REPAIR /REPLACEMENT OF LT PANELS MCBS APFC PANELS IMPROVEMENTS OF INSTALLATION AND CONNECTED MISC WORKS AT NMS UNDER AGE (I) NABAGRAM AT NMS UNDER AGE(I) NABAGRAM

Amount

Disconnecting and taking out existing defective LT cables alongwith old size bricks etc of following sizes and setting aside for further disposal as diected ( Note: Excavation & earthwork will be measured & paid & separately)

Supply, laying, testing & commissioing of 10 Sqmm 4 core size XLPE insulated, PVC sheathed, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, IS 7098 Part I marked, suitable for LT 1100 Volt system,laid in trenches / ducts / fixed on poles / walls / laid under roads / paths / drain / culverts or encased in GI pipe including jointing & testing and taking down old U/S cable complete all as specified and as directed Note :- Excavation, earth work ,cable protection , sand fillings shall be measured and paid separately under respective items of schedule.

All as per Ser No 2 above but size 16 sqmm 4 core

All as per Ser No 2 above but size 50 sqmm 3.5 core

All as per Ser No 2 above but size 70 sqmm 3.5 core

All as per Ser No 2 above but size 95 sqmm 3.5 core

All as per Ser No 2 above but size 120 sqmm 3.5 core

Relaying of existing LT 1100 volts grade heavy duty, armoured with steel strip of wire, with stranded aluminium conductor of 10 Sqmm 2 core to 95 Sqm 4 Core. Note: (a) 1100 Volt LT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Excavation, PCC Cover, Sand and earth work will be measured and paid for seperately under respective items of schedule.

Excavation in trenches in soft/ loose soil n.exc 1.5mtr wide and not exc 1.5mtr in depth and getting out complete all as specified and directed.

Material and labour for Sand cushioning/ Sand covering using Tibba sand for underground cable protection complete all as specified and directed by Engineer-in-Charge. Note :- For the purpose of payment, only punned thickness witch comes out 18 cm will be measured.

Supply and laying common burnt clay building bricks, sub-class ‘B’ designation 75 complete all as specified and as directed.

Returning, filling, in including spreading, leveling , watering and well ramming in layers n.exc 25 cm in soil complete all as specified and directed by Engineer-in-Charge.

Removing excavated surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtrs above the starting point complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement GI Pipe light grade 80 mm dia with necessary accessories/ fittings bracing with pole/wall by FI clamps made with 32x6mm for cable protections/pole for crossing of culverts/nallah and all as specified and directed.

All as per ser item No 15 above but of size 50 mm dia

All as per ser item No 15 above but of size 40 mm dia

M&L for Cutting the road / hard standings and excavating in trenches not exceding 0.40 mtr wide and not exc 0.80 mtr deep across the road for laying cable including making good the excavated portion by means of PCC 1:2:4, type B1 using 20mm graded stone aggregate complete and matching with the surroundings all as directed.

Arranging fault locating machine to locate the fault in underground elect power cables of any length and any type of 1100 Volts grade LT cable and pin point the fault and testing of the cable after locating fault and cutting the cable at fault to check healthiness of cable before and after fixing the joint including excavation and earth work in any type of soil complete. Note : Cable joints and cable shall be measured and paid separately under respective item of Schedule 'A'.

Supply, fixing and testing straight through joint heat shrinkable type with jointing kit suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade 16- 35 Sqmm x 3.5 core/4 core and including taking out cable from faulty portion in any situation/position complete all as specified and directed.

All as per ser item No 20 above but of size 50-70 Sqmm x 3.5 core

All as per ser item No 20 above but of size 95-120 Sqmm x 3.5 core

All as per ser item No 20 above but of size 150-185 Sqmm x 3.5 core

Supply & fixing Aluminium terminal (lugs) suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade 16- 35 Sqmm x 3.5 core/4 core and including taking out cable from faulty portion in any situation/position complete all as specified and directed

All as per ser item No 24 above but of size 50-70 Sqmm x 3.5 core

All as per ser item No 24 above but of size 95-120 Sqmm x 3.5 core

All as per ser item No 24 above but of size 150-185 Sqmm x 3.5 core

Repair & maintenance of LT Panel board in door/outdoor type comprising of MCCBs as incoming and outgoing with digital mettering and control wiring by disconnecting all incoming and out going connection, opening of LT cable incl reconnect the cable by excavating the loop and making connection tight by replacing the suitable size of heavy duty lugs with new nut bolts and washers and gland complete. Cleaning of all compartment from in side and out side including using anti rust spray and checking and repair of all controls, switches, meters. etc (if found diffective) and painting complete panel board with two coat of synthetic enamel paint over a coat of red-oxide paint, after necessary scrapping and denting. Refixing of panel board upon new angle iron stand fixed at 75 cm from the ground level made out of angle size 50 X 50 X 6 mm grouted in PCC 1:3:6 B2 type complete. Note: 1. The MCCBs,MCBs. gland, Voltmeter meter, amp meter will be measured and paid saperately in respective Sch A item. 2. The charges for 50x50x6 mm angle iron frame & PCC work is deemed to be included in above quoted rates.

M & L for fixing of MCCBs in replacement of 63 Amps, 4 Pole , 415 Volts thermal & magnetic adjustable type 0.8 to 1In, Magnetic Adjustable 5 to 10In, Breaking capacity 16 kA, 4 Pole , Ics= 100% Icu, with spreader links and Phase barriers complete all as specified and directed.

