Page 196 - IRSEM_Main Book

8.1.4 Titles and Numbering of Drawings

(a) The title and number may be placed at the bottom right hand corner of the
plan, sufficient space being left for "Notes" to be entered as necessary.

(b) Drawings pertaining to any station, viz., Signalling Interlocking plans, Locking
Tables/Control Tables/Route Control Charts, Locking diagrams, wiring
diagrams etc. shall bear the same number SIP.SCR.GTL.VPL.Ø1.

(c) Document or Drawing type to have standard abbreviations such as SIP/RSP/
PD/ST/LT/RCC/WD etc. and for Electronic Interlocking Configuration Diagram
(EIC), Relay Disposition Chart (RDC), Inter-Rack Cable Schematic (IRC),
Earthing Arrangements (EAR), Equipment Rack Layout (ERL), Signal
Equipment Room Layout (SER), Station Master Room Layout (ASM), Power
Supply Room Layout (PSR), Interlocking Logic Circuit Diagrams(ILC),
Interface Circuits (IFC), Visual Display Units (VDU) etc. All plans/drawings
shall be version controlled & updated in the following manner:

(i) Any controlled drawing or document needs to be identified uniquely
and unambiguously.

(ii) Drawing number shall indicate document type, zone, division, station
and its version number.

(iii) Unique codes are to be assigned for zone, division and station and
document type.

(iv) Version number is of two digit number XX which can cater for 99
versions.

(v) Electronic record copies shall have the file names same as drawing
number.

(vi) Structure of the drawing number: Doc Type. Zone Code. Div Code.
Station Code. Version. For example, SIP of Venkatampalli (VPL)
Station, Guntakal (GTL) division of South Central Railway (SCR) may
have a drawing number -SIP.SCR.GTL.VPL.Ø1.

(vii) When drawings are having multiple sheets such as Interlocking Logic
Circuits, Interface Circuits etc., shall have an index sheet.

(viii) Structure of the drawing number where multiple drawing sheets are
involved - Index Sheet - Doc Type. Zone Code. Div Code. Station Code.
Version Sheet - Sheet#nnn. Version For example, Internal Circuit
diagrams of Venkatampalli (VPL) Station may have a drawing number
ILC. SCR.GTL.VPL.Ø1 Sheet#ØØ1. Ø1.

(ix) Drawing number for Part drawing or document sometimes, only part of
the drawing may be required for illustration or planning purpose. In such
cases, drawing may have suffix ‘.Part’. SIP.SCR.GTL.VPL.Ø1.Part.

Chapter 8: Drawings & Specifications Page 163 of 535