AJD /SE(TW)/TN-459 (Lot-4)

Construction of 33/11KV GSS

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 above 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)

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.

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

(C)Stay set/Depth of pit

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

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

(C)Stay set/Depth of pit

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.

Hard/dense soil

Hard soil mixed with boulders

Providing and laying cement concrete including compaction etc, complete using stone aggregate 40 mm nominal size (hand broken) in foundation plinth excluding the cost of shuttering using 1 cement : 5 sand : 10 aggregate mix. Note : 1. The rates are all lead of cement, lime, ballast, sand, surkhi and grit etc. at site of work. 2. For all concrete work coarse sand shall be used no extra will be paid . 3. Concrete mix prepared by power driven mechanical mixer shall be used . 4. Under exceptional coditions, where mechanical mixer and vibrator are not used (with the approval of Engineer Incharge reduced by 3% for mechanical mixer and 2% for Vibrator. 5. Thickness of the cement concrete should not exceeed 100 mm.

Plaster on new surface on walls in cement, sand mortar 1:6 including racking of joint etc. complete fine finsh 25 mm thick. Note : 1. 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. 2. The rates cover protection of all place and things, requiring protection and cleaing such places and thing of all droppings and splashes of mortar etc.

Cement concrete flooring grade 1:2:4 (1-cement :2- coarse sand :4-graded stone aggregate ) rounding off edges etc.but excluding cost of nosing of steps etc. complete. Note : 1. The rates for all items inculde all form of work, laying, curing and finishing etc. The rates are for complete work at site, inclusive of all leads. 2. The rates cover the preparation and cleaing of all places

25 mm thick with 12.5 mm thick nominal size aggregate.

75 mm thick with 20 mm thick nominal size aggregate.

Masonry for foundation and plinth

Randon Rubble stone masonry for foundation and plinth in cement sand mortar 1:6(1 Cement : 6 Sand) including labour charges.

Brick masonry for foundation and 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.

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

c) 9 Mtr.long 200 Kg. PCC pole

within 10 Kms.-

Above 10 Km. & upto 30 Km. 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

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.

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

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.

Safe carriage of fabricated lattice towers structures and sub-station structures type AB, AB beams, isolators structures etc. including loading/unloading and stacking in the Nigam. Stores / at work site.

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.

Safe carriage of 11/.4 KV 3 Phase distribution transformer including loading/unloading.from store to site(b) 25 & 40 KVA

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.

Safe Carriage of 33/11 KV Power Transformer (b) Above 1.6 MVA & Upto 3.15 MVA

Within 10 Kms

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

Above 30 Kms & upto 50 Kms . Add for each Km or partthereof

Above 50 Kms . Add for each Km or part thereof

Within 10 Kms

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

Above 30 Kms & upto 50 Kms . Add for each Km or partthereof

Above 50 Kms . Add for each Km or part thereof

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

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

Safe Carriage of 33/11 KV Power Transformer

Within 10 Kms

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

Above 30 Kms & upto 50 Kms . Add for each Km or partthereof

Above 50 Kms . Add for each Km or part thereof

Safe loading of power/ distribution transformer.

Above 1.6 MVA & upto 3.15 MVA

Above 3.15 MVA & upto 5.0 MVA

Above 5.0 MVA Amendment reference D.810 dt.10.10.16

Safe unloading of power/distribution transformers

Above 1.6 MVA & upto 3.15 MVA

Above 3.15 MVA

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 (400 Kg)

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

8"x3/4" with 7/8 SWG 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.

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

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 and strips.

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

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.

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 ( 1set=3 Nos)

11 KV L.A. set ( 1set=3 Nos)

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 danger plates on supports/structure

Fixing of PG clamp of Weasel /Rabbit Conductor

Fixing of PG clamp of Dog /Racoon Conductor

Assembly,installation & commisioning 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 systm.The nuts & bolts will be supplied by contractor for which payment will be made as per prevailing Dicom store issue rates.

Three no. Earthing of 11/0.4 KV distribution transformer /sub-station with M.S.Rod 20mm dia each 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/25x3 mm (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.

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

Hard Soil

Ordinary rock ( where blasting is not required.)

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.

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 portion of MS flat/rod with two coats of red-oxide primer and two coats of green enamel paint.including material.

