diff --git a/topology/Brookhaven National Laboratory/BNL ATLAS Tier1/BNL-ATLAS-OPP_downtime.yaml b/topology/Brookhaven National Laboratory/BNL ATLAS Tier1/BNL-ATLAS-OPP_downtime.yaml
new file mode 100644
index 000000000..bd529e2e1
--- /dev/null
+++ b/topology/Brookhaven National Laboratory/BNL ATLAS Tier1/BNL-ATLAS-OPP_downtime.yaml	
@@ -0,0 +1,22 @@
+- Class: SCHEDULED
+  ID: 1630657310
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:55 +0000
+  ResourceName: BNL_CLOUD
+  Services:
+  - Submit Node
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658688
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_CLOUD
+  Services:
+  - Submit Node
+# ---------------------------------------------------------
diff --git a/topology/Brookhaven National Laboratory/BNL ATLAS Tier1/BNL-ATLAS_downtime.yaml b/topology/Brookhaven National Laboratory/BNL ATLAS Tier1/BNL-ATLAS_downtime.yaml
index 37c8f9d34..c26a14f40 100644
--- a/topology/Brookhaven National Laboratory/BNL ATLAS Tier1/BNL-ATLAS_downtime.yaml	
+++ b/topology/Brookhaven National Laboratory/BNL ATLAS Tier1/BNL-ATLAS_downtime.yaml	
@@ -1236,3 +1236,380 @@
   ResourceName: BNL_ATLAS_SE_GRIDFTP
   Services:
   - WebDAV
+  - Class: SCHEDULED
+  ID: 1630656469
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_1
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656470
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_2
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656471
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_3
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656472
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_4
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656473
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_6
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656474
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_7
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656475
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_8
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656476
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_CVMFS_Squid
+  Services:
+  - Squid
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656477
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_Frontier_Squid
+  Services:
+  - Squid
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656478
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_SE
+  Services:
+  - SRMv2.disk
+  - SRMv2.tape
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656479
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_SE_AWS_East
+  Services:
+  - SRMv2
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656480
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_SE_AWS_West
+  Services:
+  - SRMv2
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656481
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_SE_AWS_West2
+  Services:
+  - SRMv2
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656482
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: BNL_ATLAS_SE_GRIDFTP
+  Services:
+  - WebDAV
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656483
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: lhcmon-bnl
+  Services:
+  - net.perfSONAR.Bandwidth
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656484
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: lhcperfmon-bnl
+  Services:
+  - net.perfSONAR.Latency
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630656485
+  Description: dCache Downtime
+  Severity: Outage
+  StartTime: Oct 31, 2023 14:00 +0000
+  EndTime: Oct 31, 2023 23:00 +0000
+  CreatedTime: Oct 23, 2023 12:54 +0000
+  ResourceName: ps-development
+  Services:
+  - net.perfSONAR.Latency
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658348
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_1
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658349
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_2
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658350
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_3
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658351
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_4
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658352
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_6
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658353
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_7
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658354
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_8
+  Services:
+  - CE
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658355
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_CVMFS_Squid
+  Services:
+  - Squid
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658356
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_Frontier_Squid
+  Services:
+  - Squid
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658357
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_SE
+  Services:
+  - SRMv2.disk
+  - SRMv2.tape
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658358
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_SE_AWS_East
+  Services:
+  - SRMv2
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658359
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_SE_AWS_West
+  Services:
+  - SRMv2
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658360
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_SE_AWS_West2
+  Services:
+  - SRMv2
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658361
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: BNL_ATLAS_SE_GRIDFTP
+  Services:
+  - WebDAV
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658362
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: lhcmon-bnl
+  Services:
+  - net.perfSONAR.Bandwidth
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658363
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: lhcperfmon-bnl
+  Services:
+  - net.perfSONAR.Latency
+# ---------------------------------------------------------
+- Class: SCHEDULED
+  ID: 1630658364
+  Description: Network downtime
+  Severity: Outage
+  StartTime: Dec 19, 2023 11:00 +0000
+  EndTime: Dec 20, 2023 02:00 +0000
+  CreatedTime: Oct 23, 2023 12:57 +0000
+  ResourceName: ps-development
+  Services:
+  - net.perfSONAR.Latency
+# ---------------------------------------------------------
+