REPAIR/ MAINT OF EXTERNAL ELECTRIFICATION OF LT DISTRIBUTION SYSTEM INCLUDING UG CABLES, OH CONDUCTORS, LT PANEL, STREET LIGHTS, PERIMETER LIGHTS, RUNWAY LIGHTS AND COMPREHENSIVE MAINT ACS AND DG SET, HT 11 KV NETWORK ALONG WITH CABLE, GOAB SWITCH, D

Amount

Excavating in trenches n exc 1.5 mtr wide and n exc 1.5m in depth , for foundation ,etc or for shafts, wells , cesspits, main holes etc.n exc 10 sqm on plan and n exc 1.5 mtr depth and getting out on soft/ lose soil and added additional 1.5 m or part thereof in depth beyond the first 1.5 mtr complete all as specified nd directed.

Excavation in trenches in soft/loose soil not exceeding 1.5 meters wide and cum exceeding 1.5meter depth but n.exc. 3 mtr in depth for foundation for poles etc complete all as specified nd directed.

Returning, filling in, including spreading , levelling , watering and well ramming in layers not exc 25cm of any soil complete all as specified nd directed.

Removing excavated materials(soils) n exc 50m and depositing where directed at a level n exc 1.5m above the starting point complete all as specified nd directed.

Supply and spreading of dry river bed sand for cushioning and covering the under ground cable in trenches all as specified and as directed(Note : Punned down thickness shall be measured)

M&L for well burnt sub class 'B' bricks of nominal size 230X115X75 mm abutting each other for mechanical protection of cable with width equal to lenght of brick including taking out old complete all as specified.

Supply & laying HDPE pipe 65mm bore for laying of LT cables etc complete with all accessores all as specified and directed

Supply and Laying in trenches or drawn through pipe or fixed on wall / poles , LT UG cable 1100 Volts, heavy duty XLPE insulated, screened, PVC bedded, galvanised steel strip or wired armoured with aluminium conductor after removing old one of following size:- 16 sqmm 4 core

All as per ser item No 8 (here in before) 25 Sqmm 4 core

All as per ser item No 8 (here in before) 35 Sqmm 31/2 core

All as per ser item No 8 (here in before)50 Sqmm 31/2 core

All as per ser item No 8 (here in before) 70 Sqmm 31/2 core

All as per ser item No 8 (here in before) 95 Sqmm 31/2 core

All as per ser item No 8 (here in before)120 Sqmm 31/2 core

All as per ser item No 8 (here in before) 150 Sqmm 3.5 core

All as per ser item No 8 (here in before) 185 Sqmm 3.5 core

M/L for GI pipe light grade 100 mm dia Tubes, with all fitting and fixed complete to walls and ceilings or laid in floors complete for protection of cables

All as item No 17 (here in before) above but 50mm dia tubes.

All as per Item No 17 (here in before) above but 80 mm dia tubes

M & L for making good the damaged Tar Road by using additional stone metal, PCC etc

Supply and fixing MCCB, 4 Pole, 400 Amps , with breaking capacity 36 KA , fixed type(HBC Series),adjustable type thermal setting 70-100% and magnetic adjustable 5-10 times AC 415 volt ,50 HZ conforming to IEC:60947-II/IS:13947-II and connecting all as directed.

All as per item No 22 (here in before) but 200 Amps 25 KA breaking capacity.

All as per item No 22 (here in before) but 100 Amps 16 KA breaking capacity.

All as per item No 22 (here in before) but 63 Amps 16 KA breaking capacity.

Attending breakdown complaint of OH conductors of any size and repairing the conductorby using additional conductor of same size for fiing on poles incl binding wire etc (Note - All T&P required for attending the comlaint incl safety devices will be the contractors responsibility)

Material and labour for spray painting the LT Steel tubular pole,9 mtr long with two coats of synthetic enamel paint including prepartion of surfaces,Scraping the old paint and writing pole No in Black letter under yellow circle with alternative layers of black and white strip upto 1.5 mtr from GL all as directed.

