REPAIR MAINTENANCE OF EARTHING PITS SUB MAIN LT PANEL BOARD MCCB MCB DB MCB AND OTHER ACCESSESSORIES FOR MD ACCN AT NAVAL STATION KARANJA

Amount

Material and Labour for submain wiring with 2 runs of single core 6 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts conforming to IS-694 2010 with ISI mark, drawn through existing PVC conduit 25 mm bore / PVC casing capping 25 mm size including one run of 6 Sqmm FRLSH PVC insulted multistranded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 6 Sqmm and one run of 6 Sqmm earth wire will be measured as one running metre

Material and Labour for submain wiring with 2 runs of single core 4 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts grade conforming to IS-694 2010 with ISI mark, drawn through existing PVC conduit 25 mm bore / PVC casing capping 25 mm size including two run of 4 Sqmm FRLSH PVC insulted multistanded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 4 Sqmm and one run of 4 Sqmm earth wire will be measured as one running metre

Material and Labour for submain wiring with 2 runs of single core 10 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts conforming to IS-694 2010 with ISI mark, drawn through existing PVC conduit 25 mm bore / PVC casing capping 25 mm size including one run of 10 Sqmm FRLSH PVC insulated multistranded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 10 Sqmm and one run of 10 Sqmm earth wire will be measured as one running metre

Material and Labour for submain wiring with 2 runs of single core 6 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts conforming to IS-694 2010 with ISI mark, drawn through and including PVC conduit 25 mm bore including one run of 6 Sqmm FRLSH PVC insulated multistranded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 6 Sqmm and one run of 6 Sqmm earth wire will be measured as one running metre

Material and Labour for submain wiring with 2 runs of single core 4 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts grade conforming to IS-694 2010 with ISI mark, drawn through and including PVC conduit 25 mm bore including two runs of 4 Sqmm FRLSH PVC insulated multistanded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 4 Sqmm and one run of 4 Sqmm earth wire will be measured as one running metre

Material and Labour for submain wiring with 2 runs of single core 10 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts conforming to IS-694 2010 with ISI mark, drawn through and including PVC conduit 25 mm bore including one run of 10 Sqmm FRLSH PVC insulated multistranded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 10 Sqmm and one run of 10 Sqmm earth wire will be measured as one running metre

Material and Labour for submain wiring with 2 runs of single core 2.5 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts grade conforming to IS-694 2010 with ISI mark, drawn through existing PVC conduit 25 mm bore/ PVC casing capping 25 mm size including two runs of 2.5 Sqmm FRLSH PVC insulated multi stranded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 2.5 Sqmm and one run of 2.5 Sqmm earth wire will be measured as one running metre

Material and Labour for submain wiring with 2 runs of single core 2.5 sqmm FRLSH PVC insulated, unsheathed multi stranded copper conductor cable, 1100 Volts grade conforming to IS-694 2010 with ISI mark, drawn through and including PVC casing capping 25 mm size including one run of 2.5 Sqmm FRLSH PVC insulated multistranded copper conductor cable, 1100 Volts grade conforming to IS -694, 2010 green colour for earth continuity and connecting up to common earth dolly complete all as specified and directed by Engr-in-Charge. Note:- Two runs of 2.5 Sqmm and one run of 2.5 Sqmm earth wire will be measured as one running metre

Supply and Fix MCB SPN distribution board sheet steel, phosphate and powder painted MCB DBs with busbar neutral link, earth bar and DIN rail conforming to IS, 4 way double door, 230 volts, 50 HZ, AC, complete all as specified and directed by Engr-in-Charge.

Supply and Fix MCB SPN distribution board sheet steel, phosphate and powder painted MCB DBs with busbar neutral link, earth bar and DIN rail conforming to IS, 8 way double door, 230 volts, 50 HZ, AC, complete all as specified and directed by Engr-in-Charge.

Supply and Fix MCB SPN distribution board sheet steel, phosphate and powder painted MCB DBs with busbar neutral link, earth bar and DIN rail conforming to IS, 12 way double door, 230 volts, 50 HZ, AC, complete all as specified and directed by Engr-in-Charge.

