REPAIR AND MAINT GANTRIES AND LIGHTNING CONDUCTOR AND CERTAIN WORKS AT TECH AREA AT AF STN UTARLAI

Amount

M&L Checking of Earth Resistance of Chemical / conventional Earthing to maintaining the Register here-in-after.approximate 750 Nos location all as directed by engineer incharge NOTE :- (a) Contractor will Check Earth Resistance Every Day( Minimum 25 Nos per day) and will be recorded in Register, and signature by user and register 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, onlyWater 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) - Rs. 600.00/Day (vi) Absent of Helper/Mazdoor (for One) - Rs. 400.00/Day

M&L Repairing 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 Cement Concrete 1:2:4 Type B1 of 350x350x50mm in size 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 B1of size 350x350x50mm, reinforced both ways, complete all as specified and as directed.

M&L repairs Cement Concrete 1:2:4 ) type B1provided Around Earthing Pit as per existing size of PCC with fair finished Concrete Surfaces including necessary Formwork and Earth Work as required/ordered at Site including dismantling PCC, complete all as specified and as directed.

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

M&L Taking out loose/displaced Serviceable Aluminium Strip/ GI Strip of any size and any description with complete all as specified and as directed. .

Fixing only aluminium strip 25X 3.mm with new saddles screws etc for roof conductor /down conductor upto test point above ground level by the serviceable strip obtain from above item No. 06 complete all as directed .NOTE : All Joints should be joined by Brazing / by using of nuts and bolts

Fixing only GI strip 32x6 mm upto test point above ground level serviceable strip with the brazing at the joint complete all as directed . NOTE : All Joints should be joined by Brazing / by using of nuts and bolts

S&F repairs Aluminium Strip 25 x3 mm with Saddles and fixing Screws 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 / by using of nuts and bolts

S&F repairs Copper Strip 20x3.mm with Saddles 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 / by using of nuts and bolts

S&F repairs Galvanised Iron Strip 32x6mm with Saddles 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 / by using of nuts and bolts

S&F 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 Test Point Terminal Block made of Gun Metal or Phosphorus Bronze size 75x75x 25mm, 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 repair replacement Earthing funnel of 20 mm dia with wire -mesh all as specified as directed

M&L inrepair replacement for insulator(saddle) porcelain for carrying earthing strip

S&F repairs 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 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 including taking down unserviceable Air Termination, complete all as specified and as directed.

Taking down and re-fixing-in-repairs for existing Air Termination rod Single Pointed Aluminium Rod any size dia and 300mm long with Galvanised Steel Tubing 40mm bore (dia), 1.50 Metre long, light grade including provision of Cement Concrete 1:2:4 (20mm graded stone aggregate) Block 300x300x300mm and necessary Fixing Arrangement at Roof, complete all as specified and as directed. NOTE : If threaded of the GI Tubing is damaged then Contractor will be responsible for cutting of thread for fixing the GI Tubing.

S&F earthing pit identifier / marker for lightening arrester made of MS plate 6 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. 18 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.18 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. 18 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 Chemical earthing complete with plate 90x60cmx5mm thick copper plate electrode buried direct in ground vertically not less than 3.5 mtrs deep below ground level with top edge of the plate not less than 2.10 mtrs deep below ground level earth pit size should be 1600mmx1600mmx3500mm with connected to copper strip of size 50x6 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 any type of strata ) and providing alternate compacted layer of 100mm each of charcoal , common salt , magnesium sulphate and all around the plate in continuous layers upto 1.80m height from bottom and below 1.70 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 20 mm dia and 65 mm dia HDPE pipe with pressure 4 kg/cm2 for earth strip protection up to 7.5 mtr , PCC type C1 chamber , cast iron chamber frame & cast iron pit cover , heavy duty funnel all as directed . Copy of drg attached. Note:-(i) Copper strip 50X6 mm including HDPE pipe 65mm 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. (ii) Strip to plate should be fixed with 02 Nos brass nut bolt & brazing.

M & L Earthing complete with copper earth electrode 60×60cm ×3.15mm 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 type C1 chamber , cast iron chamber frame & cast iron pit cover , heavy duty funnel all as directed , GI Pipe 15 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.

