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PFI2020-00031 CITY OF TIGARD PUBLIC FACILITIES IMPROVEMENT PERMIT COMMUNITY DEVELOPMENT Permit#: PF12020-00031 13125 SW Hall Blvd.,Tigard OR 97223 503.718.2421 Date Issued: 01/28/2020 Parcel: SEG2382 Jurisdiction: Tigard Site address: Subdivision: Lot: Project: PGE Job#M2676519. Project Description: Adjacent to Durham & 108th. Remove tree root inside vault. Class of Work: FEES Description Date Amount Type 1 -Utilities(gas, electric, data) PFI Permit Fee 01/28/2020 $300.00 Owner: Total $300.00 REQUIRED INSPECTIONS Call 503-639-4175 for the IVR inspection request line or visit the City of PHONE: Tigard website at www.tigard-or.00v to schedule inspections online. Contractor: PHONE: Applicant: NICK CHANEY PHONE: 9712752597 Please sign below to indicate acceptance of conditions and return a copy with the proposed work schedule along with names and contact information of responsible parties before beginning work. Permittee/Applicant Signature: ✓( n{j e C4 r To, Issued By: ! I Special Conditions(See Attached) Note:THIS PERMIT DOES NOT COVER WORK ON PRIVATE PROPERTY Conditions for PF12020-00031 Type: Condition Name: Status: Severity: PFI_Utilities 01 -WORK SITE REQUIREMENTS Applied Notice Applicant must comply with all applicable provisions of federal and state law,the Tigard Municipal Code, and the terms of any agreement with the City of Tigard regarding work to be done pursuant to this permit. PFI_Utilities 02-WORK SITE AREA Applied Notice The work area and approach roads shall be maintained in a clean condition, free from obstructions and hazards. The spreading of mud or debris or storage of materials or equipment of any kind upon any public roadway is strictly prohibited and violation shall be cause for immediate cancellation of the permit. The City may at any time order immediate clean-up and suspension of work to accomplish clean-up. PFI_Utilities 03-WORK SITE EROSION CONTROL Applied Notice Prior to starting work, effective and approved erosion control devices must be installed and maintained meeting the Clean Water Services and DEQ requirements. The City may at any time order corrective action and suspension of work to accomplish effective erosion control. PFI_Utilities 04-WORK SITE REPAIRS Applied Notice Disturbed landscaped areas shall be restored or replaced. Existing signs, pavement markings, mailboxes, etc. shall be reinstalled or replaced,with like kind of material. Obtain City approval of restoration work. PFI_Utilities 05-TRAFFIC CONTROL SPECIFICATIONS Applied Notice Applicant shall provide traffic control according to the current edition of the"Manual on Uniform Traffic Control Devices [MUTCD]for Streets and Highways", U.S. Dept. of Transportation, FHWA, current edition,American Traffic Safety Services Association[ATSSA], and Oregon Temporary Traffic Control Handbook[OTTCH]. PFI_Utilities 06-TRAFFIC CONTROL PLAN Applied Notice Submit a job specific traffic control plan. A copy of the approved traffic control plan shall be readily available at the work area. Traffic control devices, flag persons, etc., shall be in place prior to initiation of construction work and shall be effectively maintained. PFI_Utilities 07-TRAFFIC CONTROL ROAD CLOSURE Applied Notice Public roadway shall not be closed to traffic, at any time, without obtaining written approval from the City Engineer. The applicant is responsible to provide 48 hour advance notice of traffic flow disruptions to affected businesses, residents and area wide Emergency Services: 503-629-0111 (Tigard Police Dept.,Tualatin Fire&Rescue)and to 503-962-8140(Tri-Met) and 503-431-2345(Tigard School District)and other service providers impacted by such closure. PFI_Utilities 08-TRAFFIC CONTROL ADVANCE WARNING Applied Notice Advance warning of traffic disruption shall be provided to the public by placement