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| 1 | M&L for taking out of existing BER ACs (Window/Split/package type) of any capacity from multi-story buildings (G+1/ G+2/G+3/G+4) complete with all connecting items i.e. Indoor/outdoor units, refrigerant piping, ducting, cable and old base stand etc. after disconnecting all electrical connection, refrigerant piping and ducting carefully with the help of rope suspendedmobile platform/hydra complete and deposited to MES store yard as directed in and including necessary T&P complete all as specified and directed.Note: The cost ofT&P including rope suspendedmobile platform/ hydra/transportation etc. and safety equipments of workers is deemed to be including in quoted rate under respective items. |
| 2 | M&L fortaking out of existing BER Voltage Stabilizer of any type complete with all connecting accessories after disconnecting all electrical connection and deposited to MES store yard or as directed complete all as specified and directed. |
| 3 | Design, supplying, installing, testing and commissioning of Air cooled type Packaged air-conditioning units of capacity 5.5 TR complete (Design condition : Temperature 22±2℃ and RH 50±5%) with charged refrigerant R410A/ 407C, 3 Phase, 415 V, 50 HZ,with Hot and Cold arrangement, made out of Pure polyester powder coated GI steel with thermetically sealed Reciprocating or Multi Scroll compressors with microprocessor based control complete with overload, low voltage, high voltage & phase imbalance protection, electrical interconnection between indoor and outdoor units , suitable for operation on R - 407c/R -410a refrigerants & first charge of refrigerant & oil ,air cooled condenser, fan section with statically/dynamically balanced centrifugal blower driven by a TEFC squirrel cage three speed motor, Multi rows cooling coil of copper, aluminium fins and cooper header duly coated with anti corrosion and thermally conductive coatingetc., comprising of copper refrigerant piping duly coated withanti corrosion and thermally conductive coating as per OEM recommendation (Set of two for suction and discharge for each compressor circuit from indoor to outdoor with insulation as per OEM recommendation), Anti vibration Pads and necessary PCC foundation as per OEM recommendation and allied civil works complete all as specified and directed. Make : Hitachi/Daikin/Carrier/Blue Star |
| 4 | (A) The intelligent microprocessor controller consist of following :- (a)LCD display (b) Touch - Key on/off switch(c) Auto restart after power failure(d) Single phasing/ Phase loss/ Phase reversal(e) Over voltage/ Under Voltage protection(f) Over load / Over current protection(g) Fault display(h) Time delay for compressor operation(j) Run time equalisation(k) Provision for fire alarm inputB) The Touch screen controller installed at indoor unit with following features :-(a) Compressor status indication(b) Room temperature display(c) Wide temperature range 19-32 °C(d) ON -OFF timer (e) Error Indication(f) Error Reset(g) High speed two way communication:-High speed two way communication (RS485) between indoor controller and outdoor unit |
| 5 | (C) Indoor unit :-Type of blower :- Centrifugal forward curved, Double inlet, Double widthAir Flow :- MIN 4400 CFMAir filter :- Non woven polyester media enclosed in HDPE mesh suitable to filter partial up to 5 micronController :- Innovative intelligent inverter controllerCompressor :- Hermetically seals scrollMicroprocessor based LCD Display(D) Outdoor unit :Condenser type :- Corrosion proof Blue fin Air cooled FTHXCondenser fan type :- PropellerNote: a) The cost ofT&P including rope suspendedmobile platform/ hydra/transportation etc. and safety equipments of workers is deemed to be including in quoted rate under respective items.b) Outdoor unit shall be installed on MS stand & anti vibration pad with necessary PCC foundation as per OEM the rate of the same is deemedto be included in the quoted rate of the respective item. |
| 6 | S&F AC stand suitable for Floor mountedout door AC unit up of capacity of 5.5 ton, necessary angle iron including fixing arrangements like welding, fabrication and nuts & bolts etc complete allas specified and as directed. |
| 7 | S&F in replacement of electrolyte grade copper tubing of size 1/4\" suitable for any type ofsplit type ACincluding synthetic rubber foam complete all as specified and directed. |
| 8 | S&F in replacement of electrolyte grade copper tubing of size 1/2\" suitable for any type ofsplit type ACincluding synthetic rubber foam complete all as specified and directed. |
| 9 | S & F in replacement of electrolyte grade copper tubing of size 3/8\" suitable for any type ofsplit type ACincluding synthetic rubber foam complete all as specified and directed. |
| 10 | S & F in replacement of electrolyte grade copper tubing of size 5/8\" suitable for any type ofsplit type ACincluding synthetic rubber foam complete all as specified and directed. |
| 11 | Supply & Laying of drain piping carried out of UPVC pipes 20 mm dia, with solvent joints for Split units, up to the nearest drain complete all as specified and directed. |
| 12 | Supply & Laying of drain piping carried out of UPVC pipes 32 mm dia, with solvent joints for Split units, up to the nearest drain complete all as specified and directed. |
