612748 A4.pdf

Ten Park Plaza, Suite 4160, Boston, MA 02116 Tel: 857-368-4636, TTY: 857-368-0655 mass.gov/massdot

April 14, 2023

Proposal No. 612748-121699

ADDENDUM NO. 4

To Prospective Bidders and Others on:

DISTRICT 6

Inspection, Testing, Maintenance & Repairs of Fire Detection Systems at

Various Locations

PROPOSAL TO BE OPENED AND READ: WEDNESDAY, APRIL 19, 2023 at 2:00 P.M.

Transmitting changes to the Contract Documents as follows:

RESPONSES TO BIDDERS’ QUESTIONS: Two pages attached.

Please take note of the above and acknowledge Addendum No. 4 in your Expedite Proposal file before submitting your bid.

Very truly yours, Eric M. Cardone, P.E.

Construction Contracts Engineer

MB

c: Youssef, Ancarlos, Project Manager

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DISTRICT 6

Inspection, Testing, Maintenance & Repairs of Fire Detection Systems at Various

Locations (612748-121699)

Responses to Bidders’ Questions Addendum No. 4, April 14, 2023

Pine Ridge Technologies, Inc., e-mail dated April 11, 2023

Question 3) The Q+A response #1 on addendum #3 does not answer the question. Please delineate the allowed work hours for each of the buildings/locations on this project.

Response 3) Buildings can be inspected/tested during first shift during normal business hours and tunnel devices are to be inspected during third shift with proper closures (this is where coordination with District Operations would be needed).

The RE will advise the contractor which locations need to be addressed first.

Aetna Fire Alarm Service Co., Inc., e-mail dated April 11, 2023

Question 4) Are all tunnel devices to be tested off hours, pending traffic shut downs?

Response 4) Yes

Question 5) Are occupied buildings’ AV testing performed off hours?

Response 5) No, however Contractors are allowed to start earlier by an hour or two.

Question 6) Is all testing required to be on an approved Barcoding provider?

Response 6) Yes (CLSS or Building Reports is acceptable)

Question 7) Will testing of the fireworks system be required for all 38 sites as a part of this contract?

Response 7) Yes

Question 8) Will we be responsible to coordinate with HOCs DYNAC as part of testing?

Response 8) Yes, signals must be checked to ensure they were received.

Question 9) Will we be responsible for testing the deluge, suppression and various sprinkler systems with the Sprinkler contractor?

Response 9) Yes

Question 10) Will coordinating road closures with DOT be the responsibility of the Fire

Alarm Contractor?

Response 10) Contractor must coordinate with DOT Supervisor.

DISTRICT 6

Inspection, Testing, Maintenance & Repairs of Fire Detection Systems at Various

Locations (612748-121699)

Responses to Bidders’ Questions Addendum No. 4, April 14, 2023

Question 11) Are we responsible for testing the thermal road system fire detection points?

Response 11) Yes

Question 12) Are we responsible for bi-directional antennae testing?

Response 12) No

Question 13) Is an F-1 License required?

Response 13) Yes

Question 14) Who is the Fire Alarm Monitoring Company?

Response 14) American Alarm

Question 15) Is a UL Testing certificate required?

Response 15) No but it is preferred.

Question 16) Is the Fire Alarm contractor responsible to review construction projects and submittals for the DOT at no cost to the DOT?

Response 16) Both Fire Alarm contractor and MassDOT will review construction projects and submittals. The cost related to reviewing construction projects and submittals will be incidental to the appropriate item.