S02_B6 HVAC Roof Pre-Bid RFI Responses FINAL (0.7.26.22).docx

631-16-020 Renovate B6 HVAC and Roof Pre-Bid RFI Responses 07/26/2022

1. On Drawing Sheet MH-606, the Automated Glycol Fill System Schedule specifies John Wood Model JWOP-53-030 as the basis of design. In communicating with the MFR, this model does not match the specifications scheduled. John Wood model JWOP-53-030 is a 30 gallon unit with a 1/2 HP pump. 115 GPM in Note 2 is not accurate according to the MFR. Please advise if this schedule will be revised.

Response: The automated glycol fill station schedule on drawing 6-MH-606 has been updated to include the appropriate values and notes for the unit specified, refer to the attached sketch MSK-001 for the updated schedule.

1. Detail 13/6-AS-501 calls for new tile on (assumed new) tile backer for the Washrooms.

1. Please clarify if new tile backer will be installed at existing walls to remain within all the restrooms, or will the tile be installed directly on the existing wall finish (plaster??)?

1. If new tile backer is intended on existing partitions, will the existing (plaster?) be removed for the new tile backer?

Response to 2 a. & b.: In all washrooms where tile is removed, remove tile down to existing substrate. Where substrate is plaster, repair the existing plaster if practical or replace plaster with tile backer as indicated on note 8 on AS 101 and AS 102. Where substrate is existing tile backer or drywall, remove existing backer to substrate and replace with new.

Note 8 should be indicated in Room 102 on AS 101. On 3/AS 102, the designation indicating Note 14 should be changed to Note 8.

1. Detail 13/6-AS-501 calls for (assumed new) Type X GWB.

2. Please confirm NEW GWB will only be installed on NEW partitions within all the restrooms.

2. And all existing wall finishes will remain on existing partitions, above the wall tile.

Response to 3 a. & b.: New GWB should be installed on new partitions. Existing walls finishes may remain on existing partitions but must be repaired/refinished or replaced as necessary depending on the level of damage to the surface during demolition. If the existing GWB is used as a tile backer, then remove completely with the tile and replace with new tile backer.

1. There are conflicts between the RCP and Finish Schedule. Please clarify these:

3. Room 112 – RCP = existing GWB; FS = new GWB

Response: The existing ceiling height is approximately 8’-2”. There is new ductwork scheduled to be installed above the existing ceiling. Cut and patch existing GWB ceiling to accommodate installation of new ductwork.

3. Room 203 – RCP = existing GWB; FS = new GWB

Response: New ductwork traverses this room. Existing GWB ceiling appears to be installed tight to structure. New duct can be run exposed and painted. Run new ductwork tight to ceiling.

3. Room 225 – RCP = existing GWB; FS = new ACT

Response: Existing GWB ceiling to remain and be painted.

5) On the drawings there shows opening 113A, that is not on the door schedule. Do we need to provide anything for that opening?

Response: there should be a door and new frame provided matching the door NX109B along with same hardware.

6) Throughout the interior of the building, there is a significant amount of furniture and loose items belonging to the VA that have been left after the occupants moved out. Will the VA move these items out prior to the contractor mobilizing, or will the contractor have responsibility in moving any of these items?

Response: VA will be responsible for removing furniture and loose items prior to contractor mobilization.

7) At the southwest exterior corner of the building, there is an existing tree that is overgrown, touching the building and roof. Will the VA trim this tree back prior to the contractor mobilizing, or will the contractor be responsible for trimming the tree as needed to allow for completion of new work?

Response: The Contractor shall employ an Arborist who is a registered as a Consulting Arborist® (RCA) with American Society of Consulting Arborists or an ISA board certified Master Arborist, which details the following information for all trees to remain within the area designated on the drawings as the tree and plant protection area which are all areas identified under the Limits of Construction. Submit aforementioned individual’s qualifications for approval. For each applicable person expected to work on the project, provide copies of the qualifications and experience of the consulting arborist, for review prior to the start of work. All pruning, branch tie back, tree removal, root pruning, and fertilizing required by this section shall be performed by or under the direct supervision of an ISA certified Arborist. Submit aforementioned individual’s qualifications for approval as part of the Contractor’s submittal process.

8) Is there a lead, asbestos or hazardous material survey that was completed for this building or for this project?

Response: See attached. RPF Environmental Report dated October 1, 2016.

9) Drawing 6-ESD-102 references note to view Drawing ES-101. Please advise if drawing ES-101 will be provided.

Response: Reference note should reference see 6-ESL-101 and 6-ESL-102.

10) Lighting Control Panels LCP1 & LCP2 are shown for each floor. Please provide a mounting location (rooms, corridor etc) for the panels.

Response: Locate panels in electric rooms 108E (1st floor) and room 207E (2nd floor).

11) Please provide clarification for Section 26 05 11 Requirement for Electrical Installations: G. 2. Provide power and control wiring for all power actuated doors and operators and card readers. Please provide locations.

