1. Waterway and circuit worker's expenses: one square meter of 50 yuan.

2. Cost of floor tile laying workers: one square meter of 80 yuan.

3. Building lime fee: one square meter of 80 yuan.

4. Waterproofing cost: one square meter in 30 yuan.

5. Cost of backfill workers: one square meter in 24 yuan.

6. Workers' garbage removal cost: one square meter in 32 yuan.

7. Freight for building materials: per square meter 16 yuan.

8. Completion cleaning fee: 16 yuan. The total unit price per worker (by volume) should be: one square meter of building materials and half a worker in 220 yuan (by volume). The total should read: Yiping, 220 yuan.