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HomeMy WebLinkAbout19991050 Ver 1_Complete File_19990924State of North Carolina Department of Environment and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Bill Holman, Secretary Kerr T. Stevens, Director D E N R October 25, 1999 DWQ# 99-1150 Jackson County C.R. Styles, P.E. District Engineer North Carolina Department of Transportation P.O. Drawer 250 Bryson City, NC, 28713 APPROVAL of 401 Water Quality Certification Dear Mr. Styles: You have our approval, in accordance with the attached conditions, to pave Secondary Road 1729 and extend two pipe culverts in unnamed tributaries to Tuckaseegee River in Jackson County, as you described in your application received by the Division of Water Quality on October 19. After reviewing your application, we have determined that this fill is covered by General Water Quality Certification Number 3103. This Certification allows you to use Nationwide Permit Number 14 when it is issued by the U.S. Army Corps of Engineers. In addition, you should get any other federal, state or local permits before you go ahead with your project including (but not limited to) Sediment and Erosion Control, Non-Discharge and Water Supply Watershed regulations. Also this approval will expire when the accompanying 404 permit expires unless otherwise specified in the General Certification. This approval is only valid for the purpose and design that you described in your application. If you change your project, you must notify us and you may be required to send us a new application for a new certification. If the property is sold, the new owner must be given a copy of the Certification and approval letter and is thereby responsible for complying with all conditions. If total wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the conditions listed in the attached certification. If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition which conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and its conditions are final and binding unless you ask for a hearing. Non-Discharge Branch 1621 Mail Service Center Raleigh, North Carolina 27699-1621 Telephone 919-733-1786 FAX # 733-9959 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper Y. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please telephone John Dorney at 919-733-9646. Sincerely, . S evens Attachment cc: Corps of Engineers Asheville Field Office Asheville DWQ Regional Office Mr. John Dorney Central Files 991150 • I I r_, dµ4 STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION JAMES B. HUNT JR. DAVID MCCOY GOVERNOR SECRETARY October 7, 1999- 77D Jackson County - = SR 1729 --- E rn? Mr. Bob Johnson 215 Army Corps of Engineers Reg. Field Office ° Room 75, Grove Park Ave. °"?`°'°'- Asheville, NC 28801-2714 Dear Mr. Johnson: The North Carolina Department of Transportation is proposing to grade, drain, base and pave primarily along the existing roadway of SR 1729, Stevens Road in Jackson County. In order to construct this project in accordance with our current secondary road standards and due to the replacement and extension of two (2) pipe culverts in two unnamed tributaries of the Tuckasegee River (DEM Class WS III & B, Tr), we are requesting authorization under Section 404 of the Clean Water Act. I am sending a straight-line diagram with our proposed erosion control and construction limits at various sites along this project. In addition, a typical section of the road, drawings for the pipe