OVER DIMENSIONAL CONSIGNMENT SR-4.28-3 STANDARD MOVING DIMENSION:-
Standard moving dimensions are prescribed to each gauge for safe conveyance of loads so that the load should not come in contact with the fixed structures like platform, signal post, OHE masts, Bridge, and Tunnels etc.
The consignment which, at any place during the course of its movement from its origin after loading to its destinations (including the change of Gauge) infringes the maximum moving dimension is called ODC/ISMD. Loads which infringe the standard moving dimension will not be dispatched without the sanction of the COM who will if necessary obtain the sanction of CRS through CE. On the basis of gross clearance (in standing position) and clearance the ODC are classified into three categories.
1. A-class ODC
2. B-class ODC
3. C-class ODC
- Distance between stable train and fixed stricture is called Gross clearance.
- Distance between running train and fixed structure is called net clearance.
MOVEMENT OF ODC IN ELECTRIFIED SECTION:
I. Special speed restrictions are not required when the gross is not required when the gross clearance is at least 390 mm. I
I. Speed must be restricted to 15kmph, when gross clearance is in between 390mm to 340mm.
III. Speed must be restricted to 15kmph and overhead power must be shut down when the gross clearance is less than 340mm.
IV. No consignment with less than 100mm gross clearance from the overhead contact wire will be permitted over the electrified section.
V. A representative of the traction department should also accompany all ODCs as specified in (II) and (III).
VI. A representative of the Traction Department should accompany all ODC, having width of more than 1981mm for BG and 1910mm for MG from the centre line of the track.
VII. Section controller and Traction Power controller must co-ordinate, while on ODC moves in an Electrified section.
VIII. A list of structure, where clearances are restricted on the electrical traction area and also clearance available under over bridges should be with the Section Controller and Traction Power Controller
PRECAUTIONS FOR THE MOVEMENT OF LOADS WITH ODC
1. For movement of ODC, consigner shall submit the particulars of the consignment like complete measurement, weight booking and destination station mode of loading and unloading, and sketch of the consignment.
2. Proper sanction must be obtained as per extant rule.
3. Such load shall be carried only on the specified route.
4. Loco yards, goods sheds transshipment (TP) sheds and high level platforms should be avoided.
5. Passenger Trains should not carry ODC consignment.
6. B class and C class ODCs shall not be crossed in the same section on double line.
7. ‘ODC’ should be written on the pocket level.
8. Vehicle loaded with ODC must be kept in the center.
9. ODCs should be carried in through trains without any shunting enroots.
10. Loose shunting, rough shunting of ODC wagon is prohibited.
11. The speed of the special train with BWL wagon will be 30 kmph and it shall be booked beyond the Indian Territory.
12. There should be at least 6 goods wagon between BWL wagon and engine.
13. It there is a banking engine is attached behind the BWL than there should be at least 6 goods wagon between Banking Engine and BWL.
