FAQ Response Package 20231129.pdf

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HOMOGENEOUS MATERIAL (AREA) SAMPLING/ANALYTICAL SUMMARY

NIST GB - Building 226

MATERIAL CODE:

DS03

ACM STATUS:

ND

MATERIAL DESCRIPTION:

Gray pliable duct sealant

MATERIAL TYPE:

M

FRIABILITY:

NF II

CLASSIFICATION

3 LF per each

COMMENTS:

APPROXIMATE TOTAL QUANTITY

305 EA

SAMPLE # ROOM/LOC SAMPLE LOCATION DESCRIPTION ANALYTICAL SUMMARY

Method Material / Layer Asbestos % and TypeResult

DS03-01 A310-A on duct, 1' from east wall, 8' from floor NDPLM 0.00%

DS03-02 A356 Duct; 7'F, 1'E, 2'N NDPLM 0.00%

DS03-03 MR-28 5'U, 13'W, 16'N NDPLM 0.00%

DS04

ACM

Hard tan duct sealant associated caulk gun applied with squared HVAC duct

5 lf per each

26 EA

DS04-01 B232 Duct; 9'F, 18'N, 12'W ACMPLM 4.00% Chrysotile

DS04-02 A120 Duct; 13'F, 2'W, 9'S NDPLM 0.00%

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

Date Printed: 7/19/2023

DS05

Red duct sealant associated with duct

2 LF each

641 EA

DS05-01 SCB105 Duct; 1'F, 1'N, 1'W ACMPLM 2.00% Chrysotile

DS05-02 MR-31 7'F, 8'E, 15'N on duct ACMPLM 6.00% Chrysotile

DS06

Dark brown pliable duct sealant

80 LF

DS06-01 SCB302 1'F, 0'N, 3'E ACMPLM 3.00% Chrysotile

DS06-02 JM34 Duct; 0'S, 12'W,4'F NDPLM 0.00%

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

DS05

Red duct sealant associated with duct

2 LF each

641 EA

DS05-01 SCB105 Duct; 1'F, 1'N, 1'W ACMPLM 2.00% Chrysotile

DS05-02 MR-31 7'F, 8'E, 15'N on duct ACMPLM 6.00% Chrysotile

DS06

Dark brown pliable duct sealant

80 LF

DS06-01 SCB302 1'F, 0'N, 3'E ACMPLM 3.00% Chrysotile

DS06-02 JM34 Duct; 0'S, 12'W,4'F NDPLM 0.00%

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

DT01

White canvas duct wrap with white sealant and foil backing associated with lab fume hood duct tape

62472 SF

DT01-01 B309-A Duct 8' from floor 3' from N, 3' from E foil backing NDPLM 0.00% wrap NDPLM 0.00%

