REPAIR AND MAINTENANCE OF LT OVERHEAD LINE, LT PANELS, EARTHING, UG CABLE AND CERTAIN MISC EM WORKS AT UMROI MIL STN UNDER GE UMROI

Amount

Excavation in trenches n.exc 1.5 matr wide and n.exc 1.5 mtr in depth for foundation of pole and laying of UG cable and getting out in soft/loose of soil, complete all as specified and directed.

Excavation in trenches n. exc 1.5 mtr wide and but exc 1.5mtr in depth for foundation of pole and getting out in soft/loose of soil complete all as specified and directed.

Returning filling in and including spreading, levelling, watering and well ramming in layers not exceeding 25cm, completed all as specified and directed.

Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5M above the starting point, completed all as specified and directed. complete all as directed.

M&L PCC 1:3:6 type C-2 (using 40 mm graded crushed stone aggregate) cement concrete in as in foundation filling of pole and mass concrete for stay, complete as specified and directed.

M&L PCC 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) for copping of pole, as in benching including whitering slightly chamferred angles and finished exposed surfaced even and smooth including necessary form work, complete as specified and directed.

Dismantling steel poles/ struts, any size, complete as specified and directed.

Dismantling cross-arms of M.S. channel or angle sections etc. complete and setting aside for re-use with in 50m etc, complete as specified and directed.

Dismantling earth wire or copper conductor, service feeder or distributor span, complete as specified and directed.

Dismantling of ACSR or AAC conductors, complete as specified and directed.

Dismantling stay assembly complete. (demolition of concrete, etc. and excavation measured separately), complete as specified and directed.

Dismantling insulators any type, any size, complete as specified and directed.

M&L Steel Tubular swaged pole complete with cast iron base plate, final taper, bolts, nuts and screws etc as specified for type 410-SP-31 (9.00 mtr long) including painting with two coats of aluminium paint over one coat of red oxide primer, duly drilled hole 6nos at top portion of pole for fixing D clamp insulators complete all as specified. (Note: cost of D clamps shall be measured and paid separately).

S&F structural steel work conforming to grade Fe-410S as in cross arms, bracing, supports, clamps and back plates fabricated from structural steel sections, including , nuts, bolts, washers, welding , bending cold or hot drilling holes for bolts in any shape or size as indicated or directed and inclusive of one primer coat, one under coat , one finishing coat of aluminium paint and epoxy coating, complete as specified and directed.

M&L Continous earth wire/guard cradle horizontal/rectangular fabricated with 4mm dia galvanized mild steel, binding wire complete all as specified and directed by Engineer-in-charge.

M&L Aluminium conductors, reinforced (ACSR) conductor of any size for OH lines including stretching, binding with aluminium binding wire, jumpers, line taps etc complete all as directed.

S&F Stay assembly complete with stay rod 20 mm accessories all as shown in plate No. 1 of SSR Part-I including galvanised steel wire stranded stay strand of size 7/4mm with loop type insulator stay clamps, excavation and PCC work etc complete all as specified directed.

M&L for fixing of Pin type, silicon polymer insulator incl one galvanised mild steel spindle, two galvanised iron washerrs,and one galvanised iron nut, 100 mm height, 65 mm dia ,suitable for 1100 Volt,and as directed by engineer in charge.

M&L for fixing of shackle type, silicon polymer insulator incl one galvanised mild steel spindle, two galvanised iron washerrs,and one galvanised iron nut, 100 mm height, 115 mm dia ,suitable for 1100 Volt,and as directed by engineer in charge.

S&F Porcelain aerial fuses 60 amp max dia 3mm, suitable for line wire, with brass contact bolts and nuts complete all as directed.

S&F for lightening arresters expulsion type complete with all fittings,transmission class, discharge cap 65 KA including taking down complete all as specified and directed

M&L for Anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole complete all as directed.

Supply, laying connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty) of size 240 sqmm 3 & 1/2 core, aluminium stranded conductor 1100 volts grade, laid through duct/ pipe / in trench etc. with cable glands & lugs including taking down of cable, complete all as specified and directed. (Note: Taking down of old unsv cable is to be included in the quoted rate)

All as per Sr. Item No.23 here in before but cable size of area 185 Sqmm 3.5 core

All as per Sr. Item No.23 here in before but cable size of area 120 Sqmm 3.5 core

All as per Sr. Item No.23 here in before but cable size of area 95 Sqmm 3.5 core

All as per Sr. Item No.23 here in before but cable size of area 70 Sqmm 3.5 core

All as per Sr. Item No.23 here in before but cable size of area 50 Sqmm 3.5 core

All as per Sr. Item No.23 here in before but cable size of area 35 Sqmm 3.5 core

All as per Sr. Item No.23 here in before but cable size of area 25 Sqmm 4 core

All as per Sr. Item No.23 here in before but cable size of area 16 Sqmm 4 core

All as per Sr. Item No.23 here in before but cable size of area 25 Sqmm 2 core

All as per Sr. Item No.23 here in before but cable size of area 10 Sqmm 2 core

Supply & filling sand cushioning to the under ground cable 8 cm before laying the electric cable and 15 cm after laying the cable, complete all as specified. Note : For the purpose of payment only punned thickness will be measured.

