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HomeMy WebLinkAboutSW8180705_Approved Plans_20181025I I r r SITS ��� , ' Q� �� ,',' TOPSAIL , r �r SOUND r LITTLE KINSSCW RD r _ TOPSAIL --' SOUND d ' ATLANTIC OCEAN VICINITY MAP NTS NOTES: 1. BOUNDARY BY STROUD ENGINEERING, P.A. 2. THE SUBJECT PROPERTY IS LOCATED IN THE 100 YEAR FLOOD ZONE. PROJECT DATA EX."24 RC.P( Ili I )) 3. 404 WETLANDS ARE FOUND ON THE SUBJECT...... 7•' PROPERTY, AS DELINEATED BY OTHERS. ` )I 4. UTILITY SERVICE PROVIDED BY TOWN OF SURF CITY. \ '~ --- 5. ALL RUNOFF FROM IMPERVIOUS SURFACES SHALL BE \ 6.... •. 6-- '. `'/ --"" �` I ) �6 DIRECTED TO THE COLLECTION/TREATMENT SYSTEM. `. —5-------�`'------ _� 6 �'' // �� I ��SEX, 24" 'RCP 3....... 9.. 3 .. 4- ----- �5�-- ._. .__--- ®- 5�. ... ... I�. 07 _4- 1 4 4 4 4 4... ::_:::::- ::: 4 :� 3 - 3__ ........- 3 : - ------ ::.-:.:2. 3. - 3 :::::::: ::::: :::::::::::::::3:: - 2 ---2--------------------------------------2---------------------------------....--2:...:.:::::::::�..-:-.-.:::::------..., 2-------- -------......-.-.-.---.'.------�::::::::::::3-.-_'.-.�.:-----------2-----------...- -...- ----- 1------ -- - 2---- -- --- ----- -----.1-------_----�---2--.-...._�:,--2 ..... 2 •. . N53 34 23 E 435.00 ... ..------- .........-- . ------------- t __ 0 0 . :2.: 2 Z - 1 • °: 1 Rs:. ° ..... 1 U' -- --0 . b wJ. -................ .........------------ NV'.2.0b kill Inn PARCEL ID ......... .... 4235-52-3852-0000 DEED BOOK/PAGE • ° ° ° ° ° ° ....... • • .. 3450/183 ZONING ...................................... C-3 PROPERTY AREA ..................•.... 2.10 AC 91,350 SF TOTAL BUA ........................ • • • . • 1.11 AC 48,136 SF % OF PROPERTY .................. • • • • • 52.69 % BUILDING ......•••••"•"......"••• 9,900 SF WALKWAYS •••••"°"'•"'•"......... 2,717 SF PARKING/DRIVE AISLES ...... • • • • 30,769 SF RESERVE .............................. 4,000 SF DISTUBANCE LIMITS ............•••••• 2.1 AC RECIEVING STREAM ......•.... TOPSAIL SOUND CLASSIFICATION ........................SA;HOW STREAM INDEX .................. • • • • .. 18-87-10 ® I a I --------- ----------, --- // SILT FENCE AT LIMITS OF DISTURBANCE 0 LEGEND PROJECT BOUNDARY EX WATER MAIN - - EX FORCE MAIN — STORMDRAIN WETLAND LINE - - - - EX CONTOURS -��4�= S WA L E «««««««««« SILT FENCE x DISTURBED AREA 7------- 20 0 20 40 GRAPHIC SCALE: ill = 20' Vt LL n G•J TALL WALL T0, MINIMIZE IMPACTS C A R, �i���i 'ESSfO��'�'���i �Q5 ti9<9 •a SEAL = 35677 J`�� UD l�tllll�� ]A#v L. ME IUS, P.E 6llZ-- ----- DATE .' I to ... I I �Ln I . : ' 7.8 '• { a I MATCH I,------- :I ; •DOWNSTREAM PIPE SIZE `� I PROVIDE 1!0 LF NEW \ CONCRETEIWALK TO �I ' MATCH EX 'BOARDWALK ELEVAT 101� I! O! /---5'� L.