Military Engineer Services-MES has published Tender For Special Repair / Replacement Of Eot Crane Crab Unit And Package Ac Plant At Certain Location In Tech Area At Af Stn Gwalior. Submission Date for this Tender is 08-01-2024. Mechanical engineering Service Tenders in gwalior Madhya Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 23-Nov-2023 | Amndt1 | Date | 09-12-2023 |
| 2 | 30-Nov-2023 | Amndt2 | Date | 16-12-2023 |
| 3 | 08-Dec-2023 | Amnd3 | Date | 23-12-2023 |
| 4 | 12-Dec-2023 | Amnd4 | BOQ | 23-12-2023 |
| 5 | 12-Dec-2023 | Amnd5 | Other | 23-12-2023 |
| 6 | 15-Dec-2023 | Amnd6 | BOQ | 23-12-2023 |
| 7 | 15-Dec-2023 | Amnd7 | Date | 27-12-2023 |
| 8 | 15-Dec-2023 | AmndOthers | Other | 27-12-2023 |
| 9 | 27-Dec-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 03-01-2024 |
| 10 | 03-Jan-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 08-01-2024 |
| Sl. No. | Item Description |
| 1 | Dismantling and taking down old unserviceable colling tower of any capacity and Supply, installation,commissioning and testing of induced draft top discharge counterflow type FRP Cooling Tower of capacity 30 TR (Rectangular/Round bottle shape) with FRP body and base, water spray headers, cooling tower fills, fan with motor, supporting base frames, as per manufacturer"s standard instructions complete all as specified and directed |
| 2 | Dismantling and taking down old unserviceable Water Cooled Packaged Air Conditioners of any capacity andSupply, install, commissioning and testing of Water Cooled Packaged Air Conditioners, comprising of ermetic/Semi - Hermetically sealed Reciprocating or Hermetically sealed Scroll Compressors with microprocessor based control, including copper refirgerant piping, electrtical interconnection between indoor and outdoor units, suitable for operation on R - 22/R - 407c/R - 410a refrigerants and of nominal capacity11 TR complete all as specified and directed |
| 3 | Supply and lay M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes50mm complete all as specified and directed |
| 4 | Supply and lay M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes65mm complete all as specified and directed |
| 5 | Supply and lay GI pipes size 25mm heavy class with all fittings laid in floors or fixed to walls and ceilings etccomplete all as specified and directed |
| 6 | Supply and fixing butterfly valve of capacity 65mm complete all as specified and directed. |
| 7 | Supply and fixing butterfly valve of capacity 50mm complete all as specified and directed. |
| 8 | Supply and fixing Gun metal gate/globe valve of size 25 mm dia with iron wheel head, screwed both ends for iron pipe complete all as specified and directed. |
| 9 | Supply and fixing in repair and replacement Stainer suitable for 30TR cooling tower of size 65mm complete all as specified and directed |
| 10 | Supplying and fixing in replacement hermitically sealed scroll compressor with in-built electric motor 3 phase, 440 volt complete with oil suitable for 407/410 a Non CFC refrigerant gas etc of capacity 5.5 TRincluding disconnecting and reconnecting with inlet and outlet refrigerant copper pipe with brazing/ soldering as required to make leak proof connection compete all as specified and directed. Make: Danfoss / Voltas/ Hitachi/ Carrier |
| 11 | Supply and fixing in repair and replacement Air Blower for package type AC 11 TR complete all as specified and directed. |
| 12 | Supply and fixing in replacement including testing of thermostatic expansion valve of capacity 5.5TRand other works as requried including welding etc complete all as specifed and directed . Make : Emerson/ Danfoss/ Ecco / Sporlon |
| 13 | Supply& fixing in replacement liquid line filter drier filter of size 5.5TR for refrigerant gas complete all as specified and directed |
| 14 | Supply and fixing in repair/replacement water cooled cooper cooling coil suitable for package type AC 11TR including pressure testing, vaccum testing and welding work complete all as specified and directed. |
| 15 | S&F in repair temperature gauge (Thermometer) suitable for condensing water circulating line, measuring range 0 - 50 degree C, of any description and in any position complete all as specified and directed. Make : Guru, Emrald, Gluck, D S Engineer |
| 16 | S&F in repair water pressure gaugeof range 0 – 150 PSI suitable for65/50mm dia GI/MS pipe including cock and syfon of any description and in any position complete all as specified and directed. Make : Guru, Emrald, Gluck, D S Engineer |
| 17 | Supply and fixing in repair/replacement Spray header with nozels suitable for package type AC 11TR of anydescription and in any position complete all as specified and directed. |
| 18 | Disconnecting old unserviceable canvas with new canvas as per existing at site with inspection strip etc complete allas specified and directed. |
| 19 | M & L for dismantling the monoblock pump and motor of 3 HP capacity and breaking the existing foundation of size and removing the rusted base frame made of MS of any size and supply and fixing MS base plate made of MS channel of size 300mmX450mmx6mm thick duly painted with synthetic enamel paint over a coat of red oxide primer with necessary PCC foundation for fixing of MS channel and including nuts, bolts, washer, packing and refixing of motor pump is deemed to be included in the quoted rate complete all as specified and directed. |
| 20 | M & L for dismantling the monoblock pump and motor of 1 HP capacity and breaking the existing foundation of size and removing the rusted base frame made of MS of any size and supply and fixing MS base plate made of MS channel of size 300mmX300mmx6mm thick duly painted with synthetic enamel paint over a coat of red oxide primer with necessary PCC foundation for fixing of MS channel and including nuts, bolts, washer, packing and refixing of motor pump is deemed to be included in the quoted rate complete all as specified and directed. |
