When roof anchors are non-existent or exist in insufficient quantities around the periphery of the roof, window cleaners performing suspended maintenance work tend to improvise, sometimes with tragic consequences.

However, the ANSI/IWCA I-14.1-2001 Window Cleaning Standard states that in order for window cleaning operations to be conducted properly, buildings must have properly identified anchorage points that are designed and certified by a registered professional engineer and inspected annually by a competent person working under the direction of a professional engineer.

This engineering requirement, spelled out in the I-14 Standard, sponsored by the American National Standards Institute and the International Window Cleaning Association is typical of the requirements of OSHA, CSA, other standards bodies, and local authorities having jurisdiction, for all workers performing suspended maintenance work in connection window cleaning or other exterior building maintenance.

Pro-Bel, via expert structural, mechanical and civil engineering staff, meet the foregoing criteria and equipment performance is based on data derived from testing and/or engineering calculations.

The I-14 standard provides the best guidance and liability protection for construction professionals and building owners with regard to building and equipment design requirements.

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