PROVN OF STANDBY POWER SUPPLY TO SECURITY LIGHTS, LIGHTNING ARRESTER, CHEMICAL EARTHING PITS AND ELECTRICAL SHUTTER OF MT PARKING SHED AT AFS KURSEONG UNDER GE AF BAGDOGRA

Supply, Install, Testing and commissioning of Silent Diesel Engine driven Generating Set of Capacity 125 KVA , 415 Volts, Three Phase, 4 Wire, Engine as per IS – 10001 / 10002 and Alternator as per IS – 4722, conforming to CPCB-IV+ approved norms complete with AMF panel, Relay panel for automatic starting on main failure, control panel having meters, sound proof canopy as per relevant IS and foundation etc. including following: [Make: Kirloskar Green / cummins / Ashok Leyland / Greaves Cotton]

NOTES :- A. ENGINE: Water Cooled Engine, 6 Cylinder, in-line, 4 Stroke, with rated HP output of min 155.5 HP with electric start and designed to run at 1500 RPM continuous on 100 % load and also capable to take 10 % overload for 1 hr out of 12 hour of operation. Complete with CPCB IV+ emission norms conforming to GSR 436(E) -MOEF, GOI and having following specifications: [i] In- line fuel pump with Electronic Governor for 125 KVA. [ii] Turbocharger [iii] Stainless Steel Exhaust Flexible Coupling and Exhaust Pipe duly insulated with Glass Fire Wool and Plain GI Sheet Cladding & extended outside the building. [iv] Silencer [v] Radiator [vi] Coolant Inhibitor [vii] Plate type Lub Oil Cooler [viii] Spin-On-Filters-Coolant, Fuel, Fuel & Lub Oil [ix] Dry type, Heavy Duty, Replaceable Paper Element Air Cleaner with Restriction Indicator [x] Flywheel Housing and Flywheel to suit Single Bearing Alternator [xi] Electrical Starter Motor [xii] Battery Charging Alternator [xiii] 1 X 12 Volts Batteries, 120 AH Capacity, with Connecting Leads and Terminals of 35 Sq.mm size Multistranded Copper Conductor Cable [xiv] First fill of Lub Oil. B. ALTERNATOR: [i] Self Excited & Self Regulated [ii] Voltage Regulation ± 1 % [iii] Class H Insulation [iv] Salient Pole Revolving Field [v] Digital Automatic Voltage Regulator [Part of PCC 1301] [vi] Standard Enclosure IP-23 [vii] Telephone Interference Factor: 50 [viii] Total Harmonic Factor: Better than 2% [ix] Supplying power to variable electrical load for unlimited hours. Prime Power [PRP] is in accordance with ISO 8528. 10% over load capacity for one hour every 12

C. FUEL TANK: In-Built Fuel Tank of suitable capacity for minimum 10 Hours run at 75 % load but not less than 220 Litres capacity with all fittings and accessories. Hours of operation and will be suitable for tropical condition. D. ACOUSTIC ENCLOSURE: [i] Designed to meet stringent MOEF / CPCB norms 75 dBA @ 1 m at 75% load under free field conditions. [ii] Air Inlet Louvers shall be designed to operate at rated load even at 50°C Air Inlet Temperature. [iii] Cubicle shall be powder coated for long lasting service life and super finish with UV Resistant Powder Coating and shall withstand extreme environment. Stain Steel hardware shall be used. [iv] Insulation Material shall meet / conform to IS – 8183 Specifications for better sound attenuation [v] Provision of Genset Controller for Engine & Alternator.(VI) E. ACCESSORIES: [i] Periodical Maintenance Tools as per Manufacture [ii] Operational, Spare Parts, & Installation Guidelines and Catalogue. Note: Rate quoted is also deemed to be including the following: [ii] Testing of DG Set shall be carried out by the Accepting officer or its rep. [iii] Artificial load i.e. strip heaters of suitable capacity to be made available during test. [iv] Extended terminals with tinned copper has to be provided for terminating the incoming & out going cable with suitable lugs for ACB’s / MCCB's if required. [v] U/G cable shall be laid / connected to DG Set Cubicle Panel to AMF Control Panel [Changeover Panel] all as specified. [vi] Provision of cable gland & Aluminium lugs of suitable size for terminating the cable at both ends. [viii] Exhaust Pipe shall be insulated with 25mm thick Resin Bonded Fibre Glass Wool of density 32 kg/Cu.m and wrapped with 24 SWG Aluminium sheet duly painted with approved colour & quality complete as per ISO 8528 and 3046 / BS 5514 Specification and IS – 4722 and IS – 1460 complete all as specified & directed.

