connection of inlet & outlet with fittings including nut, bolts, packing etc. with plaster work deemed to be included in overall cost, Antivibration arrangement of cushy foot mountings are deemed to be included in this item cost.The pump shall be provided with motor mounted and factory integrated IP55 VFD. The pump VFD shall display all critcal parameters like amps, volts, frequency, dynamic flow and head of each operating pump. Suction guide to be provided by pump manufacturer for each unit. Pumps shall be BMS compatible. Pump rating shall be PN 16.

Variable Speed Pumping System controller for Variable Chilled Water water Pump The variable speed pumping system shall consist of Variable frequency drive (VFD) one for each pump and each VFD shall be pump mounted/stand alone with build in AHF for control THDi less than 5%. VFD Shall be capable of displaying operating head and flow for better and precise control. 1 No. of microprocessor based pump controller housed with in the enclosure of one of the VFD. The pump logic controller shall be enclosed in an IP55 protection enclosure and shall not be mounted on the VFD for better reliability & redundancy. Controller shall come with pumping software duly downloaded & single / multiple differential pressure sensor / transmitters/ Sensorless controls for each secondary zone as per the site requirement. Suitable for operating 5 Nos.Variable Chilled Water Pumps at same time complete all as specified & directed.

Supply, installation, testing and commissioning of closed expansion tank of capacity 1000 Ltrs made of 3mm thick MS sheet construction as per standards with interchangeable EPDM-BUTYL rubber membrane. The expansion tank shall be complete with safety relief valve and pressure gauge. The tank will be of pressure rating to suit the system pressure and will be sized to adequately compensate for water expansion due to operating temperature variations. The tank shall be fabricated as per ASME and shall be ASME stamped for 250 PSIG operating pressure. For chilled water application, it will be insulated with PU foam 50 mm thick insulation to the specifications and cladded with 18 G-aluminum cladding.

Supply, installation, testing and commissioning of pressurisation unit shall be vertical multi-stage pumps of cap flow 2CMH (52 MWWC) and 30 mtr head, factory mounted on a steel frame along with interconnected piping, valves, strainer, pressure gauge, pressure transmitter, flow meter to measure the make-up water quantity, control panel with duty cycling and dry-run protection, electrical relays/contactors and interconnecting wiring:The unit shall be capable of Pressurising the system to the required pressure with suction from a break-tank located at least 1m above pump level.

Supply installation testing and commisioning of Deaerator-dirt separator, flanged connections, complete with brass drain valve 1” flange dia suitable for 300 mm dia pipe complete with a set of concentric metal mesh surfaces to create the swirling motion required to facilitate release of micro-bubbles and dirt to the surfaces. It shall consists of following :- 1. Epoxy resin coated steel body. 2. Brass automatic air vent valve. 3. Stainless steel internal element. 4. PP float valve. 5. Brass float guide and stem. 6. Stainless steel float lever and spring. 7. EPDM hydraulic seals. 8. Medium water and non-hazardous glycol solutions, 9. maximum percentage of glycol 50%. 10. Maximum working pressure 10 bar. 11. Working temperature range 0–110°C. 12. Particle separation down to 5µ. 13. Working temperature range 0–100°C. 14. Floor brackets as per site requirement.

All per Srl item no. 12 above but with brass drain valve 2" Flange dia for 125 mm dia pipe complete all specified and directed.

AIR HANDLING UNITS (AHU) -With VFDs Supply, Installation, testing and commissioning of factory fabricated double skin type AHRI/ EUROVENT Certified Air Handling Units (BMS compatible) AHU Construction:-It shall be made out of 0.8 mm pre -coated Galvanized steel sheet outside & 0.8 mm plain steel sheet inside with 40 mm thick PUF insulation factory injected between them by injection moulding m/c, with density not less than 40 kg/Cum between them with casing and base frame. Drain pan (made out of 1.2 mm stainless steel (SS Grade 304) sheet insulated with 19 mm thick outside closed cell insulation nitrile rubber with thermal brake profile. Necessary foundation & anti vibration pads shall be provided as per OEM & cost for the same shall be included in overall quoted rates. 1) Filter section consisting of pre filter & fine filter in aluminum casing .Pre-filter section shall be with non woven synthetic media of 10 micron particle size with an efficiency of 90%, fine/ microwave filter section will be with filters of non woven synthetic media of 3 micron particle size of efficiency 99%.The quoted price shall also include VCD, pressure differential indicator across Fine filters with audible and visual alarms. 2) Floor mounted AHU with Plug Fans with aerofoil profile blade (with min.70% efficiency) with motor (VFD compatible) DIDW fan for CS AHU ,volume control damper and duct flexible connection. The supply fan shall be provided with variable frequency drive and input / output signal compatible to BMS system. Squirrel cage induction motors suitable for 415 ± 10% volts, 50 Hz, AC supply & high efficiency (IE-3 Efficiency), including suitable size of motor as per required CFM.All floor mounted AHUs will have UV elements for coils. AHU shall be without thermal break profile with internal coving. 3) Discharge Plenum Section complete with provision of Laminar Air Flow (LAF) system direct flow from ceiling to floor. The flow passing over head and upper body of surgeon and assistant made out of aluminium powder coated made of 16SWG, particle size retention of 0.3 micron , PLENUM size 8'x6' complete with HEPA filters of size 610 x610 x 305 mm and SS-304 perforated grilles having minimum 50% perforation entry of air to housing shall be from side center of plenum shall be blanked off for lightning provisions for OTs only.