Supply, installation, commissioning and testing of switch Air break, Gang operated with 12 insulator polymer type type switch Triple pole mechanicaly operated, mounted on insulator and steel frame, with mechanism worked from ground level, for current rating 200 Amp operating Voltage 11 KV out door type vertical mounted type complete with locking arrengement, assembly with fuse mount carrier and fuse element of required capacity and isolate suitable for 11 KV including necessary electric connection and 11 KV fuse (drop out type) of capacity as per site requirement and as specified by Engr Incharge , complete with DO fuses assembly with channel and one No. operating Rod of 25 mm dia bore medium grade GI pipe of suitable length worked out from ground level and handle complete with lock and two Nos keys incl flat iron clamp 50mm x 6mm MS channel of suitable size & length for fixing GOD incl nut,bolt, washers including disconnecting and taking down the old unserviceable GOD & accessories ; Complete all as specified and as directed by the Engineer-in-charge.

Supply & fix LT line seperator 3/4 lines made of high quantity PVC material to provide 300 mm distance between phase to phase and neutal or as per sit reuirement as directed by Engineer-in-charge

Supply and Fixing bus bar enclosure 800 mm x 600 mm x 200 mm made out of 3.15 mm thick CRCA steel duly powder coated and including 200 amp, 25 kA MCCB 4 pole, thermal magnetic based fitted in bus bar enclosure using 200 Amp rated bus bar, 25x10mm aluminium and RYB indication lamps duly protected by 2A SP MCB outdoor type welded to suitable size MS angle iron frame and embedded in PCC 1:2:4 type B-1 ; Complete all as specified and as directed by the Engineer-in-charge.Note - Height of the enclouser from ground level 0.5 meter .

Supply and Fixing bus bar enclosure 800 mm x 600 mm x 200 mm made out of 3.15 mm thick CRCA steel duly powder coated and including100 amp, 25 kA MCCB 4 pole, thermal magnetic based fitted in bus bar enclosure using 250 Amp rated bus bar, 25x10mm aluminium and RYB indication lamps duly protected by 2A SP MCB outdoor type welded to suitable size MS angle iron frame and embedded in PCC 1:2:4 type B-1 ; Complete all as specified and as directed by the Engineer-in-charge.Note - Height of the enclouser from ground level 0.5 meter .

Material and labour for earthing complete with galvanised steel earth plate electrode 600 x 600 x 6.0 mm thick, buried vertically in ground (Each pit not less than 2.25 mtrs deep below normal ground level with top edge of plate not less than 1.50 M below normal ground level) connected to GI strip 32 x 6 mm , by means of bolts, nuts, and check nuts and washers etc encased in GI protection pipe 40 mm dia light grade pipe for protection of GI earth strip both to be provided to the extet of 7.5 meters, all as shown on electrical plate No 3 of MES SSR - 2004 Part - I, GI protection pipe buried in ground, laid under floors / plinths or mixed on walls / pole etc or concealed in walls etc; with provision of mixture of charcoal dust and common salt packed upto minimum 150 mm all around the earth plate, including PCC 1:2:4 type B-1 earth pit with M.S angle iron frame, cast iron cover with locking arrangement, with GI 20 mm dia medium grade pipe and MS funnel with wire mesh for watering arrangement, including necessary excavation and earth work in any type of soil / strata and testing on completion complete all as specified and directed.Note:- i) Cost of GI strip 32 x 6 mm and protection pipe 40 mm dia is deemmed to be included in rate quoted ii) Excavation and returning filling of Soil any type is deemed to be included in rates.

Supply and fixing ACSR conductor complete all as specified and directed Engr-in-Charge

M&L for dismantling of OH conductor of any size complete all as specified and as directed by Engr in charge

Material and Labour for dismantling of cross arms complete all as specified and as directed by Engr in charge

Material and Labour for dismantling of insulators complete all as specified and as directed by Engr in charge

Material and labour for cleaning away all grass vegetation sapling shrubs bushes from under roots and tress not exceeding 30 cm girth and removing upto distance of 50 mtr out the periphery of area under cleanness including levelling of the area complete all as specified and directed. Note : T & P required for this job to be brought by the contractor.

supply and fixing in true vertical position steel tubular poles 9m long complete with cast iron base plate final taper plug bolts, nuts and screws tyoe 410 SP-31 confirming to relevant IS including one primer coat of red oxide ant two coats of aluminimu paint and two coats of bituminous paint inside and oustide of botom portion up to 1.8 mtr length all as specified and provide circular bend 1 No of width 2 cm with alternative layers of black and white strip upto 1.5 mtr from GL complete including dismantling of old existing PCC pole all as specified and directed.

