Tender For Repair / Maintenance Of Ht Overhead Lines And Ug Cable At Af Stn Suratgarh, suratgarh-Rajasthan

Tender For Repair / Maintenance Of Ht Overhead Lines And Ug Cable At Af Stn Suratgarh ; 1 Dismantling Existing Acsr Conductor Of Any Size / Type Form Pcc / Steel Poles Including Taking Down Ms Works Such As Cross Arms, Clamps, Hooks, Stay Etc From Overhead Line Complete All As Specified And Directed. 2 Taking Down Existing Old Cross Arms Of Ms Channel Or Angle Sections Etc Complete All As Specified And Directed. 3 Taking Down Old Unserviceable Insulators Any Type And Size From Poles Inlcuding For Reuse Or Removal Complete All As Specified And Directed. 4 Taking Out Old Unserviceable God Vertical / Horizontal Mounted Including Insulators And Operating Mechanism Complete All As Specified And Directed. 5 Taking Down / Removing Existing Steel Poles Ht / Lt For Shifting From Site Complete All As Specified And Directed.Note : Damaged Poles Shall Be Removed From Site As Per Direction Of Engineer-In-Charge. 6 Taking Down Existing Unserviceable Ht Cable Complete For Replacement All As Specified And Directed. 7 Excavation In Trenches Not Exc. 1.5 M Wide And Not Exc 1.5 Mtr Deep In Softloose Soil For Laying / Taking Up / Taking Down Of Cablesand Getting Out And Leveling Of Bottom Surface To Required Level Complete All As Specified And Directed. 8 Returning Filling In, Including Spreading, Leveling, Watering And Well Ramming Soil In Layers N.Exc 25 Cm Thick Complete All As Specified And Directed. 9 Removing Excavated Material ( I.E. Soil ) From Site To A Distance N. Exc 50 Mtrs Away And Depositing Where Directed At A Level N. Exc. 1.5 Mtr Above The Starting Point Complete All As Specified And Directed. 10 Material And Labour For River Bed Fine Sand In Trenches / Ducts 15 Cm Under Cable And 8 Cm Above The Cable For Cushioning / Protection To Cable Including Spreding, Levelling And Get Thick 18 Cm After Hand Punning Complete All As Specified And Directed. 11 Supply And Laying Precast In Reinforced Concrete Cable Covers Hvp, Type-1 Flat Of Size 300Mm X 180 Mm X 40 Mm For Ht Cable Complete All As Specified And Directed. 12 Supply, Laying And Testing Ht Cable Xlpe Insulated, Screened Pvc Bedded Galvanised Steel Strip Or Wire Armoured, Electric Power Cables ( Heavy Duty ) With Stranded Aluminium Conductor, 11000 Volts Grade ( Earthed ) Cross Sectional Area 120 Sqmm 3 Core, Laid In Trenches, Through Pipe In Road Crossing, Ducts, Fixed Along Poles Complete All As Specified And Directed. 13 Supply, Laying And Testing Ht Cable Xlpe Insulated, Screened Pvc Bedded Galvanised Steel Strip Or Wire Armoured, Electric Power Cables ( Heavy Duty ) With Stranded Aluminium Conductor, 11000 Volts Grade ( Earthed ) Cross Sectional Area 95 Sqmm 3 Core, Laid In Trenches, Through Pipe In Road Crossing, Ducts, Fixed Along Poles Complete All As Specified And Directed. 14 Supply, Laying And Testing Ht Cable Xlpe Insulated, Screened Pvc Bedded Galvanised Steel Strip Or Wire Armoured, Electric Power Cables ( Heavy Duty ) With Stranded Aluminium Conductor, 11000 Volts Grade ( Earthed ) Cross Sectional Area 300 Sqmm 3 Core, Laid In Trenches, Through Pipe In Road Crossing, Ducts, Fixed Along Poles Complete All As Specified And Directed. 15 Material And Labour For Heat Shrinkable Type End Termination Joint Kit Indoor Type Suitable For Xlpe Insulated Ht Cable 11000 Volts Grade Of Size 120 Sqmm To 185 Sqmm 3 Core Complete With Jointing Material And Acessories Alongwith Testing After Jointing Including Taking Out The Old Unserviceable Join Kit Complete All As Specified And Directed. 