TN-48/2025-26

Part-A

Grass cutting and surface dressing including removal of unwanted/rubbish plants with roots from open ground /yard and other Nigam premises with stacking of grass/plants at desired place near the ground.

Levelling of ground

Levelling of ground up to 30 cm.depth. with tractor and T&P required as per condition of ground including removal of rubbish plants from ground & marking of boundary with lime powder.(Including all lead & lifting)

Levelling of ground up to 30 cm to 90 cm depth with tractor and T & P required as per condition of ground including removal of rubbissh plant from ground & marking of boundry with lime powder(including all lead & lifting)

Excavation of pit in Hard rock (Where Drilling is required) to erect various supports and stay sets including stacking of excavated muck from the edge excavation/pit.

(A) Height of poles/R.S.Joist/M.S.Rail Size of Pit.

9 mtr /1.2 mx0.6Mx1.50 m deep

Earth work excavation and foundation of platform of tranformers and brakers incuding dressing of sides and ramming of bottoms. Liftup to 1.5 meter including taking out the excavated soil and depositing and refilling of jhin watering and ramming and disposal of wurplus excated soil as directed with in a lead of 50m.

Hard soil mixed with boulders

Prevoding and laying cement concret including compaction etc complire using stone aggregate 40mm nominal size(hand broken) in foundation plinth excluding the cost of shuttering using 1cement 5 sand to aggregate mix.

The rates are all lead of cement, lime, bllast, sand, surkhi and grit etc.at site of work.

For all concrete work coarse sand shall be used be no extra will be paid.

Concrete mix prepared by power driven mechenical mixer shall be used .

Under exceptional conditions, where mechenical mixer and vibrator are not used (with the approval of engineer incharge reduced by 3% for mechenical mixer and 2% for vibrator.

Thickness of the cement concrete should not exeed 100 mm.

Plaster on new surface on wall in cement sand mortor 1:6 including racking of joint etc. complete fine finish 25 mm thick.

The rates for complete work including racking of joints.curing ,grinding,mixing and finishing T & P and scaffolding material and cost of material with all lead and lift .

The rates cover protection of all places and thing of all dropping and splashes of mortar etc .

Cement concret flooring graded 1:2:4( 1- Cement: 2- Coarse:4- Graded stone aggregate) rounding of edges etc. but excluding cost of nosing of steps etc. complete.

25 mm thick with 12.5 mm thick nominal size aggregate.

75 mm thick with 20 mm thick nominal size aggregate.

The rates for all iteams including all from of work, laying, curing and finishing etc. The rates are for complete work at site inclusive of all leads.

The rates cover preparation and cleaing of all places

Masonry for foundation and plinth

Randdom rubble stone masonry for foundation & plinth in cement sand mortar 1:6 (1 cement : 6 sand) including labour charges.

Safe carriage of PCC poles including loading/un-loading.

a) 9 Mtr. Long-400 Kg/11 Mtr.PCC pole.

Within 10 Kms.

c) 9 Mtr.long 200 Kg. PCC pole

Within 10 Kms.

Safe carriage of steel (fabricated and un-fabricated) i.e M.S.Rails, R.S .Joists, M.S. Channels, M.S.Angles, M.S.Flat, G.I.Stay Sets, G.I.Stay Wire, G.I.Wire Nuts & Bolts etc. and ACSR Conductor including loading/unloading and stacking in Nigam stores / at work site.

Within 10 Kms.

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. (4.61*20)

Above 30 kms add for each kms or part thereof 2.86 x 70 = 200.2

Safe carriage of Insulator, hardware, cable, breakers, kiosk, pannels etc including loading unloading and stacking in Nigam store etc.

Within 10 Kms.

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. 5.57x 20

Above 30 kms add for each kms or part thereof 3.52*70

Safe Carriage of of 11/0.4 KV 3 phase distribution tranformer including loading/un-loading from store to site.

Within 10 Kms.

