Property drainage; drainage application

To apply and for further information, please contact the Building Supervisory Office of the City of Erlangen:

Building Supervisory Office

A separate application for approval of the property drainage system (2 copies) must be submitted in addition to the building construction (§ 10 EWS) as part of a building permit procedure or in the approval exemption procedure, especially for new construction projects and for significant changes to existing drainage systems.

The following projects are subject to approval:

• Construction and modification of the property drainage system
• Construction and modification of connecting sewers
• Temporary discharge of wastewater (church consecrations, street and district festivals and similar events as well as the installation of toilet trailers, construction site facilities, office containers, etc.)
• Temporary discharge of groundwater from construction sites, groundwater drilling tests and remediation (contaminated sites)
• Temporary discharge of waste water for façade cleaning
• Construction and modification of all drainage facilities within buildings that receive and discharge commercial, industrial and similar non-domestic wastewater, in particular wastewater pre-treatment facilities, as well as changes to the approved wastewater quantity, wastewater composition and the pre-treatment process (restaurants, manufacturing, petrol stations, etc.)
• Discharge of substances in accordance with § 15 Para. 11 (commercial and industrial wastewater)

The official site plan is available here:

State Surveying Office
Nägelsbachstraße 67
91052 Erlangen
Telephone +(49) 09131 / 306 - 0
Fax +(49) 09131 / 306 - 250

or on written or personal application to the City of Erlangen:

Department of Surveying and Land Regulation
2nd floor, room 231
Museumswinkel / Gebbertstraße 1
91052 Erlangen

The sewer register for the entire city area is available here:

Drainage company of the city of Erlangen (EBE)
Werner-von-Siemens-Straße 61
91052 Erlangen
Telephone +(49) 09131 / 86 - 2395 or - 2320
Fax +(49) 09131 / 86 - 2661

Property connections should be designed as vitrified clay pipes in accordance with DIN EN 295 or solid wall pipes made of polypropylene (PP) in accordance with DIN EN 1825 (min. SN16) or as concrete pipes or, if statically required, as reinforced concrete pipes in accordance with DIN EN 1916, including resistance to chemically aggressive environments in accordance with DIN 4030 (EA3). Please apply for deviating material requirements in good time.

Handling precipitation water, permit-free infiltration of collected precipitation water

For old files (inventory plans), please contact the city archives:

City Archive
Luitpoldstraße 47
91052 Erlangen
Telephone +(49) 09131 / 86 - 2219
Fax +(49) 09131 / 86 - 2876

The connection to the public sewer must be applied for in good time, preferably together with the excavation permit (special use of public traffic space) at the Office for Urban Planning and Mobility, Road Traffic and Construction Sites Department:

Office for Urban Planning and Mobility
Department of Road Traffic and Construction Sites
Werner-von-Siemens-Straße 61
91052 Erlangen
Telephone +(49) 09131 / 86 - 1653 or - 2481

The tapping of the public sewer itself is carried out by the drainage company of the city of Erlangen - sewer maintenance:

EBE drainage company
Sewer maintenance
Werner-von-Siemens-Straße 61
91052 Erlangen
Telephone +(49) 09131 / 86 - 1229
Fax +(49) 09131 / 86 - 2661

Essentially, the following documents must be submitted in duplicate:

• Application form
• Current official site plan scale 1:1000
• Official sewer cadastre scale 1:1000
• Floor plan drawing, scale 1:100
• Sectional drawings (pipe run) Scale 1:100
• If applicable, soil survey incl. infiltration proof or infiltration test (infiltration obligation for unpolluted rainwater)
• Checklist for infiltration of rainwater
• In the case of discharge restrictions, the VRRR calculations according to equation 22 and the flooding verification according to equation 20 of DIN 1986-100
• Dimensioning of separator systems