All as per srl item no 13 & 13.01 above, but for AHU of cap 20500 CFM, 47TR, 12.5 HP MOTOR, 60 mm Sp, 4-6 RD cooling Coil + 2 RD heating coil with minimum 300m gap between the coil complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 4200 CFM with 110 mm static 20.0 TR, 7.5 HP MOTOR, 4 RD cooling Coil + 2 RD heating coil , Exhaust Fan of 3400 CFM of 80 mm static (Major OT) with HRW (Heat recovery Wheel) with plenum section complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 2200 CFM 5.0 TR, 55 mm Sp, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 13 & 13.01 above, but AHU of cap 2500 CFM 6.0 TR, 55 mm Static pressure, 4 RD cooling Coil +2 RD heating coil complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 3000 CFM 8.0 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 3500 CFM 9 TR,55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 4000 CFM 10.0 TR,55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 4500 CFM 10.0 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 5000 CFM 12.0 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil complete as specified and directed.

All as per srl item no 13 & 13.01 above, but AHU of cap 5500 CFM 13.0 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 13 & 13.01 above, but AHU of cap 6000 CFM 15 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 13 & 13.01 above, but AHU of cap 6500 CFM 15 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 13 & 13.01 above, but AHU of cap 7000 CFM 16 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 13 & 13.01 above, but AHU of cap 7500 CFM 18 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 13 & 13.01 above, but AHU of cap 8000 CFM 20 TR, 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 13 & 13.01 above, but AHU of cap 8500 CFM 21 TR, , 55 mm Static pressure, 4 RD cooling Coil + 2 RD heating coil

All as per srl item no 14 above, but for 600 CFM (1.5 TR), complete all specified and directed.

All as in above of srl item no. 14 above, but for 800 CFM (2.0 TR), complete all specified and directed.

All as in above of srl item no. 14 above but for 1000 CFM (2.5 TR), complete all specified and directed.

All as in above of srl item no. 14 above but for 1200 CFM (3.0 TR), complete all specified and directed.

Supply, installation, testing and commissioning of Class 100/ISO class 5 as per international standard & meets DIN 1946-4. D.O.P. tested point to point scanned MINIPLEAT 600x600x305mm HEPA FILTERS to be fixed in terminal and SS-304 perforated grilles having minimum 50% perforation entry of air to housing shall be from side center of plenum shall be blanked off for lightening provisions.

Supply, installation, testing and commissioning of the UVGI unit to be fitted downstream (supply air side) portion of Chilled Water coil (for Cooling Coil Treatment & to Improve Indoor Air Quality ) with Reflector, lamp status display, audio-visual lamp failure alarm , lamp lifetime counter, lamp replacement reminder & SS stand.UVGI System shall be designed with scientifically developed UV sizing software in reference with CFD analysis & generate a report to prove the UV delivery of designed intensity.UVGI system for disinfection shall utilize high output UV lamp. The parabolic reflector shall be of semi circle Shape to utilize 100% of UV & its material of construction will be Anodized Aluminum. The electrical control system should utilize high frequency electronic ballasts and provide efficiency of more then 90%. System shall have a Dry Contacts or 4-20 mA output shall also be provided for BMS compatibility. Control Power panel with necessary wiring & cabling to UVGI system upto 15 metre length shall be inclusive in the quoted rates.The UVGI System shall have ETL certification. UVGI system shall be provided for Air capacity 3000 CFM for AHU.

All as per srl item no. 19 above but of capacity 2000 CFM AHU complete all as pecified and directed.

