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
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
Final Design Evaluation Criteria for Transition Compound Project
1:Lowest 5:Highest
Cast in Place Concrete Pre-Cast Concrete Structural Steel Insulated Concrete Form Concrete Masonry Unit
Criteria
Range
Weight Factor
Cost
1-5
2
Schedule
1-5
2
Environmental Impact 1-5
1
Durability and Lifespan 1-5
1
Required Maintenance 1-5
1
Availability of Labor 1-5
1
Availability of Supplies 1-5
1
Total Score
Ranking
1: Best 5: Worst
Cast in Place Concrete
 Cost:
$990,457.10
 Construction Duration: 24.5 weeks
Criteria
Cost
Schedule
Environmental Impact
Durability and Lifespan
Required Maintenance
Availability of Labor
Availability of Supplies
Total Score
Ranking
1:Lowest 5:Highest
Cast in Place Concrete
Range Weight Factor
1-5
2
4
1-5
2
4
1-5
1
2
1-5
1
3
1-5
1
4
1-5
1
5
1-5
1
5
27
1-5
5
CMU
 Cost:
$895,957.10
 Construction Duration: 31 weeks
Criteria
Cost
Schedule
Environmental Impact
Durability and Lifespan
Required Maintenance
Availability of Labor
Availability of Supplies
Total Score
Ranking
1:Lowest 5:Highest
Concrete Masonry Unit (CMU)
Range Weight Factor
1-5
2
10
1-5
2
2
1-5
1
1
1-5
1
4
1-5
1
4
1-5
1
5
1-5
1
5
31
1-5
3
ICF
 Cost:
$898,601.70
 Construction Duration: 23.5 Weeks
Criteria
Cost
Schedule
Environmental Impact
Durability and Lifespan
Required Maintenance
Availability of Labor
Availability of Supplies
Total Score
Ranking
1:Lowest 5:Highest
Insulated Concrete Form (ICF)
Range Weight Factor
1-5
2
8
1-5
2
6
1-5
1
4
1-5
1
4
1-5
1
5
1-5
1
4
1-5
1
5
36
1-5
2
Precast Concrete
 Cost:
$1,147,957.10
 Construction Duration: 22 Weeks
1:Lowest 5:Highest
Range Weight Factor
1-5
2
1-5
2
1-5
1
1-5
1
1-5
1
1-5
1
1-5
1
Criteria
Cost
Schedule
Environmental Impact
Durability and Lifespan
Required Maintenance
Availability of Labor
Availability of Supplies
Total Score
Ranking
1-5
Precast Concrete
2
8
3
3
4
4
5
29
4
Structural Steel
 Cost:
$929,674.85
 Construction Duration: 20 Weeks
1:Lowest 5:Highest
Range Weight Factor
1-5
2
1-5
2
1-5
1
1-5
1
1-5
1
1-5
1
1-5
1
Criteria
Cost
Schedule
Environmental Impact
Durability and Lifespan
Required Maintenance
Availability of Labor
Availability of Supplies
Total Score
Ranking
1-5
Structural Steel
6
10
5
5
3
5
5
39
1
Final Design Evaluation Criteria
Final Design Evaluation Criteria for Transition Compound Project
Criteria
Cost
Schedule
Environmental Impact
Durability and Lifespan
Required Maintenance
Availability of Labor
Availability of Supplies
Total Score
Ranking
1:Lowest 5:Highest
Cast in Place Concrete
Range
Weight Factor
1-5
2
4
1-5
2
4
1-5
1
2
1-5
1
3
1-5
1
4
1-5
1
5
1-5
1
5
27
1: Best 5: Worst
5
Pre-Cast Concrete
Structural Steel
2
8
3
3
4
4
5
29
4
6
10
5
5
3
5
5
39
1
Insulated Concrete Form Concrete Masonry Unit
8
6
4
4
5
4
5
36
2
10
2
1
4
4
5
5
31
3
Comparison of Durations &
Costs
Comparison of Estimated Construction Costs and Durations
Construction Method
Structural Steel
Insulated Concrete Form (ICF)
Concrete Masonry Unit (CMU)
Pre-Cast Concrete
Cast-in-Place Concrete
Construction Duration
20 Weeks
23.5 Weeks
31 Weeks
22 Weeks
24.5 Weeks
$
$
$
$
$
Estimated Cost
929,674.85
898,601.70
895,957.10
1,147,957.10
990,457.10
Overall Ranking
1
2
3
4
5
Recommendations
 Structural
 ICF
Steel
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
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http://www.baruzzini.com/images/large/image-12.jpg
http://knoji.com/images/user/cmu-1.JPG
http://heatherwestpr.com/blog/wpcontent/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/C
atello%20Pumphouse.jpg?0.7051663490068698
http://www.designindustriesinc.com/Precast_Concrete_Wall_Install
_1.JPG
http://3.imimg.com/data3/JJ/OG/MY-4119982/structural-steelframe-commercial-building-250x250.jpg
http://ciabuildings.com/wordpress/wpcontent/uploads/2011/02/PICT01861-550x412.jpg