evaluating construction methods for an electrical transition compound
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Evaluating Construction Methods for an Electrical Transition Compound. Christopher O’Connor Andrew Canniff. Abstract. Evaluating Construction Methods Design Evaluation Criteria Cost Estimates Construction Schedules Environmental Impact Durability & Lifespan Required Maintenance - PowerPoint PPT PresentationTRANSCRIPT
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Evaluating Construction Methods for an Electrical Transition CompoundChristopher O’ConnorAndrew Canniff
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Abstract Evaluating Construction Methods Design Evaluation Criteria
Cost Estimates Construction Schedules Environmental Impact Durability & Lifespan Required Maintenance Availability of Labor & Materials
Recommendation Alternative Option
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SK-1: Ground Floor Plan and Roof Plan
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SK-2: Elevation
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SK-3: Site Plan
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Summary of Options Cast in Place Concrete Concrete Masonry Unit (CMU) Insulated Concrete Forms (ICF) Precast Concrete Structural Steel
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Cast in Place Concrete Formwork Reinforcing steel
(Rebar) Mix-designed
concrete Pouring Stages Scaffolding and
Bracing Weatherproofing
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Concrete Masonry Unit (CMU) CMU Block Horizontal Bracing Vertical
Reinforcing Steel (Rebar)
Grouting Scaffolding and
Bracing Weatherproofing
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Insulated Concrete Forms (ICF) ICF Block
Polystyrene Foam Insulation
Acts as permanent formwork
Mix-Designed Concrete Pouring Stages Vertical and Horizontal
Reinforcing Steel (Rebar) Scaffolding and Bracing Weatherproofing
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Precast Concrete Offsite Fabrication
of Reinforced Concrete Panels
Installation of Panels
Bracing Weatherproofing
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Structural Steel Offsite fabrication
of beams, columns, and exterior steel panels
Installation of steel elements
Bracing Weatherproofing
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Design Evaluation Criteria
1:Lowest 5:Highest Cast in Place Concrete Pre-Cast Concrete Structural Steel Insulated Concrete Form Concrete Masonry UnitCriteria Range Weight FactorCost 1-5 2Schedule 1-5 2Environmental Impact 1-5 1Durability and Lifespan 1-5 1Required Maintenance 1-5 1Availability of Labor 1-5 1Availability of Supplies 1-5 1Total ScoreRanking 1: Best 5: Worst
Final Design Evaluation Criteria for Transition Compound Project
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Cast in Place Concrete Cost: $990,457.10 Construction Duration: 24.5 weeks
1:Lowest 5:Highest Cast in Place ConcreteCriteria Range Weight FactorCost 1-5 2Schedule 1-5 2Environmental Impact 1-5 1Durability and Lifespan 1-5 1Required Maintenance 1-5 1Availability of Labor 1-5 1Availability of Supplies 1-5 1Total ScoreRanking 1-5 5
4423455
27
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CMU Cost: $895,957.10 Construction Duration: 31 weeks
1:Lowest 5:Highest Concrete Masonry Unit (CMU)Criteria Range Weight FactorCost 1-5 2Schedule 1-5 2Environmental Impact 1-5 1Durability and Lifespan 1-5 1Required Maintenance 1-5 1Availability of Labor 1-5 1Availability of Supplies 1-5 1Total ScoreRanking 1-5 3
10214455
31
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ICF Cost: $898,601.70 Construction Duration: 23.5 Weeks
1:Lowest 5:Highest Insulated Concrete Form (ICF)Criteria Range Weight FactorCost 1-5 2Schedule 1-5 2Environmental Impact 1-5 1Durability and Lifespan 1-5 1Required Maintenance 1-5 1Availability of Labor 1-5 1Availability of Supplies 1-5 1Total ScoreRanking 1-5 2
8644545
36
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Precast Concrete Cost: $1,147,957.10 Construction Duration: 22 Weeks
1:Lowest 5:HighestCriteria Range Weight FactorCost 1-5 2Schedule 1-5 2Environmental Impact 1-5 1Durability and Lifespan 1-5 1Required Maintenance 1-5 1Availability of Labor 1-5 1Availability of Supplies 1-5 1Total ScoreRanking 1-5 4
Precast Concrete
2833445
29
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Structural Steel Cost: $929,674.85 Construction Duration: 20 Weeks
1:Lowest 5:HighestCriteria Range Weight FactorCost 1-5 2Schedule 1-5 2Environmental Impact 1-5 1Durability and Lifespan 1-5 1Required Maintenance 1-5 1Availability of Labor 1-5 1Availability of Supplies 1-5 1Total ScoreRanking 1-5 1
Structural Steel
61055355
39
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Final Design Evaluation Criteria
1:Lowest 5:Highest Cast in Place Concrete Pre-Cast Concrete Structural Steel Insulated Concrete Form Concrete Masonry UnitCriteria Range Weight FactorCost 1-5 2 4 2 6 8 10Schedule 1-5 2 4 8 10 6 2Environmental Impact 1-5 1 2 3 5 4 1Durability and Lifespan 1-5 1 3 3 5 4 4Required Maintenance 1-5 1 4 4 3 5 4Availability of Labor 1-5 1 5 4 5 4 5Availability of Supplies 1-5 1 5 5 5 5 5Total Score 27 29 39 36 31Ranking 1: Best 5: Worst 5 4 1 2 3
Final Design Evaluation Criteria for Transition Compound Project
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Comparison of Durations & Costs
Construction Duration Estimated Cost Overall Ranking20 Weeks 929,674.85$ 1
23.5 Weeks 898,601.70$ 231 Weeks 895,957.10$ 322 Weeks 1,147,957.10$ 4
24.5 Weeks 990,457.10$ 5Pre-Cast ConcreteCast-in-Place Concrete
Insulated Concrete Form (ICF)Concrete Masonry Unit (CMU)
Comparison of Estimated Construction Costs and Durations
Construction MethodStructural Steel
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Recommendations Structural Steel ICF
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Acknowledgements DaBoys would like to sincerely thank all
members of the Dartmouth Stantec Office for not only all of your assistance throughout this project but also making both of us feel right at home.
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Questions?
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Picture Reference http://www.baruzzini.com/images/large/image-12.jpg http://knoji.com/images/user/cmu-1.JPG http://
heatherwestpr.com/blog/wp-content/uploads/2009/08/tufut.jpg?w=150
http://www.idevelop.ie/ibuild/images/ICF.jpg http://media.treehugger.com/assets/images/2011/10/icfsketch.jpg http://
www.actonprecast.com/admin/ktmlpro/images/uploads/Catello%20Pumphouse.jpg?0.7051663490068698
http://www.designindustriesinc.com/Precast_Concrete_Wall_Install_1.JPG
http://3.imimg.com/data3/JJ/OG/MY-4119982/structural-steel-frame-commercial-building-250x250.jpg
http://ciabuildings.com/wordpress/wp-content/uploads/2011/02/PICT01861-550x412.jpg