diff --git a/imports/api/ActiveFiresUnion/ActiveFiresUnion.js b/imports/api/ActiveFiresUnion/ActiveFiresUnion.js
new file mode 100644
index 0000000..2437e54
--- /dev/null
+++ b/imports/api/ActiveFiresUnion/ActiveFiresUnion.js
@@ -0,0 +1,71 @@
+/* eslint-disable consistent-return */
+/* eslint-disable import/no-absolute-path */
+
+import { Mongo } from 'meteor/mongo';
+import SimpleSchema from 'simpl-schema';
+import LocationSchema from '/imports/api/Utility/LocationSchema.js';
+import { defaultCreatedAt, defaultUpdateAt } from '/imports/api/Utility/Utils.js';
+
+const ActiveFiresUnion = new Mongo.Collection('activefiresunion', { idGeneration: 'MONGO' });
+
+/* Sample:
+ *
+ * TODO
+ *
+ * */
+
+// We have to store polygons and their centroids
+// {"type":"Polygon","coordinates":[[[-5.8645,43.5524],[-5.8621,43.5524],[-5.8621,43.5546],[-5.8645,43.5546],[-5.8645,43.5524]]]}
+
+ActiveFiresUnion.allow({
+  insert: () => false,
+  update: () => false,
+  remove: () => false
+});
+
+ActiveFiresUnion.deny({
+  insert: () => true,
+  update: () => true,
+  remove: () => true
+});
+
+// https://www.npmjs.com/package/simpl-schema
+const GeoJsonSchema = new SimpleSchema({
+  type: {
+    type: String,
+    allowedValues: ['Polygon']
+  },
+  coordinates: {
+    type: Array
+  },
+  'coordinates.$': {
+    type: Array
+  },
+  'coordinates.$.$': {
+    type: Array
+  },
+  'coordinates.$.$.$': {
+    type: Number
+  }
+});
+
+const firesUnionSchema = {
+  centerid: LocationSchema,
+
+  // https://docs.mongodb.com/manual/reference/geojson/
+  // <field>: { type: <GeoJSON type> , coordinates: <coordinates> }
+  shape: GeoJsonSchema,
+  history: { type: Array, optional: true },
+  'history.$': GeoJsonSchema,
+
+  when: Date, // First date
+
+  createdAt: defaultCreatedAt,
+  updatedAt: defaultUpdateAt
+};
+
+ActiveFiresUnion.schema = new SimpleSchema(firesUnionSchema);
+
+ActiveFiresUnion.attachSchema(ActiveFiresUnion.schema);
+
+export default ActiveFiresUnion;
diff --git a/imports/startup/server/migrations.js b/imports/startup/server/migrations.js
index defc7c1..e3bfac9 100644
--- a/imports/startup/server/migrations.js
+++ b/imports/startup/server/migrations.js
@@ -10,6 +10,7 @@ import FalsePositives from '/imports/api/FalsePositives/FalsePositives';
 import Industries from '/imports/api/Industries/Industries';
 import IndustryRegistries from '/imports/api/Industries/IndustryRegistries';
 import Notifications from '/imports/api/Notifications/Notifications';
+import ActiveFiresUnion from '/imports/api/ActiveFiresUnion/ActiveFiresUnion';
 import { Mongo } from 'meteor/mongo';
 
 Meteor.startup(() => {
@@ -240,6 +241,18 @@ Meteor.startup(() => {
     }
   });
 
+  Migrations.add({
+    version: 18,
+    up: () => {
+      const raw = ActiveFiresUnion.rawCollection();
+      raw.createIndex({ centerid: '2dsphere' });
+      raw.createIndex({ shape: '2dsphere' });
+      raw.createIndex({ when: 1 });
+      raw.createIndex({ createdAt: 1 });
+      raw.createIndex({ updatedAt: 1 });
+    }
+  });
+
   // Set createdAt in users & subs
   Migrations.migrateTo('latest');
 
diff --git a/test/activeFiresUnion.test.js b/test/activeFiresUnion.test.js
new file mode 100644
index 0000000..1a1a52e
--- /dev/null
+++ b/test/activeFiresUnion.test.js
@@ -0,0 +1,29 @@
+/* eslint-env mocha */
+/* eslint-disable func-names, prefer-arrow-callback */
+/* eslint-disable import/no-absolute-path */
+
+import { chai } from 'meteor/practicalmeteor:chai';
+import ActiveFiresUnion from '/imports/api/ActiveFiresUnion/ActiveFiresUnion';
+
+const centerid = { type: 'Point', coordinates: [-5.905956029891968, 43.55727622097011] };
+const shape = { type: 'Polygon', coordinates: [[[-5.9084, 43.5558], [-5.906, 43.5558], [-5.906, 43.5566], [-5.9036, 43.5566], [-5.9036, 43.5583], [-5.9061, 43.5583], [-5.9061, 43.558], [-5.9084, 43.558], [-5.9084, 43.5558]]] };
+const fireUnion = { centerid, shape, when: Date('2018-05-02T16:11:04.617Z') };
+
+describe('activeFireUnion insert', () => {
+  it('should insert fire union', () => {
+    // Remove previous test register
+    const alreadyInserted = ActiveFiresUnion.findOne({ centerid });
+    if (alreadyInserted) {
+      ActiveFiresUnion.remove(alreadyInserted._id);
+    }
+
+    const insertedId = ActiveFiresUnion.insert(fireUnion);
+    ActiveFiresUnion.schema.validate(fireUnion);
+
+    const inserted = ActiveFiresUnion.findOne(insertedId);
+    delete inserted._id;
+    chai.expect(fireUnion).to.deep.equal(inserted);
+    ActiveFiresUnion.remove(insertedId);
+    chai.expect(ActiveFiresUnion.find({ _id: inserted }).count()).equal(0);
+  });
+});