PIPING WORK Insulated Chilled Water Piping Supplying, laying/ fixing, testing and commissioning of black steel pipe 300 mm dia heavy class as per IS: 3589 with 32 mm thick insulation and 6.35 mm thick MS sheet for chilled water piping (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 2 mm thick closed cell elastometric nitrile rubber of minimum 40-55 Kg /cum density, insulation material shall be resistant to growth of Fungus as per ASTM C 1338 and resistant to growth of Bacteria as per ASTM E 2180,thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class 'O' insulation, with reinforced 7 mil woven glass fiber covering applied by suitable adhesive, complete including cutting , chasing and making good the disturbed surfaces as specified and directed.

All as per srl item no.20 above but for 250 mm dia complete all as specified and directed.

All as per srl item no.20 above but for 200 mm dia complete all as specified and directed.

Supplying, laying/ fixing, testing and commissioning of MS class 'C' pipe 150 mm dia heavy class as per IS: 1239, 32 mm thick insulation for chilled water piping (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 2 mm thick closed cell elastometric nitrile rubber of minimum 40-55 Kg /cum density, insulation material shall be resistant to growth of Fungus as per ASTM C 1338 and resistant to growth of Bacteria as per ASTM E 2180,thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class 'O' insulation, with reinforced 7 mil woven glass fiber covering applied by suitable adhesive, complete including cutting , chasing and making good the disturbed surfaces ,complete all as specified and directed.

All as per srl item no. 21 above but for 125 mm dia complete all as specified and directed.

All as per srl item no. 21 above but for 100 mm dia complete all as specified and directed.

All as per srl item no. 21 above but for 80 mm dia complete all as specified and directed.

All as per srl item no. 21 above but for 65 mm dia complete all as specified and directed.

All as per srl item no. 21 above but for 50 mm dia complete all as specified and directed.

All as per srl item no. 21 above but for 40 mm dia complete all as specified and directed.

All as per srl item no. 21 above but for 32 mm dia complete all as specified and directed.

All as per srl item no. 21 above but for 25 mm dia complete all as specified and directed.

Providing and fixing aluminium sheet cladding of minimum 0.71 mm thickness (22 SWG) over pre-insulated chilled water pipe (Supply and return), including necessary overlaps, joints sealed with weatherproof silicone sealant, and fixing with aluminium bands or stainless steel screws, all as specified and directed.

All as in above srl item no.24 above but 200 mm dia Lever Type complete all as specified and directed.

