A bid describes the requirement of the district accurately and completely in an attempt to describe materials in such a way as to enhance competition. Bids will be prepared in such a way as to avoid unnecessary restrictive specifications or requirements. Insofar as practicable, competitive formal sealed bids shall be used as standard procedures for all purchases, utilizing the following guidelines:
Wash. Admin. Code § 132F-164-020
Order 11, § 132F-164-020, filed 4/19/73.