of an approved advance notification sign at each end of the construction area 72 hours(min.)before initiation of construction work. PFI_Utilities 09-TRAFFIC CONTROL PROPERTY ACCESS Applied Notice Access to existing properties shall be maintained at all times, including normal delivery service and mail service. Obtain City approval of any access closures. PFI_Utilities 10-TRAFFIC CONTROL WORK HOURS Applied Notice Work is permitted in daylight between the hours of 7:00 a.m. to 7:00 p.m. Mon-Fri unless otherwise authorized by the City. PFI_Utilities 11 -TRAFFIC CONTROL LIMITED WORK HOURS Applied Notice Hours of construction work on collector and arterial roads will be limited to 9:00 a.m.to 3:00 p.m. unless authorized by the City Engineer. Work will not be permitted on collector and arterial roads between 3:00 p.m. to 9:00 a.m. unless authorized by the City Engineer. PFI_Utilities 12-TRAFFIC CONTROL MODIFICATION Applied Notice The City reserves the right to add to or modify traffic control requirements as necessary to effectively control traffic and to assure public safety. PFI_Utilities 13-DRAINAGE CONTROL Applied Notice Drainage shall be controlled within the work site and shall not adversely affect adjacent private property, public property and the receiving system. The City may at any time order corrective action and suspension of work to accomplish effective drainage control. PFI_Utilities 14-UTILITY NOTIFICATION Applied Notice Oregon law requires following the rules adopted by the Oregon Utility Notification Center. Said rules are set forth in OAR 952-001-0100 through OAR 952-001-0080. Copies of said rules may be obtained from the Center by calling 503-246-1987. If you have any question about the rules, contact the Center. NOTE: Damage to utilities shall be corrected at the permit holder's expense. PFI_Utilities 15-UTILITY LOCATION CONFLICT Applied Notice Applicant must verify all existing utilities for both vertical elevation and horizontal location prior to start of work(pothole before digging if necessary). Should conflicts arise and redesign or relocation of facilities be necessary, it shall be done at the applicant's expense. Changes must be approved by the City in advance of work.Applicant shall coordinate the work with affected utility agencies. PFI—Utilities 16-TEMPORARY PATCH Applied Notice A temporary hard-surface patch shall be placed on trenches within roadways at the end of each work shift. Obtain advance approval of patching method. No trench shall be left at any time in an un-safe condition. Applicant is responsible for and is liable for hazards or damage resulting from the prosecution of the work. PFI—Utilities 17-REPAIR OF EXISTING FACILITIES Applied Notice Work under this permit shall include repair of existing facilities(roads, ditches,etc.)as may be necessary, as determined by the Inspector, to overcome deterioration or damage which occurred in conjunction with the work authorized by the permit. Corrective work shall be done at the applicant's expense. PFI—Utilities 19-PRECONSTRUCTION MEETING Applied Notice Before initiating any construction activity, the applicant shall coordinate with the City's inspector, <Insert Name>at<Insert Phone#>, to establish a preconstruction meeting. Trent Brickey trentb@tigard-or.gov 971-228-9269 PFI_Utilities 20-NOTICE TO COMMENCE WORK Applied Notice The applicant shall notify the City's Inspector twenty-four(24) hours prior to commencing work, prior to any staged inspection, and after completing work covered by the permit. PFI—Utilities 21 -PERMIT/PLAN ON SITE Applied Notice A copy of the permit including a Certificate of Insurance, and all attachments, and a copy of the approved construction plan and all amendments shall be readily available at the work area. All work shall conform to the permit terms, conditions and provisions and to the City