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Home My WebLink About20010357 Ver 1_Site Plan_20080821 Rev: Date: w ~ ~ v ~ N o rm a c r a s 9 n U ~ 4 ~ ~ d- o0 ~ Z n ~ ~ ~,~~a, c~ ~ ~ ~ ~ ~ ~ ~ c~ ~ . . 4~ ~ 0 o ~ w 1 IB • w ~ ~j p-I 10 -6 2 H :1 Slo a Max M p( ) ( 2(H):1(V) Slo~e(Max) (see Note 2) Geos nthetic Reinforcement (see Note ) Y tin/ Top of Emabnkment a ers (Op 0 a) Elev. 350 Y Erosion Control Mat (NONiAme~kena.enPb50mEquh~xq 95% compacted impermeable soil in 8-inch thick lifts Foreba Side ~ yr. o e eva ion o le 00 ",,„,n.. t'. ~..•y. •~r rat .r ~••»qn t.•~•rr. ~ lev. 346 ' ~ ».•yw..• ft 'i rN „1 w..C 4"~ ? a ~:r"',«"g. t• 1. Ar fi,A,•~...a~• +i'••?• n .w ' '4r~':•: r ~ a. M i .a.e. e•'~t • • ~ti... 11 ,r' •}'~•A'E~+•r. f Nrrh'~{il~,~ ? ti~ rw %N . • ni...f~C• r~ C„y'K~ Mln• . ~ U n i n of ou at o e Drain • To Compacted Filter Fabric (see Note S) impermeable soil c~ see Note S a ( ) ~ ~ ~ w 44 Elev. 3 Lv Normal Pool e ~ ~ Line of Cut b v Not To Sca e 1 9 In. ~ v 1~o V a - hi lifts and coin 1. The fell materrals should be laced m 8 inch t ck p p and compacted to a minimum of 95% of Z r T tin within r maximum d densit of Standard Procto es g 3 pe ce rY Y shin 3 percentage points of the optimum moisture content. 'o 2H 2. The slo es of the embankment should not be steeper than ( ) P IIIII r than 2(H):1(1/). If maintenance of the forebay is a 11 11 ~ I I i t fired. The slo es and tf' 1 re wired, 3 .1 V or flatter slope s equ p / q O O opes and the top of the emaankment must be \ / ~ ~ covered with a hi h velocit resistant erosional control mat (Nord ~I mat (North American Green P550 or Equivalent). ~ ~ / 9 Y ~ ~ ~ / The erosion control mat should be laced and fastened to the ei °oooo / P \ °o o° / led to the embankment in general accordance with ~ N ~ o° °o , manufacturers uidelines. ~ 9 ~ ° i ~ ° ~ 3. The Plasticit index of the fill m the proposed emabankment she nkment should not be less than 15 and liquid limt o Y ~ o ~ o ~ should be rester than 30. g o ~ 01 ~ ~ _ ° o 4. The ermeabilit of the fill materials should be 3.33e-09 ftlsec or p Y 09 ftlsec or less. ~ O ~ N 0 5. The material used in the toe drain should be a coarse grained s. e grained sand or clean washed stone (NCDOT 57 stone) ® ~p ' ~ e o o - 0 0 wrapped in filter fabric. o o iy ~ N ~ _ 6. All slo es must be overbuilt a minimum of 4 feet and then cut bC o o P then cut back to the desired final slope. Q~ ~ ~ ~ ~ o o 7. The foundation soils should be stripped of all vegetation, orgarn~ ~ o 0 bon, orgarnc material, soft and loose soils before ~ ~ ~ 00 i o 0 ~ ~ ~ ~ 0 o placing the fill ~ o 0 ° ° bankment should be observed b a ualified and ex eriE ~ 0 8. The em Y q p / o° ~ and experienced geotechnical engineer or ~ ~ ~ ~ ~ / ° o ° ° o ° ~ his re resentative for uali assurance purposes. DMA can pro P q tY VIA can provide these services if desired. e° b ~ , ~A ~ ~ ~ ned based on the information supplied to the ~ w 4~ ~ , , ~ ~ 9. The above mentioned material arameters are assumed based ~ ~ p ~ ~ en ineer. If this information does not re resent the actual soil t / \ g p / \ actual soil to be used, the engineer shall be notified ® ~ ~ . ~ cd C ~1 I I 1 ~ immediate/ which ma result m redesi n/anal sis. A Geotechn IIIII Y9 Y 9 Y ~ Geotechnical report was not provided to the design ~ ~ ~ ~ n r es Ie grades, please inform us immediately for review of our _ ® ~ ~ ® ~ en ineer. If there are an chap es m materials a d g ad , p 9 Y g - ~ ~ desi n. 9 ontractor. 10. Work shall be erformed onl b an experienced c p YY (tractor. ~ ~ `p vi documentat 11. The owner and/or eneral contractor shall pro de iocumentation produced by a full-time professional g iv th en ineer of eotechnical en ineer or his representat a to e g g g ;ngineer of record and the building official. This U ' d concurrent/ as construction documentation should be provsde y construction progresses. nt 1 12. If a eotechrncal en ineer other than DMA observes co s ruc s construction of the wall, a written and sealed o inion rotluced p p Pro'ect: 08-331-0623-01 g g ' the a ro g the appropriateness ofthe soil parameters assumed b that en ineer must be rovided to DMA regarding pp Y 9 p eotechnical en ii for the ur ose of this design and the onsite g g pp hnical engineer is reponsible for certifying the wall, not the en ineer of record DMA . ( ) g Date: 07-18-08 Scale: NTS ~ D L~~ c4..,~.~. n ~ AUG 21.2008 X71 IGGI. J- DENR-WATER QUAUTY i WETLANDS AND STORMWATER BRA