PROVISION OF AC AT ALSC OF 151 BASE HOSPITAL UNDER GE GUWAHATI

Amount

Supply, instalaltion,testing and commissioning of Variable Refrigerant Flow (VRF) air conditioning system suitable for Cooling only with highly efficient DC inverter driven Scroll/Rotary compressors complete with indoor and outdoor units with individual controllers and with fittings etc for 44 TR capacity -01 Nos and AHU Kit - 04 Nos. The compressors should have a intelligent soft start technology to achieve the set temperature quickly . The VRF units should have wide operational range from -20 DEG C to 50 DEG C to ensure stable operation. The units should be pre-charged with R-410A refrigerant gas, complete with duly powder coated etc as required. The outdoor unit heat exchangers should have innovatively designed inner grooved type copper piping to enhance heat exchange and increase the sub cooling of refrigerant to reduce system resistance and improve reliablility.The heat exchangers should be specially designed for corrosion resistance with blue fin treatment. The units should be Modbus Compatible and have special night time silent operational feature.complete all as specified and directed. Hitachi/Blue star//Daikin/Voltas/Carrier

Supply, installation, testing and commissioning of Floor Mounted 0.6 mm GI Double Skinned DX AHU of capacity 12000 CFM / 125 mm WC ESP / 44 TR / 8 Row Deep Coil / with pre filter , fine filter & Hepa Filter min 0.5 micron/ outdoor floor mounted AHU / 32mm Double Skin AHU with Al anodized thermal break frame structure injected with minimum 32 mm thick 40 kg/m3 PUF insulation; GI Panel shall be powder coated from both inner and outer side , the AHU shall comprising of: Mixing box / Anodized Aluminum Aerofoil Low leakage Fresh / Balancing / Exhaust Air Damper / Pre-Filter section with EU-4 compliant Prefilters for Return and Fresh Air / Al finned 8 Row deep -13 FPI double skin sandwitch insulated removable SS 304 condensate drain pan / Fine filter EU 7 / fine filter section with EU 9 compliant / Fan section with Hi static best efficiency Plug Fan driven by suitable pole Eff-1 TEFC Motor with Drive Package / Al aerofoil SA damper/Fire Retardant Canvass connection / Unit mounted on cushy foot Vibration isolators complete all as specified and directed. Make:Blue Star/Voltas/ EDGE TECH/ZECO/RAVI AIRCON/AIRFLOW/LIYOD

Supply, installation and commissioning of Refrigerant Piping with 19 mm thick nitrile rubber insulation for Suction line complete all as specified and directed.

Supply, installation and commissioning of Refrigerant Piping with 19 mm thick nitrile rubber insulation for liquid line complete all as specified and directed.

Supply, installation, testing and commissioning of HDPE Drain piping 32 mm with insulation complete all as specified and directed.

Supply, installation, testing and commissioning of Aluminum , site fabricated rectangular ducts of 24 SWG, complete with Silicon Sealant joints with necessary supports using thread rods and anchor bolts incl all fixing arrnagements complete all as specified and directed.

Supply, installation, testing and commissioning of Aluminum , site fabricated rectangular ducts of 22 SWG, complete with Silicon Sealant joints with necessary supports using thread rods and anchor bolts incl all fixing arrnagements complete all as specified and directed.

Supply, installation, testing and commissioning of Accoustic insulation of open cell nitrile rubber with 15 mm thick complete all as specified and directed.

Supply, installation, testing and commissioning of thermal insulation of the duct with 13 mm thick nitrile rubber complete all as specified and directed.

Supply, installation, testing and commissioning of Double Skin Heater Bank Chamber of 20 KW capacity comprising of SS 304 spiral strip heaters fitted with Porcelene blocks, Safety air stat & access door; Chamber shall be installed downstream in-line with AHU discharge duct complete all as specified and directed.

Supply, installation, testing and commissioning of Humidistart for control of humidity complete all as specified and directed.

Supply, installation, testing and commissioning of Thermostat for control of temperature complete all as specified and directed.

Supply, installation, testing and commissioning of Supply air diffuser/grill with volume control damper complete all as specified and directed.

Supply, installation, testing and commissioning of return air diffuser/grill with volume control damper complete all as specified and directed.

Supply, installation, testing and commissioning of communication Cable 6 Core x 1.5 sqmm copper for Ductable units complete all as specified and directed.

Taking down carefully old unserviciable copper/aluminium point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, sunken type box etc. and removing materials to store for keeping in safe custody for reuse at site or for taking credit and making good to disturbed surfaces of walls, floors etc with its original specification complete all as specified and directed by Engr-in-Charge.

