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Chapter 1.
1.2.5.
Suite Lines
These are the lines drawn parallel to the other datum line (one referred in
suite end line) perpendicular to suite end line and coincide with the periphery
of the Base mount Assembly.
1.2.6.
IOP Lines
These are the lines drawn parallel to one of the datum lines, and coincide
with the periphery of the IOP cabinet.
1.3.
MATERIAL & TOOLS REQUIRED
S. NO.
1.
2.
3.
4.
5.
6.
7.
8.
1.4.
MARKING PROCEDURE FOR SWITCH ROOM & IOP ROOM
1.4.1.
Marking of First Datum Line
Mark some points along the length of the room at a distance of 600mm from
the wall. Draw a line such that it passes through a maximum number of the
points. To draw the line, soak a silk string of required length in ultra marine
indigo or blue ink. Place it over the points by holding the string tightly at
both the ends. Pull the string from the middle and release it so that it leaves
an impression on the floor. This line is called the first datum line. Refer Fig.
1.1.
1.4.2.
Locating Reference Point
Mark a point on the first datum line at a distance of 600mm from the
adjacent wall. This point is called the Reference Point. Fix a brass screw at
the Reference point to mark it permanently. This point is denoted as `X' in
Fig. 1.1.
10
DESCRIPTION
T Square (1 meter)
One meter long flat steel scale
String (silk thread) for marking
Ultra marine indigo or Blue ink for temporary
marking
Highlight marking pens of black ink
Steel measuring tape of 15M length
Set Square
Brass Screws (2mm to 3mm with a cut on top)
QUANTITY
1
2
10 M
1
4 Kg
2
1
30
C-DOT DSS MAX-XL
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