Supply and Fix in MCB distribution board TPN, 4 ways, 415 Volts, 50 Hz, AC, double door made out of sheet metal phosphated and painted with epoxy polyster based powder paints with 200 Amps rated bus bar and earth bar, ISI marked complete all as specified and directed by Engr-in-Charge. Make : Havells or equivalent of L&T/Legrand/HPL

Supply and Fix in repair double door MCCB DB VTPN 4 way made out of 18SWG CRCA steel sheets, Phosphate and powder coated with copper bus bar, Earth stud, DIN Rail, Polyamide Terminal Blocks for incoming and outgoing circuits, inbuilt loose wire box, Ground terminal blocks, with thimble flame retardant copper conductors and 250 Amps rated bus bar double door open able complete, including taking out old unserviceable MCB DB any size/type, complete all as specified and directed by Engr-in-Charge.

Supply and Fix in repair MCCB 4 Pole, 125AMP thermal release range 63-80 Amps of breaking capacity 16 kA, 415 Volts, 50 Hz, Series complete all as specified and directed by Engr-in-Charge.

Supply and Fix in repair MCCB 4 pole, 100AMP, thermal release range 80-100 Amps of breaking capacity 16 kA, 415 Volts, 50 Hz, Series complete all as specified and directed by Engr-in-Charge.

Supply and Fix in repair MCCB 4 pole, 63 AMP thermal magnetic release range 63-80 Amps of breaking capacity 16 kA, 415 Volts, 50 Hz, Series complete all as specified and directed by Engr-in-Charge.

Checking of earth resistace and continuity in all married accommodation DBs and all points and checking of voltage differences in between earth and neutral points between phase and neutral /phase and earth also making Register and properly note down the value volts of initial and rectified value and getting signature from engr-in charge will also be included in the job. Note :- Checking should be carried out through Digital multi meter of reputed company of ISI marked and will get approved from engr-in-charge before commencing testing and the required sub main wiring and point wiring required for rectification will be measured and paid under relevant item above

Material and labour for enhancement of soil resistivity of earthing by taking out pit cover and filling salt water through watering pipe of earth pit for improvement of earth resistance and making earth connection good by tightening nut, bolts or replacing nut, bolts and washers if necessary, complete all as specified and directed by Engr-in-charge.

Material and Labour for cutting of wall/ceiling/column for laying submain of any size including plastering ,white wash complete all as specified and directed by Engr-in-Charge.

Supply and fix LT PANEL consisting space to fix a 9 Nos meter and providing 9 Nos MCB DP 40 with enclosure for protection of METER. single door fixed type wall mounted CRCA sheet 2mm thickness sheet enclousure. The rates including taking down old meter and connecting in new panel with required wires without any extra cost complete all as specified and directed. The panel should consist of the following :- INCOMING (1) MCCB 100 AMP 4 P 16 kA thermal magnetic based with o/c, s/c protection & ROH - 01 No (2) Indicating lamps RYB-03 Nos (3) Digital type voltmeter and ammeter indicators OUT GOING :(1) 40 amp MCB DP 10 kA with enclosure-9 Nos. (2) Space for refixing existing/Automatic/ Pre paid/ Postpaid meter electrical meter - 09 Nos. Note :- Contractor should visit the site and to prepare panel as per size required to fit in below stair case complete all as specified and directed by Engr-in-charge

Supply and fix LT PANEL consisting space to fix 5 Nos meter and providing 5 Nos MCB DP 40 with enclosure for protection of METER . single door fixed type wall mounted CRCA sheet 2mm thickness sheet enclousure. The rates including taking down old meter and connecting in new panel with required wires without any extra cost complete all as specified and directed. The panel should consist of the following :- INCOMING (1) MCCB 100 AMP 4 P 16 kA thermal magnetic based with o/c, s/c protection & ROH - 01 No (2) Indicating lamps RYB - 03 Nos. (3) Digital type voltmeter and ammeter indicators OUT GOING : (1) 40 amp MCB DP 10 kA with enclosure-5 Nos. (2) Space for refixing existing /Automatic/ Pre paid/Postpaid meter electrical meter -06 Nos. Note :- Contractor should visit the site and to prepare panel as per size required to fit in below stair case complete all as specified and directed by Engr-in-charge

