The subject of this tender is the emptying of the

Postal track in Hamburg-Altona. This is

Surface water and, if necessary,

Groundwater is filled. The water must be pumped

and discharged into the public sewage system

This is a temporary measure

with a limited duration. The measure is divided into

two phases : In the first phase in October 2017,

a first emptying of the trough is provided, the second

Emptying with subsequent water retention of the

incoming water is for the period March 2018

planned until July 2018. The systems are designed for

to be kept for the entire period.