DESIGN AND CONSTRUCTION GUIDANCE FOR COMMUNITY SAFE ROOMS. FEMA P-361, SECOND EDITION, AUGUST 2008

Comparison of Debris Impact Test Requirements for Tornadoes and Hurricanes

Tornado Safe Room Missile Testing Requirements

GUIDANCE, CODE, OR STANDARD CRITERIA FOR THE DESIGN MISSILEHORIZONTAL DEBRIS IMPACT TEST SPEED (MPH)LARGE MISSILE SPECIMENMOMENTUM AT IMPACT (LBF-S)+ENERGY AT IMPACT (FT-LBF)+
DOE-STD-1020-200225 mph3,000-lb auto3,24067,710
75 mph75-lb pipe25714,110
150 mph (maximum)15-lb 2×410311,288
100 mph (maximum)15-lb 2×4685,017
FEMA 320/FEMA 361100 (maximum)15-lb 2×4685,017
80 (minimum)15-lb 2×4553,210
ICC-500 Storm Shelter Standard100 (maximum)15-lb 2×4685,017
80 (minimum)15-lb 2×4553,210
IBC/IRC 2006, ASCE 7-05, Florida and North Carolina State Building Codes, ASTM E 1886/E 1996N/ANoneN/AN/A

Hurricane Safe Room Missile Testing Requirements**

GUIDANCE, CODE, OR STANDARD CRITERIA FOR THE DESIGN MISSILEHORIZONTAL DEBRIS IMPACT TEST SPEED (MPH)LARGE MISSILE SPECIMENMOMENTUM AT IMPACT (LBF-S)+ENERGY AT IMPACT (FT-LBF)+
DOE-STD-1020-20025015-lb 2×4341,254
FEMA 320/FEMA 361128 (maximum)9-lb 2×4534,932
80 (minimum)9-lb 2×4331,926
ICC-500 Storm Shelter Standard102 (maximum)9-lb 2×4423,132
64 (minimum)9-lb 2×4261,233
Florida State Emergency Shelter Program (SESP) Criteria and EOC Design Criteria50 (EOC recommended)15-lb 2×4341,254
55 (EHPA recommended)9-lb 2×423911
34 (EHPA minimum)9-lb 2×414348
IBC/IRC 2006, ASCE 7-05, Florida and North Carolina State Building Codes, ASTM E 1886/E 1996**559-lb 2×423910
349-lb 2×414348

+ lbf-s = pounds (force) seconds and ft-lbf = foot pounds (force)
** Hurricane missile testing requirements in these codes and standards only apply in the windborne debris regions (defined in the code/standard) and not throughout the hurricane-prone region
N/A = Not applicable

Wind & impact testing performance map