Material & labour for earthing with Galvanised Steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground vertically at a depth not less than 2.25metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanised Iron strip 32x6mm as earthing lead (upto the test point ) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles and protected by light grade 40mm dia GI pipe connected upto test point and GI pipe light grade 20mm bore for watering and including funnel , wire mesh , RCC pit cover and PCC chamber pit with PCC (1:3:6) type C-2 using 40mm graded stone aggregate, including excavation and earth work in any type of soil , returning , filling in approved soil and disposal of surplus soil to a distance not exceeding 50m all as specified and shown in electrical plate No 5 of SSR 1991(Part-I) complete all as specified and directed.

M& L for chemical earthing complete with copper earth plate of size 60 cm x 60 cm x 3.15 mm thick burred in ground vertically to a depth not less than 3 mtr below ground level with top edge of plate at a depth not less than 2.4 mtr below nominal ground level and filling the pit with 150 kg advanced special Conductolite based BFC compound and remaining portion of pit with Black garden soil of equivalent quantity to achieve proper electrical conductivity for the grounding of fault current and connected with copper strip 32 mm x 3.00 mm duly brazed up to 7.5 mtr length and connected to earthing test point, GI pipe light grade 40 mm bore for protection of strip and 20 mm bore for watering with funnel and wire mesh all as specified and testing on completion including provn of earth pit with necessary earth work, PCC (1:2:4) type B1 Chamber, Cast Iron frame with hinged pit cover of size 12"x12" having 7 kg weight complete all as specified & directed. Note : (i) The length of the copper strip beyond 7.5 mtr will be measured and paid separately. (ii) All the joint of Copper strips shall be of brasing only. (iii) Test result of Earthing to be submitted by contractor for all earthing.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 3.5 core 120 sqmm complete all as specified and directed.

Excavation in trenches in soft/loose soil n.exc 1.5m wide and n. exc 1.5m depth for laying of cable, errection of poles, stay and pipe line complete all as specified and directed.

Returning & filling including spreading, levelling watering and well ramming in layers n. exc 25 cm thick in any type of soil complete all as specified and directed.

Removal of surplus soil 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 directed.

M&L HDPE double wall Corrugated Duct Pipe of Size 80 mm OD for Cable Protection laid in trench complete all as specified and directed.

M&L for 80mm bore galvanised iron light grade for cable protection and sealing both ends including taking out old pipe complete all as specified and directed.

Supply, Install, Testing and Commissioning of Advanced Early streamer, emission lightning Protection System of level of protection 1(D2O), Advance time (∆T) 60 µS, Radious of protection( RP) 79 MTRS having lightening Impulse with standing capacity of min 8/20 NS, five +ve and five-ve ( ± 10 tolerance), +ve polarity current applied 69.5 KA. The number of Oscillation (OSC). 28714 CPRI Tested and ROHS/ O62025170.al as per IEC 62305 complete all as specified and directed. Make ABB model OPR 60 or its equivalent in Reychem or FINTEC. Note:-The device should be filled with digital lightning strike counter sensitivity above 1 KA.

Supply and fix GI mask of suitable dia 5 Mtr long and capable of handling wind speed of 120 km/hr with base plate, bakelite insulator, guy wire, Fastner, nut, bolt and other necessary accessories complete all as specified and directed.

Supply and fix digital lightning strick Counter along with required fixing accessories complete all as specified and directed.

M&L 1100 V, 70 sqmm single core PVC insulated FRLS flexible Copper Cable along with necessary saddle, copper lugs, nut bolt washer of copper and PVC Conduit pipe of min 32 mm dia for fixing on roof, wall of building etc complete all as specified and directed.

S&F Air termination, single pointed copper rod 12 mm dia and 300 mm long (99.9% molecularly copper) with complete accessories and post insulator fixed on copper strip for earth conductivity to ground complete all as specified and directed.

M&L copper strip of size 20 mm x 3.15 mm thick for 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 complete all as specified and directed. Note: Copper strip shall be 99.99% copper.

All as per srl no 15 above, but copper strip of size 32 mm x 6 mm thick complete all as specified and directed.

M&L for 40 mm bore galvanised iron pipe, light grade including all fittings and fixed laid in trenches or fixed to wall/along for protection of strip complete all as specified and directed.

M&L Earthing test point terminal block made of gun metal(99.99%) of size 75mmx75mmx22 mm thick drilled, screwed mounted on DMC/FRP insulator including 3Nos, 8mm dia, 25mm long hexagonal head screws including SS box powder coated weather, dust/ Vermin proof, made out of minimum 1.50 mm thick CRCA sheet of size 16.5 cm x 16.5 cm with locking arrangement by screws of suitable size for protection of test point terminal test point complete all as specified and directed.

