HomeMy WebLinkAboutR-402819BASE & ROOT SAND
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VARIES
SEE PLAN FOR I.E.
cg2"
-
GEOTEXTILE FABRIC _
\
COMPACTED
/
SUBGRADE
i
6-0"
NOTES:
1. SLOPE LAST 5' OF 4" PERF. PIPE TO
MAKE CONNECTION TO TIGHTLINE.
2. BACKFILL TIGHTLINE TRENCH W/ PEA
GRAVEL IN SAME MANNER AS PERF.
PIPE TRENCHES.
3. (2) TWO WRAPS OF DUCT TAPE
REQUIRED AT ALL CONNECTIONS.
4. SEE SPECIFICATIONS FOR ADDITIONAL
INFORMATION.
CONNECTION T
NOT TO SCALE
4" OF ROOT ZONE SAND
8" OF CLEAN DRAIN SAND
30% VOID GRAVEL
91,
FINISH GRADE
1/8"X3/8" PEA GRAVE BACKFILL
GEOTEXTILE FABRIC
4" ADS PERF. PIPE
ALT. CONNECTION WHERE
INVERT ELEVATION ALLOW.
VARIES 90 DEG. ELL. W/90 DEG.
REDUCING SNAP TEE.
ADS N-12 S-P COLLECTOR
DRAIN SIZE AS PER PLAN
90 DEG. REDUCING SNAP
TEE OR 45 DEG. SNAP Y
AND REDUCING COUPLING
AS REQUIRED. (NO SADDLE
TEES)
SEE PLAN FOR
COLLECTOR INVERT
ELEVATION. (C.I.E.)
2" DEPTH MIN. DEPTH
PEA GRAVEL BENEATH
PIPE (TYP.)
O COLLECTOR DRAIN
NOTE: REFER TO
SPECIFICATIONS FOR
ADDITIONAL INFORMATION
ADS N-12 S-P
TIGHTLINE (8")
COLLECTOR
DRAIN AS PER
PLAN
o\\ o \
24"
rA'* *, - 8" COLLECTOR DRAIN
NOT TO SCALE
GEOTEXTILE FABRIC
12" MIN.
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AS -BUILT
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I CERTIFY THAT THE INFORMATION SHOWN HEREON
"IONALgE�
_
WHICH WAS AS -BUILT BY AHBL , AND MAY INCLUDE
1/07/2019 0
LOCATIONS, ELEVATIONS, DEPTHS, PIPE SIZES, AND
AS -BUILT COMMENTS, ACCURATELY REFLECTS EXISTING
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FIELD CONDICTIONS AS DETERMINED BY ME OR UNDER MY
ALTERATION OF THIS DOCUMENT SHALL INVALDATE THE
PRMMN& SEAL Ale Swum PUMTOOF
Know what'sbeloW.
DIRECT SUPERVISION ON THIS DATE: 11/7/2019.
THIS DOCUMENT DOES NOT OEROGAIE FROM RESERVED
0011ERSHP WIM IN ff. THIS DOMUNT �
TACOMA SEATTLE•SPOKANE•TRI-CITIESOWY
1
Call before you dig.
AHBL PROJECT NO.2180059
FM THE PRUM MTIFB IN THE
AND IS NOT TO BE USED FOR REPAR, REMODEL OR
ADDIM TO THAT MMCT OR FOR ANY DTHER PROMEDL
1200 6th Avenue, Suite 1620 Seattle, WA 98101
NO.
206.267.2425 TEL 206.267.2429 FAX www.ahbl.com WEB
NOTES:
8" PVC PIPE
1. ALL TRENCHES SHALL BE COMPLETELY CLEAR OF ROCKS, DIRT
FEMALE CLODS, ETC. AND SHALL HAVE A SMOOTH BOTTOM, SLOPED AS
ADAPTER WITTHH TTHRHREAA DED PLUG DESIGNED PRIOR TO LAYING PIPE. ALL TRENCHES SHALL BE
FINISH GRADE INSPECTED BY OWNER REPRESENTATIVE PRIOR TO BACK
PLACE LOCATE WIRE AT ENDS FILLLING.
OF ALL CLEANOUTS AND CAPS �I ' �''' �"YID"'YI�I'1° "�'''�"'YI�''ul�"1°I� �I'' '�I''P �'''Y"'Iu„Iul�l, ICI'' �I'' '�''I 2. SEE SPECIFICATIONS FOR ADDITIONAL INFORMATION.
FINI H RADE S G
6"
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....:....., ..... .:. ROOT SAND
4
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BASE SAND
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° $ 8"
PVC RISER LENGTH AS REQUIREDOU
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PVC 45 CONNECTOR ° oo ° ° ° /\\�� ° s ° og °°
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PVC PIPE ° ° o° °°o ° \ e° °°°°°
\/ PEA GRAVEL BACKFILL °g ° ° o°®oo 6" MIN.
