Supply, Erection And Commissioning Of 11Kv Switch Yard With Required Equipment / Materials At Near Se ( E ) K Office And Chaitanya Garden-Rcc Pole - 9 Mtr Long, 145 Kg Wl ( Dwg No. Bescom / Gm / Qs&S / 02 Dtd 24.11.2018 ) As Per Is-785 Digging Of Pits 1.8 Mtr Depth For Errection Of 9 To 10 Mtr Long Steel / Rcc / Psc Supports As Per Approved Drawing. Ordinary Soil Providing Cement Conccrete To Poles And Guy Sets With Material And Labour Including Necessary Curing Etc., Complete ( Cost Does Not Include Excavation ) A ) Base Concrteing With Cc 1:4: 8 B ) Pole Based For 9Mtrs Square Pole ( 650X650x150mm ) B ) Pole Concreting With Cc 1:2:4 ( Without Coping ) A ) 9Mtrs Support ( 650X500x1700mm ) C ) Providing Coping For Pole With Cc 1:2:4 ( As Per Actuals ) A ) 150Mm Around Poles For A Height Of 300Mm For Rcc, Psc, Pcc Poles / Ibeam / Rail Steel Sections Erection Of Rcc / Psc Poles 9 To 10 Mtr Long But In A Pit Of 1.8 Mtr Depth Rcc Pole Clamp - Gi 11Kv, 400 Amps Double Break Gos As Per Is-9921 And Is-1977 Insulated Gos Operating Rods As Per Is-9921 And Is- 8 Spiral Earth Electrode For Gos Handle 9 Dp Sets ( 2 Pole Structure Kit ) As Per Is-1977 Dp Set Using 9 Mtr Rcc, 145Kg Wl / Pscc Pole 300Kg Wl - Gi With Necessary Clamps And Hardwares 10 H-Frame Set For Fixing 11Kv, 200 / 400 Amps Single / Double Break Gos- ( For Dp Structure For Providing New Gos For Sectionalisation ) -Gi With Required Hardwares. 11 Fixing Of Gos 12 9Kv, 5Ka Lightning Arrestor Polymeric Type With Ground Disconnector As Per Is-60099-4 13 Fixing Of 3 Nos Lightning Arrestors Including Wiring. 14 Guy Set Complete With No.15 Strain Insulator & Concreting Materials 15 Digging Of Pit For Guy Set In Ordinary Soil 16 Guy Concreting With Boulders, Mud And Sand Providing Cement Concrete 1:2:4 For Anchor Rod In Marshy / Black Cotton Soil 600X600x450mm 17 Fixing Of Guy Sets With Break Insulators Making Use Of 7 / 3.15 Mm ( 7 / 10 Swg ) Galvanised Steel Wire With Turn Buckle And Anchoring Arrangement As Per Approved Drawing. ( Excluding Excavation Of Pit ) 18 Caution / Danger Board 19 Fixing Danger Board / Name Plates 20 11Kv, 45 Kn Polymeric ( Disc ) Insulator 21 Strain Clamps, 3 Bolt Type For 70 / 90 Kn Disc Insulator 22 Supplying Of Rabit Acsr Stringing Of Conductor For Rabbit Acsr Binding Of Conductor On Each Insulator And Dead Ending On Strain Or Disc / Strain Insulator By Means Of Clamps. Supplying And Welding / Fixing Of Ms Angle Of Size 65X65x6mm, Hd Gi And Ismc 100X50x6mm C Section, Hdgi To Fix All Switch Yard Rcc Poles With A Rectangle Frame At Top And Bottom Of Poles Respectively To Strengthen The All 11 Kv Switchyard Poles With Clamps And Nut Bolts. Gi Nuts And Bolts Off Sizes Of Required Sizes Supplying And Fixing Of Class A ( Medium Duty ) Gi Pipe Of Wall Thickness Not Less Than 3.25Mm On Pole / Wall / Drain Crossing With Necessary Clamping Arrangements For Ug Cable Of 1.1 Kv 100Mm Providing And Fixing Chain Link Fencing Consisting Of 3 M Long 65 X 65 X 6 Mm M.S Angles With Top 50 Cm Bent At 30 Degree To Vertical Fixed At 2.5 M Intervals In C.C 1 : 3 : 6 Proportion By Volume Using 20 Mm Down Approved Clean, Hard, Graded Aggregate For 70 Cm Depth, Fixing 10 Gauge 50 X50 Mm Opening G.I Chain Link Mesh Upto 1.8 M Height Of Poles Using 8 Gauge Stretcher Wire At Top And Bottom And 30 X 30 X5 Mm M.S Angles With Bolts / Nuts / Washers ( 4 Bolts For Each Pole ) , Fixing 3 Rows Of 12 X 12 Gauge ( 4 Barbs At 7.5 Cm C / C ) G.I Barbed Wire For Top Bent Portion Of Poles, Including Cost Of All Materials, Machinery, Labour, Excavation Of Pit, Batching, Mixing, Laying, Tamping And Curing Of Concrete, Drilling Holes In Angles, Cleaning Angles, Applying 2 Coats Of Synthetic Enamel Paint Over A Coat Of Zinc Chromate Red Oxide Primer Paint To Angles Etc., Complete With Lead Upto 50 M And All Lifts. Earth Work In Surface Excavation For Releasing The Existing Cables