Page 202 - IRSEM_Main Book

(b) Senior Section Engineers/(incharge) and Sectional Senior Section Engineers/
Junior Engineer (Signal) shall be supplied with copies of the above mentioned
drawings and charts.

(c) At stations provided with centralised operation of points and signals, a set
of signalling interlocking plans, locking/selection tables/route control chart,
locking diagrams and wiring diagram, cable route plan etc. may be kept at
the station for reference by the maintenance staff.

(d) While signalling interlocking plans, Locking table/Section table/Route control
chart and wiring diagrams shall be supplied by Headquarters Office, other
plans mentioned in Para 8.1.8 shall be issued by Deputy Chief Signal &
Telecommunication Engineer (Construction) or Senior Divisional Signal &
Telecommunication Engineer (maintenance) as the case may be. Signalling
interlocking plans for non-interlocked stations shall be prepared by Deputy
Chief Signal & Telecommunication Engineer (Construction) or Senior
Divisional Signal & Telecommunication Engineer (maintenance) as the case
may be.

8.1.9 Care and File of Tracings

(a) Tracings shall not be used for reference as they are likely to get lost or
damaged. Required number of prints taken from scanned tracing should be
supplied to Officers and JE/SSEs. Each particular file should contain a print
taken from scanned tracing of the works relating to it.

(b) Should it be necessary to send a tracing from one office to another, it shall
be rolled and inserted in a cardboard cylinder.

(c) Print from scanned tracing should be folded in concertina fashion and shall
when folded measure approximately 210 mm x 300 mm. The folding should
be arranged so as to make visible the title of the plan without unfolding the
plan. When prints are rolled for despatch, they should be rolled with the
working side outwards.

(d) The Records section of each Drawing Branch may file every tracing and
original drawing on the basis of the subject classification and the index card
filing system. Each drawer of the index card cabinet should be distinguished
by a classification number: each card should be complete as regards title of
the drawing, other connected drawings, file reference and the drawer
number in which the original is stored.

(e) The storage-drawers should have placards on the outside indicating the
contents in each. The plans should be stored flat in shallow drawers of
convenient dimensions. Probability of damage by moths or white ants or fire
should be guarded against.

Chapter 8: Drawings & Specifications Page 169 of 535