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Reference Point (RP) Reference Point (RP) <br /> Original Ground (OG) Original Ground (OG) <br /> v <br /> Drill 6" dia. hole <br /> N <br /> dia_ PVC N3.0 r <br /> Drill 4" dia_ hole 'v d <br /> 0 <br /> i <br /> 2" dia- PVC pipe <br /> Drill 1/4" holes in PVC pipe o 0 0 <br /> c .p p 3 <br /> 00 x M <br /> C3 <br /> Grovel size 1/47W 3/8" <br /> 0 0 <br /> r _ 000` = O <br /> 0 0 N Z <br /> o 0 0- <br /> : 0 0 0 <br /> _ s <br /> E <br /> t 2" Min. Grovel <br /> �li� o <br /> Threaded or a <br /> Connection Joint U M SHALLOW HOLE (4"dia.) <br /> I rfls <br /> UR Hale <br /> Drill 1/4" holes in PVC pipe e7 <br /> M � <br /> a <br /> Gravel size 1/4"to 3/8" _I p <br /> to Z <br /> 2" Min- Grovel <br /> DEEP HOLE (4"dia.) <br /> rf1S <br /> 1- Sleeve the hole with PVC pipe and gravel os soon as <br /> possible after drilGng- <br /> 2. Measme. depth prior to release of driller_ 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. OX to place more gravel on the exterior of tate <br /> PVC Sleeve. than the minimum that is shown. <br /> 4. Use a funnel to pour water into the PVC pipe <br /> /ZLENGINEER: Earnest F_ Smith IHOLE PREPARATION (Deep/Shallow) APN: /03 - Z 90 —/Z-- <br /> L <br /> Fo s Ric ffs s-aa-W PERCOLATION TESTS DATE: .S-' <br />