Please advise if the contractor’s scope work is to stub up only? No spec information on these products.

Response: The doors are X101B and X101A have existing electrical operators that shall be refed for the new electrical panel E6-EB – provide a separate 20A, 120v, circuit and label panel directory, ¾”c w 2#12, 1#12G. Existing operators and controllers shall remain.

12) Please provide clarification for Section 26 05 11 Requirement for Electrical Installations: G. 3. Provide power and control wiring for access controls equipment, intercom system. Please provide locations. Please advise if the contractor’s scope work is to stub up only? No spec information on these products.

Response: Refer to the paragraph 1.3 ‘Statement Of Bid Items’ in spec section 01 00 00 General Requirements. In this paragraph it provides direction on what to provide for data outlets and card readers/cameras.

13) Drawings 6-ESP-203 Key notes 2 & amp; 3 typical office requirements for data outlets give detail on what is required per office layout. There are no other data requirements listed for data outlets. Is the contractor to run Cat 6A cable from the new data outlets and leave the cable end raw in T.R.

room?

Response: Both ends of the Cat 6A cables shall be terminated, tested and labeled.

14) Please confirm the new telecom system Server cabinet equipment, racks, frames and enclosure, Cable Management and ladder rack, Copper Cable, Fiber Backbone cabling are to be provided and installed by others.

Drawing 6-ESP-203 T.R. Room detail shows PIV enabled two-factor keypad, fixed camera, and card reader. Please advise if the contractor’s scope of work to stub up only with equipment and wiring provided by others.

Response: The server rack(s) and equipment, frames, and enclosure are by others. Copper cable, Fiber Backbone cabling are to be provided and installed by others. The Cat 6A from TR rooms to data drops in all offices/spaces are to be provided, installed, tested and labled under this contract. The cable tray (18”) in the TR rooms shall be provided under this contract and the 4” conduit stubs (provide 6 each per TR room) minimum as well as the lighting, lighting controls, normal and EM panels and ground bus/ground cable. Provide PIV enabled two-factor keypad, fixed camera, and card reader and coordinate those requirements with the COR.

15) Please provide clarification for spec Section 28 05 00 Electronic Safety and Security. 1.1 Description B: Furnish and install fully functional electronic safety and security cabling system, equipment, and approved accessories. Please advise if security drawings will be provided and /or if Section 28 05 00 is not applicable to this project.

Response: Section 28 05 00 applies to this contract. Refer to paragraph 1.3 ‘Statement Of Bid Items’ in spec section 01 00 00 General Requirements. In this paragraph it provides direction on what to provide for data outlets and card readers/cameras are required.

16) 2/6-AS-102 renovation shows (2) office 102 rooms. Finish schedule 6-AS-601 calls out Room 102 as a washroom with tile finishes. Please clarify?

Response: The room numbering on drawing 6-AS-101 is to be followed and matches the finish schedule. The room numbering shown on detail 2/6-AS401 is incorrect.

17) 2/6-AS-102 renovation also shows 101 as washroom. There is no 101 in the finish schedule.

Response: The room numbering on drawing 6-AS-101 is to be followed and matches the finish schedule. The room numbering shown on detail 2/6-AS401 is incorrect.

18) Do the existing wall grab-rails and bumpers in the corridors remain? Do new wall areas receive new bumpers and rails?

Response: Refer to note 25 on Drawing 6/AS-001 which says:

This includes modifying existing handrails and bumpers to extend over locations where new walls create gaps.

19) Please provide a specification and basis of design for the terrazzo stair treads and intermediate landings.

Response: See attached.

20) On drawing As.101 (14). Drawing: 6-AS102 (14) – Security screens. Q. is there only two windows receiving security screens as shown on drawing 6-AS102?

Response: Yes. There are only two security screens required in TR Room 216.

21) Drawing 6As-102 -Detail cut -3/4 AS -102 (14) security screens – 3 locations? Please verify.

Response: The (14) designation should be (8). There are only two security screens required in TR Room 216. Refer to response to question 2 above.

22) Specification Section 10 51 13 describes metal lockers. However, the only mention of lockers I could find within the drawings was Keynote 7 on drawings 6-AS-101/2. Keynote 7 only describes HPDE lockers not metal lockers, please clarify.

Response: There are 4 HDPE lockers required per note 7. These are designated to house the humidifiers – 2 on the first floor in rooms 121 and 113 and in rooms 215 and 217 on the second floor. Please note that the location of the humidifier in room 217 should be located per the architectural drawings. The location shown on MHP – 108 is incorrect.

The A/E defers to the VA to determine if metal lockers are required for the staff lounge.

VA Response: metal lockers in the staff lounge will be provided by the VA

23) There is an existing suspended plaster ceiling above the existing ACT ceiling throughout the building. Please confirm if this plaster ceiling system should remain in place or be removed as part of the demolition scope.

Response: The existing plater ceiling and all associated framing and suspension system is to be removed in its entirety since it is not structural.

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