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.e Introduction Dualoy 3000/L contained piping systems Dualoy 3000/L secondary containment systems are designed to enclose UL and ULC- listed Ameron primary piping used in product lines,vent lines and vapor recovery lines from the pump discharge at the product storage tank to the shear valve at the dispenser.Containment systems employ pipe one size larger than the primary and specially designed fittings that provide complete enclosure of primary piping.Dualoy containment systems are designed for dose make-up and ease of installation.Contact Ameron Fiberglass Pipe Division for assistance in designing containment systems. Dualoy 3000/L non-contained piping systems Detailed installation instructions for Dualoy 3000/L single-wall piping systems may be found in Ameron publication Bulletin 7501 (FP104)available from Ameron Fiberglass Pipe Division or your Ameron distributor. Fig.1-1.A typical three-product service I station layout employing Dualoy 3000/1- fiberglass 000/Lfiberglass pipe for product piping and Stage I and Stage II vapor recovery lines. Dualoy 3000/L piping is also available for the complete line of secondary containment systems. I I Listings and approvals Dualoy 3000/L is listed in the U.S.with Underwriters Laboratories for nonmetallic underground piping for petroleum products,gasoline-alcohol blends,alcohols and oxygenated fuels for both primary(File MH9162)and containment(File MH15596) piping systems.Dualoy 3000/L pipe and fittings are also listed with Underwriters OUnderwriters Laboratories of Canada for petroleum products and alcohols(File CMH 715),in Laboratories Inc.. C Sweden with AB Statens Anlaggningsprovning(Certifikat SA 1-1-9846),and in The L Netherlands with KIWA(Ref.ATA no.2062/1-E).Dualoy 3000/L piping systems conform to the requirements of Arret6 261 bis(French Ministry of the Environment).In Great Britain the Dualoy 3000/L system has been tested and accepted by the London Fire and Civil Defence Authority. On-site inspection Inspection and storage Primary piping inspection is especially critical on double-wap installations.Shipping or handling damage is not visible once the primary has been contained.Damaged pipe can be identified by localized discoloration,crazing and deep scratches or gouges.Refer to Ameron Bulletin 7501 for guidelines on inspection,handling and storage.Inspect containment piping and fittings for damage. Storage Dualoy 3000/L pipe incorporates a 5-mil thick,resin-rich reinforced outer coating which provides outstanding UV resistance.Pipe stored out of doors for extended periods may assume a chalky appearance.This change in appearance is superficial and does not affect the pipe's performance.Protect stored pipe from impact damage by stacking on padded racks.Have ample supplies of nuts,bolts and washers or rivets and adhesive on hand before starting installation. 3