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147th Street Roundabout
UPDATES & ROAD CLOSURES

October 19

Ravinia Avenue from 144th Place to 149th Street and 147ths Street at LaGrange Road will be closed on Saturday October 27th, 2018 from 7 AM to 7 PM for Asphalt Paving. Local businesses in the area will still be accessible and the municipal parking lot will still be accessible from the south entrance.





OCTOBER 2018

On October 15th the roundabout will be opened and vehicles will have to follow the designed traffic pattern.  The east half of the splitter islands on Ravinia Avenue, north and south of the intersection, will be constructed under live traffic.

Barrels will be in place to delineate driving path. The east half of the center truck apron will also be constructed under live traffic also using barrels to delineate the driving path. All directional signage will be in place as well as temporary lighting prior to opening roundabout.

 

Remaining landscaping work and decorative lighting will be completed using lane closures, as needed.



September 9-18:

- Len Cox & Sons finishing installation of Stage 2 storm sewer structures. Completing Stage 2 existing sanitary, storm, and water structure adjustments and reconstructions.
- R. W. Dunteman grading and compacting subgrade for Stage 2 pavement. Laying and compacting PGE for Stage 2 aggregate subgrade improvement.

September 2-8:

- AES Services staked out Stage 2 storm sewer structures as necessary
- Len Cox & Sons continued installation of Stage 2 storm sewer structures.

*Weather conditions on 9/6 and 9/7 will result in delays of Stage 2 work until the following week.

September 2 - September 8:

- AES Services staking out Stage 2 storm sewer structures as necessary
- Len Cox & Sons continuing installation of Stage 2 storm sewer structures and adjustment of existing sanitary and water structures as necessary.
- R. W. Dunteman to begin Stage 2 grading/earthwork by the end of the week 

August 26- September 1:
 
- 147th St Village Hall entrance was closed to traffic at the end of the day Saturday, 8/25. Allowable 30 day max closure requires this entrance to be reopened to traffic by the end of the day Monday, 9/24.

- R. W. Dunteman removed Stage 2 curb and gutter and sidewalk along 147th St Village Hall entrance and west side of Ravinia Ave. Removed remainder of existing pavement and previously placed temporary pavement along 147th St Village Hall entrance and west side of Ravinia Ave. Performed 2” surface removal at north, south, and west project limits.

- Elmund & Nelson removed/salvaged existing light pole and lighted bollards along 147th St Village Hall entrance.

- Len Cox & Sons began installing Stage 2 storm sewer structures and adjusting existing sanitary and water structures as necessary.






147th Street East of Ravinia to Open Aug 24, Entrance to Village Hall Closes Temporarily

By the end of the work day on August 24, 147th Street east of Ravinia Avenue will be open to traffic. 

Also on Aug 24, the 147th Street entrance to the Village Hall will be closed with the onset of the removal of pavement and curbs on Saturday August 25. The Village Hall entrance at 147th Street will be closed for 30 consecutive calendar days starting August 25, 2018.

The contractor will be required to maintain two entrances to the Village Hall at all times during this period to allow for access.


Aug 12-18:

- Len Cox & Sons making final structure adjustments and placing frames for structures in curbline along 147th and Stage 1 Ravinia.

- AES providing layout for proposed items as needed.

- Elmund & Nelson pouring concrete light pole foundations and pulling electrical wiring as needed for Stage 1.

- R. W. Dunteman continuing RAP subbase capping installation. Pouring all Stage 1 curb and gutter, sidewalks, and concrete base for brick paver areas. Placing binder course asphalt for all Stage 1 proposed pavement and temporary pavement areas.



Aug 5-11: 



-Len Cox & Sons reconstructed existing valve vault and storm manhole.

-AES Services provided layout for proposed items, as needed.

- Elmund & Nelson installed galvanized conduit for proposed electrical items across  
  Stage 1 pavement.

- R. W. Dunteman excavated 147th Street to final subgrade and proofrolled. Removed unsuitable soils and placed aggregate subgrade improvement as necessary. Placed PGE subbase for 147th Street, then placed 3” RAP subbase capper for Stage 1 Ravinia Ave and 147th St.


 

 

July 22-28: 

 

 

 

 

- Highway Safety Corp. placed all detour signage on Monday, and closed 147th Street to traffic on Tuesday. Tuesday (6/24) was day 1 of the allowable 30 day closure.

- AES Services staking out Stage 1A storm sewer structures and entire curb line/radii for Stage 1.

- Len Cox and Sons continued to work on Stage 1 and 1A storm sewer structures along Ravinia and 147th St.

- R. W. Dunteman removed existing curb and gutter along Ravinia, removed pavement along 147th Street, graded to final subgrade along Ravinia for Stage 1. Removed existing driveway pavement for commercial entrance on east side of Ravinia.