Earthing of new 33/11 KV S/S with bentonite compound (including material ) involving following activities. (8.5.1 TO 8.5.6 COVERED)

Pipe Earthing for Power Transformer at 33/11KV S/S :- Supply and erection of earthing electrode shall consist of G.I. Pipe 100 mm, of 3 Mtr. Length. The electrode shall be buried as far as practicable 3 Meters below ground level. Wherever possible earth electrodes shall be located as near the water tap, water drain or near down take pipe. Earth electrodes shall not be installed in proximity to a metal fance. It shall be kept clear of the bulidings foundations and in no case it shall be nearer than 2 Mtr. from the outer face of the wall. The electrode shall be surrounded with layer of charcoal dust and salt mixture through out the length. The 100 mm G.I. pipe shall be provided with holes of 12 mm Dia drilled at 75mm interval upto 2.5 meters length from bottom. The top of the pipe shall be provided with a G.I. threaded cap for watering the earth through a pipe. A clamp with pati of 12" of M.S. Flat of size 50x6 mm shall be fixed (Bolted) on the top age of the pipe which in turn shall be connected Neutral/Body of the Power Transformer through M.S. Flat size 50x6 mm. The G.I. cap over the G.I. Pipe shall be housed in a masonry chamber, approximately 300 mm x 300 mm x 300 mm deep. The masonry chamber shall be provided with a RCC Inspection cover resting over a RCC frame, embedded in masonry.

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 Panther

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 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.

33 KV VCB/SF-6 Breaker

11 KV VCB (Outdoor )

Installation of current/potential transformers on supporting structure including checking of wiring & conducting all pre-commissioning tests before energization & satisfactory operation in all respect (The CT/PT set will be tested by Discom).

33 KV CT(1 set of 3 Nos.) OR PT Set

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

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.(a to g)

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.

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

Other steel items

Drilling of holes in MS Channel / Angle /Flat

15/16" dia holes(23.81 mm dia.)

Transportation of CT/PT set (all size) including loading and unloading from Nigam store to site

(a) Within 10 Kms.

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

Supply of MS nuts & bolts

Supply of PG Calmps

33 KV Line work Annexure -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 soil (ordinary) to erect various supports and stay sets including stacking of excavated soil from the edge of excavation.

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

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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

(C)Stay set/Depth of pit

Excavation of pit in Hard soil

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

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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

(C)Stay set/Depth of pit

Excavation of pit in Hard rock ( Where blasting is required) 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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

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

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.

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

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.

Safe carriage of fabricated lattice towers structures and sub-station structures type AB, AB beams, isolators structures etc. including loading/unloading and stacking in the Nigam. Stores / at work site.

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.

Erection of all type of steel supports in the excavated pit in alignment after checking the same with plumb line including fixing of cross arms and top hamper before erecting the supports. The support 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

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.

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.

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.)

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

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

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

ACSR DOG

Fixing of 33kv pin insulator with pins.

Fixing and assembly of disc.point channel pair with pilot plates&clamps on erected double 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.

33 KV line

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.

(A).In Urban Area

G.I.Earth wire 6 SWG

G.I.Earth wire 8 SWG

(A).In Rural Area

G.I.Earth wire 6 SWG

G.I.Earth wire 8 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)

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 and strips.

Supply of MS nuts & bolts

Supply of PG Calmps

Fixing of PG clamp of Dog /Racoon Conductor

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

Other steel items

Drilling of holes in MS Channel / Angle /Flat

15/16" dia holes(23.81 mm dia.)

Laying of 33 KV XLPE Cable ( Aluminium Conductor ) underground as per relevant ISS / AVVNL standard including excavation of 30 cm width x120 cm deep trench in Kaccha land 25 cm thick under layer of sand. 'A' class bricks or concrete block covering refilling soil in the remaining portion and providing/fixing cable route indicators at every 30Mtr.of cable and at every turn.

B) 3x240 Sq mm to 3x400 Sq mm

Note:- Per mtr. Rate shall be paid extra for excavation of puccka road

Laying of two (D/C) 33KV, XLPE (Aluminium conductor) undrground cables w/o overlapping as per relevant IS/ AVVNL standard including excavation of 50 cm width x 120 cm deep trench in Kaccha land.25 cm thick under layer of sand. 'A' class bricks or concrete block covering refilling soil in the remaining portion and providing/fixing cable route indicators at every 30Mtr.of cable and at every turn.

A) 3x50 Sq mm to 3x185 Sq mm

B) 3x 240 Sq mm to 3x400 Sq mm

Note:- per meter shall be paid extra for excavation in Pakka Road.