M& L for tripod chemical earthing complete with 3 nos of pure copper solid rod of size 16 mm x 3000 mm burred in ground vertically to a depth not less than 3 mtr below ground level and filling the pit with 75 kg advanced special Conductolite based BFC compound and remaining portion of pit with Black garden soil of equivalent quantity to achieve proper electrical conductivity for the grounding of fault current Including inter-connecting the rod with copper strip 32 mm x 3.00 mm duly brazed up to 7.5 mtr length and connected to earthing test point, GI pipe light grade 40 mm bore for protection of strip and 20 mm bore for watering with funnel and wire mesh all as specified and testing on completion including provn of earth pit with necessary earth work, FRP chamber and Cover complete all as specified and directed. Note : (i) The length of the copper strip beyond 7.5 mtr will be measured and paid separately. (ii) All the joint of Copper strips shall be of brasing only. (iii) Test result of Earthing to be submitted by contractor for all earthing.

M& L for chemical earthing complete with copper earth plate of size 60 cm x 60 cm x 3.15 mm thick burred in ground vertically to a depth not less than 3 mtr below ground level with top edge of plate at a depth not less than 2.4 mtr below nominal ground level and filling the pit with 75 kg advanced special Conductolite based BFC compound and remaining portion of pit with Black garden soil of equivalent quantity to achieve proper electrical conductivity for the grounding of fault current and connected with copper strip 32 mm x 3.00 mm duly brazed up to 7.5 mtr length and connected to earthing test point, GI pipe light grade 40 mm bore for protection of strip and 20 mm bore for watering with funnel and wire mesh all as specified and testing on completion including provn of earth pit with necessary earth work, PCC (1:2:4) type B1 Chamber, Cast Iron frame with hinged pit cover of size 12"x12" having 7 kg weight complete all as specified and directed. Note : (i) The length of the copper strip beyond 7.5 mtr will be measured and paid separately. (ii) All the joint of Copper strips shall be of brasing only. (iii) Test result of Earthing to be submitted by contractor for all earthing.

Material and labour for PCC Chamber 125 mm thick of internal size 300 mm x 300 mm x 400 mm in PCC (1.2:4) type B1 (using 20 mm graded stone aggregate) with Cast Iron frame with hinged pit cover of size 12"x12" having 7 kg weight complete all as specified and directed. Note:-Cost is inclusive of white wash of PCC chamber and painting of CI Cover plate with black enamaled paint on a coat of red oxide paint.

M&L for structural steel work such as beams, angles, channels, flats etc., bent to shape and MS sheet for earth pit marker of different identifier including nuts, bolts/welding and necessary enamel painting over a coat of red oxide painting and marking with letter complete all as specified and directed.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out in soft/loose soil complete all as specified and directed.

Excavation in trenches, n.exc 1.5m wide and n.exc 1.5m in depth; for foundation, etc and n.exc 10 sqm on plan and n.exc 1.5m in depth and getting out in soft/loose soil complete all as specified and directed.

M&L Plain cement concrete type D-2 (1:4:8), 40 mm graded aggregate in foundations, filling and mass concrete complete all as specified and directed.

M & L for Hardcore of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick with granite or trap stone, watered and rammed to a true surface complete all as specified and directed.

M & L for 100mm thick PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) as in sub-base complete all as specified and directed.

M & L for Sand filling under floors or in foundations including watering and consolidation complete all as specified and directed.

M & L for 100mm thick Plain Cement concrete type B-1, 1:2:4 (20mm graded aggregate) as in floors/platform complete all as specified and directed.

M&L for brick work with fly ash bricks, straight or curved on plan exceeding 6 m mean radius built in cement mortar 1:6 complete all as specified and directed.

M&L 15 mm thick rendering in CM (1:4) on fair faces of brick work or concrete surfaces finished even and fair without using extra cement on wall complete all as specified and directed.

M&L white washing three coats including preparation of new plastered surfaces of walls complete all as specified and directed.

M & L for Steel rolling shutter, without ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer; erected in position as indicated, complete: gear operated type with bevel gear box and crank handle complete all as specified and directed.

M & L for Safety lever locks mild steel with 4 levers for rolling shutters complete all as specified and directed.

M & L for Ball bearing for rolling shutters complete all as specified and directed.

Removal of excavated spoil of soil to a distance n exc 50mtr and deposited complete all as specified and directed.

M & L for Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 using 40 mm graded stone aggregate as in foundation post hole complete all as specified and directed.

M&L Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240 complete all as specified and directed.

M&L preparation of new Steel surfaces of any description, not otherwise described, over 10cm width or girth & applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

M&L Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering / cladding to wall, fixed with self-tapping screws complete all as specified and directed.

M&L pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50 mm thick (BMT) of any colour having tensile strength of 550 Mps as in roof ridge, covering/cladding to wall fixed with self-tapping screws or "J" hook complete all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

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