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. 6.78x 20

Above 30 kms add for each kms or part thereof 4.61*60

Safe carrigae of 33/11 KV Power Transformer

Within 10 Kms.

above 10 kms & upto 30kms add. For each km or part thereof b20*50.81

above 30 kms & upto 50kms add. For each km or part thereof b20*33.61

above 50kms add. For each km or part thereof 40*16.27

Safe carriage of breakers/kiosks etc. including loading /unloading and stacking in Nigam stores.

Within 10 Kms.

Above 10 Kms. and upto 30 Kms.Add per each km,or part thereof 11.52*20

Above 30 Kms. and upto 50 Kms.Add per each km,or part thereof 9.21*20

above 50kms add. For each km or part thereof 40*6.91

Safe loading of power/Distribution tarnsformer

(A) 33/11 KV power Transformer

safe unloading of power/distribution transformer

a) 33/11 KV power trasnfromer

ABOVE 3.15 MVA

Providing and laying of cement concret in ratio 1:3:6 using 43 grade cement, river sand and 12 mm to 20 mm graded blast crusher broken in pit / foundation according to the size / type of supports /stay set including compaction /curing for 21 days in steel plate shuttring /farmer base.

Supply and laying of randum rubble stone boulder stone having weight not less than 20 kgs.

Fixing of all type of fabricated material on erected support with nut & bolts as per approved design & drawing of sub-station.

Fixing of 11 KV B&S / T&C type disc insulator for 33 KV lines (each unit consisting of 3 nos. disc & 1 set of H/W) on terminal point including fixing of hardware and strips.

Fixing of 33 KV pin Insulator with pin.

Fixing of 11 KV pin Insulator with pin.

Assembly. Installation & commissioning of gang operated isolating switch on erected structure with setting for accurate operation including fixing of allied accessories completein all respect with post insulator and jumpering on both ends for connection with the system. The nuts and bolts will be supplied by the contractor for which payment will be made as per prevailing Discom store issue rates.

(A) G.O. switch without earthing blade.

33kv G.O.switch

11 KV G.O.switch.

Assembly and installation of Horn Gap fuse set (set of 3nos)on erected structure as per design, complete in all respectwith post insulator including jumpering on both ends for connection with the system. The nuts & bolts will be supplied by the contractor for which payment will be made as per prevailing Discom store issue rates.

33kv Horn Gap fuse set.

11kv Horn Gap fuse set.

Installation of lightening arrestors on erected structure /support (set of 3 nos) including connection with earth by wire /strip as required and jumpering etc. The nuts & boltswill be supplied by the contractor for which payment will be made as per prevailing Discom store issue rates,

(A)sub-station type

33 KV L.A. set

11 KV L.A. set

Installation testing as per Nigam's norms & commissioning of 11/0.4 KV distribution transformer on erected supports including fixing of base channels as per requirement jump ring of HV&LV side,crimping of lugs/clamping earth connection of body and new-trial of transformer with wire /strip( as already provided with earthing) complete in all respect. The PG clamps nuts & bolts will be supplied by the contractor for which payment will be made as per prevailing Discom store issue rate.

25 and 40 KVA.

Fixing of Danger Plate on suppors/structure

Fixing of PG clamp of Dog /Racoon Conductor

Earthing of 11/0.4 KV distribution transformer / substation with 3 PCS of MS rod 20 mm dia each 3 meter long and driving them into earth by mechanical means as per approved design. drawing & specification. the work includes flatting of top ends MS rod, drilling ahole of 9/16" dia. at flattened top and tighteing of M.S. flat 50x6mm(having 3 holes 2ends and 1 mm middle )with nuts and bolts with M.S. rod the end will be connected to equipments as under in sequence.

Mesh earthing for 33/11 KV sub station as per apporved map & design using MS flat 50x6mm/MS rad 20 mm dia including laying of flat/rod at the depth of 0.65 mtrs welding & jointing at joint ,structures & equpments etc as under.

Excavation of trench of 0.65 Mtrs.depth and 0.5 Mtr.width

Normal soil.

