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Reference Point (RP) Reference Point (RP) <br /> Original Ground (OG} Original Ground (OG) <br /> is <br /> i <br /> i <br /> DM W aa. hale <br /> N <br /> a <br /> 1 <br /> 80. PVC pipe t <br /> Drill 4' dia. hole - 0 <br /> j _ o <br /> �. 2" da. PVC pipe <br /> i <br /> Drill 1/4' holes in PVC pipe o 00 00 <br /> - <br /> - o 0 o u n <br /> n Grote! tis 1/4"to 3/8- _ u u. m <br /> 0 - o <br /> 0 0 0 N Z <br /> Min_ Grove] <br /> 0 <br /> it Threaded or <br /> ca"nett°" Joint SHALLOW HOLE (6"dia-) <br /> His <br /> IM dole <br /> f <br /> Drib 1/4" holes in PVC pipe t to <br /> r.r <br /> Growl sae 1/4-tp 31W —L -I a a <br /> 2" Me, Crowell <br /> DEEP HOLE (4ediaj rams <br /> His <br /> 1'. Sleeve the hole with PVC pipe- and gravel as soon as <br /> poss3le after tlNfmg. <br /> 2. lilleelIMe depth Prior to release of. draler Deep holes <br /> holes must be cleaned out by the driller. Shallow <br /> holes (42' deep) can be cleaned out with 4" auger. <br /> 3. O-K- to PWce more gravel on the exterior of the <br /> PVC Sleeva. than the minima n that is shown. <br /> 4_ Use o funnel to pour water into the PVC pipe. <br /> CRemvn <br /> ENGINEER_ Earnest F_ smith- HOLE PREPARATION (Deep/Shallow) APN: ->O 7— <br /> �' <br /> F. PERCOLATION TESTS DATE: 3 _ 07 <br />