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Arnani Engineering, Inc. <br />• Engineers . Surveyors , ConsRrLICtiurl Managers <br />May 23, 2022 <br />Mr. James Bielstein, PE <br />Halff Associates, Inc. <br />100 I-45North, Suite 260 <br />Conroe, TX 77301-2701 <br />936.777.6385 <br />Re: City of La Porte — Brookglen Subdivision <br />Fee Proposal for Topographic Surveying Services -Revision I <br />Dear Mr. Bielstem: <br />Amain Engineering, Inc. is pleased to provide this revised fee proposal to perform topographic <br />surveying for City of La Porte — Brookglen Subdivision. Based on our understanding from the <br />email dated May 23, 2022, we propose the following scope of work, exceptions, deliverables, <br />schedule, and fee. <br />I. SCOPE OF WORK <br />A. Tonoeranhic Survey <br />• Tie into Harris County Flood Control Monument (RM 020250). Set horizontal <br />and vertical controls. Horizontal Datum will be NAD 83 (2011 ADJ) Texas <br />South Central Zone (4204).Vertical Datum will be NAVD88 (2001 <br />ADJ).Vertical Datum will be NAVD 88 (2001 ADJ) GEOID99 (CONUS). Scale <br />factor will be determined from OPUS observation of Harris County Flood <br />Control Monument. <br />Set horizontal and vertical controls throughout the project. <br />Establish a minimum of two (2) temporary benchmarks and perform topographic <br />survey, approximately 18,025 LF total as following: <br />➢ Along Gladwyne Lane from the intersection of Orchard Lane to 100 LF <br />north of the Centerpoint Energy corridor, approximately 1,650 LF. <br />➢ Along Orchard Lane from the intersection of Gladwyne Lane to the <br />intersection of Brookwood Drive, approximately 975 LF. <br />➢ Along Venture Lane from the intersection of Gladwyne Lane to the <br />intersection of Willow Spring Bayou, approximately 1,525 LF. <br />➢ Along Hunters Field Lane from the intersection of Gladwyne Lane to the <br />intersection of Brookwood Drive, approximately 800 LF. <br />➢ Along Brookwood Drive from the intersection of Gladwyne Lane to the <br />intersection of Fairmont Parkway, approximately 3,175 LF. <br />➢ Along Hedgestone Court from the intersection of Brookwood Drive east to <br />the end of cul-de-sac, approximately 325 LF. <br />➢ Along Kensington Court from the intersection of Brookwood Drive east to <br />the end of cul-de-sac, approximately 425 LF. <br />➢ Along Somerton Drive from the cul-de-sac north to 100 LF north of the <br />Centerpoint Energy corridor, approximately 1,700 LF. <br />➢ Along Wooddrift Lane from the cul-de-sac east to the intersection of <br />Somerton Drive, approximately 200 LF. <br />➢ Along S. Shady Lane from the cul-de-sac east to the intersection of <br />Somerton Drive, approximately 200 LF. <br />8303 Southwest Freeway, Suite 600, Houston, Texas 77074. Ph 713.270.5700 Fax 713.271.3487 <br />