An ems follows a plan do check cycle and is a model

An EMS follows a “Plan, Do, Check” cycle, and is a model that can be
used by a wide range of businesses, from manufacturing facilities to
service industries, delivering a method of maintaining a cycle of continuous
improvement. Many businesses have chosen to adopt an EMS based on
ISO 14001, in order to formalise their management systems and structure
under an internationally recognised framework.
An EMS does not in itself establish additional environmental compliance
requirements or any performance levels, but instead provides the
framework for a business to meet its own environmental goals and
objectives.
Steps to developing a resource efficiency management system
A structured resource efficiency management system consists of a set of
well-planned steps aimed at reducing resource consumption (and
production costs), and increasing productivity.
 Establish organisational position
 Commit resources, formalise policy statement
 Understand your resource use
 Set objectives
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BSBSUS401

BSBSUS401
Implement and monitor environmentally sustainable work practices
 Identify opportunities
 Evaluate business opportunities
 Establish action plan and project measurement criteria
 Implement action plan
 Assess benefits and review future needs
A resource efficiency site assessment procedure (RESA)
A resource efficiency site assessment (RESA) aims to;
 Quantify overall site resource consumption and waste generation
 Identify the activities that use the majority of resources and generate
the majority of waste
 Quantify resource consumption and waste generation for each
significant activity
 Identify opportunities for resource efficiency improvement
 Assess the business-wide resource efficiency impacts, the
implementation cost, and the annual cost savings that would be
achieved from implementing each opportunity
 Prioritise the list of actions to be implemented so that an action plan
can be developed.
The RESA does not include assessment levels. Rather, it is suggested that
for each task included in the RESA you begin with an initial (basic)
assessment and as you progress within each task and through the
assessment and your understanding of resource efficiency at your
premises grows, you should undertake more detailed analysis to revise
your estimates and assumptions.
Basic/initial assessment
This initial assessment level is designed to provide an overview of
resource consumption and waste generation at your premises. A high-level
analysis (for example, a desktop analysis) of the major contributors to
resource consumption and waste generation could be undertaken in order
to assess where resource savings could be made. A basic assessment
should generate a list of potential opportunities to increase resource
efficiency with indicative savings and costs, which require further
investigation. Accuracy of figures would generally be within ± 40%.