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Reference Point (RP) Reference Point (RP) <br /> Original Ground (OG) Original Ground (OG) <br /> r <br /> Drill b" dia. hole <br /> r <br /> r M <br /> /f a <br /> IC 1 <br /> 4: dia. PVC pipe <br /> - <br /> Drill 4' dia. hole .SLI/)L, 5// <br /> 2" dia. PVC pipe <br /> 0 0 0 <br /> Drill 1/4" holes in PVC pipe 10e o <br /> I0 <br /> r � <br /> Gravel size 1/4"to 3/8' <br /> o 0 0 <br /> D O D R b <br /> Z <br /> i a o a <br /> h • O O O ` <br /> rf <br /> 2' Min, GravW <br /> Threaded or Gl <br /> Connection Joint SHALLOW HOLE Cdia. <br /> Lift Hole NTS <br /> Drift 1/4" holey in PVC pipe <br /> c <br /> Gravel size 1/4'to 3/8' <br /> 2` Min. Grovel <br /> DEEP HOLE (4"dia_) NOTES: <br /> NTS <br /> 1. Sleeve the We with PVC pip*- and grovel as soon as <br /> possible after drilling_ <br /> 2. Measure depth prior to reisase of driller. Deep hoses <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 place more gravel on the exterior of the <br /> PVC Sleeve, than the minimum that is shown, <br /> / f 4. Use a funnel to pour water into the PVC pipe. <br /> ENGINEER: Earnest F. Smith HOLE PREPARATION (Deep/Shallow) APN:0. — 1,rr f-cj <br /> Fw I ftdowd by M n-n-W PERCOLATION TESTS DATE: z <br /> �f <br />