diff --git a/jenkins/client/job/opencontrail/build/generic.yml b/jenkins/client/job/opencontrail/build/generic.yml
index 9643254..19701d6 100644
--- a/jenkins/client/job/opencontrail/build/generic.yml
+++ b/jenkins/client/job/opencontrail/build/generic.yml
@@ -14,6 +14,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.0.3
               upload_source_package: false
               dpdk: contrail_dpdk_2_1
+              build_trigger: ""
             - buildname: oc31
               os: ubuntu
               dist: trusty
@@ -21,6 +22,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.1
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: ""
             - buildname: oc31
               os: ubuntu
               dist: xenial
@@ -28,6 +30,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.1
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: ""
             - buildname: oc311
               os: ubuntu
               dist: trusty
@@ -35,6 +38,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.1.1
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc311
               os: ubuntu
               dist: xenial
@@ -42,6 +46,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.1.1
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc32
               os: ubuntu
               dist: trusty
@@ -49,6 +54,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.2
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: ""
             - buildname: oc32
               os: ubuntu
               dist: xenial
@@ -56,6 +62,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.2
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: ""
             - buildname: oc323
               os: ubuntu
               dist: trusty
@@ -63,6 +70,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.2.3
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc323
               os: ubuntu
               dist: xenial
@@ -70,6 +78,7 @@
               ppa: mirantis-opencontrail/opencontrail-3.2.3
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc40
               os: ubuntu
               dist: trusty
@@ -77,6 +86,7 @@
               ppa: mirantis-opencontrail/opencontrail-4.0
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc40
               os: ubuntu
               dist: xenial
@@ -84,6 +94,7 @@
               ppa: mirantis-opencontrail/opencontrail-4.0
               upload_source_package: true
               dpdk: contrail_dpdk_2_1
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc40-dpdk1702
               os: ubuntu
               dist: trusty
@@ -91,6 +102,7 @@
               ppa: mirantis-opencontrail/opencontrail-4.0-dpdk-17-02
               upload_source_package: false
               dpdk: contrail_dpdk_17_02
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc40-dpdk1702
               os: ubuntu
               dist: xenial
@@ -98,18 +110,21 @@
               ppa: mirantis-opencontrail/opencontrail-4.0-dpdk-17-02
               upload_source_package: false
               dpdk: contrail_dpdk_17_02
+              build_trigger: "H H(20-23) * * *"
             - buildname: oc666
               os: ubuntu
               dist: trusty
               branch: master
               ppa: mirantis-opencontrail/opencontrail-master
               upload_source_package: false
+              build_trigger: ""
             - buildname: oc666
               os: ubuntu
               dist: xenial
               branch: master
               ppa: mirantis-opencontrail/opencontrail-master
               upload_source_package: false
+              build_trigger: ""
           template:
             discard:
              build:
@@ -164,6 +179,8 @@
                 type: boolean
                 default: '{{upload_source_package}}'
             trigger:
+              pollscm:
+                spec: "{{build_trigger}}"
               gerrit:
                 project:
                    contrail/contrail-pipeline: