REPAIR / MAINT OF LT PANELS, DISTR FEEDER PILLAR BOXES, LT DISTR SYSTEM AND OTHER CONNECTED WKS AT NAUSENA BAUGH AND ALLIED AREAS UNDER AGE E/M NO-I OF GE (U-I) VISAKHAPATNAM

Amount

S&F danger notice plate of size 20 X 15 cm & 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size for LT including dismantling un-serviceable notice board complete all as specified and as directed. Note : Instruction shall be written in three languages Hindi, English & Telugu on Notice board.

M&L straight through cable joint kit, heat shrinkable type with jointing materials and accessories, suitable for 1.1 KV, 3.5 core XLPE insulated armoured aluminium conductor cable of size 240 to 400 Sqmm including taking down existing un-serviceable joint kit, complete all as specified and directed.

All as per Sl Item No. 2.00 here in before but suitable for cable of size 3.5 core 150 to 185 Sqmm

All as per Sl Item No. 2.00 here in before but suitable for cable of size 3.5 core 70 to 120 Sqmm

All as per Sl Item No. 2.00 here in before but suitable for cable of size 3.5 / 4 core 25 to 50 Sqmm

S&F MCCB 4 pole 250 Amp, breaking capacity 36 kA, Ics = 100% Icu, microprocessor release type with adjustable overload setting (0.4-1.0 ln), adjustable short circuit setting (1.5-10 lr) including necessary modification in the panel & taking down existing un-serviceable MCCB complete all as specified and as directed.

All as per Sl Item No. 6.00 here in before but 400 Amps

All as per Sl Item No. 6.00 here in before but 630 Amps

S&F MCCB 4 pole 100 Amp, breaking capacity 16 kA, 415 V, Ics = 100% Icu, thermal magnetic release type with adjustable overload setting (0.8-1.0 ln), adjustable short circuit setting (6-10 lr) including necessary modification in the panel & taking down existing un-serviceable MCCB complete all as specified and as directed.

All as per Sl Item No. 9.00 here in before but 250 Amps breaking capacity 36 KA

All as per Sl Item No. 9.00 here in before but 400 Amps breaking capacity 36 KA

All as per Sl Item No. 9.00 here in before but 630 Amps breaking capacity 36 KA

All as per Sl Item No. 9.00 here in before but 3 Pole 25 to 100 Amps breaking capacity 16 KA

S&F in repair spreader terminals suitable for MCCBs of rating 400 to 630 Amps & of any size complete all as specified. Note:- Spreader for one pole shall be measured as one unit.

Supply & laying LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 400 Sqmm x 3.5 Core, laid in trenches / passing through pipe / duct / on wall including taking down existing un-serviceable cable complete all as specified and directed.

All as per Sl item No. 15.00 here in before but cross sectional area 300 Sqmm x 3.5 Core

All as per Sl item No. 15.00 here in before but cross sectional area 240 Sqmm x 3.5 Core

All as per Sl item No. 15.00 here in before but cross sectional area 185 Sqmm x 3.5 Core

All as per Sl item No. 15.00 here in before but cross sectional area 120 Sqmm x 3.5 Core

All as per Sl item No. 15.00 here in before but cross sectional area 95 Sqmm x 3.5 Core

All as per Sl item No. 15.00 here in before but cross sectional area 50 Sqmm x 3.5 Core

All as per Sl item No. 15.00 here in before but cross sectional area 25 Sqmm x 4 Core

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out all excavated material in soft / loose soil complete all as specified and directed.

Returning, filling in trenching with soil and including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed.

Removing of excavated surplus soil to a distance n. exc 50 m and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed.

M&L sand cushioning with clean and dry sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness of sand coushioning shall only measured and paid.

Supply & laying sub class 'B', class designation 75 bricks of old size, laid over sand cushioning along alignment of cable as protection to cable in trenches including taking out old bricks complete all as specified and directed. Note : Sand cushioning will measured and paid seperately.

