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Access to the complete installation manual and product warranty at www.plycem.com

BRIEF INSTALLATION GUIDE 

EUREKA ECOFOSA TANK

Step 1:

Identification of the type of soil (not applicable for hard or rocky soils).

Take a clod of soil and grind it into fi ne soil.

Place this material inside a glass or container with vertical 
walls, measure the height that the soil reaches inside the 
container (initial h) with the help of a ruler or tape measure (5 

cm is enough).

Add water until the volume of light soil is completely covered 
and let it stand for at least 1 hour to allow the material to 

expand.

After this time, measure the fi nal height (fi nal h) reached by 
the volume of fi ne soil. 

Store tanks on a fl at surface free of objects that will damage the tank walls or fl oor.

Stock on no more than three levels in a horizontal position at ground level.

Avoid stacking tanks on mezzanine edges or places where they can fall and hit. Do not stack on more than two levels.

When handling, they should not be thrown from height, dragged or hit against walls or fl oors. 

They should be lifted and transported by two people. Protect the connection plans and other components of the 
system during handling and storage.

4” PVC reinforced pipe including elbow or tee.

Polyplas fi lter in polyethylene.

4” PVC exit pipe.

4” rubber pack ( long lip) for inlet and outlet.

4” rubber pack (short lip) for polyplas fi lter.

2” sludge extraction pipe (bag in assembly material).

Filter material 

2” rubber packings for extraction tube

2” valve (not included)

Eureka introduces to the market its new line of polyethylene pit for wastewater treatment, with auto-cleaning 

system, constituting one more solution that Eureka provides for the care of health and the environment.

Consult the technical data sheets of Eureka Ecofosa Tank  at www.plycem.com

Ask for available of stock

Height

% Expansion

Hard soil or rocky soil (very 

low or no expansion).

Stable soil or medium 

resistance (Low Expansion).

Soft soil or plastic soil or unstable rocky 

soil (High - Medium Expansion).

CONCEPT 

UNIT

MEASUREMENTS

Capacity

Liters 

600

1300

No. of people

5

10

Color

Black

Black

Weight

Kg

16

39

A

cm

50

50

B

cm

134

156.5

C

cm

160

191.5

D

cm

139

166.5

E

cm

112

136

F

cm

25

25

G

cm

86

115

H

pulg

4

4

I

pulg

4

4

J

pulg

2

2

K

cm

30.7

40.7

Water

Height

Medium

Low

Very low

Does not include

fi nal

 - h 

initial

% Expansion=

x 100

initial

Angle of 
90°.

Cement base

Angle from 
60° to 75°.

Cement base

Ø+50cm

Cement base

Ø+50cm

Angle from 
45° to 60°.

DEFINITION-
APPLICATIONS

STORAGE AND 
HANDLING

ACCESSORIES

INSTRUCTIONS

Greater than 10 cm

Greater than 
100%

7.5 a 10 cm

51% a 100%

6.25 a 7.5 cm

26% a 50%

5.50 a 6.25 cm

10% a 25%

Lower to 5.50 cm

Lower to 10%

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