SPECIAL REPAIR OF LOW VOLTAGE PANELS AND FEEDER PILLARS INSTALLED IN VARIOUS LOCATIONS AND SPECIAL REPAIR OF DETERIORATED LIGHTNING PROTECTION SYSTEM OF BLDG IN MOORA AND DEPOT AT MO (MB) GHATKOPAR UNDER GE (NW) BHANDUP

A.Low Voltage panels for all IP 54 Indoor type IEC 61439 OEM Design TTA 1. Supply, installation, testing & commissioning of floor mounting front operated front access cubicle type, totally enclosed, dust and vermin proof with IP-54 protection with hinged and lockable doors & All Panels will be type tested assembly and shall be as per OEM designed manufactured by OEM factory/authorised frenchise only and tested as per IEC 61439 -1&22. Switchboards fabricated from 2 mm thick CRCA sheets including interconnections, tinned copper crimping lugs, bonding to earth and painting suitable for use at 415 V, 3 phase 4 wire 50 Hertz system, and suitable for a fault level of as indicated in SLD/BOQ symmetrical at 415 V complete as per specifications, as required and as below 3. All switchboards shall have provision for entry of cables from the top/bottom as required. All live accessible parts shall be shrouded and all equipment shall be finger touch proof. 4. The bus bars insulation shall be with heat shrinkable sleeves. SMC/DMC/PU shrouds and busbar supports shall be used 5. LV Switchboard which had been type-tested by an acceptable, multi fold design. 6. The board shall be dust free, vermin proof and totally enclosed with Degree of protection of IP 54 indoor type with suitable cable/busbar alleys. 7. Standard and codes updated and current Indian standard specification and code of practice shall apply to the equipment and the work covered by the scope of this contract, the switchboard shall be form 3b. 8. Bus bars shall be of rectangular section hard drawn high conductivity Copper busbar connections shall be constructed in accordance with the requirements of latest code of IS/IEC standards, Low voltage switchgear & control assemblies 9. All main busbars are continuous duty 415V AC, 3 Phase copper (Throughout the length) busbars with colour coded heat shrink sleeves supported with same rating as incomer breaker, Busbar capacity is same as incomer capacity. 10. Doors and covers should be powder coated and should have NPDF gasket 11. Panels to be ordered only after approval of general arrangement drawings from authority. 12.Make : Siemens SIVACON, Schneider-Okken , Legrand XL3-DO.

B. Low Voltage panels for all IP 55/IP54 Outdoor/Indoor type IEC 60947 PTTA 1. Supply, installation, testing & commissioning of floor mounting front operated front access cubicle type, totally enclosed, dust and vermin proof with IP-55/IP 54 protection with hinged and lockable doors & All Panels will be type tested assembly as per IEC 60439 2.Switchboards fabricated from 2 mm thick GI sheets including interconnections, tinned copper crimping lugs, bonding to earth and painting suitable for use at 415 V, 3 phase 4 wire 50 Hertz system, and suitable for a fault level of as indicated in SLD/BOQ symmetrical at 415 V complete as per specifications, as required and as below 3. All switchboards shall have provision for entry of cables from the top/bottom as required. All live accessible parts shall be shrouded and all equipment shall be finger touch proof. 4. The bus bars insulation shall be with heat shrinkable sleeves. SMC/DMC/PU shrouds and busbar supports shall be used. 5.LV Switchboard which had been type-tested by an acceptable, multi fold design. 6. The board shall be dust free, vermin proof and totally enclosed with Degree of protection of IP 55/ IP 54 outdoor/Indoor type with suitable cable/busbar alleys. 7.Standard and codes updated and current Indian standard specification and code of practice shall apply to the equipment and the work covered by the scope of this contract, the switchboard shall be form 3b. 8.Busbars shall be of rectangular section hard drawn high conductivity Copper busbar connections shall be constructed in accordance with the requirements of latest code of IS/IEC standards, Low voltage switchgear & control assemblies 9.All main busbars are continuous duty 415V AC, 3 Phase copper (Throughout the length) busbars with colour coded heat shrink sleeves supported with same rating as incomer breaker, Busbar capacity is same as incomer capacity. 10. Doors and covers should be powder coated and should have polyurethane gasket 11. Panels to be ordered only after approval of general arrangement drawings from authority. 12. All PTTA panels shall be manufactured by the same OEM or authorized franchise that supplies the TTA OEM panels, to ensure compatibility and standardization

