TN-33/2025-26

Part-A

CONSTRUCTION OF 33/11 KV SUB STATION DURJANPURA UNDER S/D BHANWARGARH

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

9 Mtr /1.2m x 0.6m x 1.5m deep

12.8/12.6 Mtr/ 1.5mx1.5m x2.10 m deep

9 Mtr /1.2m x 0.6m x 1.5m deep

12.8/12.6 Mtr/ 1.5mx1.5m x2.10 m deep

Within 10 Kms.

Above 10 Km & up to 30 Km Add for each Km. or part thereof.

Within 10 Kms

Above 10 Kms & up to 30 Kms Add for each Km.of part thereof

Within 10 Kms

Above 10 Kms & up to 30 Kms Add for each Km.of part thereof

Within 10 Kms.

Above 10 Kms. & upto 30 Kms. Add for each Km.or part thereof.

Above 30 Kms. Add for each Kms or part thereof.

Lattice Structure

PCC pole 9 Mtr Long / ( 400 Kg)

PCC Pole 9 mtr long 400 kg 11Mtr long

8" x3/4 " with 7/8 SWG stay Wire

Providing and laying of cement contrete in radio 1:3:6 using 43 grade cement,river sand and 12 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 plates shuttering/farmer base.

Supplying & laying of Random Rubble Stone Boulder having weight not less then 20 Kgs

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

11 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.

Fixing of 33KV pin insulator with pin

33 KV G O switch WITH EB

Fixing of PG clamps of Dog /Racoon conductor

ACSR DOG

Earthing of line for all type of supports as per REC construction standards using Stay wire/GI wire with one pcs.of M.S.rod20mm dia each 3 meter long and driving into earth by mechanical means as per approved design.Drawing &specification.All material except MS rod,MS flat & stay wirewill be supplied by the contractor.If material is supplied by the contractor ,the payment will be made as per prevailing Discomstore issue rates.(In case of PCC poles earthing must be connected with earthwire already available on PCC pole at bottom)

SUPPLY OFF MS NUT BOLT

PART-B

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

Trimmimh of tree branches /plants and preparing route approchases for propossed line

9 Mtr /1.2m x 0.6m x 1.5m deep

12.8/12.6 Mtr/ 1.5mx1.5m x2.10 m deep

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

12.8/12.6 Mtr/ 1.5mx1.5m x2.10 m deep

Within 10 Kms

Within 10 Kms

Above 10 Kms & up to 30 Kms Add for each Km.of part thereof

Within 10 Kms

Above 10 Kms & up to 30 Kms Add for each Km.of part thereof

Within 10 Kms.

Above 10 Kms. & upto 30 Kms. Add for each Km.or part thereof.

Above 30 Kms. Add for each Kms or part thereof.

Lattice Structure

PCC pole 9 Mtr Long / ( 200 Kg)

PCC Pole 9 mtr long

6" x5/8 " with 7/8 SWG stay Wire

Providing and laying of cement contrete in radio 1:3:6 using 43 grade cement,river sand and 12 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 plates shuttering/farmer base.

Supplying & laying of Random Rubble Stone Boulder having weight not less then 20 Kgs

Fixing of all type of fabricated material on errected supports with nut & bolts as per approved design & drawin og S/S

Fixing of 11 KV disc insulator for 11 KV line ( each consiting of 1 nos dise and I set of H/W) on terminal point includiing fixing of hard ware and strips.

Fixing of 11 KV pin insulator with pin

ACSR RABBIT

supply of nuts & bolts

PART-C

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

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 rubbish plants from ground & marking of boundary with lime powder. (Including all lead & lifting)

9 Mtr/1.2mx0.6mx1.50 m deep

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.

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

25 mm thick with 12.5 mm thick nominal size aggregate.

75 mm thick with 20 mm thick nominal size aggregate.

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

Within 10 Kms.

Within 10 Kms.

Within 10 Kms.

Above 10 Kms. & upto 30 Kms. Add for each Km. or part thereof. (3x15km)

Within 10 Kms.

Above 10 Kms. & upto 30 Kms. Add for each Km. or part thereof. (3x15km)

Within 10 Kms.

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

Within 10 Kms.

Above 10Kms & upto 30 Kms Add for each Km or part thereof

Above 30 Kms & upto 50 Kms Add for each Km or part thereof

Above 50Kms, upto 70 Kms Add for each Km or part thereof ( 16.27X20 )

Within 10 KMs.

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

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

Above 50 Kms. and upto 70 km Add per each km,or part thereof

5 MVA POWER TRANSFORMER

5 MVA POWER TRANSFORMER

6X5/8 with 7/10 SWG stay wire

Providing and laying of cement concrete in ratio 1:3:6 using 43 grade cement ,river snad 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 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 errected supports with nut & bolts as per approved design & drawin og S/S

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

Fixing of 11 KV B&S/T&C type disc insulator for 11 KV lines (each unit consisting of 2 nos. disc & 1 set of H/W) on terminal point including fixing of hardware and strips.

Fixing of 11 KV pin Insulator with pin.

33 KV G O switch

11 KV G.O. switch

33KV gape fuse set

11 KV gape fuse set

25 and 40 KVA

Fixing of Danger Plate on suppors/structure

Fixing of PG clamps of Dog /Racoon conductor

Assembly, installation &commissioning of 11 KV Roaster switchs on erected structures with stting for accurate operation including fixing of allied accessories completed in all respect with post insulators and jumpering on both ends for connection with system . The nuts &bolts will be supplied by contractor for which payment will be made as per prevailing discom store issue rates.

ACSR DOG

Earthing of line for all type of supports as per REC construction standards using Stay wire/GI wire with one pcs.of M.S.rod20mm dia each 3 meter long and driving into earth by mechanical means as per approved design.Drawing &specification.All material except MS rod,MS flat & stay wirewill be supplied by the contractor.If material is supplied by the contractor ,the payment will be made as per prevailing Discomstore issue rates.(In case of PCC poles earthing must be connected with earthwire already available on PCC pole at bottom)

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 concreting the equipments with earthmesh. The work includes the welding of MS flat with equipments/structures and also with earth mesh The work also includes coating of MS flat joint with molten bitumen and covering joint with bitumen impregnated tape to protect from rust

Where drilling is required

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

Painting of exposed portion of MS flat /rod with tqo cost of red -oxide primer and two coats of green enamel paint including material

Earthing of new 33/11kv s/s with Bentonite compound including material

PCC Pole 9 Mtr Long

ACSR Dog/RABBIT

Supply stacking & spreading of stone boulders 40 mm mono size ( less vods 17%)

33 KV OCB

11 KV OCB/ KIOSK

Installation of metering point on 11 kv outgoing feeder at 33/11 kv S/S

11 KV CT (1 set of 3 Nos.) or PT set

On new surface.

On new works with two coats.

(a) Within 10 Kms.

(b) Above 10 Km upto 30 Km. Add for each Km. or part there off

(c) Above 30 Km. Add for each Km. or part there off

Transportation and Installation of HTTVM in the meter box and making connection from TTB to HTTVM by 2.5 Sq. mm flexible ISI mark PVC wire (the flexible wire of length 2 Mtr. for each HTTVM & TTB connection is to be supplied by the contractor).HTTVM shall be provided by Nigam from concern stores.

Supply of M S Nuts & Bolts