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GRAVEL REPLACEMENT AREA
(TYPICAL)
PLACE APPROX. 1 TO 2 CY OF
CLEAN GRAVEL
SEE SECTION VIEW
DETAIL 1 - GRAVEL PLACEMENT
NOT USED FOR 2009
EX. SHRUBS AND CUTTINGS
PLANTED BY CITY
G RA\
(TYPI
PLAC
OF C
SEE;
EX. LOG DROP (TYPICAL)
(EL REPLACEMENT AREA / B
CAL) /
E APPROX. 1 TO 2 CY
_EAN GRAVEL /
SECTION VIEW /
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DETAIL 2 - GRAVEL PLACEMENT
NTS
NOTE D - CONTRACTOR MAY NEED TO REMOVE
APPX 3' to 4' WIDTH OF SHRUBS / BLACKBERRIES
TO ACCESS CREEK AT EACH LOCATION.
REVIEW ANY CLEARING WITH THE CITY BEFORE
PROCEEDING. DO NOT CUT DOWN TREES.
EX. TREES AND
SHRUBS /
WATER DEPT VARIES
2" TO 6" (TY CAL)
WEST BANK II I EAST BANK
OHV
V_... —
�` — --.777= --
�= ORIGINAL GRAVEL LAYER
APPROX. 12" THICK
GRAVEL REPLACEMENT H VARIES ERODED GRAVEL LEVEL
6" THICK (APPROX.) 5' 8' TYPICAL (APPROX.)
1 TO 2 CY OF CLEAN GRAVEL
GRAVEL REPLACEMENT SPEC. GR EL PLACEMENT
IN HIGH FLOW AREA FROM S IMENT 1. GF EL SHALL BE PLACED ABOVE THE
BASIN TO FLOW SPLITTER WA LINE ON THE WEST BANK OF THE
SIZE Percent Finer by ight CREE Y MACHINE.
12" - 9" 100 - 70°/O 2. GRAVEL HALL BE SPREAD BY HAND
9" - 6" 70 - 40% SHOVEL ER THE WIDTH OF THE CREEK.
6" - 3" 40 - 200 3. THE CITY Y REVIEW AND ADJUST
<1" 2 /O GRAVEL PLA MENT AS NEEDED FOR
1 /4" % EACH LOCATI
DETAIL 1
TYPICAL SECTION A -A NTS
1 /FWNCREASED HIGH FLOW GRAVEL SIZE 5/22/08
RECOMMENDED
FOR APPROVAL
BY Daniel Carey 6/11 /09
BY
POOL 18" - 24" DEEP
DO NOT FILL POOL
WITH GRAVEL
EX. LOG DROPS
WITH FLOW NOTCH
FLOW
—i OHWL
/r v
NTS
LENGTH VARIES WATER DEPTH VARIES
3' TO 6' TYPICAL /_4" TO 6" (TYPICAL)
ORIGINAL GRAVEL LAYER
12"THICK
EX. LARGE
5' ERODED GRAVEL LEVEL
RIP -RAP LONG (APPROX.)
GRAVEL REPLACEMENT
6" THICK (APPROX)
1 TO 2 CY OF CLEAN GRAVEL
GRAVEL REPLACEMENT SPEC. GRAVEL PLACEMENT
IN LOW FLOW AREA 1. ONLY SMALL SOFT TIRED VEHICLES SHALL
BELOW FLOW SPLITTER * DELIVER GRAVEL ON GOLF COURSE
SIZE Percent Finer by Weight (SUCH AS BOBCATS, GOLF CARTS, WHEEL BARROWS)
4" 100 - 75% 2. GRAVEL SHALL BE PLACED AT TOP OF WEST BANK ONLY.
2" 75 - 30% 3. GRAVEL SHALL BE CARRIED DOWN BANK IN BUCKETS
1" 30 - 0% AND SPREAD BY HAND SHOVEL OVER THE WIDTH
#10 0% OF THE CREEK.
4. THE CITY MAY REVIEW AND ADJUST GRAVEL
PLACEMENT AS NEEDED FOR EACH LOCATION
A90 9 �P�o
ss/ONAlE�4\
E*)IRES 10/1612o0q
DETAIL 2
TYPICAL SECTION B-B NTS
REVISION
\�® '
mmm�M___ �
1 8TH TEE -
0 10 /P\
- / \
NO MACHINE ACCESS \
Scaler 1 Inch = 10 Feet J
ON THIS SIDE \\
ALLOWABLE ACCESS TO SPLITTE
i
CONSTRUCT TEMP SANDBAG AND PLASTIC BERM % FOR SEDIMENT REMOVAL
TO DIVERT. FLOW AWAY FROM .CLEANING AREA /
I RESTORE BANK AFTER CLEANING
FILTER FABRIC
AT ENTRANCE
IFNEEDED /� C /\ LIMITED ACCESS TO SPLITTER
ON THIS
1 ' RESTORE BAN I -A
CLEANING.
R
\ I
CLEANING. \
Tj
REMOVE ACCUMULATED SEDIMENT
APPROX 2 TO 3 FE\ DEEP
/.
1 1
LA
SEE 1996 PLANS FOR FLOW SPLITTER
DETAILS AND CROSS—SECTION
MAPLEWOOD CREEK
CHANNEL
OVERFLOW CHANNEL
(DRY)
DETAIL 3 -FLOW SPLITTER CLEANING (NTS)
TYPICAL SECTION THRU MIDDLE OF POND, WEST -EAST
(NTS, VERTICAL DISTORTED)
SCALE:
vERTlcu: NAw 1988 _
AS NOTED .HORIZONTAL• NAD 1983/1991 ;i C ( 1 O C
2009 Cleaning
RENTON MAPLEWOOD CREEK SEDIMENT BASIN
ONE INCH DATUM CLEANING & MAINTENANCE PROJECT
AT FULL SCALE
Planning/Building/Public Works Dept. DETAILS
IF NOT ONE INCH
SCALE ACCORDINGLY
DATE:
6/10/09
FIELDHOOK:
PAGE:
DRAWING W.
SHEET: OR
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