9July2018_Adment.doc

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00010 - SOLICITATION CONTRACT FORM

The required response date/time has changed from 10-Jul-2018 02:00 PM to 17-Jul-2018 02:00 PM.

TABLE OF CONTENTS

The Table of Contents has changed from:

Exhibit/Attachment Table of Contents

to:

Exhibit/Attachment Table of Contents

The following have been added by full text:

RFIS RESPONSES

Responses to Industry Questions 1.

Will this project require a new air separator, expansion tanks, chemical feeder or pumps? It's unclear if those are existing and remain, or if they need to be added.

No, these equipment mentioned in here are to remain in place and to be reconnected with new piping as shown on the drawings.

2.

Will RSMeans estimate be required for this project?

RSMeans line item breakout is not required but the Government uses RSMeans for estimation cost.

3.

Will Commissioning be required?

No, Commissioning is not required but TAB is required for this project and need to be completed per DPW specs.

4.

Are boilers to remain where piping is demoed?

Yes, boiler to remain but all heating hot water piping need to be replaced with new and piped as showed on sheet M-502.

5.

If needed, will we be able to remove louvers at mechanical rooms for demo/ install? Can as-builts be provided for the louver area for review?

Yes, this is acceptable at no cost to the government if needed. It is the contractor responsibly to demo / install the equipment on the second floor. The government can provide as-builts for the louver area for review.

6.

Can we review brick/block drawings near louver (that will be removed) area to expand opening if needed?

The government can provide as-builts for the louver area for review.

7.

Will 3rd Party Commissioning Be required on this project. We see this in the specifications however it is not spelled out anywhere on the drawings to be done. Please advise.

Commissioning is not required for this project but TAB is required.

8.

Drawing C-101 calls for the 15 temporary units to be provided and the user will be responsible for installing. These units have to have be ducted to ceiling and condensate drains will have to be emptied on a daily bases (Possibly Multiple times as day). Please confirm the end user is going to take care of all items required for temp units once these are handed over to them and then will return all these items once the job is complete?

The users will only be responsible to plug in and relocate the units anywhere in the area. The rest is the contractor responsibility to maintain and make sure the units are operational.

9.

On the mechanical drawings, not all the differs/grills are notated to what CFM is required. Please confirm if the Government wants Grill to Grill Test and Balance? If so, please provide CFM for all grills on drawings.

Yes the government wants grill to grill Test and Balance. All the diffusers /grilles are noted to what CFM needed on the mech. Drawings. See sheet M-101 and M-102.

10.

If grill to grill balancing is required, please confirm dampers are installed at each diffuser or do we need to include install dampers at each grill? Please advise.

Yes, there are already dampers installed on each diffuser.

11.

Who will be responsible for taking the equipment that is staying existing off line and putting it back online?

The contractor is responsible for disconnecting and reconnecting the equipment that are staying in place.

12.

Are we expected to hold any warranty on the existing equipment staying in place?

Yes.

13.

The multizone unit going upstairs is a large unit in comparison to the available access to this mechanical room. Can you please provide information on what the elevator is capable of lifting or do we need to include making a hole in exterior wall upstairs and then filling back in with brick and block for demo and installation of the upstairs unit? 14,000 CFM Multizone unit is large and heavy even in sections.

It is the contractor responsibility to demo / install and drive upstairs all equipment required for this project. The government will provide as-builts for the bldg. the contractors shall provide a plan on how they are going to demo/install and take down/up equipment from upstairs mechanical room.

14.

Will the submittals for all existing equipment staying in place be provided for Test and Balance purposes from the Government?

Yes, see sheet M-601 for details AND AS BUILT ATTACHMENT.

15.

Detail on M-501 shows the connection for the make-up water connecting after the existing Backflow Preventer. Please confirm that we do not need to certify the existing backflow preventer for this project?

The contractor is not required to recertify the existing backflow preventer since they are checked and recertified every year or so.

16.

Can you please confirm that the existing chiller has a LON Card installed or does this need to be provided for the existing chiller?

Yes the existing chiller already has a Lon card installed and connected to UMCS.

17.

Does the Government have certain plugs we need to use for the Temporary units through the space or do we need to power to these units? With these being cooling/heat pump units, they have to have a 15 amp plug for just the unit only. Please confirm.

No, the government does not have certain plugs for the temp. Units to use in the bldg. It is the contractor responsibility to provide appropriate units and make sure that they are compatible with the existing electrical connection and can be installed in the building.

18.

Please confirm a DALT Test is not required on existing ductwork?

DALT test is not required on existing ductwork.

SECTION 00100 - BIDDING SCHEDULE/INSTRUCTIONS TO BIDDERS

The following have been modified:

52.252-3 ALTERATIONS IN SOLICITATION (APR 1984)

Portions of this solicitation are altered as follows:

Ammendment 01 - Responses to questions from industry and change to the bid opening date (17 July 2018, 2:00pm)

(End of Summary of Changes)