PERMANENT RULE

Private Rights-of-Way - Streets, Alleys, Shared Courts, Common Greens and Pedestrian Connections

Appendix A - Figures

Note: The figures contained in this appendix are intended to provide examples of how private rights-of- way could be designed. The figures are not prescriptive. The design of private rights-of-way will vary with the conditions of each site and must also conform to other applicable City regulations.

Figure 3 Street Standards Figure 4 Typical Private Street Section Figure 5 Curbing and Edge Restraint for Concrete Paving Block Roadway Surface Figure 6 Hammerhead Turnaround for Private Streets More than 300 Feet Long Figure 7 Circular Cul-de-Sac Turnaround for Private Streets More than 300 Feet Long Figure 8 Hammerhead Turnaround for Private Streets More than 300 Feet Long (“T” Alternative) Figure 9 Circular Cul-de-Sac Turnaround for Private Streets That Do Not 300 Feet Long Figure 10 Hammerhead Turnaround for Private Streets That Do Not 300 Feet Long Figure 11 Deadend Streets (Measuring Length) Figure 12 Allowed On-Street Parking Configuration Figure 13 Private Street Signs Figure 14 Sidewalk Location Options for Hammerhead Turnarounds Figure 15 Street Tree Configuration Options Figure 16 Shared Court Clear Zone Figure 17 Traffic Calming Measures for Shared Courts Over 100 Feet Long Figure 18 Shared Court Accessibility Options Figure 19 Common Green and Pedestrian Connections Improvements Figure 20 Grading at Right of Way Edge Figure 21 Typical Private Street Utility Configuration (3 Lots) Figure 22 Typical Private Street Utility Configuration (6 Lots)

updated 7/19/09 Figure 3 A These minimum vehicle roadway widths apply to streets longer than 300 feet long, and/or START A streets that serve buildings anticipated to be over 30 feet high (measured at the eaves of a sloped roof, or the top of the parapet for a flat roof). Gather the following information: 1) Number of lots served by the private street; number of lots type of development served by the street 2) Type of buildings anticipated on the lots (single family structures or other); served by the street single family lots other lots (multifamily, 3) Anticipated height of buildings (measured at the eaves of a sloped roof, (including the front corner lot) (attached or detached homes) commercial, industrial) or the top of the parapet for a flat roof); 4) Approximate length of the proposed private street; and 20 or 26 feet per 26 or 33* feet per Portland 5) The distance from the public street to the farthest corner of the anticipated 1 to 3 lots Portland Fire Design Guide, Fire Design Guide, with building locations (measured along the route a fire hose would be extended). with no on-street parking on-street parking on one side

Standard A Standard 26 or 33* feet per Portland 26 or 33* feet per Portland 4 or more lots Fire Design Guide, with Fire Design Guide, with on-street parking on one side on-street parking on one side

*Where the street is more than 500 feet long the minimum vehicle roadway width is 26 feet, with no on-street parking. A reduction to 20 feet may be allowed in environmentally sensitive areas, or on step slopes, subject to Fire Bureau approval. Parking may be provided in parking bays as shown in Figure 12. Where buildings will be over 30 feet high, parking may be prohibited on both sides of the street in the immediate vicinity of the building, to provide aerial apparatus access. Where buildings over 30 feet are anticipated, Will the street a specific access and parking plan must be provided. Where parking is prohibited on both sides, the width may be reduced to 26 feet. NO be longer than YES 300 feet? These minimum vehicle roadway widths apply to streets up to 300 feet long that will be B Fire Apparatus Access Roads, but where the buildings are not anticipated to be over 30 feet high (measured at the eaves of a sloped roof, or the top of the parapet for a flat roof).