-J N :IYI-- LEI Ln iu a- • l ; 7.6 > `� I Q Im Ln C) < z =,0- : tn� Q O = i O ,O F zl EX: 36" _CMP _ __-__ _- -T _ INV NFV -' _-_ _. __ - j - i19Z I �I 7.7 i .1 ` �o PROVIDE 10 LF•,NEW CONCRETE ALK TO MATCH 90ARDWALK EX ELEVATIONI MATCH 24 "I -DOWNSTRE If PIPE SIZE PROVIDE 1ILF NEW I CONCRETE WALK TO MATCH EX BOARDWALK ELEVAT I ONi Ln I 7.8 I I LIMITS Or1 D I STURBANGE I I 4P /0 _ 2�; -I y I I I I ECEIVE JUL 0 5 2018 BY, 3MWATER AND GRADING PLAN LOT 45-A JH BATTS DIVISION NC HVVY 50 SURF CITY, NC 28445 SURF CITY TOWNSHIP PENDER COUNTY DEVELOPER: A 'N' A BUILDERS, INC. ADDRESS: 13480 INC HWY 50 SURF CITY, INC 28445 PHONE: 910-329-9800 STROUD ENGINEERING, P.A. NORTH CAROLINA DESIGNED: JHF DRAWN: DLM APPROVED: JHF DATE: 6/13/2018 102-D CINEMA DRIVE SCALE: 1" = 20' WILMINGTON, NORTH CAROLINA 28403 (910) 815-0775 SHEET: 1 OF 2 LICENSE NO.C-0647 NPDES NOTES SITE AREA DESCRIPTION STABILIZATION TIMEFRAME STABILIZATION TIMEFRAME EXCEPTIONS PERIMETER DIKES, SWALES, AND DITCHES 7 DAYS NONE HIGH QUALITY WATER (HOW) ZONES 7 DAYS NONE SLOPES STEEPER THAN 3:1 7 DAYS IF SLOPES ARE 10' OR LESS IN LENGTH AND FLATTER THAN 2:1 THEN 14 DAYS ARE ALLOWED, SLOPES 3:1 OR FLATTER 14 DAYS 7 DAYS FOR SLOPES GREATER THAN 50' IN LENGTH. OTHER AREAS WITH SLOPES FLATTER THAN 4:1 1 14 DAYS INONE (EXCEPT FOR PERIMETERS AND HOW ZONES) BUILDING WASTES HANDLING SEDIMENT BASINS 1. NO PAINT OR LIQUID WASTES IN STREAMS OR STORM DRAINS. 1. OUTLET STRUCTURES MUST WITHDRAW FOR BASIN SURFACE 2. DEDICATED AREAS FOR DEMOLITION, CONSTRUCTION, AND OTHER UNLESS DRAINAGE AREA IS LESS THAN 1 ACRE. WASTES MUST BE LOCATED 50' FROM STORM DRAINS AND STREAMS 2. USE ONLY DWQ APPROVED FLOCCULENTS. UNLESS NO REASONABLE ALTERNATIVES AVAILABLE. 3. EARTHEN -MATERIALS STOCKPILES MUST BE LOCATED 50' FROM NPDES SPECIFIC PLAN SHEETS NOTES STORM DRAINS AND STREAMS UNLESS NO REASONABLE 1. THIS PAGE IS SUBMITTED TO COMPLY WITH NPDES GENERAL ALTERNATIVES AVAILABLE. STORMWATER PERMIT NCGo10000. 4. CONCRETE MATERIALS MUST BE CONTROLLED TO AVOID CONTACT 2. THIS PAGE CAN BE APPROVED BY THE COUNTY PURUANT TO WITH SURFACE WATERS, WETLANDS, OR BUFFERS. NPDES GENERAL STORMWATER PERMIT NCG010000 ONLY. INSPECTIONS 3. THIS PAGE OF THE APPROVED PLANS IS ENFORCEABLE EXCLUSIVELY PURUANT TO NPDES GENERAL STORMWATER PERMIT NCGO10000. 