A total of 51 were injured, and 18 were in hospital where four people are in critical condition. The rescue was completed at 6 pm.
Altogether, 139 were in the structure when the accident took place. Out of the 139 workers, a total of 88 managed to escape the structure on time.
Local officials said the accident occurred at around 5:40 am in Mayong township, and an area of about 200 square meters was covered by the collapsed structure, which workers appear to have been using as a dormitory.
An initial investigation showed the crane was blown over in a gale.