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PERMFILE109209
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PERMFILE109209
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Entry Properties
Last modified
8/24/2016 10:01:51 PM
Creation date
11/24/2007 5:58:20 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981014
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
TR-14 continued
Section_Exhibit Name
EXHIBIT 15 Part 9a
Media Type
D
Archive
No
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~~ s.o ea~a'nc <br />(' rio additional modeling or stability analysis has been cutpletei as part of thin <br />invastdgation. It is our tmderstar~~ thnt of poncesn ie the pertozsronoa of the <br />original design in light o! c2ianges in oo~tnution practice ar~i the !Haifa <br />8scisitiea. ~, <br />l <br />~e potential elfects of the ~stratilicatioR or layering cheated by the o~**$+f <br />opnstsuctian prectioes has already been briefly discussed in the earlier e~ectian. <br />7Ysia layexing can also effect the shape and location of critical failure planes. <br />}ioaxa~ror, since the layers are esses~tially horizontal, the effects on shape end <br />!coatis! o! lailure planes world tetxi to iapzrove stability rather than detract <br />fl~aos it. ~e potential aonoain rQiidti has not been addressed by this <br />investigation involves the possible affects of the stratifieetion on the <br />migxati+an o! water through the refuse pile arxi the developnertt o! piezometric <br />psssa~s• <br />~a ralatiamhip between density and shear strength has been diaaueed in the <br />earlier section. 'ihe original design was based an an effective stress friction <br />argla o! 35'. ~ the earlier section, ~ have dera.~,t.,~ that !or the oondttions <br />~xvad in this pile, the ptvbebility t2at the in plane density would equal or <br />used the 52.1 pc! required to pravido a friction angle of 35• is eppscvcimntely <br />92.81. a],1 else being equal, this i~lies that there exists a 91.8 pn3xibility <br />that the perf^^*~^^° of the pile will e7ua1 or eax~eed that anticipated by the <br />~~+• <br />?!!ally, there's been some intet~t expressed in ina^easirg the height o! the <br />~lti~ pile at s®e locations to, the full m,ci+~*^ design heic~t of 75 feet and/or <br />octend,ing the pile laterally, again using the maxinxnn design pile height of 75 <br />tact. D'1ex'oasin9 tho height of the eocisting pile up to as muds as 75 feat at all <br />looatia'~e, presents no obvious oo~naetae eo long es good surlaoe aid subsurfaoa <br />drainage can be maintained at all locations. Similarly, extending tho pile at a <br />design heic~t o! 7S feat, should present no oanoai~nv as long as once again cpod <br />astaae and subsurtaae drainage can be maintained aM so lag as founietiai <br />mnditlans in the area o! the efctertsion meet or ewoeed the strmigth <br />cffnracteristics of the foundation o! the existing refuse pile. <br />
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