EXECUTIVE SUMMARY

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EPISCOPALHIGHSCHOOLCENTENNIALGYMNASIUM
ALEXANDRIA,VA
April7,2010
SENIORTHESISFINALREPORT
EricFedder–CM
Dr.ChrisMagentAdvisor
1.0EXECUTIVESUMMARY
Senior Thesis Final Report is intended to discuss the findings and conclusions of the three analyses
performed on the Episcopal High School Centennial Gymnasium Addition/Renovation. This project
includesa60,000SFnewgymnasiumadditionaswellas39,000SFofrenovationworktotheexisting
gymnasiumandwrestlingfacilities.Eachtopiciscenteredonthecentralthemeofimprovingefficiency
in the construction industry: project procurement efficiency, prefabrication efficiency and energy
efficiency.
ANALYSIS#1:CriticalIndustryIssue
The current economy has forced many companies to venture into unfamiliar markets with different
procurementstrategies.AshiftfromnegotiatedGMPcontractstohardbidlumpsumcontractsrequires
a change in techniques and methods when pursuing projects. This analysis entailed a qualitative
perspectiveonthiscriticalissuebyinterviewingseveralindustry membersandcomparingtechniques.
The analysis showed that the main factor for success when pursing hard bid lump sum projects is
establishingrelationshipswithsubcontractorsandsecuringthebottomlinepricingtoproducethemost
competitivebid.
ANALYSIS#2:EliminationofInefficiencythroughuseofPrefabrication
Site congestion and minimal storage/lay down space has lead to trades working inefficiently and
unsafelyonsite.Themasonrytradehasoccupiedthemostspaceonsiteandencounteredmanydelays
duetoinefficientwork.Thisanalysisshowedthatutilizingprefabricatedpanelsforthefaçadeinlieuof
thedesignedCMUwallwithbrickveneerreducedtheamountofonsitelaborandtradecoordination
and eliminated delays due to inefficiency. This was achieved due to the ability to start the precast
erection after the concrete superstructure, instead of overlapping the major trades as originally
scheduled.Also,theprecastpanelsproducedasignificantsavingsofnearly$460,000whenconsidering
theremovalofCMU/brick,thereductionofspandrelbeamsizeandthecost/SFofprecastpanels.
ANALYSIS#3:FeasibilityandDesignStudyforPhotovoltaicEnergySystem
TheCentennialGymnasiumprojectisslatedtoachieveLEEDCertificationuponcompletion.However,
the project has utilized very few sustainable techniques that could provide a financial benefit to
Episcopal High School. The focus of this analysis was a design and feasibility study for a rooftop PV
system. This analysis showed that the 9000SF South facing roof area of the New Centennial addition
could be utilized to construct a PV array capable of producing enough energy to support all of the
overhead gymnasium lighting in both the new and existing gymnasiums. A preliminary structural
analysis revealed that there would be no impact to the design and the electrical analysis provides
recommendationsforconnectingtotheexistingsystem.Takingintoconsiderationtherebate/incentive
programs within the state of Virginia, the feasibility study showed that the system would recuperate
initialcostswithin14yearsofstartup.
ERICFEDDER–SENIORTHESISFINALREPORT
3

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