replacement/extensions in the unnamed tributaries of the Tuckasegee River, general notes and standards on erosion control measures, and a marked County Map are enclosed. We propose to install the new culverts slightly below the existing stream bed elevation where bedrock is not encountered to minimize impact to Wildlife habitat and allow the existing stream gradient to remain as unchanged as physically possible. The best management practices will be used to minimize and control sedimentation and erosion on this project. The construction foreman will review all erosion control measures daily to ensure sedimentation and erosion controls are being effectively controlled. If the planned devices are not functioning as intended, they will immediately be replaced with better devices. The silt fences and other erosion control devices will be in place prior to pipe construction and will remain in place until the project is stabilized. P.O. Box 250, Bryson City, NC 28713 Phone (828) 488-2131 Mr. Bob Johnson Page 2 October 7, 1999 By copy of this letter I am asking Mr. Mark Davis, Habitat Coordinator Western Mountain District, of the NCWRC to comment directly to you concerning the 404 Nationwide permit request. Also by copy of this letter, I am requesting authorization to proceed under Section 401 of the Clear Water Act from Division of Water Quality. In addition, I am asking Mr. Davis and Mr. Ed Ingle, Area Roadside Environmental Engineer (NCDOT), to comment directly to me concerning this permit request. We would like to begin construction as soon as possible. If further information is required, please advise. Your early review and c ideration will be appreciated. Yours t , C. R. tyle P. E. District ineer CRS:sd atta. cc: Mr. F. D. Martin, P. E., Division Engineer Mr. E. L. Ingle, Area Roadside Environmental Engineer Mr. John Dorney, Division of Water Quality, DENR Mr. Mark Davis, Habitat Coordinator W. Mtn. Dist., NCWRC P.O. Box 250, Bryson City, NC 28713 Phone (828) 488-2131 DWQ ID: CORPS ACTION ID: j NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT #) 1 PRE-CONSTRUCTION NOTIFICATION APPLIC FOR NATIONWIDE PERMITS THAT REQUIRE: t 1. NOTIFICATION TO THE CORPS OF ENGINEERS 2. APPLICATION FOR SECTION 401 CERTIFICATION 3. COORDINATION WITH THE NC DIVISION OF COAST. 'W _` GEM SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO ATE FIELD OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES SHEE N (7) COPIES MUST BE SENT TO THE NC DIVISION OF WATER QUALITY) ATTN: JOHN DORNE i,4401 REEDY CREEK ROAD, RALEIGH, NC 27607. PLEASE PRINT. 1. OWNER'S NAME: NC DOT - District Engineer: C R Styles, P.E. 2. MAILING ADDRESS: P.O. Drawer 250 SUBDIVISION NAME: N/A Bryson City STATE: NC ZIP CODE: 28713 CITY: PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT FROM MAILING ADDRESS ABOVE): 5 % 7 Z ' V n f f?A d lJ C u , 3. TELEPHONE NUMBER: (HOME) (WORK) (828) 488-2131 4. IF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE OFFICIAL, ADDRESS, PHONE NUMBER: Same as above # 1 5. LOCATION OF WORK (PROVIDE A MAP, PREFERABLY A COPY OF USGS TOPOGRAPHIC MAP OR AERIAL PHOTOGRAPHY WITH SCALE): COUNTY: 0-im 1cS d /J NEAREST TOWN OR CITY: SPECIFIC LOCATION (INCLUDE ROAD NUMBERS, LANDMARKS, ECT.) Jr I l 7 Z Ta v e n,S /c a cl, G? Cc o ( ::f? /Z /zg Sark c fj Cv 6. IMPACTED OR NEAREST STREAM/RIVER: n A & c-, i '•? -t h Q_ / ?- c. k (-. S e ? 