Hard Soil.

Ordinary rock ( where blasting is not required.)

Laying of MS flat/ MS rod in 0.65 mter deep excavated trench and welding of MS flat /rod continusaly with 100 mm overlaping for stranght joint ioncluding coating of MS flat joints with molten buitmen and covering joint with biutmen impregnated tape to protact from rust.

Shaping of MS flat for connecting the equipment with earth mesh. The work including the welding of MS flat with eq- uipments/structures and also with earth mesh . The work also including cotting of MS flat joint with molten biutmen imprag-ated tape to protect from rust.

Preparation of spikes made of M.S Rod of 20 mm dia and 3 Mtr.length as per design and requirment to be driven in earth by mechanical means and Providing & .fastening of suitable clampswith the M.S. Rod, connection of earth wire/stay wire/MS flat in clamp depending on type of soil:

Where drilling is required

Filling of trench with available excavated muck in layers of 20cm (Max.)consolidating each deposited layer by ramming & watering with lead up to 50 Mtr, and lift up to 1.5 Mtr.

Painting of exposed portation of MS flate/rod with two coats of red-oxide primer and two coats of green enammel paint, including material.

Earthing of new 33/11 KV S/S with bentonite compound (including material ) involving following activities.

Digging of 10.5 ft. deep pit of 4 ' dia ( approx 132 cu.ft)

Supply of 2" G.I pipe with cap(including fabrication of 30 holes in the periphery of pipe)

Making chamber for water pouring including cast iron manhole cover

Supply cost of 200 kg bentonite compound with making slurry

Supplu of black cotton soil approx 80 cu.ft.

Connecting electrode with Mesh Earthing

Laying of 1100 volt heavy duty armoured XLPE cable of aluminum coudctor of following size conforming to IS: 7098 (Pt-I) (latest amended) overhead service line from pole to meter terminals for release of new LT connections/replacement of damaged/obsolete service line (except agriculture one). The cable must be fixed on wall with clamps /hooks properly at a interval of one meter.

2 Core 2.5/ 4/ 6 sq. Mm

Erection of steel supports in the excavated pit in alignment after checking then same with plumb line as per approved design and drawing of 33/11KV Sub- station.The support should be grouted and muffed in cement concrete ratio 1:3:6 as per chapter -5 code No.5.7.The remaining portion of the pit will be back filled with soil.The charges for grouting & muffing will be paid by extra as per chapter code no 5.7 The nuts & bolts will be supplied by the contractor for which payment will be made as per prevailing Store issue rates.

Fabricate structure AB type

Fabricate structure AB-1 type

Isolator/CT structure

Erection of PCC poles in excavated pit in alignment after checking the same with plumb line as per approved design & drawing of 33/11kv sub-station.The pit should be back filled with the soil with proper ramming below 30cm ground level and then muffed above 15cm average ground level with cement concrete ratio1:3:6.The charges for muffing will be paid extra as per chapter code no 5.7 The nuts & bolts will be supplied by the contractor for which payment will be made at the prevailing store issue rates.

(B) IN RURAL AREA

PCC Poles 9 Mtr. Long

Laying / stringing of bus bar with ACSR Dog & jumper connection using tie rod ,33KV /11KV insulator strings,required hardware,P.G.clamps/T clamps etc.as per requirement including Y-connections at bus bar jumpering point as per the direction of engineer in-charge.

ACSR DOG/RABBIT

Supply, stacking & spreading of stone boulders 40 mm. Mono size.(Less voids 17%)

Erection of OCB/Kiosk/ VCB Complete with accessories including use of special tool and conducting all pre-commissioning test before energization filling oil etc complete in all respect with erection and grouting of structure (executing civil work ). The relays will be tested by Discom.

33 KV VCB/SF-6 breakers

11 KV VCB (Outdoor)

Laying, testing termination of control cable 1100 volts PVC insulated including supply and installation of ferrules to designate various cores of control cables by terminal Nos. of identification including utilization of cable gland. The control cable should be clearly arranged in trenches avoiding crossings including clamping of control cable at regular interval and providing identify tags.

