Exam 2 Scheduling

What are the components of a schedule?

- activities

-duration

-logic/sequence/constraints

Can lag be negative?

-Yes

-Called lead

What are the most common scheduling relationships?

-Finish to start

-Start to start with lag

-Finish to Finish with lag

Every activity should have at least one predecessor except the _____.

First

Can the specs define late finish?

yes

What is the difference between lag and float?

lag is the relationship we are designing and float is the difference calculation of early and late days

In a precedence diagram, the delta between early and late start should be the same as what?

early and late finish

What does it mean if an item is on the critical path?

mathematically there is no float

An item is not on the critical path if it has what?

float

What is the only activity that does not need a successor?

the last one

What qualifies a precedence diagram?

logic

By making early finish and late finish the same, what are you able to determine?

activities on the critical path

What are the 2 types of elevators?

-traction

-hydraulic

Not all companies cost load projects, but what companies always will?

ones working on federal jobs

What activities release skin?

structural activities

What are the 2 types of roofs?

-flat

-pitched

What are the 2 fundamentals for basis of payment?

-lump sum

-cost plus

What do cost plus contracts almost always include?

a guaranteed maximum price

What is the metric for cost plus contracts?

-give receipts and get paid

-reimbursed

What is the metric for lump sum contracts?

get paid for percent complete

In a lump sum contract what is irrelevant to the owner?

how much you spend

What are things are needed for cost plus payments to be made?

-labor reports

-monthly statements

-invoices with purchase orders

Who decides the level of detail needed for the Schedule of Values?

the owner but often influenced by the architect and the lender

A more detailed Schedule of Values are more ____ and more ____.

complex, accurate

For Schedule of Values, in order from most level of detail to least level of detail

1.CSI/Trade and locations, phases, floor, etc. 2.Expanded CSI by trades

3. CSI

4. Consolidated CSI

5. Sheet of Paper with prices

When you submit a Schedule of Values, what do you also submit?

a cover sheet

The schedule of values can account for your jobsite overhead and markup or you can do what?

add line items you bill against

Can you prorate and add a line item for jobsite overhead and fee?

Yes

For lump sum projects, the estimate is a proposal but once the contract is executed the GC is contractually obligated to carry the price out. T/F

True

Do subcontractors show a schedule of values to the GC as the GC does to the owner?

Yes

A bonus is a form of profit sharing. T/F

True

Formula to determine Proration

Activity/Line Item x 1.______ = Activity Value

The summation of activity values =

the contract amounts

Contract Value - (Fee+ Jobsite Overhead) =

activity costs

On a pay app, do materials stored affect the percentage in the G column?

Yes

The G column on a pay app represents what?

Total completed and stored to date

Does the GC have to disclose the fee to the owner on a bid job?

No

Does a GC have to submit a change order for every change on the job?

-No

-You can execute change orders that encompass many changes to the job

What has bearing on whether you conduct a change order?

size and scale

What are reasons for a change order to be executed?

-weather or other delays

-owner preference (scope, time)

-errors and omissions

-unforeseen conditions

-adjustment (unit cost, allowances)

-inspections/code

-contractual (remedy, terms)

Why type of insurance do architects have for mistakes made?

errors and ommissions

AIA G701

change order

AIA G702

pay app cover sheet

AIA G703

pay app

Communication for a change order

-Precipitate

-Respond

-Accept/not

Precipitating a change order can include:

-memo

-email

-min.

-Authority having jurisdiction

Responding to a change order includes:

proposing cost change and time change

What makes up the contract value?

-summation of activity costs

-fee

-jobsite overhead

Can some line items be prorated more than others?

yes

How do you determine monthly payment for a pay app?

(Completed and stored to date and adjusted retainage) -payment to date

Why would you need a project to accelerate/expedite?

-behind schedule

-owner request

-accommodate crew progression

-GC preference

-weather

Why might an GC prefer a job to accelerate?

-accommodate crew and man power

-Bonus

-resources to next/other job

-save jobsite overhead

How to accelerate/expedite a project?

-critical items allow everything else to be expedited

-low float items

-materials

if a job is accelerated and crews are working overtime, you have to pay time and a half in addition to regular contracted hours. T/F

False. You only have to pay the premium.

Does a GC have to pay extra for the materials if they have to be expedited?

No. The materials themselves are covered by the contract but the expedited freight/delivery is additional cost.

What are some benefits of expediting/accelerating a project?

-owner happy

-avoid liquidated damages

-bonus

-avoid further delays

-resources can go elsewhere

-save jobsite overhead

Direct Costs of accelerating/expediting a project:

-premium and PTI

-freight/delivery

-speed up fabrication

-wage differential

-per diem

-lighting, hoisting, etc.

What are indirect costs of accelerating/expediting a project?

-QC can decrease resulting in rework

-morale, fatigue resulting in safety issues

-owner "concerns"

-community/municipality

-supervision

What are the 2 constraints of finishes?

-inspections

-required sequence

What are the major factors affecting a laydown area for site utilization?

-accessibility to unload

-where is it going?

-damage

-excessive handling

When concerning site utilization, what activities change over the duration of the project?

-access, traffic, security

-hoisting and scaffolding

-materials

-waste

Do waste needs increase or decrease as the project progresses?

increase

Does the footprint of the building grow or shrink throughout the duration of the project?

grows