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Home My WebLink AboutSW6240702_Plansheet - Grading/Drainage Plan_20240924 .......... GRADING & DRAINAGE NOTES 1. REFER TO GENERAL NOTES ON SHEET C-1 00. IN TECHNICAL ENGINEER. 3. T COMPACTED HE PROPOSED CONOURS AN ACCORDANCE RECOMMENDATIONS D SPOT E I LEVAT ONS SHOWN N ROADWAY O S,DRIVES, O ES,A I AND S DWALKS ARE FINISHED ELEVATIONS.REFER TO PAVEMENT CROSS SECTION DATA TO ESTABLISH CORRECT SUBBASE OR �� AGGREGATE BASE COURSE ELEVATIONS.THE PAVEMENT GRADING FOR LOT 1 IS DESIGNED WITH ADEQUATE '"-- SLOPE IN ORDER TO PROV DE POSITIVE DRAINAGE THE INTERFACE BETWEEN THE PAVEMENT AND THE OUTER / _- �.e......... FACE OF THE BUILDING MUST BE ACCOUNTED FOR IN THE ARCHITECTURAL DRAWINGS,AS THE PAVEMENT IS SLOPING BUT THE PAD FOR THE FINISHED FLOOR IS LEVEL.THE ARCHITECT SHALL OUTLINE HOW THIS TRANSITION y...:. . :. :. :.. / y.�.............. .. ... ....:.... IS MADE AND SHALL ENSURE PROPER FUNCTIONAL INGRESS EGRESS TO EACH UNIT. 0 4. ALL ELEVATIONS ARE IN REFERENCE TO JOYNER PIEDMONT SURVEYING.SURVEY DATA FROM SURVEY DATED REFER HIGHWAY IGHWAY 27 SELF STORAGE 2018.10.01. z9 :-.-..... ROAD WIDENING PLANS, SHEET RW-201 5. ALL STORM DRAINAGE PIPE SHALL BE CLASS III RCP,UNLESSS OTHERWISE NOTED. 5 _ / -' / 0' \ 7i r 9 FOR STORMWATER DESIGN IN THIS AREA 6. ALL FILL SHALL BE COMPACTED IN ACCORDANCE WITH RECOMMENDATIONS OF GEOTECHNICAL ENGINEER. .. 7. ALL DROP INLET GRATES SHALL BE STAMPED WITH"DRAINS TO RIVER"IN 3/4"HIGH LETTERING. I 8. THE TREE PROTECTION FENCE SHALL BE MAINTAINED ON THE SITE UNTIL ALL SITE WORK IS COMPLETED AND THE ,- � ..... FINAL SITE INSPECTION IS SCHEDULED PRIOR TO THE ISSUANCE OF A CERTIFICATE OF OCCUPANCY(CO). THE ---- 7- I :yf FENCING SHALL BE REMOVED IMMEDIATELY PRIOR TO THE FINAL SITE INSPECTION FOR THE SITE. '''' 196.8 X 197 E 9. THE PROJECT REQUIREMENTS RELATIVE TO BEST MANAGEMENT PRACTICES AND ENGINEERED STORMWATER p U t O P � 1 7 � ', `•� CONTROL STRUCTURES AS OUTLINED IN THE NCDEQ BMP MANUAL ARE MET IN THE TWO (2) ON-SITE 196.5 OP 8 1 Op ` INFILTRATION BASINS. / 0 0 10. ALL STORM STRUCTURES WITHIN TRAVEL LANES SHALL BE BUILT TO BEAR H2O LOADING. ...::.:.:: W 11 D FOR FUTURE ULTIMATE BUILDOUT REFER TO IMPERVIOUS SURFACE CALCULATIONS ON '...:. .:. :.......y .. O BMPS HAVE BEEN SIZE THE COVER SHEET. ..... ..,�� ...::. � 197.1 � �, 12. DROP INLETS ON LOT 4 SHALL BE CONSTRUCTED WITH STORMWATER SYSTEM FOR LOTS 1 AND 2-FOR FUTURE / NN .::.: .:.:..-::..:"" / I , 7 98. BOC OUTPARCEL DEVELOPMENT. 1 El 77 P i 1 TOS ,97 EOP 197.8 EOP 19� '9�13 TOS 198.E EOP ,9a.6 BOC TOTAL IMPERVIOUS A R EA- 5.29 AC 4 0 - 196 9 X I 1 EOP 198.7 BOC 198.1 OP - /C7) ...... 198.2 EOP t 198.2 BOC 197. EOP 197.7 EOP i I r.:r. ��' 197:4 EOP ABBREVIATIONS LEGEND 98.3 TOC / � 98,U,9a., 4 ^ ` 1-8.1 EOP ` FF ,98., \ 1 P EOP EDGE OF PAVEMENT �Pu� 3 - �ELE bfiG1. pv i 9tq----, .