SW3180305_REVISED-6028-MCC-Plan Sheets_6/28/2019

STORM DRAINAGE NOTES.
PRIOR TO CONSTRUCTION FOR REVIEW AND APPROVAL.
33. CONTRACTOR TO COORDINATE ALL WORK WITH OTHER UTILITY INSTALLATIONS NOT
EYP Architecture &Engineering
1. CATCH BASIN RIM ELEVATIONS ARE GIVEN TO THE EDGE OF ASPHALT.
21. "AS -BUILT" DRAWINGS AND PLANS OF THE STORM DRAINAGE SYSTEM, INCLUDING
DESIGNED DITCHES, MUST BE SUBMITTED PRIOR TO SUBDIVISION FINAL INSPECTION TO
COVERED IN THESE PLANS (ELECTRIC, TELEPHONE, GAS, CABLE, ETC.) AND ALLOW FOR
THEIR OPERATIONS AND CONSTRUCTION TO BE PERFORMED.
ALEXANDER ST.
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2108 South Boulevard, Suite 205
Charlotte, NC 28213 yp/
THE STATE ENGINEERING DEPARTMENT IN ACCORDANCE WITH THE STATE SUBDIVISION
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2. RIM ELEVATIONS GIVEN ON THESE PLANS ARE APPROXIMATE AND ARE FOR
ORDINANCE.
34. CONTRACTOR SHALL REPAIR OR REPLACE IN -KIND ANY DAMAGE THAT OCCURS AS
RESULT OF HIS WORK.
704.602.0071
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INFORMATIONAL PURPOSES ONLY. ACTUAL RIM ELEVATIONS SHALL BE DETERMINED BY
CONTRACTOR AND ADJUSTED TO MATCH FIELD CONDITIONS.
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22. HIGH -DENSITY POLYETHYLENE (HDPE) STORM DRAINAGE PIPE INSTALLED WITHIN EX. OR
35. ALL LINEAR FOOTAGE FOR ALL UTILITY PIPES ARE APPROXIMATE, ACTUAL INSTALLED
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3. COORDINATE ALL CURB AND STREET GRADES AT INTERSECTIONS WITH INSPECTOR.
PROP. PUBLIC RIGHT-OF-WAY MUST BE APPROVED BY THE INSPECTOR PRIOR TO ANY
BACKFILL BEING PLACED. BACKFILL MATERIAL MUST BE APPROVED BY THE INSPECTOR
QUANTITIES MAY VARY.
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4. CONTRACTOR WILL PROVIDE STREET SIGNS PER THE CITY OF STATESVILLE.
PRIOR TO PLACEMENT OF THE MATERIAL WITHIN THE PUBLIC STREET RIGHT-OF-WAY.
36. STORM SEWER LEAD-INS TO BUILDINGS SHALL NOT BE INSTALLED UNTIL BUILDING
PLANS ARE COMPLETED AND LOCATIONS ESTABLISHED ON THE ARCHITECTURAL PLANS. i
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5. APPROVAL OF THIS PLAN IS NOT AN AUTHORIZATION TO GRADE ADJACENT PROPERTIES.
23. ALL ROOF DRAIN PIPES TO HAVE A MINIMUM OF 0.5% SLOPE.
LEAD-INS MAY CHANGE 15' HORIZONTALLY AND 3' VERTICALLY PRIOR TO INSTALLATION I
AT NO ADDITIONAL COST TO THE OWNER. CONTRACTOR SHALL REQUEST AND RECEIVE
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6. IN ORDER TO ENSURE PROPER DRAINAGE, KEEP A MINIMUM OF 0.50% SLOPE ON THE
CURB.
24. NEW FINISHED CONTOURS SHOWN ARE TOP OF PAVING IN AREAS TO RECEIVE
PAVEMENT AND TOP OF TOPSOIL IN AREAS TO BE SEEDED.
WRITTEN APPROVAL FROM PRIME CONTRACTOR PRIOR TO INSTALLATION OF LEAD-INS. I
CONTRACTOR SHALL COORDINATE LOCATIONS, SIZE AND INVERT ELEVATIONS OF
G�1ERR
STORM SEWERS WITH APPROVED BUILDING PLUMBING PLANS.
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7. CURB AND GUTTER SHOWN ON PLANS MAY BE ADJUSTED BASED UPON FIELD STAKING
BY ENGINEER. STORM
25. DIMENSIONS ON BUILDINGS ARE FOR GRADING PURPOSES ONLY AND ARE NOT TO BE
USED TO LAYOUT FOOTINGS.