Earthing complete with G I earth plate electrode 600 mm x 600 mm x 6 mm burried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to G I earth strip 32 x 6 mm size by means of brass bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to main switch board or any other electrical equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of soil, 15 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC type C1 chamber , cast iron chamber frame & cast iron pit cover , heavy duty funnel all as directed . Note: The unit rate includes earth strip and protection pipe upto (maximum 7.5 metre from earth plate) earth point/test point.

S&F in replacement of 15mm bore galvanized steel water tubing medium grade with & including all fittings and fixed complete to walls and ceilings or laid in floors / trenches complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 26 above but 20 mm dia bore.

S&F in replacement gun metal globe or gate valve 20mm bore with iron wheel head, screwed both ends for iron pipes complete all as specified and directed by Engineer-in-charge.

S&F in replacement gun metal globe or gate valve 15 mm bore with iron wheel head, screwed both ends for iron pipes complete all as specified and directed by Engineer-in-charge.

Excavation in trenches not exceeding 1.5m wide and one exceeding 1.0 sq m on plan and not exceeding 1.5m depth and getting out soft soil.

Returning filling in including spreading leveling watering and well ramming in layer not exceeding 25 cm as in soil all as specified and directed.

Removing excavated material not exceeding 50 m and depostingwhere directed at a level not exceeding 1.5 m above the starting point.

Inspection, periodical check and servicing of EOT cranes 02 Ton (14 Nos), 05 Ton (02 Nos) and HOT cranes (4 Nos) inside the Tech Area during servicing of all the moving parts by lubricating them with suitable lubricants, cleaning of external and internal surfaces and refixing and tightening at existing places.Complete all as directed by Engineer-in-Charge.

Maintenance of installed EOT cranes in reliable, safe and efficient operation condition by carry out planned maintenance of EOT cranes inside the Tech Area by rectifying the defects by replacing the defective parts complete all as directed by Engineer-in-Charge. Note: Required spares for maintenance shall be measured and paid seperately under respective schedule of items as under. Cost of any minor spares required other than specified here in below shall be deemed to have been included in the rate quoted by contractor.

EOT 2 Ton Capacity

EOT 5 Ton Capacity

HOT 2 Ton Capacity

Supply in replacement of wheel bearing for EOT cranes (LT) upto 2.0Ton capacity Make: NBC/SKF

Supply in replacement of wheel bearing for EOT cranes (LT) upto 5.0 Ton capacity Make: NBC/SKF

Supply in replacement of wheel bearing for EOT cranes (CT) upto 2.0 Ton capacity Make: NBC/SKF

Supply in replacement of wheel bearing for EOT cranes (CT) upto 5.0 Ton capacity Make: NBC/SKF

Supply in replacement of carbon bushes for hoist creep motor as per the existing design, suitable for EOT crane upto 5 tonne capacity of existing make

Supply in replacement of MS coupling bolts & nuts as per the existing design and size as directed.

Supply in replacement of steel wire rope 10mm dia for EOT crane existing make

Supply in replacement of steel wire rope 12mm dia for EOT crane existing make

Supply in refilling of grease including cleaning of old grease complete all as specified and directed.

Supply in filling of gear oil SP 320 for top up upto to required level or in replacement of U/s oil complete all as specified and directed.

Supply in replacement of gear wheel shaft for crane upto 2.0 Ton capacity, taking down, servicing of gear box, greasing etc and refixing of crane with proper alignment etc, including testing on completion, complete all as directed by Engineer-in-Charge.

Supply in replacement of gear wheel shaft for crane upto 5.0 Ton capacity, taking down, servicing of gear box, greasing etc and refixing of crane with proper alignment etc, including testing on completion, complete all as directed by Engineer-in-Charge.

Taking down old unsv gears, pinion, warm gear etc and Supply and fixing new gears, pinion, warm gear, oil seals, packings etc of the cranes suitable for 2 Ton capacity including all other accessories, fixtures, nut, bolts & washers as required for fixing gears, gear oil (Gear oil 320) complete all as specified and directed. (Note :- Gear oil will be measured and paid for seperately under relevent item of BOQ.

