Mansfield University Dormitories Mansfield, Pennsylvania Michael Mahoney Construction Option Senior Thesis Presentation 2013 The Pennsylvania State University
Mansfield University Dormitory Project Michael Mahoney Presentation Outline Construction Management I. Project Overview II. Modular Preconstruction III. Modular Setting Precision IV. Flooring System Analysis V. Panelized Façade Design VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Project Overview Construction Management Presentation Outline Cost: $39 Million Project Team Function: Student Residence Buildings I. Project Overview Owner: Size: Building C: 79,500 SF Mansfield University II. Modular Preconstruction Building D: 135,400 SF III. Modular Setting Precision Room Type: Suite Style Room Including Bathroom Architect: Capacity: 700 Students IV. Flooring System Analysis WTW Architects Facilities: Kitchen, Snack Shack and Health Center V. Panelized Façade Design Height: 4 Stories Construction Manager: VI. Acknowledgements August 2012 – October 2013 Schedule: Wohlsen Construction Delivery Method: CM @ Risk with GMP
Mansfield University Dormitory Project Michael Mahoney Modular Preconstruction Modular Units Are Typically 10ft x 50ft x 10ft tall Construction Management Presentation Outline PROBLEM I. Project Overview • Added Time Needed During Preconstruction for Modularization II. Modular Preconstruction III. Modular Setting Precision GOAL IV. Flooring System Analysis • Evaluate the Value of Time Saved in the Field vs. Time Spent During Precon V. Panelized Façade Design • Evaluate if BIM Would Increase Productivity in Modular Unit Construction VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney 7 Types of Units Modular Preconstruction Construction Management Type E Room TOTAL PROJECT Presentation Outline 300 units I. Project Overview BUILDING C BUILDING D II. Modular Preconstruction 27 Units per Floor 48 Units per Floor III. Modular Setting Precision Type C Room 108 Units Total 192 Units Total IV. Flooring System Analysis Building D Building C Type Total Ppl/Rm Residents Type Total Ppl/Rm Residents V. Panelized Façade Design B 56 2 112 B 48 2 96 C 122 2 244 C 64 2 128 D 4 4 16 E 4 4 16 VI. Acknowledgements E 4 4 16 G 4 2 8 F 9 2 18 H 1 2 2 G 4 2 8 I 2 3 6 H 4 3 12 256 426
Mansfield University Dormitory Project Michael Mahoney Modular Preconstruction Construction Management Presentation Outline I. Project Overview Stick Built Schedule II. Modular Preconstruction • Large Crew Sizes III. Modular Setting Precision • Durations Taken from Phase I Dormitory Construction IV. Flooring System Analysis • Durations Adjusted for Size of Building V. Panelized Façade Design • 112 Day Total Duration VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Preconstruction Construction Management February 12, 2013 1:00 PM Presentation Outline • 5 Units Set Modular Unit Schedule • Set 10 Units a Day I. Project Overview • 300 Total Units II. Modular Preconstruction • 30 Total Days of Modular Setting III. Modular Setting Precision Schedule Comparison IV. Flooring System Analysis • 112 Days Stick Built vs. 30 Days Modular V. Panelized Façade Design • 82 Days Difference February 13, 2013 1:00 PM VI. Acknowledgements • 16 Weeks Difference • 15 Units Set
Mansfield University Dormitory Project Michael Mahoney Modular Preconstruction Construction Management Presentation Outline Modular Unit Schedule General Condition Costs Saved • Set 10 Units a Day I. Project Overview • 16 Weeks Saved • 300 Total Units II. Modular Preconstruction • 30 Total Days of Modular Setting • Costs $170,000 per a Month III. Modular Setting Precision • Total Savings of $680,000 Schedule Comparison IV. Flooring System Analysis Preconstruction Costs • 112 Days Stick Built vs. 30 Days Modular V. Panelized Façade Design • 82 Days Difference • 16 Weeks of Preconstruction VI. Acknowledgements • 16 Weeks Difference
