To: Honorable Mayor and Members of Town Council
Through: David L. Corliss, Town Manager
From: Daniel Sailer, P.E., Director of Public Works
Title
Award of Contracts for the 2022 Pavement Maintenance Program, and Capital Projects
Body
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Executive Summary
Maintaining the Town’s streets is important for public safety, travel efficiency, and as a means to extend the useable life of the streets. This overall project is the annual Pavement Maintenance Program (PMP) of the street system and is intended to preserve the Town’s street infrastructure. Preservation and rehabilitation treatments work to extend the lifespan of street segments at the lowest lifecycle cost. Once street segments reach the end of their lifespan, reconstruction projects are identified. The PMP, and reconstruction projects meet the Town’s Vision Statement goals of:
• Providing outstanding community services including police, fire, emergency, medical, parks, recreation, water and transportation.
• Ensure a Town government accountable for its vision, mission and values.
In addition to these goals, the Public Works Department looks to elevate value in delivering the 2022 PMP projects. These goals are as seen below, with Low Downtime, High Safety, Reliability and Low Lifecycle Cost being achieved with the 2022 PMP.
The Town of Castle Rock annually budget’s for the PMP to perform needed maintenance to the Town’s street system. Maintenance work generally consists of asphalt patching, overlay, reconstruction, slurry seal, sidewalk, curb & gutter repair, concrete panel replacement, and other pavement preservation treatments. In 2011 Town Council approved the rotating Five-Year Pavement Maintenance Program. Maintenance work will be performed at various locations within the South PMP regionalized area in 2022. Primary street maintenance is scheduled for East Loop Road, Mikelson Blvd, Wolfensberger Road, Gilbert Street, Fifth Street, and Woodlands Blvd. All maintenance activities are summarized on the 2022 PMP map (Attachment A).
The budget for the 2022 PMP is $9,000,000 and the budget for 2022 reconstruction projects is $9,500,000 for a total 2022 Budget of $18,500,000. The total of the low bid results for identified work is $16,145,400. Staff recommends adding contingencies for the various PMP projects and reconstructions for unforeseen conditions that total $1,614,540, or 10% of the contract amounts, for a total authorization of $17,760,000. An additional $313,100 will be utilized for traffic safety improvements within the Full Depth Reclamation Project. This amount will not affect the total PMP budget. Staff is comfortable with the contingencies and believes the identified work can be managed to comply with the plans and specifications. Contingency amounts will only be used if needed.
A summary of the individual contracts with low bid amounts plus contingency, and the contractors are shown below. See Attachment B for Bid Proposal Summary for all bids that were submitted.
Staff is scheduled to present the 2022 PMP, and Capital contracts recommendations to the Public Works Commission at their March 7, 2022 meeting. Their recommendations will be presented to Council at the March 15, 2022 Council meeting.
Notification and Outreach Efforts
Staff has developed specific public coordination outreach to ensure that residences and businesses will understand construction impacts and how this may affect access to individual businesses and residences. Public outreach will occur in numerous forms such as; 1) Public Outreach Open Houses, 2) Town newsletters, 3) HOA mediums such as newsletters, 4) Town social media, 5) Door notification, 6) Press releases, 7) Town’s website and others. Residents and businesses will be notified of actual dates that work is to be completed adjacent to their properties, and traffic control plans will be developed and managed to ensure worker and public safety.
Town staff will host an in-house Public Outreach Open House in March. This Public Outreach Open House will consist of detailed maps of the 2022 maintenance work to let concerned residents know which streets will receive treatments and how it may affect them. This year’s Open House will be held at Public Works Service Center, 4175 N. Castleton Court. Staff plans to coordinate with neighborhood Home Owners Association’s (HOA). Furthermore, press releases will be published before the start of PMP construction season to notify the public of work locations and dates.
History of Past Town Council, Boards & Commissions, or Other Discussions
The Public Works Commission at their October 3, 2011 meeting voted unanimously to recommend to Town Council to adopt the proposed Five Year Pavement Maintenance Program, and the Overall Condition Index (OCI) goal to be set at 75 for primary streets and 70 for residential streets. The OCI is an average rating of each street’s condition. This was done in an effort to minimize impacts of roadway maintenance to residents, and to reduce costs of work by concentrating in one area of Town. Town Council approved the Town’s rotating five-year PMP regionalized area plan for residential streets at the November 1, 2011 Town Council meeting. The Town’s five-year regional plan divides the town into five regionalized areas. Primary streets can be included in any year of the five-year program. The PMP program will then annually rotate around these five areas excluding primary streets and downtown Castle Rock such that every fifth year repairs to an area’s residential street system will occur. In addition to the regionalized Five Year Pavement Maintenance Program, the Public Works Department has developed the Strategic Asset Management Plan (SAMP) to maximize value from each asset for our stakeholders. Staff has begun making adjustments to the regionalized plan to better align with SAMP policies of working to obtain the lowest total lifecycle cost.
Staff has taken the 2022 PMP to the Public Works Commission Monday, March 7, 2022.