16 Material And Labour For Heat Shrinkable Type End Termination Joint Kit Outdoor Type Suitable For Xlpe Insulated Ht Cable 11000 Volts Grade Of Size 120 Sqmm To 185 Sqmm 3 Core Complete With Jointing Material And Acessories Alongwith Testing After Jointing Including Taking Out The Old Unserviceable Join Kit Complete All As Specified And Directed. 17 Material And Labour For Heat Shrinkable Through Joint Kit Suitable For Xlpe Insulated Ht Cable11000 Volts Grade Of Size 120 Sqmm To 185 Sqmm 3 Core Complete With Jointing Material And Acessories Alongwith Testing After Jointing Including Taking Out The Old Unserviceable Join Kit Complete All As Specified And Directed. 18 Excavation Of Road Cutting By Manuallly Including Making Good To Disturb Surface After The Completion Of Work With Pcc 1:2:4 Type B-2 On Top Not Less Than 150 Mm Thick Including Levelling And Cambering According To Existing Road Surface, Refilling, Watering, Ramming Etc Complete All As Specified And Directed. 19 Supply And Fixing For Galvanised Iron Tubing 80 Mm Dia Light Grade With All Fitting Laid Under Floor / Road Crossing Or In Trenches Or Fixed To Pole / Walls With Clamps As Required Including Sealing Of Pipe Ends With Approval Sealing Compound Etc Complete All As Specified And Directed. 20 Supply And Fixing Lightening Arrestors Expulsion Type Complete With All Fittings, Suitable For 33000 Volts Grade Transmission Class, Discharge Capacity 65 Ka Including Brackets, Clamps, Nuts Washer And Connecting To 4 Mm Dia Gi Earth Wire Complete All As Specified And Directed. 21 Supply And Fixing Lightening Arrestors Expulsion Type Complete With All Fittings, Suitable For 11000 Volts Grade Transmission Class, Discharge Capacity 65 Ka Including Brackets, Clamps, Nuts Washers And Connecting To 4 Mm Dia Gi Earth Wire Complete All As Specified And Directed. 22 Supply, Fixing, Testing And Commissioning In Replacement Air Break Isolating Switch Tripple Pole Mechnically Operated With Vertical / Horizontal Isolation, 12 Insulators Mounted On Steel Frame With Operating Mechanism Worked From Ground Level And Including Operating Rod Of 25 Mm Dia Medium Grade Gi Pipe And Locking Arragement Of Capacity 400 Amps 11 Kv With Drop Out Fuse Set Including Making All Incoming / Outgoing Connection Of Ht Cable And Overhead Conductor Using New Leads And Nuts, Bolts Etc And Painting Of Steel Work Withtwo Coats Of Aluminium Paint Over A Coat Of Red Oxide Primer Complete All As Specified And Directed. 23 Repairing / Servicing The Air Break Isolating Switch Ht 33 Kv 200 / 400 Amps By Replacing The Defective Major Spares Including Provn Of Minor Bolts Nuts Etc Complete All As Specified And Directed. 24 Supply Only 33 Kv Air Break Switch Spares All As Directed. 25 Male Contact / Moving Contact Blade 26 Female Contract / Fix Contact Jaw 27 Rotating Contactor Pipe 200A / 400A 28 Ms Jumper Carrier 29 Back Connector Plate 30 Petroleum Jelly 31 Repairing / Servicing The Air Brak Isolating Switch Ht 11 Kv 200 / 400 Amps By Replacing The Defective Major Spares Including Provn Of Minor Bolts Nuts Etc Complete All As Specified And Directed. 32 Supply Only 11 Kv Air Break Switch Spares All As Directed. 33 Male Contact / Moving Contact Blade 34 Female Contract / Fix Contact Jaw 35 Tinned Copper Flexible Jumper 200A / 400A 36 Ms Jumper Carrier 37 Back Connector Plate 38 Petroleum Jelly 39 Supply And Fixing Cable Route Indicator For Ht Ug Cable Of 11000 Volts Bolted With 40 X 6Mm Flat Iron Member Of Height 0.60M And 80Mm Dia Ci Plate, Embeded In Pcc 1:3:6, Type C-2 Of Size 20 Cm X 20 Cm X 30 Cm Block Complete All As Specified And Directed. 