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A'po CIS �'
ORN
BUSH, ROED & HITCHINGS, INC.
LAND SURVEYORS & CIVIL ENGINEERS
2009 MINOR AVE. EAST
SEATTLE, Washington
98102-3513
(206) 323-4144
1-800-935-0508
FAX# (206) 323-71 35
mI
REVISION
310;
I�
11
MONOWFv
iiR*�4 FILTER FABRIC
O -'- 6" OR 8" PERFORATED PVC
2.00' 142" TO Y4" WASHED ROCK
MIN
PERFORATED PIPE CONNECTION
N.T.S.
a
FRAME & COVER PER
STD PLAN NO 280 GRADE
2'-6" X V-0"
CONC PAD
12"DIA DIP, 12" LONG
o FIBER JOINT PACKING
�6"MINERAL AGGREGATE
TYPE 2
NOTE:
USE LOCKING CLEAN -OUT IN ROW.
DRILL AND TAP, APPLY ANTI -SEIZE
COATING AND BOLT DOWN WITH %"S.S.
ALLEN-HEAD BOLTS -2 PLACES.
NOTE TO CONTRACTOR:
-1/8 BEND BRASS TOPPED PVC
CLEANOUTS MAY BE
PERMITTED IN LIEU OF CAST
IRON IN NON TRAFFIC AREAS.
CONTRACTOR TO CONFIRM
PRODUCT AND LOCATIONS
WITH ENGINEER.
i PLUG SHALL BE SEALED
I' IN SAME MANNER AS
MAIN SEWER JOINTS
CLEAN OUT
N.T.S.
AMENDED SOIL QUALITY NOTES:
NEW LANDSCAPED AREAS SHALL HAVE AMENDED SOILS DEMONSTRATING THE FOLLOWING:
1. A TOPSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT OF 10% DRY WEIGHT IN BEDS, AND
5% ORGANIC MATTER CONTENT IN TURF AREAS, AND A pH FROM 6.0 TO 8.0 OR MATCHING THE pH
OF THE UNDISTURBED SOIL. THE TOPSOIL LAYER SHALL HAVE A MINIMUM DEPTH OF EIGHT INCHES
EXCEPT WHERE TREE ROOTS LIMIT THE DEPTH OF INCORPORATION OF AMENDMENTS NEEDED TO MEET
THE CRITERIA. SUBSOILS BELOW THE TOPSOIL LAYER SHOULD BE SCARIFIED AT LEAST 4 INCHES WITH
SOME INCORPORATION OF THE UPPER MATERIAL TO AVOID STRATIFIED LAYERS, WHERE FEASIBLE.
2. MULCH PLANTING BEDS WITH 2 INCHES OF ORGANIC MATERIAL.
3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CONTENT REQUIREMENTS:
a. THE ORGANIC CONTENT FOR "PRE -APPROVED" AMENDMENT RATES CAN BE MET ONLY USING
COMPOST MEETING THE COMPOST SPECIFICATION FOR BIORETENTION (REFER TO SECTION C.2.6)
WITH THE EXCEPTION THAT THE COMPOST MAY HAVE UP TO 35% BIOSOLIDS OR MANURE. THE
COMPOST MUST ALSO HAVE AN ORGANIC MATTER CONTENT OF 40% TO 65%, AND A CARBON
TO NITROGEN RATIO BELOW 25:1. THE CARBON TO NITROGEN RATIO MAY BE AS HIGH AS 35:1
FOR PLANTINGS COMPOSED ENTIRELY OF PLANTS NATIVE TO THE PUGET SOUND LOWLANDS
REGION.
b. CALCULATED AMENDMENT RATES MAY BE MET THROUGH USE OF COMPOSTED MATERIAL MEETING
"A)" ABOVE; OR OTHER ORGANIC MATERIALS AMENDED TO MEET THE CARBON TO NITROGEN
RATIO REQUIREMENTS, AND NOT EXCEEDING THE LIMITS IDENTIFIED IN TABLE 220-B, TESTING
PARAMETERS, IN WAC 173-350-220.
4. THE RESULTING SOIL SHOULD BE CONDUCIVE TO THE TYPE OF VEGETATION TO BE ESTABLISHED.
NOTES:
1. PROPOSED LANDSCAPING SHALL HAVE AMENDED SOIL PER SECTION
C.2.13 OF THE RENTON SWDM. SEE LANDSCAPE PLANS FOR DETAILS.
SURVEYED:
JMH
DESIGNED:
ZJE
DRAWN:
ZJE
CHECKED:
TFD
BY DATE AP P R APPROVED:
TFD
SCALE:
AS SHOWN
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVE) 1988
HORIZONTAL: NAD 1983/1991
DATU M
CITY OF
RENTON
Planning/Building/Public Works Dept.
AS -BUILT CERTIFICATION:
I HEREBY CERTIFY THAT THE HORIZONTAL AND VERTICAL LOCATION OF
THE STORM DRAINAGE STRUCTURES AND THE HORIZONTAL LOCATION
OF THE WATER SURFACE FEATURES SHOWN HEREON AND SHOWN IN
BOLD IS THE RESULT OF A FIELD SU PERFORMED BY ME OR
UNDER MY RECTION.
TEE) DIMOF, P.E,iI 0. 324
12/6/18
DATE
THE ENGINEER OF RECORD CERTIFYING THESE RECORD DRAWINGS HAS
NOT WITNESSED ALL ELEMENT OF CONSTRUCTION AND IS NOT
RESPONSIBLE FOR ERRORS OR OMISSIONS IN DATA PROVIDED BY THE
CONTRACTOR OR THE SURVEYOR OF RECORD.
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
GRADING AND DRAINAGE PLAN
US BANK EXPANSION
2500 EAST VALLEY ROAD
RENTON, WASHINGTON 98057
STRADA DA VALLE
DATE:
12/6/2018
FIELDBOOK:
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R-396707