Mansfield University Dormitory Project Michael Mahoney Modular Preconstruction Construction Management BIM Uses in Modular Preconstruction Presentation Outline Design • Design Phase Uses of BIM Modular Unit Construction and BIM Design Authoring • I. Project Overview • Design Reviews Highly Repetitive Work X Design Reviews • • 3D Coordination 280 of 300 Rooms are Type B or C II. Modular Preconstruction X 3D Coordination • • Phase Planning Trades Are Working for the Same Company Engineering Analysis III. Modular Setting Precision Sustainability Evaluation • • Advantages of BIM Increased Cooperation Code Validation • IV. Flooring System Analysis • Field Productivity X Phase Planning Factory Atmosphere Cost Estimation • • Easier to Interpret Design Engineers Locally Located V. Panelized Façade Design Existing Conditions Modeling • Starting Point for Field BIM VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Preconstruction Construction Management Presentation Outline CONCLUSION I. Project Overview • Preconstruction Took 16 Weeks II. Modular Preconstruction III. Modular Setting Precision • Modular Setting Saved 16 Weeks IV. Flooring System Analysis • BIM is not Ideal for Modular Construction V. Panelized Façade Design VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Presentation Outline PROBLEM I. Project Overview • Precision of Modular Setting Technique II. Modular Preconstruction III. Modular Setting Precision GOAL IV. Flooring System Analysis • Find More Precise Way to Sent Units V. Panelized Façade Design VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Step 1: Delivery of Modular Unit Presentation Outline I. Project Overview Step 2: Attach Rigging II. Modular Preconstruction Step 3: Crane Lifts Unit into Place III. Modular Setting Precision IV. Flooring System Analysis Step 4: Crew Members in Lifts Guide Unit into Final Placement V. Panelized Façade Design Step 5: Fasten Units and Detach Rigging VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Step 1: Delivery of Modular Unit Presentation Outline I. Project Overview Step 2: Attach Rigging II. Modular Preconstruction Step 3: Crane Lifts Unit into Place III. Modular Setting Precision IV. Flooring System Analysis Step 4: Crew Members in Lifts Guide Unit into Final Placement V. Panelized Façade Design Step 5: Fasten Units and Detach Rigging VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Step 1: Delivery of Modular Unit Presentation Outline I. Project Overview Step 2: Attach Rigging II. Modular Preconstruction Step 3: Crane Lifts Unit into Place III. Modular Setting Precision IV. Flooring System Analysis Step 4: Crew Members in Lifts Guide Unit into Final Placement V. Panelized Façade Design Step 5: Fasten Units and Detach Rigging VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Step 1: Delivery of Modular Unit Presentation Outline I. Project Overview Step 2: Attach Rigging II. Modular Preconstruction Step 3: Crane Lifts Unit into Place III. Modular Setting Precision IV. Flooring System Analysis Step 4: Crew Members in Lifts Guide Unit into Final Placement V. Panelized Façade Design Step 5: Fasten Units and Detach Rigging VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Step 1: Delivery of Modular Unit Presentation Outline I. Project Overview Step 2: Attach Rigging II. Modular Preconstruction Step 3: Crane Lifts Unit into Place III. Modular Setting Precision IV. Flooring System Analysis Step 4: Crew Members in Lifts Guide Unit into Final Placement V. Panelized Façade Design Step 5: Fasten Units and Detach Rigging VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Possible Errors in Setting Process Presentation Outline • Men on Lifts Adjusting Units into Place I. Project Overview Example: • Plumb and Level II. Modular Preconstruction 0.5 Degrees Off for 4 Floors Large Gaps III. Modular Setting Precision Gap at the Top Would be 10.5 Inches • Create More Finish Work for Field Subcontractors IV. Flooring System Analysis • Slower Schedule V. Panelized Façade Design • Create Possible Structural Issues VI. Acknowledgements
Mansfield University Dormitory Project Michael Mahoney Modular Setting Analysis Construction Management Sensor Possible Solution Presentation Outline • GPS Machine Control for Dozers I. Project Overview • System Would Check Unit Location with 3D Model II. Modular Preconstruction Operator III. Modular Setting Precision Interface IV. Flooring System Analysis V. Panelized Façade Design GPS VI. Acknowledgements Transmitter
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