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<br />k lot z 4~~ ass 0 C I ate 5 <br /> <br />1160 Dairy Ashford, Suite 500 <br />Houston, Texas 77079 <br />T 281.589.7257 F 281.589.7309 <br />h ou sto n. office@klotz.com <br /> <br />September 3, 2009 <br /> <br />Mr. Ron Bottoms <br />City Manager <br />City of La Porte <br />604 West Fairmont Parkway <br />La Porte, Texas 77571 <br /> <br />Re: Scope of Professional Engineering Services for <br />Fairmont Park East Preliminary Engineering Report (PER) <br />City of La Porte, Texas <br />Klotz Project No. 0127.012.000 <br /> <br />Dear Mr. Bottoms: <br /> <br />As requested, submitted herein is a proposal for professional engineering services to prepare a <br />preliminary engineering report for proposed drainage and roadway improvements in the <br />Fairmont Park East subdivision. These services will be performed under the attached Engineers <br />Joint Contract Documents Committee (EJCDC) Agreement. <br /> <br />UNDERSTANDING OF THE PROJECT <br /> <br />Klotz Associates was contracted by the City of La Porte to analyze potential alternatives to <br />improving drainage conditions in the Fairmont Park East subdivision. A report titled "Fairmont <br />Park East & Brookglen Drainage Study" dated May 2009 was prepared; in addition, per request <br />by the City, a letter addendum dated August 2009 was prepared which further analyzed two of <br />the alternatives and an additional one. Based on these analyses, the City of La Porte has decided <br />to move forward with roadway and drainage improvements. The PER will include improving <br />portions of the storm sewer system along Fleetwood Drive, from Spencer Highway to the outfall <br />at Harris County Flood Control (HCFCD) Unit B 1 06-02-00 and along a portion of all the side <br />streets in addition to improving the outfall into HCFCD Unit B 1 06-02-00. This alternative also <br />includes lowering a portion of Fleetwood Drive in order to facilitate overland flow. <br /> <br />This PER will take the data gathered and analyzed as part of the previous studies and perform a <br />more detailed analysis of the chosen alternative. Detailed survey will be obtained as part of this <br />effort. This survey will be used to develop XP-SWMM models for the existing and proposed <br />conditions. For both scenarios, it will be necessary to analyze both the storm sewer system <br />(underground flow) and the overland flow patterns (surface flow). A comparison of the existing <br />and proposed conditions will determine what impacts, if any, the proposed improvements will <br />