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Achievements

                                                           ACHIEVEMENTS          

Important Achievement of B & S Directorate during Last Five Years

i) RESEARCH, DEVELOPMENT & INVESTIGATION :-

SN

Financial Year

Broad Area of Achievement

Title of Achievement

Description of Achievement

Likely Benefits

Current Status of Implementation

1.         

2007-08

Freight Throughput

Designs for MBG Loading 1987

Design of 12.2m & 18.3m Post- tensioned, 4I girder for 1200mm gap for MBG - Loading.

Standard design and drawing for IR Expeditious planning and execution.

Drawings issued for trial adoption.

2.         

2007-08

Freight Throughput

Design for HM Loading 1995

Design of 12.2m(4Unit) Post-tensioned PSC slab for HM Loading.

Enhanced freight throughput. Standard design and drawing for IR Expeditious planning and execution.

Drawings issued for trial adoption.

3.         

2007-08

Safety

Design for MBG Loading 1987

Drawing of 18.3m Post- tensioned, 2I girder.

Standard design and drawing for IR Expeditious planning and execution.

Drawings in use on Indian Railways

4.         

2007-08

Standardization

Design of Open Web Girder  (OWG) bridge (underslung type)

Design and drawing of 61.0mtr underslung girder for MBG loading

Standard design and drawing for IR Expeditious planning and execution.

Used for constructing standard bridges on IR

5.         

2007-08

Standardization

Design of Pot-PTFE Bearing

Design of Pot-PTFE bearing of underslung girder for 61.0m for MBG loading

Standard design and drawing for IR Expeditious planning and execution.

Used for fabricating  standard bearings on IR

6.         

2007-08

Standardization

Design of H-beam sleeper

Design of H-beam sleeper for welded girder bridge for BG

Standard design and drawing for IR Expeditious planning and execution.

Used for fabricating  standard bearings on IR

7.         

2007-08

Standardization

Design of OWG for 25t loading

Design & drawing of welded type OWG for 30.5m & 45.7m, 61.0m & 76.2m for 10 million cycles.

Standard design and drawing for IR Expeditious planning and execution.

Used for constructing standard bridges on IR

8.         

2007-08

Standardization

Design of OWG of welded type DFC loading (32.5t axle load)

Design and drawings of welded type girder OWG for 30.5m for 10 million cycles for DFC loading

Standard design and drawing for IR Expeditious planning and execution.

To be used for DFC corridors

9.         

2008-09

Freight Throughput

Design for 25 t

          Design of 12.2m Post- tensioned, 4I girder.                                                       —Desing of 3.05m, 3.66m, 4.57m, 6.10m & 9.15m(3 unit) Pretensioned PSC slab.                                             Design of 12.2m Post- tensioned, 2I girder (Straight and Curved alignment) &18.3m 2I girder.

Standard design and drawing for IR Expeditious planning and execution.

Drawings issued for trial adoption.

10.      

2008-09

Freight Throughput

Design for DFC Loading.

Design of 6.10m(3unit) Pre-tensioned PSC slab.

Enhanced throughput.

To be used for DFC Corridor.

11.      

2008-09

Standardization

Standard drawing for 25t loading – 2008 plate girder welded type

The drawings of plate girder welded type for 10 million cycles for 12.2m span,18.3m span and 24.4 span.

For standardization of designs and to avoid repetitive work. Improvement in efficiency of system.

Used for constructing standard bridges on IR

12.      

2008-09

Standardization

Standard drawing for DFC loading (32.5t axle load) plate girder welded type

The drawings of  plate girder welded type for 10 million cycles for 12.2m span,18.3m span and 24.4m span.

For standardization of designs and to avoid repetitive work. Improvement in efficiency of system.

To be used for DFC corridors.

13.      

2008-09

Throughput Enhancement

Design of Concrete Bridges for 25t loading-2008

RCC slabs for standard spans of 0.61m, 0.92m, 1.22m, 1.83m and 2.44m.

Enhanced throughput.

Used for constructing standard bridges on IR

14.      

2008-09

Throughput Enhancement

Design of concrete bridges for DFC loading

RCC slabs for standard spans 0.61m, 0.92m, 1.22m, 1.83m and 2.44m

Enhanced throughput.

To be used for DFC corridors

15.      

2008-09

Throughput Enhancement

Design for HM loading-1995.

