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May 23, 2022 City of La Porte — Brookglen Subdivision Fee Proposal for Topographic Surveying Services -Revision 1 Page 2 of 4 ➢ Along Barry Oaks Lane from the cul-de-sac east to the intersection of Somerton Drive, approximately 200 LF. ➢ Along Fairbrook Lane from the intersection of Brookwood Drive to the intersection of Brookwind Drive, approximately 425LF. ➢ Along Brookwind Drive from the intersection Fairbrook Lane to the intersection of Lazy Brook Lane, approximately 525LF. ➢ Along Lazy Brook Lane from the intersection Brookwind Drive to the intersection of Fairbrook Lane, approximately 1,825 LF. ➢ Along Fairbrook Lane from the intersection Lazy Brook Lane to the intersection of Somerton Drive approximately 525LF. ➢ Along Barrybrook Lane from the intersection Lazy Brook Lane to the end of the cul-de-sac, approximately 325LF. ➢ Along Somerton Drive from the intersection Lazy Brook Lane to the intersection of Fairbrook Lane, approximately 700 LF. ➢ Along Somerton Drive from the intersection Fairbrook Lane to the intersection of Fairmont Parkway approximately 375 LF. ➢ Along Fairmont Parkway 100LF east and west of the intersection of Somerton Drive, approximately 400 LF total, east and westbound Fairmont Parkway. ➢ Along Fairmont Parkway 100LF east and west of the intersection of Brookwood Drive, approximately 400 LF total, east and westbound Fairmont Parkway. ➢ Along the CenterPoint corridor from 100 LF east of Gladwyne Lane to the intersection of Willow Springs Bayou, approximately 1,350 LF. • Prepare Category 6, Condition 2 Topographic Survey base drawing in AutoCAD Civil 3D format with existing utilities shown using pipe network feature. • Prepare survey control drawings (survey layout and monument recovery sheets). • Review public and private record drawings and reconcile visible above ground utility facilities (e.g., manholes, valve boxes, etc.) and correlating this information with existing utility records, to be provided by client. • Survey all markings that indicate the presence/approximate location of a subsurface utility. Flowlines for all storm and sanitary sewer systems including inlets and manhole elevations. For sanitary and storm systems provide at least one manhole upstream and downstream outside the project limits. • Preform Texas One -call system to locate and mark all private utilities. Request utility information from CenterPoint Energy, AT&T, and Comcast. • Visit project location with Natural Gas transmission line owner to shoot location and elevations (Texas Eastern Transmission LP) provided by others and to be coordinated by client. • Preform cross sections at 5 locations as shown in Exhibit I. Cross section will include flowline, toe, water surface elevation, grade breaks, top of bank and outfall pipes along with any other visible topographic feature. Outfall locations can be seen in City of Laporte GIS. In addition, one upstream and one downstream (150 LF upstream and 50 LF downstream) cross section at each of the 4 locations. • Apparent right-of-way (ROW) will be shown based on recorded deed information and the monumentation found in the field. A boundary survey will not be performed. \\AEFlLS0l\Data\Cadd\A1uani Engg\Proposals\Halff Associates\City of LaPorte - Brookglen\Revl\Fee Proposal City of LaPorte - Brookglen Subdivision.doc