40 Material And Labour For For Danger Notice Plate Of 1.6 Mm Thick Mild Steel Sheet Vitreous, Enamelled White With Letters, Figures And Conventional Skull And Bones In Signal Red Colour And Fixed With Ms Clamps Made Of 25X3mm Ms Flat, Bolts And Nuts For Ht 25X20cm Size Complete All As Specified And Directed. 41 Supply, Stringing And Fixing Acsr Conductor Of Any Type / Size On Existing Poles Including Fixing To Insulators With Binding Wire Or Aluminium Taps Complete All As Specified And Directed. 42 Supply & Fixing 11000 Volts Grade Disc Type Insulator Porcelain Vitreous 145 Mm Height, 255 Mm Dia Ball And Socket Type White Or Brown Or Green With Tension Clamps Complete All As Specified And Directed. 43 Supply And Fixing Pin Type Porcelain Vitreous White Or Brown Or Green Insulator Including One Galvanized Mild Steel Spindle, Two Galvanised Iron Washers And One Galvanised Iron Nut, 150Mm Height, 150Mm Dia For 11000 Volts Grade Complete All As Specified And Directed. 44 Disconnecting The Bindings Of Loose Overhead Conductor Of Ht Lines From Insulators And Restringing The Same For Proper Sag And Rebinding With New Aluminium Binding Wires At Insulators, Making All Jumpers And Inter Connections Of Conductors At Cut Points As Well As Turnings Using Pg Clamps Of Suitable Size As Per Size Of Conductor For Any Type Of Conductor Including Restringing Of Continuous Gi Earth Wire, Complete All As Specified And As Directed By Engineer-In-Charge.Note :- ( I ) Trimming Of Tree Branches Upto 3 M All Around The Conductors Is Deemed To Be Included In The Rates Quoted. ( Ii ) Three Acsr Conductors And Two Gi Earth Wire Will Be Measured As One Unit Length For Payment. ( Iii ) Cost Of Pg Clamps, Aluminium Winding Wire And Eye Hook For Gi Earth Wire Are Included In The Rates Coated For Restringing. 45 Material And Labour For Painting Of Steel Tubular Pole 11.0 M Long, By Applying Two Coats Of Aluminium Paint After Scraping / Brushing And Cleaning The Rust On Pole And Cross Arms. Aluminium Painting Will Be Done On Pole Above 1.5 M Height From Ground Level And Balance 1.5 M From Ground Level Will Be Painted By Alternate Layer Of Red And White Enammelled Paint ( 30 Cms Each ) Pole No Will Be Written On Pole By Black Paint In Yellow Circle Of 150 Mm Dia Complete All As Specified And As Directed By Engineer-In-Charge. 46 Material And Labour Preparation Of Old Painted External Surfaces Of Ht 4 Pole Structures Consisting Of Ht 11 Mtr Steel Pole, Cross Arms, God Assy With Pipe, Do Fuse Assy, Clamps Etc., Of Any Description And Applying One Coat Of Aluminium Paint By Mannualy All As Directed. Note : This Rate Inclusive Of Painting All Minor Items Such As Clamps, Brackets, Nuts, Bolts And Washers Which Is Not Particularly Mentioned In The Structures & Each Job Will Be Measured And Paid. 47 Material And Labour For Earthing Complete With Copper Plate Earth Electrode 600X600x3.15Mm Thick Buried Directly In Ground ( Earth Pit Not Less Than 2.25 Meter Below Ground Level ) With Top Edge Of The Plate Not Less Than 1.5 Metre Below Normal Ground Level Connected To Copperstrip 20X3mm At Two Points By Means Of Bolts And Nut, Check Nut And Washers Including Charcoal Dust, Common Salt, Necessary Excavation In Hard / Dense Soil, Returning Filling In And Removal Of Surplus Soilto A Distance Up To 50Metres, Pcc Pit In 1:3:6 Type Ci ( Using 20Mm Grade Stone Aggregate ) Rcc 1:2:4 Type B-1 ( Using 20Mm Grade Stone Aggregate ) 50Mm Thick Pit Cover, Reinforced With 8Mm Dia Tmtbars 75Mm C / C, Both Ways Ms Handle 12Mm Dia, Gi Funnel, Wire Mesh And Gi Watering Pipe Of 20Mm Bore Gi ( Light Grade ) And Earth Leadprotection Pipe 40Mm Bore ( Light Grade ) , Complete All As Specified And As Directed By Engineer-In-Charge, Directed And Shown In Electrical Plate No 3 Of Ssr Part-I Including Testing Complete.Note : Gi Strip And Protection Pipes 40 Mm Dia Gi Light Grade Pipe Up To 7.5 Metre Is Included In Unit Rate And Beyond That The Same Will Be Measured Separately. 