1. SAME WEEKLY INSPECTION REQUIREMENTS 4. THE COUNTY IS NOT AUTHORIZED TO ENFORCE THE PAGE OF THE 2. SAME RAIN GAUGE AND INSPECTIONS AFTER 0.5 RAINFALL EVENT. PLANS AND IT IS NOT A PART OF THE APPROVED PLANS FOR THE 3. INSPECTIONS ARE ONLY REQUIRED DURING NORMAL BUSINESS HOURS. PURPOSES OF ENFORCEMENT ACTION UNDER THE COUNTY CODE. 4. INSPECTION REPORTS MUST BE AVAILABLE ONSITE DURING BUSINESS HOURS UNLESS A SITE SPECIFIC EXEMPTION IS APPROVED. 5. RECORDS MUST BE KEPT FOR 3 YEARS AND AVAILABLE UPON REQUEST. 6. ELECTRONICALLY AVAILABLE RECORDS MAY BE SUBSTITUTED UNDER CERTAIN CONDITIONS. EROSION & SEDIMENT CONTROL MAINTENANCE PLAN 1. ALL EROSION AND SEDIMENTATION CONTROL MEASURES WILL BE CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF - PRODUCING RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK AND WITHIN 24 HOURS OF EVERY HALF INCH RAINFALL. 2. ALL POINTS OF EGRESS WILL HAVE CONSTRUCTIONS ENTRANCES THAT WILL BE PERIODICALLY TOP -DRESSED WITH AN ADDITIONAL 2" OF #4 STONE TO MAINTAIN PROPER DEPTH. THEY WILL BE MAINTAINED IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE SITE. IMMEDIATELY REMOVE OBJECTIONABLE MATERIAL SPILLED, WASHED, OR TRACKED ONTO THE CONSTRUCTION ENTRANCE OR ROADWAYS. 3. SEDIMENT WILL BE REMOVED FROM HARDWARE CLOTH AND GRAVEL INLET PROTECTION, BLOCK AND GRAVEL INLET PROTECTION, ROCK DOUGHNUT INLET PROTECTION, ROCK PIPE INLET PROTECTION, AND GUTTERBUDDY INLET PROTECTOIN WHEN THE DESIGNED STORAGE CAPACITY HAS BEEN HALF FILLED WITH SEDIMENT. ROCK WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT POOL NO LONGER DRAINS AS DESIGNED. DEBRIS WILL BE REMOVED FROM THE ROCK AND HARWARE CLOTH TO ALLOW PROPER DRAINAGE. SILT SACKS WILL BE EMPTIED ONCE A WEEK AND AFTER EVERY RAIN EVENT. SEDIMENT WILL BE REMOVED FROM AROUND BEAVER DAMS, DANDY SACKS/SOCKS, AND GUTTERBUDDIES ONCE A WEEK AND AFTER EVERY RAIN EVENT. NOTE THAT THE GUTTERBUDDY IS REUSABLE SHOULD BE STORED OUT OF DIRECT SUNLIGHT BETWEEN JOBS. 4. DIVERSION DITCHES WILL BE CLEANED OUT IMMEDIATLEY TO REMOVE SEDIMENT OR OBSTRUCTIONS FROM THE FLOW AREA. THE DIVERSION RIDGES WILL ALSO BE REPAIRED. SWALES MUST BE RESTABLIZED WITHIN 21 CALENDAR DAYS OF CEASE OF ANY PHASE OF PHASE OF ACTIVITY ASSOCIATED WITH A SWALE. 5. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES HALF FILLED. THE SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. STAKES MUST BE STEEL. STAKE SPACING WILL BE 6 FEET (MAX) WITH THE USE OF EXTRA STRENGHT FABRIC WITHOUT WIRE BACKING. sTAKE SPACING WILL BE 8 FEET (MAX) WHEN STANDARD STRENGTH FABRIC AND WIRE BACKING ARE USED. IF ROCK FILTERS ARE USED AT LOW POINTS IN THE SEDIMENT FENCE, THE ROCK WILL BE REPAIRED OR REPLACED IF IT BECOMES HALF FULL OF SEDIMENT, NO LONGER DRAINS AS DESIGNED, OR IS DAMGED. 