Carefully From The Ground, Re-Routing The Cable, Levelling And Lowering The Ground Manually And Removing The Excavated Stuff To A Distance Not Exceeding 50Mtr And Lift Up To 1.5 Mtr, Excavated Surface Levelled And Neatly Dressed, Disposed Earth To Be Levelled Including Breaking Of Clods And Neatly Dressed As Per Specifications. ( 10*4*1 ) Cum In Ordinary Soil Earth Work Excavation In Ordinary Soil For Cable Trench Of 0.5 To 0.75 Mtr. Width And Depth Upto 1 Mtr Including Trial Pits, Depositing On Bank Upto A Lead Of 50 Mtr, Supplying And Displaying Necessary Danger Boards And Lighting, Using Sight Rails And Sign Boards At Every 100 Mtr Wherever Necessary As Directed ( 450*0.6*1 ) Cum Refilling The Cable Trenches With Selected Available Earth From Trench Excavation Including Watering, Consolidation In Layers Of 15 Cm. Thickness Including Depositing Of The Surplus Earth With A Lead Of 200 Mtr Ht Cable: Supplying And Laying Of High Tension 11Kv Cable, Dry Curing & Dry Cooling With True Triple Extrusion, Simultaneously Through A Single Common Head, 3 Core Under Ground Xlpe ( E ) Cable Having Stranded Compact Circular Aluminium Conductor, Screened Insulated, Insulation Screened With Extruded Semiconducting Compound In Combination With Copper Tape, Core Laid Up Extruded Inner Sheathed Of Gi Flat Strip Armoured And Overall Pvc Sheathed With Specified Is 7098 / 11 / 85 With Latest Amendments. 3Cx150sqmm Laying Of Ht Cable Of Size-3X300 To 3X500 Sqmm In Existing Trench / Gi Pipe / Stone Ware / Rcc Hume Pipe Using Wooden / Aluminum Rollers As Directed By The Site Incharge ( Cable-Department Supply: Approx 75Mtr ) Transporting Cable From Store To Work Spot Including Loading And Unloading - Ht Cable ( 3X300 To 3X500 Sqmm ) Supply Of Straight Through Jointing Kits Heat Shrinkable Type Suitable For Out Door Type 3Core 11Kv Xlpe Cable 3X300 / 3X 400 Sqmm Supply Of Cable Termination Kit ( Pot Head ) Outdoor Heat Shrinkable Type Suitable For Out Door Type 3Core 11Kv Xlpe Cable 3X150 / 3X 240 Sqmm 3X300 / 3X 400 Sqmm Cable Joint And Wiring ( For Ht Cable Only ) Heat Shrinkable Straight Through Joint 3X300 To 3X400 Sqmm Making And Fixing Pot Head For Ht Cable Only Heat Shrinkable Type 3X95 To 3X150 Sqmm 3X300 To 3X400 Sqmm Providing And Filling Sand In Excavated Trench To Cover Already Laid Ug Cable / Joints To A Depth Of 150Mm All-Round The Cable. 39 Supplying And Arranging Of Burnt Bricks Of 2Nd Class 230 X 110 X 60Mm 40 Route & Joint Indicating Stone With Ms Anchor Rod 41 Providing And Laying Site Mix / Ready Mixed Cement Concrete Of 1:2:4 Proportion For Switchyard Floringand Other Works Using 20 Mm And Down Size Granite Jelly And Clean Sieved Sand Laid In 15 Cm Thick Layers And Well Compacted Including Vibrating, Curing Etc., With All Lead And Lift, Smooth Finishing For Exposed Faces And With Necessary Centering And Form Work Etc., Complete. 42 Supply & Fixing Of Number Plates / Name Plates For Equipments With Pole Clamps Bolt & Nuts 44 Supply & Fixing Of Phase Plates 45 Supplying, Fixing, Wiring, Earth Electrode For Grounding Transformers, Dg Sets Etc. Using 40Mm Dia2.90Mm Thick Gi Pipe 2.5 Mtr Long Gi Pipe With Gi Funnel With Mesh And Suitable Size Reducer Fixed On The Top Of The Earth Electrode. The Funnel Should Be Enclosed In A Cc Chamber Of 400 X 400X 400 Mm With A Cast Iron Cover. The Earth Electrode Have Staggered Holesof 12Mm Dia And The Electrode Should Be Covered150mm All-Round With Alternate Layers Of Salt And Char Coal From The Bottom Of The Cc Chamber. The Connection From The Electrode Is To Be Established Through Gi Strip Using Gi Bolts And Nuts. Supplying And Running Of Gi / Copper Strips For Grounding Connections, Using Necessary Fixing Materials As Required. 25X3mm Gi Strip Miscellaneous And Unforeseen Items Such As Gi Pipe Support At Termination Point With Clamps, Nuts Bolts And Any Other Missing Items.
