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

Amount

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 be measured and paid separately.

M&L for dismantling of existing InterLocking Paver Blocks of 60 mm thick and relaying the same at different location including Supply & laying a layer of 50 mm thick sand at base of blocks complete all as specified and directed by Engr-in-Charge. Note:- Rate qouted by the tenderer shall deemed to inclusive of Precast Paver block pavement, 50mm thick sand cushioning and including packing with PCC of size 300x110 mm of PCC 1:2:4, type 'B' (20 mm graded stone aggregate) on both sides of pavement.

S&F 100 mm bore galvanised steel tubing, light grade galvanised inserting in trenchless boring holes under road crossing, for cable protection including taking down existing un-serviceable GI 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. 7.00 here in before but of size 80 mm

All as per Sl. Item No. 7.00 here in before but of size 50 mm

Taking out existing un-serviceable XLPE Cable of any size in underground / alongwith pole or in any positon, complete all as specified and as directed. Note:- Excavation and earthwork (where required) shall be measured and paid separately.

Supply & laying LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 300 Sqmm x 3.5 Core, laid in trenches / duct / on pole complete all as specified and directed.

All as per Sl. Item No. 11.00 here in before but for cable of size 240 sqmm x 3.5 Core

All as per Sl. Item No. 11.00 here in before but for cable of size 185 sqmm x 3.5 Core

All as per Sl. Item No. 11.00 here in before but for cable of size 150 sqmm x 3.5 Core

All as per Sl. Item No. 11.00 here in before but for cable of size 95 sqmm x 3.5 Core

All as per Sl. Item No. 11.00 here in before but for cable of size 50 sqmm x 3.5 Core

All as per Sl. Item No. 11.00 here in before but for cable of size 25 sqmm x 3.5 Core

Re-laying only old servicable UG LT XLPE electric cable with alumimium conductor, 1100 volts grade of any size, laid in trenches / duct / on pole including necessary connections and suitale size thimbles complete all as specified and directed. Note : (i) Excavation, earth work, brick & sand coushoning (if required) shall be measured and paid seperately under relavent item. (ii) Serviceable cable obtained from taking down shall be used.

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 MCB SPN 40 to 100 Amp, 10 kA, 415V 'C' curve including taking down un-serviceable MCB complete all as specified and as directed.

S&F MCCB 4 pole 400 Amp, breaking capacity 36 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 including taking down existing un-serviceable MCCB complete all as specified and as directed.

All as per Sl Item No. 21.00 here in before but 250 Amps breaking capacity 25 KA

All as per Sl Item No. 21.00 here in before but 200 Amps breaking capacity 25 KA

All as per Sl Item No. 21.00 here in before but 160 Amps breaking capacity 25 KA

All as per Sl Item No. 21.00 here in before but 100 Amps breaking capacity 25 KA

M&L straight through cable joint kit, heat shrinkable type complete with jointing materials and accessories, suitable for 1.1 KV, 3.5 core XLPE aluminium conductor cable of size 240 to 300 Sqmm including taking down existing un-serviceable joint kit complete all as specified and directed.

All as per Sl Item No. 26.00 here in before but suitable for cable of size 3.5 core 150 to 185 Sqmm

All as per Sl Item No. 26.00 here in before but suitable for cable of size 3.5 core 70 to 120 Sqmm

All as per Sl Item No. 26.00 here in before but suitable for cable of size 3.5 core 25 to 50 Sqmm

M&L for removing electrical connections of 3 / 4 pole Air circuit breaker of capacity 400 to 1600 Amps, 415 V, 50 HZ of any make, strip opening of the ACB, inspecting the parts for serviceability / overhauling complete and carrying out following repairs / maintenance :- a) Cleaning insulation parts including bushings with CTC solution. b) Checking alignment and condition of movable and stationary contacts and adjust them all as per manufacturer's instructional manual. c) Checking the bolts, nuts, washers, cotter pins and all terminal connections are in place and tight, replacing worn-out parts. d) Checking arc chutes for damage and replacing damaged parts. e) Cleaning and lubricating the operating mechanism with light machine oil (SAE-20 or 30) for pins and bearings and with a non-hardening grease for wearing surfaces, adjusting breaker operating mechanism all as per manufacturer's instructional manual, replacing the same if there is excessive wear and tear. f) Checking / inspecting shunt trip coil for serviceability and replacing the same if required. g) Replacing worn or burned contacts, Checking control device free for operation. h) Checking after servicing the circuit breaker to verify the contacts move to the fully opened and fully closed positions, that there is an absence of friction and that the electrical operation is functional. Note : (i) The rate quoted deemed to be inclusive of T&P and minor spares like lubricants, nuts / bolts / washers / pins etc. (ii) Major spares like contacts, shunt trip coil, relays, CTs etc if replaced, shall be measured & paid separately.

