REPAIR/ MAINT EMERGENT EXTERNAL ELECTRICAL SERVICES, CEILING CONDUCTORS, CEILING LIGHTENING PROTECTION AND OTHER CONNECTED ALLIED WORKS AT TECH AERA AF STN UTARLAI

Amount

M&L Checking of Earth Resistance of Chemical / conventional Earthing to maintaining the Register here-in-after.approximate 800 Nos location all as directed by engineer incharge NOTE :- (a) Contractor will Check Earth Resistance Every Day( Minimum 29 Nos per day) and will be recorded in Register, and signature by user same will be put up to the Engineer-in-Charge on the every Next Day, failing which a Sum of Rs. 20.00 per Day will be recovered from the Contractor. (b) Earth Resistance Tester will be provided by the Contractor. (Tester should be caliberated from Authorised Company). (c) Contractor will be responsible for pouring of water in the Earth Pits at his own arrangement with Water Tanker, etc.However, only Water will be provided by the Department. (d) Checking of Earth Pits existing and improve it by watering/adding a layer of Salt/ Magnesium Sulphate/Charcoal, etc till desired value. (e) Contractor will be responsible for marking of Earth Check date and due date on existing Plate with paint as specified by Engineer-in-Charge. (f) One Party (consisting 1 No. Electrician with 1 No. Helper) will be reported every Morning and Evening to JE E/M for Daily attendance. (g) Recovery for Penalty will be made as follows :- (i) Earthing left without Checked in a Month - Rs. 50.00/Earthing (ii) Earthing left without Watering in a Month - Rs. 100.00/Earthing (iii) Absent of Electrician (for One day) - Rs. 600.00/Day (vi) Absent of Helper/Mazdoor (for one day) - Rs. 400.00/Day

M & L in replacement of Earthing complete with copper earth electrode 60×60cm ×3mm burried directly in ground vertically to depth not less than 2.25 m below normal ground level with top edge of the earth plate at a depth not less than 1.5 m below ground level connected to and including copper strip of size 20x3 mm by means of nut, bolt, check nut and washer etc made of copper alloy and connection to test point and earth dolly all as shown in electrical plate No. 3 SSR Part I 2009 and specified or indicated including excavation and earth work in any type of soil, (in any type of strata ) PCC (1:3:6) type C-1 in chamber, precast 50 mm thick in cement concrete (1:2:4) type B-1 with CI frame, funnel, GI Pipe 20 mm bore medium grade for watering and 40 mm bore GI Pipe middium grade for protection and test point complete Note:-(i) Copper strip 20 x 3 mm upto 7.5 mtr length shall be deemed to include in this items rate. (ii) On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost by the contractor.

S&F in replacement of Copper Strip 20x3.mm with insulator centre to centre distance not exceed 0.5mtr and fixing Screws for Roof/ Earth Conductors and Down Conductors above Ground including taking down unserviceable Strip, complete all as specified and as directed. NOTE : All Joints should be joined by Brazing or by using of nuts and bolts and washers.

M&L in replacement of 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 earth strip 32 mm x 6 mm 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 40mm bore light grade and connected 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, (in any type of strata ) charcoal, salt, funnel PCC pit and RCC cover complete all as specified & tested complete.Note:-(i) GI strip 32 x 6 mm upto 7.5 mtr length shall be deemed to include in this items rate.(ii) On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost by the contractor.

S&F in replacement of Galvanised Iron Strip 32x6mm with insulator centre to centre distance not exceed 0.5mtr and fixing Screws for Roof/Earth Conductors and Down Conductors above Ground including taking down unserviceable Strip, complete all as specified and as directed. NOTE : All Joints should be joined by Brazing or by using of nuts and bolts& washers.

S&F in replacement of Galvanised Iron Tubing/Pipe 40mm bore (dia), light grade for Strip Protection, fixed in Walls/Floors with suitable type of Clamps, etc. including taking down unserviceable GI Tubing/Pipe, complete all as specified and as directed.

S&F replacement of Aluminium Strip 25 x3 mm with insulator centre to centre distance not exceed 0.5mtr on PCC 1:2:4 block of size 150x150x150mm and fixing Screws/fasteners for Roof/ Earth Conductors and Down Conductors above Ground all Joints should be connected by Exothermic Welding or Brazing including taking down unserviceable Strip, complete all as specified and as directed. NOTE : All Joints should be joined by Brazing or by using of nuts and bolts & washers

S&F in replacement of Test Point Terminal Block made of Gun Metal or Phosphorus Bronze size 75x75x25mm, drilled and screwed including 3 No. 8mm dia, 25mm long hexagonal Head Screw including taking down/out unserviceable Test Point Terminal Block, complete all as per specified and as directed.

