PROVN OF HIGH MAST LIGHTS AT BENGDUBI MIL STN UNDER GE BENGDUBI

Amount

Supply, Errection, Installation, Commissioning & Testing of 20 Metre High Mast lightning System (Make BAJAJ/PHILIPS/CROMTON/SURYA) (Material construction of high mast sheet shall be of BSEN 10025 / lS 5986 Gr Fe 510 or equivatent). Mast shall be in two sections, hot dip galvanized and suitable for wind velocity as per IS 875 Part 3, bottom dia 410 mm (AF), Top dia 150 mm (AF), thickness of bottom & top sections shall be 4mm and 3mm respectively, Base plate shall be of dia 650x25 mm with a PCD of 550 mm with its accessories, foundation bolts manufactured from special steel and hot dip galvanised along with nuts, washers, anchor plates and templates (One set of foundation accessories includes-08 Nos M30X850 foundation bolts with one anchor and template plate each of size 550 x 550 x 4 mm). The scope of work shall also be deemed to include the following:- (a) Lantern carriage ring including arms with required size conforming to 750Kg load carrying capacity. (b) Double drum winch of 750 Kg capacity motor and manual method of operation tested load per drum 1000 Kgs. (c) Stainless steel wire rope 6 mm dia 7/19 construction conforming to AISI-316 grade. (d) Power tool 1.5 HP 1400 RPM single speed Reversible 415 Volt. (e) LED type twin dome Aviation obstruction light 6 Watt of BAJAJ/PHILIPS/HAVELL's/WIPRO Make. (f) Service Wiring feeder to flood light with multistranded copper conductor cable of size 16 Sq mm 5 core. (g) Foundation of High Mast in RCC M- 20 Concrete grade for high mast and including PCC (1:2:4) for panel grounting, complete all as per manufacturer's instractions subject to approval of the GE. (h) Supply, installing, testing and commissioning, factory made and tested, LT feeder pillar box, outdoor type (CPRI approved) .The panel shall be dust and vermin proof, IP 65 class protection and made out of 3.15mm CRCA MS sheet and 40x40x4mm thick angle iron frame work, powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside, front openable type, with aprons for cable entry, internal wiring with PVC insulated, stranded copper conductor, FRLS cables, IS-694 marked of adequate size but not less than 10 Sq mm. 2 Nos danger notice plate made of 1.6 mm thick mild steel sheet, vitreous enamelled white of size 25 x 20 cm with letters, figures and conventional skull bones in signal red colour shall be fixed to the pillar box with appropriate size nuts, bolts and washers etc indicating the voltage and danger in Hindi and English complete all as specified and directed. The following items/ accessories shall also be deemed to be incuded and accomdated in the above panel:- (i) Stag type,4 way terminal(I/P) 63 Amps - 1 No (PCB 150 ACBC) (ii) MCCB, 40Amps, 4 pole, 25KA, 415V - 1No (Legrand / L&T/ Siemnes) (iii) Contactor 3pole, 32Amps -1 No (Havells/ L&T/ Siemens) (iv) Toggle Switch 6Amps - 1 No (unique) (v) Timer (analogue) with battery backup -1 No ( L&T, IndoAsian) (vi) Stag type, 4way terminal (O/P) 63A - 1 No (PCB 150 ACBC) (vii) Over load relay 2/3.5A - 1 No ( L&T/ Siemen) (viii) F. contactor 9A - 1No (L&T/ Siemens) (ix) R. contactor 9A - 1No (L&T/ Siemens) (x) Motor terminal 32Amps -1 No (ACBC)(xi) Push switch terminal(STD)-1No (xii) Push switch (F/R) STD - 1 No (Airon). Notes : - (aa) Work shall be executed as per standard engineering practice and as per manufacturers instructions. (ab) Before placing the order, the design/ drawing of high mast of the manufacturer shall be got approved from GE. (ac) The contractor shall get the work executed from the manufacturer or their authhorized rep. (ad) Size/type of RCC foundation Shall be carried out as per manufacturer's drawings subject to approval of GE. (ae) Unit rate inclusives of 20 mtrs. High Mast Tower suitable for 08 Luminaries, 20 mtrs. High Mast assecories, Mechanical Components including Head Frame & Pully Assay, Winch Bracket, Lantern Carriage Ring including control gear box Mtg arms for luminaires, Resting Bracket Guide Ring, Compensating Disc, Lightening Arrestor etc , Wire Rope , D Suckel clamps , Nuts and bolts , cable Foundation Accessories , Winch Assembly , Termination & distribution box, Power Tool, Feeder Pillar Box, Civil foundation with materials, excavation and erection, LED Aviation light (af) Any item missed out above but is technically required for safe and proper installation and operation of High Mast shall be deemed to be included in the quoted rate all as directed by the GE.(ag) Supply only of LED flood light luminaires shall be measured and paid seperately (Fixing of these fittings is included in the above item).

