Agenda Item Wording:
title
Request authorization to file a Notice of Completion for the intersection Improvements at County Center Street at Riggin Avenue and Giddings Street at Riggin Avenue. (Project Number 3010-72000/CP0459-999)
body
Deadline for Action: None
Submitting Department: Administration - CIP Engineering
Contact Name and Phone Number:
Diego Corvera, Civil Engineer, diego.corvera@vislia.city, 559-713-4209
Frank Senteno, City Engineer, frank.senteno@visalia.city, 559-713-4331
Nick Mascia, Assistant City Manager, nick.mascia@visalia.city, 713-4323
Department Recommendation:
Request authorization to file a Notice of Completion for the Intersection Improvements at County Center Street at Riggin Avenue and Giddings Street at Riggin Avenue Projects.
Background Discussion:
This project constructed two traffic signals at the intersections of County Center Street at Riggin Avenue and Giddings Street at Riggin Avenue which included the modification of the existing pedestrian ramps to meet the current Americans with Disabilities Act (ADA) criteria.
The traffic signal at Giddings Street and Riggin Avenue was designed and constructed in accordance with the ultimate design for the Riggin Widening project between Mooney Blvd and Conyer St. Temporary traffic transitions are currently in place to safe guard the existing SCE transmission poles which will be relocated as part of the Riggin Avenue widening project. We expect this relocation to take place in the Spring of 2023 or sooner.
The start of construction of the traffic signals began in April of 2021 and was completed in October 2021. The construction of the traffic signal and associated improvements were completed within the allotted construction timeline.
The final total project construction cost was $1,668,345.40. The construction contract was awarded to American Paving Co. in the amount of $1,458,855.00 in November of 2020. Prior to the award of the construction contract to American Paving Co, the consultant design fee and the purchasing of the traffic signal poles were paid from the annual traffic signal project (CIP project number CP0038) which totaled $236,768.
The original construction contract amount was $1,458,855.00 and the final cost of the construction contract including change orders was $1,520,855.40. Total change orders amounted to $62,000.40.
The following is a breakdown of the construction change orders:
|
Change Order Breakdown |
|
|
Category |
Cost |
Percentage |
|
Errors & Omissions (E&O) |
$ 60,095.66 |
4.12% |
|
Utility Conflict (UT) |
$ 0.00 |
0.00% |
|
Balance of Quantities (BQ) |
$ 0.00 |
0.00% |
|
Unforeseen (UN) |
$ 33,148.99 |
2.27% |
|
Change of Scope (CofS) |
($ 31,244.25) |
-2.14% |
|
Total: |
$ 62,000.40 |
4.25% |
Errors & Omissions
The costs associated with the Errors & Omissions category consisted of additional concrete work performed adjacent to the project to correct broken and failing existing curb and gutter and the construction of a more robust retaining curb at the southeast corner of Giddings Street and Riggin Avenue due to an elevation discrepancy on the plan set. Additionally, the curb returns at the southwest and southeast corner of County Center St at Riggin Avenue needed to be fully reconstructed as the ramps were not compliant with ADA requirements.
Unforeseen
The cost associated with the Unforeseen category consisted of finding abandoned irrigation pipes within the project area that required removal and the investigation & correction to sinkholes that were encountered during the grading operations.
Change of Scope
The decision to use Full Depth Reclamation construction method instead of conventional roadway construction resulted in a credit to the project as this reduced the cost of import material and accelerated the construction timeline.
There was a total of three (3) contract change orders associated with this project. Each of the change orders were reviewed and approved by the City of Visalia Change Order Committee.
Fiscal Impact:
This signalization project was budgeted using Measure R Local (131) Funds, State Transportation (281), and Transportation Impact (TIF) Funds as an ongoing annual project (CIP Project Number CP0038) to construct one traffic signal per year as identified by the data collected by the annual traffic collection contract.
The project construction budget (CP0459) is as follows:
|
Riggin Avenue Signalizations Project - Construction Budget (CP0459) |
|
Funding Source |
|
|
Measure R Local (131) [after design] |
$ 726,000.00 |
|
State Transportation (281) [after design] |
$ 491,229.00 |
|
Transportation Impact Fund (241) [for construction only] |
$ 635,000.00 |
|
Total Project Construction Funding |
$ 1,852,231.00 |
|
Riggin Signalizations Construction Cost (CP0459) |
|
|
Construction |
$ 1,458,855.00 |
|
Construction Change Orders |
$ 62,000.40 |
|
Construction Inspection, Materials testing, surveying, and PM (Approximate) |
$ 140,000.00 |
|
SCE Service Fees |
$ 7,490.00 |
|
Total Construction Cost Riggin Avenue Signalization Project |
$ 1,668,345.40 |
|
Riggin Signalizations Construction Budget Summary |
|
|
Total Project Construction Funding |
$ 1,852,231.00 |
|
Total Cost Riggin Avenue Signalization Project |
$ 1,668,345.40 |
|
Approximate Funding Remaining |
$ 183,885.60 |
The consultant design fee and the purchasing of the traffic signal poles were paid from the annual traffic signal project (CIP project number CP0038) which totaled $236,768.00 prior to the award of the construction project to American Paving Co. The remaining City funds within this project (CP0459) that were not used will be returned to the Measure R Local Fund (131).
Prior Council Action:
November 2, 2020: City Council awarded the construction contract to American Paving Co. in the amount of $1,458,855.00.
April 6, 2020: City Council authorized the purchase of traffic signal poles in the amount not to exceed $97,619.62 from AZCO Supply.
April 15, 2019: City Council awarded the professional design services contract to Peters Engineering Group in the amount of $95,960.00
Other:
None
Alternatives:
None Recommended
Recommended Motion (and Alternative Motions if expected):
recommendation
I move to authorize the City Manager to file a Notice of Completion for the intersection Improvements at County Center Street at Riggin Avenue and Giddings Street at Riggin Avenue.
end
Environmental Assessment Status:
N/A
CEQA Review:
Categorical Exemption, Section 15301(C), issued March 23, 2020 for both County Center Street at Riggin Avenue and Giddings Street at Riggin Avenue.
Attachments:
1. Project Location Map
2. Contractor Disclosure Form