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0 6TH ST AND CONSTITUTION AVE NW, WASHINGTON, DC 20004

Neighborhood activity

Issued

What the public record says

Historic and CFA The purpose of the project is to perform geotechnical investigations to enable the design and construction of a planned building cooling system for the West Building of the National Gallery of Arts National Mall campus. This design includes four air-cooled chillers in the southwest moat surrounding the West Building, and two chillers in the northwest moat placed in a cast-in-place concrete vault. The investigations are planned to consist of drilling six (6) soil borings to anticipated depths of about 25 to 60 ft below ground surface.

Permit typeCONSTRUCTION
Declared job valueNot supplied
Permit recordSB2700020
Related permitsSB2700020

Recorded milestones

  1. Permit issued

Milestones apply to the recorded permits. They do not confirm that an entire development is complete or a business is open. No opening date is inferred.

Sources & confidence

Category labels may be inferred from official fields and scope descriptions. Related permits are grouped only where an explicit source project identifier is available. We do not combine unrelated permits merely because they share an address.

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Retrieved 11/9/2026, 7:40:20 PM. Latest successful source retrieval.

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