number of lots type of development served by the street Will the served by the street single family lots other lots (multifamily, homes on the lots (including the front corner lot) (attached or detached homes) commercial, industrial) served by the street be Standard B 28 feet, more than 30 feet 20 feet, YES 1 to 3 lots with on-street parking high (measured with no on-street parking as described on one side above)? 28 feet, 28 feet, 4 or more lots with on-street parking with on-street parking on one side on one side NO These minimum vehicle roadway widths apply to streets up to 300 feet long that will not C be a Fire Apparatus Access Road, and if the buildings are also not anticipated to be over YES 30 feet high (measured at the eaves of a sloped roof, or the top of the parapet for a flat roof). Fire apparatus access roads must be within 150 type of development served by the street feet of all portions of the exterior wall of the first number of lots floor of the buildings, as measured via an approved served by the street single family lots other lots (multifamily, route around the exterior of the building. Through a Will the (including the front corner lot) (attached or detached homes) commercial, industrial) Fire Bureau standard exception, this distance can be proposed street be 24 feet, extended to 250 feet if fire suppression sprinklers are a fire apparatus NO 16 feet, 1 to 3 lots with on-street parking provided. If the required access standard cannot be access road? with no on-street parking met using the abutting public streets, then all (or a on one side portion of) the new private street will be a fire Standard C 28 feet, apparatus access road. Refer to the Portland 24 feet, 4 or more lots Fire Design Guide. with on-street parking with on-street parking on one side on one side updated 7/19/09 possible siteconditions ordesignoptions). 4) SeeBESStormwater ManagementManual forspecificstormwater managementrequirements (thisdrawingdoesnot reflectall 3) Soilsshallbecompacted toatleast90percentofthemax.drydensitydetermined byASTMD1557 2) Utilitytrenchingbackfilled with3/4minuscrushedrockcompactedtoatleast 90%ofthemax.drydensitydeterminedbyASTMD1557 1) Longitudinalslopeshall be between1%and15%. Notes:

tract boundary setback 1foot total tractwidthvaries as necessarytoaccommodaterequiredright-of-way elements-see Table 1 over 11/2inchesClassBmix width var. slope from tractboundary roadway improvement,andonefoot slope beginsatleastonefootfrom maximum 50percentslope 1 1/2inchesClassCmix OR 3inchesClassCmix asphaltic concrete setback 1foot curb width varies,seeFigure3 Typical PrivateStreetSection 2 and6percent,towardswale cross slopebetween crushed rock 1 1/2minus RD700 Standard Drawing per ODOT Oregon curb andgutter roadway 6 inches Typical Details(AppendixG.3,SW-330) Stormwater ManagementManual (Appendix G.3andG.4) Management Manual Typical Details swale withstreettreeperBESStormwater swale inletper

curb BES typically 8feetwide

vegetated swale swale vegetated setback 1foot 5 feetmin. crushed rock 1 1/2minus 2 inchesof cement over Portland 4 inches sidewalk sidewalk

tract boundary

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 4 updated 1/4/09 Curbing and Edge Restraint for Concrete Paving Block Roadway Surface

concrete collar/ flush curb extending to the depth of the base material)

6-12 inches

base material and bedding layer per BES Stormwater Management Manual Typical Detail SW-110

utility collar plan view

string course of paver blocks around collar concrete collar utilityutility covercover

a square concrete collar must be placed around utility covers and any drainage inlets (minimum 6 inches wide, set 1/4 inch below top of finished paver surface, traffic flow extending to the depth of the base material) utility cover or inlet

6 inches min.

use geotextile fabric around collar to prevent loss of bedding Notes: sand into utility backfill 1) See Chapter 2 of the BES Stormwater Management Manual for stormwater management requirments, and facility design specifications.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 5 updated 1/4/09 Hammerhead Turnaround for Private Streets More Than 300 Feet Long

25' 0" curb radius 45' 0"

hammerhead may extend from either side of the 20' 0" street 70' 0" curb face tract boundary

roadway width per Figure 3

Notes: 1) Dimensions shown are from curb face to curb face. The total size of the street tract will vary, to accommodate setbacks, sidewalks, street trees, stormwater facilities, and any other required right-of-way elements.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 6 updated 12/26/08 Circular Cul-de-Sac Turnaround for Private Streets More Than 300 Feet Long

45 ft - 0 in curb radius

25 ft - 0 in radius

optional - this area landscaped, paved with porous pavement, or paved with concrete paver blocks (where appropriate)

curb face tract boundary

25 ft - 0 in curb radius roadway width per Figure 3 Notes: 1) Dimensions shown are from curb face to curb face. The total size of the street tract will vary, to accommodate setbacks, sidewalks, street trees, stormwater facilities, and any other required right-of-way elements.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 7 updated 12/26/08 Hammerhead Turnaround for Private Streets More Than 300 Feet Long ("T" Alternative)

45' 0" 45' 0"

20' 0" centerline

25' 0" curb radius curb face tract boundary roadway width per Figure 3

Notes: 1) Dimensions shown are from curb face to curb face. The total size of the street tract will vary, to accommodate setbacks, sidewalks, street trees, stormwater facilities, and any other required right-of-way elements.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 8 updated 12/26/08 Circular Cul-de-Sac Turnaround for Private Streets that Do Not Exceed 300 Feet Long

