WORCESTER (CBS) – It was a big day at the new Polar Park in Worcester as a topping-off ceremony was held.

A topping-off ceremony at Polar Park in Worcester. (WBZ-TV)

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Thursday morning officials signed the final structural beam at the new home of the Woo Sox before crews installed it.

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It has been about five months since the first steel was put into place.

The final beam is put in place at Polar Park in Worcester. (WBZ-TV)

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The minor league baseball park is still on schedule to open in April.