HomeMy WebLinkAboutCM_Construction_Mitigation_Description_260401_v1Date: March 25, 2026
To: City of Renton, Department of Community and Economic Development
From: Amani Imran
Re: Construction Mitigation Description for the Imran Subdivision
APPLICANT
Amani Imran
212 Chelan Ave NE
Renton, WA 98059
Amani.ewig@gmail.com
206-391-1871
SITE ADDRESS
4612 NE 1st, Renton, WA 98059
CONSTRUCTION MITIGATION DESCRIPTION
a. The proposed approximate construction start date is anticipated to begin late Summer/
early Winter 2026 with an approximate timeline of six (3) months.
b. Hours of construction operation will be Monday through Friday, between 7:AM and 5: PM.
C. The proposed hauling and transportation route is east on NE 1st Street, west on Bremerton
Ave, South on NE 2nd Street, North on Duvall Avenue NE and then South onto NE 4th Street.
Highway 900 which connects to I-405.
d. Water trucks, street sweepers and any other requirements deemed necessary will be
implemented to minimize construction impacts.
e. There are no anticipated weekend, late night or holiday work hours proposed for the
construction or hauling at this time.
f. Flag persons will be employed, and signs will be installed for traffic control, when
necessary.
WSDOT Standard Traffic Control Plan is attached. Methods will be adapted to the proposed
construction and route.
SPEED (MPH)
BUFFER DATA
LONGITUDINAL BUFFER SPACE = B
25 30 35
LENGTH (feet) 155 200 250 305 360 425 495 570 645 730
TRANSPORTABLE ATTENUATOR ROLL AHEAD DISTANCE = R
HOST VEHICLE WEIGHT 9,900 TO 22,000 lbs. HOST VEHICLE WEIGHT > 22,000 lbs.
< 45 MPH 45-55 MPH > 55 MPH < 45 MPH 45-55 MPH > 55 MPH
100' 123' 172' 74' 100'
PROTECTIVE VEHICLE (WORK VEHICLE) = R
'1
LEGEND
NO SPECIFIED DISTANCE REQUIRED
W20-7B
W20-7B (OPTIONAL IF 40 MPH OR LESS)
W20-7A
150'
SO'TO 300'
SIGN SPACING = X (1)
RURAL HIGHWAYS 60 165 MPH
RURAL ROADS 45 / 55 MPH
RURAL ROADS & URBAN ARTERIALS 35 140 MPH RURAL ROADS, URBAN ARTERIALS, 25 f 30 MPH RESIDENTIAL & BUSINESS DISTRICTS
URBAN STREETS 25 MPH OR LESS
(1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE INTERSECTIONS AND DRIVEWAYS. (2) THIS SPACING MAY BE REDUCED ROADWAY CONDITIONS
50' TO 100' 6 DEVICE MIN.
IN URBAN AREAS TO
B
EEC}
800'±
500'±
350'±
200' ± (2)
100'± (2)
FIT
50' TO 100' 6 DEVICE MIN
C C
«: 0
C
sz $. X
X
"' Cl z F L) :Jll ffil !zl -I I I I I
sz
I sz I l : !I
W20-7A
W20-4
W20-7B (OPTIONAL IF 40 MPH OR LESS)
$. W20-7A
X
N
W20-1
W20-4
X X
N N
X
N
CHANNELIZATION DEVICE SPACING FEET
W20-78 (OPTIONAL IF 40 MPH OR LESS) MPH 50/65 TAPER TANGENT 10 TO 20 80
35/45 10 TO 20 60 25/30 10 TO 20 40
NOTES
1. ALL SIGNS ARE BLACK ON ORANGE.
2. EXTENDING THE CHANNELIZING DEVICE TAPER ACROSS SHOULDER IS RECOMMENDED.
'1
C
FLAGGING STATION
TEMPORARY SIGN LOCATION
CHANNELIZING DEVICES ONE-LANE, TWO-WAY TRAFFIC WITH FLAGGERS CONTROL
3. NIGHT WORK REQUIRES ADDITIONAL ROADWAY LIGHTING AT FLAGGING STATIONS. SEE THE STANDARD SPECIFICATIONS
FOR ADDITIONAL DETAILS
i::::83 PROTECTIVE VEHICLE
FILE NAME
TIME
DATE
PLOTTED BY
DESIGNED BY
ENTERED BY
CHECKED BY
PROJ. ENGR.
REGIONAL ADM.
NOT TO SCALE
S:IDesi n R P& 514-Standards\2-Plan Sheet Libra \01-Published PSL\ TC Work Zone Traffic Control\ TC-1 One Lane, Two Wa Traffic Control with Flaggers\TC-1.dgn
3:05:14 PM �EGIOf< SWE FED.AID PROJ.NO. 112/2018 liddelf
REVISION DATE BY
WAS
4. SEE SPECIAL PROVISIONS FOR WORK HOUR RESTRICTIONS.
Washington State Department of Transportation 1---------------------1
TRAFFIC CONTROL PLAN
TC1