diff --git a/backend/app/db/functions/recommendations_functions.py b/backend/app/db/functions/recommendations_functions.py
index 0a3b7164..51ff59c5 100644
--- a/backend/app/db/functions/recommendations_functions.py
+++ b/backend/app/db/functions/recommendations_functions.py
@@ -176,18 +176,18 @@ def chunked(iterable, size=100):
 
 
 def fast_delete_recommendations(session, chunk):
-    values = ",".join(f"({pid})" for pid in chunk)
+    placeholders = ",".join([f"({i})" for i in range(len(chunk))])
 
     sql = text(f"""
-        WITH ids(property_id) AS (
-            VALUES {values}
-        )
-        DELETE FROM recommendation r
-        USING ids
-        WHERE r.property_id = ids.property_id;
-    """)
+            WITH ids(property_id) AS (
+                VALUES {placeholders}
+            )
+            DELETE FROM recommendation r
+            USING ids
+            WHERE r.property_id = ids.property_id;
+        """)
 
-    session.execute(sql)
+    session.execute(sql, execution_options={"synchronize_session": False})
 
     # Note; we may be able to go even faster like this:
     # def delete_with_temp_table(session, chunk):
@@ -204,6 +204,9 @@ def fast_delete_recommendations(session, chunk):
 
 
 def clear_portfolio(session: Session, portfolio_id: int, batch_size=100):
+    def print_progress(prefix, i, total):
+        print(f"{prefix} ({i}/{total})")
+
     # --------------------------
     # Collect IDs up-front
     # --------------------------
@@ -227,95 +230,130 @@ def clear_portfolio(session: Session, portfolio_id: int, batch_size=100):
         .filter(FundingPackage.plan_id.in_(plan_ids))
     ]
 
-    # --------------------------
-    # Batch deletes with tqdm
-    # --------------------------
+    # ========== BATCH HELPERS ==========
+    def chunked(lst, n):
+        for i in range(0, len(lst), n):
+            yield lst[i:i + n]
 
-    # RecommendationMaterials
-    for chunk in tqdm(chunked(recommendation_ids, batch_size),
-                      total=(len(recommendation_ids) // batch_size) + 1,
-                      desc="Deleting RecommendationMaterials"):
+    # --------------------------
+    # Deleting RecommendationMaterials
+    # --------------------------
+    rm_chunks = list(chunked(recommendation_ids, batch_size))
+    total = len(rm_chunks)
+    for i, chunk in enumerate(rm_chunks, start=1):
+        print_progress("Deleting RecommendationMaterials", i, total)
         session.execute(
             delete(RecommendationMaterials)
             .where(RecommendationMaterials.recommendation_id.in_(chunk))
         )
 
+    # --------------------------
     # PlanRecommendations
-    for chunk in tqdm(chunked(plan_ids, batch_size),
-                      total=(len(plan_ids) // batch_size) + 1,
-                      desc="Deleting PlanRecommendations"):
+    # --------------------------
+    pr_chunks = list(chunked(plan_ids, batch_size))
+    total = len(pr_chunks)
+    for i, chunk in enumerate(pr_chunks, start=1):
+        print_progress("Deleting PlanRecommendations", i, total)
         session.execute(
             delete(PlanRecommendations)
             .where(PlanRecommendations.plan_id.in_(chunk))
         )
 
+    # --------------------------
     # FundingPackageMeasures
-    for chunk in tqdm(chunked(funding_package_ids, batch_size),
-                      total=(len(funding_package_ids) // batch_size) + 1,
-                      desc="Deleting FundingPackageMeasures"):
+    # --------------------------
+    fpm_chunks = list(chunked(funding_package_ids, batch_size))
+    total = len(fpm_chunks)
+    for i, chunk in enumerate(fpm_chunks, start=1):
+        print_progress("Deleting FundingPackageMeasures", i, total)
         session.execute(
             delete(FundingPackageMeasures)
             .where(FundingPackageMeasures.funding_package_id.in_(chunk))
         )
 