6. SEDIMENT WILL BE REMOVED FROM THE SEDIMENT TRAPS AND BASINS WHEN THE DESIGNED STORAGE CAPACITY HAS BEEN HALF FILLED WITH SEDIMENT. ROCK WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT POOL NO LONGER DRAINS OR WHEN THE ROCK IS DISLODGED. BAFFLES WILL BE REPAIRED OR REPLACED IF THEY COLLAPSE, TEAR, DECOMPOSE, OR BECOME INEFFECTIVE• THEY WILL BE REPLACED PROMPTLY. SEDIMENT WILL BE REMOVED WHEN DEPOSITS REACH HALF THE HEIGHT OF THE FIRST BAFFLE. IN SKIMMER BASINS, FLOATING SKIMMERS WILL BE INSPECTED WEEKLY AND WILL BE KEPT CLEAN. 7. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND MULCHED ACCORDING TO SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER. ALL SLOPES WILL BE SLABILIZED WITHIN 21 CALENDAR DAYS. ALL OTHER AREAS WILL BE STABILIZED WITHIN 15 WORKING DAYS. 8. FLOCCULANTS WILL BE USED TO ADDRESS TURBIDITY ISSUES. THE PUMPS, TANKS, HOSES AND INJECTION SYSTEMS WILL BE CHECKED FOR PROBLEMS OR TURBID DISCHARGES DAILY. NOTE: WETLANDS IN DISTURBED PORTIONS OF SITE SHALL BE PERMITTED BY USACE AND NCDEQ AS REQUIRED. CONSTRUCTION SEQUENCE I. INSTALL INLET PROTECTION, SILT FENCE, AND STONE CONSTRUCTION ENTRANCES. 2. CLEAR & GRADE 3. INSTALL UNDERGROUND UTILITIES 4. INSTALL PAVEMENT 5. PROVIDE 100% VEGETATIVE COVER OF ALL DISTURBED SOILS 6. CLEAN SEDIMENT FROM PIPES AFTER STABILIZATION. 2"-3" COARSE AGGREGATE 6" DEPTH 15� 0 00 O 0 00 - 0 0 0 0 O 9 O °° 0 0 °° ° o0a° 00 0% 0 0 0S1, °0 0 o o 6 o° 0. °®° o 00 8 .00 0 0 Q 0 0 0 o °0° 0 0000 0 P � 0 0 (3 0 0 0 20' CONSTRUCTION ENTRANCE DETAIL NTS COASTAL PLAIN SITE STABILIZATION SCHEDULE 1. Fertilize and lime per recommendations of soil tests or apply 2,000 lb/acre ground agricultural limestone and 750 lb/acre 10-10-10 fertilizer. 2. Incorporate lime/fertilizer 4-6 inches. 3. Roughen steep slopes by tracked machinery. 4. Select species based on season. Refer to tables. 5. Broadcast seeds evenly and cover by raking or dragging a chain. Firm soil by rolling. 6. Apply straw mulch at a rate 1-2 tons per acre. Anchor straw by tacking with asphalt, netting, or a mulch anchoring tool. A disk with blades set nearly straight can be used as a mulch anchoring tool. 7. Refertilize if growth is not fully adequate. Reseed, refertilize and mulch immediately following erosion or other doMGe. PERMANENT SEEDING TABLE 1 Seeding Dates Recommended Planting Rate (lb/ac) Feb. 15 Sep. 1 - - Apr. 1 Nov. 1 Tall Fescue