REPAIR AND MAINTENANCE OF LT DISTRIBUTION NETWORK AND CERTAIN E/M WORKS AT AF STN UTARLAI

Amount

Excavation in trenches n' exc 1.5 m wide and n' exc 1.5 m in depth and n' exc 10 Sq m on plan and getting out in soft / loose soil complete all as specified.

Excavation in trenches for each additional 1.5m or part thereof in depth beyond the first 1.5 m for laying of cable/fixing of pole and getting out in any type of soil.

Returning, filling in excavated material (soil) including spreading, levelling, watering and well ramming in layers not exc 25 cm all as specified..

Removing excavated material to a distance n' exc 50 m and depositing where directed at a level n exc 1.5 m above the starting point complete all as specified.

Material and labour for clean dry tibba sand in trenches/ducts for cushoning to cable complete all as specified. (Punned thickness shall be measured & paid)

Supply and laying stone patti 40-50 mm thick, 25-30 cm wide abutting each other for cable protection complete all as specified.

Laying only stone patti received serviceable during excavation for cable complete all as specified.

M & L PCC 1:4:8 type D2 using 40 mm graded stone aggregate for foundation of pole. Complete all as directed by Engineer-in-Charge.

M & L PCC 1:3:6 type C1 using 20 mm graded stone aggregate for pedestal of pole. Complete all as directed by Engineer-in-Charge.

Taking out existing underground LT Cable from trenches or pole or underground in pipe duct either by cutting PCC surface and making good after passing the cable carefully cleaning of the same and relaying jointing and testing the underground armoured cable LT XPLE obtained complete all as specified and directed by Eng-in-charge.

185 Sqmm 3.5 core

150 Sqmm 3.5 core

120 Sqmm 3.5 core

95 Sqmm 3.5 core

70 Sqmm 3.5 core

50 Sqmm 3.5 core

25 Sqmm 3.5 core / 4 core

10/16 Sqmm 4 / 2 core

Blank

Supply & Laying, Jointing and testing in replacement underground armoured cable LT XLPE insulated cable 1100 Volts PVC bedded galvanised steel strip or wire armoured electric LT UG cable heavy duty with multi stranded aluminium conductor laid in trenches / walls/ ducts passing through pipe cable of following size complete all as specified:-

185 Sqmm 3.5 core

150 Sqmm 3.5 core

120 Sqmm 3.5 core

95 Sqmm 3.5 core

70 Sqmm 3.5 core

50 Sqmm 3.5 core

25 Sqmm 4 core

16 Sqmm 2 core

10 Sqmm 2 core

M & L in replacement steel tubular swaged poles complete with cast iron base plate, final taper plug, bolts, nuts & screws as specified type 410 SP-22 ( 9 metres long) and marking of pole number by using stencil complete all as directed by Engineer-in-charge. Note:- 1. Excavation in PCC will be measured and paid separately. 2. Font and letter size for marking of pole number will be as per direction of engoneer in charge. 3. Rate for dismanteling & removal of old pole from AF stn deemed to be included in quoted rate.

S&F in repairs galvanised steel tube "light grade" with fittings for protection of cable for the following sizes complete all as directed by Engineer-in-Charge.

80 mm dia

40 mm dia

Servicing and calliberation of LT Panel includingCutting the faulty/ damaged end portion of the U/G cables of any type and making good end termination with and including suitable size of aluminium thimble duly crimped with crimping tool and refixing its own position ,including Insulation tape, nut ,bolts etc as reqd of minor parts are as following:-

Bus bar Aluminium

Bus bar copper

Aluminium lugs of size 10 Sqmm to 16 sqmm

Aluminium lugs of size 25 Sqmm to 35 sqmm

Aluminium lugs of size 50 sqmm to 70 Sqmm

Aluminium lugs of size 95 sqmm to 120 Sqmm

Aluminium lugs of size 150 Sqmm to 240 sqmm

Aluminium lugs of size 300 Sqmm to 400 sqmm

Rewiring of LT panel, dressing/insulating exposed busbars & wiring, tightning of all nut bolts of bus bars connecting point etc except incoming and outgoing LT cable

