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HomeMy WebLinkAbout20151065 Ver 1_More Info Received_20151222Homewood, Sue From: Darling, Richard <RDarling@mbakerintl.com> Sent: Monday, December 21, 2015 4:37 PM To: Homewood, Sue Cc: Bailey, David E SAW; Alex Rosser; Lisa Elmore Subject: FW: PTIA NW Taxiway Connector Sue Please see Scott's responses below in red. We will get you the two revised sheets shortly. Thanks again for all your assistance. Richard From: Homewood, Sue[mailto:sue.homewood@ncdenr.gov] Sent: Monday, December 21, 2015 11:42 AM To: Darling, Richard Cc: Bailey, David E SAW Subject: RE: PTIA NW Taxiway Connector Richard, I reviewed the documents submitted and there's just a few little things that need to be clarified. The plans clearly show the temporary impacts for dewatering and your cover letter acknowledges them, but I don't see the length of temporary impacts specified on the front sheet impact table or on the plan of the pipe on PD -3. We have added the length of temporary impacts to the front sheet impact table. Sheet PD -3 indicates temporary buffer impacts below the culvert but none above the culvert. However the restoration plan shows restoration of the buffer areas to be above and below the culvert. Can you check this and if there are no proposed impacts above the pipe please specify how the temporary dewatering will be installed without disturbance to the buffer. Proposed temporary impacts to the stream and buffer areas have now been highlighted on sheet PD -3 with the values added to the impact table on the front sheet. The temporary dewatering would have a minor disturbance in the buffer and that is being accounted for. Thanks very much for the detailed attention to my comments and for the revised plan which further limits impacts to the buffers for S&EC measures and addresses my concern about hydrology to the "surviving" wetland. I want to wait and check with David to see if he received any comments during the public notice before I issue an approval, if he received significant comments then I may ask for your response to those before I issue an approval. I'll be on holiday leave starting 12/23 and back onl/4. Thanks, Sue Homewood Division of Water Resources, Winston Salem Regional Office Department of EnvironmentalQuality Homewood, Sue From: Darling, Richard <RDarling@mbakerintl.com> Sent: Tuesday, December 22, 2015 10:59 AM To: Homewood, Sue Cc: Bailey, David E SAW; Alex Rosser; Lisa Elmore; Brookhart, Scott; Torres, Darrell Subject: PTIA NW Taxiway Connector Sue Please see the link below for revised permit drawings per your request for clarification of 12/21/2015. Please let me know any issues with the link and any paper copies you may need. Thanks again for your attention to this important project. Richard 0 SHEET PD -3 1. Added "temporary" stream impact lengths above and below the Permanent Zone 1 impact limits as discussed. Added/modified temporary Zone 1 and Zone 2 impacts to include sandbag dikes and pump Message installation areas. Text: SHEET BR -1 1. Modified Buffer Restoration limits to match revised impact limits. SHEET G-1 1. Updated Jurisdictional Impacts Table with revised measurements from Sheet PD -3. To retrieve your attachment(s), click on the secure link below. https://eFTP.mbakerintl.com/message/KpM4xHJYnOdp3tizqnqrX7 Access to this information will expire on 2015-12-29 First time user of the Michael Baker Intl. eFTP system? Click this link for assistance with the new user creation process. 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The Michael Baker Corporation, its affiliates and employees, makes no representation or warranty (express or implied) as to the merchantability or fitness for a particular purpose of any documents or information available from INTERNATIONAL AIRPORT PROJECT LOCATION MAP REVISIONS DATE I BY I DESCRIPTION NORTHWEST TAXIWAY CONNECTOR AND PRELIMINARY NORTHWEST SITE DEVELOPMENT PLEASANT RIDGE SITE GRADING, DRAINAGE AND EROSION CONTROL INDEX OF DRAWINGS DESCRIPTION DRAWING NO. TITLE SHEET G-1 PROPOSED DEVELOPMENT IMPACTS PLAN PD -1 - PD -3 STORMWATER MANAGEMENT OVERVIEW PLAN SW -1 GRADING, DRAINAGE AND EROSION CONTROL PLANS GD -1 & GD -2 DRAINAGE STRUCTURE TABLES DS -1 & DS -2 EROSION CONTROL DETAILS EC1 - EC4 BUFFER RESTORATION PLAN BR -1 & BR -2 -- -- JURISDICTIONAL WATERS IMPACTS DESCRIPTION °Fill Above Existing Feature (Cubic Yards) PONDS STREAMS JORDAN BUFFER REMARKS Impacted cted Area (Ac.) Intermittent (Linear Feet) Perennial (Linear Feet) Zone 1 (Square Feet) Zone 2 (Square Feet) Sheet PD -1 Pond E-1 (3.43 Acres) Permanent 174,250 3.43 -- -- 50,354 36,792 Total Removal Temporary -- 0 -- -- 0 0 Sheet PD -1 E-2 0.54 Acres Pond ( ) Permanent 19,300 0.54 -- -- 25,307 20,085 Total Removal Temporary -- 0 -- -- 0 0 Sheet PD -1 E-3 0.91 Acres Pond ( ) Permanent 41,100 0.91 -- -- 30,492 23,654 Total Removal Temporary -- 0 -- -- 0 0 Sheet PD -1 Pond E-4 (1.08 acres) Permanent 53,700 1.08 -- -- 33,016 25,143 Total Removal Temporary -- 0 -- -- 0 0 Sheet PD -1 Pond E-5 (0.62 Acres) Permanent 0 0 -- -- 0 0 Not Disturbed Temporary 0 0 -- -- 0 0 Sheet PD -3 * Stream SAC Permanent 14,400 -- 150 244 20,458 11,276 Culvert Installed Temporary -- -- 35 10 6,118 6,228 Total Permanent 302,750 5.96 150 244 159,627 116,950 Temporary -- 0 35 10 6,118 6,228 *As designated in "Stream Quality Assesment Worksheet" dated October 10, 2012 ° Measured to the outer limits of associated Jordan Buffer - Zone 2 VICIN I TY MAP 49d(PT/ PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PRELIMINARY PI.1NS - DO NOT USE TOIL CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael .. ry www.mbakerintl.com MICHAEL BAKER 0 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 2�Z SCALE: AS SHOWN SHEET Q W J 2 < 0. z OJ w a w w �LLJ L] U) F-- w _ �n J Q W ~ Z 0� 00 2z D W 0. PRELIMINARY PI.1NS - DO NOT USE TOIL CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael .. INTERNATIONAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET G�l OF G-1 w w Q �z Q:� W W ISI W I- JC� cn Q o �oLL:2 a© a v 0 / , O `-I I \vl- - _ \ ©a. is r EX Riyy - _ .-• .. - SR .2133 PLEASANT .RIDGE RD 24' BST SOUTH CAMPUS GRADING LIMITS ; I NORTH CAMPUS GRADING LIMITS -"7 •- --- - --- Q i . •_..-• ---c---�� —c— I I —__ --C------ I .—..—..—..—.._.....��, i 20+00 15+00 '--' \t5 -F00 20+00 NCDOT PROJECT / 5 —U --t ,— 1 T—, t b UNDER CONSTRUCTION a �' 2 SOUTH CAMPUS DRIVE NORTH CAMPUS DRIVE \ (BY OTHERS) / � I N T�-wI Imo - --------- + I ' I o -------------- ------------------------------ I --------------------- -------------- Y o i 1 19 19 1 191 1 --------------'------PROPO&EB-'-A-F:WNG------- 1 o -------------- PROPOSED------- I �_ PRP��SED , I OFFS 'BLDG. -(TYP)------------------------------- ---- OFFICE BLDG. --------------- I+ t 1 ----------- 1 d i O CIO 1 � I 1 0 1 - - - - - - - - - - - - - - - - - - - - - - a - -- - - - ----------- - - - — -- j I p v ------------- 1---------------------------- I `------------------J - ------- ---- T \ 1 D D D D D I D D D D \ I PROPOSED E- PROPOSED PROPOSED NORTH CAMPUS �e- i I HANGAR HANGAR APRON Proposed Site = 60. t Ac \� \ \ \ I I I \ I •D� • REVISIONS DATE I BY I DESCRIPTION 1---------- K6I=091126PKIP7 I % E-3 SEE POND IMPACTS POE 25+00.0 HANGAR TABLE THIS SHEET i (TYP) / /* -F - PROPOSED I �.� - OPOSED I 1 ► - I SWM POND M POND / ♦♦ i D \6`\ I.---------------- PROPOSED APRON PROPOSED D PROPOSED D D " D '--✓-_•f�/ i �\ HANGAR I SWM POND 411' I 1 I \ I I 4 - 2 �♦ \ D D I GRADE TO DRAIN -R 1 I D D '.`---------------� / — D D /'1 `.'r E-2 ♦-- ---- PROPOSED TAXIWAY GRADING LIMITS F -SCT--,—_, T-NCT { - ----- 1-44+00 Q O �• �s r 1 i 14000 1 1 1 1 1 PROPOSED N/W TAXIWAY CONNECTOR-� 1 1 1 1 ♦ 1 1 1 1 1 135+b0 1 1 �,. TEMPORARY SEDIMENT BASIN 41i 1 1 ' 15+00 E-4 r----------------- 4* --------------- �. � ice' � , � `' • � •�•. r N/W TAXIWAY -NTC- STA 146+73,89 = ' CONNECTOR -SCT- STA 10+00.00 •'� 1 �'• CONNECTOR -NCT- STA 10+00,00 \, 1� - PROPOSED TAXIWAY GRADING LIMITS r � i 4 TAX/WAY CONS TRUC TION Disturbed Area = 25.7Ac. 1 41 ` •� O4p- o ; 4o' •• •'. •` • �9&1r....,.�.. r� _ MATCH LINE T/W STA 130+00 'D 200 100 0 200 SCALE IN FEET PROPOSED TAXIWAY FA' LEGEND --------------- EXISTING PTIA PROPERTY LINE NCDOT RIGHT-OF-WAY LINE NCDOT CONTROLLED ACCESS ROW -- C ----F-- PROPOSED SITE GRADING LIMITS Existing EXISTING WETLANDS - - - PERENNIAL STREAM — — — INTERMITTENT STREAM ----------- 50FT JORDAN BUFFER (30' ZONE 1) - — 50FT JORDAN BUFFER (20' ZONE 2) PROPOSED DRAINAGE (s.f.) (s.f.) E- 3.43 50,354 36.792 TOTAL REMOVAL E-2 0.54 20.085 25,307 E-3 0.91 30,492 23.654 0 1,08 33.016 25,143 ' 0 0.62 22,206 18.070 NOT DISTURBED a' REVISIONS DATE I BY I DESCRIPTION 1---------- K6I=091126PKIP7 I % E-3 SEE POND IMPACTS POE 25+00.0 HANGAR TABLE THIS SHEET i (TYP) / /* -F - PROPOSED I �.� - OPOSED I 1 ► - I SWM POND M POND / ♦♦ i D \6`\ I.---------------- PROPOSED APRON PROPOSED D PROPOSED D D " D '--✓-_•f�/ i �\ HANGAR I SWM POND 411' I 1 I \ I I 4 - 2 �♦ \ D D I GRADE TO DRAIN -R 1 I D D '.