This building helps to reduce the construction time for all others. The higher the level of your Construction Yard the lower the time any other building will take to upgrade.
On x2 speed worlds the upgrade time is reduced to 50% and on x4 worlds to 25%.
Level 1: -
Level 2: Upgrade Cost $10,000, Upgrade Time 00:00:20, Prestige 2, Building Time Reduced 5%
Level 3: Upgrade Cost $20,000, Upgrade Time 00:20:00, Prestige 4, Building Time Reduced 8%
Level 4: Upgrade Cost $50,000, Upgrade Time 00:30:00, Prestige 6, Building Time Reduced 12%
Level 5: Upgrade Cost $90,000, Upgrade Time 01:00:00, Prestige 8, Building Time Reduced 16%
Level 6: Upgrade Cost $120,000, Upgrade Time 01:20:00, Prestige 10, Building Time Reduced 20%
Level 7: Upgrade Cost $200,000, Upgrade Time 01:40:00, Prestige 12, Building Time Reduced 23%
Level 8: Upgrade Cost $300,000, Upgrade Time 02:00:00, Prestige 14, Building Time Reduced 26%
Level 9: Upgrade Cost $420,000, Upgrade Time 02:20:00, Prestige 16, Building Time Reduced 29%
Level 10: Upgrade Cost $600,000, Upgrade Time 02:40:00, Prestige 18, Building Time Reduced 32%
Level 11: Upgrade Cost $750,000, Upgrade Time 03:00:00, Prestige 20, Building Time Reduced 34%
Level 12: Upgrade Cost $925,000, Upgrade Time 03:20:00, Prestige 24, Building Time Reduced 36%
Level 13: Upgrade Cost $1,200,000, Upgrade Time 03:40:00, Prestige 28, Building Time Reduced 38%
Level 14: Upgrade Cost $1,500,000, Upgrade Time 04:00:00, Prestige 32, Building Time Reduced 40%
Level 15: Upgrade Cost $1,800,000, Upgrade Time 04:00:00, Prestige 36, Building Time Reduced 42%
Level 16: Upgrade Cost $2,200,000, Upgrade Time 04:00:00, Prestige 40, Building Time Reduced 44%
Level 17: Upgrade Cost $2,500,000, Upgrade Time 04:00:00, Prestige 45, Building Time Reduced 46%
Level 18: Upgrade Cost $2,750,000, Upgrade Time 04:00:00, Prestige 50, Building Time Reduced 48%
Level 19: Upgrade Cost $3,000,000, Upgrade Time 04:00:00, Prestige 55, Building Time Reduced 50%
Level 20: Upgrade Cost $3,250,000, Upgrade Time 04:00:00, Prestige 60, Building Time Reduced 52%
Level 21: Upgrade Cost $3,500,000, Upgrade Time 04:00:00, Prestige 70, Building Time Reduced 54%
Level 22: Upgrade Cost $3,750,000, Upgrade Time 04:00:00, Prestige 80, Building Time Reduced 56%
Level 23: Upgrade Cost $4,000,000, Upgrade Time 04:00:00, Prestige 90, Building Time Reduced 58%
Level 24: Upgrade Cost $4,250,000, Upgrade Time 04:00:00, Prestige 100, Building Time Reduced 60%
Level 25: Upgrade Cost $4,500,000, Upgrade Time 04:00:00, Prestige 120, Building Time Reduced 62%
Level 26: Upgrade Cost $4,750,000, Upgrade Time 04:00:00, Prestige 140, Building Time Reduced 64%
Level 27: Upgrade Cost $5,000,000, Upgrade Time 04:00:00, Prestige 160, Building Time Reduced 66%
Level 28: Upgrade Cost $5,500,000, Upgrade Time 04:00:00, Prestige 180, Building Time Reduced 68%
Level 29: Upgrade Cost $6,000,000, Upgrade Time 04:00:00, Prestige 200, Building Time Reduced 70%
Level 30: Upgrade Cost $7,000,000, Upgrade Time 04:00:00, Prestige 300, Building Time Reduced 75%