�.. ::: -- - /\ ® BOC BACK OF CURB i r:. . r:. 198.E TOS CA t T 198.1 EOP t T DI 01 O BOW BOTTOM A WALL 02 / ,1 � i y i � �`� ,98., OP ------ ,98., EOP � � \ ®. � TOW TOP OF WALL A' \ �196.5 X Ov i --- ) O V i t97.8 x :.:.: 198.5 BOC DI 101 O FIG FINISH GRADE EOP / / ,` FFE FINISH FLOOR ELEVATION 198,1 QQ r W U TOS TOP OF SIDEWALK 1 T F G ` •-' �` 9 1 C m L OP ' k 198.1 EOP F o . = } / : 98 EP , EOP , ADA INSTRUCTIONS TO CONTRACTOR 197.8 x i \ - ''�', '\ 0j`O r ' 19�•g X /7 El CONTRACTORS SHALL EXERCISE APPROPRIATE CARE AND PRECISION IN CONSTRUCTION OF ADA (HANDICAP) :. ACCESSIBLE COMPONENTS AND ACCESS ROUTES FOR THE SITE.THESE COMPONENTS,AS CONSTRUCTED,MUST No r N I \ COMPLY WITH THE CURRENT ADA STANDARDS AND REGULATIONS' BARRIER FREE ACCESS AND ANY / t 8.3 MODIFICATIONS,REVISIONS,OR UPDATES TO SAME. FINISHED SURFACES ALONG THE ACCESSIBLE ROUTE OF TRAVEL N� O 197.8E P . /SS O / ,94.5 El \ -' Z 5 ( \ \ FROM PARKING SPACE,PUBLIC TRANSPORTATION,PEDESTRIAN ACCESS,AND/OR INTER-BUILDING ACCESS TO ' \6' °) , 7 EOP U u, / � 19a. X I I POINTS OF ACCESSIBLE BUILDING ENTRANCE/EXIT MUST COMPLY WITH THESE ADA CODE REQUIREMENTS.THESE I 1 0 \ INCLUDE,BUT ARE NOT LIMITED TO THE FOLLOWING: ' / M PROPOSED �✓ 197.8 X1'�`./ / 194.2 EOPI I p \ \ PARKING SPACES AND PARKING AISLES-SLOPE SHALL NOT EXCEED 1:50(1/4" PER FOOT OR NOMINALLY 2.0%) � PUBLIC ,::�::�.,. � �:�� .0- S W � `. 195• X � \ IN ANY DIRECTION. N \ ' DRAINAGE & ' ' 1195.7 EOP I ::. r. ' W ` • CURB RAMPS SLOPE SHALL NOT EXCEED 1:12 8.3% . c . r ;:. . t t , 7.8E 197.4 EOP / � \ \ BMP ACCESS .�::.:�. � � SS � I X �I \� • LANDINGS-SHALL BE PROVIDED AT EACH END OF RAMPS,MUST PROVIDE POSITIVE DRAINAGE,AND MUST ' ' / 4'W CONC. FLUME W EASEMENT i::.:;: r:::: X NOT EXCEED 1:50 1 O � \ .,::.:i.: 'r:::: 1 g.3 S � 7 194.5 EOPI � ( /4" PER FOOT OR NOMINALLY 2.0%) IN ANY DIRECTION. �/ 5 X \ °' \ RIPRAP DISSIPATOR / µµ,6, \ .. .,: :r.::.:: 196• � • PATH OF TRAVEL ALONG ACCESSIBLE ROUTE-MUST PROVIDE A 48-INCH OR GREATER UNOBSTRUCTED WIDTH J �J I I o , (TYP) OF TRAVEL CAR OVERHANGS AND/OR HANDRAILS CANNOT REDUCE THIS MINIMUM WIDTH).THE SLOPE MUST C`ONST UCTE I p BE NO GREATER THAN 1:20 (5.0%) IN THE DIRECTION OF TRAVEL,AND MUST NOT EXCEED 1:50 (1/4" PER FOOT ,95.7 EOP X 1 `. r: ° , 5' ' 0) 6' OR NOMINALLY 2.0%) IN CROSS SLOPE.WHERE PATH OF TRAVEL WILL BE GREATER THAN 1:20 (5.0%),ADA W ETLA D) \ 2� :+..r: � ;'':�: � D%7 r 19'I.3 X �` ,` 19 � rn :r.�;: !.... - .'