Building Materials & Systems (2) Flashcards
What parties are involved in Design Bid Build (DBB)
Owner –> Design team & General Contractor —> sub contractors
What are the advantages of DBB
Traditional approach
Design is complete before construction starts
Case laws to help solve litigation
What are the disadvantages of DBB
Slower schedule
Minimal contractor input
Difficult to change orders due to cost & schedule
What parties are involved in Design Build (DB)
Owner –> Design Builder –> subcontractors
Or the General Contractor can be the central point of contact for the owner and subcontractors
What are the advantages of DB
More contractor input
One point of contact for owner
Fast project delivery
What are the disadvantages of DB
Lacks checks and balances
Subcontractors may be brought onto project late
Needs defined performance metrics
What are the key material & systems considerations (7)
- cost
- functionality
- technical constraints
- energy
- green/sustainability practices
- aesthetics
- local conditions
What is the purpose of building codes
To establish a minimum requirement to safeguard public health
Why are there different occupancy groups
To determine the materials allowed for that project and what safety requirements are necessary
What are major building elements
Enclosure
Foundation
Mechanical, Electrical & Plumbing
Structure