12x2.5 Sq.mm.

Installation of metering points on 11 KV Out going feeder at 33/11 KV S/S.

The installation work to be carried out as per drawing/design, under the supervision of concerned Assistant Engineer

Mounting structure

The requisite steel members will be supplied by contractor including the hardware. Contractor shall joint/weld the members to form the mounting structure as per drawing. Necessary tools, welding, machines, lifting devices etc. shall be arranged by contractor.

Civil works

Erection of lattices in alignment including excavation and concreting of structure foundation including cement, sand and grit 20 mm size (crusher broken) having ratio 1:3:6 and grit 40 mm size for ratio 1:5:10 and curing for period as required (21 days). Area of concreting will be as per the drawing.

Metering Equipments:

The requisite metering equipments (CTPT set, meter,meter box & suitable conductors for jumpers), will be provided by the concerned Assistant Engineer in healthy condition at site. The cables from CTPT set to meter box laid down in 50 mm GI pipe with suitable bends & nipples, shall be provided by contractor alongwith the consumable items such as PVC tapes, petroleum jelly etc. The cable should be PVC multi strand copper 4 core 2.5/4 Sq. mm ISI marked and firm & tight connections shall be made by suitable connector e.g. at CTPT sets by using clamps and at meter/TTB by suitable lugs etc. The CTPT sets so installed shall be earthed by means of the MS Flat (size 50x6 mm) by joining it with the nearest earthing available at the sub-station. Requisite earthing material shall be made available by the contractor.

Meter:

Meters should be fixed firmly inside the tamper proof box, as per drawing. All the meter fixture will be provided by contractor including all consumables.

Meter Box

The meter box shall be provided by the concerned Assistant Engineer. However, hardware or any other items required to fix the meter inside the meter box will be provided by contractor. The meter box will be fixed firmly with sufficient strength at a place as per drawing. The test terminal block(TTB) link type shall be provided by contractor in the meter box.

Painting:

All surfaces interior and exterior of lattice structure shall be white aluminum painted.

Commissioning of Metering Equipments:

Installed meters inside the box and metering equipments duly mounted on the mounting structure will be powered up by connecting load in the presence of the concerned Assistant Engineer who will arrange the necessary shut down. The completion certificate shall be furnised by contractor.be filled accordingly. Since the work involves higher A.C. voltage level, the contractor shall take full care regarding safety norms, so as to avoid any accidental hazards.

Painting with priming coats or ready mixed red-oxide paint 2 coats of approved make on steel works after cleaning with wire brush / sand paper.(including cost of red oxide)

On new surface

Painting with aluminium paint of approved brand and manufacturer to give an even surface.(including cost aluminium paint)

On new works with two coats.

Supply of MS nuts & bolts

PART-B

Conducting route survey as per approved route map and pegging of route with tee off point section point & double pole locations.

Trimming of tree branches/plants and preparing route approchases for proposed line.

Excavation of pit in ordinary rock which does not require blasting / murrad (in jodhpur discom) to erect various supports and stay sets including stacking of excavated muck from the edge of excavation / pit.

(A) Height of poles/R.S.Joist/M.S.Rail Size of Pit.

9 Mtr/1.2mx0.6mx1.5 m deep

(B) Lattice Tower /Size of pit.

12.8/12.6 Mte/1.5mx1.5mx2.10m deep

(C)Stay set/Depth of pit

Excavation of pit in Hard rock (Where Drilling is required) to erect various supports and stay sets including stacking of excavated muck from the edge excavation/pit.

(A) Height of poles/R.S.Joist/M.S.Rail Size of Pit.

9 mtr /1.2 mx0.6Mx1.50 m deep

(B) Lattice Tower /Size of pit.

12.8/12.6 Mte/1.5mx1.5mx2.10m deep

(C)Stay set/Depth of pit

Safe carriage of PCC poles including loading/un-loading.

a) 9 Mtr. Long 400 Kg/11 mtr. PCC pole.