S & F in repairs under voltage / trip / closing contact coil / auxilary contact block of make as per OEM & suitable for ACB of capacity 400 to 1600 Amps all as specified and directed.

S & F in repairs Arc chutes (for 415 V) of make as per OEM & suitable for ACB of capacity 400 to 1600 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 400 to 1600 Amps capacity complete all as directed.

S & F in repairs arcing contacts (fixed/ moving) of make as per OEM & suitable for ACB of 400 to 1600 Amps capacity complete all as 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, danger notice plate, 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...)

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, danger notice plate, 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...)

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, danger notice plate, 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...)

M&L for preparation of external surfaces of old existing LT panels indoor/outdoor type by scraping down old dusted paint by steel brush, brooming, rubbing and cleaning including spray painting with two coats of synthetic enamel paint over a coat of red oxide primer and marking feeders complete all as specified and as directed by Engineer-in-Charge.

M&L for decarburizing / cleaning complete LT 415 Volts 3 phase panel / bus bar chamber with electrical connections, bus bar, cleaning with CTC and ensure proper decarburizing, re-fixing the same after applying becktol Red solution to the bus bar insulator & checking all the connections, tightening the nuts, bolts & thimbles of incoming / outgoing system complete including replacement of defective rusted bolts & nuts all as specified and directed.

M&L for replacement of canopy, door, body etc. made out of 2/3.15 mm thick CRCA sheet of existing indoor / outdoor LT panel board, duly notched / punched cavity for operation of switch gear, duly power coated with two coats of synthetic enamel paint over a coat of primer, including providing new door hinges, water proof rubber beading / neoprone gasket and locking arrangement, danger notice boards, nut-bolts, mentioning panel details, fixing earth connections properly including welding work complete all as specified and as directed. Note:-Unit rate quoted shall deemed to include cost of locking arrangement, danger notice boards, etc reqd for one LT panel & Contraactor shall quote their rate accordingly.

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.

S&F on-load change over switch 250 Amp capacity, four pole, 415 volts, manual change over with Sheet metal enclosure including fixing in existing panel and necessary modification in the panel (if reqd) & taking down Un-serviceable on-load change over switch complete all as specified and directed.

S&F multifunction meter, digital type (displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, Karsh etc.) Class 1/0.5 with RS485 port for communication in Modbus protocol, accuracy class-1, e-navigator, including taking down old un-serviceable multifunction meter complete all as specified and as directed.

S&F PVC insulated 3 core multistranded sheathed cable with 2.5 Sqmm copper conductor FRLS grade including required PVC conduit to protect cable including taking down un-serviceable cable complete all as specified and directed.

M&L for disconnecting electrical connection of defective / burnt out UG LT cable of any size 2 to 4 core from LT Panels / main switch / DB / Junction boxe etc., excavating & taking out required length (3 to 5m) of existing cable from its loop, cleaning & cutting the defective portion of cable / old termination at end, providing new aluminium thimbles / lugs of suitable size and reconnecting the same with existing location and refilling of cable trench with existing sand and bricks complete all as directed. Note :- (i) The rate quoted shall include for necessary earth work and excavation. (ii) Serviceable sand and Bricks shall be re-used for protection.

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

All as per Sl item No. 46.00 here in before but suitable for cable of size 50 sqmm

All as per Sl item No. 46.00 here in before but suitable for cable of size 70 sqmm

All as per Sl item No. 46.00 here in before but suitable for cable of size 95 sqmm

All as per Sl item No. 46.00 here in before but suitable for cable of size 150 sqmm

All as per Sl item No. 46.00 here in before but suitable for cable of size 185 sqmm

All as per Sl item No. 46.00 here in before but suitable for cable of size 240 sqmm

All as per Sl item No. 46.00 here in before but suitable for cable of size 300 sqmm

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/s NATIONAL ENGINEERING CONSTRUCTIONS CO (BID ID -3234568)

SRIESWARI ENTERPRISES (BID ID -3234925)

KIRON ENGINEERING CORPORATION (BID ID -3235074)

SRIVALLI ENGINEERS (BID ID -3233854)

MONITOR ENGINEERING WORKS (BID ID -3240561)

GVR ENGINEERING WORKS (BID ID -3233270)