PM&I: Catalog of Bridge, Deck, Building, Subway and Median Drains: R-3921-V1

PACIFIC MARINE & INDUSTRIAL

Engineering Department Email:

Bridge, Deck, Building,
Subway and Median Drains
R-3921-V1

Bridge Drain Frame and Bolted Grate

Heavy Duty

Available with Type “L” grates (order as R-3921-L1) or Type “B” grate shown on R-4014-T2.

Type V grate (shown) is considered bicycle safe only when installed

with vanes perpendicular to the curb.

Standard 125# flanged template downspout furnished by others.

To Calculate Drainage Water Flow

Listed by Product Number

SINCE 1985