Name of Work:- SITC of 106 Nos 5 Star rated Inverter type 1.5TR Split AC units for various Exchanges/RSUs under DGM North-West area, Chennai (SW:-Associated works ) | Sl. No. | Item Description | |
| 1 | Dismantling of existing 1.5TR ST type AC unit including dismantling indoor, outdoor units and copper piping, interconnecting wiring, drain pipe etc and handing over to the Exchange in-charge etc as required | | 2 | Dismantling of old faulty 4KVA Wall mounted stabiliser of Split / Window AC units including disconnection and handing over to the Enchange in-charge etc as required | | 3 | Supplying and fixing 20 amps, 240 volts, SPN industrial type, socket outlet, with 2 pole and earth, metal enclosed plug top alongwith 20 amps \\"C\\" curve, SP, MCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required. Note: To be used only Where Plug & Socket are not working/available | | 4 | Providing and fixing of 32 mm dia (OD) PVC pipe for disposal of condensate water of the new AC units i/c bends, collars, unions etc. complete as required | | 5 | Supply and fixing Temperature based, Cyclic Timer for 2 nos AC Units, suitable for operating on 230V 50Hz 1Ph AC supply, including Auto manual Switch for Bypass / override facility, site programmable with provision for setting LOW, Set, High, Temperatures, inbuilt features for rotation of AC units, Switching ON of 2nd unit in case 1st unit is not sufficient or not working, Temperature Sensor with minimum 3Mtrs length cord, Induvidual Potential free contacts for AC units and alrm Extention / Electronic Buzzer complete as per specification etc as reqd. ( Make : Smart Electronics / Model : TIM 2HTA / Relay controllers : Model : SZ-7556-P/SZ-7558P or simillar Superior make) | | 6 | SITC of seqential operation logc along with temparature control for 4 nos 1.5 TR Split AC units with following features. Make Smart Electronics/SS make Model :- TIM 4HTAM - SPL | | 7 | Auto / Manual ON Switch ; Prefixed Timing Cycle ; Digital Temperature Controller with 3 meters long Sensor wire ; 230 VAC Buzzer for ALARM ; | | 8 | 12 way & 8 way Heavy Duty Connectors for wiring ; Size :- 12\\" x 8\\" x 4\\" | | 9 | Working of Customized 4 AC Timer :- Situation 1 :- Room Temp. RT ≤ LOW , 1 Working, 3 Standby ; Situation 2 :- Room Temp. RT ≤ SET , 2 Working, 2 Standby ; Situation 3 :- Room Temp. RT ≥ (SET + Differential) , 3 Working, 1 Standby ; Situation 4 :- Room Temp. RT ≥ HIGH , All 4 Working & Buzzer also ON . | | 10 | All the above ( 6 to 6.3) consist of | | 11 | Supplying and laying 3 Core 2.5Sqmm copper conductor PVC insulated PVC sheathed armoured cable (ISI Marked), on surface of wall i/c clamping etc as reqd | | 12 | Supplying and making end termination with brass compression gland for the following sizes of PVC insulated and PVC sheathed armoured copper conductor cable as required. | | 13 | Supplying and fixing 5 A to 32 A SP MCB, 240/415 V, 10 kA, \\"C\\" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Please Enable Macros to View BoQ information |
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