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Street Sweeping

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2017 Fall Sweep

The citywide fall sweeping operation is anticipated take 3-4 weeks to complete. The sweeping of each street will be performed by contractors working under a City supervision team.

Know When We're Coming

Note: All scheduling is provided as an estimate; changes may occur due to weather or other unforeseen circumstances.

  • Interactive Web Map showing days we anticipate being on specific streets
    • Updated daily during Citywide Sweep to show current sweeping areas and those completed.

Help Ensure a Clean Sweep

  • Keeping the roadway in front of your house free of large objects and obstructions is the best way to assist street sweeping crews' clean-up efforts.
  • The work will typically be performed between 7:00 AM and 5:00 PM. As possible, please avoid street parking when sweeping operations are occurring in your area; overnight parking will not impact operations.
  • It is not critical that every car be off the road. If there is a parked car, the crew will work around it. However, the more cars that are off the street, the better the overall job can be completed.

Citywide sweeping activities are scheduled so that they will not disrupt other City operations, including residential solid waste service.


Ongoing Sweeping Program

Purpose

sweeperThe City of Longmont has a street sweeping program for many reasons including water quality, air quality, safety, road maintenance, and aesthetics.  It’s important to understand that the primary focus of the program, though, is to protect our air and water quality. 

The City sweeps over 350 centerline miles of streets. Street sweeping removes tons (literally!) of debris and contaminants annually from the streets that would, otherwise, pollute our air and rivers.

Water Quality

Street sweeping removes debris from the gutter that would be washed down the storm drain into our ditches and creeks.  In addition to being unsightly, this debris can block the catch basins and other stormwater facilities, causing localized flooding during heavy rains.

An equally important, but less visible benefit is the removal of metal particles, and other hazardous waste products left by passing vehicles. Although they are virtually invisible, these particles can be extremely harmful to the fish and other wildlife if they reach our waterways.

Street sweeping is an effective method of removing both the large and microscopic pollutants that collect on City streets.

Air Quality

Natural and man-made sources of particulate matter can collect on the streets and pose a health concern because they can be inhaled into and accumulate in the respiratory system.  Street sweeping using certified equipment is done to reduce the amount of particulate matter stirred up by vehicular traffic on paved roadways.  You may have noticed that the sweeping process creates some dust when our vehicles are working, even though we try to minimize dust with wetting systems or other equipment attached to the sweepers.  Although there is a small loss of particulate matter during sweeping, the process is effective and studies show the reduction of air and water pollution.

Safety

Even small debris on roadways can create safety hazards, such as greater braking distance, increased risk of skidding and loss of control. Street sweeping removes such debris and other material from the roadways and bike lanes, improving safety for both vehicles and cyclists.

When and Where We Sweep

The chart below provides a general overview of our street sweeping program. Arterial and collector streets as well as Longmont’s downtown receive the most traffic, thus debris accumulation is greater in these areas, so they are swept more frequently.

The street sweeping routes and scheduling have been designed to not interfere with trash collection and to ensure that bike paths and bike lanes are captured. Additionally, it is our standard practice to sweep snow routes after snow events.

Street Type
Frequency
Notes
Residential*
 3 times/year
Once each for spring, summer, and fall. 
Arterials**
 9 times/year
Approximately monthly during spring, summer, and fall or April through October. 
Collectors**
 9 times/year Approximately monthly during spring, summer, and fall or April through October. 
Industrial
 6 times/year
Approximately every other month during spring, summer, and fall or April through October.  Sweeping occurs at night.
Downtown/LDDA

9 times/year

Before/After events

Approximately monthly during spring, summer, and fall or April through October. In addition, before and/or after parades and downtown events. Sweeping occurs at night.

 

* Note: During sweeping of residential routes, the arterials and collectors within that route will be swept.
** Note: Bike paths and lanes will be swept with scheduled routes in collectors and arterials.

Why the City cleans only streets with curbs

The accumulation of debris at the curb is caused by the design of the street and vehicular movement. Streets are designed with a crown in the middle sloping toward the sides. Water and debris move toward the curb and gutter areas. Vehicle movement scatters debris to the edges of traffic lanes.

Streets with no curbs are affected by the same factors as curbed streets, but with no curb the debris is dispersed onto areas adjacent to the paved surfaces. Uncurbed streets are, in effect, self-cleaning.

Resources and Equipment

Longmont currently has three street sweeping machines and two fulltime staff assigned to sweeping activities.  Contract sweeping services are used for peak seasonal sweeping operations during fall leaf season and periodically for spring clean-up.  

Limited Public Notification

In order to make the most efficient use of available resources and equipment, timed or daily scheduling of residential routes is currently not practicable.  We have heard concerns from some residents that streets are being swept when cars are parked at the curb.  Despite these obstacles, the City is able to meet its primary objectives of reducing air and water pollutants.  Although it is a goal to also have the streets looking clean, the expense of notification – signage, mailings, and/or barricading – is cost prohibitive.

The following factors frequently influence our street cleaning schedule:

  • Weather: rainfall, wind, snow and ice
  • Equipment breakdowns
  • Utility work by other agencies
  • Private construction activities in the public rights of way
  • Other street maintenance and road repair activities
  • How dirty the street is - extra debris in the street delays a crew
  • Overhanging tree limbs that prohibit crews from getting to the curb to clean a street;  sometimes overhanging tree limbs prohibit our equipment from accessing a street 
  • Heavy leaf fall

How You Can Help Street Sweepers

Keeping the roadway in front of your house free of large objects and obstructions is the best way to assist street sweeping crews' clean-up efforts.

  1. Follow rules for placement of garbage and recycling containers. The municipal code does not allow garbage and recycling containers to be placed in the street before 4:00 p.m. of the day before your scheduled collection, or left out later than 8:00 p.m. the day following collection.
  2. Remove large sticks and branches from the roadway in front of your house. They will clog and jam the sweeper's operating system.
  3. Remove grass or weeds that grow in the gutter. This will reduce debris in front of your house and will improve water runoff during rainstorms.
  4. Report abandoned autos to the City's Code Enforcement.
  5. Properly trim your street trees so the sweeper can clean next to the curb. If you need to prune trees in the right of way, contact Forestry Services
  6. Organize or participate in neighborhood clean ups.
  7. If you own a pet, please obey the City's "scoop law."
  8. Tell your children the benefits of a clean neighborhood and encourage them to dispose of litter properly. 
  9. Drivers and cyclists should keep a safe distance between themselves and the sweeper at all times. Try to avoid maneuvering around sweeper trucks; move off to the side of the road until you are sure it is safe to continue.
  10. Always keep children and pets a safe distance from the sweepers. Do not ride, run or play near the trucks.

Sweeping FAQs

 

Expand/Contract Questions and Answers

  • How can I help street sweepers?

  • Why are there dump trucks parked around my house?

  • What are the regular hours of service for street sweeping?

  • Why wasn't sweeping completed in front of my home?

  • When are you going to sweep my street?

  • How do we schedule street sweeping to avoid trash/recycling collection and road construction?

  • Do we use contractors for the Street Sweeping Program?

  • How do we deploy our street sweepers?

  • At what frequency do we sweep streets? Is it different for certain areas?

  • What are the focus areas for the Street Sweeping Program?

  • What’s the purpose of the Street Sweeping Program?

  • How can I request that a specific street be swept?

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