REPAIR AND MAINTENANCE OF EXTERNAL ELECTRIC SUPPLY WORKS, STREET LIGHT FITTINGS AND OTHER CONNECTED ITEMS OF RR UNITS OF HQ 9 SECTOR AND RR UNITS UNDER AGE (I) BHALRA

Amount

Exc in trenches not exc. 1.5 m wide and not exc. 1.5 in depth and getting out in hard soil for taking up or laying of cable/errecting of pole /stay complete all as specified and directed

All as per item No 1 above but depth exe. 1.5 mtr but not exe 3 mtr complete all as directed.

Returning filling in including spreading levelling watering and well ramming in layers not exc. 25 cm thick each complete all as specified and directed

Removing excavated material to a distance not exc. 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point of any type of soil complete all as specified and directed

Supply and laying Sand cushioning for the purpose of floors and laying of cables including watering and consiolidation.

Supply & Laying brick covering with width equil to length of brick as the mechanical protction to cable with well burned sub class 'B' laid in trenches flat complete all as specified and directed.

Laying only old brick over sand cushioning for cable protection in trenches width of brick perpendicullar to the length of cable all as directed.

Material & Labour PCC 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) as in foundation filling , basement and mass concrete for poles all as specified directed.

Material & Labour for PCC 1:3:6 type C-2 (using 40mm graded crushed stone aggregate) as in foundation filling, basement and mass concrete for poles all as specified directed.

Material & Labour for PCC 1:2:4 type C-2 (using 40mm graded crushed stone aggregate) as in copping and mass concrete for poles all as specified directed.

Material & Labour steel tubular swaged pole 11 metre long complete with 6mm cast iron base plate finial taper plug ,bolts, nuts and secrew all as specified type 410, SP-55 (11.0 metres long) includuing painting up to 1.5 M above PCC coping in black and white strips 5 Nos each 30 CM high staring from bottom of pole and two coats of epoxy based paint alumimium grade finish to remaining external surface over one coat of suitable primer complete all as specified and as directed by Engr-in-Charge Note: excavation and foundation concrete will be measuredand piad for sepearetly.

Material & Labour steel tubular swaged pole 9 metre long complete with 6mm cast iron base plate finial taper plug ,bolts, nuts and secrew all as specified type 410, SP-31 (9.0 metres long) includuing painting up to 1.5 M above PCC coping in black and white strips 5 Nos each 30 CM high staring from bottom of pole and two coats of epoxy based paint alumimium grade finish to remaining external surface over one coat of suitable primer complete all as specified and as directed by Engr-in-Charge Note: excavation and foundation concrete will be measuredand piad for sepearetly.

Supply and fixing cross arms, bracings, supports, clamps, back plate fabricated from structural steel sections such as channels, angles, flat iron including 16mm dia bolts, nuts, washers, welding, bending, cold or hot drilling holes for bolts/insulators in any shape and size as directed and inclusive of one priming coat of red oxide zinc chrome, one under coat and one finishing coat of aluminium paint complete all as directed by the Engr-in-Chage.

Material and labour pin type insulator, porcelain, vitreous, white, brown or green including one galvanized mild steel spindle, two galvanised iron washers and one galvanized iron nut, 150mm height, 150mm dia for 11000 volts grade complete all as specified and directed by Engineer-in-Charge.

Material and labour pin type insulator, porcelain, vitreous, white, brown or green including one galvanized mild steel spindle, two galvanised iron washers and one galvanized iron nut, 100mm height, 65mm dia for 1100 volts grade complete all as specified and directed by Engineer-in-Charge.

Material and labour shackle type insulator, porcelain, vitreous, white, brown or green including one galvanized mild steel spindle, two galvanised iron washers and one galvanized iron nut, 150mm height, 150mm dia for 11000 volts grade complete all as specified and directed by Engineer-in-Charge.

Material and labour shackle type insulator, porcelain, vitreous, white, brown or green including one galvanized mild steel spindle, two galvanised iron washers and one galvanized iron nut, 75mm height, 90mm dia for 1100 volts grade complete all as specified and directed by Engineer-in-Charge.

Material and labour disc type insulator, porcelain, vitreous, white, brown or green including one galvanized mild steel spindle, two galvanised iron washers and one galvanized iron nut, 145 mm height, 255mm dia for 11000 volts grade complete all as specified and directed by Engineer-in-Charge.

Supply & fixing in replacement aluminium conductor steel reinforced (ACSR) of any size for HT/LT overhead lines on steel tubular poles, stretching without kinks and bends including binding wire suitable cross section (but not less than 16 SWG), complete all as specified & directed.

Cutting and trimming of trees and branches to clear the over head line in the arc of HT/LT over head line feeders and removal of the trimmed branches of trees complete all as specified and directed. Notes : 1. Any ACSR conductor damaged during the cuttings of trees / branches shall be repaired and jointed / fixed by the contractor, to the entire satisfaction of Engr-in-Charge, without any extra cost and nothing extra shall be admissible from the department on this account what-so-ever. 2. The cutting / trimming of tree branches shall be done to atleast 2.00 metre radius of OH line. 3. The unit of measurement is 'SPAN' i.e. distance covered between two poles.