C.AIR CIRCUIT BREAKER (ACB) SHALL BE AS UNDER 1. ACB shall comply with standards IS/IEC 60947-1 & 2. 2. ACB shall have an operational voltage of 690V AC, rated insulation voltage of 1000 volts AC, rated for impulse voltage of 12kV. 3. ACB shall be of 3pole or 4pole (as per BOQ). In case of TPN mentioned in BOQ, it shall be TP with solid link in neutral. 4. ACBs shall be offered in frame sizes that are optimum for optimum panel dimensions. Thus, ACBs upto 2500A shall be offered in frame 1, 3200A to 4000A in frame 2 and 5000A to 6300A in frame 3. 5. ACB shall comply with the environmental directives like RoHS. Product Environmental Profile shall be furnished to understand the environmental impact. 6. ACB shall have the breaking performance Icu = Ics = Icw (1sec) 7. ACBs shall be colour coded and shall be identifiable for different breaking capacities based on the colour code used.8. ACBs shall have provision for terminal separator by construction.9. It shall NOT be possible to rack out the ACB in ON condition and suitable racking handle shutter interlock with padlock arrangement shall be provided to ensure the safety of User and to avoid accidents.10. All air circuit breaker shall be fully tropicalized as standard & suitable for terminating copper bus bars.11.ACBs shall be provided with terminal adapters for proper cable connections/bus duct connections. Terminal Adaptor orientation for top and bottom side shall be possible to be changed from vertical to horizontal or vice versa on site as per cable/bus duct entry. 12.Air circuit breaker shall be provided with electronic protection unit, with trip units shall have led Matrix/ LCD display with current measurement 13. The circuit breaker control unit shall measure the true r.m.s value of the current 14. All trip units provided shall have switchable thermal memory as standard.

15. The Inbuilt protection release shall have following protections as standard: - a. Long time delay protection against overloads Ir from 0.2 to 1 x In (Step 1A) – OFF b. Long delay protection operation time tr = 40 ms ÷ 30 s c. Short time delay protection against short circuits Isd from 1,5Ir to 10 Ir – OFF d. Short time delay protection operation time (t=k, I2t=k) tsd = 40 ms ÷ 1 s e. Instantaneous protection against very high short circuits li from 2 to 15 In - OFF f. Earth fault current Ig from 0.2 ÷ 1In – OFF g. Time delay on earth fault tripping (t=k, I2t=k) tg from 80 ms ÷ 1s h. Neutral protection IN = 50% - 100% - 150% - 200% - OFF i. Overtemperature protection – an alarm shall be generated for temperature exceeding 75 °C and ACB shall trip for temperatures exceeding 95 °C inside the circuit breaker. 16. All trip units shall have digital trip counter and shall offer ready summary of the no. of trips on account of individual faults. 17. The trip unit shall be communication capable and shall be possible to upgrade for connectivity over Modbus without changing the trip unit in future. 18. The trip unit shall have integral test button on front to test operation and the opening of the poles to verify the healthiness. 19. It shall be possible to monitor the status of the breaker, read information (firmware versions, device version, alarms, measurements, parameters, fault history), view the trip curve characteristics, generate reports based on the data stored and read by the protection unit by way of a manufacturer provided software. The connectivity shall be easily established by way of the micro-USB port. 20. Make: Legrand DMX, Schneider NW, Siemens 3WA

E. DIGITAL MULTIFUNCTION METER SHALL BE AS UNDER 1. All Digital multifunction meter with Bright LED display to view more than 25 parameters. VLL, VLN, A (Avg. & Phase Wise), F, Power: W, PF, VA (Avg. & Phase Wise) Energy: Wh, Positive energy accumulation even with CT polarity reversal with reverse lock programmable, High Accuracy with class 1 along with Suitable 10 VA Burden CL 1 accuracy CTs 2. Make: Schneider, Legrand, Siemens