Supplying and laying un-reinforced precast concrete cable cover, class HVP, Type 3, flat, size 450mm x 180mm x 40mm ISI marked, complete all as directed.

Supply & fix 40 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed.

Supply & fix 50 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed.

Supply & fix 80 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed.

Supply & fix 100 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed.

Supply and fix in repair of GI strip of earthig and making proper earth testing point from pole ,panels and transformer of size(32x6mm)and as directed by Engineer-In-charge.

Supply and fix in repair of aluminium strip of earthig and making proper earth testing point from pole ,panels and transformer (size not less than 25x3.15mm) and as directed by Engineer-In-charge.

S&F for cable End termination joint suitable for 1100 volt grade LT cable, out door/indoor type terminal heat shrinkable type joint complete with all jointing material and accessories suitable for 3.5/4 core XLPE LT cable of size 70 sqmm to 150 sqmm complete all as directed.

S&F for cable End termination joint suitable for 1100 volt grade LT cable, out door/indoor type terminal heat shrinkable type joint complete with all jointing material and accessories suitable for 3.5/4 core XLPE LT cable of size 185 sqmm to 300 sqmm complete all as directed.

M&L for straight through LT joint kit suitable for LT cable, 1100 volt, heat shrinkable type joint complete with all jointing material and accessories suitable for 3.5 core cable of size 70 sqmm to 150 sq mm complete all as directed

M&L for straight through LT joint kit suitable for LT cable, 1100 volt, heat shrinkable type joint complete with all jointing material and accessories suitable for 3.5 core cable of size 185 sqmm to 240 sqmm complete all as directed

Earthing complete with galvanised steel earth plate electrode 60 cm x 60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level. connecting to the Galvanised iron earth wire 4.0mm dia by means of bolls, nuts, check nuts and washers of galvanised iron and earth wire protected by provision of GI medium grade pipe 15mm bore including provision of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agregates with 40mm thick cover of RCC (1:2:4) reinforeed with XPM weight not less than 4 Kg/Sqm) and frame of angle iron 40x40x6mm with lugs 02 Nos and handle of 6mm dia MS bar made to shape, GI light grade 20mm bore pipe for watering , perforated at botytom. 1.75 metre long placed on top edge of earth plate. charcoal and common salt filled 150 mm thick all around the earth plate test point made out of 40x8mm FI galvanised with fixing arraangement, funnel wire mesh and earth work in any type of soil returing filling in and removal of surplus soil to a distance not exceeding 50 meters all as per electical plate 3 of SSR-2009 Part-I and connecting to earth test point all as specified or indicated including testing on completion.

Earthing complete with galvanised steel earth plate electrode 60 cm x 60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level. connecting to the Galvanised iron earth strip 32x6mm size by means of bolls, nuts, check nuts and washers of galvanised iron and earth strip protected by provision of GI medium grade pipe 40mm bore including provision of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agregates with 40mm thick cover of RCC (1:2:4) reinforeed with XPM weight not less than 4 Kg/Sqm) and frame of angle iron 40x40x6mm with lugs 02 Nos and handle of 6mm dia MS bar made to shape, GI light grade 20mm bore pipe for watering , perforated at bottom. 1.75 metre long placed on top edge of earth plate. charcoal and common salt filled 150mm thick all around each plate, test point made out of 40x8mm flat iron galvanised with fixing arraangement, funnel wire mesh and earth work in any type of soil returing filling in and removal of surplus soil to a distance not exceeding 50 meters all as per electical plate -3 of SSR-2009 Part-I and connecting to earth test point all as specified or indicated including testing on completion.

Material & Labour for Painting with one coats of sythetic enemal paint over a coat of primer upto 1.5 meter above the ground level with black and yellow colour alternatively 25 cm intervel from bottom of pole and the coping of the pole of 9 meter RCC/tubular Poles, complete all as specified and as directed.

Material & Labour for painting steel tubular poles 9 mtr height with one coat of aluminium paint from bottom to top including cross arms etc after cleaning and preparing the surface and marking alternate yellow and black strips 30 cm height total 5 Nos with two coats of synthetic enamel point over a coat of primer complete all as specified and as directed.

M&L for numbering on RCC/PCC or tubular pole, writing neatly on the poles 1.5 meter above ground level with letters and two to three numbers, Lettering/numbering shall be encireled with yellow colour of 180 to 200 mm dia over the black strip on pole, all as directed by Engr-in-Charge. (The size of letter shall not be less than 40 mm height and letters shall be red in colour)

Supply and fix in repairs of MCCB microprocessor release conforms to IS/IEC 60947-2 Ics 100% Icu ETM with in- built Earth fault protection adjustable overload 40-100% adjustable short circuit 2-12 Ir, relaese range 160-400Amp in Frame 3, 4 Pole breaking capacity Icu at 415 volt AC , 36 KA , including fixing to the existing panel board matching with the existing slots, including any alteration required and with extention links properly connected to the bus bar complete all as directed.

