Automated grid storage and retrieval system with passive fire prevention arrangement

An automated grid storage and retrieval system comprising:

• a framework structure comprising a track system comprising a first set of parallel tracks arranged in a horizontal plane (P) and extending in a first direction (X), and a second set of parallel tracks arranged in the horizontal plane (P) and extending in a second direction (Y) which is orthogonal to the first direction (X), which first and second sets of tracks form a grid pattern in the horizontal plane (P) comprising a plurality of adjacent grid cells, each grid cell comprising a grid opening defined by a pair of neighboring tracks of the first set of tracks and a pair of neighboring tracks of the second set of tracks;
• a plurality of storage columns, each column being arranged to store a respective stack of storage bins, wherein the storage columns are located beneath the track system, wherein each storage column is located vertically below a grid opening;
• a plurality of bin handling vehicles that operate on the track system for collecting and returning the storage bins to and from the plurality of storage columns, and
• a control system for monitoring and controlling the automated storage and retrieval system, wherein the automated grid storage and retrieval system is arranged to be installed within a warehouse space into a plurality of sub grids,
• wherein adjacent sub grids of the plurality of sub grids are separated from each other by a fire wall, fire barrier or fire partition extending between the adjacent sub grids, and
• wherein the adjacent sub grids are co-joined by one or more bridges in the form of sections of track that pass through one or more openings in the fire wall, fire barrier or fire partition to allow the plurality of bin handling vehicles to pass from a grid-based track system of one sub grid to the grid-based track system of another sub grid, each opening in the fire wall, fire barrier or fire partition being provided with a fire door which is arranged to close off the opening in the fire wall, fire barrier or fire partition in event of a fire.