Within 10 Kms.

Safe carriage of steel (fabricated and un-fabricated) i.e M.S.Rails, R.S .Joists, M.S. Channels, M.S.Angles, M.S.Flat, G.I.Stay Sets, G.I.Stay Wire, G.I.Wire Nuts & Bolts etc. and ACSR Conductor including loading/unloading and stacking in Nigam stores / at work site.

Within 10 Kms.

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. (4.61*20)

Above 30 kms add for each kms or part thereof 2.86 x 70 = 200.2

Safe carriage of Insulator, hardware, cable etc. including loading unloading and stacking in Nigam store etc.

Within 10 Kms.

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. 5.30x 20

Above 30 Kms. Add for each Km. or part thereof. 3.52x 70

Safe carriage of fabricated lattice tower structures and sub-station structure type AB, Ab beams, Isolators structures etc. including loading /unloading and stacking at work site.

Within 10 Kms

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. 4.61x 20

Above 30 Kms. Add for each Km. or part thereof. 3.52x 70

Erection of all type steel supports in the excavaterd pit in aligment after checking the same with plumb line including fixing of cross arms and top hampers before erecting the supports should be grouted and muffed in cement concrete of ratio 1:3:6 as per item No 5.7 the remaining portion of the pit will be back filled with soil. The nuts &bolts will be provided by the contractor as per Nigam' s specification for which payment will be made at the prevailing store issue rates . the cost muffing and grouting will be paid extra

Lattice Structure.

Erection of PCC poles in excavated pit with fixing of brackets, cross arms & top hampers as required in alignment after checking the same with plumb line. The support is to be back filled with soil with proper ramming. The nuts & bolts are to be provided by the contractor as per Nigam's specification for which the payment will be made at the prevailing Discom Stores issue rates.

(B) IN RURAL AREA.

PCC Poles 9 Mtr.Long (400 Kg)

Erection &assembly of 2 Pole structures of steel supports or PCC poles in excavated pit in alignment after checking the same with plumb line.Including fixing of top bracing of M.S.Channels with pilot plates and clamps.The support is to be back filled with soil with proper ramming.The nuts &bolts are to be provided by the contractor as per Nigams specfication for which the payment will be made at the prevailing Discom store issue rates.

PCC Poles 9 Mtr. Long(400 Kg.)/11Mtr.long

Erection & fixing of G. I. Stay sets with anchor plates in excavated pit in required position and back filling with soil with proper ramming. The work includes fixing of stay clamps. Stay Insulator with stay wire at both ends with proper tension. Size of stay set/stay wire.

8'x3/4" with 7/8 SWG stay wire

Providing and laying of cement concrete in ratio 1:3:6 using 43 grade cement,river sand and 12 mm to 20 mm graded blast crusher broken in pit/foundation according to the size/type of supports/stay set including compaction/curing for 21days in steel plates shuttering /farmer base.

Supplying and laying of randum rubble stone boulder having weight not less than 20 kgs.

Fixing of all type of fabricated material on erected support with nut & bolts as per approved design & drawing of sub-station.

33 KV line

Fixing of 11 KV( B&S Type) disc insulator for 33 KV lines (each unit consisting of 3 nos. disc & 1 set of H/W) on terminal point including fixing of hardware and strips.(Polymer Type).

Fixing of 33 KV pin Insulator with pin.

Assembly, Installation & commissioning of gang operated isolating switch on erected structure with setting for accurate operation including fixing of allied accessories complete in all respect with post insulator and jumpering on both ends for connection with the system. The nuts & bolts will be supplied by the contractor for which payment will be made as per prevailing Discom store issue rates.

(B) G.O.Switch without earthign blade

33 KV G.O.switch

Fixing of PG clamps of Dog /Racoon conductor

Laying, jointing, stringing, tensioning and clamping of conductor with proper sag as directed, using bolted type hardware including binding on pin insulators, jumpering on section points with binding on pin insulators, jumpering on section points with binding wire/ P.G. clamps. Aluminum jointing sleeves will be used for jointing the conductor. The line must stand at proper voltage on charging. The contractor will be provide P. G. clamps for which payment will be made as per prevailing Discom issue rate.

