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HomeMy WebLinkAbout20040271 Ver 5_Application_20071030t ~ d STNFo f,/ ~ ~~ L~ STATE OF NORTH CAROLINA ~- ~~~~ IETigNDSAfVt) ~VAt~ rr I,~`ALI/h DEPARTMENT OF TRANSPORTATION rcRn,~~a, ~k ;~~tYr~ MICHAEL F. EASLEY LYNDO TIPPETT GOVERNOR SECRETARY October 22, 2007 U.S. Army Corps of Engineers Raleigh Regulatory Field Office 6508 Falls of the Neuse Road, Suite 120 Raleigh, North Carolina 27615 ATTN: Mr. John Thomas NCDOT Coordinator SUBJECT: Permit Modification Request for TIP I-2511CB, I-85 Improvements from North of SR 1002 to North of SR 2120 Near the Town of Spencer in Rowan County, State Project No. 8.1631503, Tip No. I-2511CB. Debit $570 for Major WQC modification from WBS Element No. 34163.1.2. REFERENCE: 404 Individual Permit issued October 7, 2004 (Modifications dated September 20, 2005, and December 16, 2005); USAGE Action ID 200221534. 401 Water Quality Certification No. 3.456 issued April 20, 2004 (Modifications dated January 7, 2005, February 9, 2005, October 6, 2005, and November 30, 2005); DWQ Project No. 040271. Dear Sir: The North Carolina Department of Transportation (NCDOT) is requesting a permit modification for the above referenced project. The need for the permit modification arose when solid rock was discovered during construction at Permit Site 1 on the west side of I-85 where a headwall had been previously proposed. To construct the headwall would require substantial blasting of bedrock in the stream bed in order to provide a large enough footing for the headwall. The blasting activity would require that McCanless Road be closed to traffic for an additional two weeks. NCDOT proposes to eliminate the headwall from the construction plans and extend the existing 30-inch Reinforced Concrete Pipe (RCP) an additional 13 feet. This will add an additional 13 linear feet of permanent stream impact but will minimize disturbance in the stream bed and shorten the construction time. Attached please find the updated permit drawings and half-size plan sheets of the impact area. MAILING ADDRESS: NC DEPARTMENT OF TRANSPORTATION PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS NATURAL ENVIRONMENT UNIT 1598 MAIL SERVICE CENTER RALEIGH NC 27699-1598 TELEPHONE: 919-715-1334 or 919-715-1335 FAX: 919-715-5501 WEBSITE: WWW.NCDOT.ORG LOCATION: PARKER LINCOLN BUILDING 2728 CAPITAL BLVD. SUITE 240 RALEIGH NC 27604 The revised design does not compromise NCDOT's compliance with the existing permit conditions. No new impact sites have resulted from the design modifications. Minor design changes have resulted in an increase in impacts at only one site (Site 1). The design modifications have been evaluated for compliance with the avoidance/minimization criteria and are in compliance with all previous Individual Permit factors, including the following: • Protected Species, • Cultural Resources, • Aquatic Life passage, and • FEMA compliance. Modification History The original permit, dated October 7, 2004, authorized 2,218 linear feet of permanent stream impacts (994 linear feet to Town Creek and 1,224 linear feet to UTs to Town Creek), 0.051 acre of permanent impacts to riverine wetlands, and 0.47 acre of permanent impacts to non-riverine wetlands. The permit modification issued by the USACE (September 20, 2005) authorized 2,060 linear feet of permanent stream impacts (a reduction of 158 linear feet), 0.049 acre of permanent riverine wetland impacts (a reduction of 0.002 acre) and 0.47 acre of permanent non-riverine wetland impacts (unchanged). A second permit modification was issued by the USACE on December 16, 2005, in which stream and wetland impacts were not altered, only the staging technique of the onsite stream mitigation construction at Site 5 changed. Proposed