`---------------� / — D D /'1 `.'r E-2 ♦-- ---- PROPOSED TAXIWAY GRADING LIMITS F -SCT--,—_, T-NCT { - ----- 1-44+00 Q O �• �s r 1 i 14000 1 1 1 1 1 PROPOSED N/W TAXIWAY CONNECTOR-� 1 1 1 1 ♦ 1 1 1 1 1 135+b0 1 1 �,. TEMPORARY SEDIMENT BASIN 41i 1 1 ' 15+00 E-4 r----------------- 4* --------------- �. � ice' � , � `' • � •�•. r N/W TAXIWAY -NTC- STA 146+73,89 = ' CONNECTOR -SCT- STA 10+00.00 •'� 1 �'• CONNECTOR -NCT- STA 10+00,00 \, 1� - PROPOSED TAXIWAY GRADING LIMITS r � i 4 TAX/WAY CONS TRUC TION Disturbed Area = 25.7Ac. 1 41 ` •� O4p- o ; 4o' •• •'. •` • �9&1r....,.�.. r� _ MATCH LINE T/W STA 130+00 'D 200 100 0 200 SCALE IN FEET PROPOSED TAXIWAY FA' LEGEND --------------- EXISTING PTIA PROPERTY LINE NCDOT RIGHT-OF-WAY LINE NCDOT CONTROLLED ACCESS ROW -- C ----F-- PROPOSED SITE GRADING LIMITS Existing EXISTING WETLANDS - - - PERENNIAL STREAM — — — INTERMITTENT STREAM ----------- 50FT JORDAN BUFFER (30' ZONE 1) - — 50FT JORDAN BUFFER (20' ZONE 2) EXISTING CONTOUR 835 PROPOSED CONTOUR Existing PROPOSED ASPHALT PAVEMENT ° PROPOSED CONCRETE PAVEMENT s PROPOSED BUILDING LOCATION 30' Zone 1 PROPOSED POND REMOVAL Remarks i PROPOSED DRAINAGE POND IMPACTS TABLE Existing Jordan Buffer Jordan Buffer ID Pond Area 30' Zone 1 20' Zone 2 Remarks (Ac.) (s.f.) (s.f.) E- 3.43 50,354 36.792 TOTAL REMOVAL E-2 0.54 20.085 25,307 E-3 0.91 30,492 23.654 0 1,08 33.016 25,143 ' 0 0.62 22,206 18.070 NOT DISTURBED THE TEMPORARY BASIN SHALL BE REMOVED AND p REGRADED FOR POSITIVE DRAINAGE UPON COMPLETION OF THE PROJECT. .�Y/" (1 ,�0 r 121,10-111 iii LIMIT OF BASIN GRADING PROPOSED TAXIWAY-//4' AXIWAY 65' SPILLWAY WITH GRADING LIMITS I ♦ /"� / TYPE II EROSION CONTROL MATTING EXISTING DRAINAGE TO BE REMO D T �p-� /� 50' Jordan Buffer C _ _ / (20' Zone 2) ao 50' Jordan Buffer OUTFALL PROTECTION (30' Zone 1) 50 25 0 50 \ � Existing Perenial Stream SCALE IN FEET TEMPORARY BASIN OUTFALL PLAN 'M464PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com � z O J � z cn Lu a2Q z O °- pw � aw z z� o w ww 0.� zcn � _ J Q U) > W W ry� O �2 O W Z ry (n DO O 2i 0. D O w � PRELIMINARY PIANS DO NOT IJSE TOIL CONSTRUCTION 11 DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNATIONAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET PD�l OF PD -3 MATCH LINE T/W STA 130+00 - SEE SHEET PD -1 /- PROPOSED PERIMETER ROAD --------------------------------- ---------------------- --- 130+00 --- 105+00- 110+00 ------------------------ ---- - - - - -- Future Taxiwu G - - - - - - - - - - - - - - - - - - - -- -=T--- ------ TWG_--- a - I ------------------------------------- W - --850 REVISIONS DATE I BY I DESCRIPTION -TWG- STA 140+82.72 = Runway 5L - 23R II II II II II - II II Toxiwoy H II II II 8�0 NW TAXIWAY CONNECTOR TO BRIDGE ACROSS I-73 200 100 0 200 SCALE IN FEET 875 07-0041h. LEGEND --•--•--•-••-•• EXISTING PTIA PROPERTY LINE NCDOT RIGHT-OF-WAY LINE — NCDOT CONTROLLED ACCESS ROW ----------• PROPOSED GRADING LIMITS EXISTING WETLANDS - - - PERENNIAL STREAM — — — INTERMITTENT STREAM ----------- 50FT JORDAN BUFFER (30' ZONE 1) 50FT JORDAN BUFFER (20' ZONE 2) EXISTING CONTOUR 835 PROPOSED CONTOUR PROPOSED ASPHALT PAVEMENT i PROPOSED DRAINAGE �AA04PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com o Q �z � Qw U) Q� U 0 o a �w � zwz 0 ww � Z c~—n � o 0 J U) LIJ Q W i W �= O Z ry W 0��z O � O PRELIMINARY PIANS DO NOT USE TOIL CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNAT10NAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET PD�2 OF PD -3 w w Q �z www W I- Jr-) (n Q O O C) L CULVERT INSTALLATION NOTES: 1. INSTALL EROSION CONTROL PERIMETER MEASURES AND SILT FENCE PER PLAN. ; \\ 2. AREA PREPARATION: ►► �I o�(o \\ I I I a) DRY WORK AREA USING SANDBAG DIKES WITH PLASTIC BARRIER LINERS AT UPSTREAM AND DOWNSTREAM LIMITS OF STREAM IMPACTS. b) PUMP WATER AROUND WORK AREA UNTIL AREA IS DRY ENOUGH FOR CONSTRUCTION. I ► 00Q i c) WATER FROM DISTURBED AREA SHALL BE PUMPED THROUGH AN ACCEPTABLE , I I , �` EROSION CONTROL DEVICE (SILT BAGS, SEDIMENT TRAP, ETC.) ; I PROPOSED -,,\,,/ 00, - TAXIWAY 3. INSTALL DRAINAGE STRUCTURE AT LOCATION AND ELEVATIONS SHOWN. , , 4. INSTALL EMBANKMENT ACROSS STREAM. 5. SEED AND MAT EMBANKMENT; STABILIZE AREA. 6. REMOVE TEMPORARY DIVERSION ONCE AREA IS STABILIZED. ► CENTERLINE ENDWALLN 863590.4699 ► Tr-:nnDnDADV E 1720770.2378 LEGEND --------------- EXISTING PTIA PROPERTY LINE NCDOT RIGHT-OF-WAY LINE NCDOT CONTROLLED ACCESS ROW -- C ----F-- PROPOSED SITE GRADING LIMITS EXISTING WETLANDS - - - PERENNIAL STREAM � 1 � I POP SANDBAG DIKE / 0000, SEE NOTE 2 TEMPORARY_ __ (' — — — INTERMITTENT STREAM STORAGE EXCAVATION ��' /� ' / / (45'x 10 x 2.5) `- / -.....000 /' I(i PROPOSED TAXIWAY 50FTJORDAN BUFFER / / GRADING LIMITS EXISTING CONTOUR -3- ��FLO�N LIMIT OF WORK AREA _ `� " � �_-- 835 PROPOSED CONTOUR �� / CLASS 1 RIP RAP 9 PROPOSED DRAINAGE�- / CENTERLINE ENDWALL/ 890 1 N 863308.3884 Cj 880 r STREAM BUFFER DELINEATION E 1720625.6037 FENCE (ORANGE SAFETY FENCE) 10' x 10' SILT BAG TEMPORARY ""OR APPROVED MEASURE SEDIMENT FENCE STORAGE EXCAVATION/ (Detail 2, Sheet EC -1) �� (50'x 15'x 3') l ;, • I j890 TEMPORARY DIVERSION CHANNEL / I (FLOW (Detail 4, Sheet EC -2) PROPOSED CULVERT INSTALLATION PLAN 50 25 0 50 SCALE IN FEET LEGEND PZ 1 x x x Jordan Buffer (30' Zone 1) X x x Permanent Impact Total = 20,458 ft2 Pz 2 O O O Jordan Buffer (20' Zone 2) 9 Permanent Impact Total = 11,276 ft2 TZ 1 Jordan Buffer (30' Zone 1) Temporary Impact Total = 6,118 ft2 Tz 2 Jordan Buffer (20' Zone 2) Temporary Impact Total = 6,228 ft2 DATE I BY REVISIONS DESCRIPTION ► TZ -2 2,005 ft2 ` ► \ W i EXISTING PERENNIAL STREAM PERENNIAL STREAM lo,/ PERMANENT IMPACT LIMIT / (TOTAL = 244 L.F.) INTERMITTENT STREAM I (TOTAL =150 L.F.) iii �%'✓ ,\ 1 � 1 EXISTING INTERMITTENT STREAM INTERMITTENT STREAM TEMPORARY IMPACT LIMIT (TOTAL = 35 L.F.) X x x x x x x x x> X x x O O �\ PROPOSED TAXIWAY _ X x aQ O 0 0O�O�o I I 10088 ft2 PZ -1 \` GRADING LIMITS - - %5,563 ft2 PZ12 I — 1403 ft2 ' — / TZ -2 1 010ft2 TZ—1 STREAM AND BUFFER IMPACTS 50 25 0 50 SCALE IN FEET CLASS 1 RIF Match Existing TAXIWAY C.L. 1-11"1 I n n c+ r 1"1 T A \/ I1 A/ A \/ B -44J SECTION A -A N.T.S. SLOPE 2:1 MAX. (TYP) FILTER FABRIC CLASS 1 RIP RAP TYPE II MATTING PROPOSED GRADE T EXIST. GROUND VARIES T = 20" MIN. H = 4.5' MAX. SECTION B -B I:I Match Existing �_ --- /ERT 872.83 NOTE: 1. COMPACT ANY FILL USED IN CONSTRUCTION OF RIP RAP LINED CHANNEL PER P-152 SPECIFICATION. 2. RIP RAP LINING SHALL BE LEVEL WITH (OR SLIGHTLY BELOW) EXISTING STREAM BED AND/OR PIPE INVERTS. 3. STREAM BANKS SHALL BE STABILIZED WITHIN 4 HOURS OF COMPLETION AND PRIOR TO REMOVING THE TEMPORARY DIVERSION. Circular Culvert 1211 Invert Rise (Diameter) STREAMBED DETAIL Not To Scale '4904PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PRELIMINARY PIANS DO NOT US13 FOR CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNAT10NAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET PD�3 OF PD -3 0 �Z � Qw U Q� a � � Z 0J� W Q � j W ww L: O I- J Z (n W 0 (j) W Q W � ryLLJ = D Zry O 00z O D 0� W � PRELIMINARY PIANS DO NOT US13 FOR CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNAT10NAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET PD�3 OF PD -3 w w Q -E4 ;7 fA {-f} Q J www W I- JC� (n Q O OC)LL:2 NCDOT PROJECT UNDER CONSTRUCTION (BY OTHERS) m Lia a d Q 'r © a" �1 -__ SR 2133 PLEASANT RIDGE SOUTH CAMPUS GRADING LIMITS REVISIONS DATE BY DESCRIPTION PPPRROPOSED PARK4NG PROPOSED OFFICE BLDG. D D D D D • D D D D PROPOSED HANGAR o . e STORMWATER WET POND S1 D.A.=69.86 Ac. D PERCENT IMPERVIOUS=58% 10 YR Q=364.55 cfs REQ'D W.Q. VOLUME=40 Ac -In. D REQ'D W.Q. SURFACE AREA=3.34 Ac. p DIMENSIONS=600' L x 250'W x 2'D WEIR LENGTH=120' BOTTOM ELEVATION=890.0 PROPOSED HAV GAR O ---- - - - - -- �� �I S PROPOSED TAXIWAY ° GRADING LIMITS PROPOSED N/W TAXIWAY CONNECTOR v EXIST, RiW \ d � NORTH CAMPUS GRADING LIMITS PROBOSED PARKING N, PROPOSED OFFICE BLDG. zffl jolw �1�J o,1-930 - \ __ / PROPO O HANG 00 PROPO HANGAR o o —890 \_ \. )00 i��` STORMWATER WET POND W1 STORMWATER WET POND N1 D.A.=5.73 Ac. D.A.=55.40 Ac. PERCENT IMPERVIOUS -55% PERCENT IMPERVIOUS=58% 10 YR Q=29.33 cfs 10 YR Q=289.49 cfs REQ'D W.Q. VOLUME=4.95 Ac -In. REQ'D W.Q. VOLUME=31.81 Ac -In. REQ'D W.Q. SURFACE AREA=0.41 Ac. REQ'D W.Q. SURFACE AREA=2.65 Ac. DIMENSIONS=198' L x 98'W x 0.9'D DIMENSIONS=520' L x 225'W x 2'D 1 - --- I WEIR LENGTH=35' WEIR LENGTH=120' �� \ BOTTOM ELEVATION=878.6 BOTTOM ELEVATION=882.0 rsk O P OPOSEDTAXIWAY' GRADING LIMITS 100I�•. ol f 4 O A a — 088 \ f 5,f I dl LEGEND --------------- EXISTING PTIA PROPERTY LINE NCDOT RIGHT—OF—WAY LINE — NCDOT CONTROLLED ACCESS ROW ----------- PROPOSED GRADING LIMITS EXISTING WETLANDS — — — PERENNIAL STREAM — — — INTERMITTENT STREAM ----------- 50FT JORDAN BUFFER (30' ZONE 1) — — 50FT JORDAN BUFFER (20' ZONE 2) 855— EXISTING CONTOUR 835 PROPOSED CONTOUR PROPOSED ASPHALT PAVEMENT ° - PROPOSED CONCRETE PAVEMENT s PROPOSED BUILDING LOCATION PROPOSED POND REMOVAL i PROPOSED DRAINAGE - - - - PROPOSED DRAINAGE AREA 200 100 0 200 SCALE IN FEET ,M464PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PRELIMINARY PIANS DO NOT IJSE TOIL CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNATIONAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET sw,IIIIIIIIIIIIIII, 1 OF SW -1 w w Q -E4 ;7 fA {-f} Q J www W I- JC� cn Q O :DoLL:2 E 6� - -- _ PLEASANT RIDGE RD 24BST N — _ SEE NOTE 2, THIS SHEET �0 6 4. ---------- rcr� -- -- CD T P j----- �� \ kO __�_--',-----�-_ __------- BERM DITCH - -'" 950 - n 940 NCDOT PROJECT UNDER CONSTRUCTION (BY OTHERS) \ TS3 �X i o IPROPOSED' SOUTH CAMPUS DRIVE \ \ I O I I � CV C7) REVISIONS DESCRIPTION O M rn - y3u 920 2' BASE DITCH • ••.:: 867129.15430 E 171813 0.17• 11 A 00.00 -SCD- STA 10+00.00 10+00.00 866839.2307 E 1718405.9336 ��»> ,ice � II�► ® ® I• 1• PROPOSED ' 1 ' tel' _d}' ` •i MEM - r�l • .