(a) Plans and specifications.

1. (1) The owner or authorized agent of a semi-public water system shall submit two (2) complete sets of engineering plans and specifications to, and receive written approval of, the Department of Health, before constructing or entering into a contract to construct a water supply, water treatment plant and/or distribution system, or any alterations thereto.
2. (2) Therefore, such engineering plans and specifications must be adhered to unless deviations are submitted to, and receive written approval of, the department.

(b) Extensions to existing distribution.

1. (1) If the engineering plans are solely for the extension of an existing distribution system, only such information as is necessary for a clear understanding of the proposed extension will be required.
2. (2) This information must, in general, conform to the requirements for a complete system.