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GENERAL NOTES:
1. CONTRACTOR SHALL MAINTAIN AND ADJUST
TEMPORARY EROSION AND SEDIMENT CONTROL
(TESC), AS NEEDED.
2. PROTECT EXISTING TREES AND SHRUBS UNLESS
NOTED FOR REMOVAL. FOR SITE PREPARATION
PLANS, SEE DRAWINGS BT120-CSP101-106, AND
BT120-CSP201-205.
3. PROTECT EXISTING DRAINAGE STRUCTURES SUCH
AS CATCH BASINS, MANHOLES AND PIPES UNLESS
NOTED FOR REMOVAL. SEE DRAWINGS
BT120-CSP101-106, AND BT120-CSP201-205.
4. FOR DRAINAGE PLANS, SEE DRAWINGS
BT120-CDP101-106, AND BT120-CDP201-205.
5. CLEARING LIMITS IN LANDSCAPING AREAS WITHIN
THE PROJECT LIMITS SHALL BE DELINEATED WITH
SILT FENCE INSTALLED AT A 2-FOOT OFFSET FROM
THE INSIDE OF THE CHAIN LINK FENCE EXCEPT AT
DRIVEWAY AND SIDEWALK LOCATIONS.
6. AT A MINIMUM, DISTURBED AREAS SHALL BE
SODDED OR SEEDED AND MULCHED TO ENSURE
THAT SUFFICIENT COVER WILL DEVELOP SHORTLY
AFTER FINAL APPROVAL.
7. USE WSDOT STANDARD SPECIFICATIONS UNLESS
OTHERWISE NOTED.
8. AN ADMINISTRATIVE ORDER WAS ISSUED WITH THE
NPDES CONSTRUCTION PERMIT FOR THE PROJECT.
STORMWATER TREATMENT AND SAMPLING IS
REQUIRED AS PART OF THE PERMIT. SEE NPDES
PERMIT WAR314062 FOR DETAILS.
06/13/2025
SS
RP
SS
ADDENDUM #1
12/10/2024
SS
RP
SS
ISSUED FOR BID
DATE
DSN
CHK
APP
REVISION
KEY NOTES:
O2 INSTALL INLET PROTECTION PER COR STD PLAN 216.30. SEE
DRAWING BT120-CTD102 FOR DETAILS.
O3 INSTALL SILT FENCE PER COR STD PLAN 214.00
O7 INSTALL CONSTRUCTION FENCE - 6 FOOT HIGH CHAIN LINK
FENCE WITH BLUE FABRIC MESH AND SOUND TRANSIT LOGO.
OCONSTRUCTION RUNOFF TO BE CONVEYED TO A CONTRACTOR
DESIGNED STORAGE/TREATMENT SYSTEM, WHICH MAY
INCLUDE TEMPORARY SURFACE WATER DETENTION VAULT AND
TEMPORARY SEDIMENT POND/TANKS. TEMPORARY DITCHES
MAY BE MOSTLY USED DUE TO SITE TOPOGRAPHY, BUT
TEMPORARY CATCH BASINS AND STORM DRAINS MAY BE ADDED
WHERE NECESSARY. DISCHARGE TO NEAREST PERMITTED
DISCHARGE LOCATION WHEN STORMWATER MEETS PROJECT
PERMIT REQUIREMENTS. NOTE THAT THESE TESC MEASURES
WILL BE COVERED WITHIN THE CONTRACTOR'S MEANS AND
METHODS AND THE CONTRACTOR WILL EMPLOY THE
APPROPRIATE METHODOLOGY BASED ON SITE STAGING AND
PROVIDE UPDATES TO THE SWPPP AS REQUIRED.
DESIGNED BY:
S. SRIDHARAN
DRAWN BY:
H. ONG
CHECKED BY:
R. PARISH
APPROVED BY:
S. SRIDHARAN
#_ SUBMITTED BY:
6-9-2025 R. PARGAS
MATCHLINE: LAKE STA 401+50
SEE DWG BT120-CTP106
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KEY NOTES:
10 POTENTIAL TEMPORARY SEDIMENT STORAGE TANKS AND
STORMWATER TREATMENT SYSTEM SET-UP AREA.
CONTRACTOR TO FIELD LOCATE AS NECESSARY, USE THIS
SYSTEM PRIOR TO WATER QUALITY FACILITY CONSTRUCTION
OR IN CONJUNCTION WITH TEMPORARY SURFACE WATER
DETENTION VAULT TO MEET THE SITE FLOW AND WATER
QUALITY PERMIT DISCHARGE REQUIREMENTS. CONTRACTOR
SHALL DETERMINE NUMBER OF TANKS REQUIRED BASED ON
STAGING. SEE CONSTRUCTION STORMWATER VOLUMES AND
FLOW RATES TABLE ON DRAWING BT120-CTN-101.
LEGEND:
SF
❑ INLET PROTECTION
SF SILT FENCE
''i"-'i---i'--i---i--i'�-i'�-i'�-i--i'�-i'�-i-�i •-pilllllilib •
CONSTRUCTION FENCE
STABILIZED CONSTRUCTION ENTRANCE
CONCRETE WASHOUT AREA
SCALE:
J 1 "=20'
Q
Q FILENAME:
4S
w J S1-BT120-CTP101-106
BRT General Engineering Consultant J LL SDUNDTRANSIT CONTRACT No.:
RTA/CN 0205-24
DATE: REVIEWED BY: DATE: DATE:
12/10/2024 J. ALTCHECH 12/10/2024 12/10/2024
KEY MAP
UPDATES TO ROW
SEE SHEETS
BT120-RPP101-BT120-RPP102
BT120-RPP105-BT120-RPP106
BT1 20-RPP201 -BT1 20-RPP205
20 10 0 20 40
SCALE IN FEET
R-43=3254DEVELOPMENT ENGINEERING
msippo 11 /25/2025
DRAWING No
STRIDE BUS RAPID TRANSIT
SOUTH RENTON TRANSIT CENTER
BT105
CIVIL
TESC PLAN
GRADY STA 156+50 TO GRADY STA 160+46.15
BT120-CTP105
FACILITY ID:
BT120
SHEET No.: REV:
054 1
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