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Industrial Services
T.I.E.R.
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We are not equipment manufacturers nor are we exclusive to any one
brand. This benefits our clients by being able to offer the best
brand of equipment for the application, unlike manufacturers, who
attempt to make their equipment "fit" your application.
Technical Industrial Evaluation Report (TIER) Program
The TIER Audit is an evaluation of existing HVAC, dust collection,
ventilation and process equipment in a facility. The goal is to
document the existing conditions, compare these to original design
conditions, and to determine what, if any, changes are needed in
order to maximize system performance, bring the system up to
compliance, improve filtration efficiency, lower maintenance cists,
and extend equipment life. This is an engineering design evaluation
that focuses on ventilation volumes, HVAC systems, make-up air
volumes, hooding, ductwork, collectors, and fans. Budgetary
investment values on recommended equipment and system changes may be
included depending on the process and the suggested solutions. The
TIER Audit consists of an analysis of the following:
Ventilation Requirements
As your ventilation system changes to accommodate increased
production, ventilation needs, or process changes, changes in
airflow are often times required. If your system has not changed,
but airflows are not at design performance levels, having a TIER
Audit performed will help to determine why this is happening and
what corrective measures can be taken to achieve the
design performance.
Dust Collector Capacity
A TIER Audit analyzes the air-to-cloth ratio to determine the
operating limits of the dust collector as compared to industry
standards.
Ductwork
Existing ductwork diameters are measured and documented for the
system. The velocity and static pressure in critical areas are
measured. Cross-sectional areas are calculated to ensure the sizes
are correct for the required air volumes and that minimum transport
velocities are being achieved in the ductwork for the particular
application.
Hoods and Recommended Volumes
The hooding design at pickup points should provide ventilation of
the dust source, while minimizing the amount of product introduced
into the dust collection system. Improperly designed hoods tend to
increase the grain loading beyond what the collector was originally
designed to handle. The Industrial Ventilation Guide recommends
standard design practices for hood
design and volumetric requirements for transfer points. Based on
these practices, specific minimum and maximum volumes are calculated
and compared to required volumes. A TIER Audit recommendation is
then made regarding the system's potential to perform as installed.
Benefits of a TIER Audit
- Provides overview and analysis of existing system.
- Identifies problem areas of the ventilation equipment.
- Makes recommendations for repair or design changes.
- Increases accuracy of planning.
- Makes recommendations for potential increased production.
- Makes recommendations for decreasing emissions and increasing
system efficiency
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