Englisch
DWA-A 125E - Pipe Jacking (12/2008)
This Standard deals with the underground installation of pre-fabricated pipes with different geometry of the cross-section. During the installation, a cavity is created in the ground by displacing, ramming, drilling, pressing or other installation. The pipes are pulled, pushed or pressed into this cavity or existing sewers or pipelines are passed and/or replaced. For shield drives (e. g. segment l... Mehr erfahren
DWA-A 262 - Waste Water Treatment Plants (11/2017)
The Standard is published in May 2018, base on the German Edition from November 2017. This Standard sets out a common basis for the design, construction, and operation of planted and unplanted filters for biological treatment of municipal wastewater. Wastewater treatment with planted and unplanted filters is characterized by a simple structural design, a simple mode of operation, a low production ... Mehr erfahren
DWA-A 161E - Static calculation (3/2014)
The standard was published in May 2018, based on the German edition of March 2014 in the corrected version of October 2017. This standard applies to the structural calculation of pipes with a circular cross-section which are installed according to the pipe jacking method in a straight or bending direction in non-cohesive or cohesive soils (loose soils as according to DIN 18319) with static force ... Mehr erfahren
DWA-A 216E (Energy Check/12/2015)
Wastewater treatment is one of the largest energy consumers in a municipality. The results of energy analysis conducted show great potential for increasing energy efficiency of wastewater systems. In view of the complex process sequences in wastewater disposal, a systematic approach and extensive expertise is necessary with regard to the energy optimisation of wastewater systems. There is no stand... Mehr erfahren
DWA-M 803E- Cost Structures (11/2006)
The Advisory Leaflet provides the preconditions for the collection of investment costs and operating costs as well as any relevant technical information about the lifetime of the project in a standardized and constant form. In a first step (Advisory Leaflet version of 3/2002), a constant cost structure was developed which initially focussed on recording the investment costs alone. The structure co... Mehr erfahren
DWA-M 144-3E - ZTV Hose Liner Process (11/2012)
Damaged drains and sewers represent a hazard to the environment, especially the groundwater and soil. Various experiences have been made in rehabilitating damage using renovation processes with locally cured hose liners. Part 3 of the Advisory Guideline DWA-M 144 supplies supplementary harmonised, standardised technical contract conditions (ZTV) for this process. The supplementary technical contra... Mehr erfahren
DWA-M 507-1E - Levees Along Watercourses (12/2011)
The leaflet’s span of application was extended from ‘Levees’ to ‘Levees built along watercourses: Introduced to this end was a classification system that categorises the levees by height and inherent risk potential, therewith covering a bandwidth of vital aspects of the involved design and engineering work.Described are the specific hydraulic design parameters, the documentary evidence to ... Mehr erfahren
DWA-M 514 - Dam Surveilance (7/2011)
The principles of dam monitoring are dealt with in detail, with regard to both the technical and the human side of the topic, supplemented by issues like structural assessment, sensor technology, automation, data management, and others. Included are generally valid and noteworthy criteria and points for the most commonly applied measuring procedures and systems, with special focus on the structu... Mehr erfahren