48 M&L For Earthing Complete With Galvanised Steel Plate Earth Electrode 600X600x6mm Thick Buried Directly In Ground ( Earth Pit Not Less Than 2.25 Meter Below Ground Level ) With Top Edge Of The Plate Not Less Than 1.5 Metre Below Normal Ground Level Connected To Gi Strip 32X6mm At Two Points By Means Of Bolts And Nut, Check Nut And Washers Including Charcoal Dust, Common Salt, Necessary Excavation In Hard / Dense Soil, Returning Filling In And Removal Of Surplus Soilto A Distance Up To 50Metres, Pcc Pit In 1:3:6 Type Ci ( Using 20Mm Grade Stone Aggregate ) Rcc 1:2:4 Type B-1 ( Using 20Mm Grade Stone Aggregate ) 50Mm Thick Pit Cover, Reinforced With 8Mm Dia Tmtbars 75Mm C / C, Both Ways Ms Handle 12Mm Dia, Gi Funnel, Wire Mesh And Gi Watering Pipe Of 20Mm Bore Gi ( Light Grade ) And Earth Leadprotection Pipe 40Mm Bore ( Light Grade ) , Complete All As Specified And As Directed By Engineer-In-Charge, Directed And Shown In Electrical Plate No 3 Of Ssr Part-I Including Testing Complete.Note : Gi Strip And Protection Pipes 40 Mm Dia Gi Light Grade Pipe Up To 7.5 Metre Is Included In Unit Rate And Beyond That The Same Will Be Measured Separately. 49 Taking Out The Existing Ht 5 Mva Avr Unit 11000 Volts Grade Of Make Yule Brentford Carefully By Dismantling All Incoming & Outgoing Elect / Mechnical Connections Reputed Work For Using Suitable Tools & Plants, Opening The Body Of Buck Booster / Avr Units Find Out The Defects And Servicing, Repair / Removing Incl Replacing The Defective Spare Parts And Re-Assembling Complete All As Specified And Directed. ( New Winding Will Be Measured And Paid Under Relevent Item Of This Schedule ) . The Job Involves The Following: ( A ) Disconnecting All Electrical / Mechnical Connection From Both Side Of Ht. ( B ) Opening The Body Of The Avr / Buck Booster Units Complete, Drain Out The Oil, Lift The Cover And Coil Assembly, Checking The Serveability State Of Spares Such As Moving Carbon Roller, Windings, Insulating Oil, Ht Elect Connections, Ht Bushings, Ht Brass Terminals, Tig & Tag Connectors, Chain Rack, Limit Switch, Bearings, Couplings, Motor, Mirco Processor Based Pcb Card, Ct / Pt Assy, Aux / Reverible Contactors, Winding / Oil Temp / Buchloz Relays Assy, Earthing Connections, Copper Strip, Etc. And Repair / Replace The Same Of Existing Model / Make And Making Fully Serviceable State Of Avr / Buck Booster Assy At Site Incl Testing As Per Oem Specifications Complete All As Specified And Directed. ( C ) Cleaning The Core Laminations Assembly By Oil Complete, Removign The Carbon Sediments / Dust In The Coil And Core Gently Without Making Any Damage To Coil And Core. ( D ) Re-Assembling All Dismantled Parts Including Provision Of New Gasket, Nut, Bolts, Refilling With Transformer Oil Including Electric / Mechnical Connection Testing And Commissioning Complete. 50 Supply Only Moving Carbon Rollers Of Existing Size And Make Suitable For 5 Mva Avr Unit 51 Supply And Fixing Tig & Tag Brass Connector Suitable For 5 Mva Avr Unit Complete All As Specified And Directed. 52 Supply And Fixing Chain Rack ( Double ) Including Bearing Complete All As Specified And Directed. 53 Supply And Fixing Limit Switch Suitable For 5 Mva Avr Unit Complete All As Specified And Directed. 54 Supply And Fixing Synchoronous Motor Suitable For 5 Mva Avr Unit Complete All As Specified And Directed. 