I-405 Sepulveda Pass Improvements Project. Community Advisory Committee July 28, 2011

Transcription

1 I-405 Sepulveda Pass Improvements Project Community Advisory Committee July 28,

2 Wilshire Segment 2

3 Wilshire Segment (National to Waterford) Ramp and Wall Construction at Sepulveda/Wilshire Intersection 3

4 Wilshire Segment (National to Waterford) Ramp and Wall Construction at Sepulveda/Wilshire Intersection 4

5 Wilshire Segment Wll Wall construction between Santa Monica and Ohio Looking south on Cotner, from Ohio to Santa Monica Bl 6

6 Wilshire Segment Wll Wall construction between Santa Monica and Ohio Looking north on Cotner, toward Ohio Av 6

7 Wilshire Segment Wall construction between Santa Monica and Ohio Looking north toward Ohio Av 7

8 Wilshire Segment Wall construction between Santa Monica and Ohio Looking northeast; worker seals openings with epoxy. 8

9 Wilshire Segment Wall construction between Santa Monica and Ohio Behind the K-rail along Cotner, a worker drops spacing blocks where they will be needed. 9

10 Wilshire Segment Wilshire Bl Undercrossing Wing Walls Progress 6

11 Wilshire Segment Wilshire Ramp construction north of Ohio 6

12 Wilshire Segment Southbound off-ramp to Santa Monica takes shape 12

13 Wilshire Segment Girders now in place on SB I-405 over Santa Monica Bl undercrossing 13

14 Wilshire Segment Girders in Place on Constitution i Undercrossing 14

15 Wilshire Segment Girder Setting Schedule: requires full street closures Santa Monica southbound side Complete Santa Monica northbound side August 3-5 Constitution - Complete Olympic August Ohio NB September Ohio SB November Sepulveda September 15

16 Wilshire Segment Top 5 Upcoming Activities Wilshire on- and off-ramps abutment forming and pouring Beloit Av sound wall construction NB 405 to EB 10 connector drainage line installation NB 405 to WB Wilshire on- and off-ramp extended closures 16

17 Wilshire Segment Top 5 Upcoming Activities (Contd.) Relocating utilities at Wilshire 9

18 Wilshire Segment Extended ddramp Closures Maximum Ramp Date Duration (Days) WB Wilshire on-ramp to NB 405 October NB 405 off-ramp to WB Wilshire October WB Wilshire on-ramp to SB 405 TBD 14 EB Wilshire on-ramp to SB 405 TBD 14 SB 405 off-ramp to WB Wilshire TBD 14 SB 405 off-ramp to EB Wilshire TBD 90 NB 405 off-ramp to EB Wilshire lh TBD 21 EB Wilshire on-ramp to NB 405 TBD 90 SB 405off-ramp to Santa Monica TBD 14 NB 405 on-ramp from Santa Monica TBD 7 SB 405 on-ramp from Santa Monica TBD 7 18

19 Extended Ramp Closure NB 405 to WB Wilshire Off-Ramp 19

20 Extended Ramp Closure NB 405 to WB Wilshire On-Ramp 20

21 Extended Ramp Closure Outreach Plan Use Lessons Learned from Mulholland Demolition Eblasts to 6,000 agencies and business groups Variety of media events by Metro Media Relations Detour maps, updates via Metro.net, I-405 website Changeable message signs, static signs and traffic control officers Repeated warnings via I-405 social media sites Community Meeting in September (date TBD) 21

22 Wilshire Segment 38

23 Sunset Segment 23

24 Sunset Segment Click to edit Master title style Freeway widening and wall improvements north of Moraga Dr Click to edit I-405 Master Freeway text styles Second level Wall 1766 Third level Fourth level» Fifth level Moraga Dr Wall

25 Sunset Segment Wall Construction Continues Tie backs at Walls 1720/1730 have been installed and are being tested; utility relocation a priority Sections of 16-inchdiameter petroleum pipe wait for installation along Sepulveda Bl. 25

26 Sunset Segment Wall Construction Continues (contd.) Remains of retaining wall being removed 26

27 Sunset Segment Widening of Montana Av Undercrossing Continues Rebar placed above girders 27

28 Sunset Segment Widening of Montana Av Undercrossing Continues (Contd) 28

29 Sunset Segment Widening of Montana Av Undercrossing Continues (Contd) Worker injects epoxy around rebar 29

30 Sunset Segment Widening of Montana Av Undercrossing Continues (Contd) Rebar will be covered with concrete to form new deck of expanded Montana undercrossing. 30

