Page 349 - IRSEM_Main Book

Chapter 14: LC Gates

Section 1: LC General

14.1.1 Codes: This chapter shall be read in conjunction with chapter III and Chapter
XVI of General Rules, Chapter 7 and Chapter 20 of SEM.

14.1.2 Classification of Level Crossings (Ref: Para 902, Chapter 9 of IRPWM)

The classification of road-rail surface level crossings shall be decided by the
Engineering Department as per para 902 (refer to IRPWM) of Indian Railways
Permanent Way Manual (IRPWM).

Level crossings are classified as under:

(a) Special class: For roads having TVU greater than 50,000.

(b) A Class: For roads having TVU between 50,000 and 30,000 or Line capacity
utilisation 80% (on single line section) and number of road vehicle more
than 1000.

(c) B Class – TVUs less than 30,000 and up to 20,000 and number of road
vehicles greater than 750.

‘B’ Class is further subdivided as following:

B1 class… TVUs less than 30,000 and up to 25,000

B2 class… TVUs less than 25,000 and up to 20,000

(d) C Class: All other Level crossings for road not covered in above classes.

Note: Please refer to chapter-9 of IRPWM, Para 902 & other Engg. Dept`s notifications
on latest norms

14.1.3 Categories of Level Crossing Gates

Gates can be broadly divided into the following categories:

(a) Non-Interlocked Gates, Interlocked Gates:

(i) Non-Interlocked Gates: These gates may be in the form of lifting
barriers or swing/ movable gates of approved design. These gates are
installed and maintained by engineering department. Communication
equipments of approved type are provided and maintained at such
manned gates by S&T department.

(ii) Interlocked Gates: At interlocked gates, interlocking and communication
equipment are provided and maintained by S&T department. These gates
are interlocked and protected with signals.

Chapter 14: LC Gates Page 300 of 535