Construction of 33 KV Sub Station for Mohangarh, Erection of 33 KV line 6.2 KM Single Circuit for Mohangarh GSS and Erection of 11 KV line 3.4 KM for Interconnection for Mohangarh GSS under Sub Division Anandpur Kalu under Pali Circle on CLRC 2025

Levelling of ground

PART 'A" Construction of New 33/11 KV Sub Station at Mohangarh under O&M, Sub-Division AP Kalu

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

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

Earth work excavation and foundation of platfrom of transformers and brakers including dressing of sides and ramming of bottoms .Liftup to 1.5 Meter including taking out the excavated soil and depositing and refilling of jhiri, watering and ramming and disposal of surplus excavated soil as directed with in a lead of 50 Meter.

Plaster on new surface on walls in cement ,sand mortar 1:6 including racking of joint etc. complete fine finsh 25 mm thick.

75 mm thickwith 20 mm thick nominal size aggregate

Masonry for foundation and plinth

Safe carriage of PCC poles including loading / un-loading

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

With in 10 KM

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

a) 9 Mtr. Long-200 Kg /11 Mtr. PCC pole

With in 10 KM

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

Safe carriage of steel( fabricated and unfabricated) 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 Nut & Bolts etc. and ACSR Conductor including loading and unloading and stacking in Nigam store /at work site

With in10 KM

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

Safe Carriage of insulator, hardware, cable etc.including loading/unloading and stacking in Nigam.stores etc.

With in10 KM

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

Safe carriage of 11/.4 KV 3 Phase distribution transformer including loading/unloading.from store to site

With in 10 KM

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

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

Fixing of 33kv pin insulator with pins.

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.

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

33kv G.O.switch

11kv 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.

33 kv Horn Gap fuse set.

11 kv 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 Nigams norm & commissioning of 11/0.4KV distribution transformer on erected supports including fixing of base channels as per requirment jumpering on HV&LV side, crimping of lugs/ clamping earth connections of body and neutral 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 rates,

25 and 40 KVA

Fixing of PG clamp of Dog /Racoon Conductor

Mesh earthing for 33/11 kv sub-station as per approved map &design usingMS flat 50X6mm/MS road 20mm dia includinglaying of flat/rod at the depth of 0.65 Mtrs.,welding & jointing at joints , structures & equipments etc.asunder:

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

Laying of MS flat /MS rod in 0.65Mtr.deep excavated trench and welding of MS flat/rod continuosly with 100 mm overlaping for straight joint including coating of MS flat joints with molten bitumen and covering joint with bitumen impregnated tape to protect from rust.

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

Normal Soil

where drilling is required

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 Yconnections at bus bar jumpering point as per the direction of engineer in-charge.

ACSR DOG/RABBIT

PCC Poles 9 Mtr. Long (200 Kg)

11/0.4 KV distribution transformer /sub-station with M.S.Rod 20mm dia 3 meter long and driving them into earth by mechanical means at a distance as per approved design & drawing & specification.The work includes flattening of top ends of M.S.rod drilling a hole of 9/16" dia.at flattened top and tightening of M.S.flat 50x6mm/25x3mm/(having 3 hole 2ends and 1mm middle) with nuts and bolts with M.S.rods top end hole.The flat will also be welded with M.S.rod.The end will be connected to equipments as under in sequence.

Erection of OCB/Kiosk/VCB complete with accessories including use of special tools & conducting all pre-commissioning test before energization,filling oil etc. complete in all respect with erection & grouting of structure (excluding civil works). The relays will be tested by Discom.

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)

Supplyof M.S. Nuts and bolts 5/8 inch dia assorted size.

Supply & Erection of maintenance free Gel Earthing with pipe in pipe/ pipe in strip technology filled with anticorrosive conductive compound (CPRI tested) below the ground in 150-200 mm dia earth pit and surrounding filed with required mineral filling compound (MFC should have hygroscopic property to retain the moisture for long time to create low resistance zone) and CC finished chamber covered with hinged type with locking arrangement C.I. cover, C..I frame of size 300mm x 300mm complete testing of earth resistance as required. The value of earth resistance shall be obtained 0.5 ohm in individual earthing. G.I. pipe (IS:1239 marks) GI pipe 3000 mm long 80 | 40 mm, terminal 12 mm G.I. Strip Earthing as per 18:3043-1987.

Conducting route survey as per approved route map and pegging of route with section point/ double pole location.

