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PLANNING CHAPTER 2: SITE DESIGN AND DEVELOPMENT • Dumpsters and trash removal services (do not burn trash onsite.) • Restrictions on access to equipment shelter (do not use shelter as a workshop) • Personnel and tool trailers 2.4.6 GEOTECHNICAL CONSIDERATIONS Geotechnical investigations are required for all projects that involve subsurface foundation installations, engineering design parameters and other related aspects of site development. Geotechnical data obtained in these investigations shall be provided to the tower and foundation designers and site engineering firm in a compatible electronic format. Unless otherwise specified, tower foundation and anchor design shall be executed in accordance with the latest revision of ANSI/EIA/TIA-222 (or other applicable local Standards body design requirements). It is highly recommended that the customer, tower and foundation designer, siteengineering firm and the appropriate Motorola representative hold a meeting to set expectations, requirements, parameters and the approval process to ensure timely completion of the designs. NOTE: Some contracts and geographical locations may require additional geotechnical information. Consult a reputable geotechnical firm, and the tower and foundation designer to ensure that all required geotechnical information is included in the report. • Normal soil shall be defined as a cohesive type soil with: • a vertical bearing capacity of 19,530 kg/m 2 (4000 lb/ft 2 ) • a horizontal bearing capacity of 1,953 kg/m 2 per 300 mm (400 pounds per square ft. per lineal ft.) of depth to a maximum of 19,530 kg/m 2 (4000 lb/ft 2 ). • Rock, non-cohesive soils, or saturated or submerged soils shall not be considered normal. • Pocket penetrometer tests should not be substituted for unconfined compression tests. • For each layer of soil encountered, the following items should be determined by field or laboratory testing and summarized in the soils report depending on the types of foundations recommended. • Standard penetration values • Soil classification and elevations • Angle of internal friction • Unconfined compression strength and cohesion • Tension and compression skin shear (for piles, caissons or drilled piers) • In-situ soil density and moisture content • Expected ground water fluctuations • When drilled piers are feasible, the plasticity index and over-consolidation ratio shall be determined. • The recommended type(s) of foundations to be considered, and corresponding design parameters for uplift, compression and lateral load • Construction techniques to ensure the design parameters are obtained. 2-6 68P81089E50-B 9/1/05
STANDARDS AND GUIDELINES FOR COMMUNICATION SITES CONSTRUCTABILITY REVIEW 2.5 CONSTRUCTABILITY REVIEW 2.6 SITE WALKS The constructability review leverages construction knowledge and experience in planning, design, procurement and field operations to achieve overall project objectives. All project parties should become involved in a constructability program at the onset of a project to ensure there is a maximum influence on overall cost, quality, cycle time and functionality. Outlined below are some of the basic steps for a constructability review. • Establish criteria for selection of members • Establish constructability objectives/concepts • Establish project objectives (scope) relative to constructability objectives • Compare contractual scope objectives and constructability objectives with requirements of this manual • Establish roles and responsibilities • Establish the importance of teamwork • Determine level of formality for constructability program • Define specific constructability procedures • Integrate constructability into project activities • Identify appropriate measures for objectives As defined here site walks refer to post contract award. Site walks familiarize involved parties with the development plan for a proposed site. After a site's use has been confirmed, a site walk shall be conducted to examine as much detail about the site as possible, and to clearly determine and describe responsibility for all aspects of the site development. It is recommended where practical that all involved parties participate in a site walk. This includes but is not limited to geotechnical, site engineering, the site design team or site design team designee, contractor, and the customer personnel. This saves time, encourages multiple opinions, and ensures that all parties agree on preliminary layouts. At a minimum, the following items should be completed during the site walk: • Choose the specific location of the facility. (If survey information is not available or applicable, precise location information is required for future reference and equipment deliveries). • Note general condition of site and surrounding area, including pre-existing flooding or erosion conditions. Note site characteristics and any notable items from the surrounding properties. • Discuss site layout. General agreement and concurrence should be reached on preliminary site layout and development with respect to the site and its characteristics. • Verify the location of the nearest commercial utility/electrical service. If available, note the name of the service provider along with a service pole number or approximate location of nearest service pole. • Observe accessibility. Access to the site is of the utmost importance and should be thoroughly investigated and noted at this time. Any obvious easement or security issues should be noted and investigated also. 68P81089E50-B 9/1/05 2-7
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STANDARDS AND GUIDELINES FOR COMMUN
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CHAPTER 4 EXTERNAL GROUNDING (EARTH
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CHAPTER 5 INTERNAL GROUNDING (EARTH
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CHAPTER 6 POWER SOURCES 6 6.1 LOCKO
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CHAPTER 7 SURGE PROTECTIVE DEVICES
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CHAPTER 8 MINIMIZING SITE INTERFERE
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CHAPTER 9 EQUIPMENT INSTALLATION 9
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APPENDIX A ELECTROMAGNETIC ENERGY I
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APPENDIX B SOIL RESISTIVITY MEASURE
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APPENDIX C PROTECTING AGAINST ELECT
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APPENDIX D GROUNDING (EARTHING) ELE
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APPENDIX E GENERAL CONVERSIONS AND
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APPENDIX F R56 COMPLIANCE CHECKLIST
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I NDEX Index Index AC power cabling
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