Merge pull request #1196 from pnnl/RCT/JX/Rule5-39

RCT/JX/Rule5-39

rct229/rulesets/ashrae9012019/section5/__init__.py

@@ -39,6 +39,7 @@
     "section5rule35",
     "section5rule36",
     "section5rule37",
+    "section5rule38",
     "section5rule39",
     "section5rule40",
 ]

rct229/rulesets/ashrae9012019/section5/section5rule38.py

@@ -0,0 +1,57 @@
+from rct229.rule_engine.partial_rule_definition import PartialRuleDefinition
+from rct229.rule_engine.ruleset_model_factory import produce_ruleset_model_instance
+from rct229.rulesets.ashrae9012019.ruleset_functions.get_opaque_surface_type import (
+    OpaqueSurfaceType as OST,
+)
+from rct229.rulesets.ashrae9012019.ruleset_functions.get_opaque_surface_type import (
+    get_opaque_surface_type,
+)
+from rct229.utils.jsonpath_utils import find_all
+
+UNDETERMINED_MSG = "It cannot be determined if the ground temperature schedule for the project is representative of the project climate."
+NOT_APPLICABLE_MSG = "A ground temperature schedule was not found for the project."
+
+
+class Section5Rule38(PartialRuleDefinition):
+    """Rule 38 of ASHRAE 90.1-2019 Appendix G Section 5 (Envelope)"""
+
+    def __init__(self):
+        super(Section5Rule38, self).__init__(
+            rmrs_used=produce_ruleset_model_instance(
+                USER=False, BASELINE_0=True, PROPOSED=False
+            ),
+            id="5-38",
+            description="It is acceptable to use either an annual average ground temperature or monthly average ground temperatures for calculation of heat loss through below-grade walls and basement floors.",
+            ruleset_section_title="Envelope",
+            standard_section="Section G3.1-14(b) Building Envelope Modeling Requirements for the Proposed design and Baseline",
+            is_primary_rule=False,
+            required_fields={
+                "$": ["weather"],
+            },
+        )
+
+    def is_applicable(self, context, data=None):
+        rpd = context.BASELINE_0
+        return any(
+            [
+                get_opaque_surface_type(surface_b) == OST.BELOW_GRADE_WALL
+                for surface_b in find_all(
+                    "$.ruleset_model_descriptions[0].buildings[*].building_segments[*].zones["
+                    "*].surfaces[*]",
+                    rpd,
+                )
+            ]
+        )
+
+    def get_calc_vals(self, context, data=None):
+        rpd = context.BASELINE_0
+        ground_temperature_schedule = rpd["weather"].get("ground_temperature_schedule")
+        return {"ground_temperature_schedule": ground_temperature_schedule}
+
+    def applicability_check(self, context, calc_vals, data):
+        ground_temperature_schedule = calc_vals["ground_temperature_schedule"]
+        return ground_temperature_schedule
+
+    def get_manual_check_required_msg(self, context, calc_vals=None, data=None):
+        ground_temperature_schedule = calc_vals["ground_temperature_schedule"]
+        return UNDETERMINED_MSG if ground_temperature_schedule else NOT_APPLICABLE_MSG

rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section5/rule_5_38.json

@@ -177,7 +177,7 @@
         "Rule": 38,
         "Test": "c",
         "test_description": "Project has one building segment with one space that includes floor surfaces adjacent to ground. The RPD does not specify a ground temperature schedule.",
-        "expected_rule_outcome": "fail",
+        "expected_rule_outcome": "undetermined",
         "standard": {
             "rule_id": "5-38",
             "ruleset_reference": "Table G3.1(14) Proposed Building Performance (b)",
@@ -228,8 +228,8 @@
                                                 "surfaces": [
                                                     {
                                                         "id": "Surface 1",
-                                                        "adjacent_to": "EXTERIOR",
-                                                        "tilt": 30,
+                                                        "adjacent_to": "GROUND",
+                                                        "tilt": 120,
                                                         "area": 929.0303999999999
                                                     }
                                                 ]