Page 292 - IRSEM_Main Book
P. 292
12.7.4 Record of Painting
(a) Each SSE/JE (Signal) shall maintain a Painting Register, one page or
more being allotted to each station or cabin on his section. Record of the
painting work done with dates of commencing and completing the work
shall be regularly entered in this register.
(b) Each SSE/JE (Signal) shall also record the date of painting with
particulars of the programme carried out in the Signal Incidences Book
maintained at each station. This should be done on the very first
inspection by him after painting work has been completed.
12.7.5 General Instructions on Paints/Painting
(a) Storage: Paint shall be stored in a cool dry place away from flame or
naked light.
(b) All containers shall be kept securely closed when not in use, to avoid loss
of material due to skinning and contamination. Paints, especially quick
drying paints, shall not be left open to the atmosphere.
12.7.6 Mixing of Paints
(a) Paints from pigments and pastes shall be prepared in accordance with
standard specifications.
(b) Linseed oil or turpentine shall not be added to ready mixed paints. Mixing
of kerosene with paints is forbidden.
12.7.7 Painting of Steel Works
(a) The surface of metal shall be clean and free from dirt, scale, deteriorated
old paint and rust and shall be perfectly dry before application of paint.
Painting shall be done preferably during dry weather.
(b) For a new steel work, three coats of paints shall be applied. First coat
shall be 'Red Lead', the second 'Red Oxide' and the third of the specific
paint recommended for the structure. When repainting a structure, if the
old paint does not show any signs of blistering, scaling or cracking, it need
not be scraped off. It may be used as foundation for the new coat.
(c) When there are patches of blistering, scaling or cracking, these patches
shall be cleaned down to the steel and treated in a manner as
recommended for a new structure.
(d) The surface of metal shall be cleaned by scraping, chipping or scrubbing
with brickbats. No chemical of any kind shall be used. Old paint may be
burnt, if necessary and then scraped off.
(e) Paint shall be applied with brushes and spread evenly, smoothly and as thin
as possible. Rags or waste cotton shall not be used for the application of paint.
(f) Brushes shall be thoroughly cleaned in proper driers after use.
Chapter 12: Installation, Testing & Maintenance of Mechanical Signalling Equipment Page 246 of 535