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Header information according to [EN13508-2:2011]: -
relate to the pipeline as a whole,
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describe the conditions of the inspection as well as the pipeline and possible changes in it,
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include project data, and
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serve to clearly identify the object for allocation to the sewer inventory and to describe the inspection conditions.
(Image: Inspection report - marking Header Information)
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(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: -
pipeline reference and/or the two node references.
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Alternatively, where the pipeline length is a lateral connected to another pipeline without a chamber, the pipeline may be identified the following way:…
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(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 …
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(f) The Method of Inspection -
The inspection method must be specified. For example:
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TV sewer cameras
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manhole inspection systems based on video camera technology
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manhole inspection systems based on digital photo technology
(g) Further Basic Information -
date of inspection
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whether the drain or sewer was pre-cleaned
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any other information required by the employing authority
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Further binding header information can be: -
name of the client and contractor
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name of the equipment operator
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camera system
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purpose and time of inspection
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discharge control yes/no
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shape and dimensions (with indication of data origin, i.e., measured, estimated, taken from a plan)
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material
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lining details
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standard pipe length
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type of wastewater
Important: Further header information can be requested by the client. A height measurement …
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Master Data -
The client must provide the master data necessary for the visual inspection and make specifications for the recording of changes.
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Master data must be checked by the inspector during the inspection.
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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).
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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)
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