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Header information according to [EN13508-2:2011]:

  • relate to the pipeline as a whole,
  • describe the conditions of the inspection as well as the pipeline and possible changes in it,
  • include project data, and
  • serve to clearly identify the object for allocation to the sewer inventory and to describe the inspection conditions.
(Image: Inspection report - marking Header Information)

(Image: Sewer Section Identification)

The Header information is supposed to be entered at the start of the inspection. According to [EN13508-2:2011], the following information shall be recorded:

(a) The pipeline (length) identification occurs by:

  1. pipeline reference and/or the two node references.

  2. Alternatively, where the pipeline length is a lateral connected to another pipeline without a chamber, the pipeline may be identified the following way:…

(b) The direction of the inspection

  • Inspection and documentation direction are based on the client's specifications

(c) A textual description of the location

  • The name of the local authority, name of the district, name of a street, or name of a square.

(d) The coding system

  • The coding system must be specified and clearly designated, e.g., according to Code of Practice [EN13508-2:2011], [DWAM149-2:2013]

(e) The longitudinal reference point (if recording …

(f) The Method of Inspection

  • The inspection method must be specified. For example:
    • TV sewer cameras
    • manhole inspection systems based on video camera technology
    • manhole inspection systems based on digital photo technology

(g) Further Basic Information

  • date of inspection
  • whether the drain or sewer was pre-cleaned
  • any other information required by the employing authority

[EN13508-2:2011]

Further binding header information can be:

  • name of the client and contractor
  • name of the equipment operator
  • camera system
  • purpose and time of inspection
  • discharge control yes/no
  • shape and dimensions (with indication of data origin, i.e., measured, estimated, taken from a plan)
  • material
  • lining details
  • standard pipe length
  • type of wastewater

[EN13508-2:2011]

 
Important:

Further header information can be requested by the client.

A height measurement …

Master Data

  • The client must provide the master data necessary for the visual inspection and make specifications for the recording of changes.

  • Master data must be checked by the inspector during the inspection.

  • Where any information specified in the header changes during the inspection, the revised information shall be entered using the relevant code as described below (table).

(Table: Master Data)

Example 3: Cancelling the visual inspection and continuing the inspection from the opposite direction, the opposite side (of the obstacle) is reached.

1. Data set: BCDXP - BBAA - BDCYY

2. Data set: BCDXP - BBAA - BDCYC

(Image: Control code - visual inspection image 2)