37. INVERTS ON ROOF DRAINAGE ARE GIVEN AT CLEANOUTS.
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ASSOCIATED DRAINAGE MAY ALSO REQUIRE MODIFICATION
BASED UPON FIELD CONDITIONS.
26. GRADING CONTRACTORS SHALL NOTIFY AND COOPERATE WITH ALL UTILITY COMPANIES
38. THE DEVELOPER SHALL MAINTAIN EACH STREAM, CREEK, OR BACKWASH CHANNEL IN
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OR FIRMS HAVING FACILITIES ON OR ADJACENT TO THE SITE BEFORE DISTURBING,
AN NON -OBSTRUCTED STATE AND SHALL REMOVE FROM THE CHANNEL AND BANKS OF I
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8THE PURPOSE OF THE STORM DRAINAGE EASEMENT IS TO PROVIDE STORM WATER
CONVEYANCE AND ANY STRUCTURES AND/OR OBSTRUCTION TO STORM WATER FLOW
ALTERING, REMOVING, RELOCATING, ADJUSTING OR CONNECTING TO SAID FACILITIES.
CONTRACTORS SHALL PAY ALL COSTS IN CONNECTION WITH THE ALTERATION OF OR
THE STREAMS, ALL DEBRIS, LOGS, TIMBER, JUNK AND OTHER ACCUMULATIONS.
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RELOCATION OF THE FACILITIES. CONTRACTORS SHALL RAISE OR OF O
9. ALL YARD INLETS CONNECTED TO 15" DIA. OR GREATER PIPE SHALL BE STANDARD
LOWER TOPS EX.
MANHOLES AS REQUIRED TO MATCH FINISHED GRADES.
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CONSULTANTS:
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BRICK OR PRECAST DROP TYPE INLETS. RIM ELEVATIONS GIVEN ON PLANS FOR YARD
INLETS REFER TO TOP OF GRATE.
27. GRADING CONTRACTOR SHALL COOPERATE AND WORK WITH ALL OTHER
CTORS
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ON THIS PROJECT TO INSURE PROPER AND TIMELY
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LCOMPETION
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10, ALL STORM DRAIN PIPE 12" DIA, OR SMALLER SHALL BE CORRUGATED HDPE WITH A
SMOOTH INTERIOR. SEE DETAILS FOR INLET CONSTRUCTION ON HDPE PIPE.
OF T PRONGCWORK
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28. THE GRADING CONTRACTOR SHALL USE WHATEVER MEASURES ARE REQUIRED TO
SILT CONSTRUCTION
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11. CONSTRUCTION SHALL BE IN ACCORDANCE WITH MITCHELL COMMUNITY COLLEGE AND
ALL OTHER CITY, STATE AND FEDERAL REGULATIONS AND/OR STANDARDS.
PREVENT AND DEBRIS FROM FLOWING ONTO ADJACENT
PROPERTIES. CONTRACTOR SHALL COMPLY WITH ALL LOCAL, STATE, AND FEDERAL
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CREATING PLACES
THAT MATTER.
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EROSION SEDIMENT AND SILTATION ORDINANCES. CONTRACTOR SHALL REMOVE ALL
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12. ALL SHORING SHALL BE IN ACCORDANCE TO OSHA TRENCHING STANDARDS, PART 1926
TEMPORARY EROSION CONTROL STRUCTURES UPON COMPLETION OF PERMANENT1 DRAINAGE FACILITIES AND NOT BEFORE ALL AREAS DRAINING INTO THESE STRUCTURES
VICINITY AP
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SUBPART P, AS AMENDED.
ARE SUFFICIENTLY STABILIZED.
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223 N. Graham St.
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13. CONTRACTOR SHALL VERIFY LOCATION AND DEPTH OF ALL UNDERGROUND UTILITIES
PRIOR TO CONSTRUCTION.
29. FOR ANY WORK ON THE STATE OR CITY RIGHT-OF-WAY, THE GRADING CONTRACTOR
SHALL:
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Charlotte, NC 28202
704.333.3025
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14. IF PROP. UTILITIES ARE INSTALLED WITHIN 12 INCHES, HORIZONTAL OR VERTICAL, FROM
A GAS MAIN, THE CONTRACTOR SHALL INFORM GAS COMPANY.
29.1. NOT STORE MATERIAL, EXCESS DIRT OR EQUIPMENT IN THE RIGHT-OF-WAY
29.2. IN CASE OF MULTILANE HIGHWAYS. THE PAVEMENT SHALL BE KEPT FREE
FROM ANY MUD OR EXCAVATION WASTE FROM TRUCKS OR OTHER EQUIPMENT.
