Jodhpur Vidyut Vitran Nigam Limited Tender

(2.3)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) Hight of Poles/R.S.Joist/M.S. Rail Size of Pit

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

(B) Lattice Tower /Size of pit

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

(C)Stay set/Depth of pit

8'x 3/4" -0.75x0.5x1.6 m

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

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)

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 & 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

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

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 33kv pin insulator with pins.

Three nos. Earthing of each 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.

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 surface

Supply of MS nuts & bolts

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

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 . with 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

Drawing & stringing of G.I. 4 wire over the guarding bracket for guarding of road crossing /P&T crossing /Railway track crossing (for one span only)with cross G.I.wire laces at an interval of two meter each or required as per location using EYE bolt, nuts and bolts with washers etc.including binding .The EYE bolts and other nuts and bolts will be provided by thecontractor for which payment will be made as per prevailing Discom store issue rates.

(A) For 4 wire stringing

(A) For 4 wire stringing

6 SWG with laces of 8 SWG

Add Cost of 200 HDPE pipe

(ii)HDPE DWC pipe(IS-14930)

Add Cost of 200 HDPE pipe

Laying of two ( D/C) 33KV, XLPE (Aluminium conductor) underground cables w/o overlapping as per relevant IS/ JdVVNL 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.

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

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)

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

Installation of straight through joints on HT XLPE Insulated Cable with straight through joint including required removal / fixing / refixing/ testing etc. as required. (Without excavation)

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

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.

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

Within 10 Kms.

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.

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 exclusive of GST and shall be paid extra if applicable. Note-8. The work should be carried out as per specification and standard measurement of Jodhpur Discom.