July 28-Aug 4:
- Len Cox & Sons completing all Stage 1 storm sewer installation and existing storm sewer removals. Adjusting existing water main as necessary for storm sewer installation at Ravinia &147th.

- R. W. Dunteman final grading subgrade along Ravinia for Stage 1, proof rolling, performing undercuts where necessary, and placing PGE for aggregate subgrade improvement. Grading to final subgrade along 147th Street. Performing general site cleanup, filling open holes, and establishing pedestrian access in advance of Taste of Orland Park this weekend.

 

 



July 26

July 15-21:

- R. W. Dunteman removed existing pavement for Stage 1

- AES Services staked out Stage 1 storm sewer structures.

- Len Cox and Sons worked on placing Stage 1 storm sewer structures

- Elmund & Nelson removing existing light poles along east side of Ravinia and in 147th median.  Salvaging and delivering to Public Works facility.

- Austin Tyler removed and backfilled existing AT&T manhole in Northeast corner of Ravinia/147th.

July 22-18:

- Highway Safety Corp. placed all detour signage on Monday, and closed 147th Street to traffic on Tuesday.  Tuesday (6/24) was day 1 of their allowable 30 day closure.

- AES Services staking out Stage 1A storm sewer structures and entire curb line/radii for Stage 1

- Len Cox and Sons continuing to work on Stage 1 and 1A storm sewer structures along Ravinia and 147th St.

- R. W. Dunteman removing existing pavement along 147th Street, grading along Ravinia and 147th for Stage 1.





July 18

 

Beginning Monday, July 23, 147th Street will be closed to through traffic between Ravinia Avenue and the Walgreens' entrance to the east.

This closure will last no longer than 30 calendar days. Traffic along Ravinia Avenue and LaGrange Road will be detoured around to 149th Street. The Village Hall entrance at 147th Street and Ravinia Avenue will remain open at all times.

Access to the First Personal Bank and Athletico entrances along 147th Street will remain open at all times. The Walgreens' 147th Street entrance is to be maintained with aggregate at all times possible during this period; however, the entrance may need to be closed for short periods of time during removal and paving of the area. Pedestrian access along 147th Street will remain open at all times. Ravinia Avenue and all entrances along Ravinia Avenue will remain open to traffic. 


July 8-14


- Seasons Landscaping installing inlet filters and placing temporary erosion control seeding
- Protack LLC placing prime coat for temporary pavement
- Highway Safety placing temporary pavement markings and all signage and traffic control for Stage 1 on Wednesday.
- R. W. Dunteman placed temporary pavement early this week. Performing general site cleanup, pouring concrete curb ramps, and shifting traffic over to temporary pavement after Highway Safety performs their work on Wednesday. Later in week will begin Stage 1 removals (northbound curb and gutter, sidewalk, etc…).

July 1-7 Additional Updates:


- AES Services staked out proposed curb line pre-stage storm sewer structures
- Len Cox and Sons completed pre-stage storm sewer and structure installation
- R. W. Dunteman graded final and placed stone subbase for temporary pavement and temporary sidewalk replacement.



July 1 - 7

- Len Cox and Sons to complete pre-stage storm structure installation early this week.

- Seasons Landscaping to lay temporary erosion seeding and blanket along west side of Ravinia.

- R W Dunteman to complete grading and stone subbase for temporary pavement.  Installing HMA for temporary pavement and replacing  damaged sections of temporary sidewalk later this week, pending weather and Len Cox and Son's schedule.

- Site to be cleaned and prepped for the Holiday at the end of the day Tuesday.  No work will be performed on Wednesday.


June 24 - 30

 

 

 

- Len Cox and Sons installed prestage storm manholes north of 147th Street.

 

- R W Dunteman worked on final grading and laying stone subbase for temporary pavement along west side of Ravinia.

 

 

 

 

Week of June 24-30:

- Len Cox and Sons installing pre-stage storm manholes north of 147th Street.

 

- R W Dunteman finishing final grading and laying stone subbase for temporary pavement along west side of Ravinia.

Week of June 17-23:

- AES staked out pre-stage storm inlets

- Len Cox and Sons installed prestage storm manholes and inlets south of 147th St.

- R W Dunteman began final grading for temporary pavement along west side of Ravinia.

 



June 19, 2018 

Week of June 10-16

 

- R. W. Dunteman removed rejected curb and gutter at south project limits.  Removed existing flag monument foundation.  Placed temporary sidewalk (HMA) for pre-stage and removed existing sidewalk.  Poured curb and gutter at south limits of project and new path / sidewalk at northmost and southmost project limits on Friday.

- Elmund & Nelson removed two existing light poles along west side of Ravinia and delivered to Village yard off Ravinia.

- Len Cox & Sons began installing new storm structures over existing trunk line on Friday.  Will use temporary aggregate patching in short term until temporary widening pavement is placed.  At that time, areas will be restored with same pavement as temporary pavement.

