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