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Help for formulating maintenance of
backflow traps in accordance with DIN EN 13564
for faecal-free wastewater and wastewater containing faeces
1. The backflow trap(s) installed in my / our building(s)
City
Street / street number
Number
in accordance with DIN EN 13564
should be maintained as required in DIN 1986 part 32 / 33 – twice annually for functional safety.
Maintenance is to be performed according to the maintenance instructions.
2. Owner:
Last name
First name
Postal code / city
Street
3. Responsible company (installer):
Last name
First name
Postal code / city
Street
4. The total price for maintenance of all drains listed in section 1 of this contract is:
for the full calendar year at the time the contract was signed
Euros
in words
pro-rated for the current calendar year 20
Euros
in words
plus VAT as required by law
Any replacement parts will be invoiced separately.
5. This contract enters into force on
and ends on 31.12 of that year / the following year.
It shall be extended one additional year if it is not terminated in writing by one of the contracting parties
three months before the expiration of the calendar year. The contract cannot be transferred to a third party.
Place
Date
Signature
Stamp / Signature
(owner contracting party)
(executing company contracting party)
507529_Grundfix_Plus_Control.indd 80
06.08.15 17:02
