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HomeMy WebLinkAboutSW4210801_Plansheet C-1.1 - Existing Conditions_Survey_20220421DEMOLITION NOTES: 1. ALL DEMOLITION, TRANSPORT, AND DISPOSAL OF WASTE MATERIALS SHALL BE IN ACCORDANCE WITH ALL APPLICABLE TOWN, COUNTY, STATE, AND FEDERAL REGULATIONS. 2. REGULATED MATERIALS SUCH AS ASBESTOS, LEAD, ETC. MAY EXIST ON SITE AND SHALL BE IDENTIFIED AND A PLAN FOR DEMOLITION AND DISPOSAL PRESENTED TO AND APPROVED BY THE TOWN AND OWNERS PRIOR TO COMMENCING DEMOLITION ON CORRESPONDING STRUCTURES. 3. THE LOCATIONS OF ALL EXISTING FEATURES SHOWN ON THIS SHEET WERE PROVIDED AS PART OF THE SURVEYS BY TRIANGLE SURVEYORS DATED MARCH 31, 2021. OTHER UNIDENTIFIED UTILITIES OR SITE FEATURES, ESPECIALLY RELATED TO EXISTING STEVE M & PAULETTE MCPHERSON STRUCTURES, MAY EXIST AND SPECIAL CARE SHALL BE 729604 EXERCISED DURING ANY SUBGRADE WORK OR ALAMANCE COUNTY DEMOLITION. 27771203 4. CONTRACTOR IS RESPONSIBLE FOR OBTAINING ANY SIZE: AC USE: VAACC ANT PERMITS FOR WORK IN THE NCDOT AND/OR LOCAL RIGHTS -OF -WAY. ANY DAMAGED INFRASTRUCTURE IN THE RIGHTS -OF -WAY CAUSED BY CONSTRUCTION ACTIVITIES MUST BE REPAIRED TO NCDOT AND/OR \ LOCAL STANDARDS. THIS INCLUDES, BUT IS NOT LIMITED TO UTILITIES, SIDEWALKS, CURB & GUTTER, AND PAVEMENT. S. CONTRACTOR SHALL IMPLEMENT TRAFFIC CONTROL \ PLAN PRIOR TO ANY WORK WITHIN THE NCDOT RIGHT-OF-WAY. 6. ALL UTILITIES TO BE REMOVED, DISPOSED OF, AND/OR \ ABANDONED PER THE CORRESPONDING SERVICE PROVIDERS GUIDELINES. 32.93 - 7 CONSTRUCTION WASTE SHALL NOT BE BURIED ON SITE. SKIMMER BASIN SCHEDULE: 0 DRAINAGE AREA: 16.62 AC Q25. 0.20 x 7.24 IN/HR x 16.62 AC = 24.07 CFS REQUIRED PROVIDED AT 639.50 VOLUME (CF): 8,128 17,054 SUFACE AREA (SF): 7,823 8,259 DEPTH (FT): 2.00 2.50 WEIR WIDETH (FT): - 22 WEIR ELEVATION (FT): - 639.50 TOP BASIN ELEVATION (FT): - 641.00 BOTTOM BASIN ELEVATION (FT): - 637.00 DESIGN STORM ELEVATION (FT): - 639.50 SKIMMER SIZE SCHEDULE: REQUIRED BASIN VOLUME. 8,128 CF DAYS TO DRAIN: 3 DAYS SKIMMER SIZE. 2.00" ORIFICE RADIUS: 0.90" ORIFICE DIAMETER. 1.80" ON -SITE DISTURBED AREA 212,212 SF (4.87 AC) OFF -SITE DISTURBED AREA IZ442 SF (0.29 AC) TOTAL DISTURBED AREA 224,654 SF (5.16 AC) SUBMITTED DISTURBED AREA 261,360 SF (6.00 AC) A 0 w CONSTRUCTION SEQUENCE PHASE 1: HOWARD F COBLE TRUST 729677 ALAMANCE COUNTY 1. THOROUGHLY REVIEW PLANS AND EROSION CONTROL NOTES PRIOR TO STARTING WORK. > D.B. 1682 / 0419 �s> �9 SIZE: 9.73 AC 2. OBTAIN EROSION AND SEDIMENT CONTROL (EC) PERMIT AND A CERTIFICATE OF COVERAGE (COO BEFORE ANY LAND DISTURBING USE. SINGLE FAMILY RESIDENTIAL ACTIVITIES OCCUR. A HARD COPY OF BOTH PERMIT AND THE PLANS MUST BE KEPT ON SITE, PREFERABLY IN A PERMITS BOX, AND ACCESSIBLE DURING INSPECTION. THE COC CAN BE OBTAINED BY FILING OUT THE ELECTRONIC NOTICE OF INTENT (e-NOI) FORM AT $ DEQ.NC.GOV/NCG01. PLEASE NOTE, THE a-NOI FORM MAY ONLY BE FILLED OUT ONCE THE PLANS HAVE BEEN APPROVED. 