IND-BARATH ENERGY(UTKAL)LTD.,SAHAJBAHAL400KV D/C LINE CONSTRUCTION

NAME OF CONTRACTOR: M/s.Venus Control & Switchgears Pvt.Ltd.,Kolkata Joint Measurement Certificate.SECTION - LOC. NO....... To LOC. NO.......ITEM CHECKED RESULT OBSERVATION,IF ANY

----------------------------------------------------------------(A) Pre-stringing checks: Yes No1) Backfilling of soil and REVETMENT /Benching whereever required is done .2) Towers are tightenedproperly and all the members, Nut/Bolts are provided.3) Trees in the corridorremoved to facilitate smooth stringing.

5) Shutdown of Powerline/Railway block if required, is arranged.

7) Towers vulnerable for one side load is guyed properly. 8) Tower footing resistance is within permissible limit of 10 ohms.(B) Paying Out of Earthwire Yes No1) Work is being carried out with full safety measures as per guidelines-2) Travelling grounds are provided.3) Paying out is carried out as per approved drum schedule. 4) All pulleys fixed on towers for paying out are moving freely.5) Effective communication exists through walkie- Talkie and through persons.

6) Earthwire is being constantly checked as it is un-wound. Damaged portion, if any, is removed.

7) Necessary arrangement have been provided to avoid rubbing of earthwire against hard ground.Yes/No8) Necessary details of Earthwire, M.S. Joints recorded as per Ann-CF-I & CF-II.

(C) Paying out of Conductor Yes No1) Work is being carriedout with full safety measures as per guidelines.2) Tensioner/puller are properly placed firmly anchored and earthed.3) Conductor drums are palced properly to avoid bird caging.4) Sequence of paying out is such that to avoid unbalancing of load on tower.7) Details of insulators and fitting are recorded as per annexure. CF-III & CF-IV.8) Paying out is carried out as per approved drum schedule.9) Travellers fixed on towers are moving freely.

NAME OF LINE: 400KV D/C LINE OF M/s.IBEUL FROM SAHAJBAHAL TO BELPAHAR LILO POINT

4) All Line materials, tested T & P, safety equipments and relevant drawings are available for stringing.

6) Necessary Protection/ scaffolding/warning signals provided for Railway/Powerline/P&T line/Road Crossing.

10) Effective communication exists through walkie talkie and through person stands and safe paying out.

12) Proper arrangements made to avoid rubbing of conductor on ground/hard surfaces.13) Details of conductor and M.S joint/repair sleeve is recorded as per annex CF-1& CF-2.(D) Final Sagging and Tensioning of Earthwire and Conductor Yes No

1) Sag board is fixed correctly after taking into account length of suspension clamp/fittings.2) No. of sag boards fixed in a section is as per technical specification.3) Sag is measured correctly at prevailing temperature details recorded as per Ann.CF-V.4) Sag mismatch is within permissible limit of 40MM.is checked by theodolite.

6) Details of tension clamp/fitting are recorded as per Ann.CF-VI& CF-III,& CF-IV.

(E) Clipping of Earthwire and Conductor Yes No

2) Before clipping of conductor,proper earthing is provided.3) Following line material provided as per specification.Details recorded as shown below.a) Suspension clamp of Earthwire and conductor as per Ann.CF-IV & CF-VI.b) Vibration Dampers for Earthwire and conductor as per Ann.CF-VII.c) Details of spacer/spacer damper/jumper spacer recorded as per Ann.CF-VIIId) Jumpers for Earthwire/Conductor asper Ann.CF-IV & CF-VI.e) Pilot fitting, wherever necessary as per Ann.CF-III & CF-IV.4) Sag/Tension again measured after clipping and found o.k .Details recorded as per Ann.CF-V.5) Transposition done as per specification.Details of line materials recorded.6) All line materials provided are as per specification and approved drawings.7) Jumpers tightened properly.Live material clearance are as per specification.8) Minimum Ground Clearance,Clearance over Power line ,Railway Line/River crossing.

Certificate: Stringing is completed in all respect.FOR CONTRACTOR FOR IBEUL,SAHAJBAHALSIGNATURE SIGNATURENAME NAMEDESIGNATION : DESIGNATIONDATE DATEANNEXURE CF-IDetails of Earthwire/Conductor1. Make

11) Conductor is checked contineously as it is unwound from drum.Damaged portiopn if any,is removed/repaired.

5) After measuring sag,marking/cutting of earthwire/conductor is done correctly to fix tension clamp/fittings.

1) For clipping, the marking is done correctly so that suspension is done correctly so that suspension clamp fitting hangs exactly vertical.

2. Batch No.3. Quantity and Location

Sl.No. Drum No. Length Paid Phase Wire No.

4. There is no damage to Earthwire/conductor before or earthwire during stringing.Strands are in perfect position.FOR CONTRACTOR FOR IBEUL,SAHAJBAHAL

SIGNATURE SIGNATURENAME NAMEDESIGNATION : DESIGNATIONDATE DATEANNEXURE CF-II

Details of M.S. Joint for Earthwire/Conductor and Repair Sleeve for Conductor.1. Make2. Batch No.3. LocationSl. Between Loc. No. Ph Phase Wire No.No.

4. Dimension - Recorded as per Ann.CF-IX5. M.S. Joint has been provided at least 30 meters away from together.6. There is no M.S. Joint over Railway/River/Main road crossing7. Not more than one M.S. Joint provided in one span for each earhwire/Conductor.

