PROVISION OF AIR CONDITIONERS FOR IT EQUIPMENT ROOM FOR AGE I CG OFFICE AT MALKAPURAM VISAKHAPATNAM

Amount

Supply, Installation, connecting, testing and commissioning split type AC of capacity 1.5 TR ( 4500 KCal / hr) Inverter type 5 Star single phase 230 Volt AC with hermetically sealed rotary type compressor, Air flow not less than 425 CFM, Fan speed in three step, high quality powder coated / high quality paint finish, dust and bacteria filter, wireless remote with LCD display,refrigerant as per current industry standard, complete all as specified and as directed and comprising of following :- (a) Supply & fixing refrigerant pipe, refrigerant gas, copper tubing for suction & discharge of suitable size duly insulated & protected by suitable size of flexible PVC conduit with control valve & safety accessories all as directed by Engineer-in-Charge. (b) Supply & fixing wiring for evaporator and condensing unit with suitable size of copper wire in PVC conduit all as directed by Engineer-in-Charge. (c) Refrigerant pipe discharge suction and liquid line copper tubing of suitable size (3/8” & 5/8”) with insulated and properly protected by suitable size of PVC flexible conduit as specified by manufacturer with control valve and safety accessories refrigerant pipe not exceeding 10 meter complete all as directed by Engineer-in-Charge. (d) Making good the disturbed surface to match the existing surface after plugging the hole etc. all as directed by Engineer-in-Charge. (e) Connection of evaporating and condensing unit with suitable size of copper wire PVC insulated all as directed by Engineer-in-Charge. (f) Requisite gas for charging alongwith copper tubing and insulating materials all as directed by Engineer-in-Charge. (g) Out door unit to be fixed on wall/floor with support of MS stand duly painted with enamel paint over a coat of primer. Make : LG or equivalent in any of the makes as per list of makes specified in Particular Specifications.

S&F Modular AC plug box consisting 16 Amps 3 Pin socket with 25 Amps MCB SP 10 Ka with suitable cover plate with sunken box of suitable size all as specified and as directed. Make : Havells Cat Part No. DHDMCDP0253025 or equivalent in any of the makes as per list of makes specified in Particular Specifications.

M&L sub main wiring with two single core PVC-FRLS insulated unsheathed stranded copper conductor cable of size 6 sqmm drawn in conduit with 4 Sqmm PVC-FRLS insulated unsheathed stranded copper conductor as a continuous earth wire complete drawn and including PVC conduit/casing caping of size 25 mm , inclusive all fittings such as tee, bends, reducer, elbow, bell mouth, tube ends and all fixing accessories such as couplers lock, nuts, sadles, pipe hooks etc. fixed properly as in concealed position including cutting chasing & making good the disturbed surfaces & matching with the existing colour of wall/floor etc. all as and as directed by Engineer-in-Charge Note: (i) Two single core cable and one run of earth copper conductor will be measured and paid as one unit length.

S&F wall mounted, automatic transformer (Voltage Stabilizer) for low & high voltage correction equipped with electronic transistorized relay suitable for correction on single phase 50 cycles, AC supply complete with voltmeter and designed for input voltage of 110V to 280V & output voltage stabilized between 215 V to 240 V of capacity 20 Amp (5 KVA). Make : V-guard or equivalent in any of the makes as per list of makes specified in Particular Specifications.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5m in depth for taking out/laying cable and getting out, in Soft/Loose Soil complete all as specified and as directed.

Returning, filling including spreading leveling, watering and well ramming in layers not exceeding 25 cm in any type of soil complete all as specified and as directed.

Removing excavated material to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed.

Supply spreading in trenches fine dry river sand for cable protection and punning down gently by hand complete all as specified and as directed.

Supply and lay cable cover for LT Cable Class LV,type 1 , flat size 250mmx150mm x 40 mm complete all as specified and as directed.

Supply and lay of LT UG cable XLPE of size 25 sq mm 4 Core. with aluminum conductor, Screened bedded multistranded 1100 volts grade in Galvanised steel strip or wire armoured, heavy duty electric power cables with stranded aluminium conductor complete all as specified and as directed. Make Polycab or equivalent in any of the makes as per list of makes specified in Particular Specifications.

S&F sheet metal enclosure double door type for DB when MCBs & MCCB 125 Amp (as incomer) & MCB SP/TP (as outgoing) to be used, VTPN, 4 ways, 415 V with bus bar fixed properly on in concealed position and to provide required sizes of flexible conduit at any open surfaces near DBs of cables/wires complete all as specified and as directed. Make Legrand or equivalent in any of the makes as per list of makes specified in Particular Specifications.

S&F MCCB 125 Amps, 4 Pole, 415V, 25KA complete all as specified and as directed. Make Legrand or equivalent in any of the makes as per list of makes specified in Particular Specifications.

S&F in testing and commissioning of MCB SP 240 volt 6 Amp to 32 amp 10 KA capacity having C-curve characteristics connected with suitable lugs complete all as specified and as directed. Make Legrand or equivalent in any of the makes as per list of makes specified in Particular Specifications.

SOHAN ENGINEERING ASSOCIATES

LAKSHMI SAI CONSTRUCTIONS

SATYAM ENGINEERS

P VENKATA RAO