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GENERAL NUTE5:
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1. SEE BT120-CDD501-504 SHEETS FOR DRAINAGE DETAILS.
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2. SEE BT120-CRY101-105 SHEETS FOR TYPICAL ROADWAY
SECTIONS.
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3. SEE BT120-CSP101-107 SHEETS FOR SITE PREPARATION
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PLANS.
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4. SEE BT120-CPP101-107 SHEETS FOR PAVING PLANS.
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5. SEE BT120-UCP101-205 SHEETS FOR EXISTING STORM
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STRUCTURES/PIPES REMOVAL, AND UTILITIES PLANS.
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6. EXISTING FACILITIES TO BE PROTECTED -IN -PLACE
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UNLESS OTHERWISE NOTED.
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7. FOR PROPOSED IMPROVEMENTS NOT SHOWN, SEE
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PAVING, TRAFFIC, AND UTILITY SHEETS.
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8. USE WSDOT STANDARD SPECIFICATIONS UNLESS
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OTHERWISE NOTED.
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9. PVC PIPE MATERIAL SHALL NOT BE USED FOR STORM SD
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PIPE SPANS WITH 3 FEET OF COVER OR LESS.
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10.
ALL STRUCTURES SHALL BE HS 20 LOAD RATED UNLESS
OTHERWISE NOTED. SEE CDD DETAIL SHEETS FOR
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PROPRIETARY BMP LOADING CONSIDERATIONS
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10/24/2025
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COR PERMIT REVISION - CNWD#001
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06/13/2025
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ADDENDUM #1
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12/10/2024
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ISSUED FOR BID
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No.
DATE
DSN
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APP
REVISION
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13 INSTALL CATCH BASIN TYPE 1 PER COR STD PLAN
200.00, WITH BEEHIVE GRATE PER COR STD PLAN
262.40. SEE DWG. NO. BT120-CDD504 FOR DETAILS.
18 INSTALL INLET/OUTFALL PROTECTION WITH QUARRY
ROCK RIPRAP PAD (MINIMUM THICKNESS IS 1 FEET)
PER WSDOT STD. SPECIFICATION 8-15.3(6) AND 9-13,
AND PER COR STD PLAN 267.10 NOTE 18
19 INSTALL WET BIOFILTRATION SWALE (VAR. BOTTOM
WIDTH). SEE DWG. BT120-CDD505 AND BT120-CDD506
FOR DETAILS.
21 ADJUST RIM TO GRADE.
2g REMOVE EXISTING INLET AND INSTALL CATCH BASIN
TYPE 1 PER COR STD PLAN 200.00, WITH OPEN CURB
FACE FRAME AND GRATE PER COR STD PLAN 203.00.
RE -CONNECT EXISTING PIPES TO THE NEW CATCH
BASIN PER SPECIAL PROVISIONS 2-02 AND 7-05.
29 REMOVE EXISTING CATCH BASIN AND INSTALL CATCH
BASIN TYPE 2 PER COR STD PLAN 201.00. WITH FRAME
AND VANED GRATE PER COR STD PLAN 204.00.
RE -CONNECT EXISTING PIPES TO THE NEW CATCH
BASIN PER SPECIAL PROVISIONS 2-02 AND 7-05.
INSTALL BIOFILTRATION SYSTEM TYPE C UNIT. SEE
34 DWG. BT120-CDD503 FOR DETAILS AND SPECIAL
PROVISIONS 7-05.
DESIGNED BY:
S. SRIDHARAN 4�� SRIJJ�
DRAWN BY:� of WAS�J q
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CHECKED BY:
R. PARISH ° GI
APPROVED BY: ZONAL E� SUBMITTED BY:
S. SRIDHARAN 10-24-2025 R. PARGAS
DRAINAGE STRUCTURE TABLE
STRUCTURE
STRUCTURE DETAILS
PIPES IN
PIPES OUT
CB TYPE 1
104-86
STA. 152+35.57 (86.39', LT)
IE 21.61 (NW)
RIM 23.58
CB TYPE 2 - 48"
IE 22.40 (W)
UNK (S) EX
104-88
STA. 155+08.11 (28.09', LT)
IE 22.20 (E)
CONTRACTOR
RIM 27.07
TO FIELD VERIFY
TYPE C UNIT
FIL-4
STA SEE BT120-CDD503
IE 22.45 (W)EX
IE 22.45 (E)
RIM 27.11
TYPE C UNIT
FIL-5
STA SEE BT120-CDD503
IE 22.24 (E)EX
IE 22.24 (W)
RIM 27.16
KEY NOTES:
42 INSTALL 12" CONCRETE CULVERT.
43 STRUCTURE FRAME AND COVER MEET AASHTO LOAD
RATING HS-25.
44 INSTALL BEVELED ENDS PER COR STD PLAN 221.00
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BRT General Engineering Consultant z
DATE: REVIEWED BY:
12/10/2024 1 J. ALTCHECH
SCALE:
mrOw" 1 "=20'
FILENAME:
S1-BT120-CDP102-106
SOUNDTRANSIT CONTRACT No.:
RTA/CN 0205-24
DATE: DATE:
12/10/2024 12/10/2024
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UPDATES TO ROW ANDS
SEWER SEE SHEETS
BT120-RPP104
BT1 20-RPP201 -BT1 20-RPP205
BT120-USP102,BT120-USP104
BT120-USP201-USP202
BT120-USP204-USP205
20 10 0 20 40
KEY MAP SCALE IN FEET
EDEVESLiOPOMENT ENGINEERING �
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STRIDE BUS RAPID TRANSIT DRAWING No.:
SOUTH RENTON TRANSIT CENTER BT120-CDP104
BT105 FACILITY ID:
CIVIL BT120
SHEET No.: REV:
DRAINAGE PLAN
G RADY STA 151 +00 TO G RADY STA 156+50 165 A
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