Fitting Type

Construction Details

Number

Access hatch

Bolted cover, gasketed

3

Vacuum breaker

Weighted mechanical actuation, asketed

14

Roof drain

100%  open

5

Unslotted Guide Pole

Ungasketed sliding cover

2

Deck leg

Adjustable, pontoon area - gasketed

301

Rim vent

Weighted mechanical actuation, asketed

13

 

Rim-seal

Primary

Liquid-mounted seal

 

1

Secondary

Weather shield

Table 1: Fitting types of the storage tank.