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P B li L' G R 1 N E , 1 N C. <br /> )O) GAST PIAE SiREET, SUITC 617 <br /> SI:ATTI.E, WA 981I3 <br /> PII 306.90J.Y9tl5 <br /> FS ]06.90).YY66 <br /> ��v �i�U�l ��oG <br /> 111 G DI O R A N D U �I <br /> To: Khaled Sl�awish, �� <br /> O O <br /> Grom: Doug klettin�,� � O <br /> Date: Ol.?9.09 <br /> Rc: 1625 F.ngland A�-enuc <br /> 1 liavc attachcd as-built documcntation attachcd Cor 1G25 Gngland Avcnuc drainagc and grading <br /> to confirm installation according to your rcconuncndations. Drainagc conditions are culicd out in <br /> rcd on thc attachcd plan,grading in bluc. Thcsc numbcrs correspond to attcnding photographs <br /> fordrainagc, I-12�, and forgrading, t-9c;• <br /> Rcgarding drainagc conditions, thc following stcps���crc takcn for do���nspouts- A-F: <br /> • Continuous tight linc 4" PVC runs with glucd joints, min '/,'/1';0"pitch <br /> 3 <br /> • Tcnninations in 10' perforatcd scctions �erappcd in (iltcr matciTal <br /> . 12„ tnin I %"-quarry run gravcl bcds bcncath all tcrminations <br /> . 12„ min bccl bcncath all tcrminations, top of bcd min 12„bclow gradc <br /> Rcg;u'ding grading conditions: <br /> • Continuous tight linc 4" PVC found;�uo�,�i����,s ����, �a ���on�r�y i��,�; or drainagc beds <br /> . 12" 1 '/i'-compactcd qunrry iUn ovcr 12„ �„ 4"quarry spall as driec��•ay subgr�dc <br /> • 4"'/:'-compactcd undcr 1" buildcr's sand undcr concrctc paccrs <br /> • l:a;t hillsidc slopc continuous 2"-4"quarry Gom bascmcnt to drivcway gradc <br /> . 12" I '/i'- qu�rry run bcncatl� hvo cowsc high ba�,lt crosion control �t�all <br /> . Rock a�all min 13°battcr, b�ckfill 2•,_4"quarry spall and 1 5;,'-quarry run <br /> . l3uildcr's s:md uscd on North hillsidc, perforatcd drain run to property camcrs <br /> Vz <br />