standards and guidelines for communication sites - Radio And ...
standards and guidelines for communication sites - Radio And ... standards and guidelines for communication sites - Radio And ...
COMBINING SOIL RESISTIVITY TESTING WITH CLAMP-ON OHMMETERAPPENDIX D: GROUNDING (EARTHING) ELECTRODE SYSTEM TESTING/VERIFICATION D.5 COMBINING SOIL RESISTIVITY TESTING WITH CLAMP-ON OHMMETER Providing site soil resistivity readings along with clamp-on ohmmeter readings to an engineering firm specializing in grounding electrode system design is at times the only method available for grounding electrode system resistance verification. Typically, the engineering firm will use the supplied data which is entered into a specialized computer program that determines grounding electrode system resistance for the site. The data required is as follows: • The results obtained from a soil resistivity test • Individual grounding electrode system component testing data from the clamp-on ohmmeter • Grounding electrode system layout map/specifications • Detailed “as-built” drawings for the site D-20 68P81089E50-B 9/1/05
STANDARDS AND GUIDELINES FOR COMMUNICATION SITES COMBINING SOIL RESISTIVITY TESTING WITH CLAMP-ON OHMMETER TABLE D-4 FALL-OF-POTENTIAL TEST WORKSHEET 0% 5% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Test completed by: Date: Client / Project: Site Location/ID: Ground Resistance Tester Model: S/N: Calibration date: Soil Description: Ambient Conditions Temperature: Distance from Grounding Electrode System Grid Test Data Present conditions (dry, rain, snow): Date of last precipitation: Notes: % ft (m) Ohms (Ω) 68P81089E50-B 9/1/05 D-21
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- Page 467 and 468: APPENDIX C PROTECTING AGAINST ELECT
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- Page 471 and 472: APPENDIX D GROUNDING (EARTHING) ELE
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STANDARDS AND GUIDELINES FOR COMMUNICATION SITES COMBINING SOIL RESISTIVITY TESTING WITH CLAMP-ON OHMMETER<br />
TABLE D-4 FALL-OF-POTENTIAL TEST WORKSHEET<br />
0%<br />
5%<br />
10%<br />
20%<br />
30%<br />
40%<br />
50%<br />
60%<br />
70%<br />
80%<br />
90%<br />
100%<br />
Test completed by:<br />
Date:<br />
Client / Project:<br />
Site Location/ID:<br />
Ground Resistance Tester<br />
Model:<br />
S/N:<br />
Calibration date:<br />
Soil Description:<br />
Ambient Conditions<br />
Temperature:<br />
Distance from Grounding Electrode System Grid Test Data<br />
Present conditions (dry, rain, snow):<br />
Date of last precipitation:<br />
Notes:<br />
% ft (m) Ohms (Ω)<br />
68P81089E50-B 9/1/05 D-21
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