Supply and fix LT PANEL consisting space to fix 11 Nos meter and providing 11 Nos MCB DP 40 with enclosure for protection of METER. single door fixed type wall mounted CRCA sheet 2mm thickness sheet enclousure. The rates including taking down old meter and connecting in new panel with required wires without any extra cost complete all as specified and directed. The panel should consist of the following :- INCOMING (1) MCCB 250 AMP 4 P 16 kA thermal magnetic based with o/c, s/c protection & ROH - 01 No (2) Indicating lamps RYB-03 Nos. (3) Digital type voltmeter and ammeter indicators OUT GOING : (1) 63 amp MCB DP 10 kA with enclosure-11 Nos. (2) Space for refixing existing/Automatic/ Pre paid/Postpaid meter electrical meter -11 Nos. Note :- Contractor should visit the site and to prepare panel as per size required to fit in below stair case complete all as specified and directed by Engr-in-charge

Material and Labour for dismantling of existing panel including disconnecting connected cables, etc and Supply, Installed, Testing and Commissioning cubical type LT Panel floor mounted OUTDOOR type for 415V, 3 phase 4 wire sysytem 50 Hz AC supply, factory made fabricated from MS sheet totally enclosed, dust weather proof and vermin proof for outer shell having TPN aluminium bus bar rating 1.5 times that of controlling MCCB supported on bottom base channel MS section not less than 100mm x 50mm x 5 mm thick, entire panel shall have a common aluminium earth bar of size 25mm x 5mm at the rear with 2 Nos earth stud, solid connection from main bus bar to switchgears with required size of copper wiring with minimum 2.5 Sqmm PVC insulated copper conductor cable , cable alleys, cable gland plates in two half and general construction confirming to IS / IEC-61439-2 : 2011 and wall/floor mounted on suitable PCC foundation with follwoing detailed specification & control complete with suitable fixing accessories, complete all as specified and directed by Engr-in-Charge.

OUTER SHELL :- The outer shell shall be made of 3.00 mm thick CRCA body & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vent gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armoured cable of adequate size of glands. The dimension of the outer shell shall be adequate to accommodate inner shell described below 50 mm space all around and shall be fabricated in such a way that the complet inner shell alongiwth its control gears/MCCB and accessories should be taken outside without disturbing outer sheel. The outer shell shall be mounted on a zinc metal coated stand. Provision of threaded earthing studs at bottom and lifting lugs of suitable size at top to lift the feeder pillar box safely shall be made. Computer cut self adhesive vinly danger notice plate having conventional symbol of bone and skull shall be provided. The degree of protection of outer shell shall be IP-65.

INNER SHELL :- Inner shell made of 2.0 mm thick CRCA body compartmentalized for each control gear, front openable single door system lockable/openable by keys from both sides having chromium plated fancy locks (2 Nos in each compartment) having louvers and air vents gasket for natural flow of air "U' type gasket shall be used to make the inner shell completely vermin proof and to accommodate incomer/outgoing MCCB's and TPN aluminium bus bar and extension links of rating not less than 1.5 times the rated capacity of the respective MCCB's. The TPN bus bar and exension links shall be insulated with colour coated, heat shrinkable sleeve and shall be mounted on suitable size 'F' class through out the length of the TPN bus bar. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bone and skull shall be provided on bus bar chamber. All control wires shall be with not less than 2.5 Sqmm multistranded copper conductor and shall be properly bunched, tied, ferruled for proper identification and crimped with adequite size of lugs. The cubical shall have a bottom channel of size 75x50mm duly coated with zinc metal coating. A detachable predrilled gland plate of thickness 3.15 mm zinc metal coated should be used at the bottom, indicating lamps LED type, 230 Volt, AC at the incomer of the unit to show three phase availability at the incomer. The degree of protection for inner shell shall be IP-42 and carry the following control :-

