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NTID 44196706
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💬 Talk to Our Bidding ExpertCorrigendum Ce Chz Chm T 23 in chandimandir - Complete Tender Details
Find eligibility criteria, important deadlines, bidding requirements, and download official documents for "Corrigendum Ce Chz Chm T 23 " in chandimandir, India.
Military Engineer Services
chandimandir, Haryana, India
NTID 44196706
- Opening Date : Thu 16th April, 2026
- Closing Date : Tue 14th April, 2026
- ₹ 175000000.00
- NTID 44196706
Key Values: Document Cost: 3000.00 | EMD: 1200000.00 | Estimated Cost: 175000000.00
Tender Description
Corrigendum : Ce Chz Chm T 23 2025 26 Addl Altn And Repairs Of Central Ac Plant At Comd Hosp Chandimandir
Documents
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Document-1
721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
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Document-2
721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
Costs
-
EMD
1200000.00 -
Document Cost
3000.00 -
Estimated Cost
175000000.00
Latest Corrigendum List
| # | Corrigendum Title | Corrigendum Type |
|---|---|---|
| 1 | CORRIGENDUM NO 01 | Date |
BOQ Items Total Items : 360 | Total Qty : 93267
| # | Item | Quantity | Units |
|---|---|---|---|
| 1 | AIR CONDITIONING WORKS Contractor shall submit Design and Drawings of Central Air-Conditioning System complete comprising of heat load calculations, size of pipe, size of AC duct, AHU, LT Panel, control cable, LT switch gear etc and of all the items as catered under serial Item no 2 to 105 here -in-after, which shall be dully vetted by IIT/NIT by the contractor before the same is approved by the Accepting Officer. All the AHUs installed shall be either floor mounted or ceiling suspended as applicable. Contractor will be responsible for performance guarantee of complete AC plant. AHRI Certified selection sheet for both AHRI Conditions & below mentioned parameters shall be submitted by the contractor duly vetted by the OEM. Design Parameters shall be as under:- (a) Inside room Temperature - 21 C 3 C (b) Relative Humidity - 55% ( 5%). (c) ACH not less than 25 - For OTs only & ACH not less than 12 for balance area (d) Minimum positive pressure to be maintained 2.5 Pascal. - For OTs only (k) Time required to achieve design condition after switching on plant shall not exceed 45 minutes. (l) Air conditioning zoning of complete area shall be as per corresponding zonal requirement as per design The design and drawings of central air-conditioning system should be energy-efficient and economically viable as per the site conditions and cooling/heating requirements as elaborated. The contractor shall consider the following while submitting the design. A. Preliminary survey and data collection: (i) Visit site and study architectural, structural and electrical drawings. (ii) Assess building usage, occupancy, internal loads and ambient conditions. (iii) Identify constraints for routing refrigerant pipes, drain pipes, fresh air ducts and electrical cables. B Heat Load Calculations:- (i) Perform room-wise and system-level heat load calculations as per ISHRAE/ASHRE/NABH/NBC/ECBC ( In case of overlapping parameters among various codes, superior parameter shall be adopted) (ii) Consider building envelope, solar load, internal loads, fresh air load. (iii) Provide cooling and heating load calculations for each zone. C. System Design & Equipment Selection (i) Design the entire 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 | 1.00 | Each Job |
| 2 | D. Refrigerant piping & Drainage Design (i) Prepare complete refrigerant piping layout with pipes sizes, line lengths ,height difference etc (ii) Ensure compliance with manufacturer limits (iii) Prepare drain piping layout with slope gravity/pumped system, insulation details E. Fresh Air & Ventilation System Design (i) Calculate fresh air requirement as per ISHRAE/ASHRE/NABH/SOA Armed forces Hospital (2003)/NBC/ECBC . (ii) Design treated fresh Air Unit (TFA)/ERV/HRV as required. (iii) Provide duct routing, sizing, filtration specs and integration details with central air-conditioning system.F. Electrical System Design (i) Estimate connected load and operating load. (ii) Prepare SLDs, wiring diagrams for power & control cables. (iii) Specify breaker ratings, DB sizes, cable sizes and earthing requirement. G. Control System & BMS Integration (i) Recommend central controller architecture. (ii) Provide BMS integration protocol (Modbus/BACnet) (iii) prepare control diagrams and point lists. H. The contractor shall submit the following drawings & Documentation:- (i) Heat load summary (ii) Indoor-outdoor piping layout. (iii) Schematic diagrams. (iv) Fresh air duct layouts (v) Electrical SLD and control diagrams. (vi) Equipment layout drawings. (vii) Provide drawings in AutoCAD/Revit format. j. Standards & Codes : All design shall comply with the following: (i) ISHRAE Guidelines (ii) ASHRAE Standards (iii) National Buildings Code of India NBC 2016 (amended upto date). (iv) Relevant IS codes for electrical, insulation, refrigerant safety. (v) OEM-specific central air-conditioning system design guidelines. (vi) SOA Armed forces Hospital (2003) (vii)National electrical code 2023 (viii) Energy conservation building code (ECBC) 2017 | ||
| 3 | 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. | 5.00 | Each |
| 4 | (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. | ||
| 5 | 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. | 3.00 | Each |
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