ATC Construction Class Codes

0

100

Unknown

1

101

Wood Frame (Low Rise)

2

152

Light Metal (Low Rise)

3

132

Reinforced Concrete Shear Wall with Moment-Resisting Frame (Low Rise)

4

132

Reinforced Concrete Shear Wall with Moment-Resisting Frame (Medium Rise)

5

132

Reinforced Concrete Shear Wall with Moment-Resisting Frame (High Rise 8+Stories)

6

133

Reinforced Concrete Shear Wall without Moment-Resisting Frame (Low Rise)

7

133

Reinforced Concrete Shear Wall without Moment-Resisting Frame (Medium Rise)

8

133

Reinforced Concrete Shear Wall without Moment-Resisting Frame (High Rise 8+ Stories)

9

118

Reinforced Masonry Shear Wall without Moment-Resisting Frame (Low Rise)

10

118

Reinforced Masonry Shear Wall without Moment-Resisting Frame (Medium Rise)

11

118

Reinforced Masonry Shear Wall without Moment-Resisting Frame (High Rise 8+ Stories)

12

153

Braced Steel Frame (Low Rise)

13

153

Braced Steel Frame (Medium Rise)

14

153

Braced Steel Frame (High Rise)

15

154

Moment-Resisting Steel Frame - Perimeter Frame (Low Rise)

16

154

Moment-Resisting Steel Frame - Perimeter Frame (Medium Rise)

17

154

Moment-Resisting Steel Frame - Perimeter Frame (High Rise)

18

134

Moment-Resisting Ductile Concrete Frame - Distributed Frame (Low Rise)

19

134

Moment-Resisting Ductile Concrete Frame - Distributed Frame (Medium Rise)

20

134

Moment-Resisting Ductile Concrete Frame - Distributed Frame (High Rise)

21

136

Tilt-Up (Low Rise)

23

191

Mobile Homes

24

201

Bridges - Multiple Simple Spans (less than 500 feet)

25

202

Bridges - Continuous/Monolithic (less than 500 feet)

30

203

Bridges - Major (greater than 500 feet)

31

227

Pipeline - Underground

32

228

Pipeline - At Grade

35

211

Dams - Concrete

36

212

Dams - Earthfill and Rockfill

38

213

Tunnels - Alluvium

39

214

Tunnels - Rock

40

215

Tunnels - Cut and Cover

41

221

Storage Tanks - Underground Liquid

42

222

Storage Tanks - Underground Solid

43

223

Storage Tanks - On Ground Liquid

44

224

Storage Tanks - On Ground Solid

45

225

Storage Tanks - Elevated Liquid

46

226

Storage Tanks - Elevated Solid

47

204

Railroad

48

205

Highway

49

206

Runway

50

231

Chimney - Masonry

51

232

Chimney - Concrete

52

233

Chimney - Steel

53

253

Cranes

54

254

Conveyor Systems

55

234

Towers - Electrical Transmission Lines (less than 100 feet)

56

235

Towers - Electrical Transmission Lines (greater than 100 feet)

57

236

Towers - Broadcast

58

237

Towers - Observation

59

238

Towers - Offshore

61

255

Canals

62

256

Earth Retaining Structures (over 20 feet high)

63

257

Waterfront Structures

64

241

Residential

65

242

Office (furniture, computers, etc.)

66

243

Electrical

68

244

Mechanical

70

245

High Technology and Laboratory

72

155

Moment-Resisting Steel Frame - Distributed Frame (Low Rise)

73

155

Moment-Resisting Steel Frame - Distributed Frame (Medium Rise)

74

155

Moment-Resisting Steel Frame - Distributed Frame (High Rise)

75

114

Unreinforced Masonry - Bearing Wall (Low Rise)

76

114

Unreinforced Masonry - Bearing Wall (Medium Rise)

78

115

Unreinforced Masonry - Load Bearing Frame (Low Rise)

79

115

Unreinforced Masonry - Load Bearing Frame (Medium Rise)

80

115

Unreinforced Masonry - Load Bearing Frame (High Rise)

81

137

Precast Concrete - Other Than Tilt-Up (Low Rise)

82

137

Precast Concrete - Other Than Tilt-Up (Medium Rise)

83

137

Precast Concrete - Other Than Tilt-Up (High Rise)

84

117

Reinforced Masonry Shear Wall - with Moment-Resisting Frame (Low Rise)

85

117

Reinforced Masonry Shear Wall - with Moment-Resisting Frame (Medium Rise)

86

117

Reinforced Masonry Shear Wall - with Moment-Resisting Frame (High Rise)

87

135

Moment-Resisting Non Ductile Concrete Frame - Distributed Frame (Low Rise)

88

135

Moment-Resisting Non Ductile Concrete Frame - Distributed Frame (Medium Rise)

89

135

Moment-Resisting Non Ductile Concrete Frame - Distributed Frame (High Rise)

90

246

Trains, Trucks, Airplanes, and Other Vehicles

91

181

Long Span