•. -I 1 I OFFICE BLDG. � S36 S35 S47 S41 ° S38 y IR S37 END BASELINE TRAP 4 4 4 r' 4 4 S34 S33 S31 -SCD- 31+17016 (130 x20 x2.5) Q Q^ 4 4 4 SEE NOTE 1, THIS SHEET 4 N 865286.3181 �� ° E 171763703046 ° ° ° (TYP) ° p 0 0 4 4 \ PROPOSED HANGAR 4 a 4 aa 4 a 4 a Q a go 9U 0 0. o 4 4 4 4 4 4 / 4 4 a 4 a 4 a 4 a a/ Q a a 4 4 4 4 4 4 4 4 0 o Q o 0 0 0 o 0 0� o 0 ),a 4 a a 4 a 4 a 4 a 4 a 4 a 4 4 4 a 4 4 �4 4 4 4 4 4 Z� D Z Z� Z� –� 4 0a6\ 4 Q 4 Q 4 4 < < Q 4 Q 14 Q 4 4 4 4 PROP SED CONCRETE APRON D D U U L1 D 0 O I O 4 4 4 4 4 4 Q 4 Q 4 Q 4 Q 4 Q 4 Q 4 Q 4 Q I4 4 D 4 _ 4 4 4 Q 4 Q 4 Q 4 Q 4 Q 4 Q Q 4 Q 4� Q 4 4 4 4 4 4 4 4 4 g10 4 4 4 4 4 4 OUTFALL CHANNEL 4 i TO SWM POND 4 Q 4 ° 4 Q 4 Q 4 Q 4 Q 4 Q 4 Q 4 Q O �. o o - v 910 0 0 0 o S24 0� TS6 TRAP TS7 TRAP TS5 4 O 140x65x3.5 4 O` 180x65x3.5 4 ' TRAP 180 x 50 x 2 S27 S26 a a S25 „ y y 11 y 100 50 0 100 SCALE IN FEET PROPOSED HANGAR PROPOSED SEDIMENT BASIN \ r J I X000 120' SPILLWAY WITH \ \ TYPE II EROSION CONTROL MATTING \ `� �d 1 -\---------- - -----=------------------------- - - - - -- ---- - - - - ----- v --- - --- -- FUTURE TAX/WA Y (SEE SHEET PD- 1) ------------ 11 ------ I n r z m YA m m m m 0 NO LEGEND -••-••-••-••-•• EXISTING PTIA PROPERTY LINE NCDOT RIGHT-OF-WAY LINE — NCDOT CONTROLLED ACCESS ROW -- C - - - - F -- PROPOSED SITE GRADING LIMITS EXISTING WETLANDS - - - PERENNIAL STREAM — — — INTERMITTENT STREAM — 50FT JORDAN BUFFER EXISTING CONTOUR 835 PROPOSED CONTOUR PROPOSED ASPHALT PAVEMENT ° e e PROPOSED CONCRETE PAVEMENT PROPOSED BUILDING LOCATION r PROPOSED DRAINAGE GRAVEL CONSTR. ENTRANCE (Detail 3, Sheet EC -1) STREAM BUFFER DELINEATION FENCE (ORANGE SAFETY FENCE) SEDIMENT FENCE (Detail 2, Sheet EC -1) TEMPORARY DIVERSION CHANNEL (FLOW (Detail 4, Sheet EC -2) TEMPORARY SEDIMENT BASIN TRAP (L x W x D) (Detail 2, Sheet EC -2) BLOCK AND GRAVEL INLET PROTECTION 13 (Detail 1, Sheet EC -3) ROCK DOUGHNUT INLET PROTECTION 0 (Detail 3, Sheet EC -4) ROCK PIPE INLET PROTECTION (Detail 1, Sheet EC -4) ROCK CHECK DAM (Detail 4, Sheet EC -3) TSD TEMPORARY SLOPE DRAIN (Detail 2, Sheet EC -4) EROSION CONTROL MATTING (Detail 1, Sheet EC -1) moo 0 RIP RAP CHANNEL LINING SEDIMENT BASIN S1 D.A.=69.86 Ac. 10 YR Q=364.55 cfs REQ'D SEDIMENT STORAGE=122,065.7 CF DESIGN SEDIMENT STORAGE=325,512.19 CF REQ'D SURFACE AREA=158,578.4 SF DESIGN SURFACE AREA=168,693.44 SF TRAP DIMENSIONS=600' L x 250'W x 2'D WEIR LENGTH=120' BOTTOM ELEVATION=890.0 NOTE: 1. SEE SHEET DS -1 FOR SOUTH CAMPUS DRAINAGE STRUCTURE TABLES. 2. SEE SHEET EC -2 FOR TEMPORARY BMP DESIGN DATA. 'M464PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PRELIMINARY PIANS DO NOT 1JS13 TOIL CONSTRUCTION //IIIIIIII``. DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNATIONAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET GD�l OF GD -2 W w Q t� z fA {f} Q J www W I- JC� cn Q O :DoLL:2 0 W W U) W w � r Tic u — - a 0 0 LO TS8 0 `tea' TRAP 10 (120 x45x2.5) 930 - - - - - 4 -� WE 3' BASE DITCH TRAP (90x35x2.5) _ 0j10 LEGEND u -••-••-••-••-•• EXISTING PTIA PROPERTY LINE g40 NCDOT RIGHT-OF-WAY LINE 0�6 g40 — NCDOT CONTROLLED ACCESS ROW o \ -- -- _ _ -- C----F--PROPOSED SITE GRADING LIMITS .....-- -------------------------------- ---------- ---------------' --I _ 2/33 PLEASANT RIDGE RD 24' BST- EXISTING WETLANDS �- - - - PERENNIAL STREAM o X30 i i SEE NOTE 2, THIS SHEET o — — — INTERMITTENT STREAM cv i i (TYP) 50FT JORDAN BUFFER -------------------------------------------------- _ - , - i EXISTING CONTOUR --' 920 91 '� \������� '�—�� 835 PROPOSED CONTOUR x920 0 PROPOSED ASPHALT PAVEMENT 2' BAS CH Ak Ak PROPOSED NORTH CAMPUS DRIVE ; - _- _ 9/ PROPOSED CONCRETE PAVEMENT TRAP 2' BASE DITCH S10 (165 x 80 x 2.5) i M6N6o V �� \ PROPOSED BUILDING LOCATION �. ,1 I I N55 N56 N47 25+00 - l I I N58 PROPOSED DRAINAGE ------------------------------------------------------- -I ` N48 N54 N46 LL ` GRAVEL CONSTR. ENTRANCE -------- - ---------- - 9 !---------------------- ---- - ! I .► /, % i o (Detail 3 Sheet EC -1) -�OFFICE BLDG. I -PA-R-K-N--G-T- rR-�-4- ---- -4 - U - I N43 ----------------- N` N42� ` N40 1) , o `900 I � ---------------------------------- -----— — — — — — — — — — — — — — — — — — — N38 N50 2' BASE DITCH N41 N33 i - N32 o N37 11" 6 N35 N34 \ D v v D v D v D v D v END BASELINE v v SEE NOTE 1, THIS SHEET -NCD- 2 4 I v v ° ° ° ° N 8673644..91839183 (TYP) ° ° ° E 1719830.514 N31 D v D v D v v. D ° ° ° SEE NOTE 3, THIS SHEET ° d' SEDIMENT BASIN W1 D.A.=5.73 Ac. / , �9 v v ° ° 10 YR Q=29.33 cfs REQ'D SEDIMENT STORAGE=10,321.3 CF v ^ v v DESIGN SEDIMENT STORAGE= 18,191.16 CF REQ'D SURFACE AREA=12,760.17 SF v D v 01 v D ° D v DESIGN SURFACE AREA=21,031.73 SF 1 TRAP DIMENSIONS=198' L x 98'W x 0.9'D ° \ ° WEIR LENGTH -35' v PROPOSED CONCRETE APRON v v BOTTOM ELEVATION=878.6 D v v D v D v PROPOSED HANGAR ° W3 D W2 D D o P D v D v AND GRADING L/M/TSd"t_ _ I (SEE SHEET PD- 1)UUb - - _ I71— _--- REVISIONS >77, a ' J 100 50 0 100 SCALE IN FEET DATE BY DESCRIPTION co 0 I � ; '19 f FLOW TRAP (L x W x D) 13 0 V, 90I)l I STREAM BUFFER DELINEATION FENCE (ORANGE SAFETY FENCE) SEDIMENT FENCE (Detail 2, Sheet EC -1) TEMPORARY DIVERSION CHANNEL (Detail 4, Sheet EC -2) TEMPORARY SEDIMENT BASIN (Detail 2, Sheet EC -2) BLOCK AND GRAVEL INLET PROTECTION (Detail 1, Sheet EC -3) ROCK DOUGHNUT INLET PROTECTION (Detail 3, Sheet EC -4) ROCK PIPE INLET PROTECTION (Detail 1, Sheet EC -4) ROCK CHECK DAM (Detail 4, Sheet EC -3) TSS TEMPORARY SLOPE DRAIN (Detail 2, Sheet EC -4) EROSION CONTROL MATTING \ 0 A X02 \ � ,, (Detail 1, Sheet EC -1) X19., 9g \ , _ \ \ \ S oQCA \�� o RIP RAP CHANNEL LINING 088 \` r _ a60 / ► `�� \ OSB e 120' SPILLWAY WITH �S / TYPE II EROSION CONTROL MATTING PROPOSED SEDIMENT BASIN O i p / SEDIMENT BASIN N1 D.A.=55.40 Ac. 10 YR Q=289.49 cfs REQ'D SEDIMENT STORAGE=93,420.0 CIF DESIGN SEDIMENT STORAGE=243,028.31 CF 1 REQ'D SURFACE AREA=125,927.99 SF DESIGN SURFACE AREA=126,084.92 SIF r O ► TRAP DIMENSIONS=520' L x 225'W x 2'D I �// ► WEIR LENGTH=120' 1 i� BOTTOM ELEVATION=882.0 I 006_ I�� l G ove NOTE: 1. SEE SHEET DS -2 FOR NORTH CAMPUS DRAINAGE STRUCTURE TABLES. 2. SEE SHEET EC -2 FOR TEMPORARY BMP DESIGN DATA. 3. BASIN IS DESIGNED AS FUTURE BMP TO ALLOW FOR SUFFICIENT TREATMENT AND DRAINAGE TO DISSIPATE AND FLOW INTO THE EXISTING WETLAND TO MAINTAIN IT'S CURRENT FUNCTIONALITY. �AA04PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX:(336) 665-5694 www.flyfrompti.com z Q J � J 0 Q �Z � a� �Z O zIn 0 0 z O; UO aw =O Z C) O�LL] w w � O z�n oz Q awLU �0 � 0. z 0Q zry �0� DO o 2 z o c� w z � o Q (D PRELIMINARY PIANS DO NOT IJSE FOR �- C(1\TST1tiJCTIO\t :� DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNAT10NAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET GD�2 OF GD -2 ► II i , W4 - v , I I v v ,v v 35' SPILLWAY ` i I I i TYPE II EROSION CONTROL MATTINGN29 I I k D v D v OUTFALL CHANNEL II I I i ► TO SWM POND I I v WETLAND NOT TO BE DISTURBED PROPOSED HANGAR D v D v D v _- TRAP ° S13 SKIMMER TRAP ► ,� N27 S1 (135 x 35 x 2) ° (190 x 55 x 3) N25 FUTURE TAXI WA Y ► w5 N26 AND GRADING L/M/TSd"t_ _ I (SEE SHEET PD- 1)UUb - - _ I71— _--- REVISIONS >77, a ' J 100 50 0 100 SCALE IN FEET DATE BY DESCRIPTION co 0 I � ; '19 f FLOW TRAP (L x W x D) 13 0 V, 90I)l I STREAM BUFFER DELINEATION FENCE (ORANGE SAFETY FENCE) SEDIMENT FENCE (Detail 2, Sheet EC -1) TEMPORARY DIVERSION CHANNEL (Detail 4, Sheet EC -2) TEMPORARY SEDIMENT BASIN (Detail 2, Sheet EC -2) BLOCK AND GRAVEL INLET PROTECTION (Detail 1, Sheet EC -3) ROCK DOUGHNUT INLET PROTECTION (Detail 3, Sheet EC -4) ROCK PIPE INLET PROTECTION (Detail 1, Sheet EC -4) ROCK CHECK DAM (Detail 4, Sheet EC -3) TSS TEMPORARY SLOPE DRAIN (Detail 2, Sheet EC -4) EROSION CONTROL MATTING \ 0 A X02 \ � ,, (Detail 1, Sheet EC -1) X19., 9g \ , _ \ \ \ S oQCA \�� o RIP RAP CHANNEL LINING 088 \` r _ a60 / ► `�� \ OSB e 120' SPILLWAY WITH �S / TYPE II EROSION CONTROL MATTING PROPOSED SEDIMENT BASIN O i p / SEDIMENT BASIN N1 D.A.=55.40 Ac. 10 YR Q=289.49 cfs REQ'D SEDIMENT STORAGE=93,420.0 CIF DESIGN SEDIMENT STORAGE=243,028.31 CF 1 REQ'D SURFACE AREA=125,927.99 SF DESIGN SURFACE AREA=126,084.92 SIF r O ► TRAP DIMENSIONS=520' L x 225'W x 2'D I �// ► WEIR LENGTH=120' 1 i� BOTTOM ELEVATION=882.0 I 006_ I�� l G ove NOTE: 1. SEE SHEET DS -2 FOR NORTH CAMPUS DRAINAGE STRUCTURE TABLES. 