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Traffic Control During Construction...2015/07/09 · • What Traffic Control is needed when...
Transcript of Traffic Control During Construction...2015/07/09 · • What Traffic Control is needed when...
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Traffic Control During Construction
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Problem
• Provide safe work area• Minimize impact on traffic congestion• Keep traffic moving around closures• What Traffic Control is needed when closures are not an
option• Maximizing efficiency during complete closures• How to plan closures
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Job #39, NDDOT
• Several intersections to be paved• Complicated phasing plan• Phasing plan did not allow for closure construction
efficiencies• Safety of contractor and owners workers was a major
concern with NDDOT plan
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Original Phasing Plan
• “Checkerboard or quilted” pattern• Long traffic delay & closures• Illogical process• Many days lost to cure time• No consideration for equipment and workers to perform
tasks
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US Hwy 2, US Hwy 85 Intersection
Phase 1Phase 2Phase 3Phase 4Phase 5
N
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138th Ave. Intersection
Phase 1Phase 2Phase 3
N
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139th Ave. Intersection
Phase 1Phase 2Phase 3Phase 4
N
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New Phasing Plan
• Less traffic/construction interaction• More working room• Quicker turnaround time• Minimizes delays & closures• Efficient process
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US Hwy 2, US Hwy 85 IntersectionN
Phase 1EB/WB trafficTurn lane
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US Hwy 2, US Hwy 85 IntersectionN
Phase 2EB/WB trafficTurn lane
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138th Ave. Intersection
N
Phase 1EB/WB trafficTurn lane
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138th Ave. Intersection
N
Phase 2Head to head trafficTurn lane
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139th Ave. Intersection
NPhase 1EB/WB trafficTurn lane
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139th Ave. Intersection
NPhase 2EB/WB trafficTurn lane
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Construction Staging Kennewick,Washington
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Kennewick Intersection Staging:
• Monday AM to Thursday 7:00 PM
• Complete Approach & Departure Legs on Southbound Legs as Shown in Stage 1 & Stage 2 at both Kennewick & Clearwater
• Set up Traffic Control for Closure at Clearwater
• Move materials, (Tie Bars, Dowel Baskets, Forms, etc), into position for easy access
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Work Zone
Traffic Flow
Stage 1
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Work Zone
Traffic Flow
Stage 2
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Kennewick Intersection Staging:
• Complete Interior Portion of Clearwater Avenue over the weekend
• Monday through Friday Completed Northbound Approach and Departure Legs at Kennewick & Clearwater Avenue
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Work Zone
Traffic Flow
Stage 3
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Kennewick Intersection Staging:• 7:00 PM Thursday to 6:00 AM Monday
• Close Kennewick Intersection 7:00 PM Thursday
• Begin Milling at 8:00 PM
• Start Finish Grading at 2:00 AM Friday Morning.
• Set Forms 7:00 AM
• Start Concrete Placement 11:00 AM
• Complete Daily placement 11:00 PM Friday Evening.
• Begin Green Sawing 4 to 6 hours after start of placement
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Kennewick Intersection Staging:
• Saturday
• Check Maturity Meter
• 7:00 AM Remove & Reset Forms, Place Baskets
• 8:00 AM Begin Placing Concrete
• Complete Concrete placement 4:00 PM
• Start Cleanup.
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Stage 4:•Stage 4a
•Stage 4b
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Work Zone
Road Closure
Stage 4a Stage 4b
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Kennewick Intersection Staging:
• Sunday
• Check Maturity Meter for Required Strength
• Clean and Seal Joints 7:00 AM to 2:00 PM
• Set Up Traffic Control for opening
• Place Traffic on Pavement 6:00 PM Sunday
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•Intersection Complete
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Time for Completion:
• In 15 days approximately 3384 cubic yards of concrete were placed at Kennewick Avenue and Cleawater.
• Kennewick Avenue and Clearwater were built concurrently.
• The concurrent construction saved a considerable amount of time. Crews were able to place concrete daily.