SW1210901_Plansheet SW-04 - Misc. Detail_20220127

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GENERAL NOTES
USE 4000 PSI MINIMUM COMPRESSIVE STRENGTH CONCRETE.
FABRICATE, ASSEMBLE AND DESIGN PRECAST MANHOLE COMPONENTS
ACCORDANCE WITH AASHTO M199.
ASSEMBLE RISER AND GRADE RINGS WITH THE STEPS SPACED 12"
FROM THE TOP TO THE BOTTOM OF THE MANHOLE.
WHERE THE MANHOLE IS EXPOSED TO ROAD TRAFFIC, CONSTRUCT
THE TOP OF THE MANHOLE FLUSH WITH THE GROUND AND A MINIMUM'
OF 9" ABOVE THE GROUND AT OTHER LOCATIONS.
LIMIT DEPTH OF FILL TO 30'-0" FROM FINISH GRADE TO TOP OF
BOTTOMSLAB.
THE MIN. SLAB THICKNESS 'T' IS THE DIMENSION OF THE
THINNEST PORTION OF THE TOP/BOTTOM SLAB.
* TOP MAT OF REINFORCEMENT MAY BE NEGLECTED IF TOP SLAB HAS
A DISTINGUISHABLE TOP AND BOTTOM.
'D' + 2 'W' ..
1" MIN. L
#4 REBAR
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INTERNAL MIN. MIN.
DIAMETER WALL TOP/BOTTOM
(FT.) THICKNESS SLAB THICKNESS
(IN.) (IN.)
ALTERNATE CONE SECTION
As
MIN'. CIRCUMFERENTIAL
AREA STEEL OF EEL
PER VERTICAL FT.
(SQ. IN.)
4 1 4 1 6 O^12
5 1 5 1 8 0.15
6 1 6 1 B 1 0.18
GRADE RING
MINAREA OF STEEL
IS 6.07 in.2
ECCENTRIC CONE '
LOCATE WALL REINFORCEMENT
IN MIDDLE THIRD OF WALL
'T, 1" MI',N. USE MIN" AREA OF STEEL IN TOP
CLR. SLAB OF #4'S @ B" CTS.
EACHWAY/EACH FACE *.
FLAT TOP SLAB
FRAME AND GRATES ...STD. NO.
TRAFFIC BEARING 840.37
ADDITIONAL #4 EACH
SIDE OF OPENING (1" NGNTRAFFIC BEARING: 840.22 ADDITIONAL #4 EACH
CLEAR OF BOTTOM FACE 840.24 SIDE OF OPENING (1"
PLACE BARS DIAGONAL 840.20 CLEAR OF BOTTOM FACE)
TO CORNERS (TYP.) 840.29
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A
RISER
SEE STD. 840.54
FOR MANHOLE
RING AND COVER
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" MAX. SPACING
OF CIRCUM. R/F
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STEP STD.
NO., 840.66
As
(CIRCUMFERENTIAL
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LONGITUDINAL
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REINFORCED CDNC
FIG. (SEE STD.
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USE MINI. AREA OF STEEL
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IN BASE SLAB OF
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in PER LINEAR _ _____,
FOOT EACH WAY
TYPICAL MANHOLE SECTION
SOLID COVER SHOWN PERFORATED. PERFORATED AVAILABLE
IF SPECIFIED..
STATE USE OF SYSTEM ON COVER
(I.E.: SEWER, STORM DRAIN, ELECTRICAL)
TOP OF COVER
B
BOTTOM' OF COVER
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SECTION B-B
MINIMUM WEIGHTS - LBS.
FRAME - 180
COVER 120
TOTAL - 300
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NOTES:
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INSTALL ALL STEPS PROTRUDING 4
FROM INSIDE FACE OF STRUCTURE WALL.
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STEPS DIFFERING YN DIMENSIONS CONFIG URATION, OR MATERIALS FROM THOSE SHOWN MAY ALSO
BE USED PROVIDED THE CONTRACTOR
HAS FURNISHED
F-
F--+
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
SHEET 1 OF 1$40
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SECTION A_A
ELEVATION
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REGIONAL AIRPORT
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AVCON INC.
ENGINEERS& PLANNERS
13801 REESEBLVD, SUITE 160
HUNTERSVILLE, NC 28078
OFFICE: [phone]
--coninc.com
ULICK ENGINEERING LLC
STORKIWATER I HYDRALLICS I EROSION CONTROL
NRF ELD 4 CIVIL SITE i CONSTRLICTIOI, SER7CES
NOT RELEASED FOR
CONSTRUCTION
`A1k111111111177,r,rr��
SEAL
040195r
�frr771 r I I I I r 5 atio
DAVID A. SKURKY, P.E.
NC SEAL #040195
ATTENTION:
THIS DOCUMENT CONTAINS PRIVILEGED AND PROPRIETARY
INFORMATION, ALL OF WHICH IS EXPRESSLY PROVIDED BY AVCON, INC.,
FOR USE BY THE INTENDED RECIPIENT, AND FOR A SPECIFIC PURPOSE.
WITHOUT THE EXPRESS WRITTEN CONSENT OF AVCON, INC. ANY
DISTRIBUTION, REPRODUCTION, OR OTHER USE OF THIS DOCUMENT, IN
WHOLE OR IN PART, IS STRICTLY PROHIBITED
SCALE: N.T.S.
REVISIONS:
DESIGNED BY: W.M.M.
DRAWN BY: W.M.M.
CHECKED BY: D.A.S.
APPROVED BY: D.A.S.
DATE: SEPTEMBER 2021
STATE LICENSE # N.C. P-1430
PROJECT NO. 400102
SHEET NUMBER
SW-04