addendum no. 4 greenfield-montague bridge …

Massachusetts State Seal, Charles D. Baker, Governor, Lieutenant GovernorStephanie Pollack, Secretary & CEO,Jonathan L. Gulliver, Highway Administrator, MassDOT Highway Division Logo

Ten Park Plaza, Suite 4160, Boston, MA 02116 Tel: 857-368-4636, TTY: 857-368-0655

www.mass.gov/massdot

June 15, 2020 Proposal No. 601186-111028

ADDENDUM NO. 4

To Prospective Bidders and Others on:

GREENFIELD-MONTAGUE Bridge Rehabilitation (Including Painting)

Br. No. G-12-020=M-28-001 (General Pierce Bridge) Montague City Road over the Connecticut River

BIDS TO BE OPENED AND READ: TUESDAY, JUNE 16, 2020 @ 2:00 P.M. Transmitting changes to the Contract Documents as follows: RESPONSES TO CONTRACTOR QUESTIONS 1 page DRAWING REVISIONS Revised Plan Sheets #5, 15, 17, 26, 35, 36, 37 Please take note of the above, substitute the revised pages for the originals, and acknowledge Addendum No. 4 in your Expedite Proposal file before submitting your bid.

Very truly yours,

Eric M. Cardone, P.E. Acting Construction Contracts Engineer

JB c H. Bhatt, Project Manager

of 1

ADDENDUM NO. 4, JUNE 15, 2020

GREENFIELD-MONTAGUE Bridge Rehabilitation (Including Painting)

Br. No. G-12-020=M-28-001 (General Pierce Bridge) Montague City Road over the Connecticut River

Proposal No. 601186-111028 Question from L & L Painting Co., Inc. Dated 6/12/2020 @ 8:09 PM Question 37.) Can the DOT please expand on the extent of Cleaning and Painting of Steel for Item

No. 961.201. Is it safe for the Contractor to assume that all Steel below the existing Roadway Deck gets Cleaned and Painted. And that all Steel above the Roadway Deck does not require Cleaning and Painting other than Localized Steel Repair Areas.

Response 37.) All steel below the bridge deck shall be cleaned and painted, up to the top of the

lower chord gusset plates. All structural steel below that point shall be cleaned and painted; steel above that point only requires cleaning and painting if associated with a localized repair.

Question from Atlantic Bridge & Engineering Dated 6/15/2020 @ 9:05 AM Question 38.) The Addendum 3 Response to Question 31 indicated that the estimated quantity of open

holes to be filled with a bolt was estimated at approximately (300). Can you please confirm that this estimated quantity includes the (128) open holes in the existing Floor Beam Top Flanges after the removal of the existing Sidewalk Stringers (Ref. Q&A 36)?

Response 38.) Confirmed. The estimated number includes the referenced holes in the floorbeam

top flanges.

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