366� / 3. LOCATE A JOB SITE/ INSPECTION BOX IN A SECURE PLACE ON SITE TO PROVIDE A PLACE FOR INSPECTORS TO LEAVE INSPECTION REPORTS, COMPLIANCE NOTICES, ETC. SITE PERSONEL SHOULD CHECK THE BOX DAILY FOR THIS CORRESPONDENCE. PROVIDE CONTACTING INFORMATION WITH NOTE TO "CONTACT C3 DESIGN AND ENGINEERING AT 919-230-0996 IF ANY ISSUES ARISE DURING THE CONSTRUCTION". CONTRACTOR SHALL BE RESPONSIBLE FOR NCDENR REPORTING THROUGHOUT CONSTRUCTION. EX. PEBBLESTONE TRAIL PRIVATE GRAVEL ROAD 4. SCHEDULE AND HOLD A PRECONSTUCTION CONFERENCE BEFORE STARTING ANY DEMOLITION, TIMBERING, CLEARING, OR GRADING N50°02'59"E PER P.B. 40/9 ,o WITH THE OWNER (OR REPRESENTATIVE), THE CONTRACTOR(S) RESPONSIBLE FOR THE DISTURBANCE AND EROSION CONTROL, AND 881.79 (TOTAL) �o, EROSION CONTROL PERSONNEL TO DISCUSS THE PROJECT AND THE EROSION CONTROL PLAN. NCDEQ INSPECTOR IS TO BE NOTIFIED AT LEAST 48 HOURS PRIOR TO COMMENCEMENT OF LAND DISTURBING ACTIVITIES AT 336-776-9800. A 5. INSTALL SILT FENCE, SILT FENCE OUTLETS, CONSTRUCTION ENTRANCE/EXIT, BASIN, DIVERSIONS (INCLUDING MATTING), AND STRAW WATTLE AS SHOWN ON THE PLANS. NOTE, CONTRACTOR SHALL INSTALL ADDITIONAL OUTLETS AS NEEDED WHERE LOW AREAS EXIST OR DEVELOPED SITE CONDITIONS CREATE PLACE FOR SITE RUNOFF TO COLLECT / POND. ONLY CLEARING AND GRUBBING REQUIRED TO INSTALL THE EC MEASURES SHALL BE CONDUCTED AT THIS TIME. ' 6. CONTACT NCDEQ INSPECTOR AT 336-776-9800 IF REQUIRED BY THE PERMIT OR DISCUSSED AT THE PRE -CONSTRUCTION MEETING FOR INSPECTION OF THE INITIAL EROSION CONTROL MEASURES. 7 UPON APPROVAL, BEGIN CLEARING AND DEMOLITION ACTIVITIES AS SHOWN. THERE ARE NO KNOWN EXISTING "g2 SURFACE WATERS, WETLANDS, b8 REGULATORY FLOOD ZONES, A 8. BEGIN INSTALLING STORM DRAIN AND INLET PROTECTION AT EXISTING LOT 5 AND LOT 6 AND RELOCATE EXISTING WATERWAY TO PROPOSED DITCH AS SHOWN. PROTECTED VEGETATED SETBACKS, 1100 AND PROTECTED RIPARIAN BUFFERS. • 1, 9. MATTING AND STABILIZE PERMANENT DITCHES SHOWN SINCE THEY WILL CONVEY CLEAN WATER BYPASS RUNOFF. KELLY DENISE MEADOWS 129675 ALAMANCE COUNTY 76941240 SIZE. 46.53 AC 0.63 AC IN ROW USE. VACANT STEVE M & PAULETTE MCPHERSON 129599 ALAMANCE COUNTY 3291369 SIZE: 37.75 AC USE. GENERAL FARM \ EP SW OF LINE - 11.32' STABILIZATION TIMEFRAMES / Site Area Description Stabilization Timefrome Exceptions \ 'k Perimeter di es, swa es, ditches and slopes 7 days None High Quality Water (HQW) 7 days None Zones If slopes are 10' or less in length Slopes steeper than 3:1 7 days and are not steeper than 2:1, 14 