For the last 10 years the manhole system econorm has been available in the market. During this period the system has became a synonym for safety and quality in the construction of manholes. The increasing demands of the market regarding precast concrete sections is shown by tender documents, and with growing sensibility safety and static requirements are becoming more important. Already over 300000 built in various combinations show, that econorm is evident in planning and on the building site. The Standard DIN V 4034-1 valid since 23.11.2004 in conjunction with the European Standard EN 1917 demonstrates the high requirement, which the manhole system econorm fulfils. The tight integration of gasket and load compensation in the concrete product is known as the `TOP-SEAL-PLUS element`. Because of its features planner and local districts decide for econorm.Especially by groundwater problems, high traffic loads or other problems us econorm the only useful alternative.
He manhole system with safety and responsibility. The success of econorm- showed: hardly a substitute is roughly coming nearer to the requirements of the econorm-. You recognize the original every time on:
- The undivided integrated gasket with cast-in load compensation
- Not resilient load compensation around
- Clear access 610 mm
- Vertical load test, more than 400 kn for all econorm®-elements
- Interconnected static checked system - from manhole bottom up to adjustable cover