diff --git a/maintenance_usage/__init__.py b/maintenance_usage/__init__.py
new file mode 100644
index 00000000..0650744f
--- /dev/null
+++ b/maintenance_usage/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/maintenance_usage/__manifest__.py b/maintenance_usage/__manifest__.py
new file mode 100644
index 00000000..f445d745
--- /dev/null
+++ b/maintenance_usage/__manifest__.py
@@ -0,0 +1,26 @@
+{
+    'name': 'Equipment Usage',
+    'version': '11.0.1.0.0',
+    'author': 'Hibou Corp. <hello@hibou.io>',
+    'category': 'Human Resources',
+    'summary': 'Keep track of usage on different types of equipment.',
+    'description': """
+Equipment Usage
+===============
+
+Keep track of usage on different types of equipment. Adds fields for usage on equipments 
+and descriptive UOM on categories.
+
+Create preventative maintenance requests based on usage.
+""",
+    'website': 'https://hibou.io/',
+    'depends': [
+        'hr_maintenance',
+    ],
+    'data': [
+        'security/ir.model.access.csv',
+        'views/maintenance_views.xml',
+    ],
+    'installable': True,
+    'auto_install': False,
+}
diff --git a/maintenance_usage/models/__init__.py b/maintenance_usage/models/__init__.py
new file mode 100644
index 00000000..12bf298f
--- /dev/null
+++ b/maintenance_usage/models/__init__.py
@@ -0,0 +1 @@
+from . import maintenance
diff --git a/maintenance_usage/models/maintenance.py b/maintenance_usage/models/maintenance.py
new file mode 100644
index 00000000..57d86c9f
--- /dev/null
+++ b/maintenance_usage/models/maintenance.py
@@ -0,0 +1,113 @@
+from math import floor
+from odoo import api, fields, models
+
+
+class MaintenanceEquipmentCategory(models.Model):
+    _inherit = 'maintenance.equipment.category'
+
+    usage_uom_id = fields.Many2one('product.uom', string='Usage UOM')
+
+
+class MaintenanceEquipment(models.Model):
+    _inherit = 'maintenance.equipment'
+
+    employee_id = fields.Many2one(track_visibility=False)
+    department_id = fields.Many2one(track_visibility=False)
+    usage_qty = fields.Float(string='Usage', default=0.0)
+    usage_uom_id = fields.Many2one('product.uom', related='category_id.usage_uom_id')
+    usage_log_ids = fields.One2many('maintenance.usage.log', 'equipment_id', string='Usage')
+    usage_count = fields.Integer(string='Usage Count', compute='_compute_usage_count')
+    maintenance_usage = fields.Float(string='Preventative Usage')
+
+    def _compute_usage_count(self):
+        for equipment in self:
+            equipment.usage_count = len(equipment.usage_log_ids)
+
+    @api.model
+    def create(self, values):
+        record = super(MaintenanceEquipment, self).create(values)
+        # create first usage record
+        record._log_usage()
+        return record
+
+    @api.multi
+    def write(self, values):
+        usage_qty = values.get('usage_qty')
+        employee_id = values.get('employee_id')
+        department_id = values.get('department_id')
+        if any((usage_qty, employee_id, department_id)):
+            for equipment in self:
+                log_values = {}
+
+                if (equipment.usage_qty is not None
+                        and usage_qty is not None
+                        and abs(usage_qty - equipment.usage_qty) > 0.0001):
+                    log_values['qty'] = usage_qty
+                if employee_id != equipment.employee_id.id:
+                    log_values['employee_id'] = employee_id
+                if department_id != equipment.department_id.id:
+                    log_values['department_id'] = department_id
+
+                if log_values:
+                    equipment._log_usage(values=log_values)
+
+        # Check to have the original fields before write.
