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HomeMy WebLinkAboutMEP2022-00025 Plot Plan - PLN General - 11/17/2022GRAVEL CONSTRUCTION JNTRANCE 4"-6" QUARRY SPALLS (MIN.) NOTE: ENTRANCE PAD TO BE MAINTAINED IN A CONDITION TO PREVENT TRACKING OF DIRT AND MUD ONTO COUNTY ROAD TO THE BEST EXTENT POSSIBLE. PERIODIC ADDITION AGGREGATE MAY BE NECESSARY. Plan Max. 2% cross slope 6,,. Sheet Flow Dispersion from a Driveway 0/. Flat to Moderately Sloping Driveways Driveway Slope 1 1 1 1 1 1 1 Pre -approved Lawn and Turf Amendment Method 1. Scarify or till existing soils to a depth of 10 inches. 2. Place and rototill 1.75 inches of amendment into the top 6 inches of scarified soil for a finished depth of 12 inches of un-compacted soil. 3. Roll and rake to level. 4. Plant as soon as possible to prevent erosion. 5. The final topsoil layer must: • Be at least 8 inches deep. • Contain a minimum of 5% organic matter. • Have a pH of 6.0-8.0 or match the pH of the original pre -developed soil. NOT TO SCALE LOOSE OR FRACTURED SUB -SOIL LOOSE SOIL -`'_r'+� `'�� with visible dark - ' S• /. --t -�: organic matter ,,a oh-, - z 1• -�r' + •,„I. 'di, • r; r. W. i 4 • NATIVE SUB -SOIL SILT FENCE DETAIL FILTER FABRIC (MIRAF1 100X OR EQUIV. 48" WIDE ROLLS). USE STAPLES OR WIRE RING TO ATTACH FABRIC TO WIRE 4- BURY BOTTOM OF FABRIC MATERIAL IN 8"X 12" TRENCH 6' MAX. .L 2"X 2"X 14 GA. WIRE FABRIC OR EQUAL —N II N PROVIDE 3/4" - 1 1/2" DIA. WASHED GRAVEL BACKFILL IN TRENCH AND ON BOTH SIDES OF FILTER FENCE FABRIC ON THE SURFACE LI 2"X 2" WOOD POSTS, STANDARD OR BETTER GRADE OR EQUAL ® 6' O.C., HANDOUT "F SILT FENCE INSTALLATION AND MAINTENANCE Maintenance Fencing must be inspected regularly for damage. Silt fencing does break down under UV Tight. Sediment collected behind the fence must be removed so that this material does not push the fence over. SILT FENCE INSTALLATION AND MAINTENANCE Dig trench Reinforce Toe -in -fabric Monitor Stake Maintain and clean FILTER FABRIC-4" MATERIAL SLOPE 8" MIN. oe • >• • As instruments of service these drawings and design represented are the property of Estes Builders, LLC. Reproduction or use of these drawings other than for the project intended without written consent from Estes Builders, LLC. is prohibited Unauthorized use will be subject to legal action TIGHTLINE ROOF DOWNSPOUTS TO 6'6" DIAMETER DRYWELL (99.5 cf) SCALE 1' SIfEPE LOWER / pRIVEWAY TO /SWALE WIT CHECK DAMS 115' Shoreline Buffer NQ LINE • • ,CSTRUCTION STAGING AREA SLOPE NEW,-® / PARKING AREA 10 SHEET FLOW INTO VEGETATED BUFFE'R I I ♦ I • I I • ♦ ,/ I I •� • ♦ s ♦ 7 (/ I ♦ ♦ ♦ I I / / / / / PROPOSED DEVELOPMENT AREA WITHIN STREAM BUFFER BUILDING FOOTPRINT UNCOVERED FLATWORK UNCOVERED DECK DRIVEWAY PARKING AREA SEPTIC DRAINFILED 664 S.F. 24 S.F. 247 S.F. 720 S.F. 288 S.F. 360 S.F. SILT FENCE EXISTING TANKS TO BE DECOMMISSIONED PER COUNTY CODE • / r r r ' \ 4,0 PROPOSED SFR TO BE CONTRUCTED ENTIRELY WITHIN FOOTPRINT OF EXISTING CABIN STORMWATER PLAN 1. COLLECT RUNOFF FROM ROOF VIA GUTTERS AND DOWNSPOUTS WITH 4" TIGHTLINE AND DIRECT TO A 6'6" DIAMETER DRYWELL VIA A TYPE 1 CATCH BASIN. DRYWELL SIZING PER 2012 STORMWATER GUIDELINES OF 90 CFI 1000SF OF ROOF. 950 SF OF ROOF REQUIRES MINIMUM 85.5 CF OF DRAINROCK. 6'6" DIAMETER DRYWELL (3' DEPTH) PROVIDES 99.5 CF CAPACITY. 2. GRADE PARKING AREA AND UPPER DRIVEWAY TO SLOPE TOWARDS A 2' ROCK TRANSITION ZONE. STORMWATER SHOULD BE ALLOWED TO DISPERSE INTO A 10' VEGETATIVE ZONE BEYOND THE ROCK TRANSITION. GRADE LOWER DRIVEWAY TOWARD A SWALE WITH CHECK DAMS. 3. ESTABLISH AND MAINTAIN A STABILIZED CONSTRUCTION ENTRANCE. PER DETAIL THIRD PAGE. 4. ALL DISTURBED AREAS NOT BEING CONVERTED TO IMPERVIOUS SURFACES MUST BE COVERED WITH 8" OF TOPSOIL MEETING SPECIFICATIONS OF BMP T5.13. SEE DETAIL THIRD PAGE. 5. INSTALL SILT FENCE DOWNSLOPE OF' CONSTRUCTION AREA. PER DETAIL 3RD PAGE. House House Roof Gutter Flow Downspout Catch Basin (Yard Drain) Min. 4" dia. PVC Pipe DRY WELL PLAN VIEW (Not To Scale) Flay Fine Mesh Screen Mark Center of Hole with 1' Capped PVC or Other Means Flush with Surface Topsoil Catch Basin (Yard Drain) 15' Min. 48 Inch Diameter Hole Filled wth 1-1/2' to 3' Washed Drain Rock DRY WELL X-SECTION VIEW (Not To Scale) 48 Inch Diameter Hole Filled with 1-1/2' to 3' Washed Drain Rock Sides of Hole Lined with Filter Fabric 1 Min. 3' Min. 4 Min. 1' above Seasonal High Groundwater Table Typical Drywell Infiltration=System o 0 o oiLLJZQ c O� ij 7 0 f I— Q cr Ci)ozw wOo c:4 coz< As instruments of service these drawings and design represented are the property of Estes Builders, LLC. Reproduction or use of these drawings other than for the project intended without written consent from Estes Builders, LLC. is prohibited. Unauthorized use will be subject to legal action