Idaho Administrative Code › Title IDAPA 58 - Environmental Quality, Department of › Rule 58.01.08 - IDAHO RULES FOR PUBLIC DRINKING WATER SYSTEMS › Section 58.01.08.503 - FACILITY AND DESIGN STANDARDS: PRELIMINARY ENGINEERING REPORTS

Current through August 31, 2023
See the definition of Preliminary Engineering Report in Section
				003. Preliminary engineering
				reports are required for all new water systems or material modifications to
				existing water systems that require plan and specification review and approval
				pursuant to Subsection
				504.03. The preliminary
				engineering report shall be in conformance with the approved facility plan or
				shall describe any modifications to the facility plan. Preliminary engineering
				reports must be completed for all major water system projects including, but
				not limited to, source, pump station, pressure control, storage, and treatment
				projects. Preliminary engineering reports are not required for simple water
				main extensions that are approved in accordance with Subsections
				502.01.a. or 502.01.b.
				(3-24-22)
01.
Submittal to
			 Reviewing Authority
. Preliminary engineering reports shall be submitted
			 to the Department for review and must be approved by the Department prior to
			 the submission of plans and specifications. The Department may allow well
			 construction plans and specifications to be submitted concurrently with a
			 preliminary engineering report for these projects. (3-24-22)
02.
Seal Required
. Preliminary
			 engineering reports submitted to the Department shall bear the imprint of an
			 Idaho licensed professional engineer's seal that is both signed and dated by
			 the engineer. The Department will accept the seal and signature of an Idaho
			 licensed professional geologist on preliminary reports for well source, spring
			 source, or infiltration gallery site reports, and for well construction.
			 (3-24-22)
03.
Preliminary
			 Engineering Report Contents
. The preliminary engineering report must
			 include sufficient detail to demonstrate that the proposed project meets
			 applicable criteria. The items included in Subsections
			 503.03.a. through 503.03.e.,
			 and all applicable issues and items specifically required in Sections
			 500 through
			 552, shall be addressed in detail.
			 As required, a preliminary engineering report shall also identify and evaluate
			 drinking water related problems, assemble basic information, present criteria
			 and assumptions, examine alternative solutions with preliminary layouts and
			 cost estimates, offer a conclusion with a proposed project, and outline
			 official actions and procedures to implement the project. If specific items in
			 Subsections 503.03.a. through 503.03.e.
			 are not applicable to a particular design, then the designer shall state this
			 in the preliminary engineering report and state the reason why it is not
			 applicable. Items adequately addressed in the facility plan under which the
			 project is being designed may be addressed by reference for purposes of the
			 preliminary engineering report. (3-24-22)
a.
			 All preliminary engineering reports shall include items in Subsection
			 503.03.a. and the applicable
			 items from Subsections
			 503.03.b. through 503.03.e.
			 (3-24-22)
i. General information. The
			 preliminary engineering report general information shall include, but is not
			 limited to: (3-24-22)
(1) Project
			 description. A detailed description of the proposed project;
			 (3-24-22)
(2) Site selection. A
			 general description of the location of the project and justification of the
			 site selection; (3-24-22)
(3)
			 Access and utilities. A general discussion of adequacy of local roadways and
			 availability of power or other utilities; (3-24-22)
(4) Surrounding land use. A general
			 discussion of surrounding land use, including any potential sources of
			 contamination; and (3-24-22)
(5)
			 Security. A general discussion of planned security features such as fencing,
			 lighting, alarm systems, etc. (3-24-22)