20180538 Ver 1_Stormwater Management Plan_20180417

�-�jb���.��Y North Carolina Departmen[ of TransportaHon
�-_ StfJIfL1,1.vtlfCl` i Highway Stormwater Program ^�
STORMWATER MANAGEMENT PLAN -'•-%
(Velslun 4.0]; Releasetl Ocfober 2018) FOR NCDOT PROJECTS
WBS Element: 74SP.2020.01 TiP No.: SF-190163 Count ies : Cherokee Pa e 1 oF 2
General ProJectlnfonnation
WBS Element: 94SP.2070.0�1 TIP Num6er. SF-190163 Pro'ect T e: Brid e Re lacement Date: 2/e/2018
NCDOT ContacC Marc Shown, PE Con[ractor/ Oesi ner: Vau hn & Mel�on Consul�in En ineers, inc.
Address: NCDOT—Hydraulics Uni� Atltlress: 931&F PaltonAve
1590 Mail Service Center Asheville, NC 28806
Ralei h, NC 27699-1590
Phone: [phone] Phone: [phone]
Email: mshown ncdof. ov Email: bsridnour vau hnmel[ortcom
Ci /Town: Bales Creek, NC Count ies : Cherokee
River Basin s: Hiwassee CAMA Coun ? No
Wetlands within Project Limits? No
Pro ect Descri tion
Pro'ec[ Len th lin. miles or feet : 0.058 miles Surroundin Lantl Use: Rural Residential
Pro osetl Pro'ect Existin Site
Pro'ectBuilt-U onArea a 02 ac. 0.1 ac.
Typical Cross Section �escription: 2- 10' Travel Ianes @ 2% NC, 2' paved shoulders exisiing cross-sections vary wilhin project limits. Average lane width 9'.
Annual Avg Daily TraKic (vehlhr/tlay): Desi n/FUWre: 500 Year: 2031 Existin : 270 Year 2o11
General Project Narrative: This is a britlge lo culvert replacement project of eridge #� 63 on SR t348 over Bates Creek in Cherokee Counry. The project is locatetl in a generally local mral area wi�h single
(Oescription of Minimization of Wa[er family dwellings in the vicinity. The existing one span 25'-6" timber fioor on sleel I-beams and timber abutment strucWre is to be replaced wi�h a double barrel e'x6' casPin-place
Quality Impacts) RCBC wilh top edge hevels antl 1'-0" low flow and 2'-0" floodplain sills . Th2re should be no stormwater Impacts to the project area as a resul� of ihis prqecL During consiruction,
best management practices shall be adhered to in order to minimize erosion antl sedimentation to atljacent properties antl ihe sVeam.
Water6od Informa[ion
Surtace Water Botl i: Bates Creek NCDWR Stream Index No.: 1-56
NCOWR Surtace Water Classification for Water Body Prima Classificalion: Class C
Su lemen[al ClassiFlcatlon: None
O[herStreamClassificatian: None
Im airments: None
A uatic T&E S ecies? No Commenls: N/A
NRTR Slream ID: N/A BuHer Rules in Effect: N/A
Pro'ect Includes Brid e S annin Wa[er 8od ? No Deck Drains Dischar e Over BuffeR N/A Dissi ator Patls Provitled in Buffer7 N!A
Deck Orains Dischar e Over Water Bod 7 N/A pFyes, provide justifca�ion in the General Project Narrative) Qf yes, describe in the General Project Narralive; if no, jus�iry in the
(If yes, provide juslifcation in lhe Generel Projecl Narra�ive) General Projec� Narrative)