SPL REPAIR UPGRADATION IMPROVEMENT OF LT ELECTRICAL DISTRIBUTION SYSTEM TO CATER ENHANCE LOAD OF VETERAN CELL ECHS AND CONNECTED BLDGS NEAR GURUDWARA ENCLAVE UNDER GE DANAPUR CANTT

Supply, laying, jointing & testing XLPE insulated cable, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 volts grade, of following sizes complete all as specified and directed.

3.5 core x 185 Sqmm

3.5 core x 150 Sqmm

Supply, Installation, testing and Commissioning factory fabricated, out door type, LT FEEDER PILLAR BOX Double Door, Both side openable made out of 3.15 mm thick CRCA Sheet of suitable size with projected Globe roof for rain water protection duly treated through 8 tank pre treatment process and painted with epoxy powder coated mat finish of SIEMENS GREY structural RAL 7032 shade colour Dust and Vermin Proof , Double door with both side opening including Neoprene Rubber Gasket, suitable for 440 Volt 3 Phase 4 Wire System ,including Danger Plate, Earthing Strip Point and Ventilation Louvers at Rear Side, Bottom detachable Gland Plate complete with suitable size Zinc Chromium Plated Nuts, Bolts and Washers, etc. and embeded with 50X50X6mm Mild Steel Angle Iron Frame and 600 mm above the Normal Ground Level complete with internal connection with suitable size of cable,cable lugs,and cable glands PCC Foundation in Cement Concrete 1:3:6 (20mm Graded Stone Aggregate) and Testing after Installation complete all as specified and comprising of the following :–

Aluminium bas bar 800 Amps - 04 Nos, supported with suitable size of heavy duty porcelain stand lock with suitable size of brass nut, bolts and washer with heat shrinkable PVC sleeving. The bar shall be colour coaded (red, yellow and blue) for three phases and black for neutral.

MCCB 315 amps ,415 volt ,36 KA Breaking capacity 4 pole Electromagnetic release duly connected to Bus Bar As IN COMING - 01 Nos

Excavation in trenches, in any type of soil not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, etc or not exceeding 10 Sqm on plan and not exceeding 1.5m in depth for shafts, cesspits, manholes, pier holes, etc and getting out in any type of soil etc complete all as specified and directed.

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

Returning, filling in excavated approved soil, including spreading, leveling, watering and well ramming in layers not exceeding 25cm each complete all as specified and directed.

M & L in repair for dry sand cushioning to underground cables with 8cm thick before laying of cables and 15cm thick after laying and stretching of cable complete all as specified and directed. Note: Thickness of sand shall be measured after punned down for payment purposes.

M & L in repair for old size sub class ‘B’ bricks, laid in trenches as cable covers complete all as specified and directed.

Supply and fixing GI tubing, light grade, 80 mm bore with all fitting laid in trenches / pole / wall for protection of cables complete all as specified and directed.

M & L for horizontal boring mechanically across the existing road without disturbing the road surface for inserting 80/40 mm bore GI pipe complete all as specified and directed. ( Note :- GI pipe will be measured and paid respective item respective item of this BOQ).

Dismantling and Taking out of LT cable of size 70 sq mm 3.5 core from trenches (If Covered), Cut as necessary, pull out cable from trench/duct, and stack near site including support removal of binding, levelling, cleaning of trench/duct after removal, Backfilling of trenchs complete all as specified and directed.

M&L for Advance Maintenance Free G.I. SAFE EARTHING Electrode with PIPE of not less than 50 mm outer dia (THICKNESS NOT LESS THAN 2.5mm) and two meter length, The electrode should be of galvanised (80 -100 micron) along with earth lead as Galvanised steel strip of size 32 X6 mm 7.5 m . The GI Electrode shall be pre-filled with Cristaline Conductive Material (CCM) . The GI electrode shall be surrounded with 25 Kg BackFill compound to provide maximum contact between the electrode and Back Fill Compound. GI Electrode Shall be tested from CPRI.The earthing pit should be covered with PCC 1:2:4 , type B1 using 20 mm graded stone aggregate of size 450 x 450 mm complete all as specified and directed. Note : After completion earth resistance shall be recorded with earth megger and the record should be submitted to to department duly signed by contractor and Engineer in charge.

Please Enable Macros to View BoQ information