M&L for cutting the tarmac / hard standings in road and excavating trenches across the road in size not exceeding 0.45 m wide and 0.6 m depth for laying cable including refilling earth & making good top surface of the disturbed portion with 100mm thick PCC 1:3:6 or bituminous mix as per existing & matching with the surroundings complete all as specified and directed.

S&F in repairs for cable route indicator for LT UG cable, 1100 Volt grade made out of 4mm thick MS sheet in round shape of dia not less than 200mm, embossed with LT Cable on it, bolted with 2 nut of suitable size at top of 40 x 6 mm MS flat iron of length not less than 1 meter, complete metal surfaces painted with 2 coats of synthetic enamel paint over a coat of primer & bottom of flat iron embedded in PCC 1:3:6 type C2 of size 200mm x 200mm x 500mm (400mm below ground level and 100mm above ground level), exposed surface of concrete painted with 3 coats of white wash including necessary earth work complete all as specified and directed. Note:- Rate qouted shall deemed to be inclusive of cable route indicator, earth work, excavation and concrete complete.

S&F 50 mm bore galvanised steel tubing, medium grade, inserting in trenchless boring holes under road crossing, for cable protection including taking down existing Un-serviceable G.I. pipe complete all as specified and directed. Note:- Trenchless boring holes shall be measured & paid under separate item of work.

All as per Sl item No. 30.00 here in before but 80 mm bore

M&L for taking out / jointing / cutting / welding work to loose or separated door / canopy / front & back sheet covers etc of existing LT panel and refixing the same to make opening and closing of door smooth including providing new nut-bolts, hinges, locking arrangement etc as required at site, fixing earth connections properly complete all as specified and directed.

Decarbonising / cleaning of Existing LT panel cubical type of size from 0.5m x 0.5m x 0.3m to 1.5m x 1.5m x 0.6m, consisting of bus bar and circuit chamber, metering chambers CTs and relays chambers, checking the bus bar joints, bus bar and circuit spouts, cleaning and applying Busbar Insulation Tape to the bus bars , checking the current transformer, applying Monoplast compound at the bus bar joints after tightening of joints ,replaced new suiable size of lugs /suitable copper control cable and reassembling , if any rusted sheet replaced with new sheet as per existing size including 01 coat of synthetic enamel paint of approved colour and writing panel number complete all as directed by Engineer-in-Charge. Note:- Cost of lubricant/ cleaning agents (CRC & rust remover)/ insulation tape / hardware like springs/ bolts/ nuts/ washers, suitable copper cables cost of labour, T&P required for replacement shall be etc. shall be deemed to be included in the rate quoted.

M&L for removing connections of old LT UG cable of size 16 to 100 Sqmm, 3.5 / 4.0 core from existing MCCB / ACB of LT Panel including cutting & removing the burnt end & reconnecting the same with existing MCCB / ACB with & including new aluminium thimble / lugs set, covering with proper insulation tape, clamps, nut bolts etc (as required) complete all as specified and as directed.

All as per Sl item No. 34.00 here in before but for old LT UG cable of size 120 to 400 Sqmm,

S&F in repair epoxy insulators suitable for supporting of busbars with panel board base including nuts and bolts and making holes in the CRCA sheet all as as required at site and as directed by Engr-in charge.

S&F in repair current transformer, Ratio 100 - 400 / 5, accuracy class 1, burden upto 5VA complete all as specified and directed.

All as per Item No. 37.00 but ratio 500-1000 / 5

S&F in repair phase indicator lamps (Red, Yellow and blue) suitable for fitting in existing panel complete all as specified and directed.

M&L hardcore of gauge not exc. 63 mm, deposited, spread and leveled in layers not exc. 15 cm thick, watered and rammed to a true surface using broken stone or boulders complete all as specified and directed.

S&F in repair aluminium lugs to cable end suitable for cable of size of 25 to 95 sqmm complete all as specefied and directed.