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敄楳湧琠敨攠瑮物⁥central air-conditioning system with following components- (a) Chilled water system (b) Hot water generator (c) Plant automization and optimization controller (d) Cooling tower (e) Condenser water pump, Primary chilled water pump, secondary chilled water pump & Hot water pump (f) Air handling unit & FCU LHVAC Panel with 02 nos ACBs 2000 Amp, Bus bar 2500 Amp along with sub PanelstFCUs along with Control Valves 25 mm-26, 20 mm-16, and all connected items of capacity 3TR-02 2TR-24 & 1.5 TR-16 AHUs floor and ceiling mounted complete along with Control panel, Heater strips, Auto air vents,Thermostat box,DIDW Fan, PUF Panel, Blower Motors, Humidistat and humidifier,air jet diffuser,ceiling diffuser, VFD 15 HP,VFD 7.5 HP,VFD 5 HP,Thermostats etc of following capacity :- 7100 CFM-09,4650 CFM-01, 4500CFM-02,4000 CFM -01, 7600 CFM -01,4700 CFM-02,5600 CFM-01, 12700 CFM- 03, 5600 CFM-03, 5800 CFM-01, 6000 CFM-01, 1200 CFM-01,12500 CFM-01, 6500 CFM-01, 6800 CFM-01, 6200 CFM-01,4760 CFM-01, 7200 CFM-02, 600 CFM-03, 5000 CFM-04 5
LT Cables aluminum/ copper of following sizes:- 3.5X 400 SQMM- 89 RM, 3.5X 300 SQMM- 230 RM, 3X 35 SQMM- 300 RM, 3.5X 25 SQMM- 311 RM, 3X 16 SQMM-600 RM, 4X 10 SQMM- 1342 RM, 4X6 SQMM-408 RM, 5X 1.5 SQMM-2376 RM, 4X 1.5 SQMM-965 RM, 2X 1.5 SQMM-710 RM, 6X 1.5 SQMM- 892 RM, SHIELDED CABLE 2 X 1.5 SQMM- 40 RMÌCable trays of following sizes - 1000 MMX 75MM X 2MM- 35 RM, 150MM X 40MM X 1.6 MM- 472 RM, 600MM X 75 MM X 2 MM-50 RM, 300MM X 75 MM X 2 MM- 32 RM, 150MM X 75 MM X 2 MM- 45 RM, 300MM X 40MM X 2MM- 90 RMSCooling Tower 300 TR with water tank and motors and connected pipes and equipments.ISOLATORS 32 AMP0Heat Pump Motor with Hot water generator 350 KW ¤
MS Class 'C' Condensing and chilled water pipes with and without insulation 300 mm dia- 112 RM, 250MM DIA- 401 RM, 200 mm dia- 214 RM,150MM DIA- 490 RM, 125 MM Dia- 178 RM, 100 MM DIA- 408 RM, 65 MM DIA-446 RM , 80 MM Dia- 890 RM, 50 MM DIA- 738 RM, 40 MM DIA- 400 RM, 32 MM DIA- 85 RM, 25 MM DIA- 185 RM, 20 MM DIA-65 RM and GI Class B Pipes 50mm dia- 165 RM, 40 MM DIA- 410 RM,25 MM DIA- 602 RM, 20 MM DIA- 193 RM
Ducting with insulation and cladding 24 Gauge GSS - 1561 RM &22 Gauge GSS- 1817 RM, 22 Gauge Aluminium- 633 RM, 20 Gauge Aluminium- 1015 RM including following items- i) inline duct fans AIR Qty 300 CFM STATIC 6 MM- 06, ii) AIR Qty 400 CFM STATIC 15 MM-03, iii) DIRECT DRIVEN PROPELLER FAN 900 RPM-20, iv) Air Grills 52.34 Sqmtr, v) Fire damper- 15 sqmtr vi) CEILING DIFFUSER-144 SQMTR, vii) AIR LOUVERS-70 SQMTR, viii) ACOUSTIC LINING 15 MM THICK- 115 SQMTR, ix) EXTERNAL THERMAL INSULATION 15 MM THICK- 16 SQMTR, x) EXTERNAL THERMAL INSULATION 13 MM THICK-4000 SQMTR, xi) NITRILE RUBBER INSULATION 6 MM THICK 50 MM DIA- 24 RM, xii) 40 mm dia- 164 RM, xiii) 25 mm dia- 217 RM, xiv) 20 mm dia-40 RM. Note:- All the above said items dismantled and kept separately.Å6g
Y strainer 200 mm dia-05 Nos , 150 MM DIA- 10 Nos, 100 MM DIA- 03 Nos, 65 MM DIA- 18 Nos, 50 MM DIA- 34 Nos, 40 MM DIA- 13 Nos,25 MM DIA- 03 Nos , Ball valves set with and without strainer-42 Nos, baLL VALVES 32 MM DIA- 03 Nos, 25MM DIA-51 Nos,BALL VALVE SET WITH AND WITHOUT Y STRAINER 25 MM DIA- 26 Nos, 20 MM DIA- 16 Nos complete all specified and directedöChiller Plant 225 TR, primary water pump set 540 USGPM 10 HP, condenser water pump 900 USGPM 40 HP, secondary water pump 540 USGPM 20 HP and inside connection pipes, FLOW SWITCH- 08 and electric connections complete all as specified and directed. ThermometersPressure gauges‰MS Expansion tank of size 1.5 m x 1.5 m x 1.5 m( 01 Nos) and size 1.0 m x 1.0 m x 1.0m ( 01 Nos) complete all as specified and directed.tValves of different sizes and types 2 way motorized valve 65 mm- 02 Nos, 50mm- 20Nos, 40mm- 23Nos, 32mm- 13Nos, 25mm- 01Nos,3 way motorized valve 40mm- 04Nos,Butterfly valve 250mm dia- 02Nos,200mm dia- 32Nos, 150mm dia-30Nos, 125mm dia- 41Nos,100mm dia- 19Nos, 80mm dia- 27Nos, 65mm dia-42Nos, 50mm dia- 82Nos, 40 mm dia 32Nos, -307Nos,Ball valves- 54Nos, Balancing valve 200mm dia- 05Nos, 150MM DIA- 05Nos,100 MM DIA- 03Nos, 80 MM DIA- 02Nos, 65 MM DIA- 18Nos, 50 MM DIA- 35Nos, 40 MM DIA- 13Nos, 25 MM DIA- 02- 83Nos, check valve 200 mm dia- 05Nos, 150 MM DIA- 10Nos, 125MM DIA- 03Nos complete all as specified and directed.{Earthing strip 50mm x 6 mm-170 RM, 25MM X 6 MM- 300 RM, 8 SWG COPPER Wire- 700 rm, complete all as specified and directed.8 DISMANTLING OF EXISTING CHILLER PLANT Dismantling of existing central AC Plant 5x 225 TR, Electric LT panels,Control panels, AHUs with connected accessories, Condensing Pump, Primary Pumps, Secondary Pumps, Heating Pumps, complete laid ducting for AC Plant, complete laid piping for AC plant, electric UG cables, electric wires any type and earthings with earthing strips complete all deposited to MES store as per following :- (NOTE-Items described in serial item no. 226 & 226.01 to 226.17 will be dismantled by contractor and will be deposited in MES store/yard.)& ­
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Supplying, fixing, testing and commissioning of 150 mm dia size Motorized Butter fly Valve with CI Body, SS Disc,O - ring and minimum PN-16 pressure rating , conforming to BS 5155, IS 13095, with IP-55 actuator, capable of accepting upto 10V DC , and upto 20mA electric signal and providing similar transduced feedback output to control system complete all as specified and directed.

