library in metropolitan washington, d.c. lowell stine | construction | rob leicht penn state...
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Coppin State University
Library In Metropolitan Washington, D.C.Lowell Stine | Construction | Rob Leicht Penn State Architectural Engineering Senior Capstone Project
Picture Provided by Multivista 11Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsProject IntroductionLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
Picture Provided by Multivista 2Project IntroductionLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
KeyExisting BuildingsRoadsOpen SpaceSidewalksConstruction SiteAccess RoadBuilding FootprintBuilding OverhangSite TrailersUnloading AreaFuture Apt. SiteExisting Building10 Story100Existing Building5 Story60New Building 5 Story 85Building Name: Library in Metropolitan Washington, D.C.
Location: Metropolitan Washington, D.C. (Undisclosed)
Occupant: County Library & Non-profit Art Group
Function Types: A-3 (Assembly) B (Business) M (Mercantile)
Gross Area: 90,000 ft2
Number of Stories: Five Plus Basement
Project Delivery: Design-Bid-Build
Construction Dates: January 2013 October 2014
Project Cost: $69.5 Million Owner: Undisclosed CountyConstruction Manager: MBPCivil Engineer: ADTEKArchitect: The Lukmire PartnershipMechanical & Plumbing Engineer: Mendoza, Ribas, Farinas & AssociatesLandscape Architect: Parker RodriguezContractor: Costello ConstructionElectrical Engineer: Mendoza, Ribas, Farinas & AssociatesInterior Design: The Studio of Sandra RaganStructural Engineer: Columbia EngineeringIT/Security: Wright EngineeringLighting Consultant: MCLAProject TeamOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments3Project IntroductionLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.New Building 5 Story 85Systems
Architectural: 50 Cantilever of 3rd thru 5th FloorsExposed Structure in Library Space
Structure:Concrete CaissonsStructural SteelComposite Slabs
Building Enclosure:53% Curtain Wall UV ProtectionTerra Cotta PanelsArchitectural CMUs
Mechanical:IPEC (Integrated Packages Equipment Center)Hydronic In-Slab Heating
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsPicture Provided by MultivistaPicture Provided by http://www.systecon.comPicture Courtesy of The Lukmire Partnership, Inc. 4
Analysis OverviewLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Early Involvement in Design Research Analysis
Caisson Rebar Cage Fabrication Analysis
Structural Sequencing Analysis
Structural Breadth
Mechanical Penthouse vs. IPEC Analysis
Acoustical Breadth
Design
Foundation
Structure
Building SystemsProgramming DesignProcurementConstruction
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsMeasurable Success
1) Minimize costs and schedule delays from change orders and rework
2) Minimize wasted material and labor costs and limit schedule delays
3) Shorten structural erection durations
4) Cost effectiveness and fewer constructability challenges 5Early Involvement in Design Research AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 6Early Involvement in Design Research AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments7Goal
Considerations / RequirementsSpecifics of this ProjectTypical Problem Areas
7Early Involvement in Design Research AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Similar Topics#CriteriaConsistency1Owner Buy-in5 of 52Cost Considerations5 of 53Scope Included5 of 54Relationship Outcomes4 of 55Quality & Project Flow4 of 56Schedule Considerations4 of 57Contract Considerations3 of 58Owner Involvement3 of 59Future of Early Involvement3 of 5Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 7Goal
Considerations / RequirementsSpecifics of this ProjectTypical Problem Areas
Industry Member Interviews
ScopesBenefitsOwner Buy-inFuture
8Early Involvement in Design Research AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Goal
Considerations / RequirementsSpecifics of this ProjectTypical Problem Areas
Industry Member Interviews
ScopesBenefitsOwner Buy-inFuture
Mind Maps
Show TopicsTrace Patterns Similar Topics#CriteriaConsistency1Owner Buy-in5 of 52Cost Considerations5 of 53Scope Included5 of 54Relationship Outcomes4 of 55Quality & Project Flow4 of 56Schedule Considerations4 of 57Contract Considerations3 of 58Owner Involvement3 of 59Future of Early Involvement3 of 5Mind MapsOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments7
9Early Involvement in Design Research AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Overall Conclusions
Smooth Transition Between Phases
Early Cost Influence
Programming DesignProcurementConstructionAbility to Influence CostsProject DurationConceptionHighLowCompletionProgrammingDesignProcurementConstructionClose-outInfluence of Cost CurveOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsProcess Flow 8Early Involvement in Design Research AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Results
Earlier Involvement is Beneficial
Less Change Orders
Cost Savings
Funding Issues
Scope Selection (Project Specific)
