20200110 Ver 1_PLTS-GRADING AND DRAINAGE-C2.11_20200203

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WITH BACK SURFACE, LAP OVER
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STREAM BANK REPAIR
SCALE: NOT TO SCALE
12" WOOD STAKE
PLACED IN 3' O.C.
DIAMOND PATTERN
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BELOW STREAM BED
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HEET 1 OF 2
840.45
GENERAL NOTES:
* THIS PRECAST BOX MAY BE USED FOR THE FOLLOWING
STANDARDS: 840.01, 840.02, 840.04, 840.05, 840.13,
840.14, 840.15, 840.17, 840.18, 840.19, 840.26,
840.275 840.285 840.315 840.32 AND 840.41.
* INSTALL PRECAST DRAINAGE STRUCTURES AND PAY
FOR IN ACCORDANCE WITH SPECIFICATION SECTION 840.
* DO NOT PLACE PRECAST DRAINAGE STRUCTURES
UNDER TRAFFIC OR WHERE TRAFFIC WILL BE DETOURED.
* USE 4000 PSI CONCRETE.
* PROVIDE ALL REINFORCING STEEL WHICH MEETS ASTM A615 FOR
GRADE 60 AND WELDED WIRE FABRIC CONFORMING TO ASTM A1064.
* LIMIT MAXIMUM DEPTH TO TOP OF BOTTOM SLAB FOR WAFFLE WALL
STRUCTURE TO 10'-0"; LIMIT SOLID WALL STRUCTURE
TO 15'-0".
* PLACE LIFT HOLES OR PINS IN ACCORDANCE WITH
OSHA STANDARD 1926.704.
• CUT OR FORM OPENINGS FOR PIPE TO PROVIDE
REQUIRED SIZE AND LOCATION. ORIENT WAFFLE WALL STRUCTURES
SO THAT PIPES ENTER THROUGH THE
KNOCKOUT/WAFFLE PANELS ONLY. PIPES MAY ENTER THROUGH
THE CORNERS OF SOLID WALL BOXES IF A MINIMUM OF 6" OF
WALL IS PROVIDED ABOVE THE HOLE.
* ALL ELEMENTS PRECAST TO MEET ASTM C913.
* FRAME AND GRATE HEIGHT MAY BE ADJUSTED WITH CONCRETE
OR BRICK IN ACCORDANCE WITH STANDARD 840.25.
* PROVIDE PRECAST STRUCTURES OVER 4'-0" IN DEPTH WITH
STEPS AS DIRECTED BY THE ENGINEER.
* WELDED WIRE FABRIC MAY BE SUBSTITUTED FOR REBAR AS LONG
AS THE SAME AREA OF STEEL IS PROVIDED.
* SEAL JOINTS WITH A FLEXIBLE BUTYL RUBBER
BASE CONFORMING TO FEDERAL SPECIFICATION SS-S-21A,
AASHTO M-198, TYPE B - BUTYL RUBBER.
* LIMIT MAXIMUM STRUCTURE SIZE TO INSIDE CLEAR
DIMENSIONS OF 5'-0" X 5'-0".
* THE OUTSIDE PIPE DIAMETER PLUS 2" OR THE OPENING
REQUIRED FOR FRAME AND GRATE IS THE MINIMUM STRUCTURE
SIZE WHICHEVER IS GREATER.
• USE MANHOLE FRAME AND COVER AS INDICATED ON THE PLANS.
REINFORCE OPENING AS SHOWN ON THIS SHEET.
BOTTOM OF STREAM BED- -
PROPOSED CULVERT TO
BE BURIED 12" BELOW
STEAM BED ELEVATION
NCDOT STD. 838.80
PRECAST CONC. HEADWALL
SEE SHEET C2.9
SECTION A -A
SCALE: NOT TO SCALE
OPENING SHALL BE
LOCATED AS REQUIRED
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PRECAST RISER PLAN PRECAST RISER DETAIL }
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SECTION VIEW SECTION VIEW
OPTIONAL JOINT DETAILS SHEET 2 of 2
840.45
NCDC
PRECAST C(
TYP.,EACF
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NOTES:
INSTALL ALL STEPS PROTRUDING 4" FROM INSIDE FACE OF STRUCTURE WALL.
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STEPS DIFFERING IN DIMENSIONS, CONFIGURATION, OR MATERIALS FROM THOSE SHOWN MAY ALSO BE USED PROVIDED THE CONTRACTOR HAS FURNISHED
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THE ENGINEER WITH DETAILS OF THE
PROPOSED STEPS AND HAS RECEIVED WRITTEN APPROVAL FROM THE ENGINEER FOR THE
USE OF SUCH STEPS.
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SANITARY SEWER MANHOLES.
SHEET 1 OF 1
SECTION A -A
ELEVATION
840.66
70 L.F. OF IMPACT
SECTION B-B
SCALE: NOT TO SCALE
BOTTOM OF STREAM BED
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REVIEW 02/03/20 DOB c::)
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