diff --git a/sbnd_calibration_database.md b/sbnd_calibration_database.md
index 47816b02a..f1cf1455e 100644
--- a/sbnd_calibration_database.md
+++ b/sbnd_calibration_database.md
@@ -59,6 +59,27 @@ This section displays a list of the variables in the database, as well as their
 
 \* More information on DocDB 35489 (slide 13).
 
+
+### tpc_elifetime_data
+- Folder description: This folder contains electron lifetime data
+- Channel number: No meaning
+- Number of rows: 1 for each merged run
+    - When filling the folder, `__iov_id` should be 1000000000 + first_run_of_merged
+- Suggested table structure
+
+| Variable Name | Type | Description | Unit |
+| ------------- | ---- | ----------- | ---- |
+| channel | integer | No meaning | N/A |
+| merged_run_idx | integer | index for merge runs | N/A |
+| first_run_of_merged | integer | first run of the merged runs | N/A |
+| last_run_of_merged | integer | last run of the merged runs | N/A |
+| etau_sce_spatial_east | real | East TPC electron lifetime after spatial SCE correction | ms |
+| etau_sce_spatial_east_p_1sig | real | plus one sigma error of East TPC electron lifetime after spatial SCE correction | ms |
+| etau_sce_spatial_east_m_1sig | real | mimus one sigma error of East TPC electron lifetime after spatial SCE correction | ms |
+| etau_sce_spatial_west | real | West TPC electron lifetime after spatial SCE correction | ms |
+| etau_sce_spatial_west_p_1sig | real | plus one sigma error of	West TPC electron lifetime after spatial SCE correction | ms |
+| etau_sce_spatial_west_m_1sig | real | minus one sigma error of West TPC electron lifetime after spatial SCE correction | ms |
+
 ### tpc_globalconstants
 - Folder description: This folder contains non-channel specific information
 - Channel number: No meaning