The puzzling shift on East Quincy Avenue from six lanes down to two as drivers pass South Reservoir Road going east will soon be a head-scratcher of the past, and several streets throughout …
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The puzzling shift on East Quincy Avenue from six lanes down to two as drivers pass South Reservoir Road going east will soon be a head-scratcher of the past, and several streets throughout Centennial will have cracks sealed and undergo other updates.
“Letters are sent to residents prior to the concrete-rehabilitation process,” said Michael Terry, Centennial's street-rehabilitation manager. “Letters are also sent prior to the hot in-place recycling, surface treatment and mill (and) overlay treatment.”
Several kinds of street repair will be applied on streets mostly in the west and far northeast parts of the city, according to Centennial's online maps. Those will include hot in-place recycling, where existing pavement is heated, remixed, placed in the same spot and topped with new asphalt; mill-and-overlay treatment, where the surface is removed and replaced with new asphalt; and slurry-seal surface treatment, where streets with less severe distress are sealed with a mixture of asphalt, water and other additives.
Streets receiving the hot in-place recycling and mill and overlay will also undergo concrete rehabilitation, which repairs broken curbs, gutters, sidewalks and other concrete structures. Curb ramps will be repaired and brought to current standards under the Americans with Disabilities Act, or ADA, according to the city's website.
More widespread will be crack sealing — streets spread throughout the city that are still in good condition will have cracks sealed with an asphalt rubber to extend the pavement's life, the website said.
The type of treatment that a street gets depends on what kind of road it is, citizen complaints, inspections, work completed in the area in previous years and the pavement-condition index, which is provided by a pavement survey done every three years since 2009, Terry said.
All work this year will move gradually from the west side of the city to the east. Some prominent roads scheduled for work include East Arapahoe Road near South Broadway, South Colorado Boulevard between East Arapahoe and Dry Creek roads, and East County Line Road from South Quebec Street to Interstate 25.
For a look at which streets will be treated, visit centennialco.gov/Public-Works/current-projects.aspx. Nextdoor, a social-media site for residents of a common area, is also used by the city to supply schedules of streets based on the three-week outlook provided by the contractor performing the repairs.
The crack-seal contractor began working in late May and planned to finish 60 miles of roadway in the following six weeks under a mobile operation that will flag traffic through the work areas, Terry said.
Farther east, Quincy Avenue will be widened at a bottleneck that sits mostly along a few blocks where Centennial's border stretches north to reach that street.
The thin stretch between Reservoir Road and Himalaya Street will be widened to six lanes, with a sidewalk and street lights added. The work is intended to reduce congestion and improve safety through the area for cars and pedestrians, the city's website said. The City of Aurora, whose border also runs along the road, leads the project with involvement and support from Centennial. It began May 23.
Normal working hours will generally be 7:30 a.m.-4 p.m. Monday through Friday. Quincy Avenue will remain open to traffic during construction, but alternate routes are advised, the website said. Detours will be in place during the project, which is expected to run through November, said Kelsey Deckert, an engineer with the city.
The current detour involves a closure on South Flanders Street and a suggested route along Reservoir Road and Himalaya Street. The closure will move to South Genoa Street from late August through October, Deckert said.
For more information, visit centennialco.gov/Public-Works/current-projects.aspx.
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