Negotiated invitation to tender, deadline 25.04.2017, for the construction of 7800 m of a 14km long sewer tunnel from the Bromma Wastewater Treatment Plant to the Sickla plant. The construction willl involve 1805m of 2430m work tunnels, vertical shafts, a new flue for tunnel ventilation at Smedslätten and ancillary works at Stockholm (Lot E2). The tunnel goes via Bromma’s south-west coastline, under Lake Mälaren to Eolshäll and eastward to the pumping station at Sickla. The tunnel will be built at around 30–90 m below ground level. The main tunnel will be built through five working tunnels of which four are new:, Smedslätten, Eolshäll, Liljeholmen and Gullmarsplan and the Åkeshov which already exists. The duration of the contract is until 30/05/2025. For further information http://www.stockholmvattenochavfall.se/en/sfa-start/tunnel-and-wwtp/#!/modern-wastewater-treatment. Contact Stockholm Vatten VA AB, Stockholm, attn Sten Janson, fax +46 852212002, email sten.janson@svoa.se. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=112562-2017. Ref.n. 16SV846. 14/17.
