The first floor adopts 15m double T-plate double span, and the second floor can adopt 30m double T-plate single span or 15m double span.
1. Only the first floor cost of two rows of side columns (column spacing can be 6 meters or 7.2 meters) and middle row columns and ring beams (ring beams on both sides, middle ring beams and gables at both ends) is calculated. 15m floor price is about 230 yuan per square meter. If the second-floor roof adopts a 30-meter double T-plate roof panel, the panel is about 300 yuan per square meter.
2. If the second floor adopts a two-span 15m double T-plate roof panel, the roof panel of 15m is about 180 yuan per square meter (including manufacturing and hoisting costs).