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r <br />e <br />l <br />r~ <br />~~ <br />INTER-OFFICE MEMORANDUM <br />SEPTEMBER 7, 1983 <br />T0: <br />FROM: <br />• SUBJECT: <br />n <br />LJ <br /> <br />J. Joe s - aduate Engineer <br />J. Ra <br />Sealed B X0017: Nuclear Moisture Density Gauge <br /> <br />Advertised sealed bids #0017 for the purchase of a "Nuclear Moisture Density <br />Gauge" were opened and read aloud in Council Chambers September 7, 1983 at <br />4 P.M. The gauge will be used to simultaneously and accurately. measure den- <br />sities and moisture content of fills, embankments, bases, sub-grades, and as- <br />phaltic concrete by the Engineering Dept. In the past, such tests were done <br />manually by outside firms at great cost and extensive delays. Nuclear density <br />gauges provide non-destructive, statistical testing with speed and accuracy. <br />A survey was taken of agency users of Nuclear Moisture Density Gauges including; <br />(1) Texas Highway Dept., (2) U.S. Corps of Engineers, (3) Texas A&M University, <br />(4) Trinity Engineering and Testing, and (5) Brown & Root, Inc. Information <br />received from these agencies indicated that there were only two competitive units <br />on the market which would fit the City of La Portes' applications. Bids were <br />then obtained from both Component Sales & Service Inc. which sells the CPN Model <br />MC-2 and from Troxler Electrical which sells the Troxler Model ~3411B. Both <br />units are very comparable to each other and meet all specifications set out by <br />the Engineering Dept. <br />I therefore recommend accepting the low bid by Troxler Electronics on their Model <br />~~3411B in the amount of $4,265.00. I trust this recommendation will meet with <br />your approval. <br />JR/mb <br />cc: B. Herrera <br />Z <br />~. , <br />V; <br />;: . <br />-..1 <br />.~ <br />