Supply only new generation LED Flood light of capacity 200 watt and lumen not less than 17,200 lm with luminous efficiency, protected to IP66, with front toughned glass & Driver shall be potted with BIS (R) mark with silicon gel, complete including extra surge protection device, all as specified and directed (Make - BAJAJ Cat No BARFEG-200W LED or CROMPTON Cat No. LFLN-200 CDL 60-M or equivalent of make PHILIPS/HAVELL'S/WIPRO/Surya as approved by the GE). Note:- Cost for fixing of the above light fittings shall be deemed to be included in item No 1.

M&L for earthing complete of advance encapsulated compound based (CPRI tested) maintenance free, pipe-in-pipe technology upgraded (Zinc & Alloy coated). Zinc coated (80-100) microns with pure zinc(99.9%) & alloy coating (200-250) microns. Earthing system shall be conforming to IS-3034, the outer and inner pipe shall be 76.2mm & 41.9mm dia, 2 metre length Zinc coated with additional special alloy coating 300mm on the topside for additional protection of the terminal annular space between the pipes being filled up with compact fill (CF) (Crystalline conductive compound). The compact fill (CF) mixture shall be machine pressed in the pipes and should not disintegrate or collapse when outer pipe corrodes. The inner pipe shall be extended with terminals for connectivity. The job includes digging the pits and refilling the same by electrodite/ conductolite back fill comopound (Ground Enhancer). The BFC shall be eco friendly, it shall not contain environmentally hazard materials having ROHS certification from NABL accredited lab. The earth pit shall also be provided with earth pit cover for protection and safe guard of terminals. In area where soil condition is bad, good earth shall be provided to fill the excavated pits by mixing the same with BFC, 4 bags (as per soil condition) extra per pit/unit. The earth electrode (the main component of the earthing system) which is in direct contact with the ground shall be able to provide a means of releasing or collecting earth leakage current. The materials shall have good electrical conductivity & anti-corrosion property in wide rage of soil condition and testing on completion including dismantling unserviceable earthing complete all as specified and as directed. Make ASHLOK Model- ASEEL or equivalent of make JMV/True Power as approved by the GE.

Supply and fix GI earth strip of size 32 x 6 mm fixed on wall with and including insulators and laid in trenches complete all as specified and directed. Note:- Excavation & earthwork shall be meassured & paid for separatly.

Material and labour for PCC 1:3:6 Type C-2 ( using 40 mm graded stone aggregate ) for making good road surfaces and filling and mass concrete including providing necessary form work, complete all as specified and directed.

S&F GI Pipe 50mm bore light grade with and including all fittings for passing of cables, fixed to pole / wall / laid under floor or roads including all fixing accessories, complete all as specified and directed . Note :- Excavation & earthwork shall be measured and paid separately.

Supply,laying & testing cable XLPE insulated screened, PVC bedded, galvanised, steel strip or wire armoured, electric power cable, (heavy duty) 1100 volts grade, with stranded aluminium conductor of size 4 core 16 Sqmm complete all as specified and directed. Note:- Excavation & earthwork, protection pipe, sand crushioning & protection covers shall be meassured & paid for separately.

Excavation in for laying of cable /pipe etc in trenches in soft/loose soil n exc 1.5 m wide and n exc 1.5 m deep and n exc 10sq m on plan & 1.5 metre in depth for independent hole etc and getting out in soft/loose soil. complete all as sepecified and directed.

Returning filling including spreading, levelling, watering and well ramming in layers not exc 25 cm thick in soft/loose soil, complete as sepecified and directed.

Removing excavated materials n exc. 50 m and depositing where directed at a level not exc. 1.5 m above the starting point complete as sepecified and directed.

M&L for sand cushioning in cable trenches over & under the cables, with river washed coarse sand, as per standard practice with proper compaction complete all as specified and directed. (Punned thickness shall be considered for payment as per para 19.75 of SSR Part-I).

M&L for brick protection for protection of cables over sand cushioning inside the trench by using common burnt clay building bricks,sub-class"B", old size laid dry and flat and width wise along the axis of the trench, complete all as specified and as directed.

CHAKRABORTY AND SONS

ENGINEERING AND CONSTRUCTION CO.

M/S SUPARNA ELECTRICALS

M/S UTTAM ENTERPRISES

M/S JYOTI SHARMA AND SONS

M S SANJAY JALAN

Engineers India

M/S R. K. INDUSTRIES

POWER ENGINEERING CORPORATION

Om Construction