2. SEE SHEET EC -2 FOR TEMPORARY BMP DESIGN DATA. 3. BASIN IS DESIGNED AS FUTURE BMP TO ALLOW FOR SUFFICIENT TREATMENT AND DRAINAGE TO DISSIPATE AND FLOW INTO THE EXISTING WETLAND TO MAINTAIN IT'S CURRENT FUNCTIONALITY. �AA04PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX:(336) 665-5694 www.flyfrompti.com z Q J � J 0 Q �Z � a� �Z O zIn 0 0 z O; UO aw =O Z C) O�LL] w w � O z�n oz Q awLU �0 � 0. z 0Q zry �0� DO o 2 z o c� w z � o Q (D PRELIMINARY PIANS DO NOT IJSE FOR �- C(1\TST1tiJCTIO\t :� DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker INTERNAT10NAL www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET GD�2 OF GD -2 w w Q -E4z fA {-f} Q J www W I- J D (n Q O OC)LL:2 DRAINAGE STRUCTURE TABLE DRAINAGE STRUCTURE TABLE 49d(PT/ PIEDMONT TRIAD AIRPORT AUTHOR PTY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com V J W O 0. I..L 1z w W � J 2 zO U Jam/ 0 W I..L W�+ 0 W I..L WUj (D Z Cn z Of �Of < Uj n ry VJ 1 Z� � O O �Z U T W I..L V ) PIIEL11111NARY PI. ANS DO NOT USE FOIA CONSTRI1CTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. 1 Michael Baker I N T E R N A T 1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET REVISIONSDS�l OF DS -2 NO. DATE BY DESCRIPTION O I.D. NORTHING FASTING DESCRIPTION TOP EL. INV. IN INV. OUT REMARKS S67 866320.6625 1717716.115 Drop Inlet, Type B (NCDOT Std 840.18) 936.33 921.15 15" RCP Class III 921.15 918.04 S66 866245.6268 1717733.149 Drop Inlet, Type B (NCDOT Std 840.18) 921.33 918.04 917.13 24" RCP Class III 917.13 914.78 S64 865670.9927 1717460.242 Catch Basin, Open Throat (NCDOT Std 840.04) 916.59 908.32 912.78 18" RCP Class III 912.78 911.44 S63 865619.4412 1717509.063 Catch Basin, Open Throat (NCDOT Std 840.04) 915.77 911.44 911.34 18" RCP Class III 911.34 910.00 See S59 S62 865567.9108 1717557.905 Catch Basin, Open Throat (NCDOT Std 840.04) 914.96 910.00 909.90 18" RCP Class III 909.90 908.56 S61 865516.3803 1717606.748 Catch Basin, Open Throat (NCDOT Std 840.04) 914.14 908.56 908.46 24"RCP Class III 908.46 907.12 S65 865439.6695 1717608.994 Catch Basin, Open Throat (NCDOT Std 840.04) 913.07 900.60 909.17 15" RCP Class III 907.02 908.11 See S60 S60 865464.8499 1717655.591 Catch Basin, Open Throat (NCDOT Std 840.04) 913.33 907.02 908.11 (15") See S65 907.12 (24") 24" RCP Class III 907.02 905.68 S59 865413.3195 1717704.434 Catch Basin, Open Throat (NCDOT Std 840.04) 912.51 905.68 905.58 24" RCP Class III 905.58 903.99 See S37 S58 865938.8423 1717644.649 Catch Basin, Open Throat (NCDOT Std 840.04) 920.36 896.94 (48") 914.55 15" RCP Class III 914.55 914.42 S57 865961.3518 1717668.398 Catch Basin, Open Throat (NCDOT Std 840.04) 920.38 914.42 914.32 15" RCP Class III 914.32 913.98 See S31 S56 865922.8881 1717728.278 Drop Inlet, Type B (NCDOT Std 840.18) 916.90 913.98 913.88 15" RCP Class III 913.88 912.37 See S32 S55 866141.6861 1717941.167 Catch Basin, Open Throat (NCDOT Std 840.04) 917.32 896.42 (54") 914.39 15" RCP Class III 914.39 914.35 S54 866133.1219 1717949.283 Drop Inlet, Type B (NCDOT Std 840.18) 916.90 894.32 912.27 60" RCP Class III 912.37 (15") 893.91 See S56 S29 866039.3985 1719065.666 Precast Concrete Endwall, 60" (NCDOT Std 838.80) 899.91 914.35 (15") 893.91 S28 864553.6832 1718264.937 15" RCP Class III 908.99 912.27 911.85 S53 866066.0224 1718004.614 Drop Inlet, Type B (NCDOT Std 840.18) 915.42 911.85 911.75 S27 864713.6729 1718433.752 15" RCP Class III 908.81 911.75 910.39 S52 866391.6961 1718229.646 Catch Basin, Open Throat (NCDOT Std 840.04) 914.26 901.69 910.79 S26 864873.6626 1718602.566 15"RCP Class III 908.48 910.79 910.02 S51 866340.1656 1718278.489 Catch Basin, Open Throat (NCDOT Std 840.04) 913.45 910.02 910.02 S25 865028.9504 1718766.42 18" RCP Class III 908.33 909.92 909.15 S50 866288.6352 1718327.332 Catch Basin, Open Throat (NCDOT Std 840.04) 912.63 909.15 909.05 S24 865266.7147 1718941.56 18" RCP Class III 902.23 909.05 908.28 S49 866237.1048 1718376.175 Catch Basin, Open Throat (NCDOT Std 840.04) 911.82 908.28 908.18 18" RCP Class III 908.18 905.91 S48 866185.5743 1718425.017 Catch Basin, Open Throat (NCDOT Std 840.04) 911.00 905.91 905.27 24" RCP Class III 905.27 902.99 S47 866134.0439 1718473.86 Catch Basin, Open Throat (NCDOT Std 840.04) 910.19 902.99 902.89 24" RCP Class III 902.89 902.33 See S34 S46 866613.3048 1718454.245 Catch Basin, Open Throat (NCDOT Std 840.04) 911.91 907.88 15" RCP Class III 907.88 907.11 S45 866561.7743 1718503.088 Catch Basin, Open Throat (NCDOT Std 840.04) 911.09 907.11 907.01 18" RCP Class III 907.01 906.24 S44 866510.2439 1718551.931 Catch Basin, Open Throat (NCDOT Std 840.04) 910.28 906.24 906.14 18" RCP Class III 906.10 905.37 S43 866458.7135 1718600.774 Catch Basin, Open Throat (NCDOT Std 840.04) 909.46 905.37 905.27 18" RCP Class III 905.27 903.66 S42 866407.183 1718649.616 Catch Basin, Open Throat (NCDOT Std 840.04) 908.65 903.66 903.06 24" RCP Class III 903.06 901.45 S41 866355.6526 1718698.459 Catch Basin, Open Throat (NCDOT Std 840.04) 907.83 901.45 901.35 24" RCP Class III 901.35 900.96 See S33 I.D. > z NORTHING FASTING DESCRIPTION TOP EL. INV. IN INV. OUT REMARKS S40 865703.7208 1717931.975 Catch Basin, Open Throat (NCDOT Std 840.04) 915.99 912.45 12" RCP Class III 912.45 911.85 S39 865496.9234 1717393.594 Drop Inlet, Type B (NCDOT Std 840.18) 914.78 909.80 24" RCP Class III 909.80 908.32 S38 865279.1914 1717599.969 Drop Inlet, Type B (NCDOT Std 840.18) 912.41 908.32 908.22 24" RCP Class III 908.22 905.46 S37 865394.7434 1717722.041 Drop Inlet, Type A (NCDOT Std 840.17) 911.35 903.99 903.99 (24") See S59 905.46 (24") 42" RCP Class III 903.99 902.19 S36 865645.4711 1717987.229 Drop Inlet, Type A (NCDOT Std 840.17) 909.67 902.19 902.09 42" RCP Class III 902.09 900.60 S35 865853.1737 1718206.361 Drop Inlet, Type A (NCDOT Std 840.17) 908.27 900.60 900.50 42" RCP Class III 900.50 898.59 S34 866119.6721 1718487.524 Drop Inlet, Type A (NCDOT Std 840.17) 906.45 898.49 902.33 (24") See S47 898.59 (42") 48" RCP Class III 898.49 896.94 S33 866337.076 1718716.066 Drop Inlet, Type A (NCDOT Std 840.17) 904.96 896.84 900.96 (24") See S41 896.94 (48") 54" RCP Class III 896.84 896.42 S32 866426.1825 1718702.124 Catch Basin, Open Throat (NCDOT Std 840.04) 908.07 904.07 12" RCP Class III 904.07 902.46 See S31 S31 866398.8441 1718782.058 Drop Inlet, Type A (NCDOT Std 840.17) 904.57 896.32 902.46 (12") See S32 896.42 (54") 60" RCP Class III 896.32 894.32 S30 866104.5045 1719061.004 Precast Manhole (NCDOT Std 840.54) 906.48 894.32 894.22 60" RCP Class III 894.22 893.91 S29 866039.3985 1719065.666 Precast Concrete Endwall, 60" (NCDOT Std 838.80) 899.91 893.91 S28 864553.6832 1718264.937 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 908.99 904.05 18" RCP Class III 904.05 901.79 S27 864713.6729 1718433.752 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 908.81 901.79 901.69 30" RCP Class iii 901.69 899.43 S26 864873.6626 1718602.566 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 908.48 899.43 899.33 42" RCP Class III 899.33 898.21 S25 865028.9504 1718766.42 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 908.33 898.24 898.14 48" RCP Class III 898.14 896.16 S24 865266.7147 1718941.56 Precast Concrete Endwall, 48" (NCDOT Std 838.80) 902.23 896.93 w �09 w Q �z '69 -a -i www w�--io Vna -o DoLL:2 �A 164 -Ef�XA DRAINAGE STRUCTURE TABLE DRAINAGE STRUCTURE TABLE '04PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com V ) W J O Z W W � J z0 U OJ W W 0 W 1..1� WUj (D Z Cn z U) VJ Uj V ) n Z 00 2zQ U W I..L O PRELI)IINARY P1,11NS UO NOT USE FOR CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael � r I i I N T E R N AT 1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET REVISIONS DS -2 OF DS -2 NO. DATE BY DESCRIPTION I.D. NORTHING FASTING DESCRIPTION TOP EL. INV. IN INV. OUT REMARKS N63 867180.7225 1718702.275 Precast Concrete Endwall, 30" (NCDOT Std 838.80) 916.85 913.04 30" RCP Class III 913.04 910.57 N62 867110.1911 1718769.128 Precast Concrete Endwall, 30" (NCDOT Std 838.80) 914.38 910.57 N61 867391.5151 1719100.085 Drop Inlet, Type B (NCDOT Std 840.18) 906.02 902.02 30" RCP Class III 902.02 900.06 N60 867379.6485 1719190.904 Catch Basin, Open Throat (NCDOT Std 840.04) 909.89 906.66 15" RCP Class III 906.66 905.50 N59 867311.997 1719175.877 Catch Basin, Open Throat (NCDOT Std 840.04) 909.73 900.86 905.50 (15") See N60 900.06 (30") 30" RCP Class III 900.86 900.78 N58 867302.8839 1719184.146 Drop Inlet, Type B (NCDOT Std 840.18) 908.50 900.78 900.68 30" RCP Class III 900.68 899.85 N57 867236.0582 1719239.033 Drop Inlet, Type B (NCDOT Std 840.18) 907.22 899.85 899.75 30" RCP Class III 899.75 896.87 See N36 N56 867093.9952 1718963.828 Drop Inlet, Type B (NCDOT Std 840.18) 908.50 906.51 15" RCP Class III 906.51 906.09 N55 867056.0768 1718921.382 Catch Basin, Open Throat (NCDOT Std 840.04) 912.06 906.09 905.99 15" RCP Class III 905.99 905.49 N54 867004.5463 1718970.225 Catch Basin, Open Throat (NCDOT Std 840.04) 910.99 905.49 905.39 18" RCP Class III 905.39 904.22 N53 866953.0159 1719019.068 Catch Basin, Open Throat (NCDOT Std 840.04) 909.96 904.22 904.12 18" RCP Class III 904.12 902.94 N52 866901.4854 1719067.91 Catch Basin, Open Throat (NCDOT Std 840.04) 908.93 902.94 902.84 24" RCP Class III 902.84 901.67 N51 866849.955 1719116.753 Catch Basin, Open Throat (NCDOT Std 840.04) 907.91 901.67 901.57 24" RCP Class III 901.57 900.40 N50 866798.4246 1719165.596 Catch Basin, Open Throat (NCDOT Std 840.04) 906.88 900.40 900.30 24" RCP Class III 900.30 899.92 See N37 N49 867690.7111 1719549.23 Drop Inlet, Type B (NCDOT Std 840.18) 900.73 895.99 24" RCP Class III 895.99 895.21 N48 867585.3371 1719556.508 Drop Inlet, Type B (NCDOT Std 840.18) 899.07 895.21 895.11 