evaluating construction methods for an electrical transition compound christopher oconnor andrew...
TRANSCRIPT
Evaluating Construction Methods for an Electrical Transition CompoundChristopher O’ConnorAndrew Canniff
Abstract Evaluating Construction Methods Design Evaluation Criteria
Cost Estimates Construction Schedules Environmental Impact Durability & Lifespan Required Maintenance Availability of Labor & Materials
Recommendation Alternative Option
SK-1: Ground Floor Plan and Roof Plan
SK-2: Elevation
SK-3: Site Plan
Summary of Options Cast in Place Concrete Concrete Masonry Unit (CMU) Insulated Concrete Forms (ICF) Precast Concrete Structural Steel
Cast in Place Concrete Formwork Reinforcing steel
(Rebar) Mix-designed
concrete Pouring Stages Scaffolding and
Bracing Weatherproofing
Concrete Masonry Unit (CMU) CMU Block Horizontal Bracing Vertical
Reinforcing Steel (Rebar)
Grouting Scaffolding and
Bracing Weatherproofing
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
Precast Concrete Offsite Fabrication
of Reinforced Concrete Panels
Installation of Panels
Bracing Weatherproofing
Structural Steel Offsite fabrication
of beams, columns, and exterior steel panels
Installation of steel elements
Bracing Weatherproofing
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
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
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
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
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
Structural Steel Cost: $929,674.85 Construction Duration: 20 Weeks
1:Lowest 5:HighestCriteria Range Weight FactorCost 1-5 2Schedule 1-5 2Environmental Impact 1-5 1Durability and Lifespan 1-5 1Required Maintenance 1-5 1Availability of Labor 1-5 1Availability of Supplies 1-5 1Total ScoreRanking 1-5 1
Structural Steel
61055355
39
Final Design Evaluation Criteria
1:Lowest 5:Highest Cast in Place Concrete Pre-Cast Concrete Structural Steel Insulated Concrete Form Concrete Masonry UnitCriteria Range Weight FactorCost 1-5 2 4 2 6 8 10Schedule 1-5 2 4 8 10 6 2Environmental Impact 1-5 1 2 3 5 4 1Durability and Lifespan 1-5 1 3 3 5 4 4Required Maintenance 1-5 1 4 4 3 5 4Availability of Labor 1-5 1 5 4 5 4 5Availability of Supplies 1-5 1 5 5 5 5 5Total Score 27 29 39 36 31Ranking 1: Best 5: Worst 5 4 1 2 3
Final Design Evaluation Criteria for Transition Compound Project
Comparison of Durations & Costs
Construction Duration Estimated Cost Overall Ranking20 Weeks 929,674.85$ 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
Recommendations Structural Steel ICF
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.
Questions?
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