0 e e r P? PnC GJ RIVER BASIN: / t 1 I'. eN n 'I. _K5 R' 1 7. (a) IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL SALTWATER, (SA), HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURCE WATERS (ORW), WATER SUPPLY (WS-I OR WS-II)? YES E] NO F] IF YES, EXPLAIN: uss 91 (b) IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL MANAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC)? YES NO [c] IF THE PROJECT IS LOCATED WITHIN A COASTAL COUNTY (SEE PAGE 7 FOR LIST OF COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION? _ 8. (a) HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON THIS PROJECT? YES ? NO IF YES, PROVIDE ACTION I.D. NUMBER OF PREVIOUS PERMIT AND ANY ADDI IONAL INFORMATION (INCLUDE PHOTOCOPY OF 401 CERTIFICATION): (b) ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE' FUTURE? YES E] NOX IF YES, DESCRIBE ANTICIPATED WORK: 9. 10. (a) ESTIMATED TOTAL NUMBERS OF ACRES IN TRACT OF LAND: Z , SF? (b) ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE: A/0 / 0 ? (a) NUMBER OF ACRES OF WETLANDS IMPACTED BY THE PROPOSED PROJECT BY: FILLING: FLOODING: DRAINAGE : EXCAVATION: OTHER: TOTAL ACRES TO BE IMPACTED: (b) (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF RELOCATED, PROVIDE DISTANCE BOTH BEFORE AND AFTER RELOCATION: LENGTH BEFORE: FT WIDTH BEFORE (based on normal high water contours): FT WIDTH AFTER: FT AVERAGE DEPTH BEFORE: 2 FT AFTER: AFTER: FT FT (b) (2) STREAM CHANNEL IMPACTS WILL RESULT FROM: (CHECK ALL THAT APPLY) OPEN CHANNEL RELOCATION: PLACEMENT OF PIPE IN CHANNEL: Y7 CHANNEL EXCAVATION: CONSTRUCTION OF A DAMNLOODING: OTHER: 11. IF CONSTRUCTION OF A POND IS PROPOSED, WHAT IS THE SIZE OF THE WATERSHED DRAINING TO THE POND? N/A WHAT IS THE EXPECTED POND SURFACE AREA? N/A 12. DESCRIPTION OF PROPOSED WORK INCLUDING DISCUSSION OF TYPE OF MECHANICAL EQUIPMENT TO BE USED? (ATTACH PLANS: 8 ''/:" BY 11" DRAWINGS ONLY): To widen and pave SR / 7 1-11 meet current MT Standards by use of track hoes, bulldozers, duap trucks, back hoes, manual labor, etc. 13. PURPOSE OF PROPOSED WORK: Same as above in # 12 14. STATE REASONS WHY IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED OUT IN WETLANDS (INCLUDE ANY MEASURES TAKEN TO MINIMIZE WETLAND IMPACTS) To gain the needed width to build SR 17 Z Ot to MT Standards. AlI-Channel changes will be constructed in the dry Rip rap will only be used for bank stabilization. Alders, Red Maples, Black W In Will 5ycan-ores, Do s etc. will be re-established on the banks. All i rg lacements will be laced slightly below the existing streambed gradient so natural 15. YOU ARE REQUIRED TO CONTACT THE US FISH AND WILDLIFE SERVICE AND/OR NATIONAL MARINE FISHERIES SERVICE REGARDING THE PRESENCE OF ANY FEDERALLY LISTED OR PROPOSED FOR LISTING ENDANGERED OR THREATENED SPECIES OR CRITICAL HABITAT IN THE PERMIT AREA THAT MAY BE AFFECTED BY THE PROPOSED PROJECT. DATE CONTACTED: Handled b Cor s. 16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER (SHPO) REGARDING THE PRESENCE OF HISTORIC PROPERTIES IN THE PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED PROJECT. DATE CONTACTED: Handled by Corps. 17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OT THE USE OF PUBLIC (STATE) LAND? YES X NO ? (IF NO, GO TO 18) (a) IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT? YES F] NO gq (b) IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH CAROLINA DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE YES E] NO ? N/A IF ANSWER 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE STATE CLEARINGHOUSE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT. QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD BE DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH, NORTH CAROLINA 27603-8003, TELEPHONE (919) 733-6369. 