Renewal waterworks consisting of filter system, flush water treatment including associated complete pipe and machine technology as well as EMSR technical equipment, structural repair and outdoor facilities.

Construction technology filter hall

— construction site equipment and winter construction work,

— conversion and repair of existing single-storey multi-purpose (filter) hall made of reinforced concrete and prefabricated concrete elements (in partial construction phases), hall dimensions: 68 x 18 m, height (first) 7.8 m above ground floor

—— 1 300 m 3 excavation work,

—— 230 m 3 reinforced concrete,

—— 200 m 3 lightweight concrete as backfilled concrete basement,

—— 30 m angle retaining wall H 2.35 m,

—— 180 m 2 masonry including plaster,

—— 650 m 2 screed,

—— 1,500 m 2 concrete repair (blasting, reprofiling, coating).

— steel construction with:

—— 100 m 2 operating platforms,

—— 130 pcs steps for stairs,

—— 280 m railings.

— 70 m 2 tiles,

— 3 500 m 2 painting and painting work,

— 1 100 m 2 industrial floor coating,

— 10 doors (6 fire rated doors, 3 interior doors, 1 external door),

— various demolition work (masonry, concrete foundations, steel platforms, railings).

Construction technology outside filter hall

— flush wastewater treatment consisting of 2 round containers and an oval container:

—— each made of monolithic reinforced concrete (wu),

—— diameter 12.0 m with heights between 5.9 and 8.2 m,

—— partly earthed in excavation pit to be manufactured, to be installed (up to 6.5 m deep),

—— with technical and technological equipment.

— operating building between round containers:

—— monolithic reinforced concrete (wu),

—— Floor plan: special design approx. 40 m2 floor area, 4 m high.

— pipe and cable ditch work for the pipes to be laid under TO2 and 3,

— rain and operational water sewerage system:

—— ca. 450 m drainage channels DN 150,

—— 250 PP incl. shaft structures,

—— Depth up to 4.0 m

— dismantling old plants.

Pipe and machine equipment

— 8 standing pressure filters diameter 4 m cylindrical height 4.5 m,

— 5 standing pressure vessels diameter 0.6 m cylindrical height 6.5 m,

— underground pipelines up to DN 600 pcs,

— ground pipes up to DN 500 PE,

— underground double pipelines up to DN 100 PE,

— plastic coated steel pipes up to DN 600,

— fittings and measurement technology for the above piping system,

— purge air blower 2x 720 m 3/h,

— purge water pumps 2x 880 m 3/h,

— dosing technology for flocculants, flocculating agents, caustic soda and potassium permanganate, including starting stations < 1 m 3,

— caustic soda storage 35 m 3 including filling removal technology,

— flocculant storage 35 m 3 including filling removal technology,

— powdered activated carbon big bag emptying and dosing station,

— pneumatic system for v.g. fittings,

— operating water system 30 m 3/h,

— ventilation technology for water tanks and EMSR rooms,

— condensation dehumidifier for buildings,

— clearing and crashing mills for 2 containers diameter 12 m,

— flush water and thin slurry pumps 4x 100 m 3/h,

— measurement and control technology for the above plant,

— plant planning, documentation, commissioning, trial operation.

EMSR

— migration of process control technology, automation technology and network technology as well as elt installation, NHSV, subdistributions,

— 4 pieces PLS workstations WinCC v7.xx, hardware and software and 2 pieces Siemens S7-1500 controllers with 19 pieces bus nodes ET200SP,

— rebuild Profinet configuration with around 24 participants and rebuild Ethernet connection with approx. 30 participants,

— Step-by-step recreation of automation functions for the entire waterworks, including prorated supply system and NS switchgear according to the guidelines of the AG,

— rebuild the switchgear documentation of all switchgear systems in EPLAN P8,

— conversion during ongoing waterworks operation and extensive circuit technology and software interim solutions for the conversion,

— EMSR service delivery in several stages with dependencies on all trades.