CORB study guide UPDATED ACTUAL Questions and CORRECT
Answers
1. What 4 things can be modified un- Changes can be made to the following:
der the Changes Clause (1) In the specifications (including drawings and de-
signs);
(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.
2. 4 checks for ACO to issue a mod 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?
3. 7 Clauses in which ACO may modify 1. Variation in Estimate Quantity
construction contracts 2. Differing Site Conditions
3. Suspension of Work
4. Changes
5. Value Engineering - Construction
6. Default
7. Changes and Changed Conditions (purchase or-
ders)
4. Letter from the Contracting Officer ACO Appointment Letter
that authorizes the ACO to oblig-
ate the government only within the
monetary and other limitations del-
egated to them for a specific con-
tract.
, CORB study guide UPDATED ACTUAL Questions and CORRECT
Answers
5. If the quantity of a unit-priced item Variation in Estimated Quantity Defined
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 ad-
justment in the contract price shall
be made upon demand of either
party.
6. When a fixed-price construction Variation in Estimated Quantity Clause
contract is contemplated that au-
thorizes a variation in the estimated
quantity of unit-priced items
7. Consider economy of scale rule of Variation in Estimated Quantity Rule of Thumb
thumb when evaluating variation
in estimated quantity proposals. In-
crease in quantity should decrease
unit price
8. Clause which allows contractor to Differing Site Conditions
seek equitable adjustment if condi-
tions are found to differ materially
from what is indicated in the con-
tract or normally encountered
9. Subsurface or latent physical con- Differing Site Conditions Type 1
ditions at the site which differ ma-
terially from those indicated in this
contract
10. Differing Site Conditions Type 2
, CORB study guide UPDATED ACTUAL Questions and CORRECT
Answers
Unknown physical conditions at the
site, of an unusual nature, which dif-
fer materially from those ordinar-
ily encountered and generally rec-
ognized as inhering in work of the
character provided for in the con-
tract.
11. (a) The Contractor shall promptly, Differing Site Conditions Contractor Responsibilities
and before the conditions are dis-
turbed, 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.
12. The Contracting Officer may order Suspension of Work
the Contractor, in writing, to sus-
pend, delay, or interrupt all or any
part of the work of this contract for
the period of time that the Contract-
ing Officer determines appropriate
for the convenience of the Govern-
ment.
13. (b) The Contracting Officer shall Differing Site Conditions Government Responsibilities
investigate the site conditions
promptly after receiving the notice.
If the conditions do materially so
differ and cause an increase or de-
Answers
1. What 4 things can be modified un- Changes can be made to the following:
der the Changes Clause (1) In the specifications (including drawings and de-
signs);
(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.
2. 4 checks for ACO to issue a mod 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?
3. 7 Clauses in which ACO may modify 1. Variation in Estimate Quantity
construction contracts 2. Differing Site Conditions
3. Suspension of Work
4. Changes
5. Value Engineering - Construction
6. Default
7. Changes and Changed Conditions (purchase or-
ders)
4. Letter from the Contracting Officer ACO Appointment Letter
that authorizes the ACO to oblig-
ate the government only within the
monetary and other limitations del-
egated to them for a specific con-
tract.
, CORB study guide UPDATED ACTUAL Questions and CORRECT
Answers
5. If the quantity of a unit-priced item Variation in Estimated Quantity Defined
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 ad-
justment in the contract price shall
be made upon demand of either
party.
6. When a fixed-price construction Variation in Estimated Quantity Clause
contract is contemplated that au-
thorizes a variation in the estimated
quantity of unit-priced items
7. Consider economy of scale rule of Variation in Estimated Quantity Rule of Thumb
thumb when evaluating variation
in estimated quantity proposals. In-
crease in quantity should decrease
unit price
8. Clause which allows contractor to Differing Site Conditions
seek equitable adjustment if condi-
tions are found to differ materially
from what is indicated in the con-
tract or normally encountered
9. Subsurface or latent physical con- Differing Site Conditions Type 1
ditions at the site which differ ma-
terially from those indicated in this
contract
10. Differing Site Conditions Type 2
, CORB study guide UPDATED ACTUAL Questions and CORRECT
Answers
Unknown physical conditions at the
site, of an unusual nature, which dif-
fer materially from those ordinar-
ily encountered and generally rec-
ognized as inhering in work of the
character provided for in the con-
tract.
11. (a) The Contractor shall promptly, Differing Site Conditions Contractor Responsibilities
and before the conditions are dis-
turbed, 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.
12. The Contracting Officer may order Suspension of Work
the Contractor, in writing, to sus-
pend, delay, or interrupt all or any
part of the work of this contract for
the period of time that the Contract-
ing Officer determines appropriate
for the convenience of the Govern-
ment.
13. (b) The Contracting Officer shall Differing Site Conditions Government Responsibilities
investigate the site conditions
promptly after receiving the notice.
If the conditions do materially so
differ and cause an increase or de-
