HOLLAND, MI (WHTC) - Holland Hospital officials announced yesterday that site preparation will begin next Monday on construction of a new 33 thousand square foot medical office building. When completed by next May, the 6.3 million-dollar structure will be the new home of the West Michigan Heart cardiology group. A separate, 10 million-dollar, orthopedic, spine and neurosurgery unit expansion project is reportedly in its final stages.