# Chappelle Mechanical Services LLC

Canonical: https://abierto.us/vendors/chappelle-mechanical-services-llc-ns1xgb16fnf3

- UEI: NS1XGB16FNF3
- CAGE: 850W0
- Location: Lorton, VA
- Awards in window: 29 (39 transactions), $3,640,982 obligated, January 23, 2026 to September 11, 2026

## Awarding agencies

- National Institutes of Health: 29 awards, $3,640,982

## Industries

- 238220 Plumbing, Heating, and Air-Conditioning Contractors: $2,993,867
- 236220 Commercial and Institutional Building Construction: $647,115

## Competition

- Competed Under SAP: 15 awards
- Not Competed Under SAP: 13 awards

## Largest awards

- 75N99026F00008 (bpa call): $336,992, NIH a E Construction. C202451 Replace Water Heaters and Related Equipment Located in the B2 Level Mer, BLDG 49. https://www.usaspending.gov/award/CONT_AWD_75N99026F00008_7529_75N99026A00007_7529/
- 75N98026F00013 (bpa call): $312,361, National Institutes of Health Olao. C202059 - Repurpose of Air Handler Unit, Building 12B. https://www.usaspending.gov/award/CONT_AWD_75N98026F00013_7529_75N99022A00016_7529/
- 75N99026F00004 (bpa call): $299,688, NIH a E Construction. M31897374 - Steam Station Repairs, Building 10. https://www.usaspending.gov/award/CONT_AWD_75N99026F00004_7529_75N99022A00016_7529/
- 75N98026F00016 (bpa call): $294,118, National Institutes of Health Olao. H-Wing HVAC and Bas Controls Upgrade. https://www.usaspending.gov/award/CONT_AWD_75N98026F00016_7529_75N99022A00016_7529/
- 75N98026F00012 (bpa call): $291,750, National Institutes of Health Olao. NIH CRC Steam System Repairs & Upgrades, Building 10-65. https://www.usaspending.gov/award/CONT_AWD_75N98026F00012_7529_75N99022A00016_7529/
- 75N98026F00009 (bpa call): $250,000, National Institutes of Health Olao. C202131-Provide Repair to Equipment and Utilities and to Have a 24HR Support-Michael Shaw. https://www.usaspending.gov/award/CONT_AWD_75N98026F00009_7529_75N99022A00016_7529/
- 75N98026F00011 (bpa call): $231,457, National Institutes of Health Olao. NIH CRC Steam System Repairs & Upgrades, Building 10-33. https://www.usaspending.gov/award/CONT_AWD_75N98026F00011_7529_75N99022A00016_7529/
- 75N99025F00017 (bpa call): $183,423, NIH a E Construction. Repair and Service 7 Dehumidifier Systems, Building 38. https://www.usaspending.gov/award/CONT_AWD_75N99025F00017_7529_75N99022A00016_7529/
- 75N98026F00015 (bpa call): $176,183, National Institutes of Health Olao. C200144 - B50 Absl-3 Survey & Repairs for Next Annual HVAC and Facility Verification - Make Necessary Repairs to AHU-9 to Support Research Activities in the Absl-3 Suite in Bldg. 50 - William Lupichuk. https://www.usaspending.gov/award/CONT_AWD_75N98026F00015_7529_75N99022A00016_7529/
- 75N98026F00007 (bpa call): $120,908, National Institutes of Health Olao. C202098 - Lab 3E41 AHU-16 Ahu Replacement, Building 13. https://www.usaspending.gov/award/CONT_AWD_75N98026F00007_7529_75N99022A00016_7529/
- 75N99026F00006 (bpa call): $120,688, NIH a E Construction. C202273 Replace Existing Heat Transfer, Bldg. 14B RM B14B. https://www.usaspending.gov/award/CONT_AWD_75N99026F00006_7529_75N99022A00016_7529/
- 75N99026F00001 (bpa call): $119,564, NIH a E Construction. C202348 - Domestic Water System Upgrade for Cage Wash, Building 49. https://www.usaspending.gov/award/CONT_AWD_75N99026F00001_7529_75N99026A00007_7529/
- 75N98026F00002 (bpa call): $100,520, National Institutes of Health Olao. C201488 Animal Cage Wash Installation in Basement Room 111, Building 8. https://www.usaspending.gov/award/CONT_AWD_75N98026F00002_7529_75N99022A00016_7529/