24" RCP Class III 895.11 892.69 See N34 N47 867564.5761 1719457.863 Catch Basin, Open Throat (NCDOT Std 840.04) 907.41 904.24 15" RCP Class III 904.24 902.22 N46 867513.0457 1719506.706 Catch Basin, Open Throat (NCDOT Std 840.04) 906.38 902.22 902.12 15" RCP Class III 902.12 900.11 N45 867461.5152 1719555.548 Catch Basin, Open Throat (NCDOT Std 840.04) 905.35 900.11 900.01 15" RCP Class III 900.01 898.00 N44 867409.9848 1719604.391 Catch Basin, Open Throat (NCDOT Std 840.04) 904.32 898.00 897.90 24" RCP Class III 897.90 895.89 See N42 Z I.D. > z NORTHING FASTING DESCRIPTION TOP EL. INV. IN INV. OUT REMARKS N40 866866.6522 1719168.103 Catch Basin, Open Throat (NCDOT Std 840.04) 907.07 904.79 15" RCP Class III 904.79 904.49 N39 N38 N37 866445.4064 1718830.093 Drop Inlet, Type B (NCDOT Std 840.18) 15" RCP Class III Drop Inlet, Type B (NCDOT Std 840.18) 15" RCP Class III Drop Inlet, Type B (NCDOT Std 840.18) 907.08 904.57 866612.6932 1719006.586 1719181.336 905.47 903.85 904.57 902.89 902.79 902.89 866778.3288 902.79 899.45 899.35 899.92 (24") See N50 899.45 (15") 30" RCP Class III 899.35 894.35 N36 867023.3415 1719440.655 Drop Inlet, Type A (NCDOT Std 840.17) 901.51 894.25 896.87 (30") See N57 1719717_817 1719781.886 898.93 894.35 (30") 894.25 891.59 891.49 N35 N34 867286.8282 42" RCP Class III Drop Inlet, Type A (NCDOT Std 840.17) 867347.5563 898.06 893.12 (24") See N41 891.59 (42") 48" RCP Class III Drop Inlet, Type A (NCDOT Std 840.17) 891.49 890.92 890.82 892.69 (24") See N48 890.92 (48") 54" RCP Class III 890.82 890.45 N33 867402.0655 1719839.395 Drop Inlet, Type A (NCDOT Std 840.17) 897.69 890.45 890.35 54" RCP Class III 890.35 890.14 N32 867434.8335 1719873.966 Precast Manhole (NCDOT Std 840.54) 900.69 890.14 890.04 54" RCP Class III Precast Manhole (NCDOT Std 840.54) 54" RCP Class III 890.04 889.44 N31 867431.4943 1719998.669 896.97 889.44 889.34 889.34 888.20 N30 867276.4345 1720174.084 Precast Manhole (NCDOT Std 840.54) 54" RCP Class III Precast Concrete Endwall, 54" (NCDOT Std 838.80) Traffic Bearing Drop Inlet (NCDOT Std 840.35) 30" RCP Class III Traffic Bearing Drop Inlet (NCDOT Std 840.35) 48" RCP Class III 899.69 888.20 888.10 888.10 886.60 N29 N27 N26 867057.9566 866366.4312 1720381.167 1720177.53 894.10 886.60 893.09 896.45 890.16 890.06 1720393.682 890.06 887.13 866571.3094 894.30 887.13 887.03 887.03 884.93 N25 866776.1877 1720609.835 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 892.16 884.93 884.83 48" RCP Class III 884.83 884.34 N24 866845.3688 1720617.391 Precast Concrete Endwall, 60" (NCDOT Std 838.80) 885.78 884.34 W5 866177.057 1719956.9 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 898.54 894.54 15" RCP Class III 894.54 889.65 W4 866476.0082 866476.0082 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 900.59 889.65 885.40 N43 867401.7201 1719679.012 Catch Basin, Open Throat (NCDOT Std 840.04) 902.99 899.16 15" RCP Class III Catch Basin, Open Throat (NCDOT Std 840.04) 903.29 899.16 898.06 (15") 898.06 895.79 1719161.121 N42 867356.3116 1719651.957 899.23 895.89 (24") 899.23 896.96 24" RCP Class III W2 895.79 893.78 Traffic Bearing Drop Inlet (NCDOT Std 840.35) N41 867306.9239 1719702.077 Catch Basin, Open Throat (NCDOT Std 840.04) 24" RCP Class III 902.26 893.78 893.68 15" RCP Class III 893.68 893.12 See N35 I.D. > z NORTHING FASTING DESCRIPTION TOP EL. INV. IN INV. OUT REMARKS N40 866866.6522 1719168.103 Catch Basin, Open Throat (NCDOT Std 840.04) 907.07 904.79 15" RCP Class III 904.79 904.49 N39 N38 N37 866445.4064 1718830.093 Drop Inlet, Type B (NCDOT Std 840.18) 15" RCP Class III Drop Inlet, Type B (NCDOT Std 840.18) 15" RCP Class III Drop Inlet, Type B (NCDOT Std 840.18) 907.08 904.57 866612.6932 1719006.586 1719181.336 905.47 903.85 904.57 902.89 902.79 902.89 866778.3288 902.79 899.45 899.35 899.92 (24") See N50 899.45 (15") 30" RCP Class III 899.35 894.35 N36 867023.3415 1719440.655 Drop Inlet, Type A (NCDOT Std 840.17) 901.51 894.25 896.87 (30") See N57 1719717_817 1719781.886 898.93 894.35 (30") 894.25 891.59 891.49 N35 N34 867286.8282 42" RCP Class III Drop Inlet, Type A (NCDOT Std 840.17) 867347.5563 898.06 893.12 (24") See N41 891.59 (42") 48" RCP Class III Drop Inlet, Type A (NCDOT Std 840.17) 891.49 890.92 890.82 892.69 (24") See N48 890.92 (48") 54" RCP Class III 890.82 890.45 N33 867402.0655 1719839.395 Drop Inlet, Type A (NCDOT Std 840.17) 897.69 890.45 890.35 54" RCP Class III 890.35 890.14 N32 867434.8335 1719873.966 Precast Manhole (NCDOT Std 840.54) 900.69 890.14 890.04 54" RCP Class III Precast Manhole (NCDOT Std 840.54) 54" RCP Class III 890.04 889.44 N31 867431.4943 1719998.669 896.97 889.44 889.34 889.34 888.20 N30 867276.4345 1720174.084 Precast Manhole (NCDOT Std 840.54) 54" RCP Class III Precast Concrete Endwall, 54" (NCDOT Std 838.80) Traffic Bearing Drop Inlet (NCDOT Std 840.35) 30" RCP Class III Traffic Bearing Drop Inlet (NCDOT Std 840.35) 48" RCP Class III 899.69 888.20 888.10 888.10 886.60 N29 N27 N26 867057.9566 866366.4312 1720381.167 1720177.53 894.10 886.60 893.09 896.45 890.16 890.06 1720393.682 890.06 887.13 866571.3094 894.30 887.13 887.03 887.03 884.93 N25 866776.1877 1720609.835 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 892.16 884.93 884.83 48" RCP Class III 884.83 884.34 N24 866845.3688 1720617.391 Precast Concrete Endwall, 60" (NCDOT Std 838.80) 885.78 884.34 W5 866177.057 1719956.9 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 898.54 894.54 15" RCP Class III 894.54 889.65 W4 866476.0082 866476.0082 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 900.59 889.65 885.40 15" RCP Class III 885.40 884.51 W3 866124.8224 1719161.121 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 905.49 899.23 15" RCP Class III 899.23 896.96 W2 866345.1418 1719393.593 Traffic Bearing Drop Inlet (NCDOT Std 840.35) 903.19 896.96 881.80 15" RCP Class III 881.80 881.40 w w Q -EP, :7 .69a_j www w�_ Io Vn a I --I o �oLLi� 16, EROSION CONTROL CONSTRUCTION SEQUENCE AND MAINTENANCE NOTES: 1. ALL TEMPORARY DIVERSION BERMS, SILT FENCE, & EROSION & SEDIMENT CONTROL MEASURES REQUIRED FOR LAND DISTURBANCE WITHIN A WORK AREA SHALL BE INSTALLED PRIOR TO BEGINNING WORK WITHIN THAT WORK AREA. 2. THE CONTRACTOR SHALL SUBMIT TO THE ENGINEER AND OWNER A DETAILED CONSTRUCTION PROGRESS SCHEDULE. THESE PLANS AND SPECIFICATIONS PROVIDE GENERAL CONSTRUCTION SEQUENCE AND SAFETY PARAMETERS WHICH MUST BE INCORPORATED INTO THE APPROVED SCHEDULE. THE CONTRACTOR'S EROSION CONTROL PLAN SHALL BE INCORPORATED IN THE CONSTRUCTION SEQUENCE PLAN. 3. THE CONTRACTOR SHALL IMPLEMENT BEST MANAGEMENT PRACTICES IN ALL MATTERS OF CONTROLLING EROSION, AND COLLECTION OF SEDIMENT WITHIN THE PROJECT SITE. 4. ANY FINES, PENALTIES, OR OTHER COSTS ASSESSED BY STATE, LOCAL OR THE GOVERNMENTAL AGENCIES FOR NON-PERFORMANCE OF THE EROSION CONTROL REQUIREMENTS OF THIS PROJECT AGAINST THE AIRPORT AUTHORITY SHALL BECOME THE RESPONSIBILITY OF THE CONTRACTOR, AND ANY SUCH ASSESSMENTS, IF NOT PAID BY THE CONTRACTOR, WILL BE DEDUCTED FROM MONIES DUE AT THE COMPLETION OF THIS PROJECT. 5. THE ENGINEER MAY DIRECT THAT ADDITIONAL EROSION CONTROL MEASURES BE INSTALLED AT ANY TIME AND IN ANY LOCATION AS DEEMED NECESSARY. 6. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF - PRODUCING RAINFALL, BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED REPAIRS WILL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS DESIGNED. 7. SEDIMENT WILL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT REACHES 0.5 FEET DEEP. THE EROSION CONTROL BARRIER WILL BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. 8. THE DE -WATERING OF EROSION CONTROL MEASURES WITH SEDIMENT -LADEN WATER DIRECTLY TO STREAMS IS PROHIBITED. 9. TEMPORARY SEDIMENT TRAPS REQUIRED FOR THE EXCAVATION OF AN UPSTREAM DITCH SHALL BE INSTALLED AT THE ELEVATION REQUIRED FOR IT TO BE OPERATIONAL AFTER THE EXCAVATION OF THE DITCH. 10. ALL TEMPORARY SEDIMENT TRAPS SHALL PREVENT SEDIMENT FROM ENTERING ANY WETLANDS DURING CLEARING & GRUBBING OPERATIONS / EXCAVATION OPERATIONS. 11. ALL TEMPORARY DIVERSIONS SHALL HAVE POSITIVE DRAINAGE TO RESPECTIVE EROSION AND SEDIMENT CONTROL MEASURE (TYP.). 12. ALL TEMPORARY SEDIMENT TRAPS SHALL PREVENT SEDIMENT FROM LEAVING THE CONSTRUCTION SITE AND ENTERING JURISDICTIONAL WATERS DURING CLEARING AND GRUBBING OPERATIONS AND DURING EXCAVATIONS OPERATIONS. CONTRACTOR SHALL MAINTAIN ALL EXISTING AND PROPOSED EROSION CONTROL MEASURES WITHIN AIRPORT PROPERTY LIMITS FOR THE DURATION OF PROJECT AND UNTIL THE REMOVAL OF EROSION CONTROL MEASURES IS APPROVED BY THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES, DIVISION OF LAND RESOURCES, LAND QUALITY SECTION. THE CONSTRUCTION OF THE PROJECT MUST BE COMPLETED IN SEQUENTIAL ORDER AS LISTED BELOW: 1. CONTACT LAND QUALITY PRIOR TO START OF CONSTRUCTION. 2. INSTALL CONSTRUCTION ENTRANCE PADS. 3. INSTALL SILT FENCE AROUND PERIMETER OF THE SITE AS SHOWN ON THE PLANS. 4. INSTALL SEDIMENT BASINS, SEDIMENT TRAPS, AND DIVERSION DITCHES BEFORE BEGINNING, AS SHOWN ON PLANS. 5. BEGIN CLEARING AND GRUBBING OPERATIONS ON THE PROJECT SITE. 6. AS CONSTRUCTION OPERATIONS ALLOW, STRIP TOPSOIL AND STOCKPILE. 7. INSTALL DIVERSION DITCHES, AS NECESSARY, TO CONVEY RUNOFF TO EROSION CONTROL MEASURES. 