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NC En Firm License # C-0658
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15. ALL PERSONS OR AGENCIES DOING WORK IN THE PUBLIC STREETS, HIGHWAYS, OR
PUBLIC RIGHTS -OF -WAY ARE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS,
COORDINATING
29.3. ON COMPLETION OF THE WORK ALL EXCESS MATERIAL SHALL BE REMOVED
FROM THE RIGHT-OF-WAY.
THE WORK WITH ALL AFFECTED GOVERNMENT AGENCIES AND UTILITIES
AND INFORMING OCCUPANTS OF ADJACENT PROPERTIES OF ACCESS IMPACTS DUE TO
30. B) PROVIDE ALL NECESSARY AND ADEQUATE SAFETY PRECAUTIONS SUCH AS
SIGNS, FLAGS, LIGHT BARRICADES AND FLAGMEN AS REQUIRED BY THE LOCALTHE
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AUTHORITIES AND IN ACCORDANCE WITH THE MANUAL ON UNIFORM TRAFFIC
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16. RESPONSIBILITY FOR THE INSTALLATION AND MAINTENANCE OF ADEQUATE SAFETY
DEVICES FOR THE PROTECTION OF THE PUBLIC, THE WORKERS, AND GENERAL
CONTROL DEVICES. THE GRADING CONTRACTOR SHALL BE SOLELY RESPONSIBLE
FOR AND HOLD HARMLESS THE CITY OF CHARLOTTE, THE STATE OF NORTH
CAROLINATHE ARCHITECT/ENGINEERAND THE OWNER FROM ANY CLAIMS FOR
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PROTECTION OF THE WORK SHALL REST WITH THE CONTRACTOR DOING THE WORK.
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DAMAGE DONE TO EX. PRIVATE PROPERTY, PUBLIC UTILITIES, OR TO THE
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17. ALL LANE CLOSURES THATARE REQUIRED SHALL FOLLOW THE MANUAL FOR UNIFORM
TRAFFIC CONTROL DEVICES (MUTCD).
TRAVELING PUBLIC.
31. GRADING CONTRACTOR SHALL TAKE ALL AVAILABLE PRECAUTIONS TO CONTROL DUST.
CONTRACTOR SHALL CONTROL DUST BY SPRINKLING, OR BY OTHER METHODS AS
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18. ALL ROAD IMPROVEMENTS ARE TO BE COORDINATED WITH MITCHELL COMMUNITY
COLLEGE ENGINEERING DEPARTMENT PRIOR TO CONSTRUCTION.
DIRECTED BY ENGINEER AND/OR OWNER'S REPRESENTATIVE AT NO ADDITIONAL COST
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19, SUBSURFACE
TO OWNER.
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DRAINAGE FACILITIES MAY BE REQUIRED IN THE STREET RIGHT-OF-WAY IF
DEEMED NECESSARY BY THE INSPECTOR.
32. GRADING CONTRACTOR TO COMPLY WITH ALL STATE AND LOCAL SEDIMENT CONTROL
AND AIR POLLUTION ORDINANCES OR RULES.
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19.59 LF OF 2 PE @ 5.10%
BD 03 \ - BD 03 SDMH - (134)
RIM:891.38
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20. PE SEALED SHOP DRAWINGS FOR RETAINING WALL MUST BE SUBMITTED TO ENGINEER
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4 12" INV. IN: 887.00 (RB - (133))
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I 24" INV. IN: 880.00 (FLOW SPLITTER - (127))
24" INV. OUT: 880.00 (EX DI - (131))
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BD 03 EX DI - (131)
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RIM:889.70
24" INV. IN: 879.00 (SDMH - (134))
30" INV. IN: 877.78 (EX. 30 IN)
15" INV. IN: 877.75 (EX. 15 IN)
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RIM: 911.58
24" INV. OUT: 909.00 (SDMH - (117))
48" INV. OUT: 877.69 (EX. 48 IN)
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PROP. MAINTENANCE I
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16" INV. IN: 904.00 (SDMH - (89))
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24" INV. IN: 892.50 (SDMH-1)
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24" INV. OUT: 903.00 (FLOW SPLITTER - (127))
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24" INV. OUT: 892.50 (SDMH - (134))
I 12" INV. OUT: 892.50 (HW- (132))
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BD 03 SDMH - (117) J /
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1\ 6° INV. IN: 888.50 (CO - (136))
i I 12" INV. OUT: 888.00 (SDMH - (134))
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24" INV. IN: 907.00 (HW - (116))
24" INV. OUT: 907.00 (SDMH-1) /
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KEY PLAN:
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41.35 LF OF 16" HDPE @ 3.00% BD 03
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39.84 LF OF 12" HDPE @ 1.50%
BEND - (104)
RIM: 908.84
12" INV. IN: 907.73 DI - 79 /
12" INV. OUT: 907.73 (RL - (121))
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HW- (132) //////� / // g°h
RIM: 893.55 / // /
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SEE BMP DETAIL SHEET C4.02
12" INV. IN: 892.00 (FLOW SPLITTER- (127)) / / � //L ��
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16" INV. OUT: 905.24 (SDMH-1)
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DRAIN TO PROP STORM. REFER TO
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10" INV. IN: 911.16 (RL - (76))
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06/28/2019
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18.77 LF OF 10" HDPE @ 2.00%
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12" INV. IN: 910.42 (DI - (78))
12" INV. OUT: 910.42 (BEND - (104))
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ARCH & STRUCTURAL PLANS FOR
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FURTHER FOUNDATION DETAILS.