18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF PROPOSED ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OF FILL MATERIAL INTO WETLANDS: (a) WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS, LAKES, AND PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14, 18, 21, 26, 29, AND 38). ALL STREAM (INTERMITTENT AND PERMANENT) ON THE PROPERTY MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50 FEET OF i INCH EQUALS 100 FEET OF THEIR EQUIVALENT. (b) IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE IMPACTED BY PRODUCT. [c] IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA SHEETS RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE. (d) ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED. (e) WHAT IS LAND USE OF SURROUNDING PROPERTY? Rural woodland, RPCiriantial (f) IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL? N/A (g) SIGNED AND DATED AGENT AUTHORIZATION LETTER, IF APPLICABLE. NOTE: WETLANDS OR WATERS OF THE US MAY NOT BE IMPACTED PRIOR TO: 1. ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT, 2. EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF WATER QUALITY CERTIFICATION, AND 3. (IN THE TWENTY COASTAL COUNTIES ONLY), A LETTER FROM THE NORTH CAROLINA DIVISION OF COASTAL MANAGEMENT STATING THE PROPOSED TIVITY IS CONSISTENT WITH THE NORTH CAROLINA COASTAL MANAGEMENT R GRAM. OWNER'S/A EN SIGNATURE DATE (AGENT'S SIGNATURE VALID ONLY IF AUTHORIZATION LETTER FROM 4 i Lot / ao ..t Bus. I Si:1 •? '?`'?F 171 ltYl 1194 :' t? 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S' 45 - ' •'ac ?' \ Jl/ / c/. ?\. • ti .n railer p 77 /.^\ir .a , • •'\ \III ,\"??••: /??^?. ,- ^-? p/l_?/'?. Ni,WYKE\\ CEM ' I ? i' • q (???J \ 7 f ? .l `:?`J/.\ 1??J? >j ?r_ - .` lhc\ y _ ? //? / y e 1001 V /2 --? a ?too 2160' tl • 1 a• - .s.•?a?.9p ..l l`\ C ' ,/ / C ? ?;-? >r=: '? ./ 14 ?t ?_' 0U _ Tr tier aras.?"/?i ?;r 1, / i' /?:_'_ f_•' ° e ; j- ROAD NAME Sri e.?s _ S_R ?7Z9 _ W.0 FROM DSO' 74> ADD ITION IMPROVEMENT TO BE PAVED P. POLES TO 8E MOVED T. POLES TO BE MOVED R /W WIDTH SCALE 2),,q 'V - PV - 9 9 2 ?s 3, ,Railroad ..:'.•.'. • ...................... . . C :.Control of Access Line.'......:. • • . • a Slope Stalte Dine ..................... , -B rid :Culvert ' wooas ....: ....... :..... . Telenlione or.Telegrtiph Pole ......... it:?i>'t• -o- it'ttot1 ••O- :Tower Pole and Line... • Power Pole . • ' ?.,•. ..... • ar.?is'a a I ct??tot? .b 1 .i?asemcn! Line...:.::...:: e .........:. . Guard Rail ..' ....:................?... Sanitar • Sewei -Line. • ...... • .. • ... ; -~- Water Line..'*** ..` ................... . , - G AS ? -0-- Gas Ling .•.. ; ..:..:.'::...:.........•? • , 1?ttat,usr:l]. r:XIS• STING Chain Linl•: fence.' ................... Woven Wire Fencc e e e .•• • • e e . . • • • • s e RegcnCt•!tcivrl . • • • • • • e • e e e e•. • , • = •'s • . • • ?.? ?.7 Reroi'estatioi? ':...::.... e • ............: Temporary Silt Ditch :..........:..'.. TSU ?-- Te iii o r,t rv Silt Felice ................. Teniporai=y.Slope'•DrI,lln? .. .:..:...:....:. . Brush L?trrit?r?:•• •::'_:.•....:.............•. _ _%? Silt Check Dam 1'yj)e A•.•............:: •' Silt Checlc Dam 1)pe.I3 ..'.......... • .. Silt Basin 'I?'pe'A• ...:.:'....:?...........' . ' `" SiltBasiri T31:)eB.......... ?•.:.:.•• •. Roelc Silc Checlc Dam ........... • • . • • • • U'heLll Heim .,•.;:,•••. ..•..