- All private utilities should be complete with their relocations at this point, except for the existing manhole AT&T will need to remove in Stage 1.  The only remaining work for utilities will be restoration.

 

Week of June 17-23

- Len Cox & Sons to continue installing new storm sewer structures over existing trunk line (and a few connected inlet structures). 

- R. W. Dunteman will begin final excavation and aggregate subbase placement for the pre-stage pavement widening after Len Cox & Sons finishes storm structure installation south of 147th.  This will likely begin on Thursday (6/21) this week.  Will likely begin laying asphalt for temporary pavement very early next week (about 6/25), depending on Len Cox & Sons’ progress.



June 8, 2018

 

Week of June 3- June 9

- Dunteman to finish pre-stage earth excavation, sidewalk removal, and curb and gutter removal.  Will remove existing flag pole monument and install temporary sidewalk.

- Len Cox & Sons had pre-stage storm structures delivered on site Monday, will begin installing/adjusting structures Wednesday.

- Highway Safety Corp will be on site Tuesday to install pre-stage temporary pavement marking, barrels/barricades, and signage.

- Nicor should be making final connections Tuesday, then can pressure test, abandon the old main, backfill, and get off site by Wednesday.

- Comcast scheduled to finish their splicing on Tues/Wed.

Week of May 28-June 1

- Dunteman worked on removing existing curb and gutter and sidewalk at the north and south project limits, for pre-stage permanent sidewalk installation. Also began removing existing topsoil for temporary widening.

- AES Services worked on construction layout and staking for alignments, temp fence, erosion barrier, and proposed path.

- Seasons landscaping installed perimeter erosion barrier.

- Steve Piper & Sons removed trees and installed temporary fencing.

- Nicor finished new main and service boring, still need to make final connections.

- AT&T continued pulling new copper and fiber.




May 3, 2018

 

 


Utility construction is ongoing at and around the intersection of 147th and Ravinia. Road construction will begin in the next 2-3 weeks.  Drivers can expect delays related to construction in this area.


March 1, 2018


Beginning March 12, 2018  utility relocation work for the 147th & Ravinia roundabout will commence.

 

In preparation for the construction of a roundabout at 147th Street and Ravinia Avenue, the relocation of utilities within the construction area will begin on Monday, March 12, 2018. A majority of the work will occur in the parkway areas along Ravinia Avenue & 147th Street. Daily lane closures may be needed during construction and minor delays can be expected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Roundabout Progress
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147th and Ravinia-August 2, 2018

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147th and Ravinia-June 19, 2018

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147th and Ravinia July 6, 2018

ORLAND PARK’S FIRST ROUNDABOUT

The Village of Orland Park’s first roundabout will soon be constructed at the intersection located at 147th and Ravinia Avenue, just east of Village Hall.

In addition to the enhanced functionality and safety, aesthetics will be taken into consideration with greenscapes and beautification of the new roundabout.



WHAT IS A ROUNDABOUT?

A roundabout is a circular intersection where drivers travel counterclockwise around a center island. There are no traffic signals or stop signs in a roundabout.

HOW IT WORKS

NAVIGATING A ROUNDABOUT


1) Observe all Rules of the Road.

2) Slow down.

3) Yield to pedestrians and bicyclists at the
crosswalk as you enter.

4) Yield to circulating traffic from the left before entering.

5) Enter the roundabout when there is a safe gap in traffic.

6) Yield to pedestrians and bicyclists at the crosswalk
as you exit at your desired street.

Motorists are required by law to move over when
an emergency vehicle approaches. In the case of
roundabouts, motorists must clear a roundabout if
they hear (or see) an emergency vehicle approaching.

Further Information:

https://www.youtube.com/watch?v=XcK8sjzTlWI

www.lakecountyil.gov/478/Roundabouts



BENEFITS OF ROUNDABOUT


IMPROVED TRAFFIC FLOW

30-50% increase in traffic capacity.

ENVIRONMENT

Less idling for cars, less gas being burned into the atmosphere, better fuel economy.


COMMUNITY BENEFITS 
  • Provide landscaping and green space opportunities.
  • Crosswalks included for pedestrians and bicyclists.

SAFETY / TRAFFIC CALMING

- All vehicles travel in same direction. 

-Vehicles never cross paths, which reduces
number of serious crashes.

-Slower vehicle speeds give drivers more
decision making time.

-Roundabouts eliminate head-on and
high-speed right-angle collisions.

-No traffic lights to install and maintain.

-There are 75% fewer conflict points in roundabouts
than in traditional intersections (see diagram below). 


TIPS


-Look to your left before entering roundabout.

-Vehicles already in the roundabout have the right-of-way. 

-If there is no traffic in the roundabout, proceed slowly into the circle.

-Typical speed within a roundabout is 15-20 mph.