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Y <br /> Reference Point (RP) Reference Point (RP) <br /> Original Ground (OG) Original Ground (OG) <br /> Drill 6' dio. hole <br /> N <br /> 4' dia. FVC pipe <br /> CL <br /> Drill 4" din. hole `S " <br /> O <br /> v� <br /> 2" din. PyC pipe L) <br /> P <br /> Drill 1/4" holes in PVC pipe 0 <br /> 00 <br /> r o Grovel Size 1/4'to 3/9' o 0 0 - <br /> : coo <br /> � <br /> N 00 0 <br /> n2 Min. Gravel <br /> CD <br /> Threaded or G]lued <br /> Connection Joint i' SHALLOW HOLE (6-dia. <br /> NTS <br /> Lift Hole <br /> i <br /> Drill 1/4" holes in-'PVC pipe s <br /> Gravel size 1 <br /> � z <br /> 2' Min. Grovel <br /> DEEP HOLE (4"dig) <br /> NTS <br /> 1. Sleeve the hole with PVC pipe and gravel as soon as <br /> possible after drilling. <br /> 2. Measure depth prior to release of driller. Deep holes <br /> holes must be cleaned out by the driller. Shallow <br /> holes (42' deep) con tie cleaned out with 4' auger. <br /> 3. O.K. to place more gravel an the exterior of the <br /> PVC Sleeve, than the minimum that is shorn_ <br /> 4_ Use a funnel to pour rater into the PVC pipe. <br /> ENGINEER: Earnest F. Smith HOLE PREPARATION (Deep/Shallow) APN: 6 i/ ,716 <br /> F� I %.W-W a OrS 8-n--W PERCOLATION TESTS DATE: <br /> c', <br />