® Safety Showers & Eyewash products ANSI Z358.1 2014 KEY POINTS

The ANSI Z358.1 2014 standard establishes universal minimum performance and use requirements for emergency eyewash & drench shower equipment used for the treatment of the eyes, face, and/or body of a person who has been exposed to hazardous materials and/or chemicals. The standard, first implemented in 1981 was modified in 1990, 1998, 2004, 2009 & 2014.

Equipment covered by the standard includes: Drench showers, eyewash, eye/face wash, portable eyewash, and combination eyewash & drench shower. The standard also covers equipment performance and use of personal wash units and drench hoses, which are considered to be supplemental equipment to emergency eyewash and drench shower units. In addition to performance and use requirements, the ANSI Z358.1 standard provides requirements for test procedures, employee training, and the maintenance of the equipment.

Most of the standard has not changed much since 2004, but the following are the significant changes that have been made.

Tepid water: The requirements have been moved into the definitions section and are clearly defined with a range of 16°C - 38°C (60°F - 100°F).

Simultaneous Operation: Units which combine a drench shower with an eye/eye face wash must be capable of being used simultaneously.

Equipment Location: All emergency stations must be located in areas that are accessible within 10 seconds, roughly 17m (55ft) this is referred to by the industry as the “10 second rule”. Best practice is to check the travel time to determine if you have the emergency station located within 10 seconds, keeping in mind that an injured person may require extra time/support to reach the designated station. Where highly corrosive chemicals are used, thought should be given to installing the emergency station as close as possible to the potential hazard. Remember to check the routing of any electrical supply which might then be within the contamination zone.

Obstructions: Emergency stations must be located on the same level as the hazard and the pathway between them must be clear of any obstruction. If your site has a hazard that is located on a different level to your current emergency station, you will have to install an additional station on the same level as the hazard. Again there must be no obstructions between them. Please note that a door is classed as an obstruction, but if the hazard is non-corrosive, one door is acceptable between the hazard and the emergency station so long as it opens in the direction of travel of the person requiring its use.

Identification: Eyewash and drench shower stations must be installed in a well-lit area and identified with a highly visible safety signs.

Supply Lines: All water supply lines must be provided to meet minimum flow requirements at 30-90 psi. The recommended incoming pipe sizes are as follows: ½” for eyewash stations and eye/face wash stations 1” for drench showers 1¼” for combination eyewash drench showers

Shut-Off Valves: If shut-off valves are installed on the supply line for maintenance purposes, provisions must be made to prevent an unauthorised shut-off to ensure valves are always open.


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