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| Type | Commercial Circular |
|---|---|
| Topic | general |
Class of ODC shall be decided for each block section or set of such block sections, based on clearance between the consignment and the fixed structure profile, as available in that block section.
<!-- Slide number: 1 --> # ISMD / ODC Ref :- S.R. 4.28 W T T Compiled by : - S VELRAJ, MDZTI, DWR <!-- Slide number: 2 -->  ISMD - Infringing of Standard Moving Dimension ODC- Over Dimensional Consignment If the Consignments loaded upon a Wagon would infringe the Max Standard Moving Dimension (S.R. 4.28) at any point on its entire route, it is called ODC Load. <!-- Slide number: 3 --> <!-- Slide number: 4 --> # Maximum moving dimensions (S.R 4.28) | Description | Broad Guage (meter) | | --- | --- | | Height overall from level of rails at the center | 4.115 | | Height overall from level of rails at sides | 3.505 | | Maximum width | 3.200 | | | From 1.143 m above rail level | <!-- Slide number: 5 --> # CLASSES OF ODC | S.No | Description | A | B | C | | --- | --- | --- | --- | --- | | i) | Gross Clearance | ≥9” | <9” upto 6” | <6” upto 3” | | ii) | Net Clearance | ≥6” | <6” upto 3” | <3” | | iii) | Sanctioning Authority | Within Division-DRM, Inter Division-PCOM | P C E | CRS | | iv) | Speed | 75 Kmph | 40 Kmph | 25 Kmph | | v) | Day / Night | Day or Night | Day or Night | Day only | | vi) | Escort | -- | PWI, TXR/OHE, TI/Spl Guard | SSE(C&W), SSE(P.Way),TI | <!-- Slide number: 6 --> # ELECTRIFIED SECTION | Clearance from Contact Wire | Speed | | --- | --- | | ≥ 390 mm | No Speed Restriction | | Between 390 mm & 340 mm | 15 Kmph | | ≤ 340 mm up to 100 mm | 15 Kmph, OHE switched off | | < 100 mm | Not Permitted | <!-- Slide number: 7 --> <!-- Slide number: 8 --> <!-- Slide number: 9 --> # General Conditions <!-- Slide number: 10 --> # Duties of guard in case of ODC Trucks loaded with girders, machinery, long timber etc. be inspected by guard at stopping stations. If fastenings slackened or the loads shifted, they shall be re-secured before the train to proceed or else the trucks detached. <!-- Slide number: 11 --> # Railway Board Circular 2014/CEDO/SR/04 dated 20/10/14 Class of ODC shall be decided for each block section or set of such block sections, based on clearance between the consignment and the fixed structure profile, as available in that block section. ODC of a particular Class (A,B or C) in a particular section can be of other class (A,B or C) in other sections of IR and, therefore the authority for sanction, MPS & the required escorting gets changed accordingly. <!-- Slide number: 12 --> # Railway Board Circular 2014/CEDO/SR/04 dated 20/10/14 ODCs move at restricted speed along with related escort provisions for ‘B’ or ‘C’ class ODCs only at such few block sections, where it is categorized as ‘B’ or ‘C’ class and for remaining BSs or sections, such ODCs may be permitted to run at sectional speed as per requirement for “A” class ODCs where gross clearance is >9” (22.86 cm). <!-- Slide number: 13 -->     Not tied properly and there are chances for entanglement.  <!-- Slide number: 14 -->      <!-- Slide number: 15 -->     Plates out of BRN body, No vertical strapping, No side arm support  <!-- Slide number: 16 --> # Thank You Any Questions please ?
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