Construction Specifier

FEBRUARY 4, 2025

The Districts Stormwater Management Regulations stipulates construction sites achieve retention of the rainfall from a 1.2-inch inch rainfall event, which is the ninetieth (90 th ) percentile rainfall event for the District of Columbia, measured for a twenty-four (24)-hour rainfall event with a seventy-two (72)-hour antecedent dry period.

Green 52

Green Management District of Columbia Washington 52

Building Information Management

MAY 19, 2016

Fabrics labeled with the Underwriters Laboratories Inc., Public body” means any State of the United States, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, or any political subdivision, agency, or instrumentality of the foregoing.

Regulation 40

Regulation Puerto Rico Organization District of Columbia 40

Building Information Management

MAY 19, 2016

Fabrics labeled with the Underwriters Laboratories Inc., Public body” means any State of the United States, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, or any political subdivision, agency, or instrumentality of the foregoing.

Regulation 40

Regulation Puerto Rico Organization District of Columbia 40