Tactical Urbanist's Guide to Materials and Design v.1.0

Page 31

HIGH PERFORMANCE DELINEATOR POST

K-71 DELINEATOR POST Typical Dimensions: 22 in. circumference, 33 in. high

Typical Dimensions: 27 in. - 36 in. high. Estimated Cost: $84 - 90$ / per delineator.

Estimated Cost: $91.25 / unit (including bolts). Price may decrease by ordering in bulk. Installation tools sold separately.

Overview: A high-performance delineator that remains flexible and continues to fully rebound even after 100 hits at 60mph.

Demo (1 day - 1 month)

Pilot (1 month - 1 year)

F Interim (1 - 5 years)

Recommended Applications and Installation ɖBikeways: ɖ Center delineator within the buffer zone along the edge of the bikeway. Typical spacing is every 8 - 20 ft., depending on the thoroughfare’s design speed / bikeway configuration.. Delineators can also be placed to one side or the other as site conditions dictate (such as street sweeper width or vehicle door opening). Allow a minimum of 1.5 ft. clear width for installation. ɖMedian ɖ Islands: Place approximately 2 - 3 ft. apart to demarcate median area. Provide a minimum 6 ft. break for crosswalk/pedestrian accessibility. ɖCurb ɖ Extensions: Place along edge, approximately 1 post every 8 - 10 ft. ɖPlazas: ɖ Place along edge of plaza area, approximately 1 post every 8 - 10 ft. ɖRoundabouts: ɖ May be used to demarcate roundabout area, in conjunction with signs and other design elements. Tips and Considerations »» Very high performance and durable delineator. Remains flexible and continues to fully rebound even after 100 hits at 60mph. Withstands slow crushing from heavy vehicles (trucks, buses, etc.). »» When used alongside bikeways, consider 27 in. posts to reduce the chances of interfering with bicycle handlebars. Potential Sources »» Purchase from traffic control or construction equipment supplier: Pexco is one potential source. http://www.pexco.com/markets/industrial/traffic/bollards-and-channelizer-posts/city-post/

Overview: Large durable delineator posts that pop back up after being hit by vehicles up to 65 mph.

Demo (1 day - 1 month)

Pilot (1 month - 1 year)

F Interim (1 - 5 years)

Recommended Applications and Installation ɖBikeways: ɖ Center delineator within the buffer zone along the edge of the bikeway. Typical spacing is every 8 - 20 ft., depending on the thoroughfare’s design speed / bikeway configuration. Allow a minimum of 2 ft. clear width for installation. ɖMedian ɖ Islands: Place approximately 2 - 3 ft. apart to demarcate median area. Provide a minimum 6 ft. break for crosswalk/pedestrian accessibility. ɖCurb ɖ Extensions: Place along edge, approximately 1 post every 8 - 10 ft. ɖPlazas: ɖ Place along edge of plaza area, approximately 1 post every 8 - 10 ft. ɖRoundabouts: ɖ May be used to demarcate roundabout area, in conjunction with signs and other design elements. Tips and Considerations »» Requires drilling and adhesive. Materials for installation include: T-Bar; Metal Pavement Sleeves; metal reinforcement screen; adhesive; manual pump gun; and nozzles. »» Request NTPEP certifications to ensure safety / durability. »» May be combined with rubber curbing as barrier element. »» Large size can help reinforce design intent and enhance cyclist comfort. »» May need to be removed seasonal to facilitate snow plowing. »» Available in a variety of colors; Potential Sources »» Purchase from traffic control or construction equipment suppliers. MATERIALS PALETTE · Barrier Elements · 31


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