INSTRUCTIONS FOR USE
DRAIN
/ FOR YOUR SAFETY
1.3 OWNER'S RESPONSIBILITY
Functional reliability is only warranted if users perform monthly inspections and qualified
personnel inspect and service the backflow stops every six months.
1.4 PERSONNEL QUALIFICATION
Skills required for installation, inspection and servicing:
Knowledge of building services
/
Assessment of wastewater technology applications
/
Excavating recesses (on-site building work)
/
Installation of drainage lines
/
Properly qualified
/
(type 0 and type 2)
*Definition according to DIN 1986-100: "Personnel of the operating company or of appointed
third parties are regarded as "properly qualified" if, on account of their training, their knowledge and
their experience gained through practical work, they can ensure that they can expertly carry out
evaluations or tests in the specialised field in question.
Properly qualified personnel can acquire the necessary expertise to perform certain inspections and
function tests and/or checks, e.g. on separation systems, small sewage plants or backflow systems
(excl. type 3 for wastewater containing faeces) in courses with subsequent onsite induction such as
are offered, for example, by relevant manufacturers, trade associations, chambers of crafts or expert
organisations operating in the field of separation technology."
1.5 PERSONAL PROTECTIVE EQUIPMENT
Depending on the site requirements, personal protective equipment may be required,
e.g. protective gloves, a helmet where there are low ceilings, protective footwear during the
construction phase.
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personnel*
for six-monthly inspections and servicing of backflow stops