RS/YJ/Rule 19-37

rct229/rulesets/ashrae9012019/section19/__init__.py

@@ -38,6 +38,7 @@
     "section19rule34",
     "section19rule35",
     "section19rule36",
+    "section19rule37",
 ]
 
 

rct229/rulesets/ashrae9012019/section19/section19rule30.py

@@ -16,7 +16,7 @@
 
 
 class Section19Rule30(RuleDefinitionListIndexedBase):
-    """Rule 30 of ASHRAE 90.1-2019 Appendix G Section 19 (Envelope)"""
+    """Rule 30 of ASHRAE 90.1-2019 Appendix G Section 19 (HVAC - General)"""
 
     def __init__(self):
         super(Section19Rule30, self).__init__(

rct229/rulesets/ashrae9012019/section19/section19rule37.py

@@ -0,0 +1,103 @@
+from rct229.rule_engine.partial_rule_definition import PartialRuleDefinition
+from rct229.rule_engine.ruleset_model_factory import produce_ruleset_model_description
+from rct229.schema.schema_enums import SchemaEnums
+
+HEATING_DESIGN_DAY = SchemaEnums.schema_enums["HeatingDesignDayOptions"]
+COOLING_DESIGN_DAY = SchemaEnums.schema_enums["CoolingDesignDayOptions"]
+
+
+class Section19Rule37(PartialRuleDefinition):
+    """Rule 37 of ASHRAE 90.1-2019 Appendix G Section 19 (HVAC - General)"""
+
+    def __init__(self):
+        super(Section19Rule37, self).__init__(
+            rmds_used=produce_ruleset_model_description(
+                USER=False, BASELINE_0=True, PROPOSED=True
+            ),
+            id="19-37",
+            description="Weather conditions used in sizing runs for the 99.6% heating design temperature and 1% dry-bulb and 1% wet-bulb cooling design temperatures are consistent with the site location.",
+            ruleset_section_title="HVAC - General",
+            standard_section="Section G3.1.2.2.1",
+            is_primary_rule=False,
+            required_fields={
+                "$.ruleset_model_descriptions[*]": ["weather"],
+            },
+        )
+
+    def get_calc_vals(self, context, data=None):
+        rpd_b = context.BASELINE_0
+        rpd_p = context.PROPOSED
+
+        weather_b = rpd_b["ruleset_model_descriptions"][0]["weather"]
+        weather_p = rpd_p["ruleset_model_descriptions"][0]["weather"]
+
+        return {
+            "heating_design_day_type_b": weather_b.get(
+                "heating_dry_bulb_temp_design_day_type"
+            ),
+            "cooling_design_day_type_b": weather_b.get(
+                "cooling_dry_bulb_temp_design_day_type"
+            ),
+            "evaporation_wet_bulb_design_day_type_b": weather_b.get(
+                "evaporation_wet_bulb_design_day_type"
+            ),
+            "heating_design_day_type_p": weather_p.get(
+                "heating_dry_bulb_temp_design_day_type"
+            ),
+            "cooling_design_day_type_p": weather_p.get(
+                "cooling_dry_bulb_temp_design_day_type"
+            ),
+            "evaporation_wet_bulb_design_day_type_p": weather_p.get(
+                "evaporation_wet_bulb_design_day_type"
+            ),
+        }
+
+    def applicability_check(self, context, calc_vals, data):
+        heating_design_day_type_p = calc_vals["heating_design_day_type_p"]
+        cooling_design_day_type_p = calc_vals["cooling_design_day_type_p"]
+        evaporation_wet_bulb_design_day_type_p = calc_vals[
+            "evaporation_wet_bulb_design_day_type_p"
+        ]
+
+        return (
+            cooling_design_day_type_p
+            == evaporation_wet_bulb_design_day_type_p
+            == COOLING_DESIGN_DAY.COOLING_1_0
+            and heating_design_day_type_p == HEATING_DESIGN_DAY.HEATING_99_6
+        )
+
+    def get_manual_check_required_msg(self, context, calc_vals=None, data=None):
+        heating_design_day_type_b = calc_vals["heating_design_day_type_b"]
+        cooling_design_day_type_b = calc_vals["cooling_design_day_type_b"]
+        evaporation_wet_bulb_design_day_type_b = calc_vals[
+            "evaporation_wet_bulb_design_day_type_b"
+        ]
+
+        heating_design_day_type_p = calc_vals["heating_design_day_type_p"]
+        cooling_design_day_type_p = calc_vals["cooling_design_day_type_p"]
+        evaporation_wet_bulb_design_day_type_p = calc_vals[
+            "evaporation_wet_bulb_design_day_type_p"
+        ]
+
+        if (
+            cooling_design_day_type_p
+            == evaporation_wet_bulb_design_day_type_p
+            == COOLING_DESIGN_DAY.COOLING_1_0
+            and heating_design_day_type_p == HEATING_DESIGN_DAY.HEATING_99_6
+        ):
+            UNDETERMINED_MSG = (
+                "Check that the actual temperatures used in sizing runs to determine yet to be designed proposed equipment capacities is based on design days developed using 99.6% heating design temperatures and "
+                "1% dry-bulb and 1% wet-bulb cooling design temperatures appropriate for the site location. Note that this rule is only applicable to yet to be designed HVAC systems in the proposed design."
+            )
+        elif (
+            cooling_design_day_type_b
+            == evaporation_wet_bulb_design_day_type_b
+            == COOLING_DESIGN_DAY.COOLING_1_0
+            and heating_design_day_type_b == HEATING_DESIGN_DAY.HEATING_99_6
+        ):
+            UNDETERMINED_MSG = (
+                "Check that the actual temperatures used in sizing runs to determine baseline equipment capacities is based on design days developed using 99.6% heating design temperatures "
+                "and 1% dry-bulb and 1% wet-bulb cooling design temperatures appropriate for the site location."
+            )
+
+        return UNDETERMINED_MSG

rct229/schema/ASHRAE229.schema.json

@@ -1940,10 +1940,25 @@
                 },
                 "cooling_design_day_type": {
                     "description": "The frequency of occurance type for cooling design day",
-                    "$ref": "ASHRAE229.schema.json#/definitions/CoolingDesignDayOptions"
+                    "$ref": "ASHRAE229.schema.json#/definitions/CoolingDesignDayOptions",
+                    "_comment": "This object must be deleted when the schema is updated."
                 },
                 "heating_design_day_type": {
                     "description": "The frequency of occurance type for heating design day",
+                    "$ref": "ASHRAE229.schema.json#/definitions/HeatingDesignDayOptions",
+                    "_comment": "This object must be deleted when the schema is updated."
+                },
+                "cooling_dry_bulb_design_day_type": {
+                    "description": "The frequency of occurance type for cooling design day based on dry-bulb temperature",
+                    "$ref": "ASHRAE229.schema.json#/definitions/CoolingDesignDayOptions"
+                },
+                "evaporation_wet_bulb_design_day_type": {
+                    "description": "The frequency of occurance type for evaporation wet-bulb design day",
+                    "$ref": "ASHRAE229.schema.json#/definitions/CoolingDesignDayOptions",
+                    "notes": "This may also be known as cooling design wet-bulb temperature day type."
+                },
+                "heating_dry_bulb_design_day_type": {
+                    "description": "The frequency of occurance type for heating design day based on dry-bulb temperature",
                     "$ref": "ASHRAE229.schema.json#/definitions/HeatingDesignDayOptions"
                 }
             },