Fire extinguishing technology for Bf. Berlin Zoologischer Garten, construction sections BA 2 and BA 6

Fire extinguishing technology for construction sections BA 2 and BA 6 at Berlin Zoologischer Garten station: Dismantling of 480 m pipe, 12 units of fittings, and 10 units of sprinklers; installation of 181 units of wet pendant sprinklers, 414 units of wet upright flat-plate sprinklers, 24 units of wet reserve sprinklers, 5 units of sprinklers in dry pipe hanging; laying of 1,331 m welded steel sprinkler pipe, 829 m additional steel sprinkler pipe; assembly of 105 units of grooved bends up to 45 degrees, 405 units of grooved bends 45 to 90 degrees, 65 units of grooved T-pieces, 462 units of reduced grooved T-pieces, 42 units of reduced cross-pieces, 444 units of grooved reducers, 36 units of tapping saddles, 1,788 units of grooved pipe couplings, 888 units of steel pipe clamps; installation of 22 units of flush valves with hose connection, 10 units of butterfly valves, 10 units of check valves, 8 units of flow switches as zone checks, 1 unit of zone check key switch panel, 1 unit of layout panel for zone check; laying of 2,475 m halogen-free cable, 250 m aluminum conduit, 250 m plastic armored conduit; assembly of 3,750 units of single hangers as U-bolt clamps, 3,750 units of metal collective hangers; connection of 9 units of sprinkler pipes to existing pipes; execution of 101 units of fire protection penetrations R 90, 36 m fire protection cladding for fire extinguishing pipes, 83 units of core drillings. For the 3rd level, axis 2-3: 20 units of wet pendant sprinklers, 62 units of wet upright flat-plate sprinklers, 357 m welded steel sprinkler pipe, 16 units of grooved bends up to 45 degrees, 149 units of grooved bends 45 to 90 degrees, 36 units of grooved T-pieces, 54 units of reduced grooved T-pieces, 83 units of grooved reducers, 14 units of tapping saddles, 243 units of grooved pipe couplings, 888 units of steel pipe clamps, 2 units of flush valves with hose connection, 1 unit of butterfly valve, 1 unit of check valve, 1 unit of flow switch as zone check, 1 unit of zone check key switch panel, 1 unit of layout panel for zone check, 510 m halogen-free cable, 70 m aluminum conduit, 260 units of single hangers as U-bolt clamps, 260 units of metal collective hangers, 1 unit of connection of sprinkler pipe to existing pipe, 10 units of fire protection penetrations R 90, 7 m fire protection cladding for fire extinguishing pipes, 23 units of core drillings. For the S-Bahn hall: 79 units of sprinklers in dry pipe hanging, 84 units of sprinklers in dry pipe upright, 24 units of dry reserve sprinklers, 470 m welded steel sprinkler pipe, 4 units of grooved bends up to 45 degrees, 157 units of grooved bends 45 to 90 degrees, 12 units of grooved T-pieces, 151 units of reduced grooved T-pieces, 2 units of reduced cross-pieces, 33 units of grooved reducers, 14 units of tapping saddles, 939 units of grooved pipe couplings, 314 units of steel pipe clamps, 16 units of ball valves for drainage, 4 units of flush valves with hose connection. For the revision level, axis 4-5: 33 units of wet upright flat-plate sprinklers, 205 m welded steel sprinkler pipe, 65 units of grooved bends up to 45 degrees, 114 units of grooved bends 45 to 90 degrees, 1 unit of grooved T-piece, 44 units of reduced grooved T-pieces, 1 unit of reduced cross-piece, 8 units of grooved reducers, 12 units of tapping saddles, 398 units of grooved pipe couplings, 138 units of steel pipe clamps, 2 units of flow switches as zone checks, 2 units of butterfly valves, 2 units of backflow preventers, 450 m halogen-free cable, 50 m aluminum conduit, 750 units of single hangers as U-bolt clamps, 750 units of metal collective hangers. For the lower elevator, AZ 05, axis B-C/5-6: Dismantling of 26 m pipe and 20 units of sprinklers; installation of 14 units of sprinklers in dry pipe upright, 8 units of sprinklers in dry pipe hanging; laying of 52 m welded steel sprinkler pipe; assembly of 25 units of grooved bends 45 to 90 degrees, 20 units of grooved T-pieces, 24 units of grooved reducers, 4 units of tapping saddles, 184 units of grooved pipe couplings, 30 units of steel pipe clamps. For the dry hydrant system: Dismantling of 260 m steel pipe, 550 m copper pipe, 8 units of fire water extraction points; installation of 16 units of G2A extraction fittings, 8 units of hose fittings, 8 units of Storz coupling B75 adapters; further items as per the tender documents.

Tender documents

Additional details