Mixture see table 2 Apr. 1 - Aug. 1 Hybrid Bermudagrass see table 2 Apr. 1 - Jul. 15 Common Bermudagrass see table 2 Mar. 1 -Jul. 1 Centipedegross see table 2 PERMANENT SEEDING TABLE 20-LOW MAINTENANCE MIXTURES Site Description Recommended Planting Rate (lb/ac) Well to poorly Tall Fescue Mixture 80 drained soils Pensacola Bahiagrass 50 Kobe Lespedeza 40 Dry to well Pensacola Bahiagrass 50 drained soils Common Bermudagrass 30 Kobe Lespedeza 10 German Millet 10 Swales lCommon Bermudagrass 40-80 PERMANENT SEEDING TABLE 21b-HIGH MAINTFNANCF MIXTIIRFS Site Description Recommended Planting Rate (Ib/ac) Well to poorly Tall Fescue Mixture 200 drained soils Rye Grain 25 Dry to well drained soils Hybrid Bermudagrass 50 Well drained sandy loam to Centipedegross 10-20 sand, lawns. Notes: For seeding outside of recommended dates and/or for temporary stabilization, refer to temporary seeding table. For highly erosive areas or as directed by an engineer, sod shall be provided. TEMPORARY SEEDING TABLE Seeding Dates Recommended Planting Rate (lb/cc) Dec. 1 - Apr. 15 Kobe Lespedeza with Rye Grain 50 120 Apr. 15 - Aug. 15 German Millet 40 Aug. 15 - Dec. 1 Rye Grain 120 SOD INSTALLATION 1. Fertilize and lime per recommendations of soil tests or apply 100 Ib/1,000 sf ground agricultural limestone and 25 Ib/1,000 sf fertilizer. In the fall, use 10-10-10. In the spring, use 5-10-10. 2. Incorporate lime/fertilizer 4-6 inches. 3. Rake or horrow to achieve a smooth final grade. 4. Roll to och1eve a smooth, firm surface on which to lay the sod. 5. Lightly rake and irrigate top layer of soil just prior to installation. 6. Lay sod in a staggered, brick -like pattern with the longest dimension perpendicular to the slope. Avoid gaps. Use a knife to fit irregular shapes. 7. Roll sod lightly after installation to ensure good sod to soil contact. 8. Irrigate initially to wet soil to a depth of 4. Keep soil moist for 2-3 weeks thereafter or until sod has taken root. 4' (MAX) II II 2' i i 716 N (MIN) I I I l II II II II 1J IJ TYPICAL INLET PROTECTION NTS PROVIDE 50 CUBIC INCHES OF 10 LF 4" HOPE CLOSED CELL POLYETHYLENE FOAM PERFORATED PIPE PER LINEAR FOOT OF SKIMMER RING ATTACH -Y LINE BETWEEN SKIMMER..