31 Sunset Segment Montana Undercrossing Widening Typifies Bridge Work (Before) 31

32 Sunset Segment Montana Undercrossing Widening Typifies Bridge Work (After) 32

33 Sunset Segment Click to edit Master title style Wall Construction Continues Wall 1827 (55 feet high, 500 feet long) SB Getty on-ramp Click to edit Master text styles SB Getty On-Ramp Wall 1827 I-405 Freeway Second level Third level Fourth level» Fifth level Sepulveda Bl N 33

34 Sunset Segment Getty Center Dr undercrossing widening will start this summer, during non-visiting hours Getty Center I-405 Freeway Sepulveda Bl N 34

35 Sunset Segment Click to edit Master title style Wall Construction Continues Click to edit Master text styles Wall 1746 Wall 1738B Second level Third level Fourth level» Fifth level Wall 1738C Wall 1738A N 35

36 Sunset Segment Click to edit Master title style Utility work continues on Sunset Bl and on Sepulveda Bl Click to edit Master text styles I-405 Freeway Second level Third level Sepulveda Fourth Way level» Fifth level 36

37 Sunset Segment Click to edit Master title style Sunset Bridge and ramp construction continues: abutments, wing walls, deck and utilities Click to edit Master text styles Second level Third level Fourth level» Fifth level In this view looking northwest, the 36-inch water line can be seen in the upper right. 37

38 Sunset Segment Click to edit Master title style Building a Home for the 36-Inch Water Line in Sunset Bridge From the west side looking east Click to edit Master text styles From the east side looking west Second level Third level Fourth level» Fifth level 38

39 Sunset Segment Click to edit Master title style I-405 northbound off-ramp to Sunset Bl takes shape Click to edit Master text styles Second level Third level Fourth level» Fifth level 39

40 Sunset Segment Click to edit Master title style Excavation of DWP Duct Bank Continues on Sepulveda Wy Click to edit Master text styles Second level Third level Fourth level» Fifth level 40

41 Sunset Segment Click to edit Master title style Construction ti of Wall 1746 Continues Along NB Sepulveda Bl Click to edit Master text styles Second level Third level Fourth level» Fifth level Overhead power lines complicate wall construction 41

42 Sunset Segment Click to edit Master title style Closure of S. Church Ln continues for water line and civil improvements Extended closure of the southbound ramp will take place for 14 days Click to edit Master text styles SB on-ramp Second level Third level Fourth level l» Fifth level 42 42

43 Sunset Segment Click to edit Master title style Extended closure of Church Ln at Sunset will take place for 14 days Click to edit Master text styles Second level Third level Fourth level l» Fifth level 43 43

44 Sunset Segment Click to edit Master title style Street improvements require an extended closure Click to edit Master text t styles Second level Third level Fourth level» Fifth level I-405 Freeway 44 44

45 Completed Sunset Bridge Click to edit Master title style Click to edit Master text styles Second level Third level Fourth level» Fifth level 54

46 Mulholland Segment 46

47 Mulholland Segment (Sepulveda to Ventura) Top 5 Upcoming Activities iti Reconstruction of the north half of Skirball Bridge Utility relocation on Sepulveda Bl and Skirball Bridge Freeway overpass/bridge widening at Bel Air Crest Retaining walls construction in Sherman Oaks (east of I-405) Mulholland Bridge reconstruction 47

48 Mulholland Mulholland Segment Segment Key Construction Progress Retaining i wall construction near Bel Air Crest Skirball Bridge Reconstruction Skirball Bridge deck panels installation completed Pouring of bridge deck scheduled in mid-august 26 48

49 Mulholland ll Segment Key Construction Progress (Contd.) Mulholland Bridge Demolition: Demolition of south half of Bridge completed Sunday morning I-405 freeway reopened 17 hours earlier than scheduled Almost 2/3 to 1/2 less traffic than normal on I-405 near full-freeway closure Next bridge demolition scheduled in mid

50 Mulholland ll Segment Demolition of Mulholland Bridge Phase I Saturday 50 50

51 Mulholland ll Segment Demolition of Mulholland Bridge Phase I (Contd.) Sunday morning before reopening 51 51

52 Mulholland Bridge Demolition and Reconstruction Completed Mulholland Bridge 52 52

53 For More Information Project Hotline: (213) t/405 Twitter: Nixle: nixle.com 53