The pool height 16m and the diameter 12m. The corrosion of the inner wall is not serious, and most primers are in good condition. Now, it is necessary to do sandblasting. How much is it per square met

The pool height 16m and the diameter 12m. The corrosion of the inner wall is not serious, and most primers are in good condition. Now, it is necessary to do sandblasting. How much is it per square meter? It's more cost-effective to do such a big sandblasting yourself. Two-gun open sandblasting machine is about 9000 yuan, spraying 30 square meters per hour, air compressor is about 2 cubic meters, which is about 10000 yuan, followed by shelf and abrasive, which is about 30000 yuan.