HomeMy WebLinkAboutPW Multi-Use Path Study Session PPT 8' S' _ 21_ _ 10.5' BIKE SIDEWALK - TRAVEL RETAINING WALL — t EXISTING SHEET BIKE / PILE WALL i i EXISTING WETLAND 40.5' 105, 2' TRAVEL 10' MIN CLEARANCE w z —Y Za PED ------------ ALTERNATIVE CONCEPT 1 B NOT TO SCALE EXISTING SHEET % PILE WALL I nor EXISTING WETLAND 9' BIKE ( PED. TRAVEL 40.5' 10.5' 2' TRAVEL 10' MIN CLEARANCE DECOMPOSED GRANITE "BUFFER" ALTERNATIVE CONCEPT 1C NOT TO SCALE 40.5' FACE OF WALL TO BACK OF BARRIER ALL CONCEPTS I" BIKEWAY 4 EXISTING GROUND ------ --1 EXISTING SHEET PILE WALL 10'BIKE PATH / Ir ' CANTILEVER, RETAININGWAL CANTILEVER asNEEDED � I _ EXIBTING wELLANo _ PEO TRAVELLANE SIGEWAL3( 11' 2.5 10' MIN TRAVEL LANE CLEARANCE Z �Y z¢ �F SMART BARRIER WITH FENCE MLI G't IVMI IVC 3 PATH ON BOTH SIDES OF CHANNEL FOR 200' SOUTH OF IRWIN ST NOT TO SCALE BIKEWAY RETAINING WALL — F—ING SHEET PILE WALL EXISTING WERANC _ SM— BARRIER WITH FENCE ALTERNATIVE 3 PATHWAY ALONG STREET NORTH OF RICE DR NOTTOSCALE Conclusion •Confirmation of right-of-way remains the most pressing constraint. •A variety of alignments & X -sections are physically feasible. •Alternatives 1 options minimize drainage channel impacts. •City Street Section Option and Alternative 3 may be feasible. •All options cantilever path for 200+ feet south of Irwin. •Pathway has neither CEQA nor NEPA clearance. alta houlders and Shading 1 foot traffic lanes, 2 foot 10 foot Multiuse Path 10 foot Multiuse Path Bikeway clearance to Right of way needs Right of way needs Minor Bank Encroachment Channel Cantilever oadway Facilities Bikeway Facilities Pedestrian Facilities vehicle lanes (Feet) (Per Property Maps) (Per Valuation Maps) Environmental Impacts Width at Pinch Point 2 foot traffic lanes, 4 foot 4 foot on -street bike 5 foot sidewalk 7 3 Parcels 0 -1 Parcels Minor Bank Encroachment 5 to 6 feet houlders/bike lanes lanes none 0 3 Parcels 0 -1 Parcels Minor Bank Encroachment none 2 foot traffic lanes, 4 foot 4 foot on -street bike 6 foot sidewalk 0 3 Parcels 0 -1 Parcels Bank Encroachment and 5 to 6 feet houlders/bike lanes lanes 3 foot buffer . 55 3 Parcels 0 -1 Parcels Cantilever or Culvert 5 to 6 feet 1 foot traffic lanes, 2 foot 7- 8 foot bikeway 5 foot sidewalk 7+ 3 Parcels 0 -2 Parcels Minor Bank Encroachment 3 to 4 feet on east houlders 12 foot Multiuse Path 12 foot Multiuse Path 2.5 (Contraflow) 3 Parcels 0 -1 Parcels and Shading + Bridge Xing 5 to 6 feet houlders and Shading 1 foot traffic lanes, 2 foot 10 foot Multiuse Path 10 foot Multiuse Path 4 3 Parcels 0 -1 Parcels Minor Bank Encroachment 5 to 6 feet houlders with 2 foot raised buffer with 2 foot raised buffer and Shading 0.5 foot traffic lanes, 1.5 8 foot bikeway 5 foot sidewalk 7 3 Parcels 0 -1 Parcels Minor Bank Encroachment 5 to 6 feet )ot shoulders and Shading 0.5 foot traffic lanes, 1.5 9 foot Multiuse Path 9 foot Multiuse Path with Minor Bank Encroachment )ot shoulders with 3 foot buffer 3 foot buffer . 55 3 Parcels 0 -1 Parcels and Shading 5 to 6 feet 1 foot traffic lanes, 2 foot 7- 8 foot bikeway 5 foot sidewalk 7+ 3 Parcels 0 -2 Parcels Minor Bank Encroachment 3 to 4 feet on east houlders and Shading + Bridge Xing 1 foot traffic lanes, 2 foot 10 foot bikeway 6 foot sidewalk 8+ 3 Parcels 0 -2 Parcels Bank Encroachment, 3 to 4 feet on east, 2- 3 houlders Shading + Bridge Xing feet on west