Supply in replacement of brake shoe suitable for 2 Ton capacity EOT as per existing make, model and sizes complete all as specified and directed. Note :- All brake shoe of complete 2 Ton EOT will be changed in this item

Supply in replacement of brake shoe suitable for 5 Ton capacity EOT as per existing make, model and sizes complete all as specified and directed. Note :- All brake shoe of complete 5 Ton EOT will be changed in this item

Supply in filling of Transformer oil for top up in hydraulic brakes of EOTs complete all as specified and directed.

Supply in replacement of padestal including padestal bearing of size 32mm complete all as specified and directed.

Supply in replacement of padestal including padestal bearing of size 35mm complete all as specified and directed.

S& F in replacement of power contactor of capacity 25 Amp, 3 pole suitable for EOT crane 2 Tonne capacity.

S& F in replacement of power contactor of capacity 40 Amp, 3 pole suitable for EOT crane 5Tonne capacity.

S& F in replacement of thermal over load relay upto 14.5 Amp capacity.

S& F in replacement of DSL collectors of 16 Amp capacity for EOT cranes of existing make

S& F in replacement of DSL collectors of 32 Amp capacity for EOT cranes of existing make

S& F in replacement of HRC fuses of 6-15 Amp capacity for EOT cranes. Make: Siemens/L&T/Schneider

S& F in replacement of PVC sheathed multistranded flexible copper cable of 3 core 4.0 sqmm 1100 volt grade for EOT crane.

S& F in replacement of PVC sheathed multistranded flexible copper cable of 3 core 6.0 sqmm 1100 volt grade for EOT crane.

S& F in replacement of PVC sheathed multistranded flexible copper cable of 3 core 10.0 sqmm 1100 volt grade for EOT crane.

S & F replacement of electrical pendent push buttons with NO/NC contacts elements for EOT cranes of any capacity

M&L for testing of alignment of EOT crane tracks (rails) both sides by putting / adding additional material (filling) by gas cutting & welding the same and making them smooth by grinding for smooth functioning of crane complete all as specified and directed.

M&L for rectification of oil leaking from LT gear box of EOT crane by replacing spares such as oil seals etc for EOT crane, complete all as specified.

M&L for dismantling motors upto 1.5 KW capacity from EOT crane taking down and carry to workshop, rewinding with existing guage of super enamelled copper winding wire of superior quality with proper insulation and bringing back and refixing on crane with proper alignment with gear box etc, including testing on completion, complete all as directed by Engineer-in-Charge.

Description all as per serial item No. 26 here in before but for motors above 2KW to 3.5KW capacity, complete all as directed by Engineer-in-Charge

M&L for dismantling electric magnetic brake coil from crane of any capacity, taking down and carry to work shop, rewinding with existing guage of super enamelled copper winding wire of superior quality with proper insulation and bringing back and refixing on crane with proper alignment with gear box etc, including testing on completion, complete all as directed by Engineer-in-Charge.

S& F in replacement of limit switch for EOT cranes of any type capacity and existing make complete all as specified and directed.

S & F Iron cable carrier (Rollers) complete all as specified and directed.

S&F remote control unit plastic body suitable for 2 Ton EOT as per existing make and model complete all as specified and directed.

S&F remote control unit Cast iron body suitable for 2 Ton EOT as per existing make and model complete all as specified and directed.

S & F in replacement of single phase preventor as per existing make and model complete all as specified and directed.

S & F in replacement of phase sequence corrector as per existing make and model complete all as specified and directed.

Carrying out load test for each crane once in eleven month on EOT 02 Ton / 05 Ton and HOT cranes inside the Tech Area under 100% load capacity of cranes on hoisting, long travel and cross travel for checking the performance including deflection test with necessary manpower /instruments/necessary internal transportation upto required cranes, complete all as directed by Engineer-in-Charge as under :- Note:(i) Load will be provided at site by the User (Air Force) as to ensure smooth/safe and efficient operation.

EOT 2 Ton Capacity

EOT 5 Ton Capacity

HOT 2 Ton Capacity

Painting of EOT 02 Ton /05 Ton and HOT crane complete equipments (Motor ,Span & connected items) with proper removal of rust and old paint as per directed by Engineer in charge.

M/S TANUSHREE CONSTRUCTION COMPANY (BID ID -3473451)