The spring and summer of 1968 saw a tremendous leap in the cost of lumber. Architects, contractors, and developers began searching for less costly alternatives. The flat plate/pipe column idea seemed worthy of investigation, and the Dana Point Apartments in Arlington Heights, Illinois offered an excellent opportunity for contractors and subcontractors to try new procedures. The data presented here describe some of those used. The structure for Dana Point I is a five inch thick cast in place reinforced concrete flat plate, supported on pipe columns with I beam column capitals three and one-half inches wide, six inches deep and two feet long below the slab. The columns vary from three inch diameter standard to extra heavy pipe entirely within the conventional partitions, as do the capitals. The partitions provide the necessary fire protection for both columns and capitals. A sleeve is welded to the top of the capital. This extends through the slab to receive the column above. The slab is reinforced in accordance with the requirements of the American Concrete Institute Code, utilizing a uniform mat of welded wire fabric in the bottom of the slab, with supplemental bottom reinforcing bars where required. The top reinforcing is conventional and consists of reinforcing bars. The exterior masonry walls are loadbearing as well as resistant to lateral forces. Floor covering is applied direct to the slab. Further innovations in the flat plate/pipe column method are now being utilized. On-site precast slabs, apartments size or slightly smaller, are being lifted to form the apartment floors. The slabs for another three-story, twelve unit building are supported on bearing walls. Developers are projecting a minimum fifty cents per square foot savings by use of the on-site precast slabs. Casting of the panels stacked on top on one another will save the expense of forming and shoring and is expected to lead to economies in field labor and materials handling-even when measured against the cost of erection.