M & L for fixing of MCCBs in replacement of 100 Amps, 4 Pole , 415 Volts thermal & magnetic adjustable type 0.8 to 1In, Magnetic Adjustable 5 to 10In, Breaking capacity 16 kA, 4 Pole , Ics= 100% Icu, with spreader links and Phase barriers complete all as specified and directed.

M & L for fixing of MCCBs in replacement of 125 Amps, 4 Pole , 415 Volts thermal & magnetic adjustable type 0.8 to 1In, Magnetic Adjustable 5 to 10In, Breaking capacity 16 kA, 4 Pole , Ics= 100% Icu, with spreader links and Phase barriers complete all as specified and directed.

M & L for fixing of MCCBs in replacement of 160 Amps, 4 Pole , 415 Volts thermal & magnetic adjustable type 0.8 to 1In, Magnetic Adjustable 5 to 10In, Breaking capacity 16 kA, 4 Pole , Ics= 100% Icu, with spreader links and Phase barriers complete all as specified and directed.

M & L for fixing of MCCBs in replacement of 200 Amps, 4 Pole , 415 Volts thermal & magnetic adjustable type 0.8 to 1In, Magnetic Adjustable 5 to 10In, Breaking capacity 25 kA, 4 Pole , Ics= 100% Icu, with spreader links and Phase barriers complete all as specified and directed.

M & L for fixing of MCCBs in replacement of 250 Amps, 4 Pole , 415 Volts thermal & magnetic adjustable type 0.8 to 1In, Magnetic Adjustable 5 to 10In, Breaking capacity 25 kA, 4 Pole , Ics= 100% Icu, with spreader links and Phase barriers complete all as specified and directed.

Supply and fixing in replacement of cable gland for LT panel/feeder pilar for 16-35 Sqmm cable complete all as specified and directed.

Supply and fixing in replacement of cable gland for LT panel/feeder pilar for 50-95 sqmm cable complete all as specified and directed.

Supply and fixing in replacement of cable gland for LT panel for 120-185 sqmm cablecomplete all as specified and directed.

Supply and fixing in replacement of cable gland for LT panel for 240-300 sqmm cable complete all as specified and directed.

Suupply and Fixing in replacement of Digital Volt Meter 0-500 V including making electric connection by suitable size of multistranded copper conductor with thimbles complete all as specified and directed.

Suupply and Fixing in replacement of Digital Amp Meter 0-400 Amp with CT of same rating including making electric connection by suitable size of multistranded copper conductor with thimbles complete all as specified and directed.

Supply and Fixing in replacement of Mild steel sliding door bolts plate type, stove enamelled black, with bright bolt not less than 12mm dia, 200mm long bolt with and including a minimum of 6 bolts and nuts, four on bolt plate and two on staple plate and fixed on front side door of LT panel board and all as specified and directed.

Material and labour for repairing/replacing the broken hinges of LT panel shutters with stainless steel hinges of 200mm long by welding/bracing with nut bolts of existing LT panels shutters of any descreption and all as specified and directed.

Material and labour for scraping the rusted surface of LT panel/feeder pillar any descreption/size and applying the primer coat of red oxide and painting on surface of LT Panels/feeder pillars 2 coats of super enamal paintf flint grey/sky blue/existing colour with sparygun including writing of feeder pillar numbers in appropriate size of letters as directed.

M&L in replacement of earthing with Galvanised Steel earthplate of size 60x60cmx6mm thick electrode and 32x6mm GI strip as earth lead, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5m below ground level, connected to 32x6mm earth strip by means of nuts, bolts, check nuts and washers of GI all as shown in electrical plate No.3 of SSR Part-I, connected to earth test terminal point all as specified or as indicated including testing on completion (Rates inclusive of neccessary excavation in any type of soil, earth work, PCC pit, CI cover, funnel with watering pipe, suitable size of light grade GI Protection pipe for earth strip in ground etc. all as required at site for complete earthing). Note: Testing of earthing shall be carried out after completion of earthing.Payment for earthing shall be admissible after satisfactory test result.

M&L in replacement of GI strip of size 32x6 mm including mounting on PVC/Porcelain insulators on wall and burried in ground depth not less than 60 cm in ground complete all as specified and directed by Engineer-in-Charge.

M&L for disconnecting all existing incoming/outgoing power cable from LT panel and shifting LT panel from existing place to another place and reconnecting all power cable with panel and charge again same complete. Note : PCC work included in quoted rate.

S&F in repairs Bus bar chamber fabricated by using sheet steel (CRCA) of 3.15mm thickness and impact resistant epoxy powder coated to give superior & lasting finish of size approximately 900 mm (h) X 800 mm (w) x 700 mm (d) 4 strip aluminum busbar of size 400 Amps rating for phase and neutral ,400 mm long,duly fixed on porcelain insulator made out of 3.15 mm thick M.S Sheet and with proper weather protection (rain protection canopy) having four legs of 1.5 mtr with angle iron 80 mm x 80 mm x 5mm thick on floor with PCC foundation 450 mm x 350mm x 250mm type B1 (1:2:4) (using 20 mm crushed stone aggregate), duly powder coated paint having two parts front & back opening door including earth terminal point, cable connection and including one three pole MCCB 125 Amp 16 KA of fixed thermal magnetic setting as incoming, complete all as specified and directed.

DK DAS AND CO (BID ID -3509168)

M/S. MAJUMDER CONSTRUCTION (BID ID -3509226)

SAI ENGINEERING (BID ID -3509003)

Papai Enterprises (BID ID -3512109)