Material and labour cement conctere 1:4:8 type D-2 (using 40mm grade stone aggregate) as in foundation of pole and similar work complete all as specified and directed.

M&L for PCC (1:3:6) type C-2, (using40mm graded stone aggregate) as in coping of pole and similar work complete all as specified and directed.

Material and Labour for finding UG cable fault by excavation and repairing the cable of various sizes with straight through joint and returning refilling of trenches and removal of extra soil form site complete all as directed for the following :- LT cable 3.5/4 core 10 Sqmm to 35 Sqmm incl straight through joint (Note -Excavation and earth work will be measured and paid separately)

Material and Labour for finding UG cable fault by excavation and repairing the cable of various sizes with straight through joint and returning refilling of trenches and removal of extra soil form site complete all as directed for the following :- LT cable 3.5/4 core 50 Sqmm to 95 Sqmm incl straight through joint (Note -Excavation and earth work will be measured and paid separately)

Material and Labour for finding UG cable fault by excavation and repairing the cable of various sizes with straight through joint and returning refilling of trenches and removal of extra soil form site complete all as directed for the following :- LT cable 3.5/4 core 120 Sqmm to 300 Sqmm incl straight through joint (Note -Excavation and earth work will be measured and paid separately)

M&L outdoor type cable end termination kit, heat shrinkable jointing material and accessary complete suitable for 11 KV HT XLPE underground cable size 50 to 95 sqmm 3 core including testing after jointing complete all as specified and directed.

M&L for prunning and removing of tree branches touching to electric over head lines wild growth around LT /HT over head lines and around pole and stay complete to make clear span of 2 Mtr of tree both side of the OH line with JCB, Cutter and all tools, plants etc all as directed by Engineer-in-Charge.Note : (i) Distance between pole to pole will be measured and paid. (ii) Contractor has to take upmost care to avoid damage to existing lines/structures if Any breakdown of line caused during punning shall be made good without any extra cost. (ii) Prunning of tree to be done twice a year (before & after rainy season) (iii) The contractor has to ensure the proper safety of the tradesmans to avoid any mishappening. If any mishappening occures the contractor will be solely responsible for it.

Supply and fix LED street light 90 W with minimum lumen of 6000Lm, PF >0.95 new generation energy saving and environmental friendly long life made up of pressure diecast aluminium housing with high power LED as lighting source cover having driver compartment with IP66 protection and impact resistance with built-in surge protection device suitable for mounting for pole complete including taking down of old complete all as specified and diected. Make : Crompton/Philips/ GE.

Supply and fix LED Flood light 200 W with minimum lumen of 10000Lm, PF >0.95 new generation energy saving and environmental friendly long life made up of pressure diecast aluminium housing with high power LED as lighting source cover having driver compartment with IP66 protection and impact resistance with built-in surge protection device suitable for mounting for pole complete including taking down of old complete all as specified and diected. Make : Crompton/Philips/ GE.

M & L of Air termination, single pointed aluminium rod 12mm dia and 300mm long all as specified and directed.

M & L of Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw all as specified and directed.

M & L of Aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground all as specified and directed.

M & L of Galvanised iron strip 32 x6mm buried in ground

Prova Stores (BID ID -3494578)

Biren Sarmah (BID ID -3493014)

pintoo construction (BID ID -3493727)

M/s Nice Traders (BID ID -3494011)

M/S D P BERLIA (BID ID -3493686)

M/s PRABIR ENTERPRISE (BID ID -3494346)

M/S S. P. ENTERPRISE (BID ID -3494249)