Rating ScaleOwnerCMContractorDesign TeamFundingX---Resources AvailableExperienceXScope Inclusion AreasScopesProgramConceptualSchematic DesignDesign DevelopmentConstruction DocumentsConstructionContractorStart-upScope Selection &Sign ContractSub Selection &Design InputSub Selection &Design InputDesign Input & Long Lead ItemsManagementMEP-Planning, Questions &Sign ContractConsult w/ SubsDesign InputDesign Input & Long Lead ItemsProcurement Structural---Consult w/ Subs, Design Input & Sign ContractDesign Input & Long Lead ItemsProcurementCurtain Wall--Consult w/ Subs &Sign ContractDesign InputDesign Input & Long Lead ItemsProcurementOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 9Caisson Rebar Cage FabricationAnalysis Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 10Caisson Rebar Cage Fabrication AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Goal
Determine Appropriate Fabrication Method Cost SavingsScheduled Reduction
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsPicture Provided by Multivista 11Caisson Rebar Cage Fabrication AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Goal
Determine Appropriate Fabrication Method Cost SavingsScheduled Reduction
Background
9 Caisson Types (48 Total)Prefab to Planned LengthPlanned Lengths Incorrect15 Day Delay
Caisson TypesTypeVertical Rebar #Qty. of Vertical RebarTie ## of Ties per LFWeight of Vertical Rebar (lb/LF)Weight of Ties (lb/LF)1a98412761b96412062a118414392b11124164112c11164185132d112441128152e112851149212f11164285272g11285214941
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsPicture Provided by Multivista 11Caisson Rebar Cage Fabrication AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Goal
Determine Appropriate Fabrication Method Cost SavingsScheduled Reduction
Background
9 Caisson Types (48 Total)Prefab to Planned LengthPlanned Lengths Incorrect15 Day Delay
Fabrication Methods
100% PlannedPlaned + 10%80% of Planned10 Sections15 Sections
Caisson TypesTypeVertical Rebar #Qty. of Vertical RebarTie ## of Ties per LFWeight of Vertical Rebar (lb/LF)Weight of Ties (lb/LF)1a98412761b96412062a118414392b11124164112c11164185132d112441128152e112851149212f11164285272g11285214941
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsPicture Provided by Multivista 11Caisson Rebar Cage Fabrication AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Results
30 Max Cage Length
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments
Picture Provided by www.rebarsuply.net 12Caisson Rebar Cage Fabrication AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Results
30 Max Cage Length
Truck Crane Installation
Concrete Pump Placement
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments
Picture Provided by www.rebarsuply.netPicture Provided by Multivista 12Caisson Rebar Cage Fabrication AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Results
30 Max Cage Length
Truck Crane Installation
Concrete Pump Placement
High Splice Costs
Cut-off Higher Productivity
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments
Picture Provided by http://news.thomasnet.com/Picture Provided by www.rebarsuply.net
Picture Provided by Multivista 12Caisson Rebar Cage Fabrication AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Results
30 Max Cage Length
Truck Crane Installation
Concrete Pump Placement
High Splice Costs
Cut-off Higher Productivity
Use 100% Prefabricated Method
Accept UnknownsPrefabrication Option ComparisonCaisson TypesBase LineOver 10% Prefab EstimationPrefab 80% of Estimation10 Length Sections15 Length Sections1a $ 1,207.13 $ 2,018.26 $ 580.70 $ 2,545.31 $ 1, 040.01 1b $ 1,756.59 $ 2,059.49 $ 993.63 $ 579.61 $ 285.71 2a $ 2,313.82 $ 2,827.37 $ 1,856.53 $ 3,661.62 $ 1,512.15 2b $ 1,845.69 $ 2,300.02 $ 937.03 $ 2,177.57 $ 260.10 2c $ - $ - $ - $ 2,022.40 $ 1,011.20 2d $ 1,516.80 $ - $ 1,516.80 $ 3,033.60 $ 1,516.80 2e $ 12,484.19 $12,139.79 $ 13,377.24 $ 33,762.24 $ 15,289.27 2f $ - $ 243.22 $ 3,024.00 $ 3,725.88 $ - 2g $ 1,827.72 $ 2,183.29 $ 1,116.59 $ - $ 808.19 Grand Totals $ 22,951.94 $ 32,329.00 $ 23,402.52 $ 51,508.23 $ 21,723.43 Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments
Picture Provided by http://news.thomasnet.com/Picture Provided by www.rebarsuply.net
Picture Provided by Multivista 12Structural SequencingAnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 13Structural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.GoalReevaluate Structural SequenceSave Erection CostsShorten Erection Schedule
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 14Structural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.GoalReevaluate Structural SequenceSave Erection CostsShorten Erection Schedule
Background Information Current ErectionComplex Erection Sequence5 Week Delay
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 14
Structural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 15Shoring Sequence
LinearStructural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Shoring Sequence
Linear4-D ComparisonsSlabs After ShoringHanger Resizing?