| 21 | Supply and fixingMicroprocessor based PCB, multi compressor compatible for control of package type AC plant of unit capacity 11TR as per sample existing make & model complete all as directed by Engineer -in-charge. |
| 22 | Design, supply installation testing and commissioning of electrically operated indoor overhead travelling EOT crane conforming to IS-3177 (latest revision) suitable for operation on 415 volts 3 Phase 4 wire 50 HZ supply mounted on existing double girder with necessary steel supporting structures with hoisting cross travel (CT) and long travel (LT with micro drives through clutch and geared motor of suitable capacities with control panel power and controlling cables power and controlling cables confirming to relevant IS controlled by pendent push button station of operation with and including the following:- (a) Capacity – 2 ton (b)Class of duty - M5 as per IS -3177. (c) Lift of hoist-3 M approx. (d) Crane control operation hanging pendent and radio remote operation. SPEED (a) Main Hoist - 3 meter per minute (b) Cress Travel - 8 meter per minute (c) Long Travel - 12 meter per minute (d) Creep speed or main hoist - 10% of normal Speed (e) Speed control - for all motions speed range of 10% to 100% of rated speed through variable speed drive control from pendant push button. |
| 23 | Item No 1.22 Contd..... Motors (a) Motor rating shall be computed as per IS-3177 Motors shall be squirrel cage induction type, heavy duty. Reversible, crane duty type with 40% CDF Class H insulation with temperature rise limited to class B. It should have TEFC enclosure, IP-55 ingress protection. It shall be designed for speed control of 10% to 100% with variable speed drive. (b) Hoisting Mechanism, with specially designed crab unit for double girder, engineered for smooth jerk free and soft start, lifting of loads. Hoist drive with micro drive through clutch and geared motor selected according to the class of duty, driving the rope drum, through helical gear box. The rope drum shall be made out of seamless pipes fabricated from plates tested as per ASTM/IS standards. (c) Gear Boxes with stress relieved, machied, lapped and hardened helical gears, oil lubricated, manufactured using the modern gear cutting machines, duly heat treated to withstand the stringent load conditions and selected according to class of duty commensurate with type of application. (d) End carriages with standard wheel bases fabricated using the modern welding and machining techniques to ensure jerk free and smooth travel motion. The wheels shall be double flanged, supported on self-aligning anti-friction bearings, Buffers shall be provided at the ends of the carriage as per IS Standards. (e) Brakes for all drives shall be self-aligning type, Electro-magnetic shoe / disc brakes type to hold the mechanism in position instantaneously as soon as the power supply is "OFF" either accidentally or (f) Intentionally for all motions. Shunt brakes (g) Lifting Hook: Drop Forged with latch, Plain "C" type, Swiveling on Thrust Bearing, Duly tested as per IS : 15560 (latest version) |
| 24 | Item No 1.22 Contd..... Rope Drum Shall be of fabricated type stress relieved or seamless pipe. The circumferential weld joints shall be tested by 100% X-Ray quality (Please mention the size). Hoist Wire Rope Details Confirming to IS: 2266 with Fiber core. Crane Operation Through Radio Remote Control and also with Pendant control of Reputed Make with Push Button for ON, OFF, UP, DOWN, Forward, Reverse, Left, Right, Siren, Bridge Light & Emergency Stop with option for control selection. Push Button Type Radio Remote control for all motions shall be supplied. Radio remote control should be multi speed steps of operation. The unit works with rechargeable batteries. Battery charger to be provided along with the unit & rechargeable batteries. The crane shall be controlled by pendant moving independently of crab along full length of bridge on separate track. Pendent should be of Die cast Aluminum having push buttons for each motion, stay put type emergency stop switch along with mode (RRC or Pendant) selector switch. Pendent shall be hanged in the middle of Bridge Girder with Chrome plated steel chain & duly covered with sleeve |
| 25 | Item No 1.22 Contd..... Guards All the moving parts should be duly covered with guards as per safety norm. Proper guard / - cover/ tray to prevent falling of bolts from coupling etc should also be provided, wherever required. (Contractor to provide details) Wheels LT wheels & CT wheels both of forged steel. Limit Switch Cross travel: 2 Nos lever/roller type Hoist: 1 No. rotary & 1 No. Counter weight type Electric Contactors Shall be of have SIEMENS / L&T/GE suitable for Crane operations. Crane duty AC-4 ratings. The rating of all contactors shall be at least 50% higher than the respective electric motor full load current, at the specified duty cycle. Trailing Cables Trailing cables (Extra flexible having copper conductors only) should be traveling on rollers moving on separate I-Beam parallel to Bridge Girder and both for LT & CT shall be supplied and Erected by supplier. Painting Instruction: (a) Surface Cleaning: Girder to be shot blasted or chemically treated for surface cleaning, after completion of all operations but prior to painting. Contractor to furnish the details of facilities for Shot Blasting M/c at their / OEM"s works. (b) Painting: One coat of Red Oxide Primer with 25 micron DFT (Dry Film Thickness) and 48 hours of compulsory curing after painting. The crane should be thoroughly cleaned and final painting with two coats Enamel Paint (Colour-Golden Yellow) each with a DFT of 25 micron and intermittent curing of 16 hours. Final touching will be done after errection & commissioning at site if required. (viii) All other incidental, Civil, Electrical, Mechanical works. |
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