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Maintenance log for GRAF small wastewater treatment systems
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12. Maintenance log for GRAF small wastewater treatment systems
Location (address):
Maintenance company:
Date of maintenance:
Serial number:
Order no.:
System size:
PE
Actual connection
PE
Operator's name:
Customer no.:
1st line of address:
Tel. no.:
Town/city, postcode:
Fax no.:
Installed by:
Start-up:
Will the system process commercial wastewater too?
No
Restaurant without kitchen
Restaurant with kitchen
Other
Grease separator present, NG
Emptying needed
Function check of system parts important to operation:
Aeration / valve 1 (blue)
Discharge lifter / valve 2 (black)
Excess sludge lifter / valve 3 (white)
Power cut indicator
Air inlet / aeration:
moderate
intensive, circulation clearly visible
Aerator pattern / aeration:
fine bubbles
even
Comments:
Sludge accum buffer:
Sludge height:
cm
Floating sludge height:
cm
The operator should arrange for the cesspit to be emptied.
SBR reactor:
Oxygen concentration:
mg/l (normally approx. 4-6 mg/l, at least 2 mg/l)
Sludge as proportion of
volume:
ml/l (maximum 700 ml/l)
Comments:
Control unit:
Control unit type:
Σ-
operating hours:
Aeration (valve 1):
Discharge (valve 2):
Excess sludge
reser
voir
(valve 3):
Summary of Contents for one2clean+ XXL
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