14325Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 15
Structural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 16Complexity of Erection
Complex structureInconsistent erection sequence
Structural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 16Complexity of Erection
Complex structureInconsistent erection sequence
Site
Very urban siteShoring will occupy large areaTight delivery schedulingStructural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 16Complexity of Erection
Complex structureInconsistent erection sequence
Site
Very urban siteShoring will occupy large areaTight delivery scheduling
Safety
High priorityDangerous welding locationsOSHA compliance
Picture Provided by MultivistaStructural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Complexity of Erection
Complex structureInconsistent erection sequence
Site
Very urban siteShoring will occupy large areaTight delivery scheduling
Safety
High priorityDangerous welding locationsOSHA compliance
Trade Integration
Delay of MEP rough-in start-up
MEP Rough-in Start DatesDescriptionTop-Down OptionShoring OptionMEP Rough-in Start10/23/1311/14/13
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 16Picture Provided by MultivistaStructural Breadth - Shoring DesignLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 17Required Shoring Load
Dead LoadsLive LoadsPu= 291 psf
Structural Breadth - Shoring DesignLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 17Required Shoring Load
Dead LoadsLive LoadsPu= 291 psf
Picking Shoring System
Mabeys Mass SeriesShoring Towers
Picture Provided by Mabey Inc.Structural Breadth - Shoring DesignLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 17
Required Shoring Load
Dead LoadsLive LoadsPu= 291 psf
Picking Shoring System
Mabeys Mass SeriesShoring Towers
Finalize Shoring Design
Mass 25 - 100 kipsSpace at 20x18(16) 5x5 & (2) 5x10
Picture Provided by Mabey Inc.Structural Breadth - Shoring DesignLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Required Shoring Load
Dead LoadsLive LoadsPu= 291 psf
Picking Shoring System
Mabeys Mass SeriesShoring Towers
Finalize Shoring Design
Mass 25 - 100 kipsSpace at 20x18(16) 5x5 & (2) 5x10
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 17Structural Sequencing Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Results
3 Week Schedule Savings (with shoring install)
$30,000 Savings
Better Productivity (Specific Zones)
Recommend the Shoring Sequence
Shoring Cost Break DownDescriptionPer TowerTotalMinimum First 4 Weeks$1357$24,430Every Week After for 4 Weeks$828$14,900Tax (6%)$131$2,360Total$2,316$41,690Cost ComparisonsDescriptionPer TowerGeneral Condition Savings$72,000Shoring Costs$41,690Total Estimated Costs Savings$30,000Zone DelaysStructure Duration ComparisonsDescriptionPlannedTop-Down OptionShoring OptionSteel Erection Start6/25/137/4/137/4/13Structure Complete Milestone1/1/143/7/142/13/14Total Duration (weeks)283330IPEC vs. Mechanical PenthouseCriteria & CategoriesTop-DownShoringConstructabilityxSchedulexCostSitexSafetyxOther TradesxOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 18Mechanical Penthouse vs. IPECAnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments19Mechanical Penthouse vs. IPEC AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 20Goals
IPEC & Penthouse DifferencesHow to Chose Which to UseGain Knowledge of Each
35
Mechanical Penthouse vs. IPEC AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Integrated Packaged Equipment Center (IPEC)
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsProvided by MBP (Construction Documents Courtesy of MBP) 20Goals
IPEC & Penthouse DifferencesHow to Chose Which to UseGain Knowledge of Each
IPEC
Prefabricated Equipment Module4 CMU Base WallOne Supplier
36Mechanical Penthouse vs. IPEC AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Integrated Packaged Equipment Center (IPEC)
Mechanical Penthouse
Goals
IPEC & Penthouse DifferencesHow to Chose Which to UseGain Knowledge of Each
IPEC
Prefabricated Equipment Module4 CMU Base WallOne Supplier
Mechanical Penthouse
Site ConstructedOn Concrete Structural RoofMultiple Different Suppliers
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsPicture Provided by http://www.jetsongreen.com/
2037Acoustical BreadthLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.