DT01-02 B345 3' above floor, N wall, 19' E foil backing NDPLM 0.00%

DT02

Older cloth duct wrap with foil and yellow mastic

70 SF

DT02-01 B232 Duct, 10' floor, 3' N, 11' W foil with mastic NDPLM 0.00%

DT02-02 B232 8'F, 2'N, 7'W NDPLM 0.00%

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

DT03

White duct tape associated with mechanical room

360 LF

DT03-01 MR-W 6'F, 20'S, 9'W NDPLM 0.00%

DT03-02 DJ34 6'F,14'N, 1'W

EJM01

Gray expansion joint material

247 LF

EJM01-01 XS2 S wall, 4'F, 0'E NDPLM 0.00%

EJM01-02 XS4 S wall, 4'F, 2'U NDPLM 0.00%

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

MA04

Brown hard duct pin adhesive associated with DT01

61930 SF

MA04-01 B232 10'Floor, 3'N, 10'W ACMPLM 10.00% Chrysotile

MA05

Dark brown remnant duct pin adhesive

14 EA

MA05-01 B232 Duct; 16'N, 12'W ACMPLM 20.00% Chrysotile

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

PF01

PACM

Pipe fittings

T

F

3496 EA

PF02

Hard mag pipe fitting/hanger assoc. 3' wide air o cell insulation

148 SF

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

PH01

Hard pipe hanger associated with PI01

111 EA

PI01

Cloth wrapped over fiberglass pipe insulation with black tar mastic

20419 LF

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

PI02

Hard mag pre-formed pipe insulation

1356 LF

PI03

3' wide Aire-o-cell insulation

798 SF

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

PS01

White painted on pipe sealant associated with newer fiberglass pipe insulation

871 EA

PS01-01 A316-1 Pipe 6' from floor, 3' from N, 3' from E NDPLM 0.00%

PS01-02 B232-A 6'N, 4'E, 2' from floor NDPLM 0.00%

PS02

White painted end associated with Hard foam non suspect insulation

143 EA

PS02-01 MR-31 5'U, 8'S, 6'W NDPLM 0.00%

PS02-02 MR-W 6'u, 8's, 6'w NDPLM 0.00%

MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M=Miscellaneous, FRIABILITY: F= Friable, NF I = Non-Friable Category I, NF II = Non-Friable Category I METHOD: NAA= Not Analyzed – Assumed, NAPS=Not Analyzed - Positive Stop, PLM= Polarized Light Microscopy - Visual Estimate, Point Count= Polarized Light Microscopy - Point Count Method, RESULT: ND = None Detected (No Asbestos Detected), TR/TR-1% = (< or = 1% Asbestos Content), LOCATION: N=North, S=South, E=East, W=West, f=from, ff= feet from MATERIAL TYPE: S=Surfacing, T=Thermal System Insulation, M= Misc Material, MATERIAL FRIABILITY: F=Friable, NF I = Category I Non-Friable, NF II = Category II Non-Friable QUANTITY: SF=Square Feet, LF=Linear Feet, EA=Each

MATERIAL INVENTORY SUMMARY WITH CLASSIFICATIONS

Building 226

Room ID

DJ25

Description

Mechanical Room

North/South Wall Length

East/West Wall Length Height

58 60 12

No Suspect Materials Found.

SACM_ID Material_Description Location ACM Determination

DS05 Red duct sealant associated with duct ‐ Other ACM

DT01 White canvas duct wrap with white sealant and foil backing associated with lab fume hood duct tape

‐ Other ND

DT03 White duct tape associated with mechanical room ‐ Other ND

MA04 Brown hard duct pin adhesive associated with DT01 ‐ Other ACM

PF01 Pipe fittings ‐ Other PACM

PF02 Hard mag pipe fitting/hanger assoc. 3' wide air o cell insulation ‐ Other PACM

PI01 Cloth wrapped over fiberglass pipe insulation with black tar mastic ‐ Other PACM

PI03 3' wide Aire‐o‐cell insulation ‐ Other PACM

PS01 White painted on pipe sealant associated with newer fiberglass pipe insulation

PS02 White painted end associated with Hard foam non suspect insulation

Page 179 of 195Date Printed: 7/19/2023

MATERIAL INVENTORY SUMMARY WITH CLASSIFICATIONS

Building 226

Room ID

DJ28

Description

Mechanical Room

North/South Wall Length

East/West Wall Length Height

46 60 12

No Suspect Materials Found.

SACM_ID Material_Description Location ACM Determination

DS03 Gray pliable duct sealant ‐ Other ND

DS05 Red duct sealant associated with duct ‐ Other ACM

DT01 White canvas duct wrap with white sealant and foil backing associated with lab fume hood duct tape

DT03 White duct tape associated with mechanical room ‐ Other ND

MA04 Brown hard duct pin adhesive associated with DT01 ‐ Other ACM

PF01 Pipe fittings ‐ Other PACM

PF02 Hard mag pipe fitting/hanger assoc. 3' wide air o cell insulation ‐ Other PACM

PI01 Cloth wrapped over fiberglass pipe insulation with black tar mastic ‐ Other PACM

PI03 3' wide Aire‐o‐cell insulation ‐ Other PACM

PS01 White painted on pipe sealant associated with newer fiberglass pipe insulation

PS02 White painted end associated with Hard foam non suspect insulation

Page 180 of 195Date Printed: 7/19/2023

General:

1. Are there noise restric�ons for work in this space?

All work over 80 dBA measured at 15 feet shall occur a�er normal work hours.

Contractor shall have a meter on hand to measure dBA. Reference GUIDELINES FOR

OFPM CONTRACTORS AND A/E FIRMS PERFORMING SITE INVESTIGATIONS AND

FIELDWORK (including construc�on) AT THE NATIONAL INSTITUTE OF STANDARDS AND

TECHNOLOGY.

2. We assume all work can be completed during normal business hours. If off hours is required, what is the process for base access?

Outages and Noise limits are some of the Out of Hours normal hours ac�ves which is to be coordinated COR. All contractor’s and subs shall obtain Green badges.

3. Curently there are two access points to the work area, (qty:1) general use elevator and an egreess stairwell. Are we allowed to unitize both access points to deliver/remove equipment and material. Please advise.

Both points of access can be used. The elevator and stairway are for public use. At no time should the paths be blocked. The elevator use is limited by the load capacity and cab size to move materials.

