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22 . PROJECT SUPERINTENDENT <br /> The CONTRACTOR shall designate in writing to the COUNTY, a land-based Project <br /> Superintendent(s) to receive instructions from the COUNTY. Written instructions received by the <br /> CONTRACTOR's Project Superintendent(s), shall be legally binding on the CONTRACTOR <br /> pursuant to this Contract. The CONTRACTOR' S Project Superintendent(s) shall be on the site at all <br /> times during project construction and available at all times to the COUNTY by pager and/or cell <br /> phone. Dredge plant personnel may not serve as Superintendents. <br /> 23 . CONSTRUCTION OFFICE <br /> The CONTRACTOR shall maintain a construction site field office within the general project area. <br /> This office shall be kept open and attended during working hours while construction is underway. A <br /> complete set of Construction Plans and Specifications, any Contract Modifications/Change Orders or <br /> written instructions from the COUNTY and/or ENGINEER and duplicate copies of all permits shall <br /> be kept in a dry location in the construction site field office, in any dump shack, and also on the <br /> dredge at all times during project construction. <br /> 24. CHARACTERISTICS OF THE BORROW AREAS <br /> 24. 1 Borrow Areas The _ Borrow Areas are located approximately 15 nautical miles <br /> south of the south project limit, and 2 .0 miles offshore for Sectors 1 & 2 and 500 feet south <br /> of the project and 10,000 feet offshore for Sector 7. 1 ,_ r n , <br /> Within the permitted area, limited sections have been <br /> delineated for dredging based on quality of the material. The COUNTY reserves the right <br /> to alter the dredge sections or cut depths within the permitted borrow area depending on the <br /> quality of the material observed during the dredging process. <br /> 24. 1 . 1 Borrow Material. The Specifications and Plans are based on physical data collected <br /> by bathymetric, jet probe, and vibracore sampling methods. Vibracore sampling <br /> locations are shown in the Plans. The characteristics of the material in the borrow <br /> area are generally indicated by the boring logs, sediment analysis data sheets, and <br /> grain size distribution curves provided in Appendix A. While the vibracore samples <br /> may be representative of subsurface conditions at their respective locations and <br /> vertical extent, local variations are to be expected and the CONTRACTOR should be <br /> aware that it is possible for material of differing characteristics to be present in the <br /> Borrow Area. Should any questions or discrepancies arise relative to this data, the <br /> conditions shall be independently confirmed by the CONTRACTOR at the <br /> CONTRACTOR' S expense. The removal and replacement of any material deemed <br /> unsuitable for and/or inconsistent with beach fill material will be solely at the <br /> CONTRACTOR' S expense. No dredging is permitted in excess of the specified <br /> dredge cut depths or horizontal limits shown on the Plans. <br /> Based on available core boring information, in general, the material found within the <br /> borrow area consists of poorly sorted, medium-to-fine grain size sand. Based upon <br /> core analysis information, the composite mean grain size for the Borrow Area is <br /> TECHNICAL AND ENVIRONMENTAL SPECIFICATIONS -23 <br />