Found it on a Colorado green building  site.
 The provisions of this code are not intended to  prevent the installation of any material or to prohibit any design or method of  construction not specifically prescribed by this code, provided that any such  alternative has been approved. An alternative material, design or method of  construction shall be approved where the building official finds that the  proposed design is satisfactory and complies with the intent of the provisions  of this code, and that the material, method or work offered is, for the purpose  intended, at least the equivalent of that prescribed in this  code.
 Whenever there is insufficient evidence of  compliance with the provisions of this code, or evidence that a material or  method does not conform to the requirements of this code, or in order to  substantiate claims for alternative materials or methods, the building official  shall have the authority to require tests as evidence of compliance to be made  at no expense to the jurisdiction...
 I'm going to need the services of an engineer . . .  does anyone know of a papercrete experienced engineer?  I can use Chris  Zweifel, but he's monolithic, ferrocement, not adobe or papercrete.
 ElfN
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