00 0 ° °° ° \\\�\\\ 0° q5 8
° ° ° a o o'0 /\ GEOTEXTILE FABRIC °°oO
° /\\\/\ 4" ADS N-12 PERF. PIPE
2" MIN (PLACE PERFORATIONS DOWN)
°° ° °° ° °° °° /\�� 1 /8" x 3/8" PEA GRAVEL BACKFILL 12"
ADS N-12 S-P COLLECTOR \/\\\j\\ \\\/ FIRM TRENCH SIDES WITH NO
DRAIN AS PER PLAN 12" LOOSOFTEMATERIAL ON BOTTOM
NOTE: \\
NCH
CORRUGATED PIPE TO 1. SEE SPECIFICATIONS
PVC PIPE ADAPTER FOR ADDITIONAL
INFORMATION.
COLLECTOR DRAIN CLEANOUT
NOT TO SCALE
RIM PER PLAN
INTEGRATED DUCTILE IRON
GRATE TO MATCH BASIN O.D.
SEE NOTE 2.
I
DEPTH TO INVERT
VARIES PER PLAN
IE PER PLAN
ADAPTOR FOR 8" PVC PIPE —/
BY DRAIN MANUFACTURER
WATERTIGHT JOINT
BY DRAIN MANUFACTURER
GRAVEL BACKFILL FOR
DRYWELLS PER WSDOT
SPEC. 9-03.12(5)
V MIN SUMP —J 6" MIN
4" PERFORATED UNDERDRAIN
NOT TO SCALE
3 NEW PERFORATED
C3.9 UNDERDRAIN AS PER
PLAN
... ....:.... ...::
V \/j SUITABLE NATIVE, PER
BEARING PAD PER WSDOT SPEC. \\ \\ SPECIFICATIONS
9-03.12(5). BEDDING & BACKFILL \ ,.
12" FOR SURFACE DRAINAGE INLETS 5' MIN. 5' MIN.
SHALL BE PLACED & COMPACTED (TYP) (TYP) 4" THICK CDF
UNIFORMLY TO 95% MINIMUM. (6 ))
1. AREA DRAIN SHALL BE NYLOPLAST DRAIN
BASIN WITH FLAT GRATE OR APPROVED
ALTERNATIVE.
2. GRATES SHALL BE DUCTILE IRON PER ASTM
A536 GRADE 70-50-05.
3. DRAIN BASIN TO BE CUSTOM MANUFACTURED
ACCORDING TO PLAN DETAILS.
4. DRAINAGE CONNECTION STUB JOINT
TIGHTNESS SHALL CONFORM TO ASTM D3212
FOR PVC SEWER.
5. MANUFACTURER TO PROVIDE ADAPTERS FOR
CONNECTING PIPES TO AREA DRAIN AT
ANGLES SHOWN ON PLAN.
6. GRATES HAVE NO LOAD RATING. DO NOT
DRIVE VEHICLES ON GRATES.
AREA DRAIN.
NOT TO SCALE
CONSTRUCTION RECORD DRAWINGS
SURVEYED: SCALE: VERTICAL: NAVD 1988
AS SHOWN HORIZONTAL: NAD 1983/ 1991
DESIGNED:
STORM DRAINAGE REVISIONS AMT 09/20/2019 ACB DRAW AMT
ONE INCH DATU M
ALTERNATE BID NO. 1: SOCCER FIELD IMPROVEMENTS AMT 01 28 2019 ACB CHECKED: AT FULL SCALE
BJS IF NOT ONE INCH
REVISION BY DATE A P P R APPROVED: SCALE ACCORDINGLY
WJF
EXISTING WATER MAIN
0[61112
PLACE 4" CDF ALONG THE ENTIRE LENGTH OF THE EXISTING WATER MAIN
LOCATED BELOW THE PROPOSED PERFORATED UNDERDRAINS AND
COLLECTOR PIPES.
EXTEND THE CDF 5 FEET BEYOND THE LIMITS OF THE UNDERDRAINED FIELD.
WATER MAIN PROTECTION
NOT TO SCALE
CITY OF
I-%w0R_.,JW RENTON
Planning/Building/Public Works Dept.
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R-402819 a
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IN COMPLIANCE WITH CITY OF RENTON STANDARDS O
McKNIGHT MIDDLE SCHOOL
FIELD IMPROVEMENTS
RENTON SCHOOL DISTRICT
UNDERDRAIN DETAILS
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DATE:
1/15/2019
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