Note: 1. All panel I/C ACBs & MCCBs should be Microprocessor type with inbuilt LSIG protection & adjustable S/C & O/L protection. 2. All MCCB will install with Extended rotary handle & tinned copper spereader terminals on both side. 3. All Incomers should have Digital multifunction meters. 4. All the incomers of switch boards have R/Y/B/ON/OFF/TRIP indicators lamps & Digital multifunction meters shall be provided with suitable operation on AC 230 volts supply. All lamps/Meters shall be protected by MCBs. 5. All outgoing MCCB should have THERMAL RELEASE for upto 250A MCCB & above 250A MCCB it will be Microprocessor based releases only with O/C & S/C release. 6. All MCB will be rated for 10KA breaking capacity & "C" curve characteristics. 7. All wiring for relays and meters shall be with FRLS copper conductor wires, The wiring shall be coded and labelled with approved ferrules for identification. The minimum size of copper conductor control wires shall be 1.5 sq. mm. Runs of wires shall be neatly bunched and suitably supported and clamped. Current circuit shall be 2.5 Sq.mm. 8. All panel shall be provided with names plates of black perplex in white Engraving and to be provided on both front and back side of the panels as as safety feature and for proper identification of panel. 9. The size of the earth bus chosen shall be to withstand full fault current as mentioned panel wise.

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Samagri Bhavan - Under Staircase - IP 54 outdoor type IEC 60947 PTTA Incomer: 250A 4p 36KA TMD type MCCB - 1 No Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 160A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 125A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 100A 4p 25KA TMD type MCCB with Extended ROH - 4 Nos 63 A 4p 25KA TMD type MCCB with Extended ROH - 4 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Near B02 Store House Panel B Road RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 630A 4p 36KA microprocessor LSIG MCCB - 1 No : 1 Nos Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 400A 4p 36KA microprocessor LSI MCCB - 1 No : 1 Nos 63A 4p 25KA TMD type MCCB with Extended ROH - 6 Nos 63A DP MCB, 10KA "C" Curve - 4 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993.Near B03 Store House Panel B Road RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 630A 4p 36KA microprocessor LSIG MCCB - 1 No : 1 Nos Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 400A 4p 36KA microprocessor LSI MCCB - 1 No 200A 4p 25KA TMD type MCCB with Extended ROH - 2 Nos 63A 4p 25KA TMD type MCCB with Extended ROH - 8 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Near B19 Store House Panel RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 200A 4P Manual Changeover (Socomac/ASCO): 1 No 200A 4p 25KA microprocessor type LSIg MCCB: 1 No Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 160A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 100A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 63A 4p 25KA TMD type MCCB with Extended ROH - 6 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993.Near Provider opposite NS-26 Panel RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 200A 4p 25KA microprocessor type LSIg MCCB Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 160A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 100A 4p 25KA TMD type MCCB with Extended ROH - 1 Nos 63A 4p 25KA TMD type MCCB with Extended ROH - 7 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Near main fire station Panel RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 200A 4p 25KA microprocessor type LSIg MCCB Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 100A 4p 25KA TMD type MCCB with Extended ROH - 2 No 125A 4p 25KA TMD type MCCB with Extended ROH - 1 No 63A 4p 25KA TMD type MCCB with Extended ROH - 5 Nos

Supply and fixing, install, test and commissioning of LT Feeder pillar box outdoor type totally enclosed with front and rear opening hinged doors with canopy sloped top projected and raised platform of suitable sizes weather dust vermin proof made out of 3.15 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 160 Amps rating capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers etc., all as specified and directed for suitable to accomodate the following items including supply and fix following items and all as specified and directed by dismantling exisiting unserviceable LT panel complete with LT panel made by CPRI approved manufacturer confiring to IS:-8623-1993. Near SH-05 Road C Panel RED - IP 55 Outdoor type IEC 60947 PTTA Incomer: 630A 4p 25KA microprocessor type LSIg MCCB- 01 no Digital type multifunction meter 1 No with set of cast resin CT's Outgoing: 400A 4p 36KA microprocessor LSI MCCB with Extended ROH - 1 No 250A 4p 25KA TMD type MCCB with Extended ROH - 1 No 63A 4p 25KA TMD type MCCB with Extended ROH - 4 Nos

Supply and laying in repairs cable LT XLPE insulated and screened PVC bedded, galvanised steel strip armoured electric power cable (heavy duty) with stranded aluminium conductor, 1100 Volts grade complete all as specified and directed by Engineer in charge for the following sizes including taking up existing u/s LT cable.