Standardisation of provisional drawing of 3.05m, 3.66m & 4.57m PSC Slabs.

Enhanced throughput.

Drawings in use on Indian Railways

16.      

2009-10

Freight Throughput

Designs for DFC loading -2008.

Design of 3.05, 3.66, 4.57 & 9.15m Pre-tensioned PSC slab for 32.5t (DFC) Loading.

Standard design and drawing for IR Expeditious planning and execution & throughput enhancement

To be used for DFC Corridor

17.      

2009-10

Freight Throughput

Designs for 25 t loading-2008

Design of 24.4m Post- tensioned, PSC, Box girder for 25t Loading.

Safety, throughput enhancement.

Drawings issued for trial adoption.

18.      

2009-10

Safety

Development of Channel sleeper

Checking of design of channel sleeper  on curves at 20 kmph for NG

Passenger safety.

Result released to Railways for use.

19.      

2009-10

Standardization

Standard drawing Composite girder welded type for 25t loading 2008

The drawings of Composite girder welded type for 10 million cycles for 24.4m span, 12.2m span, 18.3m span and 30.5m span.

Standard design and drawing for IR Expeditious planning and execution, Throughput Enhancement.

Used for constructing standard bridges on IR

20.      

2009-10

Throughput Enhancement

Design of Concrete Bridges for DFC loading.

Mass concrete Pier and Abutment for 6.1m and 9.15m span PSC slabs

Standard design & drawings for IR.

Implemented.

21.      

2009-10

Throughput Enhancement

Design of Concrete Bridges for 25t loading-2008

Mass concrete Pier and Abutment for 6.1m & 9.15m span PSC slabs.

 

Implemented.

22.      

2010-11

Freight Throughput

Designs for 25t loading-2008

      Design of 12.2m(4Unit) &  9.15m(2Unit) Post-tensioned PSC slab.                                                         Design of 3.05, 3.66, 4.57,  9.15m(3unit) & 6.1m Pre-tensioned PSC  slab.

Standard design and drawing for IR Expeditious planning and execution and throughput enhancement.

Drawings issued for trial adoption on IR.

23.      

2010-11

Safety

Evaluation of Vibration Signature Analysis for Condition Assessment of Concrete Bridges

It has been concluded that Vibration signature as a technique to monitor condition of bridge cannot be used at present and Deflection is a better parameter to monitor condition of bridge. A&C No. 22 to IRBM regarding measurement of camber/deflection has been issued.

Ensuring safety by regular health monitoring of bridges.

Implemented.

24.      

2010-11

Safety

Design of men refuge

Design of man refuge for OWG

Safety of workforce.

Design released for implementation on IR.

25.      

2010-11

Throughput Enhancement

Design of Concrete Bridges for 25t loading-2008

Mass concrete Pier and Abutment for 12.2m span composite girders

Standard design and drawing for IR Expeditious planning and execution

Used for constructing standard bridges on IR

26.      

2010-11

Throughput Enhancement

Design of Open Web Girder bridge for DFC loading

Design & drawing of welded type OWG for 45.7m for 10 million cycles.

Standard design and drawing for IR Expeditious planning and execution

To be used for DFC Corridor

27.      

2010-11

Throughput Enhancement

Design of channel sleeper for DFC loading

Design & drawings of H-beam sleeper.

Standard design and drawing for IR Expeditious planning and execution

To be used for DFC Corridor

28.      

2010-11

Throughput Enhancement

Design of Concrete Bridges for 25t loading-2008

Single RCC Box culverts for spans 2 to 6m (324 combinations for span, height and earthfill)

Standard design and drawing for IR Expeditious planning and execution

Used for constructing standard bridges on IR

29.      

2010-11

Throughput Enhancement

Design of Concrete Bridges for DFC loading

Single RCC Box culverts for spans 2 to 6m (324 combinations for span, height and earthfill)

Standard design and drawing for IR Expeditious planning and execution

Used for constructing standard bridges on IR

30.      

2010-11

Throughput Enhancement

Design of Concrete Bridges for 25t loading-2008.

Mass concrete Pier and Abutment for 12.2m span PSC 2I Girders

Standard design and drawing for IR Expeditious planning and execution

Used for constructing standard bridges on IR

31.      

2011-12

Safety, Reliability

Suitability checking of existing superstructure drawings for 25t Loading 2008.

Suitability of restricted height PSC girder of 18.3m span (MBG Design).

