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| Type | Commercial Circular |
|---|---|
| Topic | reservation |
| Currency | Currency not verified |
Net Clearance: - The maximum clearance between consignment & fixed structure on
STC/KPA
1
OVER DIMENSIONAL CONSIGNMENT
INTRODUCTION:-
The transport of over dimensional consignment has increased considerably in
recent years. It has therefore become necessary to give wide publicity to the procedure in
vogue on the railway for arranging movement of such consignment. This circular should be
read in condition with the railway boards instructions issued from time to time & should be
understood by all the staff responsible for movement of oversize consignment.
MAXIMUM MOVING DIMENSIONS:-
i) Overall height at top centre
: 4115 mm
ii) Overall height of OHE from rail level
: 4470 mm
iii) Overall height at the side
: 3505 mm
iv) Overall width of eight wheeler
: 3250 mm
v) Overall width at maximum level at
top center
: 610 mm
vi) Floor height
: 102 mm
vii) Overall width at bottom
: 1600 mm
STC/KPA
2
Definition:-
Any consignment, which when loaded upon a wagon, would infringe the maximum
standard moving dimension that may be either in length, width and height, at any point, on the
entire route, from the booking station to the destination, including via break of gauge is called
an Over Dimensional Consignment (ODC).
TYPES OF CLEARANCES:-
There are two types of clearances:-
1. Net clearance
2. Gross clearance
1. Net Clearance: - The maximum clearance between consignment & fixed structure on
running condition will be known as “Net Clearance”.
2. Gross Clearance: - The net clearance between consignment & fixed structure in stationary
condition is known as “Gross Clearance”.
NOTE: Net Clearance is less than Gross Clearance.
CLASSIFICATION OF ODC:-
The ODC has been classified in three categories according to the minimum clearance
available between the consignment and minimum fixed structure profile.
I)
A- class ODC
II) B- class ODC
III) C- class ODC
I) ‘A’ Class: The consignment which has a gross clearance of 9 inches and above from the fixed
structures and infringes the standard moving dimensions, is classified as A-Class ODC.
a) Sanctioning Authority : Within Division - DRM
Inter Division of the same zone - COM
Inter Railway - COM of the zone and COM of concerned Rly.
b) Speed restriction : En route -- Sectional Speed
Yard, turn out stations – 8 kmph
While passing fixed structures – Dead slow
STC/KPA
3
c) Movement : During day & night
d) Escorting : Not required
II) ‘B’ Class: The consignment which has a gross clearance of 6 inches and above from the fixed
structures but below 9 inches, is classified as B-Class ODC.
a) Sanctioning Authority : Within Division - DRM
Inter Division / Foreign Railway - COM
b) Speed restriction : En route -- 40 kmph
Yard, turn out stations – 8 kmph
While passing fixed structures – Stop/move
c) Movement : During day & night
d) Escorting : During night
e) Escorting Staff : TXR
III) ‘C’ Class: The consignment which has a gross clearance of less than 6 inches from the fixed
structures but not less than 4 inches, is classified as C-Class ODC.
a) Sanctioning Authority : CRS
Speed restriction : En route -- 25 kmph
Yard, turn out
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