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1 . 06 PROJECT SURVEY REQUIREMENTS <br /> A . Establish a minimum of two permanent bench marks on site, referenced to data <br /> established by survey control points . <br /> I . Record locations , with horizontal and vertical data, on Project Record <br /> Documents . <br /> B . Establish lines and levels , locate and lay out, by instrumentation and similar appropriate <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 504eet 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 /> END OF SECTION <br /> 01050- 3 <br />