Internal Cleaning for dust/spider web

Dressing and insulating of exposed parts of incoming/outgoing LT cable end termination joint 3.5/4 core of any capacity/type including reconnecting the same to circuit and marking of incoming/outgoing feeder detail on cable by using approprite stencil and colour Note:- (a) The contractor has to arrange minimum one well experienced electrician & one helper on all working hours attend the repair mentioned against item No. 15 throughout the contract period. The rates of services required as mentioned above is deemed to be included in quoted rates against the item mentioned. The assigned job should be attended within two hours after receipt. If the contractor failed to attend the job within given time frame penalty at Rs 1000/- per hour will be imposed for each additional hour. Work at site will be completed as per direction of Engr-in-charge.(b) Minor item such as lugs/spreader (copper/aluminium), electrician insulation tape, nut bolts, indicator lamp for R Y B phase, electrical wire of single core from size 0.5 sqmm to 10 sqmm upto a length of 01 metre for each job), mounting arrangement of MCCCBs/MCBs/Panel meters and other minor misc items or iron/hardware work in case of un even fittings deemed to be included in quoted rates. in case of any dispute for the same garrison Engineer will decide the characteristics of minor item and his/her decision will be binding. (c) Contractor will arrange necessary tools and plants i.e. ladder, vehicle, electrician tool kit, measuring instruments etc., safety equipment, first aid box with all essential medicins.(d) Contractor will update complete details of repair / Job completed or under progress on daily basis. Details of repair / Job to be done will be provide by JE (E/M) throughout the contract period. Contractor will provide all necessary stationary i.e. job slip and job register necessary writting material and other required items pertains to his job. Contractor is responsible to update all the repairs/jobs completed or under progress and produce the same daily on demand to JE E/M. Rates for the same deemed to be included in quoted rates.

Supply only moulded case circuit breaker, 415 Volts, 4 pole, lcs=100%lcu, adjustable overload setting 0.8-1.0 x In and short circuit setting 6-10 x In with thermal magnetic settings including spreader terminal and connecting items confirming to IS/IEC 60947-2 having following capacities :-

MCCB 400 Amps 36 KA

MCCB 350 Amps 36 KA

MCCB 250 Amps 36 KA

MCCB 200 Amps 36 KA

MCCB 160 Amps 36 KA

MCCB 100 Amps 16 KA

Material and labour for servicing of ACB 800 Amp to 1000 Amp icluding replacement of part all as specified and directed by engineer-in-charge

Material and labour for Welding/ brazing for door/ hinges/lock etc

Supply only Miniature circuit breaker, 240 Volts, C curve type with breaking capacity 10 KA including Confirming to IS/IEC 60898-1 having following capacities:-

MCB 6 A SP

MCB 16 A SP

MCB 25 A SP

MCB 6 A DP

MCB 16 A DP

MCB 25 A DP

MCB 40 A TP

MCB 63 A TP

MCB 40 A FP

MCB 63 A FP

S & F in repairs end termination cable jointing kit, heat shrinkable for 1.1 KV grade XLPE cable complete with jointing material and accessories and testing after jointing of following sizes:-

25 to 50 sqmm 3.5 core

70 to 120 sqmm 3.5 core

150 to 185 sqmm 3.5 core

240 to 300 sqmm 3.5 core

S & F in repairs Straight through cable jointing kit, heat shrinkable for 1.1 KV grade XLPE cable complete with jointing material and accessories and testing after jointing of following sizes:-

25 to 50 sqmm 3.5 core

70 to 120 sqmm 3.5 core

150 to 185 sqmm 3.5 core

240 to 300 sqmm 3.5 core

M&L for drilling hole under road for laying of U/G cable through pipe of suitable size complete all as specified and directed at site.