Avoiding new construction for spans found suitable, Safety and throughput enhancement.

Results released for use by Zonal Railways.

32.      

2011-12

Standardization

Standard Drawing for “Details of skew arrangement of composite  Girder ROBs for 18m,24m,30m and 36m clear spans”.

The Drawing of Details of skew arrangement of Composite Girder ROBs for 18m, 24m, 30m and 36m to IRC Loadings was issued.

Standard design and drawing for IR Expeditious planning and execution

Issued for use of Zonal Railways.

33.      

2011-12

Standardization

Standard Drawing for Composite girder welded type 36.0m span IRC-6 Loading

The drawing for Composite girder welded type 36.0m span IRC-6 Loading was issued.

Standard design and drawing for IR Expeditious planning and execution

Issued for use of Zonal Railways.

34.      

2011-12

Standardization

Design of washing pit line.

Design of washing pit line was developed.

Standard design and drawing for IR Expeditious planning and execution

Issued for use of Zonal Railways.

35.      

2011-12

Standardization

Drawing of Cribs for Piers used for Temporary Arrangement for 25t Loading

The Standard Drawings of Cribs for Pier used for Temporary Arrangement for 25t Loading has been issued. The Drawings mention new type of clamps for C.C. Cribs and sill clamps and also introduce a new ‘top clamp” for use in temporary arrangements

Standard design and drawing for IR Expeditious planning and execution

Issued for use of Zonal Railways.

36.      

2011-12

Standardization

The standard drawings for the Restricted head plate girder for 14.4m and 26.8m overall length for use as temporary arrangement.

The standard drawings for the Restricted head plate girder for 14.4m and 26.8m overall length were issued for use as temporary arrangement.

Standard design and drawing for IR Expeditious planning and execution

Issued for use of Zonal Railways.

37.      

2011-12

Throughput Enhancement

Design of Concrete Bridges for 25t Loading 2008.

Mass concrete Pier and Abutment for 12.2m span PSC slabs (4 Units).

Standard design and drawing for IR Expeditious planning and execution

Used for constructing standard bridges on IR.

38.      

2011-12

Throughput enhancement.

Design of PSC Slabs for 25t Loading 2008.

Design of 3.05, 3.66, 4.57,  9.15m(3unit) & 6.1m PSC  slab suitable for severe environment condition.

Standard design and drawing for IR Expeditious planning and execution. Throughput enhancement. 

Used for constructing standard bridges on IR.

39.      

2012-13

Standardization

The standard drawings for the Restricted head plate girder for 20.4m overall length for use as temporary arrangement.

The new standard drawings for the Restricted head plate girder for 20.4m overall length for use in temporary Arrangement

Standard design and drawing for IR Expeditious planning and execution. Safety

Released for use by Zonal Railways.

40.      

2012-13

Throughput Enhancement

Design of Concrete Bridges for DFC loading

Twin RCC Box Culverts for span 3 to 6m (189 combinations for spans, height and earthfill)

Standard design and drawing for IR Expeditious planning and execution

Used for constructing standard bridges on IR.

41.      

2012-13

Throughput Enhancement

Design of Concrete Bridges for 25t loading-2008

Segmental RCC Box culverts for Limited Height Subways (18 combinations for spans, height and earthfill)

Standard design and drawing for IR Expeditious planning and execution

Used for constructing standard bridges on IR.

 

  * Development of sleeper for steel girder bridges in Advanced Composites (FRP)
 

To develop alternative to wooden bridge sleeper, RDSO, in collaboration with R&D.E. (Engrs.), Pune and TIFAC, has taken up a project to develop girder bridge sleeper in Advanced Composites (FRP). The proto-type sleepers have been successfully tested at RDSO. Dynamic panel testing was also done successfully at SERC, Chennai. Advisory & Monitoring Committee had declared this project as completed and cleared the sleeper for field trials. Technology transfer document consisting of Specifications of FRP sleeper and Acceptance Tests Plan (ATP) have been received from R&D.E.(Engrs.), Pune. The sleeper is expected to be made available for regular use on Railways by July 2002.

?* CDA trials on ballasted deck bridges
 

Trials were conducted to determine the co-efficient of Dynamic Augment (CDA) on ballasted deck concrete bridges and also, to validate existing provisions of CDA on the bridges. Detailed report was prepared after conducting trials on 13 bridges (Report No.BS/ 20) and discussed in 71st BSC meeting.

