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CORB study guide Question and answers already passed What 4 things can be modified under the Changes Clause - correct answers Changes can be made to the following: (1) In the specifications (including drawings and designs); (2) In the method or manner of performance of the work; (3) In the G...

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  • March 6, 2025
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  • 2024/2025
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CORB study guide Question and
answers already passed
What 4 things can be modified under the Changes Clause - correct answers
Changes can be made to the following:
(1) In the specifications (including drawings and designs);
(2) In the method or manner of performance of the work;
(3) In the Government-furnished property or services; or
(4) Directing acceleration in the performance of the work.


4 checks for ACO to issue a mod - correct answers 1. Is the absolute value of
the change within warrant threshold of $500K?
2. Is the change for a construction contract?
3. Is the change within the scope of the contract?
4. Is the change governed by any of the 7 authorized clauses?


7 Clauses in which ACO may modify construction contracts - correct answers
1. Variation in Estimate Quantity
2. Differing Site Conditions
3. Suspension of Work
4. Changes
5. Value Engineering - Construction
6. Default
7. Changes and Changed Conditions (purchase orders)

,Letter from the Contracting Officer that authorizes the ACO to obligate the
government only within the monetary and other limitations delegated to them
for a specific contract. - correct answers ACO Appointment Letter


If the quantity of a unit-priced item in this contract is an estimated quantity and
the actual quantity of the unit-priced item varies more than 15 percent above
or below the estimated quantity, an equitable adjustment in the contract price
shall be made upon demand of either party. - correct answers Variation in
Estimated Quantity Defined


When a fixed-price construction contract is contemplated that authorizes a
variation in the estimated quantity of unit-priced items - correct answers
Variation in Estimated Quantity Clause


Consider economy of scale rule of thumb when evaluating variation in
estimated quantity proposals. Increase in quantity should decrease unit price -
correct answers Variation in Estimated Quantity Rule of Thumb


Clause which allows contractor to seek equitable adjustment if conditions are
found to differ materially from what is indicated in the contract or normally
encountered - correct answers Differing Site Conditions


Subsurface or latent physical conditions at the site which differ materially from
those indicated in this contract - correct answers Differing Site Conditions
Type 1


Unknown physical conditions at the site, of an unusual nature, which differ
materially from those ordinarily encountered and generally recognized as
inhering in work of the character provided for in the contract. - correct answers
Differing Site Conditions Type 2

, (a) The Contractor shall promptly, and before the conditions are disturbed,
give a written notice to the Contracting Officer


(d) No request by the Contractor for an equitable adjustment to the contract
for differing site conditions shall be allowed if made after final payment under
this contract. - correct answers Differing Site Conditions Contractor
Responsibilities


The Contracting Officer may order the Contractor, in writing, to suspend,
delay, or interrupt all or any part of the work of this contract for the period of
time that the Contracting Officer determines appropriate for the convenience
of the Government. - correct answers Suspension of Work


(b) The Contracting Officer shall investigate the site conditions promptly after
receiving the notice. If the conditions do materially so differ and cause an
increase or decrease in the Contractor's cost of, or the time required for,
performing any part of the work under this contract, whether or not changed
as a result of the conditions, an equitable adjustment shall be made under this
clause and the contract modified in writing accordingly. - correct answers
Differing Site Conditions Government Responsibilities


What type of modifications do not include profit? - correct answers
Suspension of Work Modifications


Any other written or oral order (which, as used in this paragraph (b), includes
direction, instruction, interpretation, or determination) from the Contracting
Officer that causes a change shall be treated as a change order under this
clause; Provided, that the Contractor gives the Contracting Officer written
notice stating-
(1) The date, circumstances, and source of the order; and
(2) That the Contractor regards the order as a change order. - correct answers
What is considered a change order under the Changes Clause?

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