Suggested best practices for architects and other design professionals
As the construction industry works to develop standards for construction tolerances related to specific materials and applications for accessible surfaces, design professionals must also work to minimize problems caused by tolerance issues. In fact, one of the easiest ways to avoid problems is to design construction elements that take the reality of construction tolerances into account.
Design professionals have the tools with existing construction practices to minimize problems with construction tolerances. It is simply a matter of clearly communicating four things: (1) what is wanted, (2) the standards used, (3) how compliance will be verified, and (4) what the result of noncompliance will be. Of course, if industry standards do not exist, the architect or designer must create their own for each project. The following suggestions describe how design, drawings, specifications, pre - construction meetings, and construction observation can be used in this effort. In some cases, designers can use these tools as they exist. In other cases only slight changes may be required to adapt them to communicate and achieve accessibility requirements.
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