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) Flat roof Urban 17,055 6.27<br />
Rural 7,895 2.90<br />
Total 24,950 9.17 VL L VL<br />
Total<br />
Category-B<br />
CATEGORY-<br />
B<br />
80,445 29.56<br />
C1. Concrete<br />
Wall<br />
a) Sloping<br />
roof<br />
Urban<br />
Rural<br />
Total<br />
1,015<br />
710<br />
1,725<br />
0.37<br />
0.26<br />
0.63 NIL M VL<br />
b) Flat roof Urban 1,815 0.67<br />
Rural 1,050 0.39<br />
Total 2,865 1.05 NIL VL VL<br />
C2. Wood Urban 1,120 0.41<br />
Wall Rural 1,070 0.39<br />
(all roofs) Total 2,190 0.80 NIL M VL<br />
C3. Ekra Wall Urban - -<br />
(all roofs) Rural 15 0.01<br />
Total 15 0.01 NIL M VL<br />
Total<br />
Category-C<br />
6,795 2.50<br />
CATEGORY-<br />
X<br />
X1- GI and<br />
other Metal<br />
sheets<br />
(all roofs)<br />
Urban<br />
Rural<br />
Total<br />
1,090<br />
455<br />
1,545<br />
0.40<br />
0.17<br />
0.57 NIL M VL<br />
X2- Bamboo, Urban 5,835 2.14<br />
Thatch, Rural 25,190 9.26<br />
Grass, Leaves<br />
etc.<br />
(all roofs)<br />
Total 31,025 11.40 NIL H L<br />
Total<br />
Category-X<br />
32,570 11.97<br />
GRAND<br />
TOTAL<br />
272,155 100<br />
Building category Probable Maximum Precipitation in 24 hrs<br />
(MM) is 360<br />
Category-A: Buildings with field stone, rural structures, unburnt brick houses, clay houses Notes:<br />
Category-B: Ordinary brick building; buildings of the large block and prefabricated type, * Source:<br />
Census of Housing, GOI, 1991 half-timbered structures, building in natural hewn stone ** With<br />
Probability of more severe damage<br />
Category-C: Reinforced building, well built wooden structures under failure of protection works<br />
Category-X: Other types not covered in A, B, C. These are generally light.<br />
*** The local damage may be more severe under heavy rains<br />
Building Materials & Technology Promotion Council Expert Group, MOUA&E, GOI<br />
23
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