(B) IN RURAL AREA.

ACSR DOG.

Laying, jointing, stringing, tensioning and clamping of G.I.Earth wire continuously on single/double pole by using earth clamps/nuts & bolts with washers and earth reel etc. including proper binding at each end. The nuts and bolts will be supplied by the contractor for which payment will be made as per prevailing Discom, store issue rates.

(B) IN RURAL AREA

G.I.Earth wire 6 SWG

Earthing of line for all type of support as per REC construction standards using stay wire / GI wire with one pcs MS rod 20 mm dia each 3 meter long and driving into earth by mechinical means as per approved design. Drawing & specification. alll material expect MS Rod, MS Flat & Stay wire will be supplied by the contracotr, the payment will be made as per priviling Discom issue rate. ( In case of PCC poles earthing must be connected with earth wire already available on PCC pole at bottom).

Painting with priming coats or ready mixed red-oxide paint 2 coats of approved make on steel works after cleaning with wirw brush/sand paper. (including cost of Red oxide)

On new surface.

Painting with alluminium paint of approved brand and manufacturer as per given an even surface.

On new works with two coast.

Fabrication of steel structures of M.S angle ,M.S.channel & M.S.Flat including cutting ,drilling and continunous welding joint as per design and drawing.

33 KV D/C Lattice Structures (42' height)(508.06 Kg)

Supply of MS nuts & bolts

PART-C

Conducting route survey as per approved Route map and pegging of route with tee off point section point & double pole locations.

Trimming of tree branches/plants and preparing route approaches for proposed line.

Excavation of pit in ordinary rock which does not require blasting / murrad (in jodhpur discom) to erect various supports and stay sets including stacking of excavated muck from the edge of excavation / pit.

9 Mtr/1.2mx0.6mx1.5 m deep

(B) Lattice Tower /Size of pit.

12.8/12.6 Mte/1.5mx1.5mx2.10m deep

(C)Stay set/Depth of pit

Excavation of pit in Hard rock (Where Drilling is required) to erect various supports and stay sets including stacking of excavated muck from the edge excavation/pit.

9 Mtr/1.2mx0.6mx1.5 m deep

(B) Lattice Tower /Size of pit.

11.4/10.8 Mtr/1.5mx1.5mx1.80m deep

© Stay Set/Depth of pit

Safe carriage of steel (fabricated and un-fabricated) i.e M.S.Rails, R.S .Joists, M.S. Channels, M.S.Angles, M.S.Flat, G.I.Stay Sets, G.I.Stay Wire, G.I.Wire Nuts & Bolts etc. and ACSR Conductor including loading/unloading and stacking in Nigam stores / at work site.

Within 10 Kms.

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. 4.61x 20

Above 30 Kms. Add for each Km. or part thereof. 2.86x 70

Safe carriage of Insulator, hardware, cable etc. including loading unloading and stacking in Nigam store etc.

Within 10 Kms.

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. 5.30x 20

Above 30 Kms. Add for each Km. or part thereof. 3.52x 70

Safe carriage of fabricated lattice tower structures and sub-station structure type AB, Ab beams, Isolators structures etc. including loading /unloading and stacking at work site.

Within 10 Kms

Above 10 Kms. & up to 30 Kms. Add for each Km. or part thereof. 4.61x 20

Above 30 Kms. Add for each Km. or part thereof. 3.52x 50

Erection of all type steel supports in the excavaterd pit in aligment after checking the same with plumb line including fixing of cross arms and top hampers before erecting the supports should be grouted and muffed in cement concrete of ratio 1:3:6 as per item No 5.7 the remaining portion of the pit will be back filled with soil. The nuts &bolts will be provided by the contractor as per Nigam' s specification for which payment will be made at the prevailing store issue rates . the cost muffing and grouting will be paid extra

Lattice Structure.