* 

Acoustic Emission Technique

 

Acoustic Emission Technique (AET) is relatively new non-destructive technique, which has high potential for monitoring active cracks on bridges. RDSO has recently procured two sets of AE equipment for use on Railway Bridges.

* 

Instrumentation of super-structure of Rail-cum-Road bridge at Jogighoppa, N.F. Railway

 

Technical Advisory Group (TAG) advised that superstructure of rail-cum-road bridge at Jogighoppa should be instrumented for measuring stresses in the members before commissioning. Accordingly, two selected spans of 30.5m and 120.0m had been instrumented for strain-gauging of above mentioned bridge. Actual stresses in the steel members were assessed to be less than the designed value, thus, adequacy of design was provided.

 *

Testing of Aluminium Alloy Girder

 

Load tests on aluminium alloy girder, fabricated for use on Indian Railways for formation treatment, were conducted to establish the adequacy of design.

 *

Study of noise generated by train movement on Railway bridges

 

To compare level of noise on bridges laid with different types of sleepers and to improve design of the channel sleeper, trials were conducted and Report No. BS: 32 issued. Improvement to steel channel sleepers to standard drawing of RDSO is not required as far as generation of noise is concerned.

* 

Effect of train actuated vibrations on structures located adjacent to track.

 

To study the effect of vibrations generated by movement of trains on structures adjacent to track and to suggest design changes, trials were conducted and Report No.BS-33 issued. No strengthening measures is required for structure located along Railway track.

* 

Impact test on FRP sleeper

 

Tests were conducted to assess performance of FRP sleeper against impact loading and report No.BS-31 issued. Impact resistance of FRP bridge sleeper is better than that of wooden sleeper.

ii) PROOF CHECKING AND CONSULTANCY

Following proof checking works were completed:

*

Checking of bridge no. 285 and 66 of NE Railway for WDG2 locomotive.

*

Checking of adequacy of ballast less slabs for span 0.61m for providing 300mm ballast cushion on the same slabs.

*

Proof checking of substructure of Gambhir Bridge, JURL Project, and Northern Railway.

*

Proof checking of design calculations of substructures of proposed section bridge no. 544 over river Maha Nadi on Hawrah-Madras section.

*

Checking of design of substructures of bridge no. 445 between Rafiganj and Deo Road on Gaya-MGS section.

*

New bridge no. 531 (30.5m span box girder to MBG loading) over river Sone between Sone Nagar and Dehri-on-Sone at km 550.13

*

Proof checking of Balawali Bridge (Elastomeric Bearings)

*

Design of sub-structure of Br.No. 353 of span 4 x 6.1m + 10 x 12.2m + 6 x 6.1m over Maredipally Nallah.

*

Design of Bridge No. 264 of span 16 x 12.2m + 8 x 18.3m Mysore-Hassan Gauge Conversion - proposal for strengthening of abutment.

*

Design of Bridge No.442 of span 45 x 18.3m across river Tungbhadra between Alampur and Kurnool Town on Mehboob Nagar-Dronachallam section.

*

Design of Bridge No.398 of span 34 x 24.4m over Krishna Sreeramnagar-Gadwal on Mehboob Nagar-Dronachallam section.

S.E. Railway

 

Design of 18.3m PSC ’I’ girders on 5o curve to H.M. loading.

*

Design of 18.3m plate girder and 170 ft. span open web girder to HM loading.

*

Design of 12.2m PSC 3 ’I’ box girder toHM loading.

*

Design of 12.2m PSC 2 ’I’ box girder to HM loading.

*

Design of PSC design of ROB at Boinda, Talchar-Sambalpur Rly. link project.

*

Design of 12.2m PSC ’I’ girder to HM loading for Daitari-Keonjhar-Banspanai Rail Link Project.

*

Design of 18.3m PSC ’I’ girder to HM loading for Daitari- Keonjhar-Banspanai Rail Link Project.

*

Design of 30.5m PSC box girder to HM loading for Daitari- Keonjhar-Banspanai Rail Link Project.

*

Design of Road-over-bridge of span 2 x 20.146m + 2 x 24.717m + 1 x 34.822m of Kona Express High way near Santragachi Station.

*

Design of Bridge No. 152 of span 3 x 18.3m for Daitari- Keonjhar-Banspanai Rail Link Project.

