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UL 1746
New product
UL 1746 External Corrosion Protection Systems for Steel Underground Storage Tanks
standard by Underwriters Laboratories, 01/17/2007
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Full Description
Please note: All interim revisions for this edition available at time of your purchase will be included.External Corrosion Protection Systems for Steel Underground Storage Tanks
UL 1746
TABLE AA Scope
1.1 These requirements cover preengineered corrosion protection systems. Part i covers factory-installed galvanic-type cathodic protection. Part ii covers factory assembled composite systems. Part iii covers factory assembled jacket systems. Part iv covers factory assembled coated systems.
1.1 revised May 16, 2000
1.2 These corrosion protection systems are intended to be completely installed at the factory on carbon steel underground storage tanks.
1.2 revised September 13, 1996
1.3 Part ii of this standard covers fiberglass reinforced plastic (FRP) materials only. Part iii of this standard covers FRP and high density polyethylene (HDPE) materials only. Part iv covers polyurethane materials only. Evaluation of other materials or thicknesses is to be conducted as noted in paragraph D of the Foreword.
1.3 revised May 16, 2000
1.4 These corrosion protection systems are intended to be installed, operated and maintained in accordance with the manufacturer's instructions.
1.5 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.
1.5 revised May 16, 2000