Prefabricated concrete parking structure or the like

Claim 1

IN A PARKING STRUCTURE ERECTED FROM PRECAST CONCRETE STRUCTURAL COMPONENTS: AN INNER SERIES OF SPACED LOWER COLUMNS OF PREDETERMINED LENGTH HAVING UPPER ENDS; AN OUTER SERIES OF SPACED LOWER COLUMNS OF SUBSTANTIALLY THE SAME LENGTH AND HAVING UPPER ENDS; RECTANGULAR LOWER SLAB UNITS HAVING INNER AND OUTER ENDS AND SUPPORTED ON THE UPPER PARTS OF THE OUTER LOWER COLUMNS; A RECTANGULAR LOWER RAMP UNIT CONTAINING AN UPPER INCLINED PORTION WITH AN UPPER END AND A LOWER HORIZONTAL PORTION WITH A LOWER END SUPPORTED ON THE UPPER ENDS OF THE INNER LOWER COLUMN, THE LOWER END OF THE HORIZONTAL PORTION BEING IN ABUTTING ENGAGEMENT WITH THE INNER ENDS OF THE LOWER SLAB UNITS; AN INNER SERIES OF SPACED UPPER COLUMNS HAVING UPPER ENDS AND A LENGTH SUBSTANTIALLY THE SAME AS THE LENGTH OF THE LOWER COLUMNS; AN OUTER SERIES OF SPACED UPPER COLUMNS OF SUBSTANTIALLY THE SAME LENGTH AND HAVING UPPER ENDS, THE UPPER ENDS OF THE UPPER COLUMNS BEING SPACED ABOVE THE UPPER ENDS OF THE LOWER COLUMNS A DISTANCE EQUAL TO ABOUT ONE-HALF THE LENGTH OF A COLUMN; RECTANGULAR UPPER SLAB UNITS HAVING INNER AND OUTER ENDS AND SUPPORTED ON AND AFFIXED TO THE UPPER PARTS OF THE OUTER UPPER COLUMNS; A RECTANGULAR UPPER RAMP UNIT CONTAINING AN UPPER HORIZONTAL PORTION WITH AN UPPER END AND A LOWER INCLINED PORTION WITH A LOWER END SUPPORTED ON THE UPPER ENDS OF THE INNER UPPER COLUMNS, THE UPPER END OF THE HORIZONTAL PORTION BEING IN ABUTTING ENGAGEMENT WITH THE INNER ENDS OF THE UPPER SLAB UNITS AND THE LOWER END OF THE INCLINED PORTION BEING ADJACENT THE UPPER END OF THE INCLINED PORTION OF THE LOWER RAMP UNIT; AND MEANS INTERCONNECTING THE ABUTTING EDGES OF THE UNITS.