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| Tender ID | 127384 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Corrigendum : Addn/altn To Certain Infrastructure (central Airconditioning) At Af Stn Naliya |
| Last Date For Submission | 13th Mar, 2026 |
| Opening Date | 16 Mar, 2026 |
| Document Cost | 2000.00 |
|---|---|
| EMD | 285000.00 |
| Estimated Cost | 21000000.00 |
| City | Naliya |
|---|---|
| State | Gujarat |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | S & F in repairs Ceiling Suspended unit (CSU) of 3 TR having following technical specifications-(i) 1200 CFM Capacity, (ii) Outer & Inner skin both 0.6 mm Pre-caoted GI, Thickness of Insulated Panels 25//45 33 thick CFC Free PUF injected (Density : 40 kg/Cum), (iv) Material of Drain Pan, 20 G SS-304 Tray duly insulated with 13 mm closed cell Nitrile insulation. (v) Material of Sump - 18 G SS-304 (vi) CHW/ HW Coil - Copper Tube, GI Casing, tube Dia 12.7mm/1/2" O.D. Tube Thickness 27 nSWG/0.41 mm, Header material MS, Fins Thickness 0.15 mm, Fins Material Plain Aluminium, No of Fin per Inch (FPI)(CHW) -11/12 Nos, No of Fin per Inch (FPI) (HW) -08/10 Nos (vii) Filters are Synthetic (non-woven type), Efficiency of Pre Filter (EU-4) - 90% to 10 micron, Efficiency of Fine Filter (EU-5) - 90% to 05 micron | 40.00 | Each |
| 2 | (viii) Blower of dia 225 mm RPM- 3130, Shaft pully system, Flame proof blower induction motor of 1.5 HP, Motor pole 2 (for belt driven), Pad of 2.4 Sq Ft, Eliminator of 2.4 Sq Ft, Heating and Cooling Coil each of 2.4 Sq Ft, Filters of 2.0 Sq Ft, Dimension of CSU LXWXH is 2.75x0.93x0.95 m, Pump for 200 mm Pad 0.25 HP and Panel thickness 25 mm Model ZDS-12 also included connected cables for CSU complete all as specified and directed by Engr-in-Charge. | ||
| 3 | Supply, Install, test & Commission in Repair Double Skin Air Handling Unit (AHU) Floor Mounted Horizontal type of 25 TR capacity having the following specification :- (i) 10000 CFM (ii) The Casing Panels shall be of sandwich Construction of at least 25 mm thick injected with CFC Free R141B blended polyurethane foam insulation having density 38-40 Kg/Cum & Thermal Conductivity of 0.02 W/m -Deg K. The casing Panels 9inside & Outside) shall be constructed of 1.2 mm thick steel sheet cated with 120 gm/Sqm galvanized Zinc & 3% Chromate. (iii) The Panels are removable type & are fixed to frame with self tapping screws. Labrynith type gasket sealing between panel & frame be provided to eliminate air leakages. (iv) Drain Pan shall be fabricated from 0.8 mm thick stainless steel SS-304 insulated with 10 mm thick close cell cross linked irradiated FR grade polyethylene material Intermediate tray is provided for stacked coil to collect the condensate from top coils. (v) The AHU shall be complete with filter section, mixing bag, water coil copper tubes and aluminium fins, Chilled water shall be suitable for 10 degree temp differential, DIDW forward curved centrifugal fan belt driven & vibration isolators, energy efficiency of motor confirming to IS 12615 suitable for 415 V +/- 10 % Volts 50 Hz 3 Phase AC Supply (vi) Each AHU shall comprise of:- (1) Cooling Coil RD 6. (2) Heating Coil RD 2 | 1.00 | Each |
| 4 | (3) Pre-Filter having dust filtration capacity 90% efficiency down to 10 microns (synthetic non woven., fire retardant type supported with aluminium & HDPE mush & generally conforming to EU-4 & EU-779 specification) (4) Micro Vee filter having dust proof filtration capacity to 5 micron conforming to EU-7 specifications magne helic gauges be provided to read pressure drop across filter bank. (5) Fan Section fitted with statically & dynamically balanced forward curved blower fan DIDW type suitable to requisite static pressure with belt driven squirrel cage induction motor TEFC 415 V 3 phase 7.5 Hp 50 Hz AC supply insulation 'F Class. The motor shall be energy efficient confirming to IS 12615. Note:- The cost quoted by the contractor includes all above all above (except butterfly valves, Y Strainers, 3 Way Valves & Chilled water pipeline which will be paid separately. However the connection dovetailing, testing & commissioning of AHU as a whole is included in the rate quoted for AHU. | ||
| 5 | Supply, Install, test & Commission in Repair Double Skin Air Handling Unit (AHU) Floor Mounted Horizontal type of 35 TR capacity having the following specification :- (i) 14000 CFM (ii) The Casing Panels shall be of sandwich Construction of at least 25 mm thick injected with CFC Free R141B blended polyurethane foam insulation having density 38-40 Kg/Cum & Thermal Conductivity of 0.02 W/m -Deg K. The casing Panels 9inside & Outside) shall be constructed of 1.2 mm thick steel sheet cated with 120 gm/Sqm galvanized Zinc & 3% Chromate. (iii) The Panels are removable type & are fixed to frame with self tapping screws. Labrynith type gasket sealing between panel & frame be provided to eliminate air leakages. (iv) Drain Pan shall be fabricated from 0.8 mm thick stainless steel SS-304 insulated with 10 mm thick close cell cross linked irradiated FR grade polyethylene material. Intermediate tray is provided for stacked coil to collect the condensate from top coils. (v) The AHU shall be complete with filter section, mixing bag, water coil copper tubes and aluminium fins, Chilled water shall be suitable for 10 degree temp differential, DIDW forward curved centrifugal fan belt driven & vibration isolators, energy efficiency of motor confirming to IS 12615 suitable for 415 V +/- 10 % Volts 50 Hz 3 Phase AC Supply. (vi) Each AHU shall comprise of :- (1) Cooling Coil RD 6 (2) Heating Coil RD 2 | 2.00 | Each |
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