-EAD AND BERM/BOX TO ENABE SKIMMER RETRIEVAL AND MAI--NANCE 10 LF 4" HOPE P� \\ SOLID WALL PIPE FERNCO ADAPTER 4" HOPE TEE MODEL 1070-44 ~-T`1 4" SCH 40 P S-UBOUT SKIMMER ASSEMBLY PLAN NTS PROVIDE 50 CUBIC INCHES OF CLOSED CELL POLYETHYLENE FOAM PER LINEAR FOOT OF SKIMMER RING 10 LF 4" HOPE PERFORATED PIPE 2" (MAX) SKIMMER INTAKE DEPTH \L TEMPORARY POOL -� - �- OUTLET STRUCTURE 4" PVC CAP W/ 1.5" ORIFICE DRILLED IN LOWER 1/3 ORIFICE CONTROLS PERMANENT POOL ELEVATION ATTACH POLY LNE BETWEEN SKIMMER HEAD�ND BERM TO ENABLE SKIIMER RETRIEVAL 9 4" HOPE TEE ND MAINTENAKE 10 LF 4" HDIE `SOLID WALL . ... .PERMANENT - POOL - .... ........................................................................ DESIGN STORAGE VOLUME CONTAINED WITHIN FERNCO G)APTER ACTIVE DEPTH MODEL 1C70-44 4'SCH 40 PVC STSBOUT SKIMMER ASSEMBLY PROFILE NTS WIDTH = 10' TOP OF BERM = 6.00 2 p aDODO OQ 0 00�O� ELEV = 5.50 OO �O L°Oo fl p Qa0 c� �,O 4 Oa�'O �0i�_c�°c7�oO��n��r,r�Qa TREVIRA SPUNBOUND TYPE 11/120 FILTER FABRIC BASIN EMERGENCY OVERFLOW WEIR SECTION NTS SILT FENCE MATERIAL SHALL BE ACF LS100 "DOT GRADE" OR EQUAL. REFER TO SILT FENCE MATERIAL SPECS EROSION STEEL CONTROL STAKES FABRIC 3'-0" UNLESS OTHERWISE NOTED ON PLANS FILL WITH 1'-0" I EARTH I I I I . I I I 3' MIN. BURY I I I I I I I I TYPICAL SILT FENCE NITS NOTE: POSTS TO BE SPACED 6 FT O.C. OR 8 FT O.C. W/ 14 GAUGE 6 X 6 WIRE MESH REINFORCEMENT. WOODEN POSTS ARE NOT ACCEPTABLE TEMPORARY SILT FENCE MATERIAL PROPERTY REQUIREMENTS Grab Strength ASTM D 4632 Machine Direction 90 Ibs MARV X-Machine Direction 90 Ibs MARV Permittivity ASTM D 4491 0.05 sec-1 MARV Apparent Opening Size ASTM D 4751 #30 Sieve Max ARV UV Stability ASTM D 4355 70% after Typical 500h of exposure 12' THICK CLASS B RIP RAP STORM GRATE REINFC CORN MAI COr OUTLET STRUCTURE SLOT CONTROLS TEMPORARY POOL ELEVATION OUTLET STRUCTURE \ 4" PVC CAP W/ 1.5" ORIFICE DRILLED IN LOWER 1/3 ORIFICE CONTROLS PERMANENT POOL ELEVATION LATH AND FLAGGING CN 3sl-- f- LAG SCPEWS OUTLET STRUCTURE DETAIL N. T. S. BAR TRASH RACK ON TOP OF CRETE OUTLET STRUCTURE K TO BOX BY TURNING DO NOT GROUT. "EMPORARY POOL MEASURED AT I" PVC THROUGH FITTING IE 1.5' BETWEEN FLANGE BEND AND REDUCER TO 'E 1' ORIFICE DEPTH a" PVC CAP W/ 1.5" ORIFICE DRILLED IN CENTER GALVANIZED WIRE CLOTH TRASH SCREEN OVER PVC CAP MAXIMUM WIRE SPACING 0.5" SECURE CLOTH AROUND SKIMMER HEAD WITH A PIPE CLAMP FLATTEN INTO DUCKBILL SHAPE 0.75' FROM END OF CAP WITH CABLE TIES ------------------------------------------ TOP.OF.BE.RM:. 6.OQ......... ... 3 3- 1------------------------------------- TEMPORARY ---- ....5,Ofl................ --- .......... ........ ----------- ------. . - ------ ------ ---- 1 -- PERMANENT POOL: 3.00 6'WIDE 6:1 VEGETATED SHELF 2 1 Lio 1 2 BELOW PERMANENT POOL SEDIMENT STORAGE o SEDIMENT STORAGE 1 ._...