S&F in replacement of Air Termination Single Pointed Aluminium Rod 12 mm dia and up to 300 mm long with Arrester Clamp 12mm made out of Brass/ Gun Metal fixed on 40mm dia GI pipe light grade 1.2m length including provision of Cement Concrete 1:2:4 (20mm graded stone aggregate) Block 300x300x300mm (and necessary Fixing Arrangement at Roof all Joints should be connected by Exothermic Welding or Brazing complete all as specified and as directed.

M & L in replacement of Earthing complete with 60cmx 60cmx3mm thick GI plate electrode buried in ground vertically not less than 2.25mtrs deep below ground level with top edge of the plate not less than 1.5mtrs below ground level with GI wire of size 4 mm dia as earthing lead including necessary excavation and earth work (in any of strata) providing charcoal dust, salt mixed in continuous layer 15 CM all around the plate and balance pit will be filled with vigitable soil approved by engineer in charge, PCC (1:3:6 ) type C1 in chamber ,Precast 50 mm thick in cement ( 1:2:4) type B.1 with CI frame with cover, 20mm dia bore light grade GI watering pipe funnel etc fixing of GI Pipe 15 mm bore protection for earthing wire from earth pit to test point complete & making connection all as directed by Engineer-in-Charge. Note:-(i) GI wire 4 mm dia upto 7.5 mtr length shall be deemed to include in this items rate. (ii) On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost by the contactor.

M&L in replacement of 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 4mm dia galvanised iron or steel wire

Taking out and re-fixing old loose / displaced aluminium /GI/Copper strip with new insulator centre to centre distance not exceed 0.5mtr on PCC 1:2:4 block of size 150x150x150mm for roof conductor /down conductor without PCC blocks upto test point above ground level complete all as directed .NOTE : All Joints should be joined by Brazing or by using of nuts and bolts & washers. Cost of saddles and PCC block is deemed to be included in rate quoted by the contractor.

S&F in replacement of Earthing funnel of 20 mm dia with wire -mesh all as specified as directed

S&F in replacement of earthing pit identifier / marker for lightening arrester made of MS plate 2 mm thick oval size having major axis 30 cm & minor axis 20 cm mounted on 25 mm dia GI pipe medium grade project 60 cm above the ground and embeded suitably in concrete PCC 1:2:4 type B2 of size 20 cm x 20 cm x30 cm. The oval shape identifier & earthing pit cover shall be painted with two coat of synthetic enamel paint over a coat of primer and writing letter e.g. LA 1/10 on the plate and earth pit cover all as specified and directed by Engr-in-Charge.

Ditto all as per item No. 14 above but the plate of shape having combition of rectangle & circle segment as directed for signal earth and writing letters e.g. SG 1/10 on the plate and earth pit cover all as specified and directed by Engr-in-Charge

Ditto as per item No.14 above but having tringular plate of base 30 cm & vertical height of 20 cm for equipment earthing pit and writing letters e.g. EQ 1/10 etc all as specified and directed by Engr-in-Charge

Ditto all as per item No. 14 above but having rectangular plate of length 30 cm & width 20 cm for power supply earth and writing letters e.g. PS 1/10 etc all as specified and directed by Engr-in-Charge. (Note for item No. 18 to 21 : The cover plate of earth pit and MS plate is to be painted with colour code of the type of earthing pit for Chemical earthing pit RED colour and for conventional earthing pit YELLOW colur and writing letters on plate and cover of pit in BLACK colour. The detail guidelines has been incorporated in the particular specification. Contractor to quote their rate accordingly

M&L for Checking of any breaking in the Link of Earth Strip/Wire of Galvanised/ Copper/Aluminium any size and jointing them by Brazing and nuts and bolts , complete all as specified and as directed.

M&L in repairing of Damaged Earth Pit/Chamber in Cement Concrete 1:3:6 type C-I 20 mm grade stone aggrigate as shown in Electrical Plate No 3 of MES Schedule Part-I including providing Pre-cast PCC cover of size 350x350x50mm in PCC 1:2:4, including Funnel with wiremesh and cleaning the surrounding of Earth Pit Cover and pouring Salt Water to improve the resistace and measuring and recording the same in presence of user / Engineer-in-Charge complete all as specified and as directed.

M&L repairs Pre-cast cement Cover in Cement Concrete 1:2:4 type B1 of size 350x350x50mm with handle made of 8mm dia RTS bar, including thrownout damaged / detrioted PCC outside cantt area, complete all as specified and as directed.