FOR CONTRACTOR FOR IBEUL,SAHAJBAHALSIGNATURE SIGNATURE:NAME NAME:DESIGNATION : DESIGNATION:DATE DATE:ANNEXURE CF - III

Length Marked on

Drum

Paid Between From Loc No. To Loc No.

8. Repair sleeve shall be used if number of damaged strands is not more than 1/6th of total strands in outer layer.If damage is more,then the damaged portion shall be removed and M.S Joint is provided.

Records of Insulators1. Type - Glass/Porcelain, Suspension/Tension/Pilot2. Make -3. Batch No. -4. Electro Mechanical Strength -5. Quantity and Location -

Sl.No.Qty in CKT-I Qty in CKT-II

Remarks

Phases PhasesR Y B R Y B

7. `R' Clips in Insulators are fitted properly.8. While Hoisting, no damage caused to insulators.FOR CONTRACTOR FOR IBEUL,SAHAJBAHALSIGNATURE : SIGNATURE:NAME : NAME:DESIGNATION : DESIGNATION:DATE L: DATE:ANNEXURE CF-IVDetails of Hardware Fitting1. Make:2. Batch No:3. Type of fitting - I/V, Single/Double, Suspension/Tension.4. Quantity and Location.Sl.No. Loc No. Nos. of Fittings Remarks

PhasesR Y B

5. All Nuts/Bolts properly tightened

Loc. No. Qty as per Drawing

6. Insulators are completely cleaned with soft cloth. Glazing is proper.There is no crack,scrach or white spot on its surface.

Fitting is cleaned and there is no damage to any component.7. All split pins properly provided.8. In case of Tension fittings, Dimensions before and after compression recorded as per Ann.CF-IX.ANNEXURE CF-VSag Measurement for Earthwire and Conductor1. Sag board fixed between Loc. No......... and ....2. Temperature ........°C3. Measurement of Sag/Tension.

Item Phase/Wire No. As per Sag Tension Chart Actual

4. During paying out/ rough sagging, tension inconductor / Earth Wire was as per technical specifications.5. For final sagging, initial stringing chart for conductorand final stringing chart for Earth Wire are used.ANNEXURE CF-VISuspension/Tension Clamps for Earthwire1. Make2. Batch No.3. Quantity & Location No.Sl.No. Wire No. Loc.No. Remarks

4. All components of clamps have been provided as perapproved drawings. Dimensions and galvanizing are O.K.Clamp is cleaned and there is no damage to any component.5. All Nuts & Bolts have been properly tightened.6. Split pins have been properly fixed.7. In case of Tension clamp, Dimensions before and aftercompression recorded as per Ann.CF-IXFOR CONTRACTOR FOR IBEUL,SAHAJBAHALSIGNATURE: SIGNATURE:NAME : NAME:DESIGNATION : DESIGNATION:DATE: DATE:

6. All components of fittings have been provided as per approved drawings.Dimensions and galvanising are ok.

Sag Tension

ANNEXURE CF-VIIRecords of V.D. for Earthwire/Conductor1. Make2. Batch No.3. Quantity & Location

Sl.No. Fixed on Loc No. Fixed From Loc.No. Phase/Wire No. Nos. of V.D

4. All components of V.D.have been provided as per approveddrawings. Dimensions and galvanizing are O.K. V.D. iscleaned and there is no damage to any component.5. Nuts/Bolts tightened properly.6. V.D. fixed as per approved placement chart.FOR CONTRACTOR FOR IBEUL,SAHAJBAHALSIGNATURE: SIGNATURE:NAME : NAME:DESIGNATION: DESIGNATION:DATE : DATE:ANNEXURE CF-VIIIRecords of Line spacer/spacer Damper/Jumper spacer1. Make2. Batch No.3. Quantity & LocationSl.No. Span/Loc No. Phases Nos. of Spacers

4. All components of spacer have been provided as perapproved drawings. Dimensions and galvanizing are O.K.Spacer is cleaned and there is no damage to any component.5. Nuts/Bolts tightened properly.6. Spacer/spacer damper fixed as per approved placement chart.ANNEXURE CF-IXDimensions for M.S. Joints/tension sets for earthwire and conductor.i) Type of joint ACSR (Mid span jt./dead end jt./jumper cone/)/E/W (Mid span jt./ dead end jt./jumper cone)/ACSR Repair sleeve/T-Clamp.ii) Locn. No. ... ..... ..... ..... .....iii) Span Loc. No. ..... to .. .. .. .. ..

iv) Apprd. drg. Nos......................v) Details of dimensions

Steel portion Aluminium portion

As per Drawing Actual As per Drawing Actual

After Compression After CompressionLength Outer Dia Length C-C F-F Length C-C F-F

FOR CONTRACTOR FOR IBEUL,SAHAJBAHALSIGNATURE SIGNATURENAME NAMEDESIGNATION : DESIGNATIONDATE DATEvi) Bores in the sleeves are perfectly clean.vii) The following may be checked as per approved drawing:a) Marking and cutting.b) Correct sizes of diesc) Centering & fixing of sleeves.d) Fixing of all the components i.e. Aluminium end Pipes ,Holes Plugs etc.

e) Compression of sleeves at specified pressure.f) Application of filler paste (Zinc chromate).viii) All the sharp edges have been filed after compression.ix) There is no crack, bend or any damage to joint after compression.

FOR CONTRACTOR FOR IBEUL,SAHAJBAHALSIGNATURE : SIGNATURE:NAME : NAME:DESIGNATION : DESIGNATION:DATE : DATE:

Before Compression

After Compression

Before Compression

After Compression