- ELEV (-1.001 ELEV = 1.00 ------------------------------- POND BOTTOM: (-2.00) 12" THICK RIPRAP ON F ORBAY WEIR FOREBAY BOTTOM - AT ENTRANCE: (-2.001 AT EXIT: 0.00 TYPICAL POND PROFILE saNOSAG 10 mtl Pt -AM LINING figNilffiV SECTION A A NOT TO SCALE -- Immif BERM OBAG NOT TO�SCALE CONCRETE WASHOUT i -OMW SIGN DETAIL � QVd (OR EQUIVALENT) Its mill PLASTIC LINING TYPE "BELOW GRADE" AINTENANCE Concrete washouts should be inspected daily and after heavy rains. Damages should be repaired promptly. if filled to over 75 %capacity with rain water it should be vacuumed or allowed to evaporate to avoid overflows. Before heavy rains the containers liquid level should be lowered or the container covered to avoid an over flow during rain. When solids have hardened they should be removed and recycled. CONCRETE WASHOUT DETAILS DETAIL OF DANDY CURB SACK INLET SEDIMENT CONTROL DEVICE WITH CURB FILTER NTS NOTES 1. ACTUAL LAYOUT TO SE D>^ MRNOED IN THE FIELD. 2 A CONCRETE WASHOUT SIGN SHALL BE INSTALLED WITHIN V OF THE TEMPORARY CONCRETE WASHOUT FACILITY. URB (LTER OPTIONAL OUTFLOW PORTS MPING 'RAPS N. T. S. THE 6:1 VEGETATED SHELF SHALL INCORPORATE A MINIMUM OF THREE TYPES PLANT SPECIES A RATE OF 1 PLANT PER 4 SQUARE FEET. VEGETATED SHELF AREA:-2216-SF. PROVIDE -554- EMERGENT PLANTS RECOMMENDED PLANTS INCLUDE: SWAMP MILKWEED. SEDGES, WHITE TURTLEHEAD, AMERICAN CRINUM LILY, SWAMP LILY, WHITE STAR GRASS, WILD AGERATUM, DWARF JOE PYE WEED, JOE PYE WEED, SWAMP SUNFLOWER, PINELANDS MALLOW, SCARLET ROSE MALLOW, NECHES RIVER MALLOW, VELVET MALLOW, ROSE MALLOW, SPIDER LILY, SPRING MARSH SPIDER LILY, DWARF SPIDER LILY, TRAUBS SPIDER LILY, SEASHORE MALLOW, CARDINAL FLOWER, BLUE LOBELIA, PLUMEGRASSES, ATAMASCO LILY POND SLOPES ABOVE THE VEGETATED SHELF SHALL BE STABILIZED PER THE SITE STABILIZATION SCHEDULE. POND SHALL BE KEPT FREE OF CATTAILS. DO NOT PLANT TREES OR WOODY VEGETATION ON POND EMBANKMENT SLOPES. POND EMBANKMENT SLOPES SHALL BE STABILIZED WTIH NON -CLUMPING TURFGRASS. 4 „L „ A PIPE A °c o• C L A S S B R I P R A P W, FLARED END o e ca o �o °o SECTION 1 2 PLAN VIEW FINISH GRADE TOP OF BANK PIPE-----FLOW'LfNE a-fi[�TI9II�11®11 18 CLASS B � RIP RAP FILTER FABRIC SECTION A -A FILTER FABRIC TO BE TREVIRA SPUNBOUND TYPE 11/120 RIP RAP APRONS SHALL BE PROVIDED ON DOWNSTREAM ENDS OF CULVERT FLARED END SECTIONS C A R ��� �ESSIp4, .-V •a SEAL , 35677 C'` //ga � ',�76 1111V \\N` OVOID L. ME IUS, -PE 6/-1Q 8 DATE --- RIP RAP APRON DETAIL NTS RIP RAP APRON SCHEDULE PIPE LENGTH WIDTH 15 7.5' 3. 8' 18 9.0 4. 5' 24 12. 0' 6. 0' 30 15 0' 7. 5' 36 18.-0 9.0' ��Eev�D ` JUL 0 5 2018