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PROP. WATERMAIN
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CB - (108) QW RIM:921.81
RIM: 925.13 12" INV. IN: 919.08 (CB - (108)) _ _ _ -
12" INV. OUT: 913.85 (DI - (78))
/ 12" INV. IN: 920.25 (CB - (109))
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NCCCS PROJECT NO.: 2253
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CLASS B RIP
RAP BERM
CREST: 894.00
PROP. GROUND
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BOTTOM
OF
BASIN
892.00
STA: 0+90.29
2.50' MIN.
-
RIM:894.25
INV. IN: 888.50 (CO - (136))
CLEANED
WASHED
- -
INV. OUT: 888.00 (SDMH - (134))
EX. GROUND
(TYP.)
3.92
LF OF 6"
SAND
12" HDPE
@ 1.11%
1.00'
GRAVEL
MIN.
9029
LF OF
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OF 6" HDPE @ 1.00%
HDPE @ 1.00%
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BMP RISER
SCHEMATIC
N.T.S.
0.50'
(TYP.)
BMP NOTES:
IN ACCORDANCE WITH NCDEQ SAND FILTER MDCS 6
AND 8, THE SAND MEDIA MUST MEET ASTM C33 OR
EQUIVALENT AND MUST BE MAINTAINED IN A MANNER
THAT RESULTS IN A DRAWDOWN OF AT LEAST TWO
INCHES PER HOUR AT THE SAND SURFACE.
SITE ALLOWABLE BUA SUMMARY CHART
ROADS/PARKING
14,854 SF
SIDEWALK/CONCRETE
4,182 SF
BUILDINGS
20,095 SF
SITE AREA
3.27 AC
TOTAL SITE BUA
39,131 SF = 27.47%
NOTE: BUA AS -BUILT SHALL BE PROVIDED PRIOR TO THE
ISSUANCE OF BMP AS -BUILT APPROVAL
SAND FILTER BMP BUA SUMMARY CHART
ROADS/PARKING
8,067 SF
SIDEWALK/CONCRETE
4,182 SF
BUILDINGS
20,095 SF
DRAINAGE AREA
2.00 AC
TOTAL SITE MAX
ALLOWABLE BUA
32,344 SF = 37.13%
ABOVE GROUND SAND FILTER BMP SUMMARY CHART
PEAK CONTROL
STORM EVENTS
PRE -DEVELOPMENT
RUNOFF (CFS)
POST -DEVELOPMENT
RUNOFF (CFS)
POST -ROUTING
RUNOFF (CFS)
ELEVATION
TOP OF DAM
dL
895.00
10YR - 24HR
9.64
5.62
5.51
894.50
2YR - 24HR
5.75
3.58
2.50
894.39
1YR - 24HR
4.33
2.84
0.56
894.27
1IN - 6HR
-
1.65
0.00
893.90
BOTTOM OF BASIN
892.00
SAND FILTER MAX ALLOWABLE BUA
32,344 SF
EYP Architecture & Engineering
2108 South Boulevard, Suite 205
Charlotte, NC 28213
704.602.0071
eypae.com
CONSULTANTS:
LandDesign
CREATING PLACES
THAT MATTER.
223 N. Graham St.
Charlotte, NC 28202
704.333.3025
NC Engineering Firm License # C-0658
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CORPORATE
SEAL =
C-0658
EYP/
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KEY PLAN:
HEALTH SCIENCES
BUILDING
MITCHELL COMMUNITY COLLEGE
706 CHERRY STREET
STATESVILLE, NC 28677
DATE:
03/28/18
SCALE:
EYP PROJECT NO.:
1014077.01
SCO PROJECT NO.:
17-17098-02A
NCCCS PROJECT NO.:
2253
DRAWN BY:
MDM
CHECKED BY:
MDM
BMP DETAIL
Cill4m02
@ 2017 EYPI