days are allowed Slopes 3:1 or flatter 14 days 7 days for slopes greater than 50' in length All other areas with slopes 14 daysNone, except for perimeters and flatter than 4:1 HQW Zones LEGEND & NOMENCLATURE SYMBOLS 10 Ex. iron pipe/rod or nail Traffic signal box O Sanitary Sewer Manhole ❑ Ex. concrete monument Iron Rebar Set (D Utility pole * New iron pipe Fire hydrant ):� Light Pole Calculated point Valve (water or gas) 0 Power Pole © Cable pedestal O Existing Iron Found ❑ Guy wire M Telephone pedestal @ Sanitary sewer c(eanout Q Calc. Corner ❑E Electric pedestal ❑ Storm curb inlet Straw Wattle ❑F Fiber-optic marker ® Drainage inlet (w/grate) Silt Fence Outlet ABBREVIATIONS NOTES SYMBOLS Outlet Protection/ Plunge Pool Riprap DB Deed Book CE Construction Entrance/Exit oop0O0 Inlet Protection FIB or BM Plat or Map Book DD Temporary Diversion Ditch o °o o .0pOo (Block &Gravel or Hardware Cloth) N/F Now or formerly pp Permanent Diversion Ditch Pg. Page IP Inlet Protection SF Square feet SB Slope Blanket AC. Acres R/W Right-of-way SF Silt Fence NCSR NC State Route F� Silt Fence Outlet NCDOT NC Dept. of Trans. SW Straw Wattle (12" see details) R/W Right-of-way TS Temporary Seeding Ex. Existing RCP Reinforced concrete pipe PS Permanent Seeding PVC Polyvinyl chloride pipe TP Tree Protection Fence (M) Measured CW Concrete Washout Area AG Above ground Silt Bag Dewatering BIG Below ground BM Blanket Matting OP Outlet Protection/Plunge Pool KELLY D MEADOWS 129616 ALAMANCE COUNTY 17711392 SIZE: 7.48 A C USE. SINGLE FAMILY RESIDENTIAL �9 s EX. BARN 0 PRE -DEVELOPMENT.• DA-B = 699,312 SF (16.05 AC) \ / APPROXIMATE PROPERTY LINES EX. STORAGE PER D.B. 7777 /392 EX. SHED \ \ EX. GRAVEL DRIVE MARY MCGUIRE & WILLARD ISLEY 729675 ALAMANCE COUNTY D.B. 4771834 SIZE. 50.39 AC USE. VACANT NEW SOUTH LUMBER CO INC 129676 ALAMANCE COUNTY D.B. 75971825 SIZE. 37.81 AC USE. INDUSTRIAL 9.15 300.07 N43°54'49"W 2280.57 (TOTAL) SUFFICIENT TO DIRECT ALL SEDIMENT -LADEN STORMWATER INTO A SEDIMENT CONTROL DEVICE. MUST BE INSTALLED PRIOR TO CLEARING AND GRUBBING OF THE AREA (OR IN CONJUNCTION WITH THIS OPERATION IF SEDIMENT CONTROLS AND DIVERSIONS ARE INSTALLED AS EACH CRITICAL POINT IS REACHED). A- DIVERSIONS SHOULD BE LOCATED TO MINIMIZE DAMAGES BY CONSTRUCTION OPERATIONS. B- DIVERSIONS SHOULD BE SEEDED & MULCHED IF THEYARE TO REMAIN IN PLACE OVER 30 DAYS. C- CHECK DEVICE AFTER EACH RAIN, BUT ONCE A WEEK REGARDLESS REPAIR AS NECESSARY. W a o CCC a 12"MIN aa, ^^� �ZU C00 SLOPE 2.1 ��0 H O Z F N 00 MAX g BERM U 4NATURAL GROUND OR COMPACTED FILL FILL / CUT SLOPES - - ljj jjj JJl I I I� lll=lll=lll=lll=lll=ll1, .I I1-1I I_ lll=lll=lll=lll=lll-lll- _ � o Q � ❑ M N b. NATURAL GROUND OR FAO I u FILL /CUT