All as per Sl item No. 43.00 here in before but suitable for cable of size of 120 to 240 sqmm

All as per Sl item No. 49.00 here in before but suitable for cable of size of 300 to 400 sqmm

S & F in repairs cluster contact of make as per OEM & suitable for air circuit breakers of capacity 630 to 1000 Amps all as specified and directed.

S & F in repairs Tripping coil (110 /220 V DC or 240 V/415 V AC) of make as per OEM & suitable for air circuit breakers of capacity 630 to 1000 Amps all as specified and directed.

S & F in repairs auxilary contact block of make as per OEM & suitable for air circuit breakers of capacity 630 to 1000 Amps all as specified and directed.

S & F in repairs arc chutes of make as per OEM & suitable for air circuit breakers of capacity 630 to 1000 Amps all as specified and directed.

S & F in repairs rating plug of make as per OEM & suitable for air circuit breakers of capacity 630 to 1000 Amps all as specified and directed.

S & F in repairs shunt release (110 / 220 V DC or 240 / 415 V AC) of make as per OEM & suitable for ACB of 630 to 1000 Amps capacity complete all as directed.

S&F in repairs Earth fault release Type EF 2 (30%, 40%, 50% In) of make as per OEM and suitable for ACB of any capacity complete all as specified and directed.

S&F in repairs Under Voltage releaseType MV, 415 V of make as per OEM and suitable for ACB of any capacity complete all as specified and directed.

S & F in repairs arcing contacts (fixed / moving) of make as per OEM & suitable for ACB of 630 to 1000 Amps capacity complete all as directed.

S&F in repairs microprocessor based protection release of make as per OEM and suitable for ACB of any capacity complete all as specified and directed.

S&F in repairs mechanical operation counter of make as per OEM and suitable for ACB of any capacity complete all as specified and directed.

S&F in repairs racking padlock assembly of make as per OEM and suitable for ACB of any capacity complete all as specified and directed.

S&F in repairs spring charge indication switch of make as per OEM and suitable for ACB of any capacity complete all as specified and directed.

S&F in repairs AN1 remote annunciation module 240 V of make as per OEM and suitable for ACB of any capacity complete all as specified and directed.

Labour only for identifying, diagnosing, tracing, checking & rectifying LT faults, tracing location by meggering the lines, faults in panels, LT switch gears at any location, any time round the clock (for 24 hours) and rectifying it to restore the supply within time limit at various locations using appropriate fault locator, cable route locator etc. complete all as specified and directed. Note:- 1. All the activities to trace the fault and rectifying & restoring the supply shall be carried out within specific reasonable time as directed by the Engineer-in-charge. 2. The cost of required tools (T&P), minor items such as lugs, nuts, bolts, insulation tape and safety equipments required for the job are deemed to be included in the unit rate quoted against this item & nothing extra shall be paid by the department. 3. Safety of manpower deployed for the job is contractor’s responsibility. In case of any accident / fatal injury, contractor shall be held responsible to settle all claims and nothing extra shall be paid to the contractor on this account. 4. The cost of all manpower (any number) for the job is deemed to be included in the quoted unit rate 5. The cost of Fault identification by use of fault locator (if needed) is catered in separate Items.

M&L for detecting LT UG cable faults located in any stretch / depth with sophisticated cable fault locator consisting of microprocessor based pre-locator system, HV surge generator, fault pin point surge wave receiver, cable identification instrument , cable tracer for exact location of under ground cable routes complete all as directed. Note:- The rate quoted deemed to be inclusive of arrangement of necessary fault locator equipment, transportation of equipment& charges for service engineer.

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 connected to earthing test point including dismantling un-serviceable earthing complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI medium grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

M&L for taking out loose or separated door / canopy / front & back / top sheet covers etc of existing LT panel and fixing new CRCA sheet of thickness of 3.15 mm the the same to make opening and closing of door smooth including providing new nut-bolts, hinges, locking arrangement etc as required at site, fixing earth connections properly complete all as specified and directed.

S&F cubical type LT panel board, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC 1:3:6, 150 mm thick (100 mm below & 50 mm above GL) all round the panel board and including necessary earth work. (Contd...)

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