+        self._check_maintenance_usage(usage_qty)
+
+        result = super(MaintenanceEquipment, self).write(values)
+        return result
+
+    def _log_usage(self, values={}):
+        values['equipment_id'] = self.id
+        values['date'] = fields.Datetime.now()
+        self.env['maintenance.usage.log'].create(values)
+
+    @api.multi
+    def _check_maintenance_usage(self, usage_qty):
+        for e in self.filtered(lambda e: e.maintenance_usage):
+            try:
+                if floor(e.usage_qty / e.maintenance_usage) != floor(usage_qty / e.maintenance_usage):
+                    next_requests = self.env['maintenance.request'].search([('stage_id.done', '=', False),
+                                                                            ('equipment_id', '=', e.id),
+                                                                            ('maintenance_type', '=', 'preventive'),
+                                                                           ])
+                    if not next_requests:
+                        e._create_new_request(fields.Date.today())
+            except TypeError:
+                pass
+
+    def action_open_usage_log(self):
+        for equipment in self:
+            action = self.env.ref('maintenance_usage.maintenance_usage_log_action_reports').read()[0]
+            action['domain'] = [('equipment_id', '=', equipment.id)]
+            action['context'] = {
+                    'default_equipment_id': equipment.id,
+                    'default_employee_id': equipment.employee_id.id,
+                    'default_department_id': equipment.department_id.id,
+                    'default_qty': equipment.usage_qty,
+                }
+            return action
+
+
+class MaintenanceUsageLog(models.Model):
+    _name = 'maintenance.usage.log'
+    _order = 'date DESC'
+    _log_access = False
+
+    date = fields.Datetime(string='Date', default=fields.Datetime.now)
+    equipment_id = fields.Many2one('maintenance.equipment', string='Equipment', required=True)
+    employee_id = fields.Many2one('hr.employee', string='Employee')
+    department_id = fields.Many2one('hr.department', string='Department')
+    qty = fields.Float(string='Quantity')
+    uom_id = fields.Many2one(string='Unit of Measure', related='equipment_id.category_id.usage_uom_id')
+
+    @api.model
+    def create(self, values):
+        equipment = self.env['maintenance.equipment'].browse(values.get('equipment_id'))
+        if not values.get('employee_id'):
+            values['employee_id'] = equipment.employee_id.id
+        if not values.get('department_id'):
+            values['department_id'] = equipment.department_id.id
+        if not values.get('qty'):
+            values['qty'] = equipment.usage_qty
+        return super(MaintenanceUsageLog, self).create(values)
diff --git a/maintenance_usage/security/ir.model.access.csv b/maintenance_usage/security/ir.model.access.csv
new file mode 100644
index 00000000..aea213d8
--- /dev/null
+++ b/maintenance_usage/security/ir.model.access.csv
@@ -0,0 +1,3 @@
+"id","name","model_id:id","group_id:id","perm_read","perm_write","perm_create","perm_unlink"
+"manage_maintenance_usage_log","manage maintenance.usage.log","model_maintenance_usage_log","stock.group_stock_manager",1,1,1,1
+"access_maintenance_usage_log","access maintenance.usage.log","model_maintenance_usage_log","base.group_user",1,0,1,0
\ No newline at end of file
diff --git a/maintenance_usage/tests/__init__.py b/maintenance_usage/tests/__init__.py
new file mode 100644
index 00000000..bd38ce7a
--- /dev/null
+++ b/maintenance_usage/tests/__init__.py
@@ -0,0 +1 @@
+from . import test_maintenance_usage
diff --git a/maintenance_usage/tests/test_maintenance_usage.py b/maintenance_usage/tests/test_maintenance_usage.py
new file mode 100644
index 00000000..d0d9992f
--- /dev/null
+++ b/maintenance_usage/tests/test_maintenance_usage.py
@@ -0,0 +1,43 @@
+from odoo.tests import common
+
+
+class TestMaintenanceUsage(common.TransactionCase):
+    """Tests for usage on creation and update
+    """
+
+    def test_create(self):
+        test_usage = 21.0
+        equipment = self.env['maintenance.equipment'].create({
+            'name': 'Monitor',
+            'usage_qty': test_usage,
+        })
+
+        self.assertTrue(equipment.usage_log_ids)
+        self.assertEqual(equipment.usage_log_ids[0].qty, test_usage)
+
+    def test_update(self):
+        test_usage = 21.0
+        test_usage2 = 50.1
+        equipment = self.env['maintenance.equipment'].create({
+            'name': 'Monitor',
+            'usage_qty': test_usage,
+        })
+        equipment.usage_qty = test_usage2
+        updated_usage = equipment.usage_log_ids.filtered(lambda u: abs(u.qty - test_usage2) < 0.01)
+
+        self.assertTrue(updated_usage)
+        self.assertAlmostEqual(updated_usage[0].qty, test_usage2)
+
+    def test_maintenance_usage(self):
+        test_usage = 21.0
+        test_usage2 = 50.1
+        equipment = self.env['maintenance.equipment'].create({
+            'name': 'Monitor',
+            'usage_qty': test_usage,
+            'maintenance_usage': 20.0,
+            'maintenance_team_id': self.env['maintenance.team'].search([], limit=1).id
+        })
+        self.assertFalse(equipment.maintenance_ids)
+
+        equipment.usage_qty = test_usage2
+        self.assertTrue(equipment.maintenance_ids)
diff --git a/maintenance_usage/views/maintenance_views.xml b/maintenance_usage/views/maintenance_views.xml
new file mode 100644
index 00000000..0899ac92
--- /dev/null
+++ b/maintenance_usage/views/maintenance_views.xml
@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <record model="ir.ui.view" id="hr_equipment_category_view_form_inherited">
+        <field name="name">maintenance.equipment.category.inherited</field>
+        <field name="model">maintenance.equipment.category</field>
+        <field name="inherit_id" ref="maintenance.hr_equipment_category_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='note']" position="before">
+                <group>
+                    <field name="usage_uom_id"/>
