TO 4 — MAB 1 TO 6 adjustment — renewal of inlet shaft TO 9 — adjustment to NKB 1

TO 4 — adaptation MAB 1, d=20.5m - demolition of encircling reinforced concrete channel approx. 64 m, internal dimensions WxH 0.5x0.66m

- demolition fitting shaft DN 1500, T~3.5m, including installations

- Mineral surface coating approx. 600 m² including joint repair

- Demolition of buried pipes and valves (short ends), close pipe penetrations

- Disassemble and reassemble 2 submersible mixers

- Deliver submersible sewage pump, flow rate 5.5 to 25 l/s and install including the installation set and console

- Supply and install pipe adaptations DN 100 V4A, check valve DN 100

- Re-coat existing operating bridge (steel, color-coated)

- Dismantle the existing throttle section DN 200 (E-slide, MID, pipe V4A) in the duct LxWxH 1.7 x 0.8 x 1.8 m

- Replace the throttle path in DN 300, including the E-slide valve (assembly of on-site MID).

TO 6 — Supply shaft renewal - Production of a temporary construction consisting of a shaft and connecting pipes DN 150 to 500

- demolition reinforced concrete feed shaft/pressure interrupter shaft inner dimensions 2x2x2m

- Deliver and set a PE-lined reinforced concrete shaft 2x2x2m

- restoration of PE pipe connections, 1x DN 500, 1x DN 400, 2x DN 300, 1x DN 200, 1x DN 150, 1x DN 60

- Temporary dismantling and surface restoration

- Production of a V4A rye connection with Storz fixed coupling A 4"

- Delivery and installation of a closed 2-piece GRP grating cover

TO 9 — Adjustment of pool crown NKB 1, d=20.5m - Mineral surface coating approx. 400 m² including joint repair

- Milling the wall crown, supplying and laying polymer concrete crown stones for round pools, b=500 mm

- Relocate existing circular cleaners for construction time, adjust the height of floor shields after crown assembly in cooperation with AG.