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Published byAmber Walsh Modified over 9 years ago
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Dan Packer Construction Management Senior Thesis April 16, 2002
Site Improvements & New Middle School Building William Penn Charter School Dan Packer Construction Management Senior Thesis April 16, 2002 Department of Architectural Engineering
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Presentation Outline Project Background Site Renovation Planning
4D Site Planning Alternative Structural System Summary Questions
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Project Background Quaker School - founded in 1689
Oldest Quaker School in the world High standards – Academic and Athletic Kindergarten – 12th grade Enrollment – 855 students Located in Philadelphia 45 acre campus 5 existing buildings
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Project Background Part 1 of Master Plan Part 2 Site Improvements
Middle School Building Part 2 Performing Arts Building Middle School Performing Arts
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Project Background Primary Project Team Owner: William Penn Charter School General Contractor: Intech Construction, Inc. Architect: Bower Lewis Thrower Landscape Architect/ Civil Engineer: Cairone & Kaupp, Inc. Structural Engineer: O’Donnell & Naccarato MEP Engineer: Paul H. Yeomans, Inc. Acoustical Consultant: Metropolitan Acoustics
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Project Background Project Delivery Method
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Project Background Project Timeline
Site Improvements 29May01 – 03Sept01 Middle School Building 20June01 – 15Aug02
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Project Background Project Costs Site Improvements $3.1 Million
Middle School Building $7.8 Million Contingency of $300,000 to be used for either phase of the project
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Project Background Middle School Building Features
Similar Architecture as other buildings on campus Exterior stone matched Main Building’s exterior stone (Wissahickon Schist) Natural Slate roof matching Main Building’s Exposed heavy timber trusses
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Project Background Site Improvement Features Demolition
Trees and shrubs Tennis courts Sidewalks and asphalt roads Athletic fields Playground area Fencing and signage Sewer piping & structures
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Project Background Site Improvement Features New Construction
Sanitary and storm sewer piping - structures Underground electrical & telecommunications New parking lots, campus roads, sidewalks, curbs Seven new tennis courts Two new athletic fields with new sod turf Site fencing Playground area with safety surface Landscaping and site furnishings
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Site Renovation Planning
Pre – Construction Planning Purpose Alleviate headaches during construction Possible cost and time savings Avoid delays by staying on top of issues Permits Long lead time items Create communication between all project members Owner Designers Construction Manager & Subcontractors
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Site Renovation Planning
Pre – Construction Planning Key items to be addressed Review schedule dates – make sure all are in agreement Parking requirements – temporary parking lot Permits Site utilities, sewer tie-ins Road closure Meet with neighbors and address concerns Home inspections Site specific safety plan
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Site Renovation Planning
Pre – Construction Planning Key items to be addressed Locate existing utilities Submittals for long lead time items Underground piping and structures Contract a testing consultant Concrete pours Soil compaction rates Discuss site access with Owner
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Site Renovation Planning
Site Access Not 100% accessible throughout summer May 29, 2001 – small section available June 11, 2001 – remainder of site available Day camps from June 18th – August 3rd DEMO ALLOWED
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Site Renovation Planning
Addressing the issues Communication between all parties Schedule Constructability Address all issues early Develop site layout plan Use new technology to assist with planning Project collaboration via the internet 4D CAD
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4D CAD What is 4D CAD?
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4D CAD Advantages & Disadvantages Advantages
Ability to clearly communicate plan Identify major issues ahead of time Owner’s needs Constructability Develop a sequencing plan Balance resources – crews and equipment
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4D CAD Advantages & Disadvantages Disadvantages
Time intensive to develop Expensive In House Outsourced Desired level of detail can be difficult to achieve
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4D CAD Benefits for WPCS Site Improvements Construction Manager (GC)
Gives opportunity to correct conflicts before they arise in the field during a tight schedule Owner Site access plan – what the contractor expects Subcontractors Allows subs to see number of crews necessary to complete work Where they should be at all times
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4D CAD
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4D CAD
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4D CAD Recommendation Not recommended for WPCS Site Improvements
Smaller project Effectively communicate the plan during Pre-Construction Utilize One or Two Week Look-Aheads
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Floor System Redesign VS.
Concrete Masonry Units – Open Web Steel Joists – Slab on Metal Deck VS. Concrete Masonry Units – Precast Hollow Core Planks
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Hollow Core Precast Planks
Original System Welded bearing plate 4” Slab on Metal Deck 8” Bond Beam K Series joists ranging from 10 – 26” deep 8” CMU
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Hollow Core Precast Planks
Proposed System Reinforcement 2” topping slab 8” Precast hollow core plank 8” Bond Beam 8” CMU
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Hollow Core Precast Planks
System Comparison Steel Joists Hollow Core Plank 10”-26” depth 10” (8” + 2”) deep 3’ O.C. 4’ O.C. Vibration Considerations No vibration Acoustical Issues Sound Attenuation Bridging needed to stabilize Laterally Stable Tack Welded to deck No Metal Deck 9 different types of joists 1 type of concrete plank Welded to steel plate at bearing Reinforcing at Connection to Wall
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Hollow Core Precast Planks
Schedule Comparison – Saves 22 days 1st & 2nd Floor Sequence Roof enclosed by October 18th
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Hollow Core Precast Planks
Cost Comparison Original Floor System $202,764 Precast Plank System $180,581 Cost Savings $22,183
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Hollow Core Precast Planks
Conclusion Recommendation Precast Planks Simpler for field construction Produces minor cost savings Shortens schedule for earlier enclosure
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Summary Site Renovation 4D CAD Floor System – Precast Plank
Communication between parties Well thought out plan 4D CAD Effective on larger scaled projects Floor System – Precast Plank Simple system Reduce schedule
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Common Point Technologies
Acknowledgements Thanks to… AE Faculty Fellow Students Friends and Family Intech Construction Nitterhouse Concrete Common Point Technologies
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Questions???
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