Modification The following table summarizes the jurisdictional impacts currently permitted at each site with the exception of Site 1, which reflects the proposed increase in impacts. Permanent Wetland Im acts acres * Temporary Permanent Stream Impacts Natural Site Riverine Non- Riverine Stream Impacts (acre) Stream Impacts (linear feet) Requiring Mitigation (linear feet) Channel .Design (linear feet) 1 0 0 < 0.01 115 +13 115 +13 0 2 0 0 < 0.01 163 163 0 3 0 0 < 0.01 80 0 0 4 0.002 0 < 0.01 90 90 0 5 0 0 0 864 864 1,375 6 0.047 0 < 0.01 200 37 0 7A & B 0 0 0.01 362 200 0 8 0 0.47 < 0.01 85 0 0 9 0 0 0.03 114 114 0 10 0 0 0 0 0 0 Total 0.049 0.47 0.05 2,073 +13 1,583 +13 1,375 * =Includes fill, excavation, and mechanized clearing. (+/-) =Indicates the impact increase or decrease 2 of 4 Following is a description of the design modification and the associated changes to the previously permitted stream impacts at Site 1. Site 1, Sheet 4 of 35 Station 647+50 - L - (LT/RT) The design for the existing RCP extension in UT to Town Creek is being proposed for modification to eliminate the headwall previously permitted due to the amount of blasting of bedrock in the stream channel that would be required to construct the footing for the headwall. The additional 13 linear feet of permanent stream impact is from the proposed extension of the RCP. The quantity of temporary stream impacts associated with the installation of the pipe extension is less than was associated with the headwall, although the reportable quantity (<0.01 acre) remains unchanged. The area of temporary impact will be shifted 13 feet further downstream to the end of the proposed RCP extension. Authorized Impact: 102 linear feet permanent stream and <0.01 acre of temporary stream impacts; Proposed Impact: 1151inear feet permanent stream and <0.01 acre of temporary stream impacts. Impact change: increase of 13 linear feet of permanent stream impacts (which requires mitigation through EEP). Mitigation Strategy Of the 2,218 linear feet of permanent stream impact that was originally permitted, 1,642 linear feet of impact required mitigation, with 1,375 linear feet of that impact to be mitigated by on-site natural stream design. The mitigation for the remaining 267 linear feet of permanent stream impact was obtained through EEP. The September 2005 permit modification resulted in an overall reduction of 1581inear feet of permanent stream impact, which included a reduction of 72 linear feet of stream impact that required EEP mitigation. The impacts to be offset by mitigation through EEP were thus reduced to 195 linear feet. With the addition of the proposed 13 linear feet of permanent impact to a UT designated as requiring mitigation in this application, the revised stream impacts to be offset by mitigation through EEP are 208 linear feet. The EEP currently lists mitigation for 267 linear feet of stream impact for this project. As the current stream impacts requiring mitigation, including the additional 13 linear feet proposed in this application, are below the amount currently authorized through EEP, no additional mitigation is required with this application. Regulatory Approvals The NCDOT respectfully requests that the referenced Section 404 Permit be modified to reflect the revisions outlined in this letter. The NCDOT is also hereby requesting a modification of the 401 Water Quality Certification from the NCDWQ. In compliance with Section 143-215.3D(e) of the NCAC, we have provided a method of debiting $570, as noted in the subject line of this application, as payment for processing the Section 401 permit modification application. We are providing five copies of this application to the North Carolina Department of Environment and Natural Resources, NCDWQ for their review. 