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I <br /> � �I�hc nli�,nmcni louct sh;ill be thc minimum lu�d rcquircd to align thc [estin� apparutu; �nd should na <br /> c�cccd � perccnt o(thc design luad. 1�he di:il gaec shuuld bc zerocd afrer dic alignment luad is applicd. <br /> � NaiVtieback dcllections durin� thc l.SDL test lond shall br mcorded at I, ?, 3, �, 6, 10, 30, 30, 50 and <br /> 60 minutes. <br /> I Dcpendinc upon thc nail/tieback d�flection perf'ormancc, Ihe lo,�d hold period a[ I.�DI, may be incrc;iscd <br /> � to GO minutes. NaiVtieb�ck movcment shall bc recorded at I. 2. 3. �. 6 and 10 minutes. If dic n.�iVtiebuek <br /> de�lcc[iun behvicen 1 minutc �md 10 minutcs is grc�tcr than 0.0�1 �n�i�c,. tlic I.�I)I I�,nJ shall b� cuntinurd <br /> � to bc hcld nn uddition;il GO minutes ,md nail dcllec[ions rccurdc�l :u �U. 30. �0 anJ G(I minutcs. <br /> Test NailfTieback Acceptance <br /> 1. :A test nuil/tieb;uk shall bc considcrcd acccpiablc ��h�:n: <br /> �, 2. Pur ��crilic:�tion tcsts, a nail/ticback is considcrcd r.ccc�,t;iblr il thc crr�•p ru� i, I�;; tl�,in <br /> 0.08 inches per log cycle uf time between (i minutes and 6U minutes :md the creep rxte i; linc:u� or <br /> � decreasing throughout thc crcep test loud hold periud. <br /> 3. �or proof tests, a nailiucback is considercd acceptablc if the creep rat�d is less than 0.0-1 inchcs <br /> per loc c�'cle of timc bchccen the I nnd 10 mi��utes or a crcep rate Icss than 0.08 inches per lo!, <br /> � cycle of time betwecn G minutes and 60 ;ninu[es anJ [hc crecp rate is lincar or decrc;uing <br /> throughout thc crccp tcst load hold period. <br /> d. 'Ihe rotal mo�enxan[ at the maxinmm tcst load c�ceeJs 30 percent of the thcoretical d;utic <br /> I, clongation ol thc unhundcd leneth. <br /> �. Pulloiit Ihilurc ducs nut occur. Pullout failure is dc�incd as thc load ut �vhich continucd aucmpts <br /> � to increase die test load result in continucd pullout of the tcst naiVtieback. <br /> Acccptabl� proof test nails�ticb:�cls ma�� be incurpurateJ as production nuils/tiebacks provided �hat thc <br /> � unbunded test Icngth of the naiUtieb��ck holc has not collapsod and the test nail/ticback leneth and b:u <br /> sizclnumbcr uf str:mds :u'c cyual �u or !_rcatcr than thc schcdulccl production nailrticback at thc test <br /> lucation. "1'est nailsiticbacks mecting these criteria sh:�ll be completed b� groutin� the unbonded Icneth. <br /> � �;laintcn;mce of the tempor.u� unbondcd Icngth for subsequcr�t eroutin� is the contractor's responsibility. <br /> I fhc Lm,inc�r shall c�:iluate the vrri�ication tcst results. v;�ilrtieb:!ck install.uio�i tcchniyuc, that do nut <br /> satisfy thu nuil/ticback ros�ing mquircmcnts shall bc cunsidercd inadcyuatc. In this c;uc. thc contractor <br /> �i shall propuse altern:nive m�thods ;�nd install replacement verif icution tcst nails'ticbacks. <br /> �I hc C-ngineer ma�� reyuire th;rt Ihe contr:icior re��l;icc or in;tall uddiiion.il pn,luetion n:iil,�ticbacks in <br /> I arcas reprc,cnmd b�� inadcquut� pro���tc:i;. <br /> � <br /> � SHORING MONITORING <br /> � Pre-Consiruc[ion Survey <br /> ' \ shorin� monitorin_ pro�r;im sh�iulJ bc cstublish���i t�� monitor dic perli�nn:uicc ul die cut scctiun <br /> rct:iinine �calls and �o pro�iJa e:ul} �ctcctiun uf dcllcctions tli;u could poteniialh damaee nearby <br /> improvements. \V� recuinmend [hat a pre-consvuction iurce� of adj:tcent impro�ements. such as streets. <br /> utilitics. and buildin�,s. be pertormed priur to commencim, eons[ructiun. The pre-�unstruction sun'e) <br /> ;huuld include o vidcu or plwto��ruphic survey ul the condition of e�is[im� impro��ements to establish the <br /> �1fC-���IItiIfUCIH�iI �OI11�111U11. AAll�l ��)CLi:I� ;111CIlilUfl l�� �YI5IIIlE il':Il'�9 IIl ��1'CCIi Uf�)UI�CjII1L�. , <br /> .. ..._ . _._ ____— — ___ <br /> .._— _. --_'_—_— <br /> ���, , n � ��I��- � I'(l�dC-i GEOENGINEEflS� <br /> �.�..i � . :OOh <br />