(A) INCOMING - (i) MCCB of 250 A, microprocessor based , 4 pole 415 volts 16 kA breaking capacity. With adjustable over load, short circuit, ground fault (4 pole) & fixed instantaneous neutral protection(4 pole), conforming to IS/IEC-60947-2 including spreader terminal kit – 01 No. (B) OUTGOING - (a) MCCB of 63 A, microprocessor based , 3 pole 415 volts 16 kA breaking capacity. With adjustable over load, short circuit , ground fault & fixed instantaneous neutral protection, conforming to IS/IEC-60947-2 including spreader terminal kit -05 Nos(4 W + 1 spare ) (b)Digital type Voltmeter three phase class 0.5, 96 x 96 mm flush mounted case with adequate CT arrangement (c)Digital type Ammeter three phase class 0.5, 96 x 96 mm flush mounted case with adequate CT arrangement (d) LED INDICATORS RIBBED LENS WITH TRIMMED COLLAR - Red, Yellow and Blue - 1 Each (e) Aluminium bus bar of Rating 300 Amp R-Y-B phases and Neutral. (f) Base frame for cubical mounting made out of suitable size equal angle iron duly painted. (g) Foundation for the panel should be provided with PCC 1:4:6 at a depth of 150 mm below G.L. and 100 mm above G.L. with slot openings for incoming and outgoing cables.

Material and Labour for dismantling of existing panel including disconnecting connected cables, etc and Supply, Installed, Testing and Commissioning cubical type LT Panel floor mounted INDOOR type for 415V, 3 phase 4 wire sysytem 50 Hz AC supply, factory made fabricated from MS sheet totally enclosed, dust weather proof and vermin proof for outer shell having TPN aluminium bus bar rating 1.5 times that of controlling MCCB supported on bottom base channel MS section not less than 100mm x 50mm x 5 mm thick, entire panel shall have a common aluminium earth bar of size 25mm x 5mm at the rear with 2 Nos earth stud, solid connection from main bus bar to switchgears with required size of copper wiring with minimum 2.5 Sqmm PVC insulated copper conductor cable , cable alleys, cable gland plates in two half and general construction confirming to IS / IEC-61439-2 : 2011 and wall/floor mounted on suitable PCC foundation with following detailed specification & control complete with suitable fixing accessories, complete all as specified and directed by Engr-in-Charge.

OUTER SHELL :- The outer shell shall be made of 2.00 mm thick CRCA body & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vent gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armoured cable of adequate size of glands. The dimension of the outer shell shall be adequate to accommodate inner shell described below 50 mm space all around and shall be fabricated in such a way that the complete inner shell alongwith its control gears/MCCB and accessories should be taken outside without disturbing outer shell. The outer shell shall be mounted on a zinc metal coated stand. Provision of threaded earthing studs at bottom and lifting lugs of suitable size at top to lift the feeder pillar box safely shall be made. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bone and skull shall be provided. The degree of protection of outer shell shall be IP-65.

INNER SHELL :- Inner shell made of 2.0 mm thick CRCA body compartmentalized for each control gear, front openable single door system lockable/openable by keys from both sides having chromium plated fancy locks (2 Nos in each compartment) having louvers and air vents gasket for natural flow of air "U' type gasket shall be used to make the inner shell completely vermin proof and to accommodate incomer/outgoing MCCB's and TPN aluminium bus bar and extension links of rating not less than 1.5 times the rated capacity of the respective MCCB's. The TPN bus bar and exension links shall be insulated with colour coated, heat shrinkable sleeve and shall be mounted on suitable size 'F' class through out the length of the TPN bus bar. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bone and skull shall be provided on bus bar chamber. All control wires shall be with not less than 2.5 Sqmm multistranded copper conductor and shall be properly bunched, tied, ferruled for proper identification and crimped with adequate size of lugs. The cubical shall have a bottom channel of size 75x50mm duly coated with zinc metal coating. A detachable predrilled gland plate of thickness 3.15 mm zinc metal coated should be used at the bottom, indicating lamps LED type, 230 Volt, AC at the incomer of the unit to show three phase availability at the incomer. The degree of protection for inner shell shall be IP-42 and carry the following control :-

(A) INCOMING - (i) MCCB of 200 A, microprocessor based , 4 pole 415 volt 16 kA breaking capacity. With adjustable over load, short circuit, ground fault (4 pole) & fixed instantaneous neutral protection(4 pole), conforming to IS/IEC-60947-2 including spreader terminal kit – 01 No. (B) OUTGOING - (a) MCCB of 63 A, microprocessor based , 3 pole 415 volt 16 kA breaking capacity. With adjustable over load, short circuit, ground fault & fixed instantaneous neutral protection, conforming to IS/IEC-60947-2 including spreader terminal kit -06 Nos (5 W + 1 spare ) (b)Digital type Voltmeter three phase class 0.5, 96 x 96 mm flush mounted case with adequate CT arrangement (c)Digital type Ammeter three phase class 0.5, 96 x 96 mm flush mounted case with adequate CT arrangement (d) LED INDICATORS RIBBED LENS WITH TRIMMED COLLAR - Red, Yellow and Blue - 1 Each (e) Aluminium bus bar of Rating 300 Amp R-Y-B phases and Neutral. (f) Base frame for cubical mounting made out of suitable size equal angle iron duly painted. (g) Foundation for the panel should be provided with PCC 1:4:6 at a depth of 150 mm below ground level and 100 mm above ground level with slot openings for incoming and outgoing cables.