55 Supply And Fixing Reversible Contactor 3 Pole 800 Amps Suitable For 5 Mva Avr Unit Complete All As Specified And Directed. 56 Supply And Fixing Buchloz Relay Assy Complete Suitable For 1600 Kva Avr Unit / Transformer Complete All As Specified And Directed. 57 Supply And Fixing Aux Contactor Suitable For 5 Mva Avr Unit Complete All As Specified And Directed. 58 Material And Labour For Filteration And Dehydration Of Transformer Oil By Dehydration Machine To Achieve The Die-Electric Strength / Insulation Value Upto 65 Kv / 40Kv ( Rms ) At Standard Gap Of Electrodes 2.5 Mm For One Minute In 5 Mva Capacity Of Avr Transformers 11 Kv Including Insulation Testing Of Oil With Help Of Suitable Equipments Before And After Dehydration Including Bdv Test Complete All As Specified And Directed.Note : ( I ) Contractor Will Have To Arrange The Dehydration Machine And Transfomer Oil Dielectric Strength Testing Equipment As Mentioned And Same Shall Be Deemed To Be Included In The Item Rate Quoted. ( Ii ) Test Result Of Transformer Oil Before And After Dehydration Is Required To Submit By Contractor Duly Signed By All Concerned. ( Iii ) The Contractor Shall Ensure That Hte Conservator Tanks Are Full To Its Level Before Commencement Of Dehydration Process. ( Iv ) Additional Quantity Of Transformer Oil If Any Required For Making The Oil Level Upto The Requirement In Transformer Shall Be Measred And Paid Separately As Supply And Filling But Is Cost Of Heating Shall Be Deemed To Be Included In The Rate Quoted For Above Item. 59 Supply And Filling Transformer Power Oil Meeting Iec 60296-2003-11, 3Rd Edition Standard Specification Astmd 1275B Test Requirements For Corrosive Sulpher Of Bdv Not Be Less Than 40 Kv At 2.5 Mm Gap For Reduced Level Of Transformer Due To Evaporation / Leakage / Losses Due To Dehydration In Ht 33 Kv Transformer / Ht 11 Kv Avr To Filling In Distribution Transformer Ht 33 / 11 Kv And 11 Kv Avr All As Specified And Directed. 60 Supply And Replacing Of Silica Gel Crystel Filled In The Breather Of Capacity Suitable For 5Mvaavr Transformer Complete All As Specified And Directed.

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	28-Dec-2023	Amendment	Other	04-01-2024
2	04-Jan-2024	Bid Auto Extn Corrigendum	Bid Auto Extn Corrigendum	11-01-2024

INR 500 /-

INR 40000.0 /-

INR 20 Lakhs /-

Name of Work: REPAIR/ MAINT OF HT OVERHEAD LINES AND UG CABLE AT AF STN SURATGARH

Sl. No.	Item Description
1	Dismantling existing ACSR conductor of any size/type form PCC/Steel poles including taking down MS works such as cross arms, clamps, hooks, stay etc from overhead line complete all as specified and directed.
2	Taking down existing old cross arms of MS channel or angle sections etc complete all as specified and directed.
3	Taking down old unserviceable insulators any type and size from poles inlcuding for reuse or removal complete all as specified and directed.
4	Taking out old unserviceable GOD vertical/horizontal mounted including insulators and operating mechanism complete all as specified and directed.
5	Taking down/removing existing steel poles HT/LT for shifting from site complete all as specified and directed. Note : Damaged poles shall be removed from site as per direction of Engineer-in-Charge.
6	Taking down existing unserviceable HT cable complete for replacement all as specified and directed.
7	Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in softloose soil for laying / taking up/ taking down of cablesand getting out and leveling of bottom surface to required level complete all as specified and directed.
