Page 15 - Facility Management Module
P. 15
FACILITIES LOCATION
3. Place existing locations on a coordinate grid
a. Grid origin and scale is arbitrary
b. Maintain relative distances
4. Calculate X and Y coordinates for ‘center of gravity’
a. Assumes cost is directly proportional to distance and volume shipped
x x - - c co oo or rd di in na at te e = = i i∑ ∑d d i ix xQ Q i i
i i∑ ∑Q Q i i
Formula 2.3
y y - - c co oo or rd di in na at te e = = i i∑ ∑d d i iy yQ Q i i
i i∑ ∑Q Q i i
Formula 2.4
where dix = x-coordinate of location i
diy = y-coordinate of location i
Qi = Quantity of goods moved to or from location i
Example 2.3:
Find the centre of gravity for the figure 2.3
Figure 2.3: Places with coordinates
BPLK 7 SUBJECT CODE