- 75N98026F00006 (bpa call): $88,788, National Institutes of Health Olao. C201831 - Replace Chilled Water Coils, Building 14B. https://www.usaspending.gov/award/CONT_AWD_75N98026F00006_7529_75N99022A00016_7529/
- 75N99025F00013 (bpa call): $76,018, NIH a E Construction. Parts and Labor for Annual Boiler Plant Outage - Michael Shaw JR. https://www.usaspending.gov/award/CONT_AWD_75N99025F00013_7529_75N99022A00016_7529/
- 75N99026F00004 (bpa call): $73,483, NIH a E Construction. C202094 - BLDG 28A Replace Existing Exhaust Fans 2 and 3. https://www.usaspending.gov/award/CONT_AWD_75N99026F00004_7529_75N99026A00007_7529/
- 75N98026F00003 (bpa call): $71,669, National Institutes of Health Olao. Replace and Service VFD Units. https://www.usaspending.gov/award/CONT_AWD_75N98026F00003_7529_75N99022A00016_7529/
- 75N98026F00010 (bpa call): $68,643, National Institutes of Health Olao. Installation of Two Ducted Diffusers with Dampers. https://www.usaspending.gov/award/CONT_AWD_75N98026F00010_7529_75N99022A00016_7529/
- 75N98026F00001 (bpa call): $64,500, National Institutes of Health Olao. Replace and Service Fan Coil Units. https://www.usaspending.gov/award/CONT_AWD_75N98026F00001_7529_75N99022A00016_7529/
- 75N98026F00004 (bpa call): $57,452, National Institutes of Health Olao. Repair Reheat System, B1N264, Building 10. https://www.usaspending.gov/award/CONT_AWD_75N98026F00004_7529_75N99022A00016_7529/
- 75N98026F00017 (bpa call): $53,972, National Institutes of Health Olao. C202191 Nimh Building 10 Install Fan Coil Units in Labs for Supplemental Cooling. https://www.usaspending.gov/award/CONT_AWD_75N98026F00017_7529_75N99022A00016_7529/
- 75N99026F00003 (bpa call): $52,236, NIH a E Construction. C202297 - Perform Preventive Maintenance on Ahu1a and 1B, Building 14G. https://www.usaspending.gov/award/CONT_AWD_75N99026F00003_7529_75N99026A00007_7529/
- 75N98026F00005 (bpa call): $42,516, National Institutes of Health Olao. C201982 - Sewage Ejector Pump Replacement, Building 35. https://www.usaspending.gov/award/CONT_AWD_75N98026F00005_7529_75N99022A00016_7529/
- 75N99026F00002 (bpa call): $39,600, NIH a E Construction. C201904 - HVAC Unit Replacement, Building 67. https://www.usaspending.gov/award/CONT_AWD_75N99026F00002_7529_75N99026A00007_7529/
- 75N98026F00014 (bpa call): $36,188, National Institutes of Health Olao. C201898 - Replace Steam Preheat Coils in AHU-7 and AHU-16, Building 41. https://www.usaspending.gov/award/CONT_AWD_75N98026F00014_7529_75N99022A00016_7529/
- 75N98026F00008 (bpa call): $29,137, National Institutes of Health Olao. C201969 - Drain Pipe Leak Repair, Building 14B. https://www.usaspending.gov/award/CONT_AWD_75N98026F00008_7529_75N99022A00016_7529/
- 75N99026F00009 (bpa call): $25,240, NIH a E Construction. Service Sewar Injector Pit.. https://www.usaspending.gov/award/CONT_AWD_75N99026F00009_7529_75N99026A00007_7529/
- 75N99026F00003 (bpa call): $23,888, NIH a E Construction. M32868461 Chilled Water Pipe Replacement for Building 1.. https://www.usaspending.gov/award/CONT_AWD_75N99026F00003_7529_75N99022A00016_7529/
- 75N99026A00007: $0, NIH a E Construction. NIH General Construction (Handyman Services) Blanket Purchase Agreement Small Business SET-ASIDE. https://www.usaspending.gov/award/CONT_IDV_75N99026A00007_7529/

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Source: USAspending.gov award data, keyed by UEI. Obligations in the window only. Cite https://abierto.us/vendors/chappelle-mechanical-services-llc-ns1xgb16fnf3.