approved permit plans, and approved plan amendments and to the City's standards and specifications and to these General Conditions. Changes to any of these must be approved by the City, in advance of work performance. PFI—Utilities 22-DAILY INSPECTION REPORTS Applied Notice Applicant shall submit daily inspection reports, on a weekly basis,to the City's Inspector. PFI—Utilities 23-MONUMENT PROTECTION Applied Notice Existing monuments, property corners, and survey markers shall be protected. Replacement shall be at the permit holder's expense. PFI—Utilities 24-VALIDATION OF MATERIAL/CONSTRUCTION Applied Notice The City's Inspector may, at his discretion, require tests and or reports from the applicant to validate claims of material or construction adequacy/compliance. Such tests/reports shall be provided at the applicant's expense. PFI_Utilities 25-EMERGENCY CONTACTS Applied Notice Provide to the City inspector, in writing,the names and 24 hour emergency telephone number of two(2)persons who have authority to resolve problems, take corrective action and, in general,will be responsible in case of any emergency. The applicant shall notify the City Inspector, in writing, of any/all assignment changes. PFI_Utilities 26-RIGHT OF ENTRY/EASEMENTS Applied Notice Applicant to obtain proper right-of-entry and/or easements prior to starting work. Proof of right-of-entry or properly executed easements, shall be provided to the City. The City shall in no way be construed to be liable for the applicant's failure to obtain or provide for proof of right-of-entry or easements. PFI_Utilities 27-PRIVATE PROPERTY AGREEMENTS Applied Notice Provide the City a copy of an executed agreement[s]from the owner for each private property disturbed by construction activity. PFI Utilities 28-AS-BUILT DRAWING Applied Notice 1,2,3,4,5 28-AS-BUILT DRAWING One as-built drawing showing all new public improvements, including any revision made to the previously approved construction plans and, also, any improvement which may impact an existing public system or facility, shall be provided to the City by a registered civil engineer along with an engineer's certification of installation compliance(Certificate of Compliance). 1,2,3,4,5 28-AS-BUILT DRAWING One as-built drawing showing all new public improvements, including any revision made to the previously approved construction plans and, also, any improvement which may impact an existing public system or facility, shall be provided to the City by a registered civil engineer along with an engineer's certification of installation compliance(Certificate of Compliance). One as-built drawing showing all new public improvements, including any revision made to the previously approved construction plans and, also, any improvement which may impact an existing public system or facility, shall be provided to the City by a registered civil engineer along with an engineer's certification of installation compliance(Certificate of Compliance). PFI—Utilities 31 -OTHER Applied Notice Other RECEIVED City of Tigard JAN 2 2 2020 PFI ENGINEERING DEPARTMENT CITY OF TIGARD INPublic Facilities nWWJN ht (PFI) Permit PROJECT INFORMATION TYPE OF WORK Project name: PGE Job # M2676519 8 TYPE 1—Franchise Utility Work Brief description of project: performed by NWN,PGE, or utility agency REMOVE TREE ROOT INSIDE VAULT PAD VAULT 7 ❑ TYPE 2—ROW Sidewalk/Driveway/Sewer Work performed for the purpose of. • Sidewalk installation or repair • Driveway approach installation and repair SITE INFORMATION • Sanitary sewer lateral installation and l/ n main line tap Location (address if available): ❑ TYPE 3—Full Scale Development Work ABT SW DURHAM RD & SW 108TH AV61 performed with land use approval which includes any of the following: • Subdivisions or Partitions APPLICANT INFORMATION • Street widening Name: PGE LINDA OTT • Mainline installation for sanitary sewer, storm sewer, Tigard water, and Tigard Mailing address. 