4. Is the space considered “confined space” and will need a confined space permit.

Confined spaces are label as such and shall follow the GUIDELINES FOR OFPM

CONTRACTORS AND A/E FIRMS PERFORMING SITE INVESTIGATIONS AND FIELDWORK

(including construc�on) AT THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY. The contractor’s safety plan shall evaluate the ac�ves for risk if the condi�ons exist.

5. The drawings specify on Sheet 226-438/ Phasing Notes: CONTRACTOR SHALL

COORDINATE WITH THE NIST COR FOR APPROPRIATE PHASING OF CONSTRUCTION,

SHUTDOWN REQUIREMENTS, AND TEMPORARY EQUIPMENT, TO ENSURE THE FACILITY

FUNCTIONS AND OPERATIONS. CONTRACTOR SHALL ONLY DEMOLISH ONE AIR

HANDLER AT A TIME AND SHALL USE THE OLD AIR HANDLERS AS A GUIDE FOR THE

INSTALLATION OF THE NEW AHUs. ONCE NIST IS SATISFIED WITH THE FIRST NEW AHU

INSTALLATION, THEN THE CONTRACTOR SHALL DEMOLISH THE REMAINING TWO (2)

AHUs. During the site visit, there were men�on of the poten�al that all AHUs would be demolished at one �me. How is this project to be phased? One unit at a �me, or all three at once? Please advise.

The units are not currently in service. The contractor may and should demolish all units, then reinstall all units in a single phase.

6. Are we allowed to u�lize the roof to stage the AHUs. We will set AHUs on the roof and bring them down the egress stairwell into our workspace. Please advise if this approach is approved.

The method may be approved pending COR approval of final plan. A better method may be utilizing the attic elevator.

7. Document entiteled NIST B226 Replace HVAC - 100_ Submission Specs incldues specification section 01000 Unit Quantity Work Items, it appears that this specificatison section is not applicable to this project. Please advise.

The specification does not apply but, the bid breakdown with proposal shall show breakdown of material and labor to make up costs.

- Demoli�on & Abatement:

9. NIST will test items suspected to contain hazardous material. We request that NIST test samples are taken from all the insula�on at each AHU. We believe the lines connected to the AHUs are wrapped in asbestos-containing insula�on. Please provide the results from the tes�ng to ensure we capture all the demoli�on/abatement SOW in our bid proposal.

See the attached material types and testing reports of material in the AHUs location.

NIST’s IH can test additional materials during construction before removing if not contained in the report.

- Mechanical:

10. A�er review of all the solicita�on documents received, it appears that the duct cleaning scope of work is not shown. Please confirm if duct cleaning is to be included in the base contract scope of work. If so, please provide the drawing and specifica�ons which details the extent of the duct cleaning scope of work.

The ductwork for these units go to the third floor labs under the units. See Drawings Original drawing. The cleaning shall follow standard The National Air Duct Cleaners Association (NADCA), 2021 edition.

11. The piping systems appear not to have proper isola�on valves to facilitate demo. Can the en�re system be shut down or will outages be needed to add isola�on valves?

Outage and isola�on valves will be required to isolate from the building. Isola�on valves are a part of the scope on drawings.

12. There are exis�ng drain pans. Are these to be reused or replaced?

Provide New Drain Pans.

13. Exis�ng piping appears to be steel pipe. The drawings call to match exis�ng. Can copper pipe be used in lieu of steel? Please advise.

Follow the requirements of the drawings and specifica�ons.

14. Can we use propress piping on these systems?

No

- Electrical:

16. Spec sec�on 260533-3.1.A.3 states that raceways in the following loca�ons shall be

Rigid steel conduit:

a. Loading Dock.

b. Corridors used for traffic of mechanized carts, forkli�s, and pallet-handling units.

c. Mechanical rooms.

Our team has performed work in mul�ple NIST buildings in areas considered mechanical rooms where the raceways were EMT. Can NIST verify whether they will accept EMT for this project in the A�c of B226, or if Rigid steel conduit will be required?

Submit bid as per specifica�ons. Provide bid breakdown on the rigid steel breakdown if requirement is changed in the future via a credit modifica�on.

17. Drawing 226-447 shows P-13A being fed by a 30A non-fused bus duct switch, while the Detail #2 Par�al One-Line Diagram on drawing 226-448 shows all three pumps being fed from fusible 30A bus duct switches. These are likely to be long lead �me items. Can NIST please clarify whether the switch is intended to be fused, or not?”

Both the bus switches and combina�on motor starter disconnects are fused.