M&L Chemical earthing complete with plate 90x60cmx5mm thick copper plate electrode buried direct in ground vertically not less than 3.60 mtrs deep below ground level earth pit size should be 1600mmx1600mmx5000mm with connected to copper strip of size 32x6 mm as earthing lead by means of bolt nut and brazing , check nut and washer all as directed to test point including necessary excavation and earth work in common salt , magnesium sulphate and all around the plate in continuous layers upto 1.80m height from bottom and below 3.20 m from top as per drg attached & balance pit will be filled with vegetable soil up to ground level including watering pipe GI medium grade of 25 mm dia and 50 mm dia pipe medium grade for earth strip protection up to 7.5 mtr , PCC type C1 chamber , cast iron chamber frame , heavy duty funnel and RCC pit cover all as directed . Copy of drg attached. Note:-(i) Copper strip 32X6 mm including GI tubing 50mm dia beyond 7.5 mtr length shall be paid separatly (ii) On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost by the contactor.

Repair, maint and making the continuity ofelectric supply after rectifying the defects of the electric items such as Main panel/MCCBs, Lt end joint, Lt Straigjt through joint, jumpers, ACB fault rectifing, finding the fault in cables by fault locating machine (available at office), tightening of loose connections of cables, checking the LT panels, busbar, Earthing connections, strectching of conductors, checking transformer connections on LT side, checking street Light panels, connections of street lights, DG sets connections at the locations and connecting the DG set at locations, rectifing the air lock of DG set, laying of cables and service wires and other similar electrical items/ acccessories etc including providing of small pieces of electrical wire of size 1 sqmm to 10 sqmm single core and length not exceeding 0.50 mtrs complete all as specified and directed by Engineer-in-Charge. 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 1.01 to 1. throughout the contract period including sunday and holiday. The rates of services required as mentioned above is deemd 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 withingiven time frame penality at Rs 100/- 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 electrican insulation tape, nut bolt, indicator lamp for R Y B phase, electrical wire of single core from size 0.5 sqm to 10 sqmm upt a lenght of 01 metre for each job, mounting arrangement of MCCBs/MCBs/Panel meters and other minor misc items or iron/hardwork in case of uneven fittings deemed to be included in quoted rates . In case of any dispute for the same Garrison Engineer will decided 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 took kit, measuring instruments etc safety equipment, first aid box with all essential medicines.

(d) The items required for replacement for attending the work listed under Serial Item No 1.01 to 1 shall be measured and paid separately against item as supplies only (e) Contractor will update complete details of repair/ job completed or under progress on daily basis . Details of repair/ Job to be done will be provided by JE (E/M) throughout the contract period. Contractor will provide all necessary stationery i.e job slip and job register necessary writing material and other required items pertains to his job. Contractor is responsible to update all the repairs/job completed or under progress and produce the same on 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, Ics=100%Icu, adjustable overload setting 0.8-1.0x in and short circuit seting 6-10x 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 250 Amps 36 KA

MCCB 200 Amps 36 KA

MCCB 160 Amps 36 KA

MCCB 100 Amps 36 KA

Supply only MCB , 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 throught cable jointing kit, heat shrinkable for 1.1 KV grade XLPE cable complete with jointing material and accessoris and testing after jointing of followings 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

Supply only 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 complete all as specified and directe by Engineer -in-Charge.

Suppy only 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 complete all as specified and directe by Engineer -in-Charge.

Supply only lugs of different size:-6 sqmm to 16 sqmm

25 sqmm to 35 sqmm

50 sqmm to 95 sqmm

120 sqmm to 150 sqmm

185 sqmm to 240 sqmm

300 sqmm to 400 sqmm

Supply only gland of different size:-6 sqmm to 16 sqmm

25 sqmm to 35 sqmm

50 sqmm to 95 sqmm

120 sqmm to 150 sqmm

185 sqmm to 240 sqmm

300 sqmm to 400 sqmm

Supply only twin core cable of 6 sqmm complete all as specified and directed

Supply only twin core cable of 10 sqmm complete all as specified and directed

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 cables.

Internal cleaning for dust/ spider web

Dressing and insulating of exposed parts of incoming/outgoing LT calbe end terminal joint3.5/4 core ofany capacity/type including reconnecting the same to circuit and marking of incoming/outgoing feeder detail on cable by using appropriate stencil and colour.

Welding /brazing for door/hinges/lock etc

M&L for streching of Aluminium conductor, steel reinforced on poles complete all as specified and directed by Engr-in-Charge Note:- rate of ACSR conductor deemed to be included in quoted rates.

M&L for streching of Galvanised steel wire 3.15 to 4mm dia on poles complete all as specified and directed by Engr-in-Charge Note:- rate of Galvanised steel wire conductor deemed to be included in quoted rates.

M&L for stay assemble 20mm dia complete with accessories as shown in electrical plate No 1 (loop type insulator, stay clamps, excavation and concrete measured separately) complete all as specified and directed by Engr-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 shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed by Engr-in-Charge.

Devi Engineeing (BID ID -3127120)

M/S Tanisha Traders (BID ID -3125098)

Rasam Engg Co. (BID ID -3124705)