M&L for point wiring for modular fittings with 1.5 Sqmm (nominal area) PVC insulated1100 volts grade, multistranded, copper conductor, single core, unsheathed cables (FRLSH quality) drawn through and including PVC conduits of suitable size but not less than 20 mm dia (medium grade) with all fittings and accessories including suitable PVC modular box or pressed steel modular boxes made out of 1.6 mm thick mild steel sheet metal conforming to IS-5139(pt-I) of 1969 and IS:14772-2000 with earth dolly and coated with two coats of anti corrosive paint both internally and externally including cover plate with frame concealed in walls/ceiling etc and including cutting chases for conduits and sinking for boxes and making good to disturbed surfaces, including PVC insulated and unsheathed, single core, multi-stranded, copper conductor cable of size 1.5 Sqmm green in colour as earth continuity conductor connected to common earth and earth dolly for one light point/fan point controlled by one 5 Amps one way switch complete as specified and directed. Note : Quoted rate shall be inclusive for necessary chasing and cutting and making good .

All as per item No 17.00 above but for one 3 pin socket outlet 5 Amps on same board alongwith other suitable switches.

Supply & fix 30W 2'X2' LED lumanirie with high transmitive difusser, recess mounting (white light) with system lumen output of 110 Lumen/watt .The LED light conforms to applicable IS 10322 / EN 60598 including necessary connection complete all as specified and directed.Make : Philips/Havells/CG/Surya

Supply & fix 25W LED batten with tube (white light) 4ft surface/wall mounted, extruded aluminium housing with polycarbonate diffuser & integrated electronic driver. system lumen output of 110 Lumen/watt including necessary connection complete all as specified and directed. Make: Philips/ Havells/CG/Surya

Taking down ceiling fans, cleaning of any size, oiling and greasing throughly and refixing at the existing site/rooms and connected with 23/0.0076 three core PVC flexible cable from ceiling rose to fan alongwith new down rod up to 750 mm long including painting and making fan Ser No etc complete all as specified and directed.

Supply and fixing of modular switch one way 6 amps 1 module 230/250 Volts complete all as specified/directed. Make: Legrand/L&T/Schneider

Supply and fixing of modular socket outlet 2/3 pin 6 Amps 230/250 volts 2 module complete all as specified/ directed.Make: Legrand/L&T/Schneider

Supply and fixing ceiling rose, 3 terminal PVC/polycarbonate, isolated body complete all as specified and directed. Make : Anchor/SSK/Havells

Supply and fixing fan step regulator,120W,2 Module A/C 240 Volts complete all as specified and directed. Make: Legrand/L&T/Schneider

S&F framed work for glass wool insulation blanket comprising angle, Tee section etc duly welded & fixing to walls using screws, bolts etc complete confirming to Fe-290 Gde E-165 complete all as specified and directed

S&F welded steel wire fabric weighing not exc 4 Kg/Sqm, fixed to steel members complete all as specified and directed

S&F bonded mineral wool blanket slab made from glass density 24 Kg/cum with one side of blanket/slab is covered with polythene based jute hessain cloth and fixed as per manufacturers instructions, 50mm thick complete all as specified and directed

S&F anodized alumnium snab gird of size 605 x 605mm frame work for false ceiling with 6mm dia GI hangers (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flat 40 x 3mm size 60mm long and expansion hold fasteneres 12.5mm dia 40mm long complete all as specified and directed

M&L for 4mm thick Non asbestos fibre cement building boards fixed or laid/ inserted to timber/GI/Aluminium framework with nails as in ceiling including application of two coats of distemper oil emulsion over a coat of primer after dusting and cleaning of ceiling board surfaces complete all as specified and directed

M&L for preparation of new steel surface and applying of two coats of synthetic enamel paint over a one coat of red oxide primer exceeding 10cm width or girth all as specified and directed by Engr-in-charge.

Supply, erecting, testing and commissioning complete of manufacturer or OEM manufactured, static silent (Sound Proof enclosure) Diesel Engine Driven Generating Set capable of delivering 125 KVA), water cooled, 415 Volts (AC three phase, 4 Wire system of supply) 50 HZ at power factor 0.8 minimum. The DG Set shall consists of diesel engine coupled to a matching alternator, through flexible coupling and mounted on common base frame and complete with control panel standardized by manufacturer, fuel tank with mounting arrangements and inlet , outlet return inlet oil arrangement, exhaust pipe complete and suitable for conditions prevalent at Guwahati ( Capacity of Engine, alternators shall be worked out taking all derating factors into consideration) including PCC foundation ( of suitable size leaving at least 0.5 M all around for ease of movement and 0.5 M height), anti-vibration pads, including all features to comply with latest CPCB guidelines and Comprising of followings:- (i) ENGINE(Prime Mover): Diesel Engine 1500 RPM , direct injection, 6 cylinders, four stroke, confirming to ISO3046/BS 5514, water cooled, naturally turbo charged, capable of giving adequate BHP to drive Alternator capable of delivering 125 KVA at outdoor atmospheric conditions at Guwahati, (Taking all derating factor into consideration), 12/24 Volt(as per manufacturer recommendations) electric battery start, complete with fly wheel all standard fittings/fixtures as per manufacturer and including suitable panel with tachometer, lub oil temperature, pressure gauge and frequency meters and also including self starter system, dynamo, fuel electric control panel with electronic governor (ECPG) and Engine protection system(Shut down, High water temperature, low lub oil, oil pressure, over speed etc) fuel tank and first fill of lub oil and other consumables etc .