. � FFE' I \ �, RAMP REQUIREMENTS MUST BE ADHERED TO.A MAXIMUM SLOPE OF 1:12 (8.3%),FOR A MAXIMUM RISE OF 2.5 1 \ / 194.2 EOP . oc°0 ` \ \ QP :... ::` : I \ (.,+ FEET,SHALL BE PROVIDED.THE RAMP MUST HAVE ADA HAND RAILS AND 60"W BY 60'LANDINGS ON EACH \ \ / �p0 :::: ::. I :k:: I c/1 I X ! \ END THAT ARE CROSS SLOPED NO MORE THAN 1:50 IN ANY DIRECTION (1/4" PER FOOT OR NOMINALLY 2.0%) 1 x / ; I ::;:: ::: ::::' I X t97.7 EOP FFE,196� `,` 1945X I 00 \ \ FOR POSITIVE DRAINAGE. o + ti ::.:, ) DOORWAYS-MUST HAVE A "LEVEL" LANDING AREA ON THE EXTERIOR SIDE OF THE DOOR THAT IS SLOPED 194.5 EOP \ O \ + I 1� AWAY FROM THE DOOR NO MORE THAN 1:50 (1/4" PER FOOT OR NOMINALLY 2.0%) FOR POSITIVE DRAINAGE. r:.i. cA \ \ I 197.7 EOP THIS LANDING AREA MUST BE NO LESS THAN 60 INCHES (5 FEET) LONG, EXCEPT WHERE OTHERWISE PERMITTED 19 .2 X I X 197.7 El _19�.7 I X 192 \ ': I I FFE X I \ BY ADA STANDARDS FOR ALTERNATIVE DOORWAY OPENING CONDITIONS. (SEE ICC/ANSI Al 17.1-2003 AND 1 g3 198.4 x :;.a:.: :. , P 1�5.5 , P ti OTHER REFERENCED INCORPORATED BY COD.) ' 194 ti.5 El FES 300 ! ` 1 8 I 197.5 X 1 195.7 EOP 194.2 EOP SC WHEN THE PROPOSED CONSTRUCTION INVOLVES RECONSTRUCTION,MODIFICATION,REVISION OR EXTENSION 1969� - - - - - - - - - - - - - - - . : :i. 8• 197.7 EOP O ::�:a:: EqP r . - - - - - - - - - - - - ::;f:: I E.P .I / I , 7 P PROPOSED I X (CONST TED \ OF OR TO ADA COMPONENTS FROM EXISTING DOORWAYS OR SURFACES,CONTRACTOR MUST VERIFY 196.E EOP ;® .:.:.;;.:: '`;: / x PUBLIC W ETLAI�D) C \ EXISTING ELEVATIONS SHOWN ON THE PLAN. NOTE THAT TABLE 405.2 OF THE DEPARTMENT OF JUSTICE'S ADA W W I X STANDARDS FOR ACCESSIBLE DESIGN ALLOWS FOR STEEPER RAMP SLOPES, IN RARE CIRCUMSTANCES.THE - 1 I 196.5 EOP W {�{:'::.: 5 BMP I ACCESS I \ CONTRACTOR MUST IMMEDIATELY NOTIFY THE DESIGN ENGINEER OF ANY DISCREPANCIES AND/OR FIELD 1 p 1 7.0 EOP I 1g6. I 1 a. .. P S SS :':':{�':' ':: ' :' ''" CONDITIONS THAT DIFFER IN ANY WAY OR ANY RESPECT FROM WHAT IS SHOWN ON THE PLANS,IN WRITING, + S � �� ...+:':.�:.�.�:i 8�2 P � EASEMENT 11 197.8 EOP o _ I x (r X I PROP. 20' DRAINAGE BEFORE COMMENCEMENT OF WORK.CONSTRUCTED IMPROVEMENTS MUST FALL WITHIN THE MAXIMUM AND 197.4 EOP ""� " :.F:+.. I 19�3 X 19 ,95.7 EOP \ ESMT. �� 5• I � �2+50 MINIMUM LIMITATIONS IMPOSED BY THE BARRIER FREE REGULATIONS AND THE ADA REQUIREMENTS. ::: .:. �::.:t�:. FFE, l r. O • THE CONTRACTOR MUST VERIFY THE SLOPES OF CONTRACTOR'S FORMS PRIOR TO POURING CONCRETE. IF I 197.0E X X FES .301 I• ' ' ,'::' ��'�'�� '�� 1g � ANY NON-CONFORMANCE IS OBSERVED OR EXISTS,CONTRACTOR MUST IMMEDIATELY NOTIFY THE ENGINEER `� I 1 77 P 197.7 EOP FFE' 19 5 X 194.2 El X X0 ~\ PRIOR TO POURING CONCRETE.CONTRACTOR IS RESPONSIBLE FOR ALL COSTS TO REMOVE, REPAIR AND \I ,. 