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9 F0,3 <br />SPARKS & BARLOW, INC. <br />Consulting Engineers - Planners <br />December 28, 1989 <br />Mr. Robert L. Castille, P.E. <br />Harris County Engineering Department <br />Harris County Admin. Bldg. - 7th Floor <br />1001 Preston Avenue <br />Houston, Texas 77002-1893 <br />Reference: Underwood Road - Spencer Hwy. to Pasadena Blvd. <br />Dear Mr. Castille: <br />We have prepared hydraulic computations based on the current <br />drainage concept for Underwood Road, and another set of com- <br />putations that adds the drainage area requested by the City of <br />La Porte letter of December 14, 1989. The estimates of probable <br />construction cost, copies enclosed, indicate a construction <br />cost increase of $44,385. <br />Please let us know on which basis we are to complete the design <br />phase for the project. <br />Very truly yours, <br />Bryant W. Sparks <br />CC: Mr. Jackie Freeman, P.E. <br />Mr. Kirk Hooper, P.E. <br />2 / <br />_2 <br />1770 St. James Place • Suite 410 • Houston, Texas 77056 • (713) 965.9996 <br />