Shed

A pressurized storage shed configured to store items under pressure, the pressurized storage shed including:

• a floor, wherein the floor includes a concrete slab and a bund mounted on the concrete slab, the bund disposed around at least a portion of the perimeter of the floor to form a peripheral embankment, wherein the bund includes a substantially vertical wall on an outside face and fasten to the peripheral embankment;
• one or more spaced apart walls attached to the substantially vertical wall of the bund;
• a roof;
• a door arrangement including:
• at least one door panel;
• a peripheral angle for providing a face for the door panel to close against;
• one or more hinges disposed on the door panel for swinging the door panel between a closed position in which the door is forced against the face of the peripheral angle, and an open position in which the door panel is distal to the peripheral angle;
• a latch assembly which includes
• a rotatable locking post having a longitudinal axis, a handle configured to rotate the rotatable locking post about the longitudinal axis between a locked position and an unlocked position,
• a latch plate mounted to a lower end of the rotatable locking post and disposed at a base of the door panel, and
• a catch plate mounted on a ground potion in front of the door panel so the catch plate extends above the ground portion, the catch plate being generally coplanar with the latch plate, the catch plate further including a wall facing the door,
• wherein when the rotatable locking post is in the locked position, the latch plate abuts the wall of the catch plate latching the catch plate against, the door arrangement during the rotation of the handle, forcing the door arrangement against the wall of the peripheral angle, thus, sealing the door panel to seal the shed, and when the rotatable locking post is in the unlocked position the latch plate is configured to rotate away from the wall of the catch plate allowing the door panel to swing to the open position, and
• wherein the walls, the roof and the floor provide a storage volume and are sealed together to inhibit ingress of vermin and to maintain a selected ambient pressure inside the storage volume, and
• a pressure relief valve operatively connected to the floor, the roof or the wall to relieve internal pressure in the storage volume.