PW-670-210-003 Addendum 3.pdf

ADDENDUM NO. 3

May 24, 2021

STATE OF MARYLAND

DEPARTMENT OF GENERAL SERVICES

Facilities Engineering Division

PROJECT NO. PW-670-210-003

Replace Boiler

MSP Barrack W, McHenry

TO ALL PROSPECTIVE BIDDERS: This Addendum is issued to clarify, add to, delete from, correct and/or change the Invitation to Bid (ITB) documents to the extent indicated and is hereby made a part of the said (ITB) documents of which the contract will be based. By submitting a bid for this solicitation you acknowledge receipt of this addendum. All questions must be in writing and addressed to Christine Stenhouse.

This Addendum includes the following:

Detail on Pad for Propane Tanks and Installation of Conduit Detail on Boilers (Documents Attached) Answers to RFI’s

Detail on Pad for Propane Tanks

1. There will be 3 – 1,000 gallon propane tanks installed at the back of the Barracks (Southwest corner). The tanks will be installed by the propane company. The Contractor will need to do the following;

a. Install a stone pad for the tanks.

1) The pad will be roughly 16’ x 16’.

2) The gravel base will be a min. of 4” of #57 stone.

3) Weed block will need to be laid down before stone is installed.

b. The Contractor will not need to compact the sub-grade. This will already be done.

2. Bollards are to be installed for safety reasons around the pad (detail of bollard is attached – using 6” option).

1) 8 bollards are to be installed, per NFPA code.

2) Exposed area of the bollard is to be painted safety yellow.

3. The propane company will run the fuel lines from the pad to the regulator on the outside of the facility.

The Contractor will need to do the following:

1) Trench the area from the pad to the outside corner of the facility (Southwest corner), 18“ deep.

2) Install 3” conduit.

3) Back fill, compact and install grass seed on disturbed areas.

4) The trench will need to go across an existing concrete sidewalk. The Contractor will need to replace any damaged area of the sidewalk with new concrete.

Detail on Boilers (Documents Attached)

1. Contractor is to install 2 boilers and all necessary components per the attached boiler cut sheets and option #2 of the piping diagram.

2. This is to be a turn-key installation.

RFI

1. Question - We would like to quote this work using an NTI Propane High Efficiency Boiler. Is this acceptable?

Answer – The Contractor may base his proposal using a different boiler manufacturer than the 1 that is spec’d out in the attached documents. However, the Contractor needs to keep in mind that it is an approved equal meaning it needs to meet all of the criteria that’s listed for the spec’d boiler and the Using Agency has the right not to accept an alternative boiler.

All other terms, conditions and specifications remain unchanged.

END OF ADDENDUM NO. 3

Issued by:

Department of General Services State of Maryland

301 West Preston St.

Baltimore, MD 21201

Frank Pullifrone – Project Manager Facilities Engineering Division