Construction material transport container for material delivery and used material removal

A material transport container comprising:

• a base frame assembly comprising:
• a floor for supporting contained materials,
• a base frame configured for supporting the floor, and
• a front wall extending upward from and perpendicular to the floor and extending inward from each of two sides of the base frame assembly towards the other of the two sides of the base frame assembly;
• a plurality of side doors hinged to the base frame assembly,
• wherein each side door is:
• configured to swivel orthogonally to the floor,
• configured to open by at least swinging inward over the floor, and
• configured to form at least a portion of one of two side walls of the container
• when in a closed position, and
• wherein for at least two of the plurality of side doors, the two side doors are positioned on opposite sides of the container when the two side doors are in a closed position;
• and
• one or more rear doors hinged to the base frame assembly, the one or more rear doors configured to swivel orthogonally to the floor and to form substantially all of a rear wall of the container when in a closed position,
• wherein the floor, the front wall, the plurality of side doors and the one or more rear doors create an open top receptacle into which material can be loaded when the doors are closed.