*

Design of Bridge No. 157 of span 1 x 30.5m for Daitari- Keonjhar-Banspanai Rail Link Project.

*

Design of Bridge No. 164 of span 1 x 30.5m for Daitari- Keonjhar-Banspanai Rail Link Project.

*

Design of Bridge No. 169 of span 1 x 30.5m + 1 x 18.3m over Khanjori river, Daitari- Keonjhar-Banspanai Rail Link Project.

*

Design of 30.5m PSC box girder on 30 curve to HM loading of Daitari-Keonjhar-Banaspani rail link project in S.E. Rly.

Central Railway

 *

Checking of design of I-girder on 40 curve in connection with Kurdwadi-Pandharpur gauge conversion, Central Railway, (CAO/C/Central Railway).

*

Design of RCC Box Road-under-bridge at Km 76/3-4 between Diva-Vasai section on Central Railway for CAO/C/.C.Rly.

N.F. Railway

*

Proposed road over bridge at Dimapur on Lumding-Furkating section of NF Railway.

*

Proof consultancy of design of 22.91m (75’ approx.) span through girder.

N. Railway

 

Design of 31.5 PSC box girder of Br.No.78 on JAT-Udhampur Rail Link Project span 3 x 31.5m.

*

Design of 20.3m PSC box girder of Br.No.89 on JAT-Udhampur Rail Link Project span 6 x 20.3m.

*

Design of 2 x 56.00m + 1 x 80m PSC box girder of Ringhal Bridge on JAT-Udhampur Rail Link Project.

*

Design of 2 x 71.m + 1 x 102m PSC box girder of Gambhir Bridge on JAT-Udhampur Rail Link Project.

*

Design of 11 x 16.15m span PSC box girder of Bridge No.118 A of Zone E-22 on JAT-Udhampur Rail Link Project.

*

Proof checking of Pot-PTFE bearing for 30.5m box girder (MBG-Loading) of M/s METCO, Kolkata & M/s J. Sons, Merrut.

*

Proof checking of Ballastless slab of Jammu-Udhampur Rail Link Project (M/s IRCON CONSORTIUM).

 *

Checking of plate girder for bridge no. 66 & 39 between Chapra-Aurihar Sections, Register No. DD2005/4(Drg. No. B/58/0784).

 

Checking of calculation of design of girder for Bridge No. 37 between ARJ-BSB Section of NE Railway Loading 1WDG2+7.59T/m at 30 kmph (RDSO Drg. No. BA-1570).

 *

Checking of the design of sub-structure of bridge on river Bhagirathi of Eastern Railway.

 *

Checking of design of bridge on river Bhagirathi of Azimganj-Jiaganj rail line (span-103.5m open web girder) Eastern Railway.

 *

Checking of design calculations of super-structure of proposed bridge no. 544 (OWG) over river Mahanadi on Howrah-Madras Section of Eastern Railway.

 *

Checking of bridge no. 20 (153.4m span open web girder) for Jammu-Udhampur rail link of Northern Railway.

 *

Checking of sub-structure of bridge No. 41 through type girder of Sealdah Division of Eastern Railway.

 *

Checking of 2nd bridge on Mahanadi river near Cuttack on Howrah-Bhubaneshwar Section, South Eastern Railway.

 *

Checking sub-structure of bridge across the river Ganga at Monger.

Checking of design of well foundations of a double line new bridge on river Brahmaputra at Bogibil near Dibrugarh on N.F. Railway. Note ? Further proof checking work has been stopped in compliance to Railway Board letter No.2005/CE-I/BR-II/8 dated 02-04-2009.

iii) CONSULTANCY AND INVESTIGATIONS

 

Following are some of the important cases in which consultancy service was rendered to the Railways. In some of the cases investigations were also conducted to arrive at the cause of the problem

 

Strengthening of distressed Banking Setu.

*

Load tests on Hassan-Mysore gauge conversion project and Arsikere-Hassan section on Southern Railway.

*

Design of foot over bridges at Hazart Nizamuddin station, in connection with second entry and suggesting strengthening measures.

*

Design of open web MG girder of 45.7m for GC loading for bridge No.549 and 561 in Lumding-Dibrugarh section of NF Railway.

*

Mounting additional antenna on microwave tower at Ghaziabad, Srihind etc. for IRCOT.

*

Suitability of bearings for replacing bridge girder on Obra-Singrauli-Garwa section of Eastern Railway.