8. BEGIN GRADING OPERATIONS. INSTALL EROSION CONTROL MEASURES, AS SHOWN ON THE PLANS, AS CONSTRUCTION PROCEEDS. 9. SLOPE DRAINS WITH BERMS SHALL BE INSTALLED CONCURRENTLY WITH GRADING OPERATIONS. SILT FENCE SHALL BE INSTALLED AROUND SLOPE AREAS PRIOR TO START OF GRADING OPERATIONS. 10. PLACE TOPSOIL FROM ONSITE STOCKPILE ON COMPLETED AREAS OF GRADING AS CONSTRUCTION PROCEEDS. 11. COVER ALL SLOPES 3:1 OR LESS WITH TYPE 1 TEMPORARY EROSION CONTROL MATTING (EXCELSIOR CURLEX CL 1, OR APPROVED EQUAL). COVER ALL SLOPES GREATER THAN 3:1 WITH TYPE 2 TEMPORARY EROSION CONTROL MATTING (REYCLEX TRM-V, 1 OR APPROVED EQUAL). 12. GROUNDCOVER SHALL BE ESTABLISHED ON ALL EXPOSED SLOPES WITHIN 7 CALENDAR DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. 13. PERMANENT GROUNDCOVER SHALL BE ESTABLISHED ON ALL DISTURBED AREAS WITHIN 14 CALENDAR DAYS FOLLOWING COMPLETION OF CONSTRUCTION. 14. ONCE PERMANENT VEGETATION HAS BEEN ESTABLISHED AND ACCEPTED BY THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES (NCDENR) THE CONTRACTOR SHALL REMOVE THE TEMPORARY EROSION CONTROL DEVICES, RE -GRADE, AND RESEED AS NECESSARY. ALL STAGING AREAS AND HAUL ROUTES SHALL BE RESEEDED. 15. CONTRACTOR SHALL RESTORE ALL TEMPORARY IMPACT AREAS WITHIN THE BUFFER AREAS AND STREAM TO PRE -CONSTRUCTION CONDITIONS PRIOR TO THE COMPLETION OF THE PROJECT. REVISIONS DATE I BY I DESCRIPTION SEEDING, MULCHING, AND TOPSOIL NOTES: 1. ALL SOIL STABILIZATION MEASURES SHALL MEET THE REQUIREMENTS OF ITEMS T-901, T-905, AND T-908 OF THE SPECIFICATIONS. GROUNDCOVER SHALL BE ESTABLISHED ON ALL EXPOSED SLOPES WITHIN 7 CALENDAR DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. PERMANENT GROUNDCOVER SHALL BE ESTABLISHED ON ALL DISTURBED AREAS WITHIN 14 WORKING DAYS FOLLOWING COMPLETION OF CONSTRUCTION. 2. PRIOR TO SOIL STABILIZATION, AREAS SHALL BE CLEARED OF STONES OR DEBRIS LARGER THAN 2 INCHES IN DIAMETER. 3. AREA TO BE SEEDED SHALL BE THOROUGHLY LOOSENED TO A DEPTH OF 5 INCHES. THE TOP 3 INCHES SHALL BE WORKED INTO A SATISFACTORY SEEDBED BY DISCING, OR BY USE OF CULTIPACKERS, ROLLERS, DRAGS, OR OTHER APPROPRIATE MEANS. 4. THE KINDS OF SEED AND THE RATES OF APPLICATION OF SEED SHALL BE AS STATED BELOW. ALL RATES ARE IN POUNDS PER ACRE. ALL AREAS EXCEPT STORMWATER MANAGEMENT PONDS: PERMANENT SEEDING 100# TALL FESCUE 10# KOBE LESPEDEZA 25# BAHIA GRASS 40# RYE GRAIN (JANUARY TO FEBRUARY APPLICATION) TEMPORARY SEEDING TEMPORARY SEEDING FOR THE PROJECT SHALL MEET ALL REQUIREMENTS PUBLISHED WITHIN THE CURRENT EDITION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL AND NATURAL RESOURCES, DIVISION OF LAND RESOURCES, LAND QUALITY SECTION'S EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL, TABLE 6.10A, TABLE 6.10B AND TABLE 6.10C FOUND ON PAGE 6.10.4, PAGE 6.10.5 AND PAGE 6.10.6. NOTE: WHERE NOTED ON PLANS, SERICEA LESPEDEZA SEED SHALL BE ADDED TO THE SPECIFIED SEED MIXTURE AT A RATE OF THIRTY (30) POUNDS PER ACRE. NO ADDITIONAL PAYMENT SHALL BE MADE FOR THE ADDITION OF SERICEA LESPEDEZA SEED. (MAY TO SEPTEMBER APPLICATION:) (OCTOBER TO APRIL APPLICATION:) 75# TALL FESCUE 120# TALL FESCUE 25# BERMUDA GRASS 15# BERMUDA GRASS 25# BAHIA GRASS 10# BLUE GRASS 10# HARD FESCUE THE KINDS OF GRASS, LEGUME, AND COVER -CROP SEED FURNISHED SHALL BE THOSE STIPULATED ABOVE. SEED SHALL CONFORM TO THE REQUIREMENTS OF FEDERAL SPECIFICATION JJJ-S-181. SEED SHALL BE FURNISHED SEPARATELY OR IN MIXTURES IN STANDARD CONTAINERS WITH THE SEED NAME, LOT NUMBER, NET WEIGHT, PERCENTAGES OF PURITY AND OF GERMINATION AND HARD SEED, AND PERCENTAGE OF MAXIMUM WEED SEED CONTENT CLEARLY MARKED FOR EACH KIND OF SEED. THE CONTRACTOR SHALL FURNISH THE ENGINEER DUPLICATE SIGNED COPIES OF A STATEMENT BY THE VENDOR CERTIFYING TESTING WITHIN SIX (6) MONTHS OF DATE OF DELIVERY. THIS STATEMENT SHALL INCLUDE: NAME AND ADDRESS OF LABORATORY, DATE OF TEST, LOT NUMBER FOR EACH KIND OF SEED, AND THE RESULTS OF TEST AS TO NAME, PERCENTAGES OF PURITY AND OF GERMINATION, AND PERCENTAGE OF WEED CONTENT FOR EACH KIND OF SEED. 5. GROUND LIMESTONE SHALL BE APPLIED PRIOR TO APPLICATION OF FERTILIZER OR SEED AND SHALL BE WORKED INTO TOP 3 INCHES OF SOIL. 6. FERTILIZER SHALL BE SPREAD UNIFORMLY OVER ALL AREAS TO BE SEEDED AFTER LIMING IS COMPLETE. 7. GRASS SEED SHALL BE APPLIED AT THE RATE INDICATED ABOVE AND IN THE SPECIFICATIONS, PROPERLY COVERED, AND COMPACTED WITH AN APPROVED LAWN ROLLER. 8. MULCH SHALL BE APPLIED IMMEDIATELY AFTER SEEDING. MULCH MUST MEET THE REQUIREMENTS OF ITEM T-908, 9. STRAW MULCH SHALL BE SPREAD TO A UNIFORM THICKNESS AT THE RATE OF 2 - 3 TONS PER ACRE TO PROVIDE A LOOSE DEPTH OF NOT LESS THAN 1-1/2 INCHES NOR MORE THAN 3 INCHES. 10. MULCH SHALL BE HELD IN PLACE BY LIGHT DISCING, PINS, STAKES, WIRE MESH, OR ASPHALT BINDER. 11. IF ASPHALT SPRAY METHOD IS USED, MULCHED SURFACES SHALL BE SPRAYED UNIFORMLY AT A RATE OF APPROXIMATELY 8.0 GALLONS PER 1,000 SQUARE FEET. 12. IF ASPHALT MIX METHOD IS USED, THE MULCH SHALL BE APPLIED BY BLOWING AND THE ASPHALT BINDER MATERIAL SHALL BE SPRAYED INTO THE MULCH AS IT LEAVES THE BLOWER. BINDER SHALL BE UNIFORMLY APPLIED TO THE MULCH AT THE RATE OF APPROXIMATELY 8.0 GALLONS PER 1,000 SQUARE FEET. 13. CONTRACTOR SHALL PROTECT SEEDED AND MULCHED AREAS AGAINST TRAFFIC. SURFACES GULLIED OR DAMAGED SHALL BE REPAIRED, RESEEDED, AND REMULCHED. CONTRACTOR SHALL MOW, WATER , AND OTHERWISE MAINTAIN SEEDED AREAS IN A SATISFACTORY CONDITION UNTIL FINAL INSPECTION AND ACCEPTANCE OF THE WORK. AIr1TCC- STABILIZATION TIMEFRAMES/REQUIREMENTS Site Area Description Stabilization Timeframe Exceptions Perimeter dikes, swales, ditches and slopes 7 days None High Quality Water (HQW) Zones 7 days None Slopes steeper than 3:1 7 days If slopes are 10' or less in length 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 flatter than 4:1 14 days None, except for perimeters and HQW Zones. 50' MIN. BUT SUFFICIENT TO KEEP SEDIMENT ON 161tr^�rr^�rrA�rrA�rrA�� 01 A Al C) TO BE INSTALLED IN ACCORDANCE w/ MANUFACTURERS SPECIFICATIONS AIf1TCC 1. TYPE 1 MATTING SHALL BE AMERICAN EXCELSIOR (CURLEX CL 1 OR APPROVED EQUAL). ALLOWABLE SHEAR STRESS = 1.55 LB/FT 2 2. FOR TYPE 2 MATTING, SHEAR STRESS > 4.0 LB/FT.2 3. TYPE 2 MATTING SHALL BE AMERICAN EXCELSIOR, RECYCLEX TRM-V, OR APPROVED EQUAL. MATTING FOR EROSION CONTROL N.T.S. 11 8'-0" MAX. POST SPACING J III I I I L I I V I I L I L IN I /- IN I V ELEVATION VIEW STEEL POSTS /----WOVEN WIRE FENCE SYNTHETIC FILTER FABRIC o18" -24" EXIST. GROUND LINE N 4 COMPACTED SOIL OR GRAVEL SECTION VIEW A1nTGC- 1. WOODEN POSTS SHALL NOT BE USED FOR SILT FENCE INSTALLATION. POSTS SHALL BE 1.33 LB/LIN. FT. STEEL WITH A MINIMUM LENGTH OF 5 FEET. 2. INSTALL SILT FENCE WHERE SHOWN ON THE PLANS AND MAINTAIN UNTIL DISTURBED AREA IS COMPLETELY STABILIZED. TEMPORARY SILT FENCE 2 N.T.S. EC1 1. PUT SILT FENCE OR TREE PROTECTION FENCE UP TO ENSURE THE CONSTRUCTION ENTRANCE IS USED. 2. IF CONSTRUCTION ON THE SITE ARE SUCH THAT THE MUD IS NOT REMOVED BY THE VEHICLE TRAVELING OVER THE STONE, THEN THE TIRES OF THE VEHICLES MUST BE WASHED BEFORE ENTERING THE PUBLIC ROAD. 3. IF A PROJECT CONTINUES TO PULL MUD AND DEBRIS ON TO THE PUBLIC ROAD, THE CONTRACTOR SHALL CLEAN THE AREA. 25' OR WIDTH OF PROPOSED STREET, WHICHEVER IS GREATER. 6"MII T EXISTING ROADWAY 35' MIN. 15' MIN. 1 �- I /'1U1\IV UIVL/LI\ -)I\JIVL CROSS SECTION TEMPORARY CONSTRUCTION ENTRANCE PAD - N. T. S. AD N.T.S. ►1111=1111 496fpT/ PI-DMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PRELIMINARY PLANS 110 NOT iJSI' TOIL CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker I N T E R N AT 10 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC1 OF EC4 0 9�Z Q W (n J 2 J < 0- < Z O I- O � ; 0 J 0 Z w W I - Z cn O U Q C/) Z W 0 20 � Z 0� W W00 2Z D W PRELIMINARY PLANS 110 NOT iJSI' TOIL CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael Baker I N T E R N AT 10 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC1 OF EC4 w w Q �z fA {f} Q J www W -Jr-) (n Q O O C) L CONCRETE ANTI—SEEP `CONCRETE ANTI—SEEP COLLAR / COLLAR TOP OF DAM 18" TYP.. 8 EMERGENCY SPILLWAY RISER RIM 18" MIN. a, BARREL 10' SPILLWAY BARREL 12" /- - - - ANTI -SEEP COLLAR INSTALLATION NOTES: — — — — — 3AFTER FILL HAS BEEN PLACED A 2 1 MIN. 18" OVER BARREL, CONTRACTOR ATTACH SKIMMER RISER 1 // CLAY CORE (CH, MATERIAL) TO EXCAVATE ANTI—SEEP COLLAR TO TO ORIFICE AT /\MIN. DIMENSIONS SHOWN AND BOTTOM OF RISER / F BARRELRREL ANTI—SEEP BACKFILL WITH P-610 CONCRETE. COLLARS s,a .: 2' MIN. li=m=p 00dO 18" CLASS B FOOTING RIP RAP KEY IN CUT—OFF TRENCH * CUT TRENCH TO STABLE SOIL MATERIAL, BUT IN NO CASE MAKE IT LESS THAN 2' DEEP N()TF- EXACT ELEVATIONS TO BE FIELD VERIFIED AND ADJUSTED PRIOR TO ACTUAL CONSTRUCTION OF SEDIMENT BASIN. SEDIMENT/DRY DETENTION BASIN 1111111I I.D. BASIN BARREL BARREL WIDTH DEPTH WEIR LENGTH TOP OF EMERGENCY 16,765 RISER SEDIMENT I.D. BOTTOM INV. IN INV.OUT BARREL BARREL ORIFICE DAM SPILLWAY RISER RIM CLEANOUT 10' DIA. LENGTH DIA. w o DIA. 8' TS5 12,861 ELEV. ELEV. ELEV. 10' TS6 ELEV. ELEV. �~ ELEV. ELEV. S1 890.00 885.00 882.89 48" 50' 3.6" 895.50 894.00 36" 893.00 891.00 N1 882.00 877.00 870.76 48" 155' 3.6" 886.00 884.00 36" 883.00 883.00 15,606 0 8' TS11 7,530 9,922 10' N()TF- EXACT ELEVATIONS TO BE FIELD VERIFIED AND ADJUSTED PRIOR TO ACTUAL CONSTRUCTION OF SEDIMENT BASIN. SEDIMENT/DRY DETENTION BASIN 1111111I I.D. REQ'D STORAGE (C.f.) REQ'D SURFACE AREA (s.f.) LENGTH WIDTH DEPTH WEIR LENGTH TS1 14,445 16,765 See Plan See Plan See Plan 10' TS2 10,080 9,152 AND SURFACE AREA ARE MEASURED FROM THE WEIR ELEVATION. 