1.Sanierung Pumpenhalle

Services: pipe technical and structural renovation, pipe technology up to DN 800 in steel Rilsan, renewal of floors, steel construction for stairs, platforms and railings, coating of the outer wall, execution in two staggered construction phases within the construction period

2. New construction of pressure surge system

Civil engineering, reinforced concrete structure with sandwich roof (enclosed space 1,400 m³), steel construction for walkways and platforms, 4 pressurized shock boilers made of stainless steel – 30 m³ net capacity (PN 16/21), pipe technology up to DN 800 in steel Rilsan (PN 16/25), underpinning existing building and transformer room in jet blasting method, dewatering measures/ GW lowering

3. External pipelines, temporary arrangements, dismantling

underground pipelines including interim pipeline, dewatering / GW subsidence, dismantling of various facilities, restoration/renewal of outdoor facilities

1. Renovation of pump hall,

• Renewal of the pumping stations in the machine hall of the WW Mockritz

North ring with 2,100 m³/h, 4 pumps provided – nominal pressure PN 16,

South ring with 2,000 m³/h, 4 pumps provided – nominal pressure PN 25

• Services: pipe technical and structural rehabilitation, pipe technology up to DN 800 in Stahl-Rilsan

• Renewal of floors, steel construction for stairs, platforms and railings, coating of exterior wall

• Execution in two staggered construction phases within the construction period

2. New construction of pressure surge system

• Civil engineering, reinforced concrete structure with sandwich roof (enclosed space 1,400 m³)

• Steel construction for catwalks and platforms

• 4 pressure jackets made of stainless steel – 30 m³ net capacity (PN 16/21)

• Pipe technology up to DN 800 in steel Rilsan (PN 16/25)

• Underpinning of existing building and transformer room in the jet blasting process

• Dewatering measures / GW lowering

3. External pipelines, temporary arrangements, dismantling

• 220 m DN 800/1,000 (steel, ZMA, PE-U) PN 16 Nordring or PN 25 Südring, each buried

• 220 m DN 200 PE-HD (process water + glass), each buried

• 150 m Interimsleitung DN 400, PN 16 (erdverlegt)

• Dewatering measures / GW lowering

• Interim pumping station Südring (realization with existing pumps)

• Dismantling of hydrophric plants of North and South Ring

• Dismantling of various shafts in the route area

• Restoration / renewal of the outdoor facilities