Update on DIN EN 1610, DWA-A 127, DWA-A 157

DWA-A 139 – Effects of excavator-mounted compactors on soil and installed pipelines

Joint publication of DIN EN 1610 and DWA Worksheet A 139

The publication of the German version of EN 1610:2015-12, Construction and testing of drains and sewers, necessitated a revision and adjustment of DWA Worksheet A 139. The following changes, adjustments and additions were made: maximum dimensions for construction materials in the pipeline zone, requirements for recycled building materials, definition of minimum work space widths, additional requirements for the pipe-soil system, homogeneous areas, leak tests, visual inspection coding in accordance with EN 13508-2, manufacturer’s...

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Issue 2018-02 The new Worksheet DWA-A 139

Construction and testing of drains and sewers

The revised edition of Worksheet DWA-A 139 includes the supplementary notes and further explanations on DIN EN 1610 “Construction and testing of drains and sewers” (Einbau und Prüfung von...

Issue 2019-02 Automation in sewer construction

Implications for pipe installation

Shortage of staff, migrant workers, and cost and deadline pressure are forcing civil engineering companies to rationalize and mechanize their work processes. The product portfolio of equipment used...

Issue 2018-02 Decentralized rainwater treatment plants

Technologies and testing procedures

Progressive soil sealing combined with an increasing occurrence of heavy rainfall events represents an enormous challenge for urban drainage. In addition, a significant proportion of the pollution of...

Issue 2018-02 DWA Worksheet 221 or industry guideline on small wastewater treatment plants

Quo vadis?

In October 2014, the European Court of Justice (ECJ) found “that the Federal Republic of Germany violated the obligations arising from Directive 89/106/EEC” because it created additional...

Issue 2018-02 The new DWA-A 127 worksheet

Structural analysis of sewers and drains – what will change?

Worksheet A 127 is currently under revision, analogously to the already completed DWA-A 161. The aim of this paper is to discuss briefly the most significant changes in DWA-A 127-1, which correspond...