Attachment J-1502000-27 Building Drainage Systems.xlsx

This is a facilities asset inventory spreadsheet documenting building drainage systems across multiple Naval Research Laboratory (NRL) locations in Washington, DC. The attachment catalogs downspouts, gutters, and roof drains organized by asset number, location, system classification, quantity (measured in linear feet), and installation date. The inventory includes 127 distinct drainage system assets distributed across numerous NRL buildings and annexes (NRL-1 through NRL-271, plus designated locations like NRL-A11 through NRL-A69).

The drainage systems are classified under the Uniformat system as either B3010610 (Gutters), B3010620 (Downspouts), or D2040210 (Roof Drains), with quantities ranging from 6 linear feet to 1,510 linear feet per asset. Installation dates span from 1940 to 2017, with the majority of systems installed between 1985 and 2012, indicating varying ages of infrastructure. Notable details include multiple systems specified as stainless steel (NRL-71, NRL-A49) and several downspout systems equipped with scuppers. This comprehensive asset list appears to support the Naval Research Laboratory Facility Support Services (FSS) contract (N4008027R1001), a small business set-aside with an eight-year performance period beginning February 17, 2028, which requires contractors to manage facility maintenance, ground structures, and installed equipment systems across NRL properties.