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311 <br /> File MR19409 Vol. 1 Sec. 1 Page 2 Issued: 1996-05-29 <br /> and Report Revised: 2004-04-09 <br /> CONSTRUCTION DETAILS: SEP 14 ZU16 <br /> The general configurations and dimensions of the tank sumps are shown in <br /> .Table 1 and in ILLS. 2, 3 and 4.The sumps sumps are manufactured of 's single wall construction at <br /> a thickness of 200 mils. They are manufactured in a fabrication <br /> process using glass-fiber reinforcing in combination with an <br /> ispotahlic polyester resin. In various states of the <br /> manufacturing process, the glass fiber reinforcement is applied <br /> in the form of filament winding roving, chopped strand-woving *roving or <br /> molded. <br /> Double Wall Sumps - The inner sump wall is fabricated identically to the <br /> single wall models. The interstitial material is applied over the single wall <br /> sump and the outer wall is applied over the interstitial material to a minimum <br /> thickness of 200 mils (0.20 in.) . An interstitial access fitting is installed <br /> to allow for testing and/or monitoring in the field. Refer to 111. 9 for <br /> fabrication process details. <br /> COMPONENT ELEMENTS <br /> The following lists identifies the materials that are used in the <br /> manufacturing process. <br /> A. Isoptahlic Polyester Resins - <br /> 1. Reichhold No. 33-407, may also be designated as Reichhold <br /> No. 98-493. <br /> B. Catalyst <br /> 1: Methyl Ethyl Ketone Peroxide in dimethyl phthalate - Technical <br /> Grade. Identified by product name on container. <br /> C. Glass Fiber Chopping Roving <br /> 1. Owens Corning Fiberglass, No. .157- <br /> 1). Interstitial. Material -- Parabaam 3D glass fabric Type 87196. <br /> Riser Reducers - The riser reducers come centered, offset and waterproof <br /> bolt dawn type lids which incorporate a UL Recognized gasket evaluated for use <br /> with gasoline and gasoline/alcohol blends. The risers are contact molded and <br /> are manufactured (of a) Reichhold 33-407 at a thickness of 200 mils. The <br /> risers can range from height of rise of 5 to 12 in., 29-7/8 to 34 in. Ob of <br /> Opening, and 30-1/2 to 34 in. OD of lid. <br /> LMD/WD:Ikc <br /> NKDLS <br />