SPECIAL REPAIR/ REPLACEMENT OF DISPERSAL OF LTS, THREE POWER DISTRIBUTION BOX INLD UG CABLE NETWORKS AND AVN OBS LT OVER HANGARS AND OVER HEAD TANK AT DINJAN MIL STN

Amount

M & L for fabrication, erect, test and commissioning of LT feeder panel, out door type, totally enclosed weather proof, made out of 3.15 mm thick CRCA sheet and mounted on MS angle 50 mm X 50 mm X 6 mm suitable for 3 Phase, 415 volts, AC supply, 50 Hz, protection of encloures IP-54, aluminium bus bar with colour sleeve, mounted on insulator with opening door both side with rubber bedding, locking arrangement and preteatment anf powder coating with approved colour, and comprising the followings:-(a) 04 No of Aluminium bus bar of unequal size of alumimium conductor with PVC coloured heat shrinkable type sleeves continious phase rating of 200 Amps and neutral rating 100 Amps mounted on non crating resin type insulators with 160 A 4 Pole MCCB 35 kA cap at incoming and 100 A 4 pole 25 kA outgoing with 3 phase 415 V earth plug socket duly controlled with 63 A TPN MCB-02 (01 as standby) complete all as specified and as directed.

M & L for fabrication, erect, test and commissioning of LT feeder panel, out door type, totally enclosed weather proof, made out of 3.15 mm thick CRCA sheet and mounted on MS angle 50 mm X 50 mm X 6 mm suitable for 3 Phase, 415 volts, AC supply, 50 Hz, protection of encloures IP-54, aluminium bus bar with colour sleeve, mounted on insulator with opening door both side with rubber bedding, locking arrangement and preteatment anf powder coating with approved colour, and comprising the followings:-(a) 04 No of Aluminium bus bar of unequal size of alumimium conductor with PVC coloured heat shrinkable type sleeves continious phase rating of 100 Amps and neutral rating 100 Amps mounted on non crating resin type insulators with 100 A 4 Pole MCCB 25 kA cap at incoming and 32 A TPN for street lights with 3 phase 415 V earth plug socket duly controlled with 63 A TPN MCB-02 (01 as standby) complete all as specified and as directed.

S & F in repairs aviation obstruction light (LED) with integral light comprising of aluminium housing with polycarbonate enclosures with LED lamp and all accessories and connection including fixing arrangement on Hangers/RCC overhead tank complete all as specified and directed.

M & L for PVC insulated 3 core 1.5 sqmm to copper conductor for connection of security light from junction to avaiation/security light complete all as specified and as directed.

Taking down existing street light fittings/ flood light fittings of any capacity, type at any height from roof/wall/ PCC pole/ steel pole/ high mast etc. complete all as specified and as directed.

S & F LED flood lights nominal power 200 Watt LED, LED wattage of minimum 1 watt each and Maximum 3 watt each, operational voltage of 170 volts to 270 volts, frequency of 50 Hz,, lumen efficacy of minimum 100 lumens per watt, built-in, isolated electronic LED driver (SMPS based constant current supply) with lower THD, output open /short circuit protection, phase to phase protection, over voltage protection, surge voltage protection upto 5 KVs, protection grade IP 65, CRI greater than 70%, beam angle of 50⁰ clear, THD below or less than 10%, CW available CCT of 5700K ± 300K, power factor of minimum 0.95, integral high pressure die-cast aluminium housing with epoxy powder coated metallic silver finish after phosphochromate treatment, life span of minimum 50000 working hours as per and catalogue reference BARFEG 200W LED of BAJAJ or equivalent of Make with and including fixing at any height on building using 1.5 metre medium grade galvanized iron pipe bracket made of 32 mm nominal bore and necessary nuts, bolts, clamps and concreting and including wiring using three core PVC insulated, PVC sheathed, flexible stranded copper conductor FR-LSH cables suitable for outdoor use, 2.5 sqmm as per IS 694: 2010 complete all as specified and as directed.

S & F junction box made out of 2 mm thick 200 mm X 160 mm X 98 mm, made out of thermoplastic sheet having IP-65 protection for outdoor installation fixed 4 way bakelite cable terminals including 03 Nos polymide gland with check nut (M-32-2 nos) fixed on poles with flat iron clamps of size 25x 3, nut bolts, washers etc, with opening door arrangement and fixing arrangement on pole duly painted with one coat of red oxide zinc chrome primer and two coats of synthetic enamel paint including porcelain base with aluminium strip suitable for incoming and outgoing connection, also including taking out old u/s junction box complete all as specified and directed.

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 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 by the Engineer-in-charge.

M & L for earthing complete with galvanised steel GI earth plate electrode of size 600x 600x 6mm thk, length 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 1.25 metres below normal ground level, connected to earthing lead of 4.00 mm dia galvanised earth wire by means of bolts, nuts, check nuts and washers of galvanised iron from pipe electrode to test point upto 7.5 metre including all as shown in electrical plate No. 2 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 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, 20 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 by the Engineer-in-charge.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ 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 GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 4 core, nominal cross sectional area of main conductor 16 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 GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 4 core, nominal cross sectional area of main conductor 10 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 GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply & spreading in trenches sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

M & L for laying of bricks locally available sub class 'B' bricks (old size) for cable protection cover laid flat and dry in trenches over the cable perpendicular to the direction of cable all as directed.

M & L for cement concrete in foundation, filling and mass concrete in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for precast cement concrete solid block masonry of grade C(5.0) with concrete M15 (Nominal Mix), as per IS 2185 (part-1):2005, using 20 mm nominal size graded crushed stone aggregate exceeding 10 cm in width and set in cement mortar (1:4) complete all as specified and as directed.

M&L for cutting the road/ hard standing to a size not exceeding 30 cm in width not exceeding 75 cm in depth for laying/ removal of HT/ LT UG cable or cable protection pipe of any size including making good the disturbed surfaces by using PCC(1:4:8) type D2 (using 40 mm graded aggregates) for 100 mm thick on top including fair finishing complete.

Supplying & laying in trenches 40 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & laying in trenches 50 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

M & L for boring under road, pavement, hard standing, by trenchless technology using latest boring technique and necessary machine complete all as specified and as directed.

S & F hot rolled medium and high tensile structural steel of grade E 250 quality C conforming to IS 2062: 2011 as in framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering, doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete all as specified and as directed.

R D Enterprises

M/S Karen Enterprises

jitendra narayan goswami

MAZUMDAR ENTERPRISE

G S Enterprises & Co

M/S BORAH BROTHERS