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<br />e <br /> <br />e <br /> <br />~:.- <br /> <br />CITY OF LA PORTE <br /> <br />INTER-OFFICE MEMORANDUM <br /> <br />SUBJECT: <br /> <br />/1 <br />(k /owen, <br /> <br />J~r'y,L. 0 e Director of Public Works <br />"/// 1;' <br />~PP5 ,~ro~ Mobile Oil for Street Contruction <br /> <br />II ; <br /> <br /> <br />DATE: <br /> <br />February 18, 1983 <br /> <br />TO: <br /> <br />FROM: <br /> <br />~tr. Richard Goertz with Mobile Oil contacted me about the possibilIty of <br />an experinlental Street Construction ?roject approximately four weeks ago. <br />Durinp, our first meeting we discussed several projects that had been constructed <br />usinr: the phosphogypsum as base material. Over the next two (2) weeks I look.ed <br />at several projects using this material. After viewing the projects and lab <br />test conducted by the Texas Transportation Institute. I have concliLtled that <br />with proper controls the phosphogypsum material ca.n be used for Street base. <br /> <br />The reg~irement for the streets to be l1sed in the project required sufficient <br />len~nth to allow two (2) six hundred feet control sections constructed of crushed <br />limestone. The streets that are to be used for the project meet all requirements. <br /> <br />All, 'construction on the project shall meet all of the City of La Forte construction <br />specifications now existing. The Engineering Department will conduct all <br />standard lab tests required on all construction projects at present. The <br />Texas TransDortation Institute will also monitor the project for three years <br />conductin~ reQ~ired lab tests f.or their research. <br /> <br />Costs incured by the City are as follows: <br /> <br />$36,025.00 <br />100,000.00 <br />Ih,598.00 <br /> <br />13,100 square yards of 6% lime subgrade <br />12,165 square yards of phosphogypsum base <br />12,165 square yards of -::",;0 course asphalt paving <br /> <br />150,623.00 <br />100,000.00 <br /> <br />Total, Cost of Project <br />Less cost of base (all equipment labor & basecost <br />pllid by ?CC/Mobile Oil) <br /> <br />Cost to City o~. La 'Jorte <br /> <br />- <br />r50,G23:o5' <br /> <br />,JL:! /me <br /> <br />T-; <br />- - <br />