+                </group>
+            </xpath>
+        </field>
+    </record>
+
+    <record model="ir.ui.view" id="hr_equipment_view_form_inherited">
+        <field name="name">equipment.form.inherited</field>
+        <field name="model">maintenance.equipment</field>
+        <field name="inherit_id" ref="maintenance.hr_equipment_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//div[@name='button_box']" position="inside">
+                <button name="action_open_usage_log"
+                            type="object"
+                            class="oe_stat_button"
+                            icon="fa-tachometer"
+                            help="show the usage logs for equipment" >
+                    <field string="Usage" name="usage_count" widget="statinfo"/>
+                </button>
+            </xpath>
+            <xpath expr="//field[@name='note']" position="before">
+                <group>
+                    <group name="usage_info" string="Usage">
+                        <label for="usage_qty"/>
+                        <div class="o_row" name="usage">
+                            <field name="usage_qty" nolabel="1"/>
+                            <field name="usage_uom_id" nolabel="1" readonly="1"/>
+                        </div>
+                    </group>
+                </group>
+            </xpath>
+            <xpath expr="//group[@name='maintenance']" position="inside">
+                <field name="maintenance_usage"/>
+            </xpath>
+        </field>
+    </record>
+
+    <!-- maintenance.usage.log : views -->
+    <record id="hr_equipment_usage_log_view_search" model="ir.ui.view">
+        <field name="name">equipment.usage.log.search</field>
+        <field name="model">maintenance.usage.log</field>
+        <field name="arch" type="xml">
+            <search string="Equipment Usage Search">
+                <field name="equipment_id"/>
+                <field name="employee_id"/>
+                <field name="department_id"/>
+                <separator/>
+                <group  expand='0' string='Group by...'>
+                    <filter string='Equipment' domain="[]" context="{'group_by': 'equipment_id'}"/>
+                    <filter string='Employee' domain="[]" context="{'group_by': 'employee_id'}"/>
+                    <filter string='Department' domain="[]" context="{'group_by': 'department_id'}"/>
+                </group>
+            </search>
+        </field>
+    </record>
+
+    <record id="hr_equipment_usage_log_view_form" model="ir.ui.view">
+        <field name="name">equipment.usage.log.form</field>
+        <field name="model">maintenance.usage.log</field>
+        <field name="arch" type="xml">
+            <form string="Equipment Usage Form">
+                <header/>
+                <sheet>
+                    <group>
+                        <group>
+                            <field name="date"/>
+                            <field name="equipment_id"/>
+                            <field name="employee_id"/>
+                            <field name="department_id"/>
+                        </group>
+                        <group name="usage_info" string="Usage">
+                            <label for="qty"/>
+                            <div class="o_row" name="usage">
+                                <field name="qty" nolabel="1"/>
+                                <field name="uom_id" nolabel="1" readonly="1"/>
+                            </div>
+                        </group>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="hr_equipment_usage_log_view_tree" model="ir.ui.view">
+        <field name="name">equipment.usage.log.tree</field>
+        <field name="model">maintenance.usage.log</field>
+        <field name="arch" type="xml">
+            <tree string="Equipment Usage">
+                <field name="date"/>
+                <field name="equipment_id"/>
+                <field name="employee_id"/>
+                <field name="department_id"/>
+                <field name="qty"/>
+                <field name="uom_id"/>
+            </tree>
+        </field>
+    </record>
+
+    <record id="hr_equipment_usage_log_view_graph" model="ir.ui.view">
+        <field name="name">equipment.usage.log.graph</field>
+        <field name="model">maintenance.usage.log</field>
+        <field name="arch" type="xml">
+            <graph string="Equipment Usage">
+                <field name="equipment_id"/>
+                <field name="qty"/>
+            </graph>
+        </field>
+    </record>
+
+    <record id="hr_equipment_usage_log_view_pivot" model="ir.ui.view">
+        <field name="name">equipment.usage.log.pivot</field>
+        <field name="model">maintenance.usage.log</field>
+        <field name="arch" type="xml">
+            <pivot string="Equipment Usage">
+                <field name="equipment_id"/>
+                <field name="qty"/>
+            </pivot>
+        </field>
+    </record>
+
+    <record id="hr_equipment_usage_log_view_calendar" model="ir.ui.view">
+        <field name="name">equipment.usage.log.calendar</field>
+        <field name="model">maintenance.usage.log</field>
+        <field name="arch" type="xml">
+            <calendar date_start="date" color="equipment_id">
+                <field name="equipment_id"/>
+                <field name="qty"/>
+            </calendar>
+        </field>
+    </record>
+
+    <!-- maintenance.usage.log : actions -->
+    <record id="maintenance_usage_log_action_reports" model="ir.actions.act_window">
+        <field name="name">Equipment Usage</field>
+        <field name="res_model">maintenance.usage.log</field>
+        <field name="view_mode">tree,form,graph,pivot,calendar</field>
+        <field name="help" type="html">
+            <p>
+                No usage.
+            </p>
+        </field>
+    </record>
+
+    <menuitem
+        id="maintenance_usage_reporting"
+        action="maintenance_usage_log_action_reports"
+        parent="maintenance.maintenance_reporting"/>
+</odoo>
\ No newline at end of file