Balancing Valve 150 mm dia with built in measuring facility with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified.

Providing, fixing, testing & commissioning of resilient rubber lined double arch vibration eliminator expansion bellow 100 mm dia suitable for raw water up to 45 deg. C temperature to provide relief from stresses at pipe flanges. It shall be complete as per manufacturer's specifications & as directed (PN 16 rating).

Providing and fixing brass Auto air vents ,complete all specified and directed.

Providing and fixing in position water flow switch ,complete all specified and directed.

Supplying, Fixing,testing and 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 inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as specified and directed.

Supplying, Fixing, testing and commissioning of Actuator in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring complete all as specified and directed.

Supply, installation and balancing of extruded aluminium powder coated air louvers complete with aluminium wire mesh bird screen as specified.

Supply installation testing and commissioning of (variable air volume) VAV BOX-0-500 cfm complete with leakage proof damper, differential pressure sensor, motorized al constructed damper, actuator, thermostat with temperature sensors,24V power supply and controller capable to accept analogue /digital signal from thermostat.

Supplying and fixing 19 mm thick closed cell Nitrile rubber (Class "O") duly laminated aluminum foil of mat finish with insulation on 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 specified and directed.

MS Cable Trays Supplying and installing size 150 mm width X 50 mm depth X 2.0 mm thickness of perforated painted with powder coated M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required.

VENTILATION SYSTEM Supply, installation, testing and commissioning of ducted Inline Fan 1100 CFM of GSS construction duly powder coated (rectangular box type for 20 mm WG SP and circular type for 10 mm WG SP) with centrifugal blower and motor encased in sheet metal casing, canvas connection etc. The Fan motor shall be suitable for operation on 220 V± 10%, 50 Hz, 1 phase AC supply. The Fan assembly shall conform to specifications and in accordance with requirements of drawings and Schedule of Quantities.

Maintenance free chemical earthing with specifications given as follows;- (a) Copper earth rod of minimum size 17.2 mm dia x 3 mtr long, ISI marked and IEC 62561-2: 2018 certified. (b) Fixing of copper strip of size 32 x 6mm with connections to the earth electrode using exothermic welding. (c) Use of excel electrofill plus compound (IEC 62651 - 7 : 2018 certified) mixed with soil having adequate moisture retention capability to a depth of approx one meter from the bottom of pit. (d) Addition of carbon based RoHS & TCLP - certified electrofill compound (high conductivity), mixed with soil and water to form a slurry and filled upto 35 % of the pit depth above the base compound layer . (e) Add gravel at the top of the portion for easy passage of water and removal of air bubbles at the time of filling of electrofill plus excel compound is necessary for easy dissipation of fault current. (f) Fixing of PVC Earth pit chamber of size 24cm x 24cm with M-8 SS-304 grade nut and bolt all as specified and directed. (g) FRP Earthing display board 254 x 380mm made out of plastic material showing information related to type of earthing, earthing result, due data of plastic hollow pipe 20 mm dia. Note :- Cost of earthing and excavation included in quoted rate. (h) Earthing System including earth strips / cables etc for earthing of chiller plant and panels etec as per latest IS/MNRE norms to be provided and the cost of the same is to be included in overall cost , no extra amount will be paid to the contractor on this account.

Boring of hole under roads, hard stranding, pavements by trenchless technology using ultra sounding technique and necessary machine including 150 mm dia HDPE Pipe suitable for 0.4 Mpa pressure complete all as specified and directed.

