OAR 690-020-0035
Minimum Engineering Requirements for Final Design of New Dams or to Increase Dam Height
(1)
Final documents must be submitted by the Engineer of Record prior to construction to build a new Dam or increase Dam Height as required in OAR 690-020-0080 (New Dams, or to Increase Dam Height, Written Approval by State Engineer). Design reports may be completed by Engineers other than the Engineer of Record. If multiple reports are submitted, each must be stamped by the Engineer who prepared the report.(2)
Final documents shall include:(a)
A plan for construction administration as provided in OAR 690-020-0065 (Plan Requirements for New Dams or to Increase Dam Height: Construction Administration);(b)
An operations and maintenance plan if required by OAR 690-020-0068 (Plan Requirements for New Dams or to Increase Dam Height: Operations and Maintenance Plan);(c)
An Emergency Action Plan for Dams rated High Hazard as provided in OAR 690-020-0400 (Emergency Action Plans (EAP));(d)
Final design drawings as provided in OAR 690-020-0055 (Design Requirements for New Dams or to Increase Dam Height: Design Drawings); and(e)
Final design reports.(3)
The final design report(s) must include the following elements:(a)
Site suitability evaluation as provided in OAR 690-020-0036 (Design Requirements for New Dams or to Increase Dam Height: Site Suitability and Geotechnical Evaluation);(b)
Hydrology and Inflow Design Flood as provided in OAR 690-020-0037 (Design Requirements for New Dams or to Increase Dam Height: Hydrology and Inflow Design Flood);(c)
Dam structure design as applicable and as provided in OAR 690-020-0038 (Design Requirements for New Dams or to Increase Dam Height: Embankment Dam Structures)–690-020-0041 (Design Requirements for New Dams or to Increase Dam Height: Concrete Dam Structures);(d)
Spillway design as provided in OAR 690-020-0042 (Minimum Design Requirements for New Dams or to Increase Dam Height: Spillways);(e)
Design for penetrating Conduit(s) as provided in OAR 690-020-0043 (Design Requirements for New Dams or to Increase Dam Height: Penetrating Conduit(s) and Control of Flow through Conduits);(f)
Monitoring and instrumentation for determining whether a Dam is operating properly based on the Hazard Rating of the Dam as provided in OAR 690-020-0044 (Design Requirements for New Dams or to Increase Dam Height: Instrumentation for Monitoring); and(g)
A Dam Breach Inundation Analysis as provided in OAR 690-020-0120 (Dam Breach Inundation Analysis).
Source:
Rule 690-020-0035 — Minimum Engineering Requirements for Final Design of New Dams or to Increase Dam Height, https://secure.sos.state.or.us/oard/view.action?ruleNumber=690-020-0035.