sentences:  The restoration uncovered the dome's -diameter oculus (round skylight), situated above the chapel floor, which had been plastered over for decades because of its deteriorating condition.The cost of the project was nearly $2.5 million, of which $925,000 was donated by the Class of 1969 to cover the cost of replacing the hardwood floors and refinishing the pews.The remaining $2.3 million came from the government.