-    # FundingPackage
-    for chunk in tqdm(chunked(plan_ids, batch_size),
-                      total=(len(plan_ids) // batch_size) + 1,
-                      desc="Deleting FundingPackages"):
+    # --------------------------
+    # FundingPackages
+    # --------------------------
+    fp_chunks = list(chunked(plan_ids, batch_size))
+    total = len(fp_chunks)
+    for i, chunk in enumerate(fp_chunks, start=1):
+        print_progress("Deleting FundingPackages", i, total)
         session.execute(
             delete(FundingPackage)
             .where(FundingPackage.plan_id.in_(chunk))
         )
 
+    # --------------------------
     # Plans
-    for chunk in tqdm(chunked(plan_ids, batch_size),
-                      total=(len(plan_ids) // batch_size) + 1,
-                      desc="Deleting Plans"):
+    # --------------------------
+    plan_chunks = list(chunked(plan_ids, batch_size))
+    total = len(plan_chunks)
+    for i, chunk in enumerate(plan_chunks, start=1):
+        print_progress("Deleting Plans", i, total)
         session.execute(
             delete(Plan)
             .where(Plan.id.in_(chunk))
         )
 
-    # Scenarios (no chunks needed)
-    tqdm.write("Deleting Scenarios…")
-    session.execute(delete(Scenario).where(Scenario.portfolio_id == portfolio_id))
+    # --------------------------
+    # Scenarios
+    # --------------------------
+    print("Deleting Scenarios…")
+    session.execute(
+        delete(Scenario)
+        .where(Scenario.portfolio_id == portfolio_id)
+    )
 
-    # Recommendations - fast delete
-    for chunk in tqdm(chunked(property_ids, batch_size),
-                      total=(len(property_ids) // batch_size) + 1,
-                      desc="Deleting Recommendations"):
+    # --------------------------
+    # Recommendations (fast delete)
+    # --------------------------
+    rec_chunks = list(chunked(property_ids, batch_size))
+    total = len(rec_chunks)
+    for i, chunk in enumerate(rec_chunks, start=1):
+        print_progress("Deleting Recommendations", i, total)
         fast_delete_recommendations(session, chunk)
 
+    # --------------------------
     # Inspections
-    for chunk in tqdm(chunked(property_ids, batch_size),
-                      total=(len(property_ids) // batch_size) + 1,
-                      desc="Deleting Inspections"):
+    # --------------------------
+    insp_chunks = list(chunked(property_ids, batch_size))
+    total = len(insp_chunks)
+    for i, chunk in enumerate(insp_chunks, start=1):
+        print_progress("Deleting Inspections", i, total)
         session.execute(
             delete(InspectionModel)
             .where(InspectionModel.property_id.in_(chunk))
         )
 
-    # Property-related detail tables
-    tqdm.write("Deleting PropertyTargetsModel…")
+    # --------------------------
+    # PropertyTargetsModel
+    # --------------------------
+    print("Deleting PropertyTargetsModel…")
     session.execute(
         delete(PropertyTargetsModel)
         .where(PropertyTargetsModel.portfolio_id == portfolio_id)
     )
 
-    tqdm.write("Deleting PropertyDetailsEpcModel…")
+    # --------------------------
+    # PropertyDetailsEpcModel
+    # --------------------------
+    print("Deleting PropertyDetailsEpcModel…")
     session.execute(
         delete(PropertyDetailsEpcModel)
         .where(PropertyDetailsEpcModel.portfolio_id == portfolio_id)
     )
 
+    # --------------------------
     # Properties
-    for chunk in tqdm(chunked(property_ids, batch_size),
-                      total=(len(property_ids) // batch_size) + 1,
-                      desc="Deleting Properties"):
+    # --------------------------
+    prop_chunks = list(chunked(property_ids, batch_size))
+    total = len(prop_chunks)
+    for i, chunk in enumerate(prop_chunks, start=1):
+        print_progress("Deleting Properties", i, total)
         session.execute(
             delete(PropertyModel)
             .where(PropertyModel.id.in_(chunk))
         )
 
     session.commit()
-    tqdm.write("Portfolio cleared.")
+    print("Portfolio cleared.")