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C_�anstruction'�lonitoring Su�.unary Lettex <br />Vie�� R.idge i;ondominztuus -� I3iiildu�� 42� <br />1=;veret?, �4'a;:,in�;t��n <br />,� �.i;°�i--1�. ,�C. ��i}(�iil,; <br />;t1<�r::?Z i > ; = 01 : <br />Ya�e 2 <br />�'� i�itiall}� recc�niinencied tl�at the failinb found��jti���ri ��%alls be supp�rtz� or3 � se��es ol'�>in ��ilcs, a.�d that <br />fi pc�i�ioi� of the stein wall t�e a1cc� s�ul���<�rt.ed 'by br<�ces that are coianect��d to helicat anci����rs. :t'kic <br />reeoirirnendations ii7eluded i-epairi�ng ancl stal�iiizirig all of the ec�n�pron�iised at�eas of tlie four�clat:orl. 'tt�� c; <br />rl�iet witl� y�l�i an�i Cllris Covingtor� ol� St��uctt�rai I>�;si��n Ass�7ciates (`�T�.n) at thc site c�!� '�'��iesday�, <br />I�ebruary �, 2013. Durii�� th�t meetin,?, yt�u and the builtiitln o��vrter-s in(�c,i-.�r�ec( �is t(��at you �e�uld like tc� <br />scale back thc repair arcas to maitily i�ct.as oii the south�iz: p4�rtic�_t of i]:c l�,uildiri�. You also iut<�rrned us <br />tl�iat you ;��ould like the piti ���iles tc� be replace�i �vith helical ancl�ioi�s. LJltitriately �h�� }��ir:. E�ilc:s ���c:r��. <br />rcplacecl with heiical ��ilchors aud the wall lateral sup��,orts wcre omittcd. <br />l�'� n����litol�e;d the u7stallation of t}�le �nch�rs and �in pi�e�s on a part-ti��r�e h<isi; Ii�om 1anu��ry ?s, ?C)l4 <br />tl.ro�a�h Niarcli 5, 2014. i:tiir �ioservzktions, opini<>ns, aiid recc�r�iineiidadt3�ris clurii�� otu� iiivoi�vemellt �vith <br />tliis pi-ojcct �.�ere doeu.nenteci in Fielcl IZepo��i5 1 ihrou�h 1i, w�icl� tlave� I�c°€;r� sulz�n�ttet.i to you. <br />�������� ���c���ar I�a�t�l����a�� <br />ti4'L, observed th� installaiian of �0 steet }rel;cal anc��ors «�iii:;il cor�5i�tct: c31 trip�e-fli;}h?; S:G- in a''}- <br />inc�� l,i�lix an�;�ors w�ith 2 7i8-ineh �alvanizec� steel shafts. .�ciditio�lal cxtensiot�s were addec't to the lcad <br />helix anci atta�hed witli high-stren�tl7 bolts. Tl�e total len�ths of tlae auchors vari�:9 l�et���cen 7 t� 15 feet, <br />���itil Iinal tr�rcue; i-�;��diri�;s bet.uveen 6291 it-lb to 7a�82 ft-1�. ui"e lo�ci teste�a �?lre;e :.�f tile ailch:-i�s t�� %t)0 <br />percei�i of tl�e desig�i Ioad ancl based on anchor pei�fc�rmanet cturir�g tl7c tests we conclud�d tl�a+ atl <br />install�;d anchors met their dc;si�;n capacities. <br />�i� ���I� ��as���la���Q��� <br />�'e attend�-d a coi��st�ructioil �ncetiri��� ��ith �-lowarci ('lark c�f klciical Su��a�}I�,� "s.i::; �m F��a;l;,rua�y 1O, 'Jl=�. <br />We discussed rel�lacii�i� tl�le l�telical anchois located at the i�znir st�ut7�iwestern footinr pads witil :3in. piles. <br />Th�; plazls called for two helical anchors ��er frx�rtin� pad. It was �ecidecl tl�at ifie an�hors cc�uld be deleted <br />and re�laced witl� fr�ui- pi1� piles per footing pad. Foi- o�ir use, ti��e wei-e pr-avic�cd rvit� a iz�ernora��e3a f�rc>ni <br />the str�tct�iral ef��ineef iitleci "Pin 1'iie C)ptio�� at ?solatsd ��re.at� T�ootirzgs —�'ie��� ��i�i�e Co�1�or.Ziniums — <br />F3uildir�� 42'� —�verett, VIA," p��ep�,red by �ib��le }��eir�eers, inc., ciate� ��e����t�ary 24. ?;};'d. <br />13elo�v tl�e existing so�tYiwestern. 1.�oo4in��� ��ads, �;�e olservec� �he insta�l��ti��j� of �ix �e��, �' inci� S��ec:�ile <br />80, �alvar,iired stcel pui piles were i�lstalled usi.ng a 140-Ib Lar1�2�rer i�3 a reflzsai criterion of tess t;ia�� �>_�� <br />inch of movement in 60 seco�ids. Pile sections �vere c�ru�iec't�d with stiel cou��l<;1•s as needed_ Tne ��ile� <br />���ei�e attaclled to tl��e fc>ui�dation with steel brackets. <br />t�`�e` :��.3t�8 is�-`'�l��:x:" .'d�iE��`d°�� .�;��:s: �.,�:-�,"�E a �`e.�. <br />