8	Returning filling in, Including spreading, leveling, Watering and well ramming soil in layers n.exc 25 cm thick complete all as specified and directed.
9	Removing excavated material (i.e. soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point complete all as specified and directed.
10	Material and labour for river bed fine sand in trenches/ducts 15 cm under cable and 8 cm above the cable for cushioning/ protection to cable including spreding, levelling and get thick 18 cm after hand punning complete all as specified and directed.
11	Supply and laying precast in reinforced concrete cable covers HVP, type-1 flat of size 300mm x 180 mm x 40 mm for HT cable complete all as specified and directed.
12	Supply, laying and testing HT cable XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 11000 volts grade (earthed) cross sectional area 120 Sqmm 3 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles complete all as specified and directed.
13	Supply, laying and testing HT cable XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 11000 volts grade (earthed) cross sectional area 95 Sqmm 3 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles complete all as specified and directed.
14	Supply, laying and testing HT cable XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 11000 volts grade (earthed) cross sectional area 300 Sqmm 3 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles complete all as specified and directed.
15	Material and labour for heat shrinkable type end termination joint kit indoor type suitable for XLPE insulated HT cable 11000 volts grade of size 120 Sqmm to 185 Sqmm 3 core complete with jointing material and acessories alongwith testing after jointing including taking out the old unserviceable join kit complete all as specified and directed.
16	Material and labour for heat shrinkable type end termination joint kit outdoor type suitable for XLPE insulated HT cable 11000 volts grade of size 120 Sqmm to 185 Sqmm 3 core complete with jointing material and acessories alongwith testing after jointing including taking out the old unserviceable join kit complete all as specified and directed.
17	Material and labour for heat shrinkable through joint kit suitable for XLPE insulated Ht cable11000 volts grade of size 120 Sqmm to 185 Sqmm 3 core complete with jointing material and acessories alongwith testing after jointing including taking out the old unserviceable join kit complete all as specified and directed.
18	Excavation of road cutting by manuallly including making good to disturb surface after the completion of work with PCC 1:2:4 type B-2 on top not less than 150 mm thick including levelling and cambering according to existing road surface, refilling, watering, ramming etc complete all as specified and directed.
19	Supply and fixing for galvanised iron tubing 80 mm dia light grade with all fitting laid under floor/road crossing or in trenches or fixed to pole/walls with clamps as required including sealing of pipe ends with approval sealing compound etc complete all as specified and directed.
20	Supply and fixing lightening arrestors expulsion type complete with all fittings, suitable for 33000 volts grade transmission class, discharge capacity 65 KA including brackets, clamps, nuts washer and connecting to 4 mm dia GI earth wire complete all as specified and directed.
21	Supply and fixing lightening arrestors expulsion type complete with all fittings, suitable for 11000 volts grade transmission class, discharge capacity 65 KA including brackets, clamps, nuts washers and connecting to 4 mm dia GI earth wire complete all as specified and directed.
22	Supply, fixing, testing and commissioning in replacement air break isolating switch tripple pole mechnically operated with vertical/ horizontal isolation, 12 insulators mounted on steel frame with operating mechanism worked from ground level and including operating rod of 25 mm dia medium grade GI pipe and locking arragement of capacity 400 Amps 11 KV with drop out fuse set including making all incoming/outgoing connection of HT cable and overhead conductor using new leads and nuts, bolts etc and painting of steel work withtwo coats of aluminium paint over a coat of red oxide primer complete all as specified and directed.
23	Repairing/ servicing the Air Break isolating switch HT 33 KV 200/400 Amps by replacing the defective major spares including provn of minor bolts nuts etc complete all as specified and directed.
24	Supply only 33 KV Air break switch spares all as directed.
25	Male contact / moving contact blade
26	Female contract /fix contact jaw
27	Rotating contactor pipe 200A/400A
28	MS jumper carrier
29	Back connector plate
30	Petroleum Jelly
31	Repairing/ servicing the Air Brak isolating switch HT 11 KV 200/400 Amps by replacing the defective major spares including provn of minor bolts nuts etc complete all as specified and directed.
