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Title
Change Order/Amendment No. 3 with Hill & Wilkinson General Contractors for the New City Hall Complex in the amount of $125,337.36 for gas piping reduction, door and door hardware revisions, water line adjustments, roof drain tie-ins, electrical conduit addition, emergency generator modifications, Oncor infrastructure and added power at the roof line of all new construction
Presenter
Andy Henning, Senior Building and Construction Projects Manager
Recommended Action
Approve
Analysis
On April 3, 2018 the City Council awarded the Construction Manager at Risk (CMAR) contract to Hill & Wilkinson General Contractors (18-7758) for pre-construction services in the amount of $5,000. This award provided for CMAR services including development of project estimates, preliminary construction schedules, value engineering proposals and constructability review during the Design Phase.
The current Change Order/Amendment No. 3 in the amount of $125,337.36 is divided as follows:
-$3,029.80 credit for elimination of gas piping installation by the construction team due to Atmos agreeing to run their piping a longer distance and installing the new gas meter adjacent to the building
-$15,199.14 credit for door and door hardware revisions following coordination work session with design team and construction team
$7,381.21 for capping of existing water line at College Street based on revised design and routing
$21,373.64 for tie-in of roof drain lines to below-grade storm system piping versus surface drainage
$17,055.66 for spare electrical conduits from new city hall electrical room to corresponding new parking area to allow for electric vehicle car charging stations planned
$17,172.60 for emergency generator modifications to allow for necessary advanced monitoring capabilities
$75,711.38 for added civil infrastructure required by Oncor for rerouting of primary power pathway
$4,871.81 for added weather-resistant power receptacles at the roof perimeter of the new city hall construction areas to coordinate with the holiday roof edge lighting planned
Change Order/Amendment No. 1 in the amount of $12,844,411 was approved by City Council on October 16, 2018 (18-8351) for the Guaranteed Maximum Price (GMP) for the scope of work defined in the Rouch Architects Construction Documents package as competitively bid by Subcontractors to Hill & Wilkinson General Contractors. Costs above and beyond the Hill & Wilkinson portion of the project addressed in this Change Order/Amendment include previously approved Construction Manager pre-construction fees ($5,000); previously approved survey studies ($4,750); previously approved parking provisions ($200); previously approved communication equip/maint ($14,101); previously approved communication & video ($185,144); previously approved construction funding ($10,245); previously approved design/engineering/construction/geotechnical fees ($1,943,107); 5% contingency ($600,000); budget allowance for owner-provided furniture/fixtures/equipment ($923,000); allowance for construction testing ($75,000); allowance for audio/visual provisions ($185,000); allowance for IT/data design and installation ($100,000); plus an allowance for door access and security systems ($110,000), all of which total the overall phase one project budget of $16,999,958
Change Order/Amendment No. 2 in the amount of $176,260.93 was approved by City Council on February 5, 2019 (19-8645) and was comprised of the following:
$16,264.77 for concrete foundation and structural steel final coordination items
$66,220.87 for additional sanitary sewer piping at 4th Street in order to abandon and reroute an existing sanitary sewer line running under the current City Hall facility per the request of the Public Works Department
$21,404.98 for utility plan changes due to final architectural and MEP scope of work coordination
$48,983.42 for replacement of a deteriorated water line within 3rd Street up to the connection point at College Street per the request of the Public Works Department
-$23,548.82 for elimination of lightning protection from the new City Hall facility
$46,935.71 for storm drainage elevation adjustments to allow for an increase in pavement thickness of 2” at the new fire lane location
Items applicable to performance by the Construction Manager at Risk (CMAR) will be incorporated into the current Hill & Wilkinson General Contractors contract for a revised total contract in the amount of $13,151,009.29.
This item was taken to the Finance and Government Committee on May 7, 2019 for their review and recommendation for approval.
Financial Consideration
Funding for Change Order/Amendment No. 3 with Hill & Wilkinson General Contractors for the New City Hall Complex in the amount of $125,337.36 for gas piping reduction, door and door hardware revisions, water line adjustments, roof drain tie-ins, electrical conduit addition, emergency generator modifications, Oncor infrastructure and added power at the roof line of all new construction, is available in the Municipal Facilities Capital Projects Fund (405090) WO #01801601 (Municipal Complex) PO 324340 contingency line 3.
With approval of the current change order/amendment No. 3, percentage of change order/amendments for this contract PO 324340 will be 2.34%.