B. Maximum spacing between hydrants shall not exceed 91 m (300 ft). Locate such that any
portion of the exterior of any building shall be within 91 m (300 ft ) of a hydrant, with
consideration given to accessibility and obstructions. Nominal distance between a fire hydrant
and the building fire department connection shall be 15 m (50 ft).
C. Wet barrel hydrants are preferred where piping is not subject to freezing.
D. Valve all hydrant connections at the supply main.
E. Locate hydrants adjacent to paved areas, no closer than 900 mm (3 ft) and no farther than 2
m (7 ft) from roadway shoulder or curb line, accessible to fire department apparatus. Barrels
shall be long enough to permit at least 460 mm (18 in) clearance between center of pumper
connection and grade. Pumper connection shall be perpendicular to street to allow straight
line connection to pumper.
F. Protect hydrants located adjacent to parking areas or other vehicle traffic areas by bollards.
G. Design site grading for surface drainage away from hydrant.
H. Mark hydrants to comply with NFPA 291 if local fire department has no preference.
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