18' 0" curb radius offset option

15' 0" curb radius

18' 0" curb radius curb face tract boundary

roadway width per Figure 3

15' 0" curb radius curb face tract boundary roadway width per Figure 3

Notes: 1) Dimensions shown are from curb face to curb face. The total size of the street tract will vary, to accommodate setbacks, sidewalks, street trees, stormwater facilities, and any other required right-of-way elements.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 9 updated 10/10/08 Hammerhead Turnaround for Private Streets that Do Not Exceed 300 Feet Long

20' 0" curb radius

40' 0" hammerhead may extend from 50' 0" 20' 0" either side of the street curb face tract boundary

roadway width per Figure 3

Notes: 1) Dimensions shown are from curb face to curb face. The total size of the street tract will vary, to accommodate setbacks, sidewalks, street trees, stormwater facilities, and any other required right-of-way elements.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 10 updated 10/10/08 Dead End Streets (Measuring Length)

measure length to center of turnaround

centerline of turnaround leg

x x

Notes: 1) Where there is no turnaround, street length is measured to the end of pavement.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 11 updated 10/17/08 Allowed On-Street Parking Configurations

parking lane option

(roadway width per Figure 3) travel lane

parallel parking bay option perpendicular parking bay option curb radius 10' curb radius 3'

width of parking bay = 9 feet x __ spaces + 3 feet 22' 6" (for example, this bay is 30 feet wide, for 3 spaces) 28' to 33’ min. 22' 6" 18' 0" min.

(minimum roadway (minimum 20 feet, or minimum roadway width per Figure 3) width per Figure 3 if more than 20 feet)

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 12 updated 7/19/09 Private Street Signs

street name sign retro-reflective weather resistant material, with green lettering at least 4 inches high on a white background SE MAIN COURT 6" no parking signs

red lettering on a white reflective background see OFC D103.6 18" 18" shared court sign

12" 12"

24"

18" 18"

12" 12" W3262, diamond-shaped with a black legend and border on a yellow background (see Manual on Uniform Traffic Control Devices). W16-1, black lettering on a yellow background (see Manual on Uniform Traffic Control Devices). Notes: 18" 1) A private street name sign shall be posted at the private street entrance. 2) Spacing for no parking signs as approved by the Fire Bureau. 3) In place of no parking signs, curbs may be painted red 12" and marked “NO PARKING FIRE LANE”. Lettering shall have a stroke of not less than 1 inch wide by 6 inches high. Lettering shall be white on red background (OFC 503.3). 4) Post signs W3262 and W16-1 at entance to shared court.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 13 updated 6/26/10 Sidewalk Location Options for Hammerhead Turnarounds

accessible curb ramps per Oregon Standard Drawing RD760

this segment of sidewalk surface flush with roadway (must be different surface material than roadway)

tract boundary grade-separated sidewalk curb grade-separated sidewalk curb

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 14 updated 12/26/08 Street Tree Configuration Options

Option 1, Tree Planting Strip 30’ 0”

sidewalk (where required) 4 foot planting strip curb

travel lane (roadway width per Figure 3)

vegetated stormwater facility with Option 2, Stormwater Facility Planting trees per BES Stormwater Management sidewalk (where required) Manual Appendix G.4

combination curb and gutter travel lane (roadway width per Figure 3) Option 3, Sidewalk Tree Wells 4’ x 4’ tree well in sidewalk corridor 30’ 0” sidewalk maintain 3’ clear

curb

travel lane (roadway width per Figure 3) Option 4, Parking Lane Tree Wells decorative bollards or tree guards around tree

50’ 0” curb combination curb and gutter travel lane (roadway width per Figure 3) 5' x 5' planting well surrounded by concrete collar curb, flush with roadway surface

Note: Trees that are planted must provide a 13' 6" clearance for fire department access and must not interfere with aerial apparatus access for buildings that exceed 30 feet in height.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 15 updated 6/26/10 Shared Court Clear Zone (indicated on this drawing by diagonal lines) keep shrubs and groundcovers minimum 5’ clear zone low here (see note 3) inside curve radius turning/backing area for at driveway, garage, driveway, garage, or parking bay or parking approach garage door min. 9 feet wide 20' 20' 0" mark boundary between clear zone amenity and other areas of the (tree well, planter, driveway, garage or shared court by bench, etc.) off street parking using a different space dimensions per paving pattern or minimum 15’ inside Zoning Code materials curve radius at clear zone turn or offset no amenities allowed in clear zone

designated on-street parking: must satisfy dimensional req. of Zoning Code Chapter 33.266, must have distinct

edge of pavement 12' 0" clear paving pattern or zone materials, and must be outside Notes: clear zone