Erection of PCC poles in excavated pit with fixing of brackets,cross arms & top hampers as required in alignment after checking the same with plumb line. The support is to be back filled with soil with proper ramming. The nuts & bolts are to be provided by the contractor as per Nigam's specification for which the payment will be made at the prevailing Discom store issue rates.

(B) IN RURAL AREA

PCC Poles 9 Mtr. Long(200Kg.)

Erection &assembly of 2 Pole structures of steel supports or PCC poles in excavated pit in alignment after checking the same with plumb line.Including fixing of top bracing of M.S.Channels with pilot plates and clamps.The support is to be back filled with soil with proper ramming.The nuts &bolts are to be provided by the contractor as per Nigams specfication for which the payment will be made at the prevailing Discom store issue rates.

PCC Poles 9 Mtr. Long(200 Kg.)

Erection & fixing of G.I.Stay sets with anchor plates in excavated pit in required position and back filling with soil with proper ramming. The work includes fixing of stay clamps Stay Insulator with stay wire at both ends with proper tension. Size of stay set/stay wire.

6'x5/8" with 7/10 SWG stay wire

Providing and laying of cement concrete in ratio 1:3:6 using 43 grade cement,river sand and 12 mm to 20 mm graded blast crusher broken in pit/foundation according to the size/type of supports/stay set including compaction/curing for 21days in steel plates shuttering /farmer base.

Supply and laying of randum rubble stone boulder stone having weight not less than 20 kgs.

Fixing of all type of fabricated material on erected support with nuts and bolts as per approved design and drawing of sub-station.

Fixing and assembly of disc point channel pair with pilot plates top hampers & clamps on erected single pole structure as per design. The nuts & bolts are to be provided by the contractor as per Nigam specification for which payment will be made as per prevailing Discom store issue rates

11 KV line

Fixing of 11 KV B&S & T&C type disc insulator for 11 KV lines (each unit consisting of 1 nos. disc & 1 set of H/W) on terminal point including fixing of hardware and strips.

Fixing of 11 KV pin Insulator with pin.

Assembly. Installation & commissioning of gang operated isolating switch on erected structure with setting for accurate operation including fixing of allied accessories completein all respect with post insulator and jumpering on both ends for connection with the system. The nuts and bolts will be supplied by the contractor for which payment will be made as per prevailing Discom store issue rates.

(A) G.O. switch without earthing blade.

11 KV G.O.switch.

Fixing of PG clamp of Dog /Racoon Conductor

Laying, jointing, stringing, tensioning and clamping of conductor with proper sage as directed, using bolted type hardware including binding on pin insulators, jumpering on section points with binding on pin insulators, jumpering on section points with binding wire/ P.G. clamps. Aluminum jointing sleeves will be used for jointing the conductor. The line must stand at proper voltage on charging. The contractor will be provide P.G.clamps for which payment will be made as per prevailing Discom issue rate.

(B) IN RURAL AREA

ACSR RABBIT

Earthing of line for all type of support as per REC construction standards using stay wire / GI wire with one pcs MS rod 20 mm dia each 3 meter long and driving into earth by mechinical means as per approved design. Drawing & specification. alll material expect MS Rod, MS Flat & Stay wire will be supplied by the contracotr, the payment will be made as per priviling Discom issue rate. ( In case of PCC poles earthing must be connected with earth wire already available on PCC pole at bottom).

Painting with priming coats or ready mixed red-oxide paint 2 coats of approved make on steel works after cleaning with wirw brush/sand paper. (including cost of Red oxide)

On new surface.

Painting with alluminium paint of approved brand and manufacturer as per given an even surface.

On new works with two coast.

Fabrication of steel structures of M.S angle ,M.S.channel & M.S.Flat including cutting ,drilling and continunous welding joint as per design and drawing.

33 KV D/C Lattice Structures (42' height)(508.06 Kg)

Supply of MS Nuts & Bolts.

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