Each Set

Supply & fix of rotational moulded polyethylene water storage tank 2000 Ltrs capacity cylindrical with closed top hoisted and fixed in position all as specified in SSR Part-I complete all as specified and directed

DDC Controller: UL and BTL IP Automation stations / IP DDC Controller having Dual Ethernet Port. The controllers shall be 32 bit microprocessor based standalone with real time clock. The DDC's shall be capable of peer to peer communication with other DDCs with locable MS mounting cabinets duly powder coated connector strip, internal wiring and space to house controller & relays,connector strip current transformer, MCB, internal wiring. (Contractor shall confirm his I/O provision w.r.t requirement on basis of datapoint). DDCs requiring more than 7 additional Plug in type IO Module cards or expansion modules to suffix the requirement of required inputs/outputs are not acceptable. Use of AI to DI multiplexer is also not acceptable. DDCs shall be compact factory fitted with IO Points. DDC controllers shall have provision for 15% IO points

Plant Room

Cooling Tower

2 FM AHU/ Controller

4 Axial Fans/ Controller

Hot Water System

Plumbing + Fire Fighting

HT/ LT System

Differential pressure switches for indicating the Blower & Filter status in Air as per technical specification.

Differential pressure switches for pump status as per technical specification

Duct mount Temperature sensor as per technical specification

Outside Air Temperature & Humidity Sensor as per technical specification.

Duct mount CO2 sensors.

Immersion type temperature sensor for Chilled Water temperature.

Bi-level switch for Hi-Lo level monitoring

Water pressure Transmitter

Water Differential Pressure Transmitter

Current relay

Water 1- Point Level Switch

CO Sensor

4 x 1.0 sq.mm Annealed Tinned Copper Shielded unarmoured cable for signal and power as per specification. (for I/O points hard wired to DDC) along with PVC Glands, PVC Ferrule & Thimble

CAT 6 23 AWG Unarmoured cables with required accessories like RJ45 connector etc along with PVC Glands.

3 x 1.5 sq.mm Annealed Tinned Copper Shielded unarmoured cable for signal and power as per specification. (power Cable) along with PVC Glands, PVC Ferrule & Thimble.

MS Conduit 25 mm Dia

MS Conduit 20 mm Dia

Supply and laying tubing galvanised, "Medium" grade 40 mm bore including all fittings laid in trenches or floor,complete all as specified and directed.

EXTERNAL ELECTRIC SUPPLY

Supply and laying,testing under ground XLPE PVC insulated,galvanised steel strip or wire, armourred,heavy duty electric cable with aluminium conductor,1100 volts grade, cross-sectional area 500 sq mm, 3.5 core, complete all as specified and directed

Boring of hole under roads, hard stranding, pavements by trenchless technology using ultra sounding technique and necessary machine including 150 mm dia HDPE Pipe suitable for 0.4 Mpa pressure complete all as specified and directed.

Taking down carefully copper/ aluminum point Wiring light/ fan/ bell/ socket/ power complete including conduit fittings and making good the disturbed surfaces of Walls/ floors/ ceiling complete all as specified & directed.

One light point controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One 5 Amp socket outlet point on independent board controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One 5 Amp socket outlet point on same board controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

Per Point

One light point controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

One 5 Amp socket outlet point on same board controlled by modular switch 6 Amp, single pole, one way, one module, 240V, complete all as specified and directed.

Per Point

Supply and fixing ceiling fans complete with blades, down rods, electronic regulator and accessories, 230 V, 1200 mm sweep. Min air delivery 210 CFM with service value 6.00, BEE Five star rated, with brushless direct current motor (BLDC) complete all specified and directed.

Submain wiring with 2 runs of single core 4.0 sqmm PVC insulated unsheated multistranded 1100 volts grade FRLS copper conductor drawn through and including ISI markes PVC conduit and conduit accessories of medium grade not less than 20mm dia including one run of single core 4.0 sqmm dia FRLS PVC insulated unsheated multistaranded 1100 volts grade copper conductor cable as earth continuty conductor along with the wiring and connected from Submain DB/main board to Metal clad socket complete all as specified and directed. NOTE:- (i) Two runs of 4.0 sq.mm copper conductor, one runs of 4.0 sq.mm copper earth continuity conductor shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

Submain wiring with 2 runs of single core 6.0 sqmm PVC insulated unsheated multistranded 1100 volts grade FRLS copper conductor drawn through and including ISI markes PVC conduit and conduit accessories of medium grade not less than 20mm dia in concealed system including one run of single core 6.0 sqmm dia FRLS PVC insulated unsheated multistaranded 1100 volts grade copper conductor cable as earth continuty conductor along with the wiring and connected from Submain DB/main board to Metal clad socket complete all as specified and directed. NOTE:- (i) Two runs of 6.0 sq.mm copper conductor, one runs of 6.0 sq.mm copper earth continuity conductor shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

Demolition of stone slabs and tiles of any description or thickness in floors, aprons Laid, bedded and pointed in any mortar etc.all as specified and directed .

