Broadway Avenue Streetscape Project City of Albert Lea. Streetscape Design Committee Meeting October 29, 2012

Transcription

1 Broadway Avenue Streetscape Project City of Albert Lea Streetscape Design Committee Meeting October 29,

2 Presentation Outline Street Widths, Sidewalk Widths and Bump-Out Configuration Decorative Sidewalk and Crosswalk Treatment Water Street Plaza William Street Plaza Fountain Lake Park Improvements Light Fixtures on Broadway Stormwater Discussion 2

3 STREET WIDTHS, SIDEWALK WIDTHS AND BUMP-OUT CONFIGURATION 3

4 Street Widths, Sidewalk Widths and Bump-Out Configuration Based on input from City Staff, Streetscape Design Committee and City Council, proceed with current street width and bumpout configuration Dropped curb at intersections Reduce or eliminate reverse curves at curb tie-ins (to extent practical) Remove existing signal systems and replace with four-way stops 4

5 5 Typical Block Layout

6 6 Proposed Street/Sidewalk Section

7 7 A Sample Block

8 8 Bumpouts w/ Amenities

9 DECORATIVE SIDEWALK, CROSSWALK, AND PAVEMENT TREATMENT 9

10 Decorative Sidewalk, Crosswalk and Pavement Treatment Based on input from City Staff, Streetscape Design Committee and City Council, proceed with concrete pavers for decorative sidewalk, crosswalks and pavement (pedestrian plaza) Color: Millstream (Red and Grey Mix) Pattern: Herringbone Pavers in Sidewalk: Size: 7⅞ x 3⅞ x 2⅝ Subbase type: Concrete w/ sand setting bed Paver on Crosswalk Size: 7⅞ x 3⅞ x 3⅛ Subbase type: Concrete w/ bituminous setting bed 10

11 11 Enhanced Pavement

12 12 Enhanced Pavement

13 13 WATER STREET PLAZA

14 Water Street Plaza Based on input from City Staff, Streetscape Design Committee and City Council, consider two options: Full Streetscape Treatment (Estimated Cost $160,000) Decorative concrete pavers for street and sidewalk Trees and tree grates Decorative street lighting Other landscaping amenities benches, litter receptacles, planters Limited Streetscape Treatment (Estimated Cost $125,000) Eliminate decorative concrete pavers in sidewalk and pavement areas and use plain concrete Trees, decorative street lighting, and other landscaping amenities same as full streetscape design 14

15 15 Water Street Plaza

16 Water Street Plaza Preliminary Cost Estimate Water Street Pedestrian Plaza : $161,700 16

17 Water Street Plaza Preliminary Cost Estimate Reduced Scope Water Street Pedestrian Plaza: $125,000 ($36,700 less than full design) 17

18 18 WILLIAM STREET PLAZA

19 William Street Plaza Based on input from City Staff, Streetscape Design Committee and City Council, utilize limited streetscape treatment : Full Streetscape Treatment: ($115,000) Plain concrete for street and sidewalk Trees and tree grates Decorative street lighting Other landscaping amenities benches, litter receptacles, planters 19

20 William Street Plaza Preliminary Cost Estimate William Street Pedestrian Plaza $115,000 20

21 FOUNTAIN LAKE PARK IMPROVEMENTS 21

22 Fountain Lake Park Improvements Based on input from City Staff, Streetscape Design Committee and City Council, proceed with Broadway Avenue/Fountain Street intersection and Fountain Lake Park as previously presented Items requiring further investigation/discussion: Size, configuration, design of dock Repairs to overlook 22

23 23 Fountain Lake Park

24 24 Fountain Street Connection

25 25 Fountain Lake Park Accessible/Maintenance Access

26 26 Fountain Lake Park

27 27 Fountain Lake Park

28 28 Fountain Lake Park

29 29 Fountain Lake Park Lookout Area

30 30 Fountain Lake Park Lookout Seating

31 Fountain Lake Park Preliminary Cost Estimate Fountain Lake Park Improvements $350,000 31

32 32 STREETSCAPE AMENITIES

33 33 Bench Litter Receptacle

34 34 Planters Concrete

35 35 Bollards

36 36 Kiosk -Wayfinding

37 37 LIGHT FIXTURES ON BROADWAY

38 Light Fixtures on Broadway Avenue Based on input from City Staff, Streetscape Design Committee and City Council, the following street lighting design is recommended: Mid-block street lights: 15-foot high standards: Black or Dark Green decorative poles LED Acorn-style fixture: Lumec Serenade or similar, dimmable Fixtures for hanging banners 10 feet to bottom of banner Duplex outlets up towards the top of pole for festive lights Intersection street lights: 30-foot high standards: Black or Dark Green decorative poles LED drop globe downlight-style fixture: Lumec Domus or similar, dimmable Fixtures for hanging banners 10 feet to bottom of banner Duplex outlets 38

39 39 Mid-Block Street Lights

40 40 Intersection Street Lights

41 STORM SEWER AND STORMWATER TREATMENT DISCUSSION 41

42 Previous Storm Sewer and Storm Water Treatment Option Area north of Clark Street: Collect storm water run-off in a storm sewer system that runs north to lake Treat storm water in rain garden in Fountain Lake Park before discharging to lake Area south of Clark Street: Collect storm water run-off from area south of Clark Street in a storm sewer system that connects to existing storm sewer on William Street Storm sewer system on William Street flows to Morin Park storm water lift station Treat storm water using tree filter boxes Tree filter boxes: Expensive to construct Will require frequent cleaning and maintenance Limits tree grate configuration and size of tree 42

43 43

44 44 Tree Box Filters

45 Alternative Storm Sewer and Storm Water Treatment Option (Preferred) Collect storm water run-off from entire project corridor in a storm sewer system that runs north to lake Treat storm water in rain garden in Fountain Lake Park before discharging to lake Treatment effectiveness will be reduced slightly larger drainage area flowing to rain garden Storm sewer on Broadway Avenue will be deeper (approx 9 max). No storm water will be directed to storm sewer on William Street Area draining to Morin Park storm water lift station will be reduced slightly (approx 1.3 acres) max.) 45

46 46

47 47 Preliminary Cost Estimate

48 Broadway Avenue Streetscape Project Thanks for your time! 48