2004-10-18_REVISION - M1980244 (24)

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SECTION 01050.0 CONSTRUCTION STAKING AND CONSTRUCTION DOCUMENTATION PART 1: GENERAL • 1.01 SUMMARY: This Section defines the control staking services required by the CONTRACTOR. All staking and surveying will be the responsibility of the CONTRACTOR unless otherwise specifically defined in this section. All grade checking and transferring of lines and grades from CC&V's stakes will be the CONTRACTOR'S responsibility. 1.02 CONTROL STAKES: Control stakes which are reference points for all construction work will be conspicuously mazked. It shall be the responsibility of the CONTRACTOR to inform his employees and his subcontractors of their importance and the necessity for their preservation. At least forty-eight (48) hours written advance request for removal of control stakes shall be given to CC&V. A total often (10) control stakes will be provided to the CONTRACTOR by CC&V for this work. Control stakes shall beset one time only. 1.03 FLAGGING CODE: A color code will be established by the CONTRACTOR during the course of the project indicating specific colors for the various kinds of stakes to be set. 1.04 STAKING: A. CC&V will provide vertical and horizontal reference control stakes in the proximity of the work • as discussed in Article 1.02 of this Secton. B. The CONTRACTOR shall be responsible for setting construction and grade stakes and for proper preservation of control points. C. The CONTRACTOR will provide as-built coordinates and elevations for the Underdrains, Leak Detection system, Low Volume Solution Collection piping and High Volume Solution Collection piping or as requested by the MANAGER. 1.05 CONSTRUCTION CERTIFICATION DOCUMENTATION: A. The CONTRACTOR shall be responsible for accurately surveying the locations and elevafions, and where applicable, the type, thickness, and geometry of any and all pipes and fittings, ditches, geosynthetic materials, breaks in fill or cut slopes, general grading change in fill or synthetic material type, and any other aspect of the work to facilitate construction and as required by the MANAGER. 8. Submittals By CONTRACTOR Upon Completion of W ork: Within seven (7) calendaz days after completion of the WORK, CONTRACTOR shall furnish MANAGER with "Record Drawings" (also referred to as "As-Built Drawings") of the Work. The Record Drawing will be drawn at a scale of 1-inch equals 100 feet with 10 foot topogaphic contour interval, and on a 24-inch by 36-inch sheet. All surveying Record Drawings shall be signed and sealed by the Colorado licensed surveyor who directed the work. The required surveying shall be carried out on a 100-foot by 100-foot grid with additional survey points required to define valley leach facility topographic features (i.e., toe of slope, crest of slope, • Section 07050 Page 1 of 3 March 22, 2000 Construction Staking Golder Associates Revision 3 J:\04JOaS\063-2170UVC CERTIFICATION REPORT\PHASE IVC OSA CERT\APPENOICIESWPPENDIX E TEOHNICAL SPECIFICATIONS101050R3.DOC