Discussion
The Town’s goal for the PMP is to preserve and extend the life of the Town’s streets by making the most cost effective annual improvements to selected street segments. These goals are met when proper street maintenance is administered to these segments.
Staff determines which streets require maintenance by evaluating the street’s condition rating in addition to a physical inspection. A pavement management program, Cartegraph’s Pavement Asset Module, establishes these condition ratings. This program establishes a condition rating based on staff’s field observation for the streets, and rates them from poor to excellent condition. Different types of street maintenance treatments, such as crack seal, slurry seal, mill & overlay, full depth reclamation, and reconstruction are identified based on the condition of the roadway.
The most commonly used and cost effective pavement maintenance activity is crack sealing. Crack seal material is placed into pavement cracks, generally 1/8 of an inch and larger to seal and fill to prevent the intrusion of water and incompressible material into the crack, and to reinforce the adjacent pavement. This year under the PMP, the Town will apply crack seal as part of the 2022 Slurry Seal Project.
Slurry seal is a form of maintenance to keep a newer street in good condition. This type of seal is thin in nature and meant to keep water out of minor cracks, and improve skid resistance. This year the Town will complete approximately 51 lane-miles of slurry seal, which is 7% of the Town’s streets. A lane-mile is a single lane width by a mile long.
Another category of street maintenance is asphalt mill and overlay. This maintenance treatment removes and replaces a layer of asphalt without compromising the original pavement section. This work is costlier than a slurry seal and normally will be done to a street that has more than one distress. The distresses include minor alligator or fatigue cracking, joint reflection cracking, longitudinal / transverse cracking, thermal cracking, potholes, raveling and rutting. This year the Town will complete approximately 34 lane-miles of mill & overlay, which is approximately 5% of the Town’s streets.
A street that has reached the end of its usable service life, or has surpassed it, requires reconstruction, via removal and replacement or full depth reclamation. Remove and replace reconstruction, and full depth reclamation, involves removing the pavement section in its entirety, moisture conditioning the subgrade and installing a new pavement section. Reconstruction essentially begins a new service life for the pavement. This year the Town will perform approximately 2 lane-miles of reconstruction, which is approximately 1% of the Town’s streets.
Staff also evaluates the condition of the Town’s concrete curb, gutter, and public sidewalks within the projects’ limits. These contracts will remove and replace damaged concrete infrastructure that is a hazard to pedestrians or to the traveling public.
The invitation to bid for construction of the various projects within the PMP was advertised in December 2021. Bids were opened for the projects on January 19 and 20, 2022.
All bids were checked for accuracy, references were checked, and all documents were reviewed for contract compliance. Staff believes that each of the recommended bidders is qualified to perform the work associated with the respective maintenance contract. A summary of the individual contracts with bid amount plus contingency and the contractors are shown on the following table:
2022 PMP & CAPITAL RECOMMENDED AWARD
Project Bid Amount Contractor
Plus Contingency
2022 Asphalt Overlay $5,973,800 Elite Surface Infrastructure
Project +597,380 (10%) Castle Rock, Co
Contingency
Total: $6,571,200,
2022 Concrete Remove and $2,018,000 Chavez Construction
Replace Reconstruct Project + $201,800 (10%) Littleton, Co
Contingency
Total: $2,219,800
2022 Curb, Gutter and $470,700 Elite Surface Infrastructure
Sidewalk Replacement + $47,070 (10%) Castle Rock, Co
Project Contingency
Total: $517,770,
2022 Full Depth Reclamation $5,947,600 Chavez Construction
Project + $594,760 (10%) Littleton, Co
Contingency
includes
*Gilbert & Wolfensberger $298,100
Speed Management +$15,000 F/A
Total: $6,855,460
2022 Slurry Seal Project $1,735,300 Vance Brothers Inc.
+ $173,530 (10%) Denver, Co
Contingency
Total: $1,908,830
Grand Total: $18,073,060
It is anticipated that concrete repairs, and the reconstructions will begin in early-April. The asphalt overlay and sealing portions will occur in the summer months. All PMP, and associated Capital projects, are expected to be completed in the fall.
Budget Impact
The budget for the 2022 PMP is $9,000,000 and the budget for 2022 reconstruction projects is $9,500,000 for a total 2022 Budget of $18,500,000. The total of the low bid results for identified work is $16,145,400. Staff recommends adding contingencies for the various PMP projects and reconstructions for unforeseen conditions that total $1,614,540, or 10% of the contract amounts, for a total authorization of $17,760,000. The remaining budget of $740,329 has been identified for use in the reimbursement of $564,985 to Castle Rock Water for roadway reconstruction with their project in the Glovers neighborhood and a balance of $175,078 for the annual miscellaneous concrete project and other asphalt and concrete needs.
Staff Recommendation
Staff recommends approval of the bids for all 2022 PMP contracts, and the reconstruction projects as summarized, and approval of the construction agreements with each of the contractors for the amounts identified.
NOTE: The individual Resolutions will follow as the next items on the agenda
Attachments
Attachment A: 2022 PMP Map
Attachment B: 2022 PMP Bid Proposal Summary