Kids Section Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsProvided by MBP (Construction Documents Courtesy of MBP) 21Acoustical Impacts of IPEC and Penthouse
Library SpacesOutdoor Environment
Differences
Similar Acoustical PropertiesOver Estimates
Acoustical BreadthLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Acoustical Impacts of IPEC and Penthouse
Library SpacesOutdoor Environment
Differences
Similar Acoustical PropertiesOver Estimates
Recommendations
IPEC Would Be More Desirable
Kids Section Noise LevelsLimitActualConference Room35 dB37 dBProperty Line55 dB57 dBOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 21Provided by MBP (Construction Documents Courtesy of MBP)Mechanical Penthouse Vs. IPEC AnalysisLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Results
1 Week On Site vs. 10.5 Weeks On Site
Potential $1 Million Savings
Flexible Design
Penthouse
Design-Build Package
IPEC vs. Mechanical Penthouse CostsSystemEquipmentEnclosure/ StructureTotalIPEC$5,800,000$50,000$5,850,000Penthouse$4,880,000$100,000$4,880,000IPEC vs. Mechanical Penthouse ScheduleSystemLead TimeSite Install TimeIPEC1 Long Lead Item (Months)1 WeekPenthouseMultiple Shorter Lead Times (Weeks)10.5 WeeksIPEC vs. Mechanical PenthouseCriteria & CategoriesIPECPenthouseAcousticalMaintenancexFlexibility in DesignxResponsibilityConstructabilityCostsxSchedulexOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments22ConclusionsLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Design (Early Involvement)
Foundation (100% Prefabrication Cage Length)
Structure (Shoring Sequence)
Building Systems (Mechanical Penthouse)Early InvolvementUndetermined Cost SavingsUndetermined Schedule Savings
100% Prefabrication Cage Length$0.00 SavingsAccount for Caissons in Schedule
Shoring Sequence$30,000 Savings3 Week Schedule Savings
Mechanical PenthousePossible $1 Million SavingsAdditional 9.5 Week Mechanical ScheduleProgramming DesignProcurementConstructionOutline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgments 23Acknowledgments Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.Questions?
AcademicMichelle VigeantMoses LingDr. Robert LeichtKevin ParfittRay Sowers
Special ThanksLibrarys OwnerPACE Industry MembersMatt StrevigFriends and Family
Outline
Project IntroductionEarly InvolvementCaisson Rebar Cage Prefab Structural SequencingStructural BreadthMechanical Room Acoustical BreadthSummary of ConclusionsAcknowledgmentsPicture Provided by Multivista 24Structural Analysis
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.25
Shoring Sequence Schedule Current Structural Schedule
General Conditions CostsStructural Breadth - Shoring Load Calcs.
Lowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.26
Dead Load CalculationsLive Load & Factored LoadsLive Load Assumptions
Started with 50 psf
Four floors is 200 psf
In live load reduction total is 129 psf
Factored live load would then be 206 psf(This would be an acceptable live load on four floors of only structure)Acoustical Breadth CalculationsLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.27
Zone 2 Acoustics Acoustical Breadth CalculationsLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.28Conference Room Acoustics
Penthouse CostsLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.29Equipment
EnclosurePenthouse DurationsLowell Stine | ConstructionLibrary In Metropolitan Washington, D.C.30
Equipment Enclosure