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Miscellaneous Bulldings
Chapter 5

Figure 5-2. Undamaged Medical College building, Garha Road.

INDUSTRIAL FACILITIES
Many industries are located in the earthquake affected area, including three
major defense related and two telecommunications factories. The Ordnance Fac-
tory at Khamaria (OFK) is the oldest ordnance factory in the country. Its engineer-
ing shops suffered extensive damage resulting in closure of many units. At OFK,
among 1943 factory units, 59 were critically damaged and 239 received major
damage. Most of engineering sheds were either flat RC roofs or corrugated asbes-
tos sheets supported either on brick masonry walls or RC columns or a combina-
tion thereof. In-plane shear damage to masonry walls was most visible mode of
failure. The other common failure was that of gable walls. There were'flexure fail
ures of tall unbraced masonry walls. Out-of-plane damage to top portions of end
retaining walls for many of earthen dykes was observed. These earthen dykes
were constructed around the "filling" sheds to confine the damage in a case of
accidental explosion.

The Gun Carriage Factory (GCF) and the Vehicle Factory suffered relatively less
damage. At GCË, a significant amount of damage to gable walls of large indus
trial sheds was observed. Excessive vibration and noise was noticed while oper
ating overhead cranes in few sheds after the quake.

Jabalpur Earthquake of May 22, 1997 81