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A. Establish a minimum of two permanent bench marks on site, refer <br /> by survey control points. <br /> 1 . Record locations, with horizontal and vertical data, on P <br /> B . Establish lines and levels, locate and lay out, by instnunentatiu; . <br /> means : <br /> 1 . Site improvements <br /> a. Stakes for grading, fill and topsoil placement_ <br /> b . Utility slopes and invert elevations . <br /> 2 . Batter boards for structures . <br /> 3 . Building foundation, column locations and floor levels . <br /> 4 . Controlling lines and levels required for mechanical and electrical trades . <br /> C . From time to time, verify layouts by same methods. <br /> D. Establish all lines and grades prior to construction of line work for all piping 4 inches in <br /> diameter and larger at 50-feet increments and at defined breaks in grade. <br /> 1 .07 RECORDS <br /> A . Maintain a complete, accurate log of all control and survey work as it progresses . <br /> B . Update the project record drawings on a monthly basis based on the work performed <br /> during the month ending at the pay request as a condition for approval of monthly <br /> progress payment requests . <br /> C. Maintain an accurate record of piping changes, revisions, and modifications. <br /> PART 2 PRODUCTS (NOT USED) <br /> PART 3 EXECUTION (NOT USED) <br /> I <br /> END OF SECTION <br /> I <br /> I <br /> 1 <br /> l <br /> l <br /> 044572017 <br /> 01050-3 <br />