FIGURE 4, SPACING RULES UNDER PITCHED CEILINGS AND/OR OVERHANGS
S/2 =
ONE-HALF THE LENGTH OF THE COVERAGE AREA BEING HYDRAULICALLY CALCULATED (REF. TABLE A).
S
=
THE LENGTH OF THE COVERAGE AREA BEING HYDRAULICALLY CALCULATED (REF. TABLE A).
NOTE:
Figures 4-1 through 4-9 only apply when:
(a)
the ceiling ridge is horizontal;
(b)
the compartment openings to adjoining spaces have minimum lintel depths of 8 inches below the lowest sprinkler;
(c)
any adjacent sprinklers in the direction of the ceiling ridge are to be in a row which runs parallel to the ridge,
and the sprinklers are to be spaced a minimum of 8 feet apart;
(d)
the sprinklers are installed with their frame arms perpendicular to the ceiling ridge; and,
(e)
the sprinklers shown in Figures 4-1 through 4-8 are located in a plane which is perpendicular to the ceiling ridge,
and the ceiling angles are within the specified range.
STAR SPRINKLER
1-3.2.30
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OBSOLETE