10800 SW Avery Street water service area City/State: Tualatin, OR Zip. 97062 ❑ TYPE 4—Small Cell Technology Phone: 503.612.6093 ❑ TYPE 5—Tigard Triangle Email: preregcoord@pgn.com Phone: NOTE: Type 1 and 2 applications may be Contact name: NICK CHANEY emailed to rowpermitsngticrard-or.gov. Phone: 971.275.2597 Email: PREREQCOORD@PGN.COM CONTRACTOR INFORMATION 2 Same as applicant Name: PGE CREW CCB Number: Mailing address: City/State: Zip: Phone: Email: ENGINEER INFORMATION Name: Mailing address: City/State: Zip: Phone: Email: ADDITIONAL INFORMATION Estimated value of work is required(if over$5,000):$ (within the public right-of-way) Is work related to a LAND USE DECISION? [—]Yes 0 No Case number: City of Tigard 13125 SW Hall Blvd. • Tigard,Oregon 97223 • www.tigard-or.gov 503-718-2421 • Page 1 of 4 APPLICANTS NOTE: Person specified as"Applicant" shall be designated"Permittee"and shall provide financial assurance for work,if required by the city pursuant to TMC 15.04.140. * With the exception of a utility operating pursuant to a valid franchise or license with the City of Tigard,when the owner and the applicant are different people,the applicant must be the purchaser of record or a lessee in possession with written authorization from the owner or an agent of the owner. The owner must sign this application in the space provided or submit a written authorization with this application. Franchised or Licensed Utilities are not required to obtain the owner's signature on the application. I,the applicant, certify that: • To the best of my knowledge,all the information provided within this application package is complete and accurate. • The above request does not violate any recorded deed restrictions that may be attached to or imposed upon the subject property. • If the application is granted,I will exercise the rights granted in accordance with the terms and subject to all the conditions and limitations of the approval. za, f4� ,-n LINDA OTT FOR NICK CHANEY 1-7-20 Applicant's or authorized agent's signature Print name Date Property owner's signature (if required) Print name Date STAFF LSE, ONLY Case No: / Permit fee: 2�06'6r6 Received by: /1�--fin Date: Approved by: oy-*11 L Date: l Z2l0000 Notified by: i Date: �2-0 City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • www..tigard-or.gov • 503-718-2421 Page 2 of 4 DEVELOPMENT ENGINEERING FEES Public Facility Improvement(PFI)Permit: INITIAL PFI PERMIT FEE Part 1: Required submittal fee is 10%of the Net PFI Permit Fee.See below for calculations.Minimum of$300. NET PFI PERMIT FEE Part 2: All non-water system improvements engineer's estimate X 7% (less the initial PFI Permit Fee). WATER LINE CONSTRUCTION FEE Part 3: All public water system improvements engineer's estimate X 12%. FOR STAFF USE ONLY •R STAFF USE ONLY SUBMITTALTYPE 4: SMALL WIRELESS FACILITY TYPE 1-3:DETAILED REQUIREMENTS CHECKLIST Does applicant have a right-of-way license? ❑Yes ❑No TYPE 1 AND TYPE 2-Must include a sketch showing: Under the wireless facilities standards,is the proposal ❑ Dimensions considered?(check all that apply): ❑Small Cell ❑Macro ❑ Street Name How many install sites are proposed as part of this permit ❑ Site Address application? TYPE 3-Must provide 4 sets of plans (sized 24 x 36 or 22 x 34) and an electronic version of all submittal The proposed equipment is located on which of the following: items. The plans must that include: ❑Public Right-of-Way ❑Private Property ❑ Cover—Site,Vicinity,Abbreviation,Legend If equipment is to be located on private property,describe the ❑ General Notes(City,Water,Sewer,etc.) type&use: ❑ Street(Plan,Profile) ❑ Water,Storm and Sanitary(Plan Profile) ❑ Water Quality Facilities ❑ Grading ❑ Landscaping/Tree Plan ❑ Composite Utility Plan(Electrical,Phone,Gas, Storm, Sanitary,Water,Signage,Street