HomeMy WebLinkAboutTED4001807.2r
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STORM WATER DRAINAGE
NOTE$
1.
BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY
11.
Structures shall not be permitted within 10 feet of
OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH
the spring line of any storm drainage pipe, or 15 feet
THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN
from the top of any channel bank.
ENGINEER.
12.
All catch basin grates shall be depressed 0.10 feet
2.
All construction shall be in accordance with the
below pavement level.
Latest Edition of "Standard Specifications for Road,
Bridge and Municipal Construction" prepared by
W.S.D.O.T., and the American Public Works Association
13.
Open cut road crossings thru existing public right-of-
(APWA), as adopted by the City of Renton Department -of
way will not be allowed unless specifically approved
Public Works.
by City of Renton Dept. of Public Works, Design
Engineer.
3.
The storm drainage system shalt be constructed
according to the approved plans which are on file in
14.
Rock for erosion protection of roadside ditches, where
the Department of Public Works. Any deviation from
required, shalt be of sound quarry rock placed to a
the approved plans will require written approval from
depth of 1 foot and must meet the following
the City of Renton Department of Public Works, Design
specifications: 0-81+/40%-70% passing; 2"-4" rock/30%-
Engineer or Storm Water Utility .
40% passing; and -2" rock/10%-20% passing.
4.
A copy of these approved plans must be on the job site
15.
Ail building downspouts and footing drains shalt be
whenever construction is in progress.
connected to the storm drainage system, unless
approved by the Dept. of Public Works, Design Engineer
or Storm Water Utility. M accurately dimensioned
5.
Datum shaft be U.S.G.S. unless otherwise approved by
Certified as built drawing of this drainage system
City of Renton Department of Public Works. Reference
wilt be submitted to the City of Renton upon
benchmark and elevation are noted on the plans.
completion.
6.
Alt sedimentation/erosion facilities must be in
16.
Issuance of the Building or Construction Permit by the
operation prior to clearing and building construction,
City of Renton does not relieve the owner of the
and they must be satisfactorily maintained until
continuing legal obligation and/or liability connected
construction is completed and the potential for on-
with storm surface water disposition. Further, the
site erosion has passed.
City of Renton does not accept any obligation for the
proper functioning and maintenance of the system
1
provided during construction.
7.
All retention/detention facilities must be installed
and in operation prior to or in conjunction with sit
construction activity unless otherwise approved by the
17.
The Contractor shall be responsible for providing
Department of Public Works, Storm Water Utility.
adequate safeguard, safety devices, protective
equipment, 41aggers, and any other needed actions to
protect the life health, and safety of the public, and
8.
Grass seed may be applied by hydroseeding. The grass
to protect property in connection with the performance
seed (mixture, other than City of Renton approved
of work covered by the contract. Any work within the
standard mixes, shalt be submitted by a landscape
traveled right-of-way that may interrupt normal
Architect and approved by the Dept. of Public Works,
traffic flow shalt require an approved -traffic control
Storm Water Utility.
plan by the Traffic Engineering Div. of the Dept. of
Public Works. All sections of the W.S.D.O.T. Standard
Specifications 1-07.23, Traffic Control, shalt apply.
9.
Alt pipe and appurtenances shall be laid on a
property prepared foundation in accordance with
18.
Special .drainage measures will be required if the
Section 7-02.30) of the current State of Washington
project location is within the aquifer protection
Standard Specification for Road and Bridge
area.
Construction. This shalt include necessary leveling
of the trench bottom or the top of the foundation
material as welt as placement and compaction of
required bedding material to uniform grade so that the
entire length of the pipe will be supported on a
uniformly dense unyielding base. ALL pipe bedding
shall be APWA Class 'C', with the exception of PVC
pipe. ALL trench backfitl shall be compacted to
minimum 95% for pavement and structural fill and 90%
otherwise per ASTM D-1557.70. Pea gravel bedding
shalt be 6" over and under P.V.C. pipe.
10.
Galvanized steel pipe and aluminized steel pipe for
all drainage facilities shall have asphalt treatment
01 or better inside and outside.
T&0
oft
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CRATE
P,AISE OAFFLE TO THE
BOTTOM OP L10 AS SHOWN
FLOW DIFFUSER OIL RETENTION;'
(1 arr1 r MArr1 r
INLET
OUTLET
1,570 GALLON CAPACITY AT 4'-0" WATER LEVEL
PLAN
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'TYPE .TT, 70 Ql w/LIxKI ��
j �IZANI E � 1v17��1�
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PLAN TYPE SECTION "A -A"
O E TA / [_ = CA TC H )3ASIN Z, TYPE Zr 7
SCALES C#2/"=0,CV) .0
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(CONNG. D
11
RECOMMLNAb
FOR APPROVAL
STD M W,4TER C/TIL/TY
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FOR 5106 VAULT
NO. 5106 - ZX
4.I6:
FLOW DIFFUSER
BAFFLE \
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SLUDGE WEIR ' W
t
: OIL RETENTION
y BAFFLE
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CO E
MINIMUM e20 DAY COMPRE55IVE STRENCaTW- FG4000 PSI.
DESIGN IN ACCORDANCE W/ (JCL 5Z5&5 "MINIMUM'. R LUIREMEXn5
FOR 71411M SECTION PRECAST CONCQETE C0W5TRUCTI0N.
2.'•0" REINFORCF-MENT:
DEFORMED e4RS IN XCORDANr_E W/ASTM. ,&15 C5 GRADE 40,
24" EXTENSION ' WELDED WIRE FABRIC IN ACCORDALICE W/A52-6do � A155-1�1
FOR 5106 VAULT DESIGN LOADS =
No. X
3180 j GALVANIZING :
lI b bs. s. ` �
ALL FABRICATtO STEEL rFEM5 FK.EPT REINFORCING.TOBE
L40T DIPPED GALVAUIZED AFTER FA6RICATI0N,COIJF0RMIrQG
TO SPECI FICATIOWS ASTM AZ&4,A335,A38�,, r; A125.
OIL WATER SEPEAATOR NO. 001 TYPE 6/06 SA UTILITY VAULT_
NO SCALE
Note:
L Driveway can to reduced to a
thickness a 6 when a 10 gage
wire mesh 3 square pattern is used
Z Where driveway exceeds 16'In wldth a 2"
dummy joint shall be placed longitudinal►/
along 1E.
)ANSION JOINT
EXPANSION JOINT (TYP.)
EXPANSION JOINT (TYP.)
See 'City Of Renton' Standard /2I //'
Detail For Depressed Driveway EXPANSION JOINT AC. PVM7.
Curb a Gutter -Type 0
10% MAX. SLOPE r•
SECTION A -A
DETAIL: CONCRETE ORI VEWAY
NO $CAGE
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MIN.
r7RASS - L 1 NEO SWALE = SECTION ""II - II "
NO SCALE
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PLACED SIDE E5-f SIDE
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NO SCALE
EXIST.
CEM. CONC. CURB 5 GUTTER
1/2"X 4" EXPANSION
MATERIAL
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DRAWN BY. CHECKED BY
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ifs19A O.LN!- J. 1•W_
Z_ `� - 7D >:.. DATE.
4 _ /t/. T. S - /0 -11 -9 0
CALL 46 HOURS
BEFORE YOU DIG 9 0 13 5.04
1-01000-4.24-5555
SHEt, 1A 7
SCANNED MAR 2 8 ;,��s
8 -3 -3 7