1) Planters, benches, and other similar amenities shall be designed to retain clear sight lines between 2 feet and 6 feet above grade, both within and outside the clear zone. 2) Trees, shrubs and groundcover planting within the tract shall be a species with an expected growth pattern that will not place dense foliage between 2 feet and 6 feet above grade. 3) Shrubs and groundcover planting shall be less than 1 foot tall in any area within 2 feet of a clear zone that may be used as a vehicle backing area, in order to avoid a bumper hitting. 4) Underground utilities are typically located within the clear zone. Utility requirements may dictate that the clear zone be wider than 12 feet.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 16 updated 7/3/09 creates offset inclearzone landscaped areaorplanter

accessible route (see Figure 18) Chicane OffsetOption clear zone 12 ft-0in offset 6 feet (example) or more velley gutter

boundary of clear zone distinguished by paving pattern and valley gutter Shared CourtsOver100FeetLong Traffic CalmingMeasuresfor at offset curve radius inside clearzone minimum 15-foot creates offset inclearzone tree wellsandbollards arrangement of - framepinchpointwith acceptable treatments: - narrowingclearzone - speedbumps/tables; landscape features. by usingdifferent progressivly taller paving materials; pinch point -bollards; Pinch PointOption clear zone 15 ft-0in 12 feet (example) accessible route (see Figure 18)

boundary of clear zone marked by flush curb point narrower pinch or plantercreates landscaped area

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 17 updated 7/3/09 1 foot use concretepathwithincourt provide accessibleroute for paverblocksand to providelateralstability (flush withroadway) paving blockarea surrounding concrete surface (not gradeseparated) public street

accessible route paver blocks porous concrete or equalto6millimeters 5 feet or abevellessthan with flushtopedge sand-set bricksor concrete pavers Shared Court use accessiblepavers public street

accessible route Accessibility Options per Portland Transportation driveway approach visuallyimpaired way-finding for for morepredictable of streettreesprovides regular spacing visually impaired way-finding devicefor building wallprovide flush concretecurband or equalto6millimeters requirements or abevellessthan with flushtopedge separate sectionof sand-set bricksor concrete pavers minimum 3’ clear use multiplepavementsections street surfaceatthetrunkoftree. Note: Tree limbsshallbeatleast6fetabovethe accessible route public street visually impaired way-finding devicefor building wallprovide flush concretecurband paver blocks porous concrete

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 18 updated 7/3/09 Common Green and Pedestrian Connection Improvements

a common green must include at least 400 square feet of grassy area, play area, or dedicated gardening space, which must be at least 15 feet wide on the narrowest street trees required dimension per Section III.I

Lot 3

Lot 4

common green paved pedestrian path Lot 2 to each lot per Section III.H and L Lot 5

Lot 1 private walkway Lot 6

public sidewalk 15 ft minimum tract width at narrow points

public right of way

Notes: 1) Gazebos, sculptures, art installations, ornamental water features, play equipment, benches, picnic tables, and other similar structures may be located within common greens. See Section III.O. 2) Stormwater facilities may be located within common greens or pedestrian connections. See Section III.L for specific standards.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 19 updated 1/4/09 Grading at Right of Way Edge

maximum existing grade 50 percent site boundary cut slope

setback from toe of slope 1 foot

1 foot street improvement

existing grade

retaining wall site boundary (see notes below)

1 foot setback

1 foot street improvement

Notes:

1) Engineering calculations are required for walls over 4 feet high. Engineering calculations may also be required for walls that are structurally integral to the street, where the site is steeply sloped, and for surcharged soils.

