Energy conservation and energy efficiency are critical to reducing operating costs. It is critical to ascertain what resources you are using and where it is being used so that we can determine the quickest easiest and most cost effective ways in making savings.
We bench mark the building by carrying out an energy audit. Our audits are based on internationally recognised protocols which identify what to measure; how it is measured and has often it is to be measured.
We carry out three different levels of audit, basic, intermediate and advanced where we are able to identify the appropriate energy efficient measures (EEMS)
We then establish the costs and determine the sequence of implementation .First you “pick the low hanging fruit” you don’t always have to spend a lot of money making changes to the building services.
It is important to reduce demand first and secondly maximise efficiency before installing new systems .Reduction in smaller systems can play a big part in reducing energy consumption of larger systems.
We carry out a financial assessment of each EEM to determine the Pay Back Period .Its energy costs spiral these methods become even more attractive.
Reducing potable water usage and the amount of wastewater flows is very important to municipalities the world over.
Municipalities are now implementing controls and regulating the amount of water use and the water tariffs are increasing annually.
By reducing the use of hot water we reduce the amount of energy used, low flow plumbing fixtures are also considered.
Grey water and Rainwater harvesting systems can be installed to reduce consumption.
We continually monitor the buildings water usage and compare with past readings to see if the reduction strategies are working.
The air conditioning (heating and cooling) of buildings accounts for up to 65% of a building energy use. It is the largest component of energy consumption in buildings.
However, this large expenditure of energy does not always produce a comfortable environment for occupants. Office workers report thermal comfort to be a primary source of dissatisfaction with their buildings.
Physiological and psychological bases for thermal comfort have been studied for over a century and have shown that occupant feedback is imperative for evaluating a buildings comfort performance.
In addition to analysing the building, the air-condition systems and its methods of control and operation we conduct an occupant satisfaction survey.
By bringing the results of these surveys into the analysing of the building we are determine.
The appropriate measures to improve the Thermal Comfort.
INDOOR AIR QUALITY
Good IAQ requires control of contaminants in the air supply .These may come from outside or from sources in the building, which may include processes, equipment, activities, people and materials.
The required ventilation rates are prescribed in the South African Building Regulations. These regulations were updated in 2011 and increased the ventilation rates and minimum air change rate for the space.
Poor IAQ can lead to Sick Building Syndrome which affects occupant health comfort and productivity.
Poor IAQ can result in widespread health impacts including increased allergy and asthma and other infectious diseases. It has been established that poor IAQ can lead to Legionnaires Diseases, Lung cancers and carbon monoxide poisoning.
As well as auditing the IAQ we can assess the ventilation rates to the space and advice on how to achieve the recommended requirements.
Lighting, including daylighting ,plays a crucial role in the quality of the built environment. The right lighting can improve worker productivity, enhance the aesthetic appeal of a space ,improve tenant retention, increase retail sales, facilitate education, and create the desired mood for visitors.
Incorrect lighting can have a negative influence on earth of these issues.
To create high quality lighting you need to ensure that:
- Sufficient light is falling on the surface for the task being performed
- The light is informally distributed over the surface
- Daylighting is maximised to improve lighting
- There are sufficient automatic controls
- Ensure that there is no glare
- Ensure that high efficiency fittings are used
Our occupant survey identifies the tenants problem areas we then take spot measurements of the illuminance levels in the space. These spot measurements are then mathematically combined to determine an estimated to baseline norms for the type of space.
Acoustics performance is normally relegated to a secondary consideration in building design and only comes to the front when there’s a problem.
One of the largest tenants complaints stems from acoustic performance ,this includes both raise and speech related issues.
Acoustic performance requirements are embodied in the types of activities that occupants engage is during their time spent in these spaces.
In most commercial buildings ,all key issues to worker productivity and confidentiality of sensation information, these can be experienced in terms of background noise, annoyance and distraction, speech intelligibility and speech privacy.
Many existing buildings have poor acoustics. To establish the problem we conduct an occupant survey and take the appropriate sound level measurements.
From the problem is identified we can recommend the appropriate changes.