en
44
For pits with diameters or 160 cm or more, make an approx. 5 cm thick concrete floor with electrowelded mesh and fit a manhole over the
inspection cover.
10.10.2.2 Installation diagram if the Depurbox is connected to both the kitchen and the bathroom
1 Inspection pit (provided by installer)
2 DGS
degreaser
3 Header pit (provided by installer)
4 Imhoff tank (for Depurbox MAXI and DUO)
5 Depurbox
6 DBF filter (if present)
7 Sampling pit (provided by installer)
10.10.2.3 Improper Use
Improper use includes:
-
introducing large solids deriving from the preparation of food, washing dishes, plastics, paper towels,
paper, cardboard and anything else that could clog the pipes
-
introducing hazardous liquids (harmful, irritating, toxic, explosive, corrosive, flammable) such as paint,
solvents, hydrocarbons or mineral oils
-
introducing considerable quantities of highly oxidising substances (such as fluorides and chlorides),
cleaning products, disinfectants, bactericides, liquids or substances that are harmful to bacterial flora and
fauna
-
introducing highly acid or alkaline cleaning liquids
-
introducing elevated quantities of 90% biodegradable detergents
-
introducing nutrients and/or chemical additives
10.10.2.4 Monthly maintenance
1
Check the level of solids and fats in the tank.
2
Remove any encrustation, floating materials and sediments and/or deposits inside the tank of the Depurbox BASE
(wastewater entrance area,
→
section 10.1.1., part n° 5) of the primary settler of the Depurbox MAXI and DUO (
→
sections
10.1.2. and 10.1.3, part n° 15).
3
Check the fiscal sampling pit
10.10.2.5 Half-yearly maintenance
1
Have the discharged wastewater analysed for pH, SS, animal/vegetable fats and oils.
2
Have any accumulations of separated oils and sediments removed and disposed of by a specialised firm.
10.10.2.6 Annual maintenance
1
Have a specialised firm remove and dispose of excess sludge according to local and/or national regulations, laws and
standards governing waste disposal, by pumping it from the bottom of the container.
10.10.2.7 Extraordinary maintenance
The first sign of the need for extraordinary maintenance is gurgling when draining the sink.
If the pipes become obstructed by solid objects such as paper, food preparation/washing and cooking waste, and when gurgling persists,
proceed as follows:
1
2
4
3
7
5
6