Supply install and testing in replacement out door wheather proof bus bar chamber of size 120 cm x 40 cm x 40 cm made out of 18 SWG MS sheet having one side openable hinged door shutter with looking arangement mounted on 40x40x6mm anlge iron frame with legs welded and 04 nos copper bus bar of 300 Amp rating including of one MCCB TPN 200 Amp 25 KA for controlling Electric supply complete erected on ground with necessary PCC 1:3:6 type C2 foundation complete bus bar chamber painted with two coats of approved enamel paints over one coat of primer red oxide including making cable connection with necessary gland , lugs/thimbles all as specified. NOTE: Cost of dismantling/ taking down old unserviceable bus bar chamber shall be included in the quotedd rate of this item.

Supply install and testing replacement out door wheather proof bus bar chamber of size 120 cm x 40 cm x 40 cm made out of 18 SWG MS sheet having one side openable hinged door shutter with looking arangement mounted on 40x40x6mm anlge iron frame with legs welded and 04 Nos copper bus bar of 200 Amp rating including of one MCCB TPN 100 Amp 25 KA for controlling Electric supply complete erected on ground with necessary PCC 1:3:6 type C2 foundation complete bus bar chamber painted with two coats of approved enamel paints over one coat of primer red oxide including making cable connection with necessary gland , lugs/thimbles all as specified. NOTE: Cost of dismantling/ taking down old unserviceable bus bar chamber shall be included in the quotedd rate of this item.

M&L earthing complete as per electrical plate No. 3 of MES SSR Part-I with galvanised steel earth plate electrode 60cmx60cmx6.0mm thick, buried directly vertically in ground in a pit depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less then 1.5 metre below normal ground level connected to and including galvanised iron or steel earth wire 4mm by means of bolts, nuts check nuts and washers of galvanised iron or steel. Earthing strip shall be protected by galvanised iron or steel pipe 20 mm bore light grade and connected to continuous earth wire on pole / test point. Watering pipe shall be 20 mm bore GI medium grade. The earthing shall be of inclusive of excavation & earth work in any type of soil, charcoal, salt, funnel PCC pit and RCC cover complete all as specified & tested complete. Note 1. Following items deemed to be included in quoted rates (a) Earth electrode (b) Main earth lead from earth electrode to test point and further to equipment to be earthed upto 7.5 mtr. ( c) M&L for connecting earth electrode and earth lead as specified (d) adequate qty of charcoal ,dust and commom salt as per direction (e) All labour involved incl testing of earth network (f) Excavation and earth work or drilling hole for electrode (G) PCC pit and CI Cover (h) Funnel with watering pipe, wiremesh and copper lugsetc. as specified (j) GI protection pipe of size as specified for protection of earth lead from mechanical injury or tempring Note 2. On testing after completion if the desired earth resistence is not obtained the earthing will be redone at no extra cost

M&L earthing complete as per electrical plate No. 3 of MES SSR Part-I with galvanised steel earth plate electrode 60cmx60cmx6.0mm thick, buried directly vertically in ground in a pit depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less then 1.5 metre below normal ground level connected to and including galvanised iron or steel earth strip 25mmx4mm by means of bolts, nuts check nuts and washers of galvanised iron or steel. Earthing strip shall be protected by galvanised iron or steel pipe 40 mm bore light grade and connected to continuous earth wire on pole / test point. Watering pipe shall be 20 mm bore GI medium grade. The earthing shall be of inclusive of excavation & earth work in any type of soil, charcoal, salt, funnel PCC pit and RCC cover complete all as specified & tested complete. Note 1. Following items deemed to be included in quoted rates (a) Earth electrode (b) Main earth lead from earth electrode to test point and further to equipment to be earthed upto 7.5 mtr. ( c) M&L for connecting earth electrode and earth lead as specified (d) adequate qty of charcoal ,dust and commom salt as per direction (e) All labour involved incl testing of earth network (f) Excavation and earth work or drilling hole for electrode (G) PCC pit and CI Cover (h) Funnel with watering pipe, wiremesh and copper lugsetc. as specified (j) GI protection pipe of size as specified for protection of earth lead from mechanical injury or tempring Note 2. On testing after completion if the desired earth resistence is not obtained the earthing will be redone at no extra cost