*

Design of suitability of composite girder bridge (1 x 12.9m) on Hospet-Bellary section of S.C. Railway.

*

Analyzing the existing microwave towers for mounting additional antennae of Western Railway.

*

Second railway bridge across river Birupa of Neergundi-Cuttak section of S.E.Railway.

*

Cracks in bottom chord of open web girder of 30.5m span on Western Railway

*

A case of cracks appearing in bottom chord of 30.5m span open web girder was referred to RDSO. Necessary corrective actions to be taken by Western Railway were advised.

 *

Design of steel girder bridges of span 30.5m & 45.7m on NJP-SGUJ-NBQ gauge conversion project of N.F. Railway

*

Design of 30.5m & 45.7m span steel open web girders to MGML was checked for GC loading and strengthening measures to be taken were suggested to NF Railway.

 *

Replacement of pendulum bearing of Jubilee bridge in Howrah-Bandel section of Eastern Railway

*

Problem of cracks in steel channel sleepers on South Central Railway.

*

Problem of cracks in Bridge No.533 & 557 of Khurda Road Division of South Eastern Railway.

*

Cracks on top flange of underslung girder bridge no. 335 (up and down )in CNI-KZU section of S.E. Railway.

*

Development of cracks in stringers of Br.No.78 on river Gandak on Sonpur Hizipur section of N.E. Railway.

*

Investigation of distressed Bankim Sethu ROB at Howrah

*

Distressing of Bankim Sethu ROB at Howrah was investigated by RDSO and a report covering causes of development of defects and suggested future course of action was prepared and sent to Railway Board and Eastern Railway.

 

Collapse of 76.2m span through girder of bridge N0.7 on Obra-Sigrauli section of Eastern Railway

*

The cause of collapse of the girder was investigated by a committee consisting of ED/B&S/RDSO, CBE/E.Rly. and Sr. Professor/IRICEN/Pune and report submitted to Railway Board.

* 

Inspection of bridge No.4 over river Damodar on proposed Phusro-Jarandhi diversion line of Eastern Railway.

*

Modification to 136 ft. span open web girder of Br.No.20 on LDH-ASR section of N. Rly.

*

Design criteria for steel triangulated girder of 154m span of Br.No.20 on Udhampur-Katra new line.

*

Rebuilding of bridge No. 325 on UMB-LDH section of N. Railway:

*

Substructure which developed several cracks on pier and pile cap in newly built bridge No.4 on Phusro-Jarandih diversion line of E. Rly.

*

Substructure and foundation of BR.No.406 on Budhaval-Barabanki section and Br. No.11 HJP-BCW section of N.E. Rly.

*

Elastomeric bearing provided on Balawali-Moradabad-Saharanpur section of N. Rly.

*

Design of proposed bridge No.1249 across river Krishna on Wadi-Guntakal section

iv)

SPECIFICATIONS, CODES AND MANUALS

 

REVISION OF CODES & MANUAL

*

Concrete Bridge Code has been revised. The revised code incorporates the "Limits State Method" of design.

 *

Hindi version of Bridge Rules issued.? It was available in English only.?

 *

Hindi version of Arch Bridge Code issued.? It was available in English only.?

*

Revision of IRS Welded Bridge Code: The revision work was completed and the same was discussed in extra-ordinary meeting of BSC.

*

Revision of IRS Specifications for Fabrication & Erection of Girders (B-1/79): The specifications for fabrication & erection of girders has also been revised and discussed in extra-ordinary meeting of BSC. Committee’s recommendations are under approval of Railway Board.

V)

INSPECTION:

*

Open web girders fabricated by Railway Workshops and welded girders, fabricated by Railway workshops as well as trades, are inspected by RDSO.

*

The year wise position of inspection of open web and welded girder for the last 10 years, is given below:

 

 
   Year Open Web Girders (t) Welded girders (t) Total
  1996-1997 1338 806 2144
  1997-1998 2049 691 2740
  1998-1999 2346 690 3036
  1999-2000 2555 1155 3710
  2000-01 3650 750 4400
  2001-02 2505 256 2761
  2002-03 2321 284 2605
  2003-04 4132 2905 7037
  2004-05 2557 2356 4913
  2005-06 4213 6521 10734
  2006-07 6563 3400 9963
  2007-08 4952 3811 8763
  2008-09 11075 3931 15006

   



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