M&L Machine cut kota stone slab 18-20 mm thick as in steps, riser, dado jointed with cement mortar with 10 mm thick1:3 with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete over complete all as specified & as directed.

Demolition of brick/stone massonry work built in cement mortar as in wall including all quoins, arches, pillars etc complete all as directed.

M&L brick work with sub class ‘B’ bricks (locally available best quality) straight or curved on plan exc 6m mean radius built in CM (1:6) complete all as specified and directed.

S&F anodized aluminium frame / Three or Two Track with Powder Coating (minimum thickness of powder coating 50 micron) for doors, windows, ventilators, partitions etc., with one or more rebates including joining cleat for fixing etc complete all as specified and as directed .

S&F Anodised aluminium door shutters with Powder Coating (minimum thickness of powder coating 50 micron), aluminium section weighing 0.55 kg/ m including necessary joining cleats, glazing clips, ruber neoprene packing, handles 2 Nos in each door, hinges, anodised aluminum snap beading screws etc. complete all as specified and as directed .

S&F anodised aluminium window and ventilator shutters, with Powder Coating (minimum thickness of powder coating 50 micron), side hung type without sash bars, aluminium sections weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws, anodised aluminium fittings such as peg stays 150mm long (1 no.), hinges type B-21 100mm long (2 no.) suitable handle (1 no.) complete all as specified and as directed .

S & F stainless steel wire cloth, 0.36mm nominal dia. of wire and average width of aperture 1.40mm fixed with tinned tacks, or stainless steel wire staples including all cuttings, wastage, etc complete all as specified and directed.

S&F Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framedguard bars; barred iron doors; ladders; framed balusters; walkways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165

S & F floor door stopper 150mm of aluminium alloy body and tongue anodized with hard drawn steel spring fixed in floor all as specified and directed.

S&F in repairs door closer hydraulically regulated, aluminium (extruded section) body, designation No. 3, universal type suitable for door shutter upto 1000mm in width and of weight 61 to 80 kg complete all as specified and as directed

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided for complete all as directed.

M & L for Reinforced Cement concrete (1:1.5:3 ) type A-1 (using 20 mm graded stone aggregates) in slabs supported on walls complete all as specified and directed.

M&L for Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) all as specified and directed.

M & L for mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified and directed.

Demolition of cement concrete (un-reinforced) in Concrete of any description and in any position not otherwise specifically provided for complete all as directed.

M&L for PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) over roof slab to fill depressions of existing roof slab ,roof kerbs or mud stops, rounder or chamfered on edges including cleaning / removing all dust from existing roof surfaces before placing concrete complete all as specified and directed.

M&L for 10 mm thick cement in CM 1:3 with ( liquid water proofing compound @ 200 ml per bag measured separately ) cement on green concrete surfaces complete all specified and directed.

S&F plain aluminium sheeting,0.71mm thick alloy 31000 H4 in ridges, hips, valley gutter drip and straight flashing complete all specified and directed.

M&L for APP based ploymeric membrane minium weigh 3.6kg/sqm and min 3mm thick reinforced with polyster non wove fabric laid over and incl priming surfaces with primer of same manufacture @ 0.400 litre / Sqm and laying APP membrane on primed surface by torch application and sealing all joints and over lapping complete all as specified and directed.

M & L 25 mm thick Cement Conrete 1:2:4 type B–0 using 12.5mm graded stone aggregates flooring finished even and rough to receive topping layer all as specified and directed .

M&L for cement concrete tiles 250x250x22mm thick, (as per IS 1237-1980)machine pressed set in neat cement slury over and incl 15mm thick screed bed in CM (1:6) with gray cement and no pigment etc complete all as specified and directed. ( Note : tile shall be laid with 3 to 5 mm wide spacers and joints will be grouted flush upto full depth of tile with epoxy material and rate of the same shall be deemed to be included in the quoted rate).

Dismantling floor or wall tiles including cement mortar bedding, removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M & L for glazed ceramic coloured tiles 7mm thick 300 x 450mm size in vertical surface set and jointed in neat cement slurry and pointed in white cement paste pigmented to the shade over and including 10mm thick cement sand plaster (1:3) complete all as specified and directed.

M&L coloured Non Skid ceramic tiles 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match including 15 mm average thickness screed bed in CM 1:4 Complete all as specified and directed.

