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i <br /> ��� <br /> � i <br /> � •,�, I .z�� <br /> ..— . . ..-—— <br /> ti ' <br /> 2.1 MATERUILS eontinued: � <br /> � B. Glass Filied Nylon Clips: <br /> �ro 1. Gips shall be molded plass fiiled Nybn composite. <br /> 2. filass FYled Nybn Clips heve the foliowing tesled ptopeRies: <br /> q � , Uftimate Shear strength - 600 Ibs. per clip <br /> Y y�' Maximum clip spacing - 8" <br /> StoneWatl unR ahear resistance - 800 Ibs. per unit <br /> K �� Ultimate system (Clip/StoneWatl) shear resistance • 1500 Ibs./ Iineal foot. <br /> O� �o� NOTE: The wmposkion of ths cfi� may be changed to make hipher shenyth clips when <br /> � y� roquired by the design engineer. Ctx�tact your StaneWall represerrta►ive for more <br /> X Information. <br /> C. Base Material <br /> o �-+� 1. Base me�erW for the granular wall foating shail be dean, well greded sand <br /> Qt�a� ' a pravel with a UnMied Soil Classificalion of SW or GW. A minimum of 4' of <br /> � 9 eompacted base fa required. <br /> > �"�� 2. A concrete footing may Oe wbstRuted for the qranular Dase. <br /> t" y <br /> H D. Unft Fill <br /> � � 1. Unk fill shall be Gean welMyraded gravel with a GW UniTied Soii ClassiHcation. <br /> �y The flll sAall have a maximum size ot 0.75' and shali not have a fine eorrteM <br /> � � preater than 10% (patses M200 s(eve). <br /> H y 2. Unft fill shall eMend at teast 12' behind the rear face shell of the conaete unit. <br /> � E. Wall Backtill <br /> 1. Existinp soil on site may be used for backfiA behind the unR fill unless deemed <br /> unsuhable by the engineec When the back811 materfal cartains exeesaNe flnes !I <br /> a proteetive tabric will be used to insure againat coMaminatbn of the unR fill. <br /> F. Drain Tile � <br /> 7. Drain tile shall De plastic, concrete or equai wkh a 3' minimum diameter. I <br /> �w _' I <br /> 2.2 RETAINING WALL INSTALLATION: I <br /> �-- �� A. Excavation <br /> ^ � 1. CoMractor ahall axcavete the ske �s required by the co�struction drawinys. I <br /> B. FouMatbn Soil Preparation • <br /> 1. The ioundation soil shall be excav�ted as requfred by the construct�on drawings. , <br /> —. � 2. The anpineer shail examine the foundation sol tor apprwal. Unwkable soil wili be � <br /> nmoved and ►eplaced with 3cceptabte sofL <br /> � C.Base footing <br /> e I 1, Install }ooting as shown on the constn�etion drawinys. A 4' minimum thickness is <br /> required. <br /> 2. (iranular footinp materiat shall be compacted with a mechanlca� plate eompactor to � <br /> ( 90•95% oi maximum density (see ASTM D2049 tor testinp minimum and <br /> maximum densiry). <br /> 3. Prepare the base footinp so that the entire length and wldth W the StoneWail unit is i <br /> in contact wkh tlw footinp. <br /> ' � D. StoneWall Unit Instailatkn <br /> 1. Lay a row of StoneWall unils edge to edge on the prepued loundatbn fdbwing the I <br /> lines shown on the eonstructbn drawing. Cheek for straiphtrnss. Ltw� �ach unit <br /> ftom side to s(de. Pitch the unit towards the beck very tlipMy (t'. <br /> 2, Slide two plass filled rylon clips oMo the back of each bbck in the clip yrooves, <br /> one clip per groove, with the single leg of clip e�Rendiny up hom the eore of the unit. <br /> Fill the units and compact the fill (do not use mechanical equipmeM here). <br /> 22 RETAINING WALL INSTALLATION cominued: <br /> 2 <br />