SPL REPAIR TO CONVERSION OF 03 NOS OF 4 POLE STRUCTURE WITH RMU AT UMROI UNDER GE UMROI

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.

Excavating in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and exceeding 1.5 m but not exceeding 3 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

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

M&L for cement concrete in foundation, filling and mass concrete in M15(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M&L for cement concrete M10 (Nominal Mix) using 20 mm nominal size coarse aggregate in roof kerbs or mud stops, rounded or chamfered on edges or slab staging for water tank or filling of chowkhats complete all as specified and as directed.

Dismantling 4 Pole Stucture with all Accessories like GOD, DO Fuse, ACSR, Disc Insulator, Pin Insulators of any size and Depositing to MES Storeyard complete all as directed.

Supply, installation, testing and commissioning  of  outdoor type 12 KV rated voltage, operated voltage 11 KV, 630 A, 1min rated frequency, 50 Hz rated peak current 52.5 KA peak rated short time current, 21 KA for 3 sec with internal Arc of 21 KA for 1 sec for both tank and cable box, SF6 insulated Ring Main Unit with tank made of not less than 2.5 mm thickness stainless- steel sheet with manual tig welding and front cable termination, with copper bur bars and RMU coupling shall be from side only.  RMU as complete consisting of 01 Nos motorized VCB 630 A as incomers and 03 Nos of motorized VCB 630 A as out going and  1 No. dummy box completely pre wired and fitted with and including battery charger 230 V AC, output 24 V DC current rating 10 A with 24V DC VRLA battery (2 X 12 V DC)-14 AH to meet the auxillary supply of the RMU unit. MCB for battery Input and MCB for battery output to be provided.RMU shall be with self-powered SCADA compatible overload and earth fault protection (CSDPR V2 type protection relay with RS 485 communicable port) ready for service indicator, capacitance voltage indication, fixed type VPIS, push on type cable boots for all VCBs.  VCB shall be with low energy trip coil, counter & mechanical emergency push button, RMU shall be with local/remote selector switch 2 Pole, 2 way lockable type with 1C/O remote contact, CTs shall be of CTR 200-100/1-A of class 5P 10,2.5 VA, STC 21KA/1sec and cable boxes shall be provisioned for connecting cable 1 R x 3C x120 Sqmm aluminium power cable.  RMU shall be with mechanical indicators for position on-off earth and mimic diagram at the front facia of the RMU, manometer shall be with remote contacts, complete all as specified and directed. :Siemens-8DJHST-LLLLLL + Dummy box or equivalent model in ABB/Schenider/BHEL

M&L in repairs for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for HT, 250 mm X 200 mm, including taking down unsvn, complete all as specified and as directed.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 120 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing including taking down complete all as specified and as directed. Note : PCC route indicators to be fixed on every 50 mtr distance duly written 'HT CABLE' on each route indicator and quoted rate is deemed to be included for the same.