diff --git a/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18/rule_18_2.json b/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18/rule_18_2.json
index 9a9fa57a1..ddf74c6d4 100644
--- a/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18/rule_18_2.json
+++ b/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18/rule_18_2.json
@@ -3221,7 +3221,7 @@
                                                     "id": "Preheat Coil 2",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 2",
@@ -3253,7 +3253,7 @@
                                                     "id": "Preheat Coil 3",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 3",
@@ -3436,6 +3436,12 @@
                                                         {
                                                             "id": "System_5_PVAV_HW_Reheat Return Fan"
                                                         }
+                                                    ],
+                                                    "exhaust_fans": [
+                                                        {
+                                                            "id": "lab_sy_exhaust",
+                                                            "design_airflow": 1887.7897727999994
+                                                        }
                                                     ]
                                                 },
                                                 "heating_system": {
@@ -3454,7 +3460,7 @@
                                                     "id": "Preheat Coil 2",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 2",
@@ -3468,12 +3474,6 @@
                                                         {
                                                             "id": "System_5_PVAV_HW_Reheat Return Fan 1"
                                                         }
-                                                    ],
-                                                    "exhaust_fans": [
-                                                        {
-                                                            "id": "lab_sy_exhaust",
-                                                            "design_airflow": 1887.7897727999994
-                                                        }
                                                     ]
                                                 },
                                                 "heating_system": {
@@ -3492,7 +3492,7 @@
                                                     "id": "Preheat Coil 3",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 3",
diff --git a/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18_system_zone_assignment_tcd_master.json b/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18_system_zone_assignment_tcd_master.json
index d44c50051..662c31d39 100644
--- a/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18_system_zone_assignment_tcd_master.json
+++ b/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section18_system_zone_assignment_tcd_master.json
@@ -133186,7 +133186,7 @@
                                                     "id": "Preheat Coil 2",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 2",
@@ -133218,7 +133218,7 @@
                                                     "id": "Preheat Coil 3",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 3",
@@ -133401,6 +133401,12 @@
                                                         {
                                                             "id": "System_5_PVAV_HW_Reheat Return Fan"
                                                         }
+                                                    ],
+                                                    "exhaust_fans": [
+                                                        {
+                                                            "id": "lab_sy_exhaust",
+                                                            "design_airflow": 1887.7897727999994
+                                                        }
                                                     ]
                                                 },
                                                 "heating_system": {
@@ -133419,7 +133425,7 @@
                                                     "id": "Preheat Coil 2",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 2",
@@ -133433,12 +133439,6 @@
                                                         {
                                                             "id": "System_5_PVAV_HW_Reheat Return Fan 1"
                                                         }
-                                                    ],
-                                                    "exhaust_fans": [
-                                                        {
-                                                            "id": "lab_sy_exhaust",
-                                                            "design_airflow": 1887.7897727999994
-                                                        }
                                                     ]
                                                 },
                                                 "heating_system": {
@@ -133457,7 +133457,7 @@
                                                     "id": "Preheat Coil 3",
                                                     "type": "FLUID_LOOP",
                                                     "hot_water_loop": "Boiler Loop 1",
-                                                    "design_capacity": 5861.422222222222
+                                                    "design_capacity": 23445.68888888889
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 3",