PROVN OF CENTRALISED AC PLANT WITH STAND BY COMPRESSOR UNIT AT SGNR MIL STN

Supply Installation testing and Commissioning of VRV units of Modular Type Outdoor Units Equipped With 100% Inverter Type Highly Efficient Multi Scroll Compressors ( minimum 2 nos Compressor each Odu ), Refrigerant cool PCB , low noise variable speed condenser fan with DC Motor ip44 filled with R410a gas. With Machine Air cooled Condenser With Copper tubes and aluminium fines Duly Covered by Anti - corrosion And A hydrophilic Resin Film Low Noise Condenser Fan , Auto Check Function For Connection Error High / Low - Pressure Cut - Out , oil pressure Failure switch, Fan motor , Safety Thermostat , overcurrent relay , fusible plugs , fuses , etc . and Suitable for operation on 380-440 v , 3 Phase , 50 Hz A.C, Supply. Operation temperature is minimum 52 Degree C DB . As per Specification. 20 HP VRV OUTDOOR UNIT( Heating & Cooling )-Top Discharge 3 Nos (2 working 1 standby), Outdoor Having VRT Smart control, IP55-compliant sealed component box, Automatic Refrigerant Charge Function Minimum ISEER 8.25 w/w, artificial intelligence compatible including outdoor central controller and indoor remotre controller complete all as specified and as directed by Engr-in-Charge. Make : (i) BLUESTAR (ii) VOLTAS (iii) HITACHI (iv) CARRIER (v) O- GENERAL (vi) DAIKIN (vii) HAVELLS (LLOYD)

Supply, Installation, Testing and Commissioning of Ceiling Mounted Cassette Round Flow and Sensing with Wireless Remote & Y Joint for 1.3 TR capacity complete all as specified and as directed. Make : As per OEM specification. OEM as approved in BOQ Ser item No 02 above.

All as per item No 03 above but for 2.02 TR complete all as specified & directed by Engr-in-Charge.

All as per item No 03 above but for 2.56 TR complete all as specified & directed by Engr-in-Charge.

All as per item No 03 above but for 3.20 TR complete all as specified & directed by Engr-in-Charge.

All as per item No 03 above but for 4.13 TR complete all as specified & directed by Engr-in-Charge.

Supply,installation and commisioning of the CU referigerant pipes of size 41.3 mm OD duly insulated with 19mm close cell elastomeric nitrile rubber insulation between each set of outdoor and indoor units complete all as specified and as directed by Engr-in-Charge.

All as per item No 08 above but size 34.9 mm OD with 19mm close cell elast omeric nitrile rubber insulation.

All as per item No 08 above but size 28.6 mm OD with 19mm close cell elast omeric nitrile rubber insulation.

All as per item No 08 above but size 25.4 mm OD with 19mm close cell elastomeric nitrile rubber insulation.

All as per item No 08 above but size 22.2 mm OD with 19mm close cell elast omeric nitrile rubber insulation.

All as per item No 08 above but size 19.1 mm OD with 13 mm close cell elastomeric nitrile rubber insulation.

All as per item No 08 above but size 15.9 mm OD with 13 mm close cell elastomeric nitrile rubber insulation.

All as per item No 08 above but size 12.7 mm OD with 13 mm close cell elastomeric nitrile rubber insulation.

All as per item No 08 above but size 9.5 mm OD with 13 mm close cell elastomeric nitrile rubber insulation.

All as per item No 08 above but size 6.4 mm OD with 13 mm close cell elastomeric nitrile rubber insulation.

Supply, laying, fixing, testing & commissioning of drain pipe of 40 mm dia with 6 mm thick nitrile rubber tube insulation complete with all necessary fittings such as elbows, tees, reducers etc and supports such as U - clamps etc complete as per specification and drawings.

As as per item No 18 above but pipe of 32 mm dia complete all as specified & directed by Engr-in-Charge.

Supply and fix 2 Core x 1.5 sheilded cable with conduit for communication cabling between ODU and IDU as per OEM specification with all fitting on roof/wall /ceiling making good of wall/floor with cement plaster in cement morter(1:6) and distemparing/white washing to match the existing surface complete all as specified and directed by the Engineer-in-charge.

S&F Sheet metal enclouser for double door Vertical DBs made out of CRCA mild steel sheet surface with insulated material like polyester with epoxy powder coated surface mouting VTPN 4 Way 415 Volt ISI marked 250Amps busbar stove enameled dust and vermin proof,IP:43 protection suitable for incorporation FP MCCB(V-Tech) N1 Frame upto 125A ,Isolators and including give connection with wire and cable etc complete all as specified and directedby engineer -in-charge

S&F MCCB TP&N 100 Amps with breaking capcity 16kA ,Fixed TM and 415 volts AC Supply ISI marked complete all as specified and directed by Engineer - in - Charge. (Make -Indo Asian/Havells / Legrand)

S & F MCB ‘B’ series type suitable for 415 volts, AC supply 40 Amps, TP with over load and short circuit protection and rupturing capacity not less than 10KA complete all as specified and directed by Engineer - in - Charge. (Make - Indo Asian/Havells / Legrand )

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed.

M&L GI strip of size 32x6mm buried in ground and connected one end to electrode terminal and other end to terminal box with suitable size of G nut, bolt & washers complete all as specified and directed.

M&L for earthing with galvanized steel earth plate electrode 600x600x6.3mm size burried directly in ground to depth not less than 2.25m below ground level with top edge of the plate not less than 1.5 mtr below normal ground level surrounded with char coal and common salt filling in alternative layers of 15cm thick and connected to GI earth wire 4mm dia by means of nuts/bolts and washers etc made out of galvanized iron including 15mm dia GI pipe light grade for protection of earth wire from earth to distribution board 20mm dia GI pipe medium grade connected to funnel heavy wire mesh for watering purpose including necessary excavation and earth work PCC (1:2:4) type B1 for contrite pit 10mm thick PCC slab cover frame all as specified and shown in electric plate Nos 3/ SSR Pt-I and testing on completion

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3.5 core, nominal cross sectional area of main conductor 50 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through pipe laid under floors/roads and in trenches, through concealed GI pipe along wall etc. complete all as specified and as directed.

M&L for fixing GI tubing (light grade) 50mm dia for cable protection laid under path / trench / wall / on pole all as specified and directed by Engr -in-Charge.

Excavation in trenches not exceeding 1.5 mtr wide and not ecxceedinf 1.5 mtr depth for laying of cables including taking up or down the LT cable complete all as directed.

Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25cm complete all as directed.

Removal of Excavated material not exceeding 50 mtr and depositing where directed.

Supply and laying double wall corrugated pipe (DWC), non-metallic, Resistance to Compression : Type 450, Resistance to Impact: Normal, Resistance to Bending : Pliable, Resistance to External Influence: Ingress Protection : IP 67, Resistance against Corrosion : Without Protection, Resistance to Flame Propagation : Non Flame Propagating, Nominal outside diameter 90 mm, minimum inside dia 76 mm conforming to IS 16205 (Part 24) : 2017 for protectionof LT cable all as directed .

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine for laying of DWC pipe of outer dia 90 mm complete all as specified.

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