(ii)Alternator: Brushless AC alternator, 3 Phase, 415 Volt, 4 wire, rated for output of 125 KVA, Minimum power factor 0.8, 1500 RPM, IP 23 Protection class enclosure, insulation Class "H", salient pole, revolving field, single bearing automatic voltage regulator coupled through flexible coupling with and to match the above engine. (iiI) BASE PLATE: made out of structural steel as per manufacturers recommended design/specifications. (iv)AMF CONTROL PANEL: Factory made cubicle type floor mounted LT Panel board, indoor type made out of MS angle not less than 25X25X5 mm, and 2 mm thick MS CRCA sheet, front opening type , protection class IP-54, duly powder coated after seven tank process, with electrolytic grade copper bus bar of 400 Amps capacity for four poles, with all standard switchgear and protection, internal wiring of adequate size PVC insulated multistranded copper conductor cable etc and also consisting of followings:-

(V) ACOUSTIC ENCLOSURE: Sheet metal fabricated cope type silent enclosure manufactured on CNC machines as per CPCB norms and powder coated after seven tank process, the enclosure shall be designed for reducing the sound level to 75 DB (A) at a distance of 1 M at 75 % load under field condition and ox, 70DB at 3 M from Gen set when DG set is working at full load along with testing conformance, labeling certification etc as laid down in GSR No 371(E) dt 17 May 2002.. (VI) Foundation/Plinth/Base: Shall be provided as per manufacturers recommendations, however minimum 0.5 m Space should be available all around the Set and height of plinth shall not be less than 0.5 M (VII) Diesel storage tank of capacity adequate for storage of diesel as per manufacturer specification. (VIII) Miscellaneous : Tool kit, Operation and Maintenance catalogue, spare part list, overhauling manuals, guarantee card etc shall be provided as per manufacturer standard practices. (Make of DG Set engine :- Kirloskar Green/Cummins/Ashok Leyland/Greavs Cotton, and Make of Alternators : Alstom/ Crompton Greaves/Kirloskar Electric/ Siemens/ Bharat Bijlee)

Supply ,installation, testing and commissioning of LT panel outdoor type of suitable size to accomodate all compartment and MCCBs ,fabricated with 3.15 mm thick CRCA sheet steel front openable vertical cubical type, installed over wall suitablily grouted by fastnuts, etc. with 320 Amp copper bus bar, phase indicator lamps & internal wiring including the following accessories: - ( for Main Panel ALC center ) (a) INCOMING (i) MCCB 200 Amps, 4 pole, 415 V, 36 kA - 1 No (ii) Digital multifunction meter - 1No (iii) LED phase indicator lamp (RYB) - 1 Set (b) OUTGOING (i) MCCB 160 Amps, 4 pole, 25 kA - 01 Nos (ii) MCCB 125 Amps, 4 pole, 25 kA - 01 Nos (iii) MCB 50 Amps, 2 pole, 10 kA - 01 Nos (iv)Spare compartment - 02 Nos

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 sq mm 3.5 core complete all as specified and directed by Engr-in-Charge.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for laying of LT UG cables and n exc 1.5 m in depth and getting out complete in soft/loose soil complete all as specified and directed by Engr-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm. complete all as specified and directed by Engr-in-Charge.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed by Engr-in-Charge.

M & L for Sand filling in trenches as cable protection including watering and consolidation complete all as specified and directed by Engr-in-Charge.

M & L for laying of Bricks in trenches as cable protection ; common burnt clay building bricks, sub-class ‘A’ designation 75 complete all as specified and directed by Engr-in-Charge.

M & L for Tubes, 'light grade', galvanised, with all fitting; laid in trenches as cable protection of 100 mm dia complete all as specified and directed by Engr-in-Charge. Make : Jindal/Nezone/Tata

Material and labour for earthing complete with galvanised steel earth plate electrode 60 Cm X 60 Cm X 6 mm buried directly in ground vertically to a depth not less than 2.25 mtr deep below ground level with top edge of earth plate at a depth not less than 1.5 m below normal ground level connected to galvanised earth strip of size 32 x 6 mm dia by means of bolts, check nuts and washers ,galvanised steel and protected by GI pipe 40 mm bore light grade & connected to main switch board or main control board as directed and including concrete pit in PCC (1:3:6) type C1, precast RCC (1:2:4) type B1 cover slab 30 cm X 30 cmX 5 cm with 10mm dia TMT bars 8 cm C/c both ways and one handle for lifting made out of 8 mm dia TMT bar, funnel, wire mesh, 20mm bore galvanised iron pipe (medium grade) for watering, charcoal or coke and salt in alternative layers, necessary excavation and earth work in any type of soil and including necessary testing complete all as shown in Electrical Plate No 3 of SSR part -I.

S&F Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including3 nos. 8mm dia 25mm long hex. head screw complete all as specified and directed by Engr-in-Charge.

SAI CONSTRUCTION