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TERRACE BASIN <br /> 1A <br /> CONSTRUCTED RIDGE CHANNEL <br /> STATION iacmdingsettlement afowance CUT (FILL) GRADE REMARKS <br /> HT. ft ELEVATION (ft) (R.) % <br /> 0+70 0.4 2.9 — — 3.00% <br /> 1+00 1.3 2,9 0.4 — <br /> 1+50 2.1 2.9 0.3 _ 1.60% <br /> 2+00 2.9 2.9 0.6 — - Riser Location <br /> 2+50 2.2 2.9 0.8 _ 1.40% <br /> 3+00 1.5 2.9 0.6 _ 1.40% <br /> 1.67% <br /> 3+30 1.0 2.9 — — 1.40% <br /> 3+80 0.3 2,9 — — extend rt end from sta 3+30 to approx.3+80 or to <br /> ridge height of 3.9 <br /> see plot <br /> ELEVATION REFERENCE: <br /> THE TOP OF THE CONSTRUCTED RIDGE IS 1.4' <br /> HIGHER THAN THE GROUND ELEVATION AT THE <br /> WHITE OFFSET FLAG <br /> Terrace Ridge Height(nominal): 2.6 ft. <br /> Settlement Allowance: 10.0% <br /> Ridge Outside Storage Area: none <br /> Typical Terrace Ridge: Broadbase LOCATION PLAN <br /> 7 ft. 3 tt min.ropnidth <br /> frontslope at design height <br /> w <br /> Riser Type: I <br /> Riser Size: 6 in, channel bottom <br /> d2= 3.0 ft. 31 ft base <br /> Hidth <br /> Orifice Dia. 3.00 in. <br /> NOT TO SCALE <br /> NOTES: <br /> extend ridge to 3+80 or a GR of 3.9 ft <br /> See plot sheet <br /> ' TO USE 5"DIA.OFFSET TUBING,INSTALL ALL OFFSETS <br /> LANDUSER HeartlenilAq <br /> ON THE MINIMUM GRADE SPECIFIED IN THE TILE SIZE MACON COUNTY. <br /> LOCATION Decatur <br /> CHART ON THE TERRACE DESIGN SHEET sea 13 r 17N R 3E <br /> TERRACE CUT SHEET <br /> TSM Description: US.DEPARTMENT OF AGRICULTURE <br /> NATURAL RESOURCES CONSERVATION SERVICE <br /> D ..._..RONIwu....... ...t2d. MwmdbV ._.. __.• ,...... <br /> a... rtmWa4 vtt �' <br /> ....._....._...._....._._ .._�.,_ rte......._ <br /> TBM Elevation= ,,,q, <br /> s� Baa <br /> L ' <br />