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\Ir. liill Lrh���ncn. �Itli! <br />c/o �4urtcnsun ('im,trurui,n tiit� <br />�larch I>. '0�)-1 <br />P iec ? <br />t�� ;.;:� �o; � r �! �ILSO�'.INC. <br />lur �il� h;irl.till an�l cump:ictiun ��hsu��:iiiun. In a�IJitiun tn uur ��c��tcchnic;il uhscrvaliun <br />scrciccs. �� c runcurrcnU} pro� idcd cn� irunmcntal scn iccs fur ground�� cucr yualily. �castc <br />dcsignation, suil scgrcgation. documcntcuion. ;�nd soil disposal. Our ficid activity rcpoi7s <br />includcd cn� ir�mmcnt:il obscn�:uions as ��cll as gcotcchnical. Lnvironmcntal npurting G�r thc <br />p�rking ��:ira��c ���ill occur:d�tcr Rockcfclicr Ramp consu•uction is contplctc. <br />"I'hc finai inrlinomc�cr rcadings and a sitc pl.in sho���ing thcir appro :imatc I��catiuns arc <br />cnclo,rd. 'I'hc cn��loscd plots sho��' thc cumulati�c inclinomctcr displaccmcnt from thc initia <br />Dcccmhcr -1 :md 5, 20O3, rcadingti. 'fhc (in.il rcadings for Inclinomcicrs 1-Z .md I-3 �vcrc ntaJc <br />�,n \iarch i, 200-1, aflcr gara��c construction was up to gradc and complcicd. "1'hc fin.il rcadin�s <br />I��r Inclin��mctcrs 1-I. I--1, and 1-5 arc �lated Junc 20. 3003; (hcy �ccrc nuidc ;d�tcr thc garagc <br />c�r:i�ation ��:is complctcd. Thc inclinomctcrcasin�sl for 1-I. I-�4, and [-5 havc bcen covcrcd h� <br />:�mstructiun of �calls and sidc�� alks and arc no longcr acccssihlc tu rcad. "fhc contractor is <br />rrs��un�ihlc (or inclinomctcr.ih;mdonmcnt and repotlin�. Plcasc nutc that thc lasl hvo rc.��in��s <br />shu�cn on Ihc Inclinomctcr 1-S plot su��gcst Ihat thc soil nail ��all ��.is mo��ing away (rom thc <br />r��;i��.uiun. Also. Indinomctcr I-> �lid not cstcn.l hclo��� thc h�isc u( thc esca�:uion and �hc <br />rca�lings imply that thc inclini,mctrr �cas n�,t (i�cd at ihc hasc. 'I hr I;i�t t��u I-5 rr.idine; arc <br />unrcliablr in our opinion. <br />:\s :inlici��atcd. thc inrlinunutcr nui�rmcnis ���rc lar�_rr at thc u,�� of thr soil nail ��alls and <br />�Iccrcaxd sianific:uttl�� do�� n �hc (acc of thc �ti�alls. A maxinutm rcading of about 1.5 inchcs <br />��as ohscr�cil :u Ihc tup of thc ��'all in inclinomctrr I--i on thc south shurin�� ��:ill. "i'hc a�craec <br />I;ucral nu��cmcnl at thc u�p of thc soil nail ��alls ��as rouLhl�� I inch. <br />In addition tu takin�� inclinometcr rcadings to monitor thc suil nail �call perfurm:�nrr. �� c:il;o <br />rr� ic��ai thc conu'actor's optical suncy data, �� hich �vas pc�i�ormcd b}' Pcrtcc[ Gn��inccri• ��, <br />Inr. "fhcrc ��'crc (i7 survcy points spaccd around thc top of thc soil n:�il ���alls. The I;�st ,ct uf <br />suncy rcadings wc rccci�cd �nrc d:ucd July, 21. 3003. A ma�imum latcral displaccmcnt <br />i�•a�lim� of ahout 1.•1-4 inchcs ���as obscrvcd at monitorin_� pi,int \1 on thc Suuth \Vall No. 3: <br />�1nRiAC1. I�1C :IA�CI:I��C IIh��CI11C111 AA-;1� f��lli'�1��� (l.(i lU �.�1 II1C�l. <br />,i i ����,�� ��i�� i���ri �n <br />� i-i-o�xi-i•i-o�o <br />