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This addendum modifies the RFP DoIT 2025-067 schedule for the New Hampshire Department of Transportation's Managed Security Service Provider procurement. The RFP seeks proposals from qualified vendors to provide managed security services and field support for NHDOT's TSMO Bureau and TMC operations. Due to the volume of vendor inquiries received, NHDOT extended the timeline for responses and clarifications. The revised proposal submission deadline is November 5, 2026, at 3:00 PM ET, extended from the original October 13, 2026 date. An extended vendor inquiry period runs from October 9, 2026, through October 16, 2026, at 4:00 PM ET, accepting only questions directly related to published addenda content. Final state responses to all vendor inquiries will be issued by October 26, 2026. Vendor presentations and interviews are scheduled for the week of December 14, 2026, with estimated vendor selection on January 6, 2027, followed by anticipated Governor and Council approval on May 19, 2027, and Notice to Proceed on May 24, 2027.

The addendum does not address pricing, set-asides, incumbent information, or funding sources. The modifications apply to Section 1.2 Schedule of Events, Section 2.5 Vendor Inquiries, and Section 3.1.2 Transmittal Form Letter of the original RFP, with a revised Transmittal Letter provided as Addendum 3, Attachment 2. The state will publish responses to inquiries received by September 22, 2026, prior to opening the extended inquiry period, and will issue a revised RFP with the next addendum reflecting all schedule and procedural modifications.

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dot-attachment2---transmittal-letter.docx DOCX document
addendum5-attachment6---table-e---pricing-worksheet.xlsx XLSX spreadsheet
dot-attachment1-table-b-2.1-mssp-system-requirements.xlsx XLSX spreadsheet
dot-attachment5---appendix-b-2.3.1-incident-response.pdf PDF
addendum5-attachment4---rfp-doit-2025-067-table-b-2.2-and-table-b-2.3.xlsx XLSX spreadsheet
mssp-rfp-addendum5.pdf PDF
addendum5-attachment1-table-b-2.1-mssp-system-requirements.xlsx XLSX spreadsheet
addendum5-inquiryresponses.pdf PDF
addendum1-attachment8-vendorconferenceresponses.pdf PDF
addendum4---schedule-modification2.pdf PDF
dot-attachment7---rfp-doit-2025-067---standard-contract-form.pdf PDF
dot-attachment4---rfp-doit-2025-067-table-b-2.2-and-table-b-2.3.xlsx XLSX spreadsheet
addendum1-attachment4---rfp-doit-2025-067-table-b-2.2-and-table-b-2.3-revised.xlsx XLSX spreadsheet
dot-attachment6.1---appendix-e-1.2.1-mssp-field-tech-support-equipment.pdf PDF
addendum4-attachment2---transmittal-letter-revised.docx DOCX document
addendum2-inquiryresponse.pdf PDF
dot-attachment6---table-e---pricing-worksheet.xlsx XLSX spreadsheet
addendum3-attachment2---transmittal-letter-revised--1-.docx DOCX document
addendum1-attachment10-rfp-appendixb-revised.pdf PDF
addendum1-attachment9-vendorconferenceslides.pdf PDF
dot-mssp-rfp-final.pdf PDF
dot-attachment3---request-for-information-form.docx DOCX document
addendum5-attachment5---appendix-b-2.3.1-incident-response-revised.pdf PDF
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Text version

STATE OF NEW HAMPSHIRE

DEPARTMENT OF TRANSPORTATION

RFP DoIT 2025-067 – Managed Security Service Provider (MSSP)

ADDENDUM #3

The RFP required all inquiries to be submi�ed by September 22, 2026. Due to the quan ty of inquiries and clarifica on requests received, NHDOT will require addi onal me to review and respond via

Addendum. Sec on 1.2 Schedule of Events in the RFP indicated a target for Final State Responses to

Vendor Inquiries on October 2, 2026. With this Addendum, NHDOT is modifying the schedule to provide addi onal me for review, considera on and response. Addi onally, with the quan ty of inquiries that include changes to the RFP and its a�achments, the State will allow for a restricted, extended vendor inquiry period.

Modifica ons to the RFP (a revised RFP will be published with the next Addendum)

1. Cover Page: Revise the Proposal Due Date to November 5, 2026, 3:00 PM ET.

2. Sec on 1.2 Schedule of Events: Revise the schedule table in the RFP as noted below.

Revised Schedule

EVENT REVISED DATE & TIME (ET)

State Responses to Vendor Inquiries (received by

September 22, 2026);

Begin Extended Vendor Inquiry Period

October 9, 2026

Extended Vendor Inquiry Period Ends October 16, 2026 4:00 PM

Final State Responses to Vendor Inquiries October 26, 2026

Final Date and Time for Proposal Submission November 5, 2026 3:00 PM

Invita ons for Oral Presenta ons November 24, 2026

Vendor Presenta ons/Discussion

Sessions/Interviews (Mandatory or Op onal)

Week of December 14, 2026

Es mated Date of Vendor Selec on January 6, 2027

An cipated Governor and Council Approval May 19, 2027

An cipated No ce to Proceed May 24, 2027

3. Sec on 2.5 Vendor Inquiries: Include new paragraph at the end of the sec on as follows:

Extended Vendor Inquiry Period – Following the publica on of the responses to inquiries received on or before September 22, 2026, the State will accept addi onal inquires to be submi�ed for a period of four business days, no ng that the State will only consider inquiries directly related to the content of the published addenda. Inquiries concerning anything from the RFP or its a�achments that is unmodified or unaddressed by a published addendum will not be considered.

4. Sec on 3.1.2 Transmi�al Form Le�er: Revise the Proposal Due Date on the State of New

Hampshire Proposal Transmi�al Form Le�er to November 5, 2026, 3:00 PM ET. See

ADDENDUM3_ATTACHMENT2 - Transmi�al Le�er Revised.

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