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I. TYP.
• WHICH WAS AS -BUILT BY AHBL , AND MAY INCLUDE
LOCATIONS, ELEVATIONS, DEPTHS, PIPE SIZES, AND
AS -BUILT COMMENTS, ACCURATELY REFLECTS EXISTING
FIELD CONDICTIONS AS DETERMINED BY ME OR UNDER MY
Know what's beIOW. DIRECT SUPERVISION ON THIS DATE: 11/7/2019.
Call before you dig. AHBL PROJECT NO.2180059
P-129,70LF O
�CB 07 O
9
/ P - 133, 77 LF O8
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1 PIN
/07/2019
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TA C O M A• SEATTLE • SPOKANE •TRI-CITIES
1200 6th Avenue, Suite 1620 Seattle, WA 98101 I NO.
206.267.2425 TEL 206.267.2429 FAX www.ahbl.com wEE
Pipe Table
PIPE NAME
SIZE (in)
UPPER
INVERT
ELEVATION
SLOPE
P - 90
4
352.57
2.84%
P - 91
4
352.76
2.18%
P - 92
4
352.92
1.43%
P - 93
4
353.08
1.01 %
P - 94
4
353.28
0.72%
P - 95
4
353.47
0.78%
P - 96
4
353.64
0.81 %
P - 97
4
353.84
0.88%
P - 98
4
354.05
1.00%
P - 99
4
354.25
1.12%
P - 100
4
354.42
1.26%
P - 101
4
354.50
1.29%
P - 102
4
354.51
1.15%
P - 103
4
354.57
1.15%
P - 104
4
354.64
1.17%
P - 111
4
354.60
1.08%
P - 112
4
354.57
1.16%
P - 113
4
354.54
1.19%
P - 114
4
354.51
1.23%
P - 115
4
354.33
1.1 1 %
STORM STRUCTURE TABLE
STRUCTURE NAME
STRUCTURE DETAILS
CB 05
RIM =2-
48" TYPE 2 CB
IE
=349.95-(8" E)
N 187170.87
IE =395
(8" SW)
E 1306773.24
IE
=349.95-(8" W)
CB 06
RIM =354.17
54" TYPE 2 CB
IE=346.99-(36"
SW)
N 187129.26
IE
=347-95 (8" NE)
E 1306689.88
RIM = 354.19
CB 07
IE
=352.99 (8" SE)
48" TYPE 2 CB
IE
=352+7 (4" SE)
N 187162.12
IE=352-1-(4"
SW)
E 1306842.53
IE
=352.99 (8" S)
IE
=362.99 (8" W)
CB 08
CB TYPE 1
RIM = 853.49-
N 186925.91
IE=349.29-(8"
SW)
E 1306875.15
LEGEND:
■ STORM CATCH BASIN
Q■ STORM MANHOLE
® DETENTION TANK ACCESS RISER
GRADE BREAK
D STORM LINE
PERFORATED PIPE STORM LINE
DETENTION TANK 1 2
C3.4 C3.4
XXX CONTOUR LINE
PROPERTY/RIGHT-OF-WAY LINE
FLOW DIRECTION
n ADS N-12 S-P, 4" CAP
N GRAPHIC SCALE
0 10 20 40
I=i mmllll -
1" = 20 FEET
Pipe Table
PIPE NAME
SIZE (in)
UPPER
INVERT
ELEVATION
SLOPE
P - 116
4
354.12
0.95%
P - 117
4
353.90
0.84%
P - 118
4
353.63
0.70%
P - 119
4
353.50
0.69%
P - 120
4
353.49
0.78%
P - 121
4
353.09
0.59%
P - 122
4
352.97
0.50%
P - 123
4
352.98
0.50%
P - 124
4
353.00
0.50%
P - 125
4
353.01
0.50%
P - 128
8
354.51
1.24%
P - 129
8
352.00
2.94%
P - 133
8
352.38
0.50%
P - 137
8
350.08
1.22%
P - 138
8
349.95
2.15%
P - 139
36
345.00
0.00%
P - 169
8
350.50
1.14%
RIM = 354.21
IE = 349.89 (8" E)
IE = 349.89 (8" SW)
IE = 349.89 (8" W)
RIM = 354.35
IE = 344.89 (36" SW)
IE = 347.73 (8" NE)
IE =
351.94 (8" SE)
IE =
352.09 (4" SE)
IE =
352.09 (4" SW)
IE
= 351.94 (8" S)
IE =
351.94 (8" W)
RIM = 353.20
IE
= 350.85 (8" SW)
CONSTRUCTION RECORD DRAWINGS
SURVEYED:
DESIGNED:
STORM DRAINAGE REVISIONS AMT 09/20/2019 ACB DRAwN. AMT
ALTERNATE BID NO. 1: SOCCER FIELD IMPROVEMENTS AMT 01 28 2019 ACB CHECKED:
Bis
REVISION BY DATE APPR APPROVED:
WJF
SCALE:
AS SHOWN
ONE INCH
AT FULL SCALE
IF NOT ONE IN
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL NAD 1983/1991
DATU M
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\\\\ \\\\\ \
CITY OF
1;R] RENTON
NUF
Planning/Building/Public Works Dept.
KEYNOTES:
OWITH
TYPE 1 CATCH BASIN
HERRINGBONE
1
2
O
GRATE
C3.5
C3.6
TYPE 1 CATCH BASIN
1
1
O
WITH SOLID COVER
C3.5
C3.6
O
TYPE 2 CATCH BASIN
2
2
O3
WITH HERRINGBONE
C3.5
C3.6
O
GRATE
O
TYPE 2 CATCH BASIN
WITH ROUND SOLID LID
2
3
C3.5
C3.6
10
FLOW CONTROL
1
O5
MANHOLE
C3.8
11
COLLECTOR DRAIN
2
OCLEANOUT
C3.9
4" PERFORATED 3
UNDERDRAIN, TYP. C3.9
8" COLLECTOR DRAIN 4
C3.9
CONNECTION TO
COLLECTOR 1
DRAIN, TYP. C3.9
DETENTION TANK 4
ACCESS RISER, TYP. C3.8
CONVEYANCE PIPE
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NOTES:
1. SEE SHEETS C3.5 FOR GENERAL STORM DRAINAGE NOTES.
2. CONTRACTOR SHALL FIELD VERIFY EXISTING INVERT
ELEVATION PRIOR TO CONSTRUCTION WHERE NOTED.
3. UNDERDRAIN LINES SHALL BE ADS N-12 S-P AND ARE
DESIGNED TO MAINTAIN A MINIMUM 18" DEPTH FROM FINISH
GRADE.
4. ALL CONVEYANCE PIPE SHALL BE PVC. MINIMUM REQUIRED
O
COVER FOR PVC PIPE IS 3 FEET.
OO
5. ALL COLLECTOR PIPE SHALL BE ADS N-12 S-P.
00
6. ALL DETENTION TANK SHALL BE ALUMINIZED TYPE 2, MEETING
SECTION 5.1.2 OF THE CITY OF RENTON SURFACE WATER
DESIGN MANUAL.
7. PROVIDE CDF ABOVE THE EXISTING WATERLINE PER DETAIL 6
ON SHEET C3.9.
ALL PROPOSED PIPE SHOWN ON THIS
SHEET WILL BE PRIVATE
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R-40281 1
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IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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McKNIGHT MIDDLE SCHOOL
DA1/15/2019
~
=
FIELD IMPROVEMENTS
FlELDBOOK:
RENTON SCHOOL DISTRICT
PAGE
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DRAVANG NO:
z
C3.1
DRAINAGE PLAN
SHEET:1 1 OF.