REPAIR/MAINT AND IMPROVEMENT OF LT PANEL INCL LT SWITCH GEAR EARTHING TIMER PANEL LT POLES POLE BOX OUTDOOR STREET LIGHTS FLOOD LIGHTS AREA LIGHTS LT DISTRIBUTION NETWORK AND CONNECTED ITEMS AT OTM/MD ACCN OF SKP LBS MARG USMAN ROAD SURYA CANTEEN

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft / loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level all as specified and directed by Engineer-in-Charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25cm thick using excavated soil complete all as specified and as directed.

Removing excavated soil 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 as directed.

Material and labour for dry river sand, washed and screened dry for cushioning to under ground cable in trenches below and around under ground cable including spreading, levelling & punning complete as specified and directed . Note :- Punned thickness (18 cm) shall only be considered for payment.

Material & Laying, jointing and testing in replacement of LT under ground electric power cable crossed linked polyethylene ( XLPE) insulated, galvanised steel strip or wire armoured, ISI-7098 Marked, with aluminium conductor multi stranded , heavy duty 1100 Volts grade of size 95 sqmm cross sectional area, 3.5 core, complete all as specified laid in trenches / laid under floor or fixed naked with walls / on poles/ in ducts / in GI pipes etc. with and including MS Clamps, nuts, bolts, washers complete all as specified and directed. Note :- Excavation, earth work, sand cushioning, protection bricks/ tiles/ block and pipe shall be measured and paid separately under appropriate items.

All as per item No 07 above but LT under ground cable of size 70 Sqmm 3.5 core

All as per item No 07 above but LT under ground cable of size 50 Sqmm 3.5 core

All as per item No 07 above but LT under ground cable of size 35 Sqmm 3.5 core

All as per item No 07 above but LT under ground cable of size 25 Sqmm 3.5 core

All as per item No 07 above but LT under ground cable of size 16 Sqmm 4 core

All as per item No 07 above but LT under ground cable of size 10 Sqmm 4 core

Item No 19 contd........ GI funnel with wire mesh fixed on water pipe and PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in pit chamber and RCC pit cover 50mm thick precast RCC 1:2:4 type B-1, duly reinforced with MS TMT bars 8mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles, excavation, earth work including laying the GI pipe concealed in floor/wall all as described in electric plate of SSR Part I complete all as specified and directed and testing on completion. Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department.

-01No (iii) CTs ratio 400/5 A ,class 1, ISI marked -01 sets of three (iv) Indicating lamp- 01 set of three (v) Four Pole , Aluminium bus bar 800 Amps insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size “F” class insulators.

Note - (i) Plateform of panel fixed with PCC 1:4:8 type D-2 with 40mm graded crused stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class B old size bricks, rendring 15 mm thick in CM 1:6 on exposed surface and 100 mm thick PCC padding 1:3:6,type C-1 using 20mm graded crushed stone aggregate on Top and grouting bolts etc for panel. The plate form shall be such that it is of a height 60 cm above the nearest road level. All out going feeder shall be connected by cable through suitable size gland plate / glands. (ii) All MCCB with adjustable protection for over load and short circuit protection and confirming to IEC61439/IS 13947 -II (Latest Version). The MCCBs shall have spreader links and barriers as standard feature of manufacture.

Note - (ii) Following type test certificate for panel with switchgear as per IEC 61439 Part I & II shall be obtained from panel manufacturer by the contractor and shall be submitted along with panel Drawing for the approval the GE before supply of panel at site. A - Construction Requirement: (a) Strength of material and parts (b) Degree of protection of enclosures (c) Clearances (d) Creepage distances (e) Protection against electric shock and integrity of protective circuits (f) Incorporation of switching devices and components (g) Internal electrical circuits and connections (h) Terminals for external conductors B - Performance Requirement: (a) Di-electric properties (b) Verification of temperature rise (c) Short circuit withstand strength (d) Electromagnetic compatibility (e) Mechanical operations

(a) Incoming :- (i) MCCB 4 pole , 400 Amps,50 Hz,415 Volts, 36 KA, with thermal magnetic release - 01 Nos (ii) Digital VAF+PF meter with RS 485 CL1

(a) Incoming :- (i) MCCB 4 pole , 63 Amps,50 Hz,415 Volts, 16 KA, with thermal magnetic release - 01 Nos (ii) 3 pole power contractor AC 3 rating 40 Amp, 240 Volt AC -01 Nos (iii) Astronomical Digital Timer Switch 240 V AC -01 Nos (iv) Digital VAF+PF meter with RS 485 Cl-1 -01No (v) CTs ratio 100/5 A ,class 1, ISI marked -01 sets of three (vi) Indicating lamp- 01 set of three (vii) Four Pole , Aluminium bus bar 150 Amps insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size “F” class insulators. (b) Outgoing (i) MCCB 4 pole , 40 Amps,50 Hz,415 Volts, 16 KA thermal magnetic release - 02 Nos Note for MCCB : All incoming & outgoing MCCB shall have double make, double break with Arc Chute per pole.

Note - (i) Plateform of panel fixed with PCC 1:4:8 type D-2 with 40mm graded crused stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class B old size bricks, rendring 15 mm thick in CM 1:6 on exposed surface and 100 mm thick PCC padding 1:3:6,type C-1 using 20mm graded crushed stone aggregate on Top and grouting bolts etc for panel. The plate form shall be such that it is of a height 60 cm above the nearest road level. All out going feeder shall be connected by cable through suitable size gland plate / glands. (ii) All MCCB with adjustable protection for over load and short circuit protection and confirming to IEC61439/IS 13947 -II (Latest Version). The MCCBs shall have spreader links and barriers as standard feature of manufacture.

Note - (iii) Following type test certificate for panel with switchgear as per IEC 61439 Part I & II shall be obtained from panel manufacturer by the contractor and shall be submitted along with panel Drawing for the approval the GE before supply of panel at site. A - Construction Requirement: (a) Strength of material and parts (b) Degree of protection of enclosures (c) Clearances (d) Creepage distances (e) Protection against electric shock and integrity of protective circuits (f) Incorporation of switching devices and components (g) Internal electrical circuits and connections (h) Terminals for external conductors B - Performance Requirement: (a) Di-electric properties (b) Verification of temperature rise (c) Short circuit withstand strength (d) Electromagnetic compatibility (e) Mechanical operations

(b) Outgoing (i) MCCB 4 pole , 100 Amps,50 Hz,415 Volts, 36 KA thermal magnetic release - 04 Nos (ii) MCCB 4 pole , 63 Amps,50 Hz,415 Volts, 36 KA thermal magnetic release - 02 Nos Note for MCCB : All incoming & outgoing MCCB shall have double make, double break with Arc Chute per pole.

Material and labour disconnecting & taking out faulty / burnt cable of size 16 Sqmm to 240 Sqmm 3.5 / 4 core from LT panel / LT pole / main switch / changeover etc removing / cutting old lugs, removing faulty / burnt portion of cable and preparing for fresh terminals & supply & fix new aluminium lugs / thimbles of same size & pattern and refixing & reconnecting same cable in LT panel / LT pole / main switch / changeover etc including taking out additional cable from loop & making good disturbed surface complete all as directed. Note:- Each Cable will be measured separately for payment.

All as per item Ser No 29 above but 120 Watt LED Flood light fitting & Lumen efficiency of LED not less than 110 lumen per watt system efficiency