198.5 EOP ::i'98.5 X 1 7.3 OP ' 7 P x E : l;EOP �- `I+ 1 P 7 LS I 0 REPLACE NON CONFORMING CONCRETE. O ` :: , 7 7 P IT IS STRONGLY RECOMMENDED THAT THE CONTRACTOR REVIEW THE INTENDED CONSTRUCTION WITH THE LOCAL -I197� o0 197.7 EOP ) t97.2 EO 197 a E P •. :.:'' ll FFE 1955 X `� �e BUILDING CODE PRIOR TO COMMENCEMENT OF CONSTRUCTION. I 1 ,97.4 EOP I I :: II 195.7 EOP ` I �' S01 DI 201 197.5 X ' 198.3198.3 EOP ii { U / 197.7 EOP FFE�1g5 ( i� / POI IF DI 202 U i \ DI 203 I 198.4 x01 197.7 EOP FFE'196 1gj3XX II u SPILL ') / 1ss.2 ll CURB 1FE-19�• / / � I 198.0 EOP I ` / / 1 x ; � 0 198.2 E P LO A981 197.7 x / / ------ 1 198. X 1 7 P 197.0 X 1 ` , Q_/ 199.0 EOP / _� ; 9 DRAINAGE SUMMARY Flow(Total Flow(Total Downstream Upstream Inlet Upstream Inlet Upstream Pipe Diameter Capacity(Full Total Pipe Flow Total System Invert Invert Elevation(Rim) Elevation Gutter Depth Gutter Spread ' 1 P / I Upstream Node Material Pipe Length(ft) 3 3 Slope{ft/ft} Inlet* Inlet Type Bypass Target Intercepted) Bypassed} III II I N Node C Area(acres) Intensity*(iNh) (in) Flow}(ft!s) (ft/s) Flow(ft!s) {Upstream}(ft) (Downstream)(ft) (ft) (Invert)(ft) (ft'/s) (ft'/s) (in) (ft) DI 203 z DI 202 0.90 0.15 7.81 15 Class III RCP 57.0 4.89 1.05 1.05 0.0049 194.20 193.92 DI 203 197.70 194.20 Double NCDOT 840.16 NA 1.05 NA 0.9 5.6 DI 202 2 DI 201 0.90 0.36 7.81 15 Class III RCP 72.0 4.94 2.53 3.58 0.0050 193.92 193.56 DI 202 197.10 193.92 Double NCDOT 840.16 NA 2.53 NA 1.7 7.8 / DI 201 z FES 200 0.90 0.46 7.81 15 Class III RCP 86.0 4.94 3.23 6.82 0.0050 193.56 193.13 DI 201 197.20 193.56 Double NCDOT 840.16 NA 3.23 NA 2.1 8.8 , N I DI 103 DI 102 0.85 0.78 7.81 18 Class III RCP 173.0 8.04 5.18 5.18 0.0050 192.40 191.53 DI 103 196.30 192.40 NCDOT 840.16 NA 5.18 NA 3.72 7.2 to DI 102 DI 101 0.90 0.10 7.81 18 Class III RCP 131.0 8.04 0.70 5.88 0.0050 191.53 190.87 DI 102 197.00 191.53 NCDOT 840.16 NA NA NA 0.84 4.5 , _ DI 101 FES 100 0.85 0.11 7.81 18 Class III RCP 51.0 8.12 0.73 6.61 0.0051 190.87 190.61 DI 101 196.40 190.67 NCDOT 840.16 NA NA NA 0.84 8.0 1 6 Notes: IHGL is dependent on tailwater from BMP;entire length of pipe is o-ring gasketed wf joints wrapped in gec-fabric 2 Double Inlets Gutter Spread is from center of Drop Inlet Pipe sizing is based on 10-year storm intensity of 7-81"!hr with a 5 m inute To NORTH ` DI rim elev is @ grate 40 20 0 40 80 19 ' 01 GRAPHIC SCALE II ALL CONSTRUCTION MUST BE PERFORMED IN ACCORDANCE WITH I I CURRENT TOWN OF COATS,HARNETT COUNTY, NCDEQ AND NCDOT STANDARDS,SPECIFICATIONS AND DETAILS IN PLACE AT TIME OF PLAN APPROVAL SUBMITTAL: DRAWN BY: CHECKED BY: DATE: SEALED BY: underfoot1ST SUBMITTAL ZA LL 2024.07.02 � �``,111��II!'''/ HIGHWAY 2 ELFSTORAGE ;, `��, AR7S ENGINEERING GRADING AND '=°�oFEss/o�-70*7 CONSTRUCTION PLANS o � C -3001 149 EXECUTIVE CIRCLE KNOW WHAT'S BELOW = 0 032d74 CARY, NC27511 DRAINAGE PLAN ALWAYS CALL811 :y'LQ°�oFN�IN ' 919.576.9733 COATS, NC BEFORE YOU DIG - °%NM°°�0� ; NCBELS C3847 I NCBOLA C683 It's fast.It's free. It's the law. '''r,,,,,,,,x``\202g07,02