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<br /> M.IkL' .l f,lfCiUl ObSI'(V8UOf1 OI II1C<)�'iu'i:�l tlr.tul.uJ�' �l.�i;rII1S �d Ihu 1i1C NOIc IItC
<br /> amounl of area above the woll which v✓ill shed surface runolf lovd:ud ihc W���. Geometry
<br /> No�e the type ol surface (i.r.., paved surlaces, sodded areas, etc.) lo determine
<br /> the water Ilow and volume. No�e any concenlrated sources of waler Ilow such as �;.
<br /> roo� dr,iins ��nd scuppers, drainnge swales. creek beds, ground water, eic. ����
<br /> • Elevations -
<br /> Q'��'�g � , • Wall he(ghts
<br /> Devr.lop a gracfing plan that ramcs water arountl the !� s � '`
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<br /> w:�lls as much as the srte wiu allow. Provide swales + • Slopes abov„e
<br /> :iUovc and below thc wall as rcawred l0 1 \\_ �_ �
<br /> .ir.cummodate water movemenL Dwert sources of /. -- �t
<br /> cnnr.enirated water flow (rom Ihe wall. Retaining � '.ij��A� - 1 • Surcharges �'-��
<br /> w:dl dcsigns must prevenl Ihe pooling of waler � �[�__; � '
<br /> —� • Surroundin� ��±
<br /> :ii,o�e o< <,o�ow m�� w;in. � 9 ��.
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<br /> • Utl�lll8$ �r;,,�
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<br /> Propr,r dralnagc planning coiuiders wcrtcr Ilow .�nd volurne abovc. Uclow nnd • p�O�eriv ����
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<br /> hrhind Ihc rciaininy waill.
<br /> • Mosl Allan Block gravdy walls(lower unreinlorced walls)wdl dram adequ:uely • Existing veg'��
<br /> (111 II1CIf OWp. �t•
<br /> �� '� :� L+r�e arca sheds wale� lo lhe wall (i.e., parkmg lot�, aUdetl tlrainaye will
<br /> bc necessary. SOIIS
<br /> • Concenlrated sourcm ol water rnust be planned for and managed. -
<br /> • ReuiWrced walls will need ndded drainnye br the backldl zone and Ihe wall ;�
<br /> b;uc • SOI� I�/pe `��
<br /> • Major w.ill siruclums, roadw.+y :md municipal projects, and walls built in -
<br /> exVemc rainlall or wcI envuonmenh will nced a thorwgh hydwlogy analysis • Friction anglJ
<br /> �����,� �o «>�,����������� xF
<br /> , , ,, , „ ,, , • Bearing capa
<br /> � • Soil conditi `
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<br /> ��.� -T��"�'� , • Disturbed area
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<br /> I .. , ,. �ar�-�=-`.�==.-: - - -- Water
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<br /> ' ' � , • , • Grading
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<br /> � } ' " - � ' ' �''' • Surtace draln
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<br /> �;{;;, ''` � ., >`t, � -^,as'� • Wate� table'
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<br /> �� . •• • Drainage 811,
<br /> � •- • Drain tile &'"
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