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,~ • <br />CRI'l,AtlATf ON <br />The proposed amcndmr•n Ls m(l ecf. ennuro•uct; forwarded by the OfCicc of Surface <br />Pli ni ny. The amended subsir/r.•nce re,7u l.r ti on cuns.ists of four tom/x~nent phases. <br />The firsC phase rer/uirns each applicanC Lo sul,mit an inventory of their <br />permit and adjacent area to delineate existing structures and renewable resource <br />lands. Jf no such structures or ]ands exist, the applicant nccr/ not submit any <br />additional inforrnition under this section. If structures or tenewablu r~sourre <br />lands are determined to exist, the applicant proceeds to fhase two of the amended <br />regulations. <br />The second phase of the amended sub;Ll~mce regulation is the preparation of <br />a description of "the worst Iwssible con:;enucoces which subsidence, if it occurred, <br />could have for structures and renewable resource .land;", The regulation contains <br />guidelines for conducting an analysis of "matc_rial rlamnye" and "diminution of <br />reasonably Coresecable use", in order to assist the applicant in completing <br />the required determination. If the nppticant determines that the wzJrst case <br />situation,would not cause mete n al daiarpe or diminution of reasonably foroseeable <br />use,t'the application niusC iuclurlr• a subs.irlence mnnif:oring proyrarn desiynerl to <br />verify that cwiclusion. IC the ,rp/~1.ication rleCermines chat the worst case <br />situation could result .in rlmm~ yc or rliminu Ci on, the applicant has the option <br />for preparing eiCher r. subsidence survey ur sol.hisCicated subsidence con[zol <br />~J1an. <br />The third phase of Yhr amended subsidence. regulation consists of the preparation <br />of a subsi dencr_ sur'voy, .i ncludinq rietnilerl ::ubsirlence prediction. The survey <br />also includes a prerlictiun n( niatcrial damage and diminution of reasonably <br />foraseeahie usC of :;trur_Inra's ur renewah/c resource. 1.urd which occurs within <br />the permit ,red ad larr'nr. un~~r. I( fhn rrppl iennt cnnc.ludns Lhat ::ulr;i dente will <br />not ca u:;c such rlam.ryc ur diminur ion and Lhe I>i vi s.inn conr:urs with that conclusion, <br />thr_ application mur.L .include ,r :;ulr;irlencu nainitnrinq Innyrom Lo verify [he <br />applicants tenet u::ion. 1( lhr: ,y7,l icnnt d,~te. erne nr~:: fh.rt ^ueh d. unagr. or rlimi nut ion <br />could occur .in ffn• r~vr~nr o! :.u1r.:irlence, Ll..• applic.~tiun rnu:;t include a sophisticated <br />subsidence conC rot /r1.rn. <br />The fourth and f.i nal r. uru/: nirnt phosc of Phis amcndcrl subs irlcncc rrgvla Lion, is <br />the prepa ration n( a r,uh::id~•ncr control plan. The rr'qui renicnts of the subsidence <br />control plan remain unnltrrcd from the ociyinal prorxJSCd regulation. <br />'/'he su bs.i rlence rryul.rf iun nl:•u incl urJes r.pecr f.ic sLnnrl.r eels for the design of a <br />subsidenco uuJnitnrirnr pru,lr,un. Anil applicant r.•ho .i drnf:i (ies structures or renewable <br />resou ree lands within Lhr~ l~cr nut .vul adjacent area, but peed icCS Chat no ma teriaJ <br />rlam.ryc nr r/imi mrL inn of rr.+:;nn.+hly (n rr`scrn h.le use will occur, is required to vn_rifu <br />t he l: prr:rliec ir,n. !! ,i ::nb•.id,vn~r• nu,ni POrin•.1 l~r nyr,rm rMLcrmi nr:.`: (hat Cho applicant':: <br />prod ir, l:ion H•a :; in: rc~<~n r.il r, IAu .rpp/ic.uit i:: Iherr rcyuirrrl to prep;r re a detailed <br />sulr;i dcnrc cunf.rnl /,l,rn. <br /> <br />