12' TS3 9,000 5,460 10' TS4 8,032 4,123 w o 8' TS5 12,861 9,443 0 10' TS6 19,551 14,879 �~ Z 14' TS7 19,837 14,998 I- U aw 14' TS8 2,700 7,041 O 10' TS9 540 4,483 z � 8' TS10 4,788 15,606 0 8' TS11 7,530 9,922 10' TS12 4,348 6,445 8' TS13 12,749 19,139 16' NOTFS- "C" ENCLOSURE WATER ENTRY UNIT PERSPECTIVE VIEW OF SKIMMER =MBLY POROUS BAFFLES 3 EACH NOTE: INSTALL BAFFLES IN SAME MANNER AS SILT FENCE. REPLACE SILT FENCE FABRIC WITH 700 g/ sq m COIR EROSION BLANKET. BAFFLES SHALL EXTEND UP THE ENTIRE SIDES OF THE BASIN. FLOW COMPACTED SOIL 4 BAFFLES 3 N.T.S. EC -2 2' MIN. 0.15 L NOTES: 1. TEMPORARY SILT DIVERSION DITCH WILL NOT BE MEASURED. COST WILL BE INCIDENTAL TO OTHER ITEMS. 2. TEMPORARY GROUND COVER MUST BE ESTABLISHED IN ALL DIVERSION DITCHES. TEMPORARY SILT DIVERSION DITCH N.T.S. 1. MAINTAIN EXISTING TEMPORARY SEDIMENT TRAPS. 2. STORAGE CAPACITY SHALL BE 3,600 FT3 / ACRE OF DISTURBED AREA. 3. STONE SIZE SHALL BE CLASS 'B' WITH A ONE FOOT (1 FT.) LAYER OF NCDOT # 57 4. PLACE FILTER FABRIC BELOW RIP RAP. 5. REMOVE SEDIMENT TRAPS AS DIRECTED BY THE ENGINEER, 6. REMOVE SEDIMENT WHEN VOLUME IS ONE—HALF OF REQUIRED STORAGE VOLUME 7. REQUIRED STORAGE CAPACITY AND SURFACE AREA ARE MEASURED FROM THE WEIR ELEVATION. J z REVISIONS DATE I BY I DESCRIPTION SIDE VIEW SKIMMER SEDIMENT BASIN N.T.S. PVC END CAP PVC PVC ELBOW VC END CAP 'IPE OLES IN RSIDE END VIEW OF SKIMMER OUTLET 4A(PTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PIIELIMINARY P1,j1NS DO NOT IJSE FOR CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael • . IN T E R N A T1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC2 OF EC4 0 �Z Q W J � J z o Q 0 w o wZ J C) 0 W W � �~ Z Z cn p 0 I- U aw O � z � pp w 2z 0 LU PIIELIMINARY P1,j1NS DO NOT IJSE FOR CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael • . IN T E R N A T1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC2 OF EC4 LU w Q -E4 ;7 fA {-f} Q J Q:� W W W W I— Jr-') (n Q O �C)LL:2 DEWATERING CONCRETE BLOCK —oo 0°Ooo o 00 om o 0 00 0000 00 0000 / I g° oo°oo°o 0 `� 00 00000 0 000 °o ° ----------- 00 000° g $°�'00000'o °o.6 % —� o� °� o ooOOp °Oo°o°o°�o o°oo°o gog 000°o°p0°o°000 OOOa °oo 0 oo°oo oa 0 0 000 0 000 0 0 0 0 0 0. 0 00080 oo°OOOo°poo o4>q'°o �- - 0 00°000 00°0 00 0°°000p0 0. 000 00 80 0 °oo 0,000 00 0 00°0 0 —� '80°0000 00000000 omo 0 o ®0000 00 00 00 0 000000 oo0°omo0000 0 o 00° — 2.1 SLOPE WASHED STONE FILTER TEMPORARY WIRE SEDIMENT POOL SCREEN r PROVIDE ONE DEWATERING 7 I BLOCK PER SIDE ° 1, MIN .° °°° 16" ° _ .■ 2' MAX. o°°o� ° oo°�°� =1 I —III1 I 1=III— DROP INLET SEDIMENT W/ GRATE NOTE: COST OF INLET PROTECTION SHALL BE INCLUDED IN THE COST OF STRUCTURE, BLOCK AND GRAVEL PROTECTION N.T.S. REVISIONS DATE I BY I DESCRIPTION A CI nDC 1 1 /7. 1 nO CI ATTCD PI AN SECTION A -A 1 -R FABRIC H= RIP RAP TO TOP OF PIPE (MAX. H = D + T) T= 20" CLASS I RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS T= 12" CLASS `B' RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS OUTLET WITH DITCH D CLASS I RIP RAP TONS FILTER FABRIC S. Y. TONS FILTER FA )ERIC 15" 7 3 7 18" 9 4 10 24" 15 7 15 30" 21 11 22 36" 29 15 30 42" 39 20 1 39 148"1 49 26 150 Z~ 154"1 60 33 162 (n PIPE OUTLET PROTECTION w/ DITCH N.T.S. 12" No. 57 WASHED STO"'r (TYP) 12" No. 57 WASHED STONE (TYP) 1.5' MIN. SECTION A -A TEMPORARY RIP RAP CHECK DAM � 4 � N.T.S. X Q L) W A- ('111 \/F -F - RIP RAP FILTER F/ALJN11, FA NOTF.R- SECTION A -A T= 20" CLASS I RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS T= 12" CLASS `B' RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS 1. SEE GRADING PLANS FOR RIP RAP APRON DIMENSIONS. 2. COMPACT ANY FILL USED IN CONSTRUCTION OF APRON. 3. RIP RAP APRON SHALL BE LEVEL WITH RECEIVING STREAM OR SLIGHTLY BELOW. OUTLET WITHOUT DITCH D CLASS I RIP RAP S. Y. TONS FILTER FABRIC 15" 3 2 6 18" 4 2 8 24" 7 4 12 30" 11 7 17 36" 16 10 23 42" 22 13 30 48" 28 17 38 54" 36 21 47 PIPE OUTLET PROTECTION WITHOUT DITCH N.T.S. �-- CLASS 'B' EROSION CONTROL STONE 24" MAX. �.� AT CENTER FILTER FABRIC S 'B' EROSION ROL STONE 49d(PT/ PIEDMONT TRIAD AIRPORT AUTHOR PTY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PIIELIMINARY P1,j1NS DO NOT IJSE FOR CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Baker,Michael IN T E R N A T1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC3 OF EC4 0 �Z Q W U) J J � ZO ~ W O J D Q W O ww z Z~ O (n V 0 � Z QW O ry= 0U) ry z0� w 00 2z 0 LU 0. PIIELIMINARY P1,j1NS DO NOT IJSE FOR CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Baker,Michael IN T E R N A T1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC3 OF EC4 w w Q t� z fA {f} Q J Q:� W W W W -Jr-) (n Q O O C) L A FLOW / / I I J i 12" No. 57 WASHED STONE CLASS B RIP RAP A FLOW \,-36" PIPE MAX REVISIONS DATE I BY I DESCRIPTION SECTION A -A ROCK PIPE INLET PROTECTION N.T.S. 1_ 4 _1 nivE_1DC1r)N1 F')11/E_ NOTES: 1. USE DIVERSION DITCHES TO CONVEY SEDIMENT -LADEN RUNOFF TO INLET, SEE DETAIL 3, THIS SHEET. 2. ENTRANCE TO BE CONSTRUCTED OF A STANDARD FLARED -END SECTION WITH A MIN. 6" METAL TOE PLATE. ALL FITTINGS MUST BE WATERTIGHT. A STANDARD T -SECTION FITTING MAY ALSO BE USED AT THE INLET. 3. SOIL TO BE HAND -COMPACTED AROUND AND UNDER THE PIPE IN 6" LIFTS TO ACHIEVE FIRM CONTACT BETWEEN THE PIPE AND THE SOIL. 4. REMOVE SLOPE DRAINS AND DIVERSION DITCHES UPON THE COMPLETION OF THE PROJECT, AS DIRECTED BY THE ENGINEER. No. 57 CT/INIC I` 17"� CLASS B EROSION CONTROL TOP OF DIVERSION NATURAL GROUND o z DIVERSION CHANNEL TEMPORARY SLOPE DRAIN N.T.S. 4' MIN. SECTION VIEW OF INLET 2 EC -4 NOTES: 1. A MINIMUM 1 -FOOT WIDE LEVEL AREA SET 4 INCHES BELOW THE DROP INLET CREST WILL ADD PROTECTION AGAINST THE ENTRANCE OF MATERIAL. 2. WIRE MESH WITH 2 -INCH OPENINGS MAY BE PLACED OVER THE DRAIN GRATING BUT MUST BE INSPECTED FREQUENTLY TO AVOID BLOCKAGE BY TRASH. 3. IT IS IMPORTANT THAT ALL SORMWATER FLOW OVER THE STRUCTURE INTO THE STORM DRAIN, AND NOT PAST THE STRUCTURE. INLET #57 OR #5 STONE CLASS B EROSION CONTROL STONE #57 OR #5 STONE ROCK DOUGHNUT INLET PROTECTION N.T.S. TOP OF HAND -COMPACTED FILL (ISLAND) Lnz o:5 4964PT/ PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PIIELIMINARY P1,j1NS DO NOT IJSE FOR CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael • . IN T E R N A T1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC4 OF EC4 ry 0 In �Z Q W (n J � J z � O; � zw O D w LLJ Z � Z cn O U Q� Z W 0 ry �: � 2 O Z� � 00 W 2Z D W PIIELIMINARY P1,j1NS DO NOT IJSE FOR CONSTRIJCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. Michael • . IN T E R N A T1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET EC4 OF EC4 w w Q �z Efl {-f} Q J www W I- JO nQ O OOIL� � � z� A 0 � 0 z� 890 °� o o� 0 0 �•'• 00000000 Air 0 0 0 z� ____--- - 0 0 � zn� 0 zA g80 ; X00000 0 000 ' 00000000 ' 0 z� IL 0 ln� � IL 000g.�-�-moo - __880_ o �v ��oA0000 ,. - ----- 0 3 0 ZA SEE NOTE 1 DO ———— DOL'0� -'D000lzn;o0 0�0 A000.A•� -0000'��0A C) � Z DZ QZL -0 � _L - 0 0 Z�v 00 ZASn� `♦ 860 -- �0 • 6, �- 00000 0 "z z� 0 � A z. 00 00 � C1 �"'"/DDDR � — \ Ile• -ca O \ O SEE NOTE 1 00 RESTORATION NOTES: 1. REMOVE EXISTING SEDIMENT CONTROL MEASURES AS DIRECTED. BACKFILL AREA TO MATCH PRE -CONSTRUCTION GRADES. 2. APPLY TEMPORARY SEEDING IN RIPARIAN BUFFER IN ACCORDANCE WITH TEMPORARY SEEDING TABLE, THIS SHEET. 3. SCARIFY, APPLY TEMPORARY SEEDING AND PLACE TURF REINFORCEMENT MATTING ON THE STREAM BANKS PER DETAIL 2, SHEET BR2. 4. INSTALL LIVE STAKES ALONG STREAM BANKS PER SPECIFICATIONS ON THIS SHEET AND DETAIL 1, SHEET BR2. REMOVE EQUIPMENT, APPURTENANCES, CONSTRUCTION DEBRIS AND TRASH FROM THE PROJECT AREA. 5 APPLY PERMANENT SEEDING AND/OR PLANTINGS AS DIRECTED IN THE IN REMAINING DISTURBED AREAS WITHIN THE PROJECT AREA IN ACCORDANCE PERMANENT SEEDING TABLE ON THIS SHEET AND ALL OTHER APPLICABLE DETAILS/SPECIFICATIONS. SEEDING TABLE Temporary Seeding: LEGEND STREAMBANK STABILIZATION SEE PLANTING SCHEDULE (THIS SHEET) 0 RIPARIAN BUFFER RESTORATION SEE PLANTING SCHEDULE (THIS SHEET) BUFFER RESTORATION PLAN 30 15 0 30 SCALE IN FEET The seedbed shall be properly prepared and amended with Agricultural lime (2000-3000 Ib/acre) and 10-10-10 fertilizer (700-10130 lb acre) prior to seeding, in accordance with the North Carolina Erosion and Sediment Control, Planning and Design Manual. Temporary seeding shall be required for denuded areas that will not be brought to final grade or worked within 30 days or in areas where surface stabilization is needed due to construction activities. Floodplain wetlands shall not receive temporary seeding. Winter Seeding Rate Seeding Dates Winter Rye 130 Ib/acre August 15 - December 1 Summer Seeding Rate (lb/scre) Seeding Dates Browntop Millet 45 April 15 - August 15 German Millet 45 April 15 - August 15 After seeding, apply 200 Iblacre of paper mulch or equivalent suitable mulch. Anchor by tacking with netting or by crimpling with a mulch anchor tool. A disk with the blade set nearly vertical can be used as a mulching tool. Permanent Seeding: The seedbed shall be properly prepared and amended with Agricultural lime (4000 Iblacre) and 10-10-10 fertilizer (1200 Ib acre) prior to seeding, in accordance with the North Carolina Erosion and Sediment Control, Planning and Design Manual. Permanent seeding shall be completed within 30 days of final construction activities. Wetland buffers and floodplain wetlands shall not receive permanent seeding. Seeding Rate (Ib/acre) Seeding Dates Browntop Millet 45 April 1 - July 15 German Millet. 