25 Sqmm 3.5 Core.

35 sqmm 3.5 core

50 sqmm 3.5 core

M & L for earthing complete with Galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground vertically at a depth not less than 2.25 m below normal ground level with top level of earth plate at depth not less than 1.5 m below normal ground level surrounded form all sides by 15 cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connection by using GI strip 32 mm x 6 mm by means of bolts, nuts, check nuts and washers of galvanized iron upto test point and protected by GI pipe light grade 40 mm bore up to 7.5 Mtr connected to a main switch board or main control board and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, 80 mm thick pre-cast RCC 1:2:4, type B-1 cover reinforced with hard drawn steel wire fabric weighing not less than 4 Kg/Sqm in lieu of CI cover, PCC 1:3:6 type C2 pit / chamber including all necessary excavation and earth work, disposal of surplus soil to a distance not exceeding 50 m all as specified and as shown in Electrical Plate No 3 of MES Schedule Part – I of 2009. Note: Test of earthing results submitted to GE specified and directed by Engr-in-Charge.

M&L for straight through joint (epoxy) suitable for 3 ½ / 4 core up to 95 Sqmm size underground cable complete all as specified and directed.

M&L for secure/hanging of electrical XLPE/PVC cable/wires of any size on walls/ceiling with clamps, hooks, nuts , bolts and other accessories for electrical hyigen complete all as specified and directed.

Supply and fix MCCB 4 pole,400 Amp 415 Volt adjustable type with breaking capacity 36 KA from panel boards etc complete all as specified and directed.

Supply and fix GI strip 25mm x 4mm buried in ground complete all as specified and directed by the Engineer-in-charge.

M&L for the earthing test of through complete all as specified and directed by the Engineer-in-charge.

S&F Digital multifunction meter with Bright LED display to view more than 25 parameters. VLL, VLN, A (Avg. & Phase Wise), F, Power: W, PF, VA (Avg. & Phase Wise) Energy: Wh, Positive energy accumulation even with CT polarity reversal with reverse lock programmable, High Accuracy with class 1 along with Suitable 10 VA Burden CL 1 accuracy CTs all as specified and as directed.

S&F SITC of 1 metre vertical aluminium air terminal of dia 15mm to meet the requirement of IS/IEC 62305. Tested for Electrical, Mechanical, Environmental test and should have Impulse current withstand capability of 100KA (Class H) and as per IEC 62561-1&2.

S&F SITC of aluminium air terminal base for dia 15mm, 1 meter long air terminal to meet the requirement of IS/IEC 62305. Tested for Electrical, Mechanical, Environmental test and should have Impulse current withstand capability of 100KA (Class H) and as per IEC 62561-1&2.

M & L Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 25x3 mm aluminium strip.

Supply,Installation,Testing & Commisioning of Aluminum Square Tape Clamp for Cross connection and T connection of 25x3mm Aluminium Tape should be tested for electrical resistivity test, Environmental Test (salt spray & humidity test), Mechanical test and Impulse current withstand capability of 100KA (Class H) to meet the requirements of IS/IEC 62305 and IEC 62561-1&2.

Supply, Installation, Testing & Commisioning of Bi-mettalic Connector should be tested for Environmental Test (salt spray & humidity test), Contact resistance test ,Mechanical test and Impulse current withstand capability of 100KA (Class H)to meet the requirements of IS/IEC 62305 and IEC 62561-1&2.

Supply, Installation,Testing & Commisioning of Moisturing inhibiting compound to meet the requirements of IS/IEC 62305.

Supply, Installation,Testing & Commisioning of Test link should be tested for Environmental Test (salt spray & humidity test),Contact resistance test, Mechanical test and Impulse current withstand capability of 100KA (Class H) to meet the requirements of IS/IEC 62305 and IEC 62561-1&2.

M&L for earthing complete with copper earth plate 60cm×60cm×3.15mm thick electrode, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to copper strip of size 20 mm x 3 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. as all specified and directed. Notes: (i) The cost of copper earth continuity conductor with GI pipe 40mm light grade upto 7.5m is deemed to be included in r/o above item. (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item.

M&L Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20x3 mm copper strip.

Supply,Installation,Testing & Commisioning of Copper Square Tape Clamp for Cross connection and T connection of 36x2mm Copper Tape should be tested for electrical resistivity test ,Environmental Test (salt spray & humidity test),Mechanical test and Impulse current withstand capability of 100KA (Class H)to meet the requirements of IS/IEC 62305 and IEC 62561-1&2.

Deduct Credit for Demolished/ Dismantled material Rs. (-)77,930.00 (Minus) as listed in Schedule of Credit. Note 1:- Tenderers will not quote against this item being a tentative amount to be considered to arrive at the 'Contract Sum' Note 2:- The tenderer must keep in mind when quoting rates against items out in multiple store house having height 4 mts to 7 mts. Necessary scaffolding and saftey measures required during execution of work are including in this items.

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