| 13 | Supply, assembling and erection of PGI sheet 22 gauge with TDF flange rectangular/square duct made out of \"L\"shaped hollowprofile ,duly factory boxed including all accessories such as Corner ,Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc including taking down old rusted duct complete all as specified and directed. |
| 14 | Supply, assembling and erection of PGI sheet 24 gauge with TDF flange rectangular/square duct made out of \"L\"shaped hollowprofile ,duly factory boxed including all accessories such as Corner ,Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc including taking down old rusted duct complete all as specified and directed. |
| 15 | Supply & fixing in replacement of external thermal insulation on Pipe/ ducts closed cell nitrile rubber insulation, 25mm thick, class \"O\" with adhesive and tapes in and including aluminium cladding with 22 SWG(0.71mm) thick aluminium sheet etc. after cleaning the pipe/duct surfaceby scrapping carefully with wire brush etc. to make the surface completely free of mill scale, dirt, dust, grease and other foreign materials complete all as specified and as directed. |
| 16 | Supplying, fixing, testing and commissioning of powder coated aluminium section of 20 G thick for supply/ return air grilles / diffuserswithout aluminium volume control dampers as per specifications complete all as specified and directed. |
| 17 | Supply, Laying, commissioning and testing ofXLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area laid on walls, ceiling, floor, trenches duct etc of4 Corex 6 Sqmm (copper) complete all as specified and directed. |
| 18 | M&L for one pointwiring of with PVC insulated FR LSH unsheathed coppercable of size 4.0 sqmm including earth wire of size 4.0 Sqmm inand including Concealed rigid 20 mm dia PVCconduit for 15 amps power pointincluding cutting chases for conduit where required andmaking good to wall and ceiling completeall as specified and as directed . |
| 19 | M&L for sheet metal enclosures with plug top and MCBs single pole and natural enclosures with two pin and earth plug and socket complete with one single pole MCB 32A capacity complete all as specified and directed. |
| 20 | Material and Labour for earthing complete with steel earth plate 600mmx600mmx3.15mm thick buried in ground vertically to a depth not less than 2.5 meters below ground level with top edge of the earth plate at a depth not less than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same.Steel plate connected with 4 mm GI wire by means ofnuts, bolts and washers.GI wirelaid in 15 mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) as shown in electrical plat No. 03 of SSR Part-I with following:-(a)4 mm GI wire (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embedded in floor of PCC earth pit.(Funnel should properly tightened on GI watering pipe and embedded in PCC floor of earth pit with open top suitable for watering of earth pits)(c) PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothlyfinished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 25mm thick re-inforced with 8mm dia bars 75mm centre to centre both ways with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover. |
| 21 | Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4mm dia galvanised iron or steel wire complete all as specified and directed. |
| 22 | Supply and Fixing in replacement of Triple pole and earth enclosure with a three pin and earth plug with socket complete with one triple pole MCB 63 Amps 415 V complete all as specified and directed. |
| 23 | M&L in replacement of sub main wiring with two run of single core PVC insulated FRLSH stranded copper conductor cable of size 6 Sq mm and one run of 6 Sq mm PVC insulated FRLSH copper conductor cable as earth continuity conductordrawn in and in existing surface PVC conduit concealed medium grade complete all as specified and directed. |
| 24 | M&L in replacement of sub main wiring with two run of single core PVC insulated FRLSH stranded copper conductor cable of size 4 Sq mm and one run of 6 Sq mm PVC insulated FRLSH copper conductor cable as earth continuity conductordrawn in and in existing surface PVC conduit concealed medium grade complete all as directed. |
| 25 | S&F MCB distribution board single phase and neutral (SPN) 240 volts 8 way double door on surface/recess complete with tinner copper bus bar earth bar , din bar connections, powder painted incl earthing etc as required complete all as specified and directed. |
| 26 | S&F double pole 240 volts isolator of 63 A capacity in the existing MCB DB complete with complete connections complete all as specified and directed. |
| 27 | Supply and fixing 6 A to 32 A rating rating 240/415 V, 10 KA \"C\" curve miniature circuit breaker suitable for inductive load of single pole in the existing MCB DB complete with connections, testing and commissioning etc as required complete all as specified and directed. |
| 28 | Supply and lay in trenches, fixed to wall / pole/ tray etcUG cable XLPE insulated armouredheavy duty electric UG cable with aluminiumconductor1100 volts grade of cross sectional area6 Sqmm 4 corecomplete all as specified and directed. |
| 29 | Supply and lay in trenches, fixed to wall / pole/ tray etcUG cable XLPE insulated armouredheavy duty electric UG cable with aluminiumconductor1100 volts grade of cross sectional area10 Sqmm 4 corecomplete all as specified and directed. |