•.... Temp•• Slone Ditch Check ........ nrr,t?.n •? ?.`?'•."V`. rte` Jf?'`/'J • 1 T_Jf S /vAl 2 S/L l 1J?'?J• IoUCJ G//J1,e ?E'.E'T• ?G/Z ?+ y? 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P O O NE I?LTH CHECK O TEMPT ROCK SIL'K`CHECK .DAM SILT -BASIN TEMP SLOPE DRAIN TEMP SILT DITCH EARTH EMBANKMENT SI LT FENCE FIBERGLASS ROVING RI P RAP -TSB- ,=--- FGR --- '?r 2,2& TEMPORARY SILT FENCE: A temporary silt fence is commonly used at the toe of a fill section to prevent off- site sedimentation. It is made of permeable filter fabric buried at the bottom, stretched and supported by steel posts. The silt fence reduces the water flow while retaining the sediment. They may also be used to divert water flow to protected outlets. Silt fences need to be checked after each significant rainfall to ensure there effectiveness. They must be maintained on a regular basis. Silt fences shall not be installed across streams, ditches, or waterways. AREAS OF USE: • At toe of fill sections where sediment runoff can be stored and contained inside the project limits. DESIGN CRITERIA: Material With Wire Without Wire Fabric Type 3 Class A Type 3 Class B Steel posts length 5 ft 5 ft. Post spacing 10 ft. 6 ft. maximum 17 March, 1992 _¢ ! = ri 117 _ ??I= az W I?? ma E» U - - m of W zo LL C/) ----- Nz ?z ?:a ww F d m l I Z •r CO ? => '4 <E zw o oaa m C?? 521 _x 5 U. 14 C w .] _ Cl Z E-' - n Czir w Z¢ _ -- O ¢ ?mw 1 y :0 dN `,Cw 0 C,ii ?dN maOwON G Z- a? zww Vm < /E w ?.. a0> C ?F ¢Z[.7Z?F r?n Z? ?_ 3 ¢63 ?dFw-?fs.G7 Vl _ I ! ¢Z wmm UxO=QOM 3• VF] r*? AC ?CCCF?mF !Cr ' 1¢3 d36}?pw 0'O ; a. c ? • E-V (n w zoo dF tr m' O? wG-3ZEw: ZE---•wF w 'J l:Q mw F?cO¢wCo rFCUs]FC7V l'a,w w Zm O ZG.CL Cz.GG?- ¢? Z _Oto OCzO .mod iW a < Cr F Cn :o Z¢ 1 8 March, 1992 SILT BASIN TYPE-B: A silt basin type-B is a temporary basin built to collect sediment flowing through a drainage way. The silt basin is built at the base of the ditch with its length being at least 2 times the width of the basin. The type-B silt basin is generally built in conjunction with temporary rock silt checks and other devices that control or slow down water flow. This device must be monitored closely and cleaned out on a regular basis until grass is established along the ditch line and sedimentation is no longer a problem. AREAS OF USE: • In conjunction with temporary rock silt checks and other devices used in drainage ditches. DESIGN CRITERIA: • Width - variable • Length - 2 times width • Depth - 2 ft. minimum storage - 1800 cubic feet/acre (equals L x W x D) 23 March, 1992 d? 1 I!V i i s z a J a 24 J - II II? O lllll? S as ill! ? = m IIIIII Ili II Hill - ?!il?llll?l lil?l = 1 II I? - s - _ N - IIII? ? II!i! W - = i l 111= S _- H ! 1 - iP 'I ! m I!?I11 z O w J w m W CL ~ z "l. Z m = Z .? z to z? O '= Q E-,. co s- W z i ' Z, p_ O N ? L i March.1992 m mm ROCK PIPE INLET PROTECTION TYPE-A: • A rock pipe inlet protection type-A is a horseshoe shaped structure with a built-in sediment storage area around the outside perimeter of the structure. The type-A rock pipe inlet protection shall be used at pipe inlets no larger than 36 inches in diameter where it is receiving flow from several directions. The type-A rock pipe inlet protection utilizes class-B stone lined with #5 or #57 stone to protect drainage pipe structures by trapping sediment before it enters. They have a sediment storage pit which is designed by the same procedures as a silt basin. AREAS OF USE: • At inlets to pipes no larger than 36 inches in diameter where it receives flow from several directions. • In areas where it can be cleaned and maintained on a regular basis. DESIGN CRITERIA: • Structural stone - class-B stone • Sediment control stone - #5 or #57 stone • Sediment storage area - 1800 cubic ft./acre • Dam height - 3 ft. minimum 33 March, 1992 f ? Q W a_ a 3 ?. r ?I cr w z _ ,z-j J w w E ? Q E-?z O?z >- (AFO O E n. W 0.W E Z ?