Restringing / Restretching / Tightening of old ACSR conductor of any size and make on HT / LT Poles by disconnecting and removing from insulators including providing necessary binding wire and jumpering after proper stringing all span between of two pole all as directed.

Supply & fix stay assembly with accessories as shown in electrical plate No. 1 using 16mm dia, 215cms long stay rod all as specified and directed. Note : Excavation, PCC, stay clamp and loop type insulator shall be measured and paid for seperately.

Supply & fix loop type insulator vitreous porcelain, white, brown or green small size with overall dimensions 65x90mm, clearance of hole 16mm dia all as specified.

Material & Labour for painting of steel tubular pole surface of any description over 10 cm in width or grith by preparation of old painted surface and applying one coat of aluminium paint complete all as specified and directed.

Supply & Fix Danger notice plate of 1.6 mm thick mild steel sheet, viteous enamelled white, with letters, figures and conventional skuul & bones in signal red colour & fixed wihth MS clamps, bolts & nuts of required size for HT 25x20 cm size complete all as specified.

Material & Labour cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 95 to 120 Sqmm

Material & Labour cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 Sqmm to 185 sqmm

Material & Labour Lightening arrestor, expulsion type consisting of multiple spark gaps in series with one or more non linear resister to limit voltage surge on AC power circuit to interrupt power flow current suitable for outdoor installation and exposed direct to sun with ambient temperature below - 10 degree C to 50 degree C suitable for surge discharge capacity 65 KA, 11000 volts grade conformign to IS-4350 including all fittings, fixed in repairs, complete all as specified and as directed.

Supply and fixing Switch Air break, Gang operated, TP suitable for horizontal or vertical operation, mechanically operated mounted on 9 insulators and steel frame with operating mechanism and operating rod of 20mm bore, medium grade, GI pipe worked from ground level with locking arrangement for 200 Amps rating 11 KV working pressure including Electrical connections all as specified and dirrected by Engr-in-charge.

Material & Labour MCCB 4 pole , 415 volt, Adjustable type 200 Amps with breaking capacity 36 KA all as specified and directed by Engr-in-Charge

Material & Labour MCCB 4 pole , 415 volt, Adjustable type 160 Amps with breaking capacity 36 KA all as specified and directed by Engr-in-Charge

Material & Labour MCCB 3 pole , 415 volt, fixed type 100 Amps with breaking capacity 16 KA all as specified and directed by Engr-in-Charge

Disconnecting electrical connections, removing of defective transformer, loading and transporting (up and down) to workshop from site and vice versa including disconnecting and rewinding of 11/0.433 KV 63 KVA to 100 KVA, 3 Phase, 4 wire, 50 Hz vector group DYn 11 transformer with paper insulated copper winding wire as per original data on HV (delta connection) and LV(star connection) 7 tapping brought on HV side for tap charger to change (±) 2.5%, 5%, 7.5% by means of manually operated off load tap changing gear complete rewinding of HV on three limbs providing insulation material like spares, wooden blocks, cotton tape etc and reconditioning three limbs complete ovening, replacement of cock sheet packing, vent diafram replacement of LT terminal plate, breather, filling of new transformer oil for top up with existing oil after proper filtration & dehydration upto level of 45 KV at 2.5mm gap dielectric strength and testing of transformer at factory and site after connecting electrical connection in full load, complete all as specified & directed. Notes : 1. Spares required will be measured and paid separately under appropriate item as "Supply only'. 2. The quoted rate shall deemed to include transportation, electrical connection, testing and commissioning of transformer. 3.All winding material incorporated will be inclusive rates of this job 4. Opening of transformer will be in presence of JE E/M or AGE E/M only.

(a) HT coil of suitable gauge of paper insulated copper winding wire for any capacity of transformer

(b) LT coils of suitable guage of paper insulated copper winding wire for any capacity of transformer

Supply only Gasket suitable for 63 to 100 KVA transformer complete all as specified and as directed.

Supply only Breather suitable for breather of 63 to 100 KVA distribution transformer complete all as specified and as directed.

Supply and replacement LT bush with rod of brass complete cork waher with nuts bolts and washers of brass of suitable size for 63 to 100 KVA Transformer.

Supply and replacement HT bush with rod of brass complete cork waher with nuts bolts and washers of brass of suitable size for 63 to 100 KVA Transformer.

Supply, filling and top up with new Transformer Oil of dielectric strength more than 45 KV at 2.5mm gap confirming to IS : 335-1993 complete all as specified and as directed. Make : APAR Oils / Savita/HP/Power Oil

Dehydration of transformer oil by using filteration plant of suitable capacity and removing the moisture / dust till obtaining the oil dieletric strength 45 KV at 2.5mm gap and above for various transformer / voltage stablizer of any size located at different substations, complete all as specified & directed.