Supply and Fix switch piano flush button single pole one way, 6 Amp (ISI marked) complete all as specified and directed by Engineer-in-Charge. Note : This item is also used as in repair of existing 6 Amp switch.

Supply and Fix Switch socket outlet 2 in 1, 3 pin, 6 Amp flush type (ISI marked) complete all as specified and directed by Engineer-in-Charge. Note : This item is also used as in repair of existing 6 Amp switch socket outlet.

Supply and Fix Socket outlet 2 in 1, 3 pin, 6 Amp flush type (ISI marked) complete all as specified and directed by Engineer-in-Charge. Note : This item is also used as in repair of existing 6 Amp socket outlet.

Supply and Fix Switch bell push flush type 5 Amp (ISI marked) all as per complete all as specified and directed Engineer-in-Charge. Note : This item is also used as in repair of existing 5 Amp switch bell.

Supply and Fix Switch socket outlet 15 Amp, 5-in-1, controlled by one switch (ISI marked) complete all as specified and directed by Engineer-in-Charge.

Supply and Fix Switch flush button, single pole two way, 6 Amp (ISI marked) complete all as specified and directed by Engineer-in-Charge. Note : This item is also used as in repair of existing 6 Amp two way switch.

Supply and Fix Socket type EME fan 5 step regulator for ceiling fan of suitable size, complete all as specified and directed by Engineer-in-Charge. Note : This item is also used as in repair of existing fan regulator.

Material and Labour for daily complaint checking & repairing of DBs/meter panel board/circuits/submain wiring/switches/sockets etc and other connected work including rectification of faults complete all as specified and directed by Engr-in-Charge.

Material and Labour for checking and rectifying defect of any type cable including all connecting items complete all as specified and directed by Engr-in-Charge.

Supply & fixing, jointing, connecting & testing in trenches XLPE/PVC insulated PVC sheathed cable heavy duty 1100 volts grade, aluminum conductor in trenches / ducts of the following sizes including taking out cable cover & cable all as specified and directed by Engr-in-Charge :-

4 core 25 Sqmm

4 core 35 Sqmm

2 core 10 Sqmm

Excavation in trenches for not exceeding 1.5 meter wide and not exceeding 1.5 meter depth and getting out in soft/loose soil including taking out faulty cable/cable covers and GI pipe complete all as specified and directed by Engr-in-Charge.

Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25cm complete all as specified and directed by Engr-in-Charge.

Removing excavated materials not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the Starting point, complete all as specified and directed by Engr-in-Charge.

Material and Labour for dry river sand as sand cushioning for protection of UG cable including punning of sand in layers, complete all as specified and directed by Engr-in-Charge.

Supply & laying un-reinforced precast concrete cable cover class LV type 1, flat size 250mm x 150mm x 40 mm all as specified & directed.

Taking out old un-reinforced precast concret cable cover class LV type 1, flat size 250mm x 150mm x 40 mm complete all as specified and directed by Engr-in-Charge.

Laying only un-reinforced precast concrete cable cover class LV type 1, flat size 250mm x 150mm x 40 mm complete all as specified and directed by Engr-in-Charge.

Material and Labour GI pipe light grade with all fittings complete laid in trenches for 50 mm bore of pipe complete all as specified and directed by Engr-in-Charge.

Material and Labour for earthing complete with galvanised steel earth plate electrode size 600x600x6.0mm thick buried directly in ground vertically in a pit of depth not less than 2.25 meters below ground levels with top edge of the earth plate not less than 1.5 meters below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including galvanised iron strip 25 x 4 mm by means of bolts, nuts, check nuts and washers of galvanised steel and GI pipe light grade 20mm dia bore for watering funnel with wire mesh. CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 excavation and earth work all as shown in electrical plate No 5 connected to earthing test point all as specified or indicated including testing on completion. Note : The unit rate includes for protection pipe and lead wire from top of earth plate up to 7.5 meter above ground level.

