1. SCOPE: This standard presents graphic symbols for plumbing fixtures for use on drawings created by architects, engineers and plumbing contractors. Included in Section 5 are symbols for the more common fixtures found in the average building. Included in Section 6 are symbols for the special types of fixtures utilized in hospitals and institutions. 2. PURPOSE: By the use of these symbols on their plans, designers and builders will have a uniform method for indicating plumbing fixtures and related items. Drawings will thus be more concise and more easily understood.