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A bid addendum changes the specified roofing membrane three days before bid day. What should the bidder do?

Correct Answer

C) Acknowledge the addendum and include the revised scope in the bid.

Issued addenda become part of the bidding and contract documents, so the bidder should acknowledge the addendum and price its scope.

Answer Options
A
Use the old membrane and hope to change it after award.
B
Assume the cheaper contract interpretation where a bid addendum changes the specified roofing membrane three days before bid day, and price the work without an issued addendum.
C
Acknowledge the addendum and include the revised scope in the bid.
D
Submit the bid without mentioning which membrane is priced, while keeping the revised roofing product out of the bid file.

Why This Is the Correct Answer

Issued addenda become part of the bidding and contract documents, so the bidder should acknowledge the addendum and price its scope.

Why the Other Options Are Wrong

Option A: Use the old membrane and hope to change it after award.

Use the old membrane and hope to change it after award. skips the written authority, scope, price, notice, or release control needed for bidding and addenda.

Option B: Assume the cheaper contract interpretation where a bid addendum changes the specified roofing membrane three days before bid day, and price the work without an issued addendum.

Assume the cheaper contract interpretation where a bid addendum changes the specified roofing membrane three days before bid day, and price the work without an issued addendum. skips the written authority, scope, price, notice, or release control needed for bidding and addenda.

Option D: Submit the bid without mentioning which membrane is priced, while keeping the revised roofing product out of the bid file.

Submit the bid without mentioning which membrane is priced, while keeping the revised roofing product out of the bid file. skips the written authority, scope, price, notice, or release control needed for bidding and addenda.

Memory Technique

Bidding And Addenda: added scope rides with the bid, not with memory after opening.

Reference Hint

Study anchor (closed-book): memorize Bidding and addenda from CSLB 2026 Law Book; California contracting practice / CSLB Law Book bidding and contract administration; know the rule or calculation trigger without relying on exam-room lookup.

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