The footprint of the new patient tower was directly over the original utilities' path to the hospital. Rather than shut the water off to the hospital while tying into the new line, the team got creative. Temporary “saddles” were attached to the exterior of the 8-inch water main in two sections, and then connected to a nitrogen source. The water in the pipes in the work area froze, allowing workers to cut open the pipe and install the new line. Work had to be performed quickly, before the frozen water could melt, potentially sending hundreds of gallons of water through the open pipe.
To drill 20-foot piers inside the occupied pharmacy, DPR built temporary walls to encapsulate work activity within the partitions. A Bobcat was brought in to drill the piers and worked within the temporary walls. Exhaust from the Bobcat was released from the building via a 50-foot flexible steel tube attached to the muffler. The tube extended out of the work area, down the hall and out of a side door of the hospital.
To install the structural steel into the piers, a hole was cut in the roof for cranes to "fly" the steel in. To protect hospital staff, DPR timed the incoming piers with the staff; each time a new piece came in, the staff would leave the area for 20 minutes (it is against OSHA regulation to allow major lifts over occupied spaces), and then they would return when the coast was clear.
The project required the relocation of the employee parking lot. The owner's original schedule called for a new lot to be built prior to beginning construction of the new building. DPR recommended several approaches to “parking control” to allow work to begin on both phases at once. DPR built sidewalks, covered walkways, brought in a shuttle van and built a bus stop pavilion to make the employees' trek from an outer lot easier. By starting the new lot and building at the same time, DPR shaved six months from the schedule.