45 April 1 - July 15 After seeding, apply 300 Ib/acre of paper mulch or equivalent suitable mulch. Anchor by tacking with netting or by crimpling with a mulch anchor tool. A disk with the blade set nearly vertical can be used as a mulching tool. Maintenance: Damaged, bare or denuded areas will be reseeded and fertilized as needed. If growth is less than adequate, the seeded area will be top dressed with an appropriate amount of fertilizer dependent on soil chemistry in accordance with standard industry practices. REVISIONS DATE I BY I DESCRIPTION Pl'aIlling Palette for Zoite 1: Stxe2lnib Ill•: Stabilization Bcx elder PLANTING WETLAND C STRATA C0NMI ON NAME DENSITY INDICATOR FORMS SHRUBS C Cepnalanthus occidentalis Button bush 43,560 stenlsiacre; OBL Live Stake Co rnus amomum Silki, dogwood 1 stem square fact F AC-,r"F4— Live Stake calix njgrca B I ack willow OUL Live Stake Approximately equal numbers of at least two species selected from the above list should be planted in the forth noted (Live Stake) to reach the required density of 43,560 stems/acre or 1 stein/square foot PeisirWfL0-21 See planting detail number 3 for live stare planting methods. C .t. - Wetlmid in (li cat or attts accor(ling to USFWS (1988). Gre erg. ash STEPS IN BAR PLANTING Plantirn—a Palette for Zone -,_ Rio avian Buffer Restoration IFI�liS T1STA i�ltitC�� 4cv- r negundo Bcx elder 4-1- 1 tem iacm FACT C Betula nigra Fir birch FACW C i arpi nus ca7o ni ana Ironwood FAC C Cercis canadensas Redbud FA.CU C Lfo,spyros virgin2ana PeisirWfL0-21 FAC C Fy12 nits Pg w2sy j1.Q nif'a Gre erg. ash FACW C ssa syivvatf'ca Blas k Burn FAC C la tanus occidentalis Sycamore FACW- C" C-� ercus pianos Willow oak FACS'- C Al_Vio Aireately equal nuyri)ers of at least Baur spr c ie s selected firm the aogre list sltaulld be planted its the frim noted(Container) to reac hthe reg4red den nity of 430 stetroractl:-. Q , epi,,a ane. 2us oc c adgntairas Butts jai taus h 215 sternsfacre CjE.L C Comms QMomum S ilky dogmod FACW+ C ltea virginica vir wk willow F C„'+ Safra x nigra Blac k willow OBL, C Yalix sericea Silky willow ORL C ,S` mbucus canaria ns? s Elde tbeny FACW- C ,7ymphoricarpw orbiculatus Coral berry FAC- C T11b urnum den ta€um Aixow-vm od FAC C Approximatelyequal numbers of at least three species selected from the above list should be plarded iiithe form noted (Container) to rear h the req uired de rtsity of 215 stemsfacre. aw zo See planting detail nuniber ore for containeri d tree /shrub planting mietho ds. Wetland indicator status accv rding to US F IS (199 2) - C = Container PLANTING SCHEDULE STEPS IN HOEDAD PLANTING M GENERAL NOTES: GENERAL NOTES: 1. INSERT BAR AS SHOWN, AND PUSH HANDLE FORWARD. 1. SWING HOEDAD FROM OVERHEAD DOWNWARD, SINKING THE BLADE ITS FULL 2. REMOVE THE BAR, AND PLACE SEEDLING; AT CORRECT DEPTH. LENGTH VERTICALLY INTO SOIL (MINIMUM DEPTH OF SLOT IS g INCHES). 3. INSERT BAR 3 TO 4 INCHES FROM SEEDLING (TOWARD YOU), AND PULL HANDLE TO 2. PULL THE BLADE UPWARD SLIGHTLY BY LIFTING THE END OF HANDLE. CLOSE BOTTOM OF HOLE. 3. PUSH THE HANDLE DOWNWARD WHILE PULLING BACK TO OPEN HOLE. 4. PUSH HANDLE FORWARD TO CLOSE TOP OF HOLE. 4. WITH THE BLADE IN CAVITY TO HOLD BACK LOOSE SOIL, CAREFULLY PLACE 5. REMOVE BAR, AND CAREFULLY CLOSE THE OPENING WITH YOUR HEEL TO AVOID ,SEEDLING IN HOLE, MAKING SURE ROOTS ARE FULLY EXTENDING. THEN REMOVE THE INJURING THE SEEDLING. BLADE. 6. THIS TECHNIQUE WILL NOT BE USED FOR CONTAINERIZED TREES. 5. CLOSE THE HOLE BY INSERTING HOEDAD BESIDE THE SEEDLING, THEN LIFTING UP AND PUSHING DOWN ON THE HANDLE TO TIGHTEN SOIL. THEN PUSH SOIL TOWARD 7. DEPTH OF HOLE MUST BE DEEP ENOUGH TO ACCOMMODATE ENTIRE TAP ROOT. SEEDLING. BE SURE PLANTING SLOT IS CLOSED COMPLETLY. 8. AVOID ROOT -PRUNING. 6. A MINIMUM OF FOUR (4) SPECIES OF BARE ROOT TREE, SEEDLINGS SHALL BE 9. AVOID J -ROOTING (SEE 6 ABOVE). SELECTED AND INSTALLED. 14. NO SEEDINGS SHOULD RE PLANTED WITHIN THE SEWER LINE RIGHT-OF-WAY. 7. SEE "APPROVED BARE ROOT SPECIES” LIST (BELOW) FOR ALTERNATIVES.. 8. THIS TECHNIQUE WILL NOT BE USED FOR CONTAINERIZED TREES. BARE ROOT SEEDLING PLANTING DETAIL (APPROVED METHODS) N.T.S. 49OPTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com PRELIMINARY PIANS U[1 NOT [151: FOR CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. BakerMichael I N T E R N AT 1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET BR1 OF BR2 0 O� Z Qw Q� z Q J Z 0 > O aw zo � Q w w � 1.- O Z cnLLJ � aw � �= w LL Z 0� Z) 00 2 z 0 LL] PRELIMINARY PIANS U[1 NOT [151: FOR CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. BakerMichael I N T E R N AT 1 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET BR1 OF BR2 w w Q �z 64fAQJ 0�WWLJ W F-- J C) V)< --O �C)LL:2 NO. I DATE I BY ZD J J D� C-4 I— 1" max. dia. GENERAL NOTES: At least 2 nodes (6"+) of live stake above ground surface nd Surface covered rf reinforcement matting (TRM) At least 2 nodes of live stake below ground surface 1. AFTER INSTALLATION OF TURF REINFORCEMENT MATTING, LIVE STAKES SHALL BE INSTALLED ON THE STREAMBANKS. 2. EACH LIVE STAKE SHALL BE 24"-36" TALL WITH A DIAMETER OF 112-1" MAXIMUM AND AT LEAST 4 NODES (BUDS). AT LEAST 2 NODES (Bw) OF THE LIVE STAKE SHALL BE ABOVE GROUND SURFACE AND AT LEAST 2 NODES (12"+) SHALL BE BURIED BENEATH THE GROUND SURFACE. INSTALL LIVE STAKE TO BELOW -GROUND DEPTH OF 12"-1$", THEN PRUNE ABOVE -GROUND PORTION OF LIVE STAKE ABOVE SECOND NODE. 3. LIVE STAKES SHALL BE INSTALLED AT A SPACING OF 1' ON CENTER (O.C.), FROM TOE OF STREAM BANK TO A PERPENDICULAR DISTANCE OF & FROM TOE OF EACH STREAM BANK. 4. LIVE STAKES SHALL BE INSTALLED IN 100% COCONUT FIBER LOGS AND THROUGH TURF REINFORCEMENT MATTING, (TRM). 5. LIVE STAKE CUTTINGS SHALL BE COLLECTED WITHIN 30 MILES OF PROJECT SITE. REVISIONS DESCRIPTION LIVE STAKING DETAIL NOT TO SCALE fer.Illzir and seed. Jse Lirf relfi"circernenI mattlnl C125 from Noirin Amerlca.n Az�� Green ocr equlvalen-, 2. Beglr at the trop c'[>-Pa-;;narmel by anct--odr4 tl-e bla-iket In a 6' deep x 6" w1de french wlth approxlma-el 1 . of filar xet extender, beyanc:.he ! p-SlCpe :)nrllon of the trenew), Ary hor t c, I;in<et w Ith a rnw of ;-anj .�,�=;�snakes'.:K .,.1` +sl, "a�- : I 1 ' �e_• �f�r...•.l .-K�is ....GFTapori.. l .al�� 2 apa t�ro� t#`I� b _ . _ m of ,1 �,. trs.. � , Ba �. 1ar � c.�. .act Rhr.. trarn� of -lir slapling, Apply see-! I� compacted sell end fold r�emalnIr 12" .)nrilon of blankat back over F,r . ..roc colm:aec:ted &oll, Secu-e bla°lkel O'Ver t niva ec selI vAlh a rewolstapks.stakesspaoed approxi—ately ' 2' aLar, across the width lof the blanket, :. 1 ull lent ed e a• 0I nket$ rust be an s# ores *111, a row of staplestales ap�rcxlma 1 apart n a 6' Idmp x 6' w� do wrench. BackIll and compact tne tren#- afar s pling. Adjacent Alan,: w r � h; Ped appruxlrnalelF 5" and stapled. To Bnau •B roper se: � ll ......I :lace ,e acge fa- th$ overlap ng blanket hla nket ging I -,I,- IIBr� off , , 10011h the coloree seam stitch rlf rjslnq rag 12'5) on the Mari KKt being r. 1. 1 , 5, The term) nal erd of -he olaI :Ms : _ .est be anchorec' with s now cyf st;5ple t-,t1;gkO, apprcrssllrratel�, :., epad In a " deeo x 6" w1de Vench, Ba4*1111;)nd compay. the trench a`tler slapll. g TURF REINFORCEMENT DETAIL NOT TO SCALE Water Re Finished Grade "y --y remove leader GENERAL NOTES: Tree or Shrub shall be installed so the 11$ of the root ball will be above grade. PU %,..,,,aacted Backfin 1. CONTAINERIZED TREES AND SHRUBS SHALL BE 1 GALLON OR 3 GALLON SIZE. 2. CONTAINERIZED TREES AND SHRUBS SHALL BE PURCHASED FROM A NURSERY WITH STOCK THAT ORIGINATED WITHIN 100 MILES OF PROJECT SITE. 3. CONTAINERIZED TREES AND SHRUBS SHALL BE INSTALLED VERTICALLY. 4. A MINIMUM OF FOUR(4) SPECIES OF CONTAINERIZED TREES AND THREE 3 SPECIES OF CONTAINERIZED SHRUBS SHALL BE SELECTED AND INSTALLED SEE "APPROVED CONTAINERIZED SPECIES" LIST FOR ALTERNATIVES. 5. OVEREXCAVATE PLANTING HOLES BY 1/3 TOTAL DEPTH AND BACKFILL. CONTAINERIZED TREE OR SHRUB PLANTING DETAIL NOT TO SCALE �AAWPTI PIEDMONT TRIAD AIRPORT AUTHORITY PIEDMONT TRIAD AIRPORT AUTHORITY 1000A Ted Johnson Parkway Greensboro, NC 27409 OFC: (336) 665-5600 FAX: (336) 665-5694 www.flyfrompti.com 0 0�Z U) aw J Q� < z o '-U 0J O � w Z O zp � W w UJ � Z Cn � 0 C/) W aw � �= w 1wwwwwww 1w- UL z0� LJL 00 D 2 z 0 UJ PREILIMINARY = PIANS - DO NOT USE FOR CONSTRUCTION DCT DCT DESIGNED DRAWN SB CHECKED S.O. BakerMichael I N T E R N ATI 0 N A L www.mbakerintl.com MICHAEL BAKER ENGINEERING, INC 200 Centreport Drive Suite 350 Greensboro, NC 27409 OFC: (336)931-1500 FAX: (336)931-1501 DATE: DECEMBER 2015 SCALE: AS SHOWN SHEET BR2 OF BR2