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

PART "B" Erection of 33 KV Line for Connection new Sub Station at Mohangarh under AP Kalu

(C)Stay set/Depth of pit

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

PART "B" Erection of 33 KV Line for Connection new Sub Station at Mohangarh under AP Kalu

(B) Lattice Tower /Size of pit

(A) Hieght of Poles/R.S. Joist/M.S.Rail /Size of pit

(C)Stay set/Depth of pit

Excavation of pit in Hard Soil which does not require blasting to erect various supports and stay sets including stacking of excavated muck from the edge of excavation/pit.

PART "B" Erection of 33 KV Line for Connection new Sub Station at Mohangarh under AP Kalu

(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

With in 10 KM

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

Safe carriage of steel( fabricated and unfabricated) 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 Nut & Bolts etc. and ACSR Conductor including loading and unloading and stacking in Nigam store /at work site

With in10 KM

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

Safe Carriage of insulator, hardware, cable etc.including loading/unloading and stacking in Nigam.stores etc.

With in10 KM

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

Safe Carriage offabricated Lattice tower structure and sub station structure etc.including loading/unloading and stacking in Nigam.stores/at work site.

With in10 KM

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

Erection & fixing of steel struts in the excavated pit in position.The top end of the strut will be properly holed/welded with the main support muffed in cement concrete of ratio 1:3:6 as per item No.5.7.The nuts and bolts will be provided by the contractor as per Nigams specification for which payment will be made at the prevailing store issue rate.The cost of 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

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.

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

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.

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 Nigams specification for which payment will be made as per

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

Fixing of 33kv pin insulator with pins.

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.

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

33kv G.O.switch

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

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

(B) IN RURAL AREA

ACSR DOG

Laying , jointing,stringing,tensioning and clamping of G.I. Earthwire continuosly 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 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)

Erection of OCB/Kiosk/VCB complete with accessories including use of special tools & conducting all pre-commissioning test before energization,filling oil etc. complete in all respect with erection & grouting of structure (excluding civil works). The relays will be tested by Discom.

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)

Supplyof M.S. Nuts and bolts 5/8 inch dia assorted size.

33 KV line

Conducting route survey as per approved route map and pegging of route with section point/ double pole location.

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

Excavation of pit in ordinary rock which does not require blasting 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/ 1.2mx0.6mx1.50 m deep

(C)Stay set/Depth of pit

Excavation of pit in ordinary rock which does not require blasting 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/ 1.2mx0.6mx1.50 m deep

(C)Stay set/Depth of pit

Safe carriage of PCC poles including loading / un-loading

a) 9 Mtr. Long-200 Kg /11 Mtr. PCC pole

With in 10 KM

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

Safe carriage of steel( fabricated and unfabricated) 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 Nut & Bolts etc. and ACSR Conductor including loading and unloading and stacking in Nigam store /at work site

With in10 KM

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

Safe Carriage of insulator, hardware, cable etc.including loading/unloading and stacking in Nigam.stores etc.

With in10 KM

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

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

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 Nigams specification for which payment will be made as per prevailing Discom store issue rates,

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

11 KV Line

11 KV Line

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

Fixing of 11 kv pin insulator with pins.

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 wire / P.G.clamps.Aluminium 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

Laying , jointing,stringing,tensioning and clamping of G.I. Earthwire continuosly 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

Fixing of M.S. Nuts and bolts 5/8 inch dia assorted size.

Note-1.Dismentaling, if any: Dismentaling charges for all the items will be 60% of item rates of erection charges. However, charges for transportation of the material from works site in the Nigam/sub division store shall be paid as item rate of that material(Chapter-III, Transportation of material). The payment will be made after issuance of certificate by Engineer In Charge that all the dismentaled material has been safely received in the Nigam/sub division store Note-2. The nut & bolts will be provided/supplied by the contractor which will confirm to relevant ISS & payment will be made as per prevailing Discom store issue rate. Note-3. The quality of material supplied by the contractor be got checked & approved by the circle SE. Note-4. In case of pole upper end of the GI wire provided for earthing shall be bolted with cross arm. Note-5. The qty mentioned for normal soil/ordinary rock. Hard soil which does not required drilling and Hard Rock/ CC road which required drilling are tentative & shall be payble as per actual site condition and due verification by Engineer In Charge. Note-6. Safe Carriage of PCC poles/other material including Loading/un-loading as per actual distance of work-site from place of lifting & shall be payble as per actual distance and due verification by Engineer In Charge. Note-7. Unit rates are inclusive of GST and shall be paid if applicable. Note-8. The work should be carried out as per specification and standard measurement of Jodhpur Discom.