Arlington Public Schools · 2019-12-30 · Philadelphia PA 113.7 Winchester VA 91.6 Washington DC...
Transcript of Arlington Public Schools · 2019-12-30 · Philadelphia PA 113.7 Winchester VA 91.6 Washington DC...
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School Construction CostsSchool Cost & Risk Analysis
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Arlington Public Schools
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Outline
3/1/2017
•Cost Definitions
•Cost Variables
•Risk Management
•Key Takeaways
•Next Steps2
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Cost Definitions
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• Funding Available• Approved Budget• Construction Cost• Escalation• Total Project Cost• Final Cost
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Funding Available
Available funding sources for Major Capital projects include:
• Bond sales authorized by voters in referendum every two years for Major Construction and Minor Capital/Major Maintenance (MC/MM)
• Capital reserves• Joint APS/Arlington County fund for community
amenities
School Board may approve increases in Funding Available as project scope develops during design.
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Approved Budget
• School Board approves budget for a Major Capital project upon award of contract for construction.
• Approved Budgets include Contingencies for additional costs that always arise during construction.
• School Board may increase Approved Budget if contingencies are exceeded.
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Construction Cost
1. Estimated Construction Cost: May change during design to align project scope and Funding Available for construction
2. Bid Cost: Lowest responsive bid for construction from pre-qualified general contractor, included in Approved Budget
3. Final Construction Cost:Actual cost to APS including all changes made during construction
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Escalation
Estimated increase in cost from date of estimate through mid-point of construction.
• Long term average in DC Metro region is 2.5 to 3.0% per year.
• Short term annual increases vary much more with regional and national economy.
Appropriate escalation is included in all APS cost estimates.
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Total Project Cost
Construction Cost plus all other costs incurred in completing Major Capital projects, including:
Architecture/Engineering Fees • Construction Management Fees • Legal Fees • Permit Fees • Contingencies • IT Infrastructure & Equipment • Other Equipment • Furniture & Furnishings • Testing & Inspections • Incidental Costs • Real Property Acquisition
For APS projects Total Project Cost varies between 20% and 25% of Construction Cost since real property is not normally acquired.
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Final Cost
Final Construction Cost
+
Final total of all other costs incurred to complete project
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Cost Variables
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• Location
• Capacity Calculations
• Actual Capacity
• Educational Specifications
• Community Expectations
• Sustainable Design
• Additions/Renovations
• Balancing Variables10
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Location Factors
Climate:Layout • Indoor/Outdoor Circulation • HVAC Systems Building Enclosure
Site Context:Urban • Suburban • Rural • Remote • Available Utilities • Offsite Improvements • High-Rise/Low-Rise Structured Parking
Labor Market:Union • Non-Union • Availability
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Location Cost Index
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Baseline* 100.0*RS Means 2013Average of 30 major US cities
Philadelphia PA 113.7 Winchester VA 91.6
Washington DC 97.3 Norfolk VA 87.0
Baltimore MD 93.0 Richmond VA 86.9
Arlington VA 93.9 Charlottesville VA 85.6
Alexandria VA 93.8 Farmville VA 78.9
Fairfax VA 93.0 Grundy VA 78.8
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Capacity Calculations
Results vary according to methodology and policy on class size, e.g.:
Washington-Lee High School
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Maximum Class Size
Per Arlington SB policy 25.4
Per Virginia DOE 36.0
School Capacity/Total Students
Per 5/7 model 1,600 Approved by School Board when designed
Per 6/7 model 1,908 Subsequently approved by School Board
Per recent study 2,200 Completed by MK Think
Per Virginia DOE 2,300 Approximately
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Actual Capacity
• Neighborhood school classes are generally below maximum class size.
• Choice school classes are generally close to or at maximum class size.
• Special programs vary by school, year and need.
• Maximum number of students in a regular program may be higher than in a special program requiring same floor area.
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Educational Specifications
Specify requirements for:Room Size • Types of Rooms • Number of Rooms • IT infrastructure & Equipment • Other Equipment • Furniture & Furnishings • Outdoor Learning Spaces • Playgrounds • Athletic Fields & Amenities
Educational Specifications vary widely by school district according to school board policy and community expectations.
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Community Expectations
Vary greatly and impact cost directly, usually in proportion to dollars spent per student by division:
Indoor Swimming Pools • Expanded Indoor Athletic Facilities • Expanded Outdoor Athletic Facilities Synthetic Turf Fields • Stadiums • Concession Stands • Community-Sized Auditoriums/Theaters • Studio Theaters • Parking Structures • Enhanced Landscaping • Offsite Improvements • Sustainability
The Arlington community spends more per student and demands more of its school facilities than most other Virginia communities.
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Sustainable Design
• Sustainability is now carefully integrated with overall design to achieve high performance learning environments.
• Certain features may be added to improve energy performance, e.g. geothermal at Wakefield, solar at New Elementary School.
• LEED Gold should not add cost provided sustainability is a fundamental prerequisite from the outset.
• LEED Platinum is likely to add cost.
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Additions/Renovations
Generally cost more per seat added than all new construction, due to:
Improvements/Updates to Existing Facility Construction in Multiple Phases • Temporary Installations Needed to Operate School during Construction • Unanticipated Existing Conditions • Community Engagement Process
Additions/Renovations benefit more students per dollar spent than all new construction.
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Balancing Variables
Three basic variables: number of students, gross area of building, Final Construction Cost
Three basic metrics
• SF/student: gross square feet per student
• $/student: cost per student
• $/SF: cost per gross square foot
Consider all three metrics when comparing facilities
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Risk Management
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What Are We Worried About?
Cost
• Exceeding Funding Available before construction
• Exceeding Budget during construction
Schedule
• Failing to meet construction deadlines
Communications
• Failing to meet community expectations
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Mitigating Risks
• Prior to adopting CIP
• During design
• During construction
• Balancing risk with contingencies
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Yorktown High School
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Key Takeaways
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• Comparing School Construction Costs• Construction Costs in Arlington
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Comparing School Construction Costs
Many variables challenge comparisons between Arlington and other school divisions:
Funding Available/Approved Budget Construction Cost/Total Project Cost Bid Cost/Final Cost • Cost Index/LocationDate Completed • Site ContextMethodology used for Occupancy Calculations Educational Specifications Community Expectations
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Construction Costs in Arlington
Costs are generally higher than elsewhere in Virginia:
Metro DC Location • Urban Sites Instructional Programs & Support Special Needs ProgramsLower Class Sizes • Sustainability Goals High Performance Learning Environments Community Expectations
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3/1/2017
Next Steps
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• 2014 CIP
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2014 Capital Improvement Plan
• Use multiple metrics for comparing costs with other divisions
• Plan for flexibility of program/capacity
• Recognize impact of fully-developed, urban environment on costs
• Manage risk appropriately
• Manage community expectations
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Thank You
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Bill Downey, Downey & Scott, Warrenton, VASimon Hough, Dharam Consulting, Boston, New York, PhiladelphiaJames Partridge, AECOM, Arlington, VA