Silverliner-VI-RFP-Addendum-12.pdf

September 11, 2026

Dear Proposers:

Attached is Addendum No. 12 to SEPTA's Request for Proposal No. 25 - 00300 - AMJP

- Silverliner VI Rail Cars.

The proposal due date and time scheduled for Friday, October 30th, 2026, at 04:30 PM remains unchanged. All proposals must be delivered to my attention by the closing date and time to be considered for the award. The proposals must be sent to SEPTA’s General Offices, 1234 Market Street, 11th Floor, Philadelphia, PA 19107.

Any inquiries regarding this proposal must be directed to Michael Piselli of the Procurement and Supply Chain Management Department at (215) 580-8364 or mpiselli@septa.org.

Thank you for your interest in the Authority.

Sincerely, Michael Piselli Manager, Contract Administration Procurement & Supply Chain Management mailto:mpiselli@septa.org

Addendum No. 12

Request for Proposal No. 25- 00300 - AMJP

Silverliner VI Rail Cars Addendum No. 12

To All Bidders:

The following constitutes Addendum No. 12 to SEPTA's 25-00300-AMJP –Silverliner VI Rail Cars.

Addendum No. 12 must be acknowledged by inserting the date of the Addendum on the Addenda Response Form. Failure to do so may render a bid as non-responsive.

General:

1. Questions and Answers (264-265) are attached.

Specifications:

1. Remove Contract issued with Invitation to Propose dated November 6, 2025 and replace with Contract released with Addendum #12

2. Remove Instructions to Proposers issued with Invitation to Propose dated November 6, 2025 and replace with Instructions to Proposers released with Addendum #12

3. Included with Addendum #12:

• Updated Contract (clean version)

• Redlined Contract

• Updated Instructions to Proposers (clean version)

• Redlined Instructions to Proposers

• Change Matrix – Contract

• Change Matrix - Instructions to Proposers

ADDENDUM NO. 12

ADDENDUM ACKNOWLEDGEMENT SHEET

SEPTA’s RFP No. 25-00300- AMJP Silverliner VI Rail Cars.

The attached addendum to the Contract Documents is hereby part of the same and is incorporated in full as part of the Project. Proposer shall acknowledge Addendum No. 12 by completing and returning the Addendum Acknowledgment Sheet with the Technical Proposal.

FIRM NAME: (typed or printed)

AUTHORIZED SIGNATURE:

TITLE:

NAME: (typed or printed)

DATE:

Addendum No. 12 includes:

1. Question and Answers (264-265)

2. Updated Contract (clean version)

3. Updated Instruction to Proposers (clean version)

4. Redlined Contract

5. Redlined Instruction to Proposers

6. Change Matrix – Contract

7. Change Matrix – Instruction to Proposers

No. Reference Question Answer

Contract Document

XIX.H

We are seeking clarification regarding the scope of tariff-related cost compensation.

According to XIX. H, pricing may be escalated if costs are materially increased by tariffs imposed "on, or in connection with the Work performed."

Since the "Work" inherently requires the procurement of various subcomponents and raw materials, we interpret this clause to include not only tariffs on finished goods delivered to SEPTA but also tariffs imposed on raw materials and subcomponents that directly increase the Contractor’s performance cost.

Please confirm that cost increases originating from tariffs on these essential intermediate goods are eligible for adjustment, provided that the Contractor submits the required documentation (invoices, country of origin, and percentage related to the Work) as specified in the Agreement.

Confirmed but please reference the updated contract language in this addendum. See XIX.J.

IP 9.5

Proposal Acceptance Period

According to Clause IP 9.5, the proposal shall be binding for 120 days following the Best and Final Offer (BAFO).

Could SEPTA please clarify the validity period of the Initial Proposal in the event that a BAFO is not requested, or during the period prior to the BAFO request?" 90 Days