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SECTION 01720-FIELD ENGINEERING <br /> PART 1-- GENERAL <br /> 1.1 STAKING <br /> A. Unless otherwise specified in the specific sections,Owner shall provide engineering surveys to establish <br /> reference points for construction as follows: <br /> 1. Street Grading and Top of Curb: <br /> (a) A control line(usually offset from the curb line)with cuts and fills to proposed grade at 50.0-foot <br /> spacing on tangents,and 25.0-foot spacing on horizontal or vertical curves,shall be furnished and <br /> set on both sides for control of the construction herein described. <br /> (b) Unless otherwise stated in the applicable section of the Specifications or waived by the Engineer, <br /> the Contractor shall provide Blue Tops prior to final paving for subgrade and aggregate base <br /> construction. <br /> 2. The Engineer will provide horizontal and vertical control points on the project's datum. <br /> 3. The Engineer will provide stakes indicating the right of way and/or temporary easement construction <br /> limits. <br /> 4. The Engineer will provide stakes indicating the project stationing. <br /> 5. Contractor is responsible to have all areas where stakes need to be set to be clear of debris. The <br /> contractor needs to also provide a clear line of sight for staking. <br /> 6. The Contractor shall submit staking requests a minimum two(2)working days,excluding Saturdays, <br /> Sundays,and legal holidays, prior to the date requested stakes are needed on the project.Staking <br /> requests submitted after 2pm shall be recorded as being received the next business day. <br /> 7. The stakes are an integral part of the project and the Contractor shall protect and preserve all such <br /> stakes and marks,and will be charged with the expense of resetting all such stakes and marks <br /> destroyed or disturbed due to the Contractor's carelessness or negligence. Stakes that are destroyed <br /> due to vandalism,erosion or other incidents shall be re-staked by the Engineer,and will not be at the <br /> Contractor's expense. <br /> 8. In the event of apparent or questionable errors or inconsistencies in such stakes set for control of line <br /> and/or grade,the Contractor shall promptly notify the Engineer of such error or inconsistency and shall <br /> not proceed with the work until such stake,grade,or mark shall have been verified or corrected by the <br /> Engineer. <br /> 9. The Engineer will mark the existing boundary monuments prior to construction. The Contractor is <br /> responsible for protecting the monuments during construction. If monuments are removed the <br /> Engineer will reset them post construction at the Contractor's expense. <br /> 10. All other line and grade staking shall be the responsibility of the Contractor. The Contractor shall <br /> furnish sufficient equipment and personnel for determination of plan grades,cross sections,course <br /> thicknesses, etc. The survey cost of establishing stakes requested by the Contractor for the <br /> convenience of the Contractor, beyond those cited as basic project control,will be charged to the <br /> Contractor or withheld from the amounts due to the Contractor. <br /> B. Unless otherwise stated in the applicable section of the Specifications or waived by the Engineer,the <br /> Contractor shall provide Blue Tops prior to final paving for subgrade and aggregate base construction. <br /> PART 2-- PRODUCTS(NOT USED) <br /> PART 3-- EXECUTION(NOT USED) <br /> ****END OF SECTION**** <br /> City of Elk River-R13.119052 FIELD ENGINEERING <br /> August 2019 PAGE 01720-1 <br /> V012419 ©Bolton&Menk,Inc.2019,All Rights Reserved <br />