Virginia Regulatory Town Hall
Department of Conservation and Recreation
Guidance Document Information
Title The Use of Overtopping Protection Systems on Existing Dams
Document ID DCR-VSWCB-042
Summary This guidance document provides the requirements an owner must meet in order to utilize certain overtopping protection systems on an existing impounding structure. These systems may be used to meet the spillway design flood requirements established in 4VAC50-20-50 (Performance standards required for impounding structures). Examples of acceptable overtopping protection systems include roller compacted concrete, articulated concrete blocks, and HydroTurfTM CS.
Effective Date 12/6/2017
pdf View document text     Posted On 1/17/2018                 Document on Town Hall

This document applies to the following chapters
[4 VAC 50-20] Impounding Structure Regulations

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