Stormwater Events

Hundreds of pounds of
sediments collected

A Type Catch Basin/Basket
under manhole

A Type Catch Basin/Shelf
collects everything places in basket

Fiberglass and stainless steel
construction holds the weight

Shelf and basket unit

4" & 5" rocks captured by unit

Shelf mounts under incoming wing

Basket under manway/ holding
hundreds of pounds of sediments

Bricks caught
by shelf unit

Illegal discharge of
bricks into storm drain

Bio Clean filters
hold up to weight

Basket and shelf
not affected by weight.

Filters capture everything

Debris stays in place - No washing out

High flow treatment

Basket handles flow volume

Water crests dam

No flow restrictions

B1 type inlet

GISB handles oil slick

Oil enters GISB

GISB under grate

GISB not flooding even when full

GISB retains sediments, debris & hydrocarbons