Page 357 - IRSEM_Main Book

(g) Power supply equipment shall be installed in a Gate goomty. In RE areas,
Up AT, Dn AT in Double line or single AT in Single line shall be provided
along with local power supply. In Non-RE areas, Local power supply,
Generator supply, Solar power supply shall be provided.

(h) Road user signal shall be provided to indicate whether the gate is closed or
open. While closing/opening the Electric lifting barrier, a hooter shall sound
and road user signal shall exhibit red. In closed condition of ELB, the hooter
shall stop and road user signal shall display steady red. In open condition of
ELB, the road user signal shall display steady yellow.

(i) At least two types of operations should be provided i.e. Power operation
and Manual Cranking operation. Hand Generator operation type may also
be provided where feasible.

Section 3: Maintenance of LC Gates

14.3.1 Maintenance of Mechanical Lifting Barrier (MLB)

(a) All moving parts shall be properly lubricated.

(b) Gears, rope drums and wire rope shall be doused with soft grease.

(c) Cleaning of rodding and wire transmission should be done properly.
Cleaning of all pipes and ducts to prevent obstruction by accumulation of
dirt shall be ensured.

(d) All bolts and nuts shall be tightened and split pins shall be split properly.

(e) Worn out pins, if any, in the crank shall be replaced.

(f) It shall be ensured that both the booms are parallel in open condition.

(g) Proper adjustment of wire sag and tension shall be made.

(h) Integrity of interlocking and boom locking shall be checked.

(i) Rusty wires and rodding shall be replaced.

(j) It shall be ensured that 'E' type lock which locks the winch should also lock
winch handle in closed position of barrier.

(k) All gate locking apparatus must be examined regularly and working parts
kept oiled. Gate locks must be kept in good working order.

(l) Proper working of audio/visual warning shall be ensured.

Chapter 14: LC Gates Page 308 of 535