Supply and fix in repairs of MCCB Thermal Magnetic release conforms to IS/IEC 60947-2 Ics 100% Icu ETM with in- built Earth fault protection adjustable overload 80-100% Fixed short circuit 10 Ir, rated current 160Amp in Frame 2, 4 Pole breaking capacity Icu at 415 volt AC , 25 KA including fixing to the existing panel board matching with the existing slots, including any alteration required and with extention links properly connected to the bus bar complete all as directed.

Supply and fix in repairs of MCCB Thermal Magnetic release conforms to IS/IEC 60947-2 Ics 100% Icu ETM with in- built Earth fault protection adjustable overload 80-100% Fixed short circuit 10 Ir, rated current 200Amp in Frame 2, 4 Pole breaking capacity Icu at 415 volt AC , 25 KA including fixing to the existing panel board matching with the existing slots, including any alteration required and with extention links properly connected to the bus bar complete all as directed.

Supply and fix in repairs of MCCB Thermal Magnetic release conforms to IS/IEC 60947-2 Ics 100% Icu ETM with in- built Earth fault protection adjustable overload 80-100% Fixed short circuit 10 Ir, rated current 250Amp in Frame 2, 4 Pole breaking capacity Icu at 415 volt AC , 25 KA including fixing to the existing panel board matching with the existing slots, including any alteration required and with extention links properly connected to the bus bar complete all as directed.

Supply and fix in repairs of MCCB Thermal Magnetic release conforms to IS/IEC 60947-2 Ics 100% Icu ETM with in- built Earth fault protection adjustable overload 80-100% Fixed short circuit 10 Ir, rated current 63-100Amp in Frame 1, 4 Pole breaking capacity Icu at 415 volt AC , 25 KA including fixing to the existing panel board matching with the existing slots, including any alteration required and with extention links properly connected to the bus bar complete all as directed.

Supply and fix in repairs of MCB 4 pole 415V, capacity 63 amp 10 KA, C' series complete all as directed.

M&L for carrying out any repair woks to panel board LT with clearing any dent /deformation to panel cover, replacing/providing bolts, nuts, vermin proof rubber beedings with welding work etc.including making up with the existing colour paint of any type and size of panel, complete all as directed.

Supply and fix in repairs and testing commissioning for indication lamps with showing red, yellow and green in colour of 22.5mm dia to monitor on panel board suitable for 240V AC supply as existing at site,as specified and directed.

Supply and fix in repair Multifunction meters 3 phase voltage, current, frequency with communication accuracy class 1 (0.5 optional) 2 output, contact for trip LED display use on LT/HT system testing complete all as directed.

Supply and fix in repair fabricated junction box out door type comprising of enclosure made out of 3 mm thick CRCA sheet of size 200mmx200mmx150mm meter powder coated, front openning, duly screw locking arrangement with 2 Nos of aluminium busbar of 200 amps 1100 volt grade , busbar duly fixed and including post insulaters with provn of 02 nos cable gland holes suitable for 01 incoming/ 01 outgoing the cable. and provided with rubber bushing with provn of earth connection nuts, bolts testing complete all as directed.

Supply and fix in repair VTPN (Vertical Three Pole and Neutral) Distribution Board with provision of WiNbreak MCCB as incommer 100A DD04 way, IP 43, ISI marked complete all as specified and directed by Engr-in-Charge. Cat pt CSDBMCCB100DD04IP43S of C&S or its equivalent make: Havells/L&T/ABB/Schnieder.

Supply and fix in repair DIN type HRC fuses (Conforms to IS: 13703-1 & 2-1 / IEC:60269-1 & 2-1) capacity 63-100A 415 volts breaking cap 80KA complete all as directed.

Supply and fix in repair heavy duty capacitor 440 volt cylindrical series LTCCH rating 5 to 15 KVAR vertical operation ISI marked testing complete all as directed

Supply and fix in repair heavy duty capacitor 440 volt cylindrical series LTCCH rating 20 to 30 KVAR, vertical operation ISI marked testing complete all as directed

Restretching of existing loose OH,LT/HT ACSR conductor wire including GI wire along the span of poles for sagging withing the permissible limit, including binding/rebinding/joining with Aluminium winding wire in case of breakge of condouctor, size of winding wire shall not be less than 2 sqmm complete all as specified and directed by Engr-in-charge. Note : (i) Nathing extra is admissible on account of jointing material and labour in case the conductor breaks during stretching.

M&L for trimming /cutting tree branches with clearing space upto 2 meter from the over head conductor system all around for LT/HT distribution system, Complete all as specified and as directed. (Note : contractor shall take electric shutdown befor start work from main station and start line after triming of tree and informed to the JE/Engineer-In-Charge)

Schedule of Credit

M S Umesh and Co

M/S U.K ENTERPRISE

M/s A L Traders

N.V.ENGINEERING