32	Supply only 11 KV Air break switch spares all as directed.
33	Male contact / moving contact blade
34	Female contract / fix contact jaw
35	Tinned copper flexible jumper 200A/400A
36	MS jumper carrier
37	Back connector plate
38	Petroleum Jelly
39	Supply and fixing cable route indicator for HT UG cable of 11000 volts bolted with 40 x 6mm flat iron member of height 0.60m and 80mm dia CI plate, embeded in PCC 1:3:6, type C-2 of size 20 cm x 20 cm x 30 cm block complete all as specified and directed.
40	Material and labour for for danger notice plate of 1.6 mm thick mild steel sheet vitreous, enamelled white with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps made of 25x3mm MS flat, bolts and nuts for HT 25x20cm size complete all as specified and directed.
41	Supply, stringing and fixing ACSR conductor of any type/size on existing poles including fixing to insulators with binding wire or aluminium taps complete all as specified and directed.
42	Supply & fixing 11000 volts grade disc type insulator porcelain vitreous 145 mm height, 255 mm dia ball and socket type white or brown or green with tension clamps complete all as specified and directed.
43	Supply and fixing pin type porcelain vitreous white or brown or green insulator including one galvanized mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150mm height, 150mm dia for 11000 volts grade complete all as specified and directed.
44	Disconnecting the bindings of loose overhead conductor of HT lines from insulators and restringing the same for proper sag and rebinding with new aluminium binding wires at insulators, making all jumpers and inter connections of conductors at cut points as well as turnings using PG clamps of suitable size as per size of conductor for any type of conductor including restringing of continuous GI earth wire,complete all as specified and as directed by Engineer-in-Charge. Note :- (i) Trimming of tree branches upto 3 m all around the conductors is deemed to be included in the rates quoted. (ii) Three ACSR conductors and two GI earth wire will be measured as one unit length for payment. (iii) Cost of PG clamps, aluminium winding wire and eye hook for GI earth wire are included in the rates coated for restringing.
45	Material and labour for painting of steel tubular pole 11.0 m long, by applying two coats of aluminium paint after scraping/brushing and cleaning the rust on pole and cross arms. Aluminium painting will be done on pole above 1.5 m height from ground level and balance 1.5 m from ground level will be painted by alternate layer of red and white enammelled paint ( 30 cms each) pole No will be written on pole by black paint in yellow circle of 150 mm dia complete all as specified and as directed by Engineer-in-Charge.
46	Material and labour preparation of old painted external surfaces of HT 4 pole structures consisting of HT 11 mtr steel pole, cross arms, GOD assy with pipe, DO fuse assy, clamps etc., of any description and applying one coat of aluminium paint by mannualy all as directed. Note : This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in the structures & each job will be measured and paid.
47	Material and labour for Earthing complete with copper plate earth electrode 600X600X3.15mm thick buried directly in ground (earth pit not less than 2.25 meter below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to copperstrip 20x3mm at two points by means of bolts and nut, check nut and washers including charcoal dust, common salt, necessary excavation in hard/dense soil, returning filling in and removal of surplus soilto a distance up to 50metres, PCC pit in 1:3:6 type CI (using 20mm grade stone aggregate) RCC 1:2:4 type B-1 (using 20mm grade stone aggregate ) 50mm thick pit cover, reinforced with 8mm dia TMTbars 75mm c/c, both ways MS handle 12mm dia, GI funnel, wire mesh and GI watering pipe of 20mm bore GI (light grade) and earth leadprotection pipe 40mm bore (light grade) ,complete all as specified and as directed by Engineer-in-Charge, directed and shown in electrical plate No 3 of SSR Part-I including testing complete. Note : GI strip and protection pipes 40 mm dia GI light grade pipe up to 7.5 metre is included in unit rate and beyond that the same will be measured separately.
48	M&L for Earthing complete with galvanised steel plate earth electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25 meter below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to GI strip 32x6mm at two points by means of bolts and nut, check nut and washers including charcoal dust, common salt, necessary excavation in hard/dense soil, returning filling in and removal of surplus soilto a distance up to 50metres, PCC pit in 1:3:6 type CI (using 20mm grade stone aggregate) RCC 1:2:4 type B-1 (using 20mm grade stone aggregate ) 50mm thick pit cover, reinforced with 8mm dia TMTbars 75mm c/c, both ways MS handle 12mm dia, GI funnel, wire mesh and GI watering pipe of 20mm bore GI (light grade) and earth leadprotection pipe 40mm bore (light grade) ,complete all as specified and as directed by Engineer-in-Charge, directed and shown in electrical plate No 3 of SSR Part-I including testing complete. Note : GI strip and protection pipes 40 mm dia GI light grade pipe up to 7.5 metre is included in unit rate and beyond that the same will be measured separately.
