N.M. Code R. § 14.7.4.8
B. Allowable wall heights for earthen structures. All earthen structures whether adobe, burned adobe, compressed earth block, rammed earth or terrón, shall conform to table 1. For purposes of using table 1, height is defined as the distance from the top of the slab or top of stem wall to the underside of the bond beam.
Table 1 ALLOWABLE WALL HEIGHTS FOR EARTHEN STRUCTURES Maximum Sds Wall Thickness Maximum Height Maximum Sds Wall Thickness Maximum Height .25 10 120” .3 10 120” 12 128 12 128 14 144 14 144 16 144 16 144 18 144 18 144 24 144 24 144 .35 10 120” .4 10 120” 12 128 12 128 14 144 14 144 16 144 16 144 18 144 18 144 24 144 24 144 .45 10 104” .5 10 96” 12 128 12 112 14 144 14 136 16 144 16 144 18 144 18 144 24 144 24 144 This table is based on two story maximum, one and two family residential with seismic soil site class D1. NOTE: Sds can also be referred to in the IRC Section R301.2.2.1 determination of seismic design category.
Table 1 ALLOWABLE WALL HEIGHTS FOR EARTHEN STRUCTURES
Maximum Sds
Wall Thickness
Maximum Height
Maximum Sds
Wall Thickness
Maximum Height
.25
10
120”
.3
10
120”
12
128
12
128
14
144
14
144
16
144
16
144
18
144
18
144
24
144
24
144
.35
10
120”
.4
10
120”
12
128
12
128
14
144
14
144
16
144
16
144
18
144
18
144
24
144
24
144
.45
10
104”
.5
10
96”
12
128
12
112
14
144
14
136
16
144
16
144
18
144
18
144
24
144
24
144
This table is based on two story maximum, one and two family residential with seismic soil site class D1.
NOTE: Sds can also be referred to in the IRC Section R301.2.2.1 determination of seismic design category.
[14.7.4.8 NMAC - Rp, 14.7.4.8 NMAC, 11/15/2016; A, 07/14/2023]