Ballast Review Flashcards
Look @ occupancy chart
Will do
Min clr floor space for 1 wheelchair
30x48
Occupancy load factors are based on
Net or gross floor area, depending on occupancy group
Max distance object may protrude into path of travel
4”
Duck size designations use ___ 1st and ____ second
Width by depth
The standard for exit width requirement is
.2 inches per person
An exit door must have a clear width of at least
32 inches
Height of the handrail for barrier free design
34 to 38 inches , measured from the nosing of the stair
1:12 ramp max rise is
30 in
1:8 ramp maximum rise
3 inches
Normal sequence of drawings
Site plan, civil, architectural, structural, mechanical, plumbing, electrical
The design strength of the final mix of concrete is determined after
28 days
Requires a material or product to be compliant with an independent testing
Reference specification
Defines the standard scope of services
B141
Bricklaying. One course has short sides next course has long sides
English bond
Bricklaying: each rack alternates longside short side and each course centers on the next
Flemish bond
Addenda are issued
Prior to bid
Quest for substitution must be received ___ days before the bid date
10
- change order
- construction change directive
- written order for minor change
- written amendment to the contract signed by both parties
Modification
- Acts on behalf of the principal to perform certain duties to third-party
- can legally bind principal
Agent
Contractor is an example of a
- Vendor
- supplies a specific product at a fixed price
Fast track
One part needs to start before the other ones are designed
Many prime contract
Advantages of using a CM
Early advice on constructibility
Early cost estimating/value analysis
Project scheduling
Professional management of multiple contracts
* in some cases guaranteed maximum price/completion date
Disadvantages of CM
Extra costs
More complicated management structure
A.k.a. stipulated sum/lump sum
Owner not responsible for cost overruns
Owner sees no savings if it comes in under budget
Fixed price
Price guaranteed by contractor
Owner see savings if project comes in under budget
GMP
Cost-plus fee
Actual cost
Plus fees set before contract signing
Design build
O + 1 entity design and construction
- May hire architects as subcontractors
- maybe a joint venture between A/C
- May subcontract both A/C
Advantages of design build
Single source of responsibility
Owner has fixed-price early
Total time usually reduced
Disadvantages of design build
- Owner has less control over design
Can be disagreements about what is included - Design build firm has control over material quality & construction methods
- To get what’s needed, client must develop specific performance requirements
In design build owner can hire architect as advisor to:
- Set up performance requirements
- Evaluate design build firm’s
- Administer contract
- Evaluate progress of work
Initial information
- project objectives
- owner’s program
- physical, legal, financial and time parameters
- Key personnel
- to encourage communication at beginning of project
Owner and contractor are supposed to communicate through
The architect
Owners responsibilities
Provide program
Land surveys
Geotechnical services
Privity
One party is protected from claims from another party where there’s no contractual relationship
Date of commencement can be either:
1) A fixed date in the contract
2) when receive “notice-to-proceed” letter
Substantial completion
When owner can use or occupy project
Retainage is typically
10%
Competitive bidding always uses
Stipulated sum
Advantages of cost-plus fee
More flexibility
Allow construction to proceed prior to final design
Unit prices are used for
Portions of projects but not usually whole projects
Who pays for the copy of the drawings and project manual
Owner