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VALUED ENGINEERING 209464 Mlultiple tank installation will also requ a minimum of 12 inches between tank measured from each outride edge. ANCHORING 7,0 Certain situations require the use of properly designed anchor straps to overcome existing buoyant forces. The straps are used in conjunction with a concrete holddown slab or deadman anchurn. CAUTION, Use of steel cable or round bar is prohibited. Im USE of strct C -OL E ANG RUUNO OAA HOLD DOWN STRAPS 7.1 A pad of inert, isolation dielectric material must be used to separate the steol anchor strap from the tank. Isolation pads are not required when the holddown strap material is approved fiberglass or polyester webbing, BACKFILL 8.0 Only the following approved backfill material may be used. 1, Clean washed sand. 2. ]Ped Gravel • (particle size must be not leas than 1/8 inch or more than 314 inch) 3, Washed stone or gravel crushings - (angular particle size required to be not less than 118 inch or mere than 112 inch) 8.1 Special care should be used to ensure that the backfill is properly installed to evenly support the bottom quadrant of the tank. NOTE: Do not backfill in layers using different materials, 9Q04h W 8565 05/28/09 02:26pm P. 008 8.2 If tank must be ballasts wring the backfill procedure, at no time may the liquid exceed the height of the compacted backfill surrounding the tank. 8.3 The tank shall be encompassed by the proper backfill and extending to a minimum of 12 inches over the top of the tank. 8.4 Areas subject to heavy vehicular traffic shall have a protective cover of 18 inches clean. compacted soil with either 6 inches of reinforced concrete or 8 inches of asphalt paving. If compacted soil is the only cover, it shall be a minimum of 36 inches deep. 8.5 Areas not subject to heavy vehicular traffic shall have a protective cover of a minimum 18 inches of clean compacted soil covered by 4 inches of reinforced concrete or 6 inches of asphalt paving, If wcttpacted soil is the only cover, it shall be a minimum of 24 inches deep. 8.6• Finishing Instructions; A fiberglassing kit is shipped with tank and provides materials to cover unused openings and external attachments, such as lifting lugs. All finishing work will be done prior to backfilling. 9.0 For Glasteel II warranty to be initiated, the Installation Checklist tau be properly filled out by the customer, and returned to the Modern Welding Co. subsidiary from which the tank was fabricated. The Installation Checklist must be returned within 30 days after date of installation, If the Glasteel 11 tarlk hay not been installed within 90 days of delivery from the manufacturer, it is required that the tank be re -certified by the manufacturer, at the owner's expense, prior to installation, MAINTENANCE 10.0 Maintenance of Underground Storage Tanks The primary tank should be inspected monthly for the presence of water. Inspections should take place at the lowest possible points inside the primary tank. Retttove any water found. Water and sediment in fuel can cause plugging of filters. Also, bacterial growth originating from the fuel, can cause filters to plug and eorrasiou of tanks and lines. A report by the U5 Department of Energy, BNL 4.8406, provides information on methods to teat for and remove water, test for bacterial presence in fuel, tank cleaning and fuel additives. Failure to remove water from the tank may void your warranty. Corporate Office (270) "54400 Modern Welding Company of Owensboro, Inc (270) 683-5323 Modern Welding Company of Ohio, Inc (740) 344-9425 Modern Welding Company of Florida. Inc (407) 843.1270 Modern Welding Company of Texas, Inc (713) 6754211 Modern Welding Company of Texas, Inc (817) 636-2216 Modern Welding Company of Iowa, Inc (319) 754-6577 Modern Welding Company of California, Inc (559) 275-3353 Modern Welding Company of Georgia. Inc (706) 722-3411 FORM Gneiss, 01.2001 MWCo R A 3