From
max
Title
Change Order/Amendment No. 4 with Modern Contractors in the amount of $30,501.85 for the Prairie Paws Additions and Renovations Project.
Presenter
Andy Henning, Senior Building and Construction Projects Manager
Recommended Action
Approve
Analysis
On August 16, 2016 the City Council awarded the Construction Manager at Risk (CMAR) contract to Modern Contractors for pre-construction services for the Prairie Paws Expansion project in the amount of $1,000. This award provided the CMAR services including development of project estimates, preliminary construction schedules, value engineering and constructability review during the Design Phase.
The current Change Order/Amendment No. 4 in the amount of $30,501.85 is divided as follows:
1. $12,845 for foundation revisions for the exterior Aon air handling units
$3,820 for screen wall foundation due to material change from brick masonry to concrete masonry block
$3,535 for concrete demolition, regrading and concrete reinstatement at sally port east addition
$8,500 for roof insulation value of R-28 to meet energy code
$6,725.45 for chain link fencing at exterior dog runs
$2,484 for additional roof framing in lieu of pre-fabricated trusses at the north addition
$5,388 for dormer framing revisions to allow for ductwork routing
$1,415 for power to overhead doors at the sally port east addition
$6,654 for metal panel soffit material at the north addition canopy extension
$5,724.40 for electrical repairs due to minimal buried conduit elevation and missing as-built information
$1,465 for wall type revision to avoid cost of structural steel to support masonry over windows
-$8,713 credit for kennel revisions as requested by staff based on operational requirements
-$19,341 credit for stainless cabinet revisions as requested by staff based on operational requirements
Change Order/Amendment No. 1 in the amount of $5,090,953 was approved by City Council on March 7, 2017 and represented the project GMP after subcontractor bids were received and analyzed for scope coverage.
Change Order/Amendment No. 2 in the amount of $218,121 was approved by City Council on July 18, 2017 (17-6932) and was comprised of the following:
1. $3,636 for demolition of concrete foundations and slab on the north side of the building to facilitate new slab design required per exposure of existing conditions
2. $73,130 for revisions to a plumbing flow line inside the existing building and adding a new 6” sewer service to connect to the sewer main on the south side of Warrior Trail due to existing sewer elevations being higher than anticipated
3. $139,855 for changing structural belled concrete piers to steel helical piles at the north and east expansion areas due to the presence of ground water
4. $1,500 for providing, installing and removal of temporary ceiling grid and tile in existing facility east corridor due to need for maintaining air conditioned environment with the presence of animals while still in operation
Change Order/Amendment No. 3 in the amount of $44,003 was approved by the City on November 17, 2017 and was comprised of the following:
$550 for power coordination to match dishwasher equipment purchased by the City
$1,595 for additional course of masonry required at the sally port addition
-$2,500 credit for light fixture changes to City standard manufacturer option
$37,237 for lighting control change to City standard provider
$5,171 for primary power relocation due to uncovered conflicts with renovations and additions
$1,950 for adjustment of steel elevation at entry area south addition
All items will be incorporated into the current Modern Contractors contract for a revised total contract amount of $5,384,578.85.
Financial Consideration
Funding in the amount of $30,501.85 is available in FY 2017/2018 Municipal Facilities Capital Projects Fund (405090) WO #01502803 (Animal Shelter Expansion) Modern Contractors contract contingency.