3 of 4 If you have any questions or need additional information, please contact Bill Barrett at (919) 715- 1624. Respectfull , i (~/ Gregory J. Thorpe, Ph.D. Environmental Management Director, PDEA attachments: Permit Drawings -Sheet 4 of 35, Sheet 4 of 35 (w/ contours), Sheet 5 of 35, and Sheet 34 of 35. Half Size Plan Sheets -Sheet 5, and Sheet 5 (w/ contours). cc: w/attachment Mr. John Hennessy, NCDWQ (5 Copies) Ms. Marla Chambers, NCWRC Ms. Kathy Matthews, USEPA Mr. Ronald Mikulak, USEPA -Atlanta, GA Mr. Clarence W. Coleman, P.E., FHWA Ms. Marella Buncick, USFWS Dr. David Chang, P.E., Hydraulics Mr. Mark Staley, Roadside Environmental Mr. Victor Barbour, P.E., Project Services Unit Mr. Greg Perfetti, P.E., Structure Design Mr. S. P. Ivey, P.E., Division Engineer Mr. Kent Boyer, DEO File: I-2511 CB w/o attachment Mr. Jay Bennett, P.E., Roadway Design Mr. Majed Alghandour, P. E., Programming and TIP Mr. Art McMillan, P.E., Highway Design Mr. Scott McLendon, USACE, Wilmington Mr. Eric Midkiff, P.E., PDEA Project Planning Engineer Ms. Beth Harmon, EEP Mr. Todd Jones, NCDOT External Audit Branch Mr. Carl Goode, PE, Human Environment Unit Head 4 of 4 r i )rv4 ~ - I •` ' ` 5 __ .~ ~' ;~~.'.. y, ~ ~~yy ~~ ~L"j ' mma~ V Z N 4 RI RA ; O T P~C i ~~ R~I ST EIyM i.- i m _ _ ~ ~., ~ ~ g r ~ o - N ~ ~.I ~ ` `~ O y -~~il ~ ~~ ~ c ~ ~ 11 St~ 4~+~ ~ moo, _ o, _ o ~I ~ c~ o ~ Ir~tn (~ o o= ~==o~ __ ,/ ~~o~-~ 1 SYW. ~ _ S- / `` ~ _ U z T L `Cj- ~~ ~~~~ ' ~ 15"CS W ~ ELB W5 \ ~ `, o~,> ~,~ ~, \ \ ` p _, V TC D ~ - ,B R Z Wx~~h ~ , ~ ~ ' 18" ASP ~ ti ~ Z C S~ Cp ' 4> ,_~-~__ ~ i - __ -~ 11 i C~.i `~ _ - - __ _--- B ~ i --;. - _ -- - - - < ~,5 . - ~ > ~ ~ O N A~ ~ ~ cn w w ~ ~ ~ ow .. --- ----- ----- ---- -- -- --- -I=85 - -- -- -- ~ :: ~ ~ i ETAIN - ----- .-~-_ - _..-- -- ----- .~ wo ~ 1 1 , ~ DIOTCHR II R AIN N 2GI ~ Oq ~I~ "RCP ~ J ' U ~ ~ ~ r, ~ x `~ I N ~ ' AND PIPEiD4 "T` ' t ' \~ U Q Q H ~3 9A __. ----- ~ C7 ti ~~ -- -_ -- ---_ -- - - ,o ~;~ -r ~~ ,., ~.~ _ I o~~- _ - ~~ I , ~ ~ ~ , ~ ~ ~'c r ~= ~ _ ~ i~ ~, cs~ D ,f r / 45~ P~ f ~O S C I .` J ~ te- ( ' ,. o t / / (( l o C B~ ~~ / 7 / ,~ ~ ~ ~ R l~ /~ ~ ~ ~ ~ ._ ~. _ ~; AMES SMITH ~: DETAIL Do not place riprop in stream bed I Not to Scale) ~°o~~o' Ground ~ ~' _ ~ - -_ . - ~\ ~ ~ DB. 629 PG. 858 ie• cross ~ '% ~ - rig s C C ~~~~ , s ` ~ ~`t 7 18./Z 14Ci RIPfoP . c. ~ I - _. - .. - ' ~ ~ ~ c"'` = Z ~ .~ ~ . ~ ` ' ` _~ ~ a , - -- SEE DETAIL THIS SHEET #=`' ~;~ ~ H :. / 5 m N ~ W CLASS I RIPRAP; DO NOT PLACE RIPRAP IN STREAM BOTTOM ~ ~ ~ '(fir ` 3 ~ g N ~ p t _ _ ~ - ` [~~`c~i~~~~N i 0 / O ~ 2~~~=2 Sta. 647+65 - T ~ ' ~ ~ r: ,, Sta. 647+43 -' r I~ ~'~~. ~ _ `' ~' LATERAL ~- U ~ ~ ~ o 15" CSP W/2 ~ 'o ~ =-: o ~'; ~ RI P r: r V-DITCH ~ ~ Z W ~ O W ~ QC ~+. cn : CO °~ °• ` .= JB R p ~ > . ELBOWS c~ ~ " ~~~ _ ~ 18 CSP 4. / ,,r.',`V _ c ;~_"_T ` ' , - " ,,, .,- _ . CP; ~ - \ ~ 36 u CLASS B r o. ---- -I- -iZiPRAf- i- -- ---- a ----- -i = U -----~ -- 'yt' ~ n: ~ ~ ---- 76 2GI ~-_ _ i ~ - -- t_ > ~ ~ 'p ' ~ 1 ~ ~_yY_ ~ -. _- 19 ~ Q r ~~?,. ~ , COLLAR AND `~' ~ -" ~ ~ ^ ,; v,w t- ~ cL~ ' :,;- <~~ : y~ ' EXTEND - ~ `" ~ `' '" G ~ o w a~ M ,~ _ ;, z hT: 1 ETAIN ~ o~ ~ _ J CONCRETE rr R AIN ~° -.2GI" ~ DITCH 'r 4, ~_~~ 15 RCP ' U I,' -- --- ~ t ° ' @ _-- --- - - - ~ -- __ - --- -- --- _ -1 -- - - --- ---Rfiv1OVE- DI r1 -- --- - ill (A ~ ~ i N AND PIPE~Ii' "' r` ~ ~~ _-. _ a -- - ------ ------ - 2GI -. - Il w a t ~~ A - ~ oa ' - -- _ - . - - r__ --- - - ~ iZ - _ _ - - - = CO w _ COLLAR AND t;rc°,_ _ _I ° . ~ i EXTEND - - w 2G1 rr ~,,,` rr t s` '~ 2Gf' ;:_._ ~, ~- I Q ~ 15" CSP 7D ` ~ " ~ \ ` +/ / N RC '30 , --~ W/2 W/2 CE BOWS `_ ` ~~ ~ ~ ~: 5 R P~ - ~ELB_OWS ~..._.._ ~ _- . __ -t --_ 9C =~ -- 2G1 - -' -- ~ ~ -- ... -~. _ ...__ .. 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