Material and Labour for earthing complete with galvanised steel earth plate electrode size 600x600x6.0mm thick buried directly in ground vertically in a pit of depth not less than 2.25 meter below ground levels with top edge of the earth plate not less than 1.5 meter below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including galvanised iron strip 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised steel and GI pipe light grade 20mm dia bore for watering funnel with wire mesh. CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 excavation and earth work all as shown in electrical plate No 5 connected to earthing test point all as specified or indicated including testing on completion. Note : The unit rate includes for protection pipe and lead wire from top of earth plate up to 7.5 meter above ground level.

Material and Labour for earthing complete with galvanised steel earth plate electrode size 600x600x6.0mm thick buried directly in ground vertically in a pit of depth not less than 2.25 meter below ground levels with top edge of the earth plate not less than 1.5 meter below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including GI wire 4 sqmm by means of bolts, nuts, check nuts and washers of galvanised steel and GI pipe light grade 20mm dia bore for watering funnel with wire mesh. CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 excavation and earth work all as shown in electrical plate No 5 connected to earthing test point all as specified or indicated including testing on completion. Note : The unit rate includes for protection pipe and lead wire from top of earth plate up to 7.5 meter above ground level.

Material and Labour for repair of earthing pit including plastering, painting etc deemed to be included all specified and directed by Engr-in-Charge.

Material and Labour for taking down any type strip CU/GI of any size, as specified and directed by Engr-in-Charge.

Supply and Fix vitreous china porcelain insulator with busbar support white type, taking out and complete all as specified and directed by Engr-in-Charge.

Supply and fix aluminium strip of size 25 mm x 3.15 mm fixed to procelain insulator fixed with suitable saddles and fixing screws etc for roof with rubber and bitumen washer and fixed to insulator only on wall for down conductor, complete all specified and directed by Engr-in-Charge.

Supply and Fix test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm thick drilled and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screws fixed to GI strip bracket fixed to porcelain insulator in wall as in repairs, complete all as specified and directed by Engr-in-Charge. Note :- Porcelain insulator will be measured & paid for separately.

Supply & fixing in repairs/replacement air termination single pointed aluminium rod 12 mm dia and 300mm long with necessary fixing arrangement on blocks on roof, all as specified and directed by Engr-in-Charge.

Supply and fix GI strip of size 25 mm x 3.15 mm fixed to procelain insulator fixed with suitable saddles and fixing screws etc for roof with rubber and bitumen washer and fixed to insulator only on wall for down conductor, complete all as specified and directed by Engr-in-Charge.

Supply and fix copper strip of size 20 mm x 3.15 mm fixed to procelain insulator fixed with suitable saddles and fixing screws etc for roof with rubber and bitumen washer and fixed to insulator only on wall for down conductor, complete all as specified and directed by Engr-in-Charge.

Supply and Fix in repair/replacement MCB SP 240 V, 50 Hz, 10 kA conforming to IS / IEC-60898-1 : 2002 of rating 5 to 32 Amp, 'C' series complete all as specified and directed by Engineer-in-Charge.

Supply and Fix in repair MCB double pole RCBO 240 volts AC 40 Amps (C-series) of 30mA all as specified and directed by Engr-in-Charge.

Supply and Fix in repair/replacement MCB SPN 240 V, 50 Hz, 10 kA conforming to IS / IEC-60898-1 : 2002 of rating 32 Amp, 'C' series complete all as specified and directed by Engineer-in-Charge.

Taking down carefully by unscrewing from boards/ outlet boxes, fittings and fixtures such as switches, sockets, ceiling roses, lamp holders, brackets, ceiling fittings, bulk head fittings, tube light fittings and regulators, etc for reuse at site or carrying to the store/ take in schdule of credit.

Taking down submain of any size wall/roof etc all specified and directed by Engr-in-Charge.

Shri Krishna Trading Corporation (BID ID -3146748)

LAXMI ENTERPRISES (BID ID -3144449)

SREE HARITHA ASSOCIATES (BID ID -3146504)

R A Electric Co. (BID ID -3142681)

ELECTRO ASSOCIATES (BID ID -3142703)