Taking down cement plaster on brick wall including racking out joints, hacking for keys scrubbing down with water all as specified and directed .

M & L rendering 10mm thick on fair faces of brick work or concrete surfaces in CM 1:6 finished even & smooth without using extra cement all as specified and directed.

M & L two coats of distemper oil emulsion over a coat of primer and wall putty , preparatory to distempering, on newly plastered surfaces of walls including preparation of surfaces all as specified and directed

M&L rendering 15mm thick in CM 1:4 mixed with WPC at 3% by weight of cement on concrete wall finished even and smooth without using extra cement. (WPC to be measured and paid for separately)

Supply only liquid water proofing compound.

M & L one coat of distemper oil emulsion on old decorated plastered surfaces of walls including preparation of surfaces by washing, rubbing down and stopping of distempered surfaces complete all as specified and directed.

M & L two coats of distemper oil emulsion on old decorated plastered surfaces of walls including preparation of surfaces by washing, rubbing down and stopping of distempered surfaces complete all as specified and directed .

Complete removal of external treatment and applying two coats of external weather proof paint over external surfaces of walls by mechanical compressor spray painting over a coat of primer including preparation of surfaces and applying a coat of putty for smooth and even texture; for G+5 bldg. (Make: color and shades of paint shall be as approved by GE) (Note : (i) All including providing steel scafolding and safety equipment for G+5 storey bldg).

S & F 15mm bore medium grade steel tubes galvanised with all fittings and fixed complete to walls & ceiling or laid in floor all as specified and directed .

Taking down steel tubing 15mm bore and connections including cleaning for refixing/ removal complete all as specified and directed.

Cutting chases, pinning in brick walls, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landing, steps, cills, sunshades, shelves, lintels, etc, and cuttings chases for concealed water tubing or concealed conduit wiring, etc and making good, cutting not exceeding 10 cm girth all as specified and directed.

M&L for providing abd fixing stainless steel (Grade 304) railing made of hollow tubes, channels, plates etc, including welding, grinding, buffing, polishingand making curvature ( where ever reqd )and fitting the same with necessary stainless steel nuts and bolts complete including fixing the railing with necessary accessories and stainless steel dash fastners, stainless steel bolts etc, of required size, on the top of floor or the side of waist slab withsuitable arrangement all as specified and directed.

S&F in repair bib taps 15mm bore dia, fancy type, cast copper alloy chromium plated with crutch or butterfly handle, screwed down, screwed for iron pipe all as specified and directed.

S & F PVC pipes (SWR) single socketed with rubber ring joints 110mm dia fixed to wall complete all as specified and directed.

S & F PVC pipes (SWR) single socketed with rubber ring joints 75mm dia fixed to wall complete all as specified and directed.

S & F PVC pipes (SWR) single socketed with rubber ring joints 50mm dia fixed to wall complete all as specified and directed.

Each Set

S&F in repairs Pillar taps 15mm bore dia, fancy type, cast copper alloy with capstan heads chromium plated screwed down hidh pressure with or without lettered Hot or Cold with long screwed shanks and fly nuts screwed for iron pipe and fixed all as specified and directed.

M & L for PVC (SWR) Floor trap of 75 mm outlet plain with grating including jointing with solvent cement complete all as specified and directed.

M & L for PVC (SWR) multi Floor trap of 75 mm outlet with grating including jointing with solvent cement complete all as specified and directed.

M & L for PVC (SWR) gully trap of 125/ 110 mm setting and jointing with solvent cement complete all as specified and directed.

S & F health faucet with tube & wall hook chromium plated brass fixed to 15mm size pipe complete all as specified and directed.

S & F as in repairs PVC flexible waste pipe of standard length 25mm dia. with PVC cap suitable for waste coupling 32/ 40mm all as specified and directed.

M & L for broken stone or boulders hardcore of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified & directed.

M & L for providing 100 mm thick cement concrete type D2 (1:4:8) (using 40 mm grade stone aggregate) as in sub floor, sub base of floor complete all as specified and directed.

S&F Providing and laying 80mm thick factory made chamfered edge cement concrete paver block of M-30 grade with approved colour, design & pattern as in footpath, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of coarse sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine sand and cutting of paver block as per required size and pattern, finishing and sweeping extra sand; complete complete all as specified and directed.

M&L for PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) over roof slab to fill depressions of existing roof slab ,roof kerbs or mud stops, rounder or chamfered on edges including cleaning / removing all dust from existing roof surfaces before placing concrete complete all as specified and directed.

Schedule of Credit

EXTERNAL ELECTRIC SUPPLY