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Grade to Drain <br />--- <br />Crawlspace -Compacted fill <br />6 in. min <br />Vj <br />~ • .. ~~ ~o°~ Approved non-woven geotextile <br />0 o0p o. <br />Oo 00 <br />„0000 • <br />oOpa <br />_ ~ ~ __ 1/2x3/4 in. clean drain rock <br />~T ///= i i or approved equivalent <br />~ ,/ ~ 18 in. min <br />~ ~ <br />6 in. min i ~ <br />Pier and ' <br />Grade Beam ~ ~--~ - 4-inch perforated rigid drain pipe, <br />I 'oa~,o ~ ~ ~'~ centered in trench <br />a oho <br />o ~~ <br />A <br />- - <br />12 in. min <br />NOTES: <br />1. All pipe joints shall be glued. <br />2. All perforated pipe placed perforations down. <br />d 3. 1 % fall (minimum) on all trenches and drain lines <br />4. Class 2 Permeable material is an acceptable alternative for drain rock and geotextile. ,,,,,,,,, G,,,,o <br />s <br />SUBDRAIN DETAIL FiGUaE No. <br />y Korbm~cher <br />E ~ 9 ' ~ ° ° ~ ` ^ ~ ' ^ ° - Proposed Vineyard Pass Subdivision 10 <br />865 Clara Lane <br />PROJECT NO. JB-569 DATE ,oios Pleasanton, Caiifornia <br />