| Diameter of Hemisphere | 24 | 30 | 35 | 40 | 45 | Base Diameter at A (m) | 7.30 | 9.28 | 10.70 | 12.20 | 13.70 | Floor Area (sqm) | 40 | 66 | 87 | 113 | 143 | Roof Area (sqm) | 93 | 151 | 200 | 260 | 329 | Volume (cbm) | 131 | 256 | 406 | 606 | 864 | Height at B (m) | 6.11 | 6.93 | 7.52 | 8.14 | 8.94 | Height at C (m) | 1.40 | 1.77 | 2.04 | 2.33 | 2.62 | Height of Riser D (m) | 1.10 | 0.73 | 0.46 | 0.17 | 0.00 | Height of Opening C+ D (m) | 2.50 | 2.50 | 2.50 | 2.50 | 2.67 | Entrance Opening E (m) | 3.01 | 3.84 | 4.44 | 5.06 | 5.69 | | | | | |
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