Estimating Flashcards

1
Q

6 level of estimating

A

Owner’s estimate
1. Conceptual
2. Alternative design
3. Owner/engineers
Contractor’s estimate
4. Contractor’s bid (most detailed)
5. Alternative construction method
6. Change order/claim

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2
Q

Horizontal format items

A
  • L (Labor)
  • RL (Repair and Service labor)
  • PM (Permanant materials)
  • EM (Expendable materials)
  • S (Sub-contractors)
  • EOE (Equipment
  • Operating Expense)
  • R (Rental)
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3
Q

Horizontal format risk rank

A

L, RL
EM
EOE, R
S, PM

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4
Q

Vertical format items

A
  • Direct/indirect cost
  • Escalation
  • Interest
  • Contingency
  • Markup
  • Bond fee
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4
Q

3 identified contingencies

A
  • Productivity hedge
  • Soft subs
  • Special risk event
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5
Q

1 unidentified contingency

A

Markup

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6
Q

3 types of escalations

A

Labor
Material
Equipment

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7
Q

3 methods for calculating markups

A
  1. total cost %
  2. labor %
  3. broad based
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8
Q

2 types of bid

A
  1. Lump sum
  2. Schedule of bid items (more restricted)
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9
Q

EOE includes;

A
  • F.O.G: Fuel Oil Grease
  • Tires
  • small repair parts
  • 3rd party over haul
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10
Q

Ex of direct cost

A
  • Raw material
  • Labor
  • Equipment
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11
Q

Ex of indirect cost

A
  • Salary
  • Overhead expenses
  • Insurance/taxes
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12
Q

Why is the direct cost done before indirect cost?

A

Indirect cost depends on time which is affected by direct cost.

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13
Q

What is soft sub?

A

Subcontractor not covered by performance bond

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14
Q

What is escalation?

A

Increase in price of equipment, labor and material over time

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15
Q

What is takeoff quantity?

A

Estimated quantity by your crew

16
Q

What is bid quantity?

A

Estimated quantity by owner’s engineer

17
Q

What is prorate factor?

A

Total bid item / Total takeoff

18
Q

Differences between crew and indiv. method

A

Crew
Sum vertical columns x cost by hrs

Indiv.
Calc each items then times w/ time. -> sum

19
Q

How to calculate interest

A

(net revenue - outlay) x interest rate

20
Q

What is the purpose of calculating prorate factor?

A
  • Fairness in distribution of time, cost and resources
  • Show the effects of changes and delays
21
Q

Rank from high to low risk construction

A

TBTESH