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Strangio and Associates <br /> CIVIL&ENVIRONMENTAL ENGINEERS <br /> 1789 COTTLE AVE. <br /> SAN JOSE.CA 95125 <br /> (408) 978-9604 FAX (408) 448-5284 <br /> Mr. Tony Aarnoudse 6-6-95 <br /> Eisenmann Corp. <br /> 150 E. Dartmoor Drive <br /> Crystal Lake, Illinois 60014 <br /> Dear Sir: <br /> REF: Dana Corp - Tank Certification at 1550 Industrial Blvd. <br /> Stockton, Ca. <br /> Based on my onsite visit and examination of the wastewater <br /> tankage located at the above referenced facility I certify that the <br /> two tanks listed below meets the requirements stated in Title 22 <br /> section 66264.175, and section 66264.191. <br /> The reaction tank is composed of sheet polypropylene. The <br /> rectangular tank has encased girth bands to assure sufficient <br /> rigidity and is located on an elevated platform. The structural <br /> integrity of the platform has been analyzed by Siegfried <br /> Engineering and was found to meet all structural/seismic criteria <br /> for Zone 3 service. The tank is approximately 2 years old and its <br /> service life can be estimated at 20 years. The tank is not effected <br /> by contact to the liquid being treated or the ambient environment. <br /> The tank should be inspected every four to five years for <br /> embrittlement and any evidence of degradation. <br /> The diluted E-coat sump tank is a rotationally molded polyethylene <br /> tank. This tank operates as a primary containment vessel and is <br /> situated in a below grade sump. The two year old tank has a 20 to <br /> 25 year service life, and is not effected by the material being <br /> collected(and pumped) . <br /> REACTION TANK - Total gallonage - 1767 gallons <br /> Plan dimensions 117 1/2"L x 68 3/411W, out to out top flange <br /> 108 1/211L x 6011 W inside <br /> Height - 69- 3/411 Water depth approx. 6311 <br /> Tank is divided into 4 compartments 3 @ 16"W+/- , 1 @ 68"+/- <br /> Outlets - 4 ea. 1 1/211 dia. stainless steel at tank bottom side <br /> wall, 1 ea. 411 to clarifier on end wall. <br /> Girth Bands - 1 @ 44 1/21 & 1 @ 20 1/411 from top flange. <br /> Platform height 6411 from grade Number of anchor bolts - 12 ea. <br /> :3/s <br />