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gyp. Johnson -Frank &-Associates Inc <br />l'_' (AS) Surveying & Mapping Services <br />City of Santa Ana <br />WORK PLAN <br />The technical approach follows our production work flow, and is intended to give the reader a sound <br />understanding of the process we will follow to produce the desired deliverables. While we will <br />outline our approach to producing all of the deliverables asked for in the RFP, it is understood that <br />the City ultimately may not need all of the products and services discussed. <br />Ground Control Surveys <br />This task involves setting the necessary ground control needed to support photogrammetric mapping <br />and aerial imaging operations. <br />• Johnson -Frank & Associates, Inc. will coordinate closely with the City to ensure full <br />understanding of the control requirements, and successful execution of the ground control <br />survey. <br />• Analysis of the City/County's available control will be performed in preparation for a <br />survey. We propose setting as many targets as possible coincident with points in the <br />existing control network. Research will be performed in preparation for any special <br />centerline determination, right-nf-way determination and legal description requirements <br />associated with a project. <br />• A flight and control planning map will be submitted to the City for each project. Formal <br />approval will be obtained from the City prior to mobilizing any field or airborne assets. <br />• Field crews will be mobilized to the project site. Static GPS sessions will be performed <br />using Trimble 4000 and/or 5700 GPS receivers to obtain precise position and elevation <br />information for each target location. Targets will be painted in.preparation for the photo <br />flight. <br />• All survey data will be reduced and checked using Star*Net software. Control point <br />positions will be output in the coordinate, datum and unit systems desired by the City. A <br />survey report will be provided to the City Surveyor; together with a MicroStation file and <br />hardcopy plot of the survey. <br />5150 E. Hunter Ave. 14 Anaheim CA 92807 <br />(714) 777-8877 alanfrank nnlohnson-frank.com FAX: (714) 777-1 A41 <br />