Lights,etc.) ❑ Details ❑ Traffic Sight Distance ❑ Signing and Striping ❑ Street Light Plan and Photometric ❑ Engineers seal/signature ❑ Sheet label(project land use name,revision and plan log block,dates and sheet numbers.) ❑ Engineers Construction Estimate Additional Submittals (per land use conditions,if applicable) ❑ Traffic Report ❑ Storm water Drainage Calculations ❑ Geotechnical Report ❑ Preliminary Access Report(Sight Distance) ❑ Proposed Plat ❑ Pathway Design ❑ Water Provider Approval City of Tigard 13125 SW Hall Blvd. Tigard,Oregon 97223 • www.tigard-or.gov • 503-718-2421 • Page 3 of 4 Edge of Pavement Ditch Streetlight ( — —•—•—•—•---•—r—•- 1 Raaf Drain � ' a � I j I 1 � I a Existing House 1 4� I Existing 1 >s • Driveway a� I N1 I I TI a I 'Ile 1 a• Existing Shop j Power rake ! = m I oIQ 1 95, ------�---- � I rI Fire Hydrant(F H) � I I scale, 1-=30' I TYPE 1 AND TYPE 2: MINIUM SKETCH ' I ! i I i REQUIREMENTS North arrow Property lines&dimensions Existing utilities locations (sewer, storm,water) Street&street names All existing structures Proposed work Existing curb or edge of pavement Utility&street light poles Existing S/W or D/W apron Slope of property Trees City of Tigard • 13125 SW Hall Blvd. Tigard,Oregon 97223 www.tigard-or.gov • 503-718-2421 • Page 4 of 4 LEGEND 1.`.&•:(' - 1WORK LOCATIONS -------, SURVEY GRID BOUNDARY _REMOVE/ABANDON FACILITIES_INSTALL FACILITIES tl _MODIFY/TRANSFER4NSTALL ADDITIONAL FACILITIES EQUIPMENT SWITCH VAULT REMOVE ROOTS FROM VAULT 15960 WL 1 VT-7: LANDSCAPING NOTES WL 1 VT-7: NOTE:CLEAR TREE ROOTS INTO VAULT CLEAR TREE ROOTS INTO VAULT T-7269 �6 50 17494 1 t 1448 B 50 238 .6711 B 2 g 3802 B 2552962 B 226 11,14 82548 C 25 52887 -6712 VT-7 YT-9 PD. {2 9532 V-19 9313 PD 53 C 100 5514 L-!C53,020 100 5 29333 C 16 5 8827 C56 8179 7 VT 58 50, 29 1 -1 B 5 9251 PD C 5 PD-9 D-9 -927 B 25 52962 502 C 558 -9538 C 25 52887 A C 75 8843 a 7211 20 J L 25'-4 �? 25'-4 100 5332 Po DURH P� -9272 1990 PD-8 1990 PD-16 yT -59 C 100 51 ABC 2/0 AL A�5 AABBCC 750 AL -PD-80567 PD AABBCC•750 AL A 50 28439 PO-58 A 50 271 --------- __ SW DURHAM RD - PD-3 A50 31671 PD .73 C .SA---"---.. «,------'- PD-7 50 672 7797-., YT4i 803 PD-2 50113336 5 P0.32 -9 C5025 55 v � 50 27Bd6 P.- P7 PDA29ki C 7834 W KENT ST A P.-B, 50 1 PO9 ` PD-924 A 0 27741 A 50 2690', A 75 6 PO-9 A AS 91 A503188 �' S1t,I _2 VT415 4 .A 75 R PL-76 PL-2 A247 94046 D-9 PL-244 A 10580 _9246 20 5nknown C 0 5514 No 1212-10 SDO Feet 1-LINE DIAGRAM VICINITY MAPkr ,.m 1 a tm U ti OIr U is 0� Q 4y 16185 9� SK, �d Vi-63 Nr sw vPM.m ad PD-64 l�'co4�Pr:n9 AU+-Imrntr C 350 AL-TX C 167 2357 72 nknown 2005 K Qt far t^a+•+u 1n_ I - O ; sw erenPe erg VT-70 DURHAM PARK PD-9538 C 50 28205 z C2AL SN I • a Sources.Esq HERE,Garmin,USG Intefmap.INCRENENTP.NR�Ca>n�Esri- a sw Ii VA.D' Japan.HETI,Esri China IHOA?ftb):' 0 25 50 100 e EsrI,J$@rga„ srI(Tna�lantl7.NGCC.(C) .. OpenStcanl-ap coninoutars.and the III GIS User ComnunM POE CONSTRUCTION DRAWDIO AS-BUILT VERIFICATION 8 NES S CORRECTED THINK Foreman: Date: General Foreman: Date: SAFETYSI nature only requbetl for 4eb�nstn eP�hey es. SOPM,ENG REVIEW: ASBUILT BY DESIGNER: FIRST DATE: S LE: A OVNT AWO: JOB NO. ANY DEVIATION FROM THIS DESIGN MUST 9/20/2019 1 in=50 It 5940001 3000000658 M2676519 TITLE BEAPPROVED BY THE PGE PROJECT MANAGER REMOVE TREE ROOTS INSIDE VAULT C2110D-7 CALL 811 BEFORE YOU DIG CIRCUIT S/ze ATTENTION: DURHAM-SATTLER 17 x tt OREGON LAW REQUIRES YOU TO FOLLOW RULES ADOPTED /P,C-/ LOCATION BY THE OREGON UTILITY NOTIFICATION CENTER. ABT SW DURHAM RD S SW 108TH AVE THOSE RULES ARE SET FORTH IN OAR 952-001-0010 DESCRIPTION THROUGH 952_001-0090 YOU MAY OBTAIN COPIES OF CLEAR TREE ROOTS FROM VAULT SHEET THE RULES BY CALLING THE OREGON UTILITY COUNTY SECTIONS WORK WITH NOTIFICATION CENTER ADMINISTRATION @(502-232-1987) WASHINGTON I C2110D 1OF1 TO REQUEST UTILITY LOCATES CALL THE OREGON Www Whars below M-Le DESIGN BY PHONE DRAWN BY UTILITY NOTIFICATION CENTER,811 AT LEAST Callbefore you dig. uM:caewcearea NICK CHANEY 971.275.2597 Christian Schumann-Curtis 2 BUSINESS DAYS PRIOR TO EXCAVATION o ®PORTLAND GENERAL ELECTRIC CO.