SLOPES I I -III -III -III -III -I I, 18 MIN DEPTH DITCH 10 III- I -III III 1I- _, I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I -I I. I I ' I I -III -III-' _ -I I I-1 ' Li Z 0J FLOW 12" MIN I a z 78" MIN DEPTH III NATURAL GROUND OR IIIII -I BERM/DITCH L9 In- Z FILL / CUT SLOPES W "' - W "t o M Z I�°:�O m W aoZ� o z NOTES:# _ �W POSITIVE GRADE MUST BE PROVIDED TO ASSURE DRAINAGE IF SLOPE EXCEEDS 2016, SEED AND MULCH DIVERSION. TRY NOT vI�ZQN U v Z Ito TO EXCEED 5% HIGH VELOCITIES RESULT). MAXIMUM D. A. = 5 ACRES WITHOUT SUPPORTING CALCS. DIVERSIONS AT THE TOP OF SLOPES MUST EMPTY INTO AN APPROVED SLOPE DRAIN. BERM/DITCH IS MOST COMMONLY USED J rn y0 01 MO -A8 U y W ro Q M MAINTENANCE. UFO i=ai INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL. IMMEDIATELY REMOVE SEDIMENT FROM THE Z N a U dl FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED. NOT FOR WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED, REMOVE THE RIDGE AND THE CHANNEL TO BLEND AREA WITH NATURAL GROUND LEVEL AND STABILIZE APPROPRIATELY. 1 C 1/// J TEMPORARY DIVERSION BERM / DITCH r . 036242 5. EROSION CONTROL NOTES: *pm 111T11T1/���` 1. THIS SITE IS SUBJECT TO ALAMANCE COUNTY REQUIREMENTS. CONSTRUCTION �TION 2. ALL EROSION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE NORTH CAROLINA DEPT. OF ENVIRONMENTAL QUALITY STANDARDS. THE CURRENT STATE STANDARDS AND SPECIFICATIONS CAN BE FOUND AT. httpsy/deq nc gov/about/divisions/energy-mineral-(and-resources/ V� x x ' energy-mineral-(and-permit-guidance%rosion-sediment-control-planning-design-manual. EX. PUMP HOUSE g58 / 3. ALL APPLICABLE LAWS AND REGULATIONS REQUIRING DUE CARE AND TREATMENT OF CONSTRUCTION RELATED SEDIMENT N N N N N N W LADEN RUNOFF SHALL APPLY AND BE STRICTL Y A DHERED TO. \ _ 4. SILT FENCE OUTLETS HAVE BEEN SHOWN AT LOCATIONS WHERE IT APPEARS SITE RUNOFF WILL POND OR DRAIN TO. o 0 0 0 o Q O 651 ADDITIONAL OUTLETS SHALL BE PROVIDED AS NEEDED WHERE SITE CONDITIONS DIFFER AND STORMWATER PONDS DURING / �� �D ✓ ,rob 300.02 CONSTRUCTION. EX. GRAVEL DRIVE S. ALL AREAS SHALL BE MULCHED OR OTHERWISE COVERED PER THE STABILIZATION CHART. EX. ONE STORY FRAME \ �- �656/ TO REMAIN UNTIL 6. ALL SLOPES GREATER THAN 3:1 SHALL BE COVERED WITH NORTH AMERICAN GREEN (NAG) SC750 OR APPROVED EQUAL. ALL DWELLING Q _/ NEW ROAD IS OTHER AREAS SHALL BE COVERED/MATTED AS SPECIFIED ON THE PLANS. BUILT ro5� 7. CONTRACTOR SHALL MAINTAIN AND REPLENISH THE CONSTRUCTION ENTRANCE AS NEEDED TO MAINTAIN EFFECTIVENESS AT CLEANING TIRES OF CONSTRUCTION EQUIPMENT PRIOR TO EXITING THE SITE. '654 J 8. ANY BORROW MATERIAL BROUGHT ONTO THIS SITE MUST BE FROM A LEGALLY OPERATED MINE OR ANOTHER APPROVED C /130' ` �\ / �� SOURCE. ANY SOIL WASTE THAT LEAVES