Table 2 House No. Avg. External uR/hr Interior Floor uR/hr Interior ‘ + 3 £t. uR/hr Reduction Factor Floor + 3 ft. Slab only 6 6A 12.5 11.75 9 8 9 8 Average 28% 32% 28% 32% 30% 30% Slab & walls 5 5A 7 8 8A 9 18 19 20 204 208 22 24 25 26 9.5 10.75 21 32.75 27.75 23.25 13.25 16 14.25 18.75 15 38.75 27.75 26.75 24.25 7 7 11 12 14 10 7 9 9 ll 7 17 14 14 15 7 7 11 12 14 10 9 10 10 12 9 20 a) 15 15 26% 35 48 63 48 58 ‘47 44 37 4l 33 56 50 48 38 Average 46% 26 35 48 63 48 58 32 - 38 30 36 40 48 46 44 38 42%,