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 20 updated 12/26/08 information about meterplacementif thereisastormwaterinfiltration facilityinthepublic streetrightofway. 4) Watermeters mustbelocatedin the publicrightofway.For lotsthathavenopublic streetfrontage,meters mustbeinfrontofthe privatetractfrontage. See BESStormwaterManagement ManualAppendix G.3for utility laterals. 3) Sewerandwaterlaterals shouldberoutedtoindividuallotswithoutcrossing throughstormwaterswaleorplanters.Swales andplantersshouldbesetbackfromdriveway locationsbyseveralfeettoallowinstallation of 2) Utilitytrenchingistobe backfilledwith3/4minuscrushedrockcompacted to90%ofthemaximumdrydensitydetermined byASTMD1557. the OregonStatePlumbing Code. 1) Thisdrawingisintendedtoprovidegeneralguidance only.Itisnotdrawntoscale.Forspecificstandards,referthemostcurrenteditionof theBESSewerDesignManual,WaterBureauDeveloper'sand Notes:

tract boundary private water laterals private sewer laterals roadway private sewerlateral private waterlateral Utility section 24 in.min.cover B A private waterlateral within privatetract bundled inonetrench laterals maybe the publicrightofway private lateralswithin for watermetersand spacing (oncenter) maintain 18inch laterals (dimensionB) water andsewer between private horizontal separation minimum 12inches lateral (dimension A) above privatesewer must be24inches private waterlateral Utility Separation swale vegetated private sewerlateral within privatetract bundled inonetrench laterals maybe public sewermain lateral tapsintothe for privatesewer spacing (oncenter) maintain 5foot laterals (dimensionB) water andsewer between private horizontal separation minimum 12inches lateral (dimension A) above privatesewer must be24inches private waterlateral

tract boundary Typical PrivateStreetUtilityConfiguration(3Lots)

private sewer lateral Management Manual per BESStormwater or planterdetails stormwater swale public sewermain

curb 45 degrees max. bend o.c. min. 5 ft sewer laterals plan view

public street water laterals separation min. 5 ft.

vegetated swale public sidewalk public watermain 18 inchesoncentermin. private tract public rightofwayand boundary between private lateralsuntil spacing between maintain 18inches water meters(SEENOTEBELOW) 45 degrees max. bend curb

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 21 updated 11/4/09 Appendix G.3 forinformationaboutmeter placementifthere isastormwaterinfiltration facilityinthepublicstreet rightofway. 5) Watermetersmustbe locatedinthepublicrightofway.Forlotsthat have nopublicstreetfrontage,metersmustbe in frontoftheprivatetractfrontage.SeeBESStormwater ManagementManual allow installationoflaterals. 4) Sewerandwaterlaterals shouldberoutedtoindividuallotswithoutcrossing throughstormwaterswaleorplanters.Swales andplantersshouldbesetbackfromdriveway locationsbyseveralfeetto 3) Publicsewereasements arefortheexclusiveuseofpublicsewers.The ChiefEngineer(BES)mustapproveanyother utilityplacedwithintheeasementarea. 2) Utilitytrenchingistobe backfilledwith3/4minuscrushedrockcompacted to90%ofthemaximumdrydensitydetermined byASTMD1557. Oregon StatePlumbingCode. 1) Thisdrawingisintendedtoprovidegeneralguidance only.Forspecificstandards,refertothemostcurrenteditionofBESSewerDesign Manual,theWaterBureauDeveloper'sand Notes: sewer public main

tract boundary 6 ft.min.cover private sewerlateral private waterlateral Utility roadway private lateral water 24 inchesmin.cover section private waterlateral within privatetract bundled inonetrench laterals maybe the publicrightofway private lateralswithin for watermetersand spacing (oncenter) maintain 18inch laterals (dimensionB) water andsewer between private horizontal separation minimum 12inches lateral (dimension A) above privatesewer must be24inches private waterlateral Utility Separation A swale vegetated

private sewer lateral private sewerlateral within privatetract bundled inonetrench laterals maybe public sewermain lateral tapsintothe for privatesewer spacing (oncenter) maintain 5foot laterals (dimensionB) water andsewer between private horizontal separation minimum 12inches lateral (dimension A) above privatesewer must be24inches private waterlateral sidewalk Typical PrivateStreetUtilityConfiguration(6Lots)

tract boundary Management Manual per BESStormwater and planterdetails stormwater swale curb 5 feet for publicsanitarysewer

curb exclusive easement public sewer main 15 ft public sewermain roadway street private plan view public watermain water laterals public street

curb

vegetated swale

18 inchesoncentermin. private street sidewalk public sidewalk (SEE NOTEBELOW) water meters 45 degrees max. bend private tract way and public rightof boundary between private lateralsuntil spacing between maintain 18inches

City of Portland, Bureau of Development Services Private Street Administrative Rule Figure 22 updated 1/4/09