S TABLE 11 ° Costs og Pusiic anp FaMILr SHELTERS 7 Cost = _~ Firm or source B Cleveland Twist > 3 . Shelter type Public, Occupants Space ove, 3oft AC 2000 10 Public, below grade 40 Public, below grade Drill Co. below grade FcpA (Fig. 42) Ammann and Whitney Co. er Facilities enrae Psi : 25 major 170 metro ‘dollars cities, billions of dollars billions of dollars Shelter, Per oce, of dollars areas, Remarks Toilets, self- 100 300 150 9 12 6 Ventilation, self-contained power, sand-filled escape passage 100 15-16 375-400 22-24 ‘ 32-34 100 6 Ventilation, self-contained 100 25-30 250-300 15-18 22-26 — 14,000 (long stay) 10 Ventilation, self-contained power, — crude toilets 100 875 62.50 3.6 5.3 Company estimates entire urban population could be sheltered for $8 billion 6 6 10-15 9 150 ¥ 12 6-10 Varies Power, crude toilet Toilet facilities §-10 5 50-83 3-5 4-7 Tested at given overpressures Reinforced concrete provided during con- 5 15 35 2.1 3.0 Overpressures built up inside shelter during tests, dummies damaged ; Ps contained power, forced filtered air 7 Actually built and in use Only public shelter subjected to provingound test; sand. led shaft attenuates radiation while still providing emergency egress 3 7 " American Machine Public, and Foundry Co. dome type, below grade Fi a > 1 a e E. Lehigh University cs i i is FCDA Family, underground, 90-in. pipe 4-5 7 ie ne Portland Cement Association Reinforcedconcrete firststory floor 150 10 None 5-10 1 127.00 7 1.6 Can be provided only in new construction Community redoubt 20,000 10 1000 10,000 500-625 30-39 43-53 —_ Corrugated Varies 10 Ventilation, self-contained power, toilets None 22 Varies 40-60 2.4-3.6 3.4-5.1 — Portland Cement Association i 7 Ba — 6S Se ereko Se ooeS ae Stanford Research Institute Family, underground Family, bathroom power metal arch struction of home Sitting or None standing space only