-ALL RI HTS RESERVED —MapTitle Oregon CWS Veget ted Corridor Tigard I—al Wedand 1—tory 03 N.Sardi.11 G..I S Safe Harbor City of Tig.rd S)Q3f OJ' i I �' IG 1i T ilt7f1!TbY3 i)i2 d rT 4 [ e 4Y�3 � 91.s]PX' 1 'il xf :i, il( :X3 t fA7J::u13125 SW Hall Sl,cI N f(TETioard,OR 97223 93 3J3 93JC� 9c1x:3 z ri011071020 www.invarion.com 11-ane Closure at Intersection with Flagging Diagram 620 ROAD WORK AHEAD C ONE LANE j t (Optional) ROAD AHEAD PREPAR ®rBz TO A <*- (Optional) • O ONE LANE ROABED 100 ft.Max. O PREPARED AHEAD ROAD ° WORK TO STOP WORK O AHEA A g B C 0 O 4- 0 O O O O 00 T 100 ft.Max. O O It A B BE PREPARED TO STOP B (Optional) NE LANE ROAD AHEAD IOD C ROAD WORK AHEAD www.invarion.com Lane Closure at Intersection with Flagging Diagram 620 Diagram 620 covers work within an intersection when normal traffic control must be interrupted. Work vehicles may or may not be in the work space. 1 . During flagging, traffic signals shall be turned off. Contact the road jurisdiction for approval and assistance (see Chapter 3). 2. For multi-lane facilities, traffic approaching the intersection shall be reduced to a single lane on each approach. See Chapter 3 for information on flagging through intersections. 3. There should be one flagger for each approach. One flagger may control two adjacent approaches if sight distance, low volumes on side roads, and flagger position allows for safe operation and clear direction to motorists. For low traffic volume intersections (fewer than 400 entering vehicles per day), one flagger may be used. 4. The "ONE LANE ROAD AHEAD" (W20-4) sign is optional and should be considered on high volume or high speed roads, or when extended queues may be expected. Sign Spacing and Buffer Lengths (feet) Posted Spacing Between Signs Buffer Speed A B C Space ERRATA: 20 50 25 100 100 100 75 Supplement Table 30 100 35 350 350 350 125 Updated: February 12, 40 150 2016 45 180 By:ODOT Traffic-Raodway 50 500 500 500 210 Section 55 1 1 1 250 Signs Spacing and Buffer Lengths (feet) Supplement Posted Spacing Between Signs "Buffer" Speed A B C Space 60 285 65 700 700 700 325 70 365 www.invarion.com Bicycle Accomodation Diagram 5-6 I NOTES: - Bicycles on Roadway (CW11-1) sign should not interrupt standard sequences. For example: \NX - BE PREPARED TO STOP/Flagger Symbol - LANE CLOSED AHEAD/Lane Ends Work Symbol - Bicycles on Roadway sign typically follows ROAD Area WORK AHEAD sign and used as general warning. A A I B I it ROADWAY ON I C ROAD WORK AHEAD vwwv.invarion.com Bicycle Accomodation Diagram 5-6 Bicycle Accommodation Principles: 1 . If a significant volume of bicycles can be expected and work closes a marked bicycle facility, or requires bicycles to share a travel lane, install a "(Bicycle) ON ROADWAY" sign (CW11-1) or the Bicycle symbol (W11-1 ) sign with an "ON ROADWAY' (OBW1-5) rider, in advance of the work area. 2. Install temporary signing off the paved shoulder, within the planter (buffer) strip, or share the width needed between the shoulder and the sidewalk, as available. 3. Signs are to remain in place until the surface is restored and the width made available for bicycle use. See Diagram 5-6 for typical bicycle signing placement. Sign Spacing and Buffer Lengths (feet) Posted Spacing Between Signs Buffer Speed A B C Space 20 50 25 100 100 100 75 ERRATA: 30 1 100 Supplement Table 35 350 350 350 125 40 150 Updated:February 12, 45 180 2016 50 500 500 500 210 Se ODOT Traffic•Roadway Section 55 1 1 1 250 Sign Spacing and Buffer Lengths (feet) Supplement Posted Spacing Between Signs "Buffer" Speed A B C Space 60 285 65 700 700 700 325 70 365