AJD /SE(TW)/TN-460/Lot-2

11 KV Line work

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 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

(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

(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

(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 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.

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 partthereof.

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

Above 50 Kms.Add per each km,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.

(B) IN RURAL AREA

PCC Poles 9 Mtr. Long(400Kg.)

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 RABBIT

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.

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.

11kv Horn Gap fuse set.

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 2 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 PG clamp of Weasel /Rabbit Conductor

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

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.

11 KV VCB (Outdoor )

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 and continunous welding joint as per design and drawing.

Other steel items

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) 3x35 Sq mm to 3x185 Sq mm

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

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.

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

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

Supply of PVC ISI mark 1100 V 12x2.5 mm2 solid copper armoured control cable including lugs & fersules and laying of cable along the DP structure binding with wire at regular interval and making connections from CTPT secondary terminals to TTB. Including utilization of cable gland

Fixing of PVC ISI mark 1100 V 12x2.5 mm2 solid copper armoured control cable including lugs & fersules and laying of cable along the DP structure binding with wire at regular interval and making connections from CTPT secondary terminals to TTB. Including utilization of cable gland

Transportation and Fixing of meter box of size 525x300x150 mm made by deep drawn method from steel sheet of thickness 1.0 mm duly grey colour powder coated. The viewing window shall be provided with toughened glass of 5 mm thickness of size 120x140 mm. The cover of meter box shall be fixed on inside hinges. The cover shall be provided with neoprene rubber gasket lining fixed with adhessive. Backelite sheet of size 450x275x2 mm for mounting of HTTVM and TTB shall be provided. 4 nos. fixing clamps welded at top of rear face of the meter box of size 50x120x6 mm with 80 mm projection with a rectanguler slot of 17.5mmx50mm. 2 nos. clampsof 50x6mm alongwith nuts, bolts & washers should also provided for fixing the box on pole/joist. 2 nos. welded sealing bolts with nuts and washers should be provided for sealing the box . One hole with matel gland for cable size of 12core 2.5 mm2 control cable should be provided in the center of bottom. The meter box should consist of one 3 phase 4 wire link type meter test termianl block of IMP/CAPITAL make rated for atleast 10 A with cover mounted in the box. Earthing arrangement should be provided one meter box.

Installation, testing as per Nigam norms and commissioning of new CT/PT set on erected supports including jumpering wiring crimping of lugs clamping earth connection of body and conducting pre commissioning test before energisation and satisfactory operation in all respect. CTPT set shall be provided by Nigam from concern sub-div stores.

Supply of PG Clamps

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