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Project No. 90161.e <br /> 7 June 1990 <br /> 7.1 Subsurface i e line removal if encountered in the field <br /> 7.11 The methods of removal will be designated by the <br /> Geotechnical Engineer in the field depending upon the depth and <br /> location of the line. One of the following methods will he used: <br /> 7.12 Remove the pipe. Fill and compact the soil in the trench <br /> according to the applicable portions of sections 5.1 and 6.1 <br /> 7.13 The tApe shall be crushed in the trench. The trench shall <br /> i' <br /> then be filled and compacted according to the applicable portions <br /> of sections 5.1 and 6.1 <br /> 7.14 Cap the ends of the line with concrete to prevent entrance <br /> is e <br /> of water. The length of cap shall not be less than 5 feet. The <br /> concrete mix shall have a minimum shrinkage. <br /> i <br /> s.l Unusual conditions <br /> 8.11 In the event that any unusual conditions not covered by the <br /> �r <br /> special provisions contained herein are encountered during the <br /> grading operations, the Geotechnical Engineer shall be notified <br /> immediately for revised or alternate recommendations or grading <br /> specifications as required. <br /> 3 <br /> I . <br /> `-' <br /> 28 <br />