_ -Z..IZWU 30= O W O W Tan= J m -C F in w C4 [s. FZfsCl. FO a Z J • a V) 0 0E-0 0uOz0 and cn C4 a ? ?TOaazvzzAxa?owawz Fm W FO wWZFW MLM(n U aT avF)O=T aEn.OJZEa.3 Z ix-3 7L1; xAJw 6wLLW= CL 04 W E.. U J F W W Ew-•? azzzN <0Ix z0UT W O W T000 TE0C40 UET z M VJUEU &0EnCL.fl.U QOE z I m z - . Q l.. CO 0 a' 0 J Q ? !? 2J O U Q Q O z . a 'w? a lal I ? ' I I cr Cl) 1 > O Z f--+ o F-- U vri Q W J Q Q O ~ @ Z Z ? M ? 1 CC 0 o ? Z .. .? . Q r a_ ?' ?-? W z z U Z w== o w 0 cn (n W `' z ,?; 0 O0= Z In lf) U Y E- Z o O J w z 0 Z N O N 0 N O Q O a m Z 0 r 0 Q N N :z- F- o 0 z 0 - (!) 0 J LL Z O Y: ¢. 0 V,01 i N Z¢ I N ° w ° h 34 March,1992 ROCK SILT SCREEN: A rock silt screen is a low-level dam structure to be used in streams below culvert sites. Rock silt screens shall be used to trap sediment transported by running water and shall be placed in the stream below the construction site within the right-of- way or easement boundary. The rock silt screen utilizes class B stone lined with #5 or #57 stone to produce a ripple-effect in the stream to settle the larger sediment particles transported in the stream from the construction site. The trapped sediment shall be cleaned out before the device is removed from the stream. AREAS OF USE: • In live streams below construction sites where construction occurs in or adjacent to the stream. • In live streams below a culvert construction site. • Where it can be cleaned before it is removed from stream. DESIGN CRITERIA: Structural stone - class B stone Sediment control stone - # 5 or # 57 stone Dam height - 1.5 ft. minimum and 3 ft. maximum ( shall not be higher than 1 ft. above normal flow of stream) 37 March, 1992 I Y l s ? w W m - t o CL O W ~ Co C 1 Z a 0 0 W W F Z OF CLC) E-- C.= [Z CFO CO Z EF- V) W? WO _3ZWUO OCR ZV? ?Uw © d W,, O O m 0= W C C ... a d ? ZO aZ. CLQCe Co W LL ? .?CVCF0 O?-OZZGZ dOdd Z UO V) e-0 O CCs.UCLO W .; FZQct ? ZW E=Wv WE-Z0 WWZF= W> UZ..3 mcJE-: = mdFao?mm CFOCG ]C' V) 6WC>C.76W W F V) F. ^? F d W -1 Z U F d -3 F F _ Z G O V) W Oa00 3 ? d "0 d O?0 5C'' W Z mu V)UFU VjV)Cs CLU V)-.0 38 r, m LL yO O 3 W Z > S H z 0 LL x ¢ r ? W z t o ai Z O Z I '? QI JJv e ¢ u N N NL 'u U 0 u Z W S m W h 'l. z LLJ W rr (u V 1---O Q N_ ?z O 0 .r LL f - O Q V/ ? I i I. zo I i c Z. ' O CC ¢' t tn: _ = 3 O r _ r- q r March, 1992 •? W ZZ: s 11 S 1TE 40? / S?fPN.Ei?lS /??. PROP GIiECK DAM STA. 8415 SR- /729 J-ACK5 0A COt.I4 T) ?1 e of Dld nJe? I 7-0;et-L9r1c r. dye OF // TRrsdt? Gage. RRop. 8 X3 XZ S.'o T PE- B MR 8x3 ?2 s.8 T E"B PpeoP. Cwr K DAM A I I f I ,X?sri?/G 32'-0)"1 cm? 'RDP REP[.RCE Wf 55'OF 2¢"f.MP SKEW //5° PROP. Rock IILT SCR ct^/ 1 n p ?? ,? PRDP. 7"6MP, SIc?T?nlc I Aia DD-RAw j -ry SCAC.E CRvs.s SrCTjonl 7AKEw 0n1 SkFw 0r P/i•E PROP. Fii-L 51 OPE Nrt 11 OR FlArrcR G 32• ='kop REPLACE' W/ 55 ' of 24-"CMP 0 L 1E; S,rE *2 ?-a 074 G7 lye of u 61- LA.-JE STEPNEnIS RD. SR -1729 TAGKSON Cou41 PnO? Rook Si?TScR, PRoR rm P, 51 z.T PPE SxF? EXiSTiNI+ 3b'of 3to"CIV 1 l?R, ??1 To ScAx?. PROP, R,EpZ?c,? WAo'oC,3b''C s? or CRoss 5Ecrior1 TRhEd old SkEw oFP1PF lZel5TI l(r FIu SLOPE l?2v? PROP; PILL SLopE l OR FLAMT 3 "oF '' m 0 p' 0 F '' m