SW4210803_Plansheet C-4.0 - Grading/Drainage Plan_20220120

LEGEND
PROP. GRAVEL/ABC STONE
EXIST. MAJOR CONTOUR
EXIST. MINOR CONTOUR
PROP. MAJOR CONTOUR
PROP. MINOR CONTOUR
PROP. SCM EASEMENT
PROP. STORM DRAINAGE EASEMENT
PROP. PERIMETER BUFFER
EXIST. GENERAL PURPOSE UTILITY EASEMENT
GRADING NOTES
1. APPROVAL OF THIS PLAN IS NOT AN AUTHORIZATION TO GRADE ADJACENT PROPERTIES. WHEN
FIELD CONDITIONS WARRANT OFFSITE GRADING, WRITTEN PERMISSION MUST BE OBTAINED FROM
THE ADJACENT PROPERTY OWNER(S).
2. CLEARING AND GRUBBING SHALL BE PERFORMED WITHIN THE LIMITS SHOWN ON THE PLANS. ALL
TIMBER, BRUSH ROOTS, STUMPS, TREES, OR OTHER VEGETATION CUT DURING THE CLEARING
OPERATIONS SHALL BECOME THE CONTRACTOR'S RESPONSIBILITY TO DISPOSE OF PROPERLY, AND
SHALL BE EITHER REMOVED FROM THE PROJECT SITE BY THE CONTRACTOR, OR SATISFACTORILY
DISPOSED OF ON -SITE WITH APPROVAL FROM THE OWNER.
3. WHEN UNDERGROUND OBSTRUCTIONS NOT SHOWN ON THE CONSTRUCTION DRAWINGS (ROCK,
PIPING, ETC.) ARE ENCOUNTERED, THE CONTRACTOR SHALL PROMPTLY REPORT THE CONFLICT TO
THE OWNER'S ENGINEER. ALL CHANGES MUST BE APPROVED IN WRITING BY THE ENGINEER BEFORE
CONSTRUCTION CAN PROCEED.
4. CONTRACTOR SHALL BE FULLY RESPONSIBLE FOR REPAIR AND/OR REPLACEMENT OF ANY
UTILITIES DAMAGED DURING CONSTRUCTION.
5. CONTRACTOR SHALL BE FULLY RESPONSIBLE FOR PROPER REMOVAL OF ALL CONSTRUCTION
WASTE AND DEBRIS. ALL WASTE AND DEBRIS SHALL BE LEGALLY DISPOSED AT AN OFFSITE
LOCATION.
6. ROAD SHOULDERS, SWALES, BACK -OF -CURBS, AND CUTIFILL BANKS SHALL BE COMPLETELY
DRESSED BY THE CONTRACTOR AND SEEDED AS SOON AS POSSIBLE. THE CONTRACTOR SHALL BE
RESPONSIBLE FOR MAINTENANCE OF THESE AREAS UNTIL A PERMANENT STAND OF GRASS IS
ESTABLISHED.
7. CUT AND FILL SLOPES OF ANY AREA SHALL NOT EXCEED THE RATIO OF 3:1, UNLESS NOTED
OTHERWISE.
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UTILITY EASEMENT
8. DRIVES SHALL BE GRADED IN ACCORDANCE WITH THE LINES AND GRADE SET BY THE ENGINEER.
BEFORE PLACING CURB AND GUTTER OR BASE ON THE GRADED SUBGRADE, THE SUBGRADE SHALL
BE COMPACTED TO 100% IN ACCORDANCE WITH AASHTO-T99 AND NCDOT SPECIFICATIONS SECTIONS
500, AND THEN SHALL BE PROOF ROLLED IN THE PRESENCE OF THE ENGINEER. PLACES THAT ARE
FOUND TO BE LOOSE, SOFT, OR COMPOSED OF UNSUITABLE MATERIALS, WHETHER IN THE
SUBGRADE OR BELOW IT, MUST BE DUG OUT AND REFILLED WITH SUITABLE MATERIAL. ALL
EMBANKMENTS OR FILLS SHALL BE MADE IN SIX-INCH VERTICAL LIFTS OF SUITABLE MATERIAL. THE
FILL SHALL BE ROLLED WITH A SHEEPS-FOOT ROLLER AFTER EACH LIFT, FOLLOWED BY A WHEEL
ROLLER, EACH WEIGHING NOT LESS THAN TEN (10) TONS.
9. THE STONE BASE SHALL BE COMPACTED TO 98% OF THE MAXIMUM DENSITY OBTAINABLE WITH
THE MODIFIED PROCTOR TEST (AASHTO-T180) BY ROLLING WITH RING OR TAMPING ROLLER OR WITH
A PNEUMATIC TIRED ROLLER WITH A MINIMUM WEIGHT OF TEN TONS. WHEN COMPLETED, THE BASE
COURSE SHALL BE SMOOTH, HARD, DENSE, UNYIELDING AND WELL BONDED.
10. FILL EMBANKMENTS SHALL BE FORMED OF SUITABLE MATERIAL PLACED IN SUCCESSIVE LAYERS
NOT TO EXCEED MORE THAN SIX (6) INCHES IN DEPTH FOR THE FULL WIDTH OF THE CROSS-SECTION,
INCLUDING THE WIDTH OF THE SLOPE AREA. NO STUMPS, TREES, BRUSH, RUBBISH OR OTHER
UNSUITABLE MATERIALS OR SUBSTANCES SHALL BE PLACED IN THE EMBANKMENT. EACH
SUCCESSIVE SIX (6) INCH LAYER SHALL BE THOROUGHLY COMPACTED BY THE SHEEPS-FOOT
TAMPING ROLLER, 10-TON POWER ROLLER, PNEUMATIC -TIRED ROLLER, OR OTHER METHODS
APPROVED BY THE ENGINEER. EMBANKMENTS OVER AND AROUND ALL PIPE CULVERTS SHALL BE OF
SELECT MATERIAL, PLACED AND THOROUGHLY TAMPED AND COMPACTED AS DIRECTED BY THE
ENGINEER.
11. ALL BACKFILL SHALL BE OF LOW PLASTICITY, FREE FROM ROOTS, VEGETATIVE MATTER, WASTE,
CONSTRUCTION MATERIAL, AND OTHER OBJECTIONABLE MATERIAL. SAID MATERIAL SHALL BE
CAPABLE OF BEING COMPACTED BY MECHANICAL MEANS AND THE MATERIAL SHALL HAVE NO
TENDENCY TO FLOW OR BEHAVE IN A PLASTIC MANNER UNDER THE TAMPING BLOWS OR PROOF
ROLLING.
12. ALL PROPOSED GRADES SHOWN ON THESE PLANS ARE FINAL GRADES. CONTRACTOR SHALL BE
RESPONSIBLE FOR DETERMINING THE APPROPRIATE SUBGRADE ELEVATIONS.
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NOTE:
ELEVATIONS AND GRADES ARE AT TOP OF ABC STONE. THE TOP OF ABC
STONE LAYERS SHOULD BE ALIGNED OUTSIDE AND INSIDE THE FENCE
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PROJECT INFORMATION
PROJECT MANAGER:
DEB
DESIGNED BY:
JWF
DRAWN BY:
MSS
PROJECT NUMBER:
IV18.400
ORIGINAL DATE:
TBD
Know whafs below.
Call before you dig.
( IN FEET)
1 inch = 40 ft.
SHEET
C-4.0