49	Taking out the existing HT 5 MVA AVR unit 11000 volts grade of make Yule Brentford carefully by dismantling all incoming & outgoing elect/ mechnical connections reputed work for using suitable tools & plants, opening the body of buck booster/ AVR units find out the defects and servicing, repair/ removing incl replacing the defective spare parts and re-assembling complete all as specified and directed. (New winding will be measured and paid under relevent item of this schedule). The job involves the following: (a) Disconnecting all electrical/ mechnical connection from both side of HT. (b)Opening the body of the AVR/buck booster units complete, drain out the oil, lift the cover and coil assembly, checking the serveability state of spares such as moving carbon roller, windings, insulating oil, HT elect connections, HT bushings, HT brass terminals, Tig & Tag connectors, chain rack, limit switch, bearings, couplings, motor, mirco processor based PCB card, CT/PT assy, Aux/Reverible contactors, winding/ oil temp/Buchloz relays assy, earthing connections, copper strip, etc. and repair/ replace the same of existing model/ make and making fully serviceable state of AVR/Buck booster assy at site incl testing as per OEM specifications complete all as specified and directed. (c) Cleaning the core laminations assembly by oil complete, removign the carbon sediments/ dust in the coil and core gently without making any damage to coil and core. (d) Re-assembling all dismantled parts including provision of new gasket, nut, bolts, refilling with transformer oil including electric/mechnical connection testing and commissioning complete.
50	Supply only moving carbon rollers of existing size and make suitable for 5 MVA AVR Unit
51	Supply and fixing Tig & Tag brass connector suitable for 5 MVA AVR Unit complete all as specified and directed.
52	Supply and fixing chain rack (double) including bearing complete all as specified and directed.
53	Supply and fixing limit switch suitable for 5 MVA AVR Unit complete all as specified and directed.
54	Supply and fixing synchoronous motor suitable for 5 MVA AVR Unit complete all as specified and directed.
55	Supply and fixing reversible contactor 3 pole 800 amps suitable for 5 MVA AVR Unit complete all as specified and directed.
56	Supply and fixing buchloz relay assy complete suitable for 1600 KVA AVR Unit/Transformer complete all as specified and directed.
57	Supply and fixing Aux contactor suitable for 5 MVA AVR unit complete all as specified and directed.
58	Material and labour for filteration and dehydration of transformer oil by dehydration machine to achieve the die-electric strength/ insulation value upto 65 KV/40KV (RMS) at standard gap of electrodes 2.5 mm for one minute in 5 MVA capacity of AVR transformers 11 KV including insulation testing of oil with help of suitable equipments before and after dehydration including BDV test complete all as specified and directed. Note : (i) Contractor will have to arrange the dehydration machine and transfomer oil dielectric strength testing equipment as mentioned and same shall be deemed to be included in the item rate quoted. (ii)Test result of transformer oil before and after dehydration is required to submit by contractor duly signed by all concerned. (iii)The contractor shall ensure that hte conservator tanks are full to its level before commencement of dehydration process. (iv)Additional quantity of transformer oil if any required for making the oil level upto the requirement in transformer shall be measred and paid separately as supply and filling but is cost of heating shall be deemed to be included in the rate quoted for above item.
59	Supply and filling transformer power oil meeting IEC 60296-2003-11, 3rd edition standard specification ASTMD 1275B test requirements for corrosive sulpher of BDV not be less than 40 KV at 2.5 mm gap for reduced level of transformer due to evaporation/ leakage/losses due to dehydration in HT 33 KV transformer/ HT 11 KV AVR to filling in distribution transformer HT 33/11 KV and 11 KV AVR all as specified and directed.
60	Supply and replacing of silica gel crystel filled in the breather of capacity suitable for 5MVAAVR transformer complete all as specified and directed.