Laying of 33 KV & 11KV XLPE cable without Road cutting i.e. through burrowing machine "VERMIER".(120 cm deep).Use of this technology must be restricted to the situation like:-

(iii)When cable laid in a HDPE pipe

33 / 11 KV 3C x 300 Sq.mm cable

Add Cost of 200 HDPE pipe

(b) HDPE DWC pipe(IS-14930)

Intallation of 33 KV Cable (XLPE) termination / straight through joints ( Heat shrinkable type) as per manufacturer's kit guidance and direction including preparation of cable and testing refilling etc as required.(Including crimping of lugs)

A) (ii) 3x240 Sq mm to 3x400 Sq mm

C) (ii) Straight through joint 3x240 Sq mm to 3x400 Sq mm

Providing and fixing of G.I. Pipe of 150 mm diameter. B-Class (IS:1239 mark),at the starting and finishing point of 33 KV under ground cables and to lay & clamp vertically with the existing support including labour charges.

11 KV Line work Annexure -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 approchases for proposed line.

Excavation of pit in soil (ordinary) to erect various supports and stay sets including stacking of excavated soil from the edge of excavation.

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

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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

(C)Stay set/Depth of pit

Excavation of pit in Hard soil

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

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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

(C)Stay set/Depth of pit

Excavation of pit in Hard rock ( Where blasting is required) 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

(B) Lattice Tower /Size of pit

11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep

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

(C)Stay set/Depth of pit

Safe carriage of PCC poles including loading / un-loading

c) 9 Mtr.long 200 Kg. PCC pole

within 10 Kms.-

Above 10 Km. & upto 30 Km. 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

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.

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

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.

Safe carriage of fabricated lattice towers structures and sub-station structures type AB, AB beams, isolators structures etc. including loading/unloading and stacking in the Nigam. Stores / at work site.

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.

Fixing of 11 KV pin insulator with pins.

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 PG clamp of Weasel /Rabbit Conductor

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)

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.

Other steel items

Drilling of holes in MS Channel / Angle /Flat

15/16" dia holes(23.81 mm dia.)

Supply of MS nuts & bolts

Erection of all type of steel supports in the excavated pit in alignment after checking the same with plumb line including fixing of cross arms and top hamper before erecting the supports. The support 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

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.

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

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,

11 KV line

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

ACSR DOG

ACSR RABBIT

ACSR WEASEL

INSULATED RABBIT HT/LT

Supply of PG Clamps

Laying of 11 KV, XLPE, Cable (Aluminium conductor) underground as per relevant IS/AVVNL standards including excavation of 30 cm x 120 cm deep trench in Kaccha land 25 cm thick under layer of sand. 'A' class beicks covering refilling soil in the remaining(Including fixing of G.I.Pipe of required size at both end with 3 Mtr projected above the ground surface & 0.3 Mtr. below ground level)

A) 3x50 Sq mm to 3x185 Sq mm cable

Note:- Per mtr. Rate shall be paid extra for excavation of puccka road

Laying of two (D/C) 11 KV, XLPE, Cable (Al. conductor) underground cable w/o overlapping as per relevant IS/AVVNL standards including excavation of 50 cm width x120 cm deep trench in Kaccha land, 25 cm thick under layer of sand. 'A' class bricks or concrete block covering refilling soil in the remaining portion and providing/fixing cable route indicators at every 30Mtr.of cable and at every turn.

A) 3x50 Sq mm to 3x185 Sq mm cable

Note:- per meter shall be paid extra for excavation in Pakka Road.

Laying of 33 KV & 11KV XLPE cable without Road cutting i.e. through burrowing machine "VERMIER".(120 cm deep).Use of this technology must be restricted to the situation like:-

(iii)When cable laid in a HDPE pipe

B) 33 / 11 KV below 3C x 300 Sq.mm cable

Add Cost of 200 HDPE pipe

(a) HDPE DWC pipe(IS-14930)

Installation of cable termination / straight through joints on 11KV Aluminium conductor XLPE /PILCA Cable with outdoor/ indoor termination end and /or straight through joint including required excavation / remoral/ fixing / refixing/ testing etc. as required

A) (I) Outdoor end terminal 3x35 Sq mm to 3x185 Sq mm

C) (I) Straight through joint 3x35 to 3x185 Sq mm

Providing and fixing of G.I. Pipe of 125 mm diameter. B-Class (IS:1239 mark),at the starting and finishing point of 11 KV under ground cables and to lay & clamp vertically with the existing support including labour charges.

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