THIS SITE CAN BE TRANSPORTED TO A PERMITTED MINE OR SEPARATELY PERMITTED F CONSTRUCTION SITES WITHOUT ADDITIONAL PERMITS UNDER NCGS 74-49(7)(D). DISPOSAL AT ANY OTHER LOCATION W WOULD HAVE TO BE INCLUDED AS A PERMIT REVISION FOR THIS APPROVAL. ti �_j c _ \ 300.07 U 257�'0 EX. CARPORT SW z z 00 -653 - SEE C-7.1B FOR DETAILS \ S\ SEDIMENT BASIN W U W W U DWD-2 z z z U Q �0 EX. SHED' \ \ 652 cn \ \ DWD-1 / �o PD- / / NC GRID COORDINATES Q Q 4. Q Q Q \ � � � � � NAD 83(2011) Z Z O Z Z Z w \ \ CWD- N 811686.93 \ \ 6SO. _ J �y 1,�� E 1875283.15 \ \ \ o / / / 299.92 NEW PROPERTY LINE \ SRg / \ sad \ � \ y \ DS /� \ EXISTING OHiTO BE l l 10 to\� LINETYPES ZL PRE -DEVELOPMENT. • R7carED y\ / / / co DA-A = 323,889 SF (7.44 AC) / \ 65�� SS Ex. Sanitary Sewer Ex. Waterline / _ / / 1A, W CID I y0 ' / c LOCATION OF I P -1 / \ OHE Ex. Overhead Electric CWD CLEAN WATER DIVERSION BERM/DITCH EXISTING/FILED UGE Ex. Underground Electric DRAINAGE WAY W SD Ex. Storm Drain DWD DIRTY WATER DIVERSION BERM/DITCH 65 I / /'/ CW - X X - Ex. Fence T p TEMPORARY DIVERSION BERM/DITCH I / � - ,642 Ex. Tree(ine \ I I I C0 $$ Sanitary Sewer pp PERMANENT DIVERSION BERM/DITCH \ I / -n / / \ DWD-3 W Waterline ra�`� 644 ,� Diversion / Ditch Table �j \ IC -1 I I I I I / \ to / CE OHE Overhead Electric Diversion / Drainage Area Drainage Area I Q 5� LAT.• 35.978764 UGE Underground Electric Discharge Area \ I I I � _g42� / / � 64 � � LONG:-79.422843 Ditch (St) (st) \ l I \ \ / 5 SD Storm Drain DWD-1 39,492 0.91 \ \ \ \ \ 643� TD-1/PD-1 � X Fence CWD-1 337,130 7.74 \ l \ \ \ 644- 40 / /� EX. RIGHT-OF-WAY DWD-2 74,770 0.34 / �� -�- Treeline TD-2/PD-2 CWD-2 259,850 5.97 \ \\ 647 646- 1 7/��� Baffles TD-3/PD-3 DWD-3 32,352 0.74 \ \ vv SONYA HOLT BATEMAN 64 _ �7775371 Diversion - - - 619, 8 ` �bx Oh / �/ �� ALAMANCE COUNTY Temporary Slope Drain Diversion / Ditch Schedule 5 \ 650 \ � 1� D.B. 16941240 Q10 V10 Sideslopes Depth Flow Dept Shear Stress '651 SIZE: 32.07AC SF Silt Fence Name c s s X.1 Slope (%) s Lining \ 1\ 4g �/, �� \ USE. VACANT / �� LD Limit of Disturbance DWD-1/PD-1 10.16 4.48 3 1.85% 1.50 0.87 1.00 NAG-SC150 \ `- \ / O �G TP Tree Protection DWD-2/PD-2 9.17 4.20 3 1.66% 1.50 0.85 0.88 NAG-SC150 DWD-3/PD-3 5.50 3.93 3 7.96% 1.50 0.68 0.83 NAG-SC150 ✓ �� ��� �� �� O DWD-4/PD-4 1 2.72 1 3.23 3 1.85% 1.50 0.53 0.61 NAG-SC150 /\ • �/�� CWD-1 1 11.07 3.86 3 7.17% 1.50 0.98 0.77 NAG-SC750 CWD-2 1 8.53 4.23 3 1.77% 1.50 0.82 0.91 NAG-SC150 EX. 24" RCP ROAD CULVERT.• INV. IN = 635.42 INV. OUT = 635.13 Know what's below. Call before you dig. GRAPHIC SCALE 50 0 25 50 100 200 (IN FEET) 7 inch = 100 ft. A� �W N U U ~� O ZZ w OC) I� W U U O Un HO XW pl� WW C3 PROJECT #: 20-085 REVIEW PROJECT #: SHEET #: C-1.1