M &L for 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 to, GI wire 4mm

M &L for 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 to, 25x4 mm galvanised iron strip galvanised iron or steel wire

Labour for pruning/trimming the tree branches 3 mtr adjacent to the LT OH lines/street light feeder on both sides of conductor taking out the same to dump yard/place as decide by Engineer in charge. Note 1- Contarctor will take prior approval from the Engineer in charge before commencing the work. Planning to execute the work and area wise shutdown required will be approved by engineer in charge and the same will be maintained by contractor. Note2.-An Electrician will always be present on site with working labour and all necessary tools plants i.e. ladder, vehicle etc.,safety equipment, first aid box with all essential medicines, Rates for the same deemed to be included in quoted rates

Supply only LT cable route indicator cast iron of suitable size mounted on 40 x 40 x 3 mm angle iron with height of 1.5 metre along with LT cable trench including planting in ground with PCC complete all as specified and directed.by Engr-in-Charge.

M&L for disconnecting jumpers of from OH LT line and remove carbon and replace the damaged jumpers refixing, connecting and testing the same complete all as required at site.

Supplying and fixing of 1100 volts grade heavy duty cable PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections twin core cable flat stranded conductor of following sizes including taking down old U/S cable :- 10 sqmm, 2 core

M& L for Surface Dressing / Cleaning of Surrounding Area of Two Pole / Four Pole / Sub Stn structure including removing of tree brances, small trees plants bushes etc complete all as directed by Engr-in-Charge

Material and labour for danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 20x15cm size complete all as directed by Engr-in-Charge

M& L for Painting of LT panel with one coat of synthetic enamel paint of approved colour, writing letters on LT panel (by using appropriate colour, size /font stencil) for all incoming and outgoing feeder complete all as specified and directed by Engr-in-Charge

M& L for Writing letter on LT panel (by using appropriate colour,size/font stencil0 for all incoming and outgoing feeder complete all as specified and directed by Engr-in-charge

M & L for streching of Aluminium conductor, steel reinforced on poles complete all as specified and directed by Engineer in charge Note- Rate for ACSR conductor deemed to be included in quoted rates

M & L for streching of Galvanised steel wire 3.15 or 4mm dia on poles complete all as specified and directed by Engineer in charge Note- Rate for galvanised steet wire conductor deemed to be included in quoted rates

M & L for Dismantling earth wire or copper conductor,service feeder or distributor span from poles complete all as specified and directed by Engineer in charge

M & L for Dismantling of ACSR or AAC conductors from poles complete all as specified and directed by Engineer in charge

M & L for Stay assembly 20 mm complete with accessories as shown in electrical plate No. 1 (loop type insulator, stay clamps, excavation and concrete measured separately) including dismantling old stay assembly complete all as specified and directed by Engineer in charge

M & L for Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers,welding, bending cold or hot, drilling holes for bolts, in any shapeor size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint and including dismantling of old cross arms of MS channel or angle section complete all as specified and directed by Engineer in charge

M & L for Pin type, porcelain, vitreous, white,brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 50mm height, 65mm dia for 1100 volts grade including dismantling of old insulator complete all as specified and directed by Engineer in charge

M & L for Shackle Type, Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts, 100mm dia for 1100 volts grade including dismantling of old insulator complete all as specified and directed by Engineer in charge

Supply and fixing of (can) cylindrical type 440V capacitors to APFC panel complete all as specified and directed by engineer in charge KVAR rating are as below

Supply, installation, testing and commisioning of Current transformer (CT) with ratio 100/5 or 200/5 Amp suitable for relay of APFC panel complete all as specified and directed by engineer in charge

National Rewinding Works (BID ID -3155361)

Devi Engineeing (BID ID -3160794)

M/s Malinath Electricals (BID ID -3155379)

Rasam Engg Co. (BID ID -3154210)

Lalit and Brothers (BID ID -3160374)