HomeMy WebLinkAboutCM_Construction_Mitigation_Description__Sierra_Homes_SP_221205_v1.pdf
Western Washington Division Eastern Washington Division
165 NE Juniper St., Ste 201, Issaquah, WA 98027 407 Swiftwater Blvd., Cle Elum, WA 98922
Phone: (425) 392-0250 Phone: (509) 674-7433
www.EncompassES.net
702 NILE AVE SHORT PLAT
CONSTRUCTION MITIGATION DESCRIPTION
Project Location:
702 Nile Ave NE
Renton, WA 98059
i. The proposed approximate construction start date will be Summer/Fall 2023 with
an approximate completion timeline of 3 months.
ii. Hours of construction operation will be Monday through Friday, between 7:AM and
5:PM.
iii. The proposed hauling and transportation route is south on NE 7th Place to Nile Ave NE, west
on NE 4th St., then onto I-405.
iv. Water trucks, street sweepers and any other requirements deemed necessary will be
implemented to minimize construction impacts.
v. There are no anticipated weekend, late night or holiday work hours proposed for the
construction or hauling at this time.
vi. 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.
BUFFER DATA LONGITUDINAL BUFFER SPACE = B SPEED (MPH) 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. < 45 MPH 45-55 MPH HOST VEHICLE WEIGHT > 22,000 lbs. SIGN SPACING = X (1) RURAL HIGHWAYS 60 / 65 MPH 800' ± RURAL ROADS 45 / 55 MPH 500'± RURAL ROADS & URBAN ARTERIALS 35 / 40 MPH 350'± RURAL ROADS, URBAN ARTERIALS, RESIDENTIAL & BUSINESS DISTRICTS 25 / 30 MPH 200'± (2) URBAN STREETS 25 MPH OR LESS 100'± (2) (1) ALL SPACING MAY BE ADJUSTED INTERSECTIONS AND DRIVEWAYS. (2) THIS SPACING MAY BE REDUCED ROADWAY CONDITIONS. TO IN ACCOMMODATE URBAN AREAS TO FIT W20-7B (OPTIONAL IF 40 MPH OR LESS) PROTECTIVE VEHICLE (WORK VEHICLE) NO SPECIFIED DISTANCE REQUIRED ROAD WORK AHEAD PREPARED TO STOP ONE LANE ROAD AHEAD . W20-1 T W20-7B W20-7A W20-4 WORK AREA EECJ P <l aOOPP T ONE LANE ROAD AHEAD T BE PREPARED TO STOP W20-7A W20-7B (OPTIONAL IF 40 MPH OR LESS) W20-4 W20-7A ROAD WORK AHEAD BE PREPARED TO STOP ONE LANE ROAD W20-7B AHEAD W20-7B ROAD WORK AHEAD W20-7B (OPTIONAL IF 40 MPH OR LESS) W20-4 CHANNELIZATION DEVICE SPACING (FEET) MPH TAPER TANGENT 50/65 10 TO 20 80 35/45 10 TO 20 60 25/30 10 TO 20 40 A FLAGGING STATION N TEMPORARY SIGN LOCATION U CHANNELIZING DEVICES rrm PROTECTIVE VEHICLE ONE-LANE, TWO-WAY TRAFFIC CONTROL WITH FLAGGERS NOTES 1. ALL SIGNS ARE BLACK ON ORANGE. 2. EXTENDING THE CHANNELIZING DEVICE TAPER ACROSS SHOULDER IS RECOMMENDED. 3. NIGHT WORK REQUIRES ADDITIONAL ROADWAY LIGHTING AT FLAGGING STATIONS. SEE THE STANDARD SPECIFICATIONS FOR ADDITIONAL DETAILS. 4. SEE SPECIAL PROVISIONS FOR WORK HOUR RESTRICTIONS. NOT TO SCALE FILE NAME S:\Deslgn R P& S\4-Standards\2-Plan Sheet Llbrary\01-Publlshed PSL\(TC) Work Zone Traffic Control\(TC-1) One Lane Two Way Traffic Control with PLOTTED BY DESIGNED BY ENTERED BY CHECKED BY PROJ. ENGR. REGIONAL ADM. FED.AID PROJ.NO. Flaggers\TC-1.dgn Washington State Department of Transportation TRAFFIC CONTROL PLAN TC1