36C24719Q0846-002.docx

FedBizOpps Amendment to a Previous Combined Solicitation

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* = Required Field FedBizOpps Amendment to a Previous Combined Solicitation Rev. March 2010 J Air Handler Filter Service AMENDMENT No. 01 __ SITE VISIT Q&As 29403-5799 36C24719Q0846 08-23-2019 N 238220 Department of Veterans Affairs Ralph H. Johnson VA Medical Center 109 Bee Street Charleston SC 29403-5799 John Norway, john.norway@va.gov See SOW Solicitation No. 36C247-19-Q-0846 Air Handler Filter Service WJB Dorn VA Medical Center Columbia, SC

FBO Amendment No. 01 SITE VISIT Q&A’s

Note: The Closing Date for this Requirement remains unchanged as COB on Friday, August 23, 2019.

QUESTION: Are the Pre-filters MERV 8 pleated?

ANSWER: Yes

QUESTION: On Bldg. 100 AHU 13 it shows 21” filters, are they bags? If so, efficiency?

ANSWER: AHU 13 is being torn out by Government, so don’t worry about that one.

QUESTION: What does MP, R, and H stand for? Efficiencies?

ANSWER: Minni pleat; rigid; HEPA

QUESTION: Is the Sterile OR HEPA efficiency different than that of other AHUs?

ANWER: No

QUESTION: Can you confirm that the pre-filters are standard capacity pleats or are they high capacity pleats?

ANSWER: High Capacity

QUESTION: Can you confirm that the 12” Final Filters are 95% efficiency?

ANSWER: 85% efficiency

QUESTION: On Bldg. 100 VAU-29 the Final Filters with the sizes 11.5, are they also HEPAs and the H was left off?

ANSWER: It is 11.5 actual size HEPA

QUESTION: There are 2” pleated filters listed in the final filter section (i.e.: Bldg. 100, AHU 17) what is the frequency of the changeout?

ANSWER: 6 Months

QUESTION: HEPA’s are specified as being on an annual frequency. What is the requested frequency of the Pocket bags, V-band, and R-Cell filters?

ANSWER: One a Year also

QUESTION: Do any served areas or AHU require special scheduling, timing, or after-hours work?

ANSWER: A/C16 weekends and 17, 24 early in the morning

QUESTION: Any special scheduling during cold months to disable smoke detectors on units with humidifiers? Anything else? Who disables the SD?

ANSWER: ECC Operators take out the detectors

QUESTION: Are the OR air handler / air handlers HEPA filters replaced on an annual basis with a test / certification included?

ANSWER: No just A/C16

QUESTION: Any on-site storage available? For how long?

ANSWER: None … maybe equipment rooms for a day or so but not a long time

QUESTION: If materials are stored in front of the filter sections who is responsible to move it for section access?

ANSWER: the government staff will clear anything away

QUESTION: Can we receive electronic copies of all AHU and EF filter schedules and filter sizes and quantities that are to be included that was handed out at the Site meeting:

ANSWER: Yes

QUESTION: How many pockets are required for bag filters?

ANSWER: Full size and half size. Please price V-Bank filters.

QUESTION: What efficiency is required for bag filters? We are assuming MERV 14, is this correct?

ANSWER: V Bank

QUESTION: Are the V-Cell filters 4 or 8?

ANSWER: 8

QUESTION: What efficiency is required for V-Cell Filters? We are assuming MERV 14, is this correct?

ANSWER: 85% V Bank

QUESTION: What is the minimum pleats per sq./ft required for the pleated filters?

ANSWER: Uncertain

QUESTION: What efficiency is required for R-Cell filters? We are assuming MERV 13

ANSWER: 85%

QUESTION: On the 4” MP Filters are you currently using die cut mini-pleats and do you want to continue?

ANSWER: Yes

Building 100 Air Handler lJnits

Handler

2-20x24x12

6-24x24xl2

AHU-4

AHU-5

3 West

Basement West 6-24x24x2 6-24x24xl2 4-24x24x2 16-20x24x2 6-24x24x2 6-24x24xl2 8-24x24xl2 H 4-12x24xl2 H 6-24x24x2 6-24x24x12

2-12x24x12

l-24x30xl2 H 4-20x25x2

4- l 2x24x4 MP

4-16x20x4 16-20x24x2 8-20x20x2

AHU-19 ECC 20-20x25x2 2-20x20x12 4-16x25x2 9-24x24xl2 4-20x24xl2

AHU-20 ECC 6-20x24x2 6-20x24x12

AHU-21 ECC 16-16x25x2 8-20x25x2

AHU-22 3 West 4-20x20x2 2-24x20x2

AHU-23 Penthouse 4-20x25x2 2-16x25x2

2-20x20x2 8-24x24x2 (Snorkel)

2- 23.375x23.375xl 1.5 2- 23.375xl l.375xl 1.5

AHU-30 1 North 3-24x24x2 3-24x24xl2 3-12x24x2 3-12x24x12

AHU-31 Penthouse 4-20x24x2 4-20x24x4 2-20x20x2 2-20x20x4 2-12x24x12 H 2-24x30x12 H

Building 100A Air Handler Units

2-12x24x2 8-24x24xl2 2-12x24x12

4-20x20x2

Building 103 Air Handler Units

3-l 2x24x2 3-24x24xl2 R 3-12x24xl2 R

Building 103A Air Handler Units

2-12x24x2 6-24x24xi2 R 2-12x24xl2 R

2-12x24x2 6-24x24xl2 R 2-12x24xl2 R

Building 106 Air Handler Units

AHU-9 Penthouse 2-20x20x2

Building 9 Air Handler Units

Building 9A Air Handler Units

AHU-1 Basement 4-16x20x2 2-20x25x2

3-24x24x29 3-12x24x29

Page 1 of

Building 5 Air Handler Units

RTU-1 Roof Bldg. 120

Building 120 Roof Top Unit

Building 21 Roof Top Units

RTU-1 Roof Bldg. 21 9-20x24x2

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