HomeMy WebLinkAboutITEM 16 - PPP 7-37 Ops Sept 2018 -
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Red HillSewer
Project No . 7 - 37
Operations Committee
September 5, 2018
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Project
• 4,900-feet of new 30 to
Chestnut Ave ~
E Main St. 33-inch VCP sewer
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McFadden Ave • New manholes, 60 to
96-inches in diameter
Edinger Ave
• Pipe rehabilitation with
cured in place pipe (CIPP)
4� • Rehabilitation of 50
d er Rd GISLER- RED HILL manholes
Alton Ave SYSTEM IMPROVEMENTS
REACH B
• Sewer repairs at
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Mitchell/Newport Avenue
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• Sewer repairs at
Mitchell/Redhill Avenue
Project Challenges
• Deep excavations, average of 25-ft in depth
• Unknown utilities at several locations including at major
intersections:
• Redhill/Edinger - 9 utilities
• Newport/Mitchell — 5 utilities
• City changed Newport/Mitchell intersection work to
nights and required daily traffic control removal
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Mitigated Changes
• Added crews proactively to finish project on schedule.
• Worked with City to mitigate use of excavated soil and
reduce hauling costs.
• Coordinated with City's project on paving areas.
• Changed rehabilitation from grout sleeves to cured in
place pipe.
Schedule
-Milestone Contract Date Actual Date d
Milestone 1 : Work at Mitchel / 8/12/17 8/28/17 A
Newport and Mitchell / Redhill
Intersections
Milestone 2 : Substantial Completion 8/18/17 9/16/17 A
Milestone 3 : Final Completion 9/27/17 3/15/18 A
• Schedule Impacts due to:
✓ Unknown conditions (utilities)
✓Traffic control and work hour changes
✓ Contractor productivity impacts due to change conditions
Contract
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Original Contract Amount $15,432,000
Original Contingency $1,543,200 10.0%
Change Orders to Date $1,383,457 9.0%
Remaining Contingency $159,743 1.0%
* Final Settlement Amount $525,000
Additional Contingency Needed $365,257
Final Contingency Amount $1,908,457 12.4%
Final Contract Amount $17,340,457
*Initial Contractor's request $1.3M
Final Closeout
• Work is complete, facilities are in service
• Cities are satisfied with work
• Final settlement reached resolving all outstanding costs
• No project budget increase necessary
Recommended Action
• Approve a contingency increase of $365,257 (2.4%) to
the construction contract with Kiewit Infrastructure
West Company for the Gisler-Redhill System
Improvements, Reach B project No. 7-37, for a total
construction contingency of $ 1,908,457 ( 12.4%)
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