diff --git a/DATA/production/calib/tpc-pedestal.sh b/DATA/production/calib/tpc-pedestal.sh
index cbcf4bd2f..22fbd4392 100755
--- a/DATA/production/calib/tpc-pedestal.sh
+++ b/DATA/production/calib/tpc-pedestal.sh
@@ -21,26 +21,32 @@ HOST=localhost
 QC_CONFIG="components/qc/ANY/any/tpc-pedestal-calib-qcmn?run_type=${RUNTYPE:-}"
 CALIB_CONFIG="TPCCalibPedestal.ADCMin=20"
  
-
-max_events=50
-publish_after=400
-
-if [[ ! -z ${TPC_CALIB_MAX_EVENTS:-} ]]; then
-    max_events=${TPC_CALIB_MAX_EVENTS}
-fi
-
-if [[ ! -z ${TPC_CALIB_PUBLISH_AFTER:-} ]]; then
-    publish_after=${TPC_CALIB_PUBLISH_AFTER}
-fi
-
+# ===| configuration from environment variables |===============================
+max_events=${TPC_CALIB_MAX_EVENTS:-50}
+publish_after=${TPC_CALIB_PUBLISH_AFTER:-400}
+sendToDCS=${TPC_CALIB_SEND_TO_DCS:-1}
+
+# ===| ccdb populator setup |===================================================
+# the production CCDB populator will accept subspecs in this range
+CCDBPRO_SUBSPEC_MIN=0
+CCDBPRO_SUBSPEC_MAX=32767
+CCDBPATHPRO="http://o2-ccdb.internal"
+
+# the DCS CCDB populator will accept subspecs in this range
+CCDBDCS_SUBSPEC_MIN=32768
+CCDBDCS_SUBSPEC_MAX=65535
+CCDBPATHDCS="$DCSCCDBSERVER_PERS"
 
 #################################################################################################################################
 
 
 WORKFLOW=
 add_W o2-dpl-raw-proxy "--dataspec \"$PROXY_INSPEC\" --inject-missing-data --channel-config \"name=readout-proxy,type=pull,method=connect,address=ipc://@tf-builder-pipe-0,transport=shmem,rateLogging=1\"" "" 0
-add_W o2-tpc-calib-pad-raw "--input-spec \"$CALIB_INSPEC\" --publish-after-tfs ${publish_after} --max-events ${max_events} --lanes 36" "${CALIB_CONFIG}"
-add_W o2-calibration-ccdb-populator-workflow "--ccdb-path \"http://o2-ccdb.internal\" " "" 0
+add_W o2-tpc-calib-pad-raw "--input-spec \"$CALIB_INSPEC\" --publish-after-tfs ${publish_after} --max-events ${max_events} --lanes 36 --send-to-dcs-ccdb $sendToDCS" "${CALIB_CONFIG}"
+add_W o2-calibration-ccdb-populator-workflow "--ccdb-path \"$CCDBPATHPRO\"  --sspec-min $CCDBPRO_SUBSPEC_MIN --sspec-max $CCDBPRO_SUBSPEC_MAX" "" 0
+if [[ $sendToDCS -eq 1 ]]; then
+  add_W o2-calibration-ccdb-populator-workflow "--ccdb-path \"$CCDBPATHDCS\"  --sspec-min $CCDBDCS_SUBSPEC_MIN --sspec-max $CCDBDCS_SUBSPEC_MAX  --name-extention dcs" "" 0
+fi
 add_QC_from_apricot "${QC_CONFIG}" "--local --host localhost"
 
 WORKFLOW+="o2-dpl-run ${ARGS_ALL} ${GLOBALDPLOPT}"