Spray painting of complete transformer with one coat of weather proof gray synthetic enamel paint after cleaning / removing dust, rust or carbon etc including writing MES / SM No as directed by the Engr-in-Charge of transformer 63 to 250 KVA complete.

Material & Labour XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable (heavy duty), with aluminium conductor, 11000 volts grade cross sectional area 95 sqmm 3 core complete including removal of u/s cable all as specified and as directed. Make : Havells/Glostar/Polycab/Nicco (Note:- Excavation, sand coushioning and bricks protections shall be measured and paid separately under relevent items.)

Material & Labour XLPE insulated, armoured electric power cable (heavy duty), aluminium standard conductor, 1100 volts for the following sizes with galvanised steel strip or wire complete including removal of u/s cable all as specified and as directed. Make : Havells/Glostar/Polycab/Nicco (Note:- Excavation, sand coushioning and bricks protections shall be measured and paid separately under relevent items.)

(a) 10 sqmm 2 core

(b) 16 sqmm 4 core

(c) 25 sqmm 4 core

(d) 35 sqmm 3.5 core

(e) 50 sqmm 3.5 core

(f) 70 sqmm 3.5 core

Supply and fixing aluminium cable lugs (Elecrical connector) for tightness to electrical cable with supporting nuts/bolts complete of followings sizes :-

(a) 25 Sq mm

(b) 35 Sq mm

(c) 50 Sq mm

(d) 70 Sq mm

Supply and replace 50 watt LED street light luminaries including lamp with pressure die-cast aluminum housing, heat resistant toughened glass, IP 66/IP 65 protection and better optics for uniform distribution. Make :Havells Superb Street Light 50W 6500 K IP65 LHETAVU7PA7 J050 or equivalent all as specified and directed

Material & Labour for replace the bracket for street light made out of 1.5 Mtr long, 40 mm bore GI tubing, medium grade bent to required angle/ shape with and including necessary clamps, nuts, bolts, & washers of suitable size complete all as specified and directed

Supply and fixing and passing into the pole and connecting PVC unseathed copper cable 2.5 sqmm multi stranded copper conductor including necessary protection work and taking down old one complete as specified and directed.

Supply & fix in repair Bus bar Panel, Size:0.8x0.4x0.4 Mtr, Kisok outdoor type, CPRI type tested, LT 440 Volts, 50 Hz , 3 Phase 4 wire supply , floor mounted factory fabricated weather and vermin proof protection class IP 54 made out of 1.4 mm thick MS Sheet CRCA on angle iron 30X30X4mm frame of size suitable to incorporate following accessories with front opening doors, locking arrangement powder coated internally and externally, shall have channel base of appropriate size and mounted on PCC foundation of size as required or approved by manufacturers in PCC 1:3:6 type C-2 , using 40 mm graded crushed stone aggregate as recommended by manufacturer or directed by the Engr -in - charge including earth work complete comprising of Bus bar chamber comprising 4 Nos Aluminium strip bus bars PVC insulated made of aluminium strip of size suitable for 200A current. PVC sheathed with colour coding.

Material & Labour for earthing with galvanised steel earth plate electrode of size 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25m deep below the ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to the galvanised earth lead by means of bolts, nuts check nuts and washers of galvanised iron wire of size 4 mm dia as earthing lead as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion including necessary excavation and earth work in soft/loose soil, returning filling, disposal of surplus soil, earth pit in PCC 1:3:6 type C-1 using 20mm graded stone aggregate pit, funnel, 20mm dia GI medium grade watering pipe, 40mm dia GI medium grade earth lead protection pipe and pre-cast earth pit cover made of RCC (1:1.5:3) type A1 duly reinforced with 8mm dia TMT bar @150 c/c both ways, one lifting handle made of 10mm dia TMT bar embedded in cover slab and cover, wire, copper lugs etc mesh, chorcoal and common salt in alternate layer of 15cm thick complete all as specified and directed.

Material & Labour Earthing for poles and other machinery/eqpt using GI strip as earth lead and MS galvanized steel earth plate electrode 60cmx60cmx 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate is not less than 1.5 mtr below normal ground level connected to galvanized iron strips 32x6mm as earthing lead with GI pipe, nuts, bolts and washers complete upto and including test point made out of 40x3mm GI flat, PCC pit of required size in PCC 1:2:4 type B1 and RCC cover with frame, charcoal, common salt15cm at round the earth plate watering pipe 20mm med grade/galvanized and 40mm dia GI pipe light grade for GI strip protected steel with funnel complete all as specified and directed as shown in electrical plate No 3 of SSR Part-I 2009.

narayan construction (BID ID -3160921)

SWASTIK TRADERS (BID ID -3155417)

DAVINDER SINGH (BID ID -3160574)

M/S Builders Indias (BID ID -3154962)