AR-EXP-CUMMINS-07-00
Concrete foundations are typically mixed by volume.
•
• The concrete base should extend beyond the genera- tor's "Footprint" by at least 12 Inches (305 mm) on all sides.
• The higher the mounting base is made, the easier the unit will be to work on when performing maintenance, service, or repairs. Typically bases are required to be raised at least 6 inches (153 mm) above floor level. Placing the unit higher than 6 inches sometimes has the advantage of making it easier to change the unit's oil.
• Passing fuel lines and electrical conduit for a "stub-up" through the concrete base is a standard practice of gen-set installers.
Double pedestals provide better access for inspecting for oil or fuel tank leaks.
A double pedestal base allows easier cleaning under most generator's.
•
•
• The generator should be retained to the pedestal base with fasteners that are recommended by the generator set manufacturer.
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Figure 1- Single Pedestal Concrete Mount
Figure 2 - Double Pedestal Concrete Mount

The typical ratio of cement, sand, and aggregate is 1:2:3 with a maximum 4 inch (102 mm) slump and 28 day compressive strength of 2500 psi (173 kPa).

•A generator can typically be mounted to a combustible floor or roof, dependent upon code, however, the sur- face beneath the engine and beyond the engine to a minimum distance of 12 inches (305 mm) must be covered with a non combustible insulation and a mini- mum of 24 gage sheet metal between the insulation

and the generator. See Figure 3.

Figure 3. Combustible Floor and Roof

•Optional vibration isolators beyond those already built in the generator also help reduce transmitted noise, however, it is recommended that one verify that the generator manufacturer recommends the use of an isolator.

•Insulation must be a non-combustible material, typi- cally a Fiberglas mat.

3.VENTILATION

3.1.OUTDOOR INSTALLATIONS - AIR COOLED UNITS

If your generator is expected to be in temperatures lower than -20oF(-29oC) a cold weather package may be required.

The following general rules apply:

•Where strong prevailing winds are anticipated, face the engine end away from the wind.

•Plan the installation carefully to prevent the cooling air vents on the generator from becoming clogged by leaves, grass, snow, etc.

OWNERS MANUAL

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Armstrong World Industries ACUM140, ACUM84, ACUM185, ACUM65, ACUM110 Ventilation Outdoor Installations AIR Cooled Units
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ACUM210, ACUM110, ACUM65, ACUM185, ACUM140 specifications

Armstrong World Industries has established itself as a leader in the design and manufacture of innovative ceiling and wall solutions. Among their notable acoustic ceiling offerings are the ACUM84, ACUM210, ACUM65, ACUM140, and ACUM185 tiles. Each of these products is engineered with distinct features and technologies aimed at enhancing acoustic performance, durability, and aesthetics in various commercial spaces.

The ACUM84 is designed for spaces that prioritize sound absorption and overall acoustic quality. It utilizes advanced sound-dampening technology, making it suitable for environments such as offices, schools, and healthcare facilities. This tile achieves a high Noise Reduction Coefficient (NRC), effectively minimizing sound reverberation, which is essential for maintaining concentration in busy settings.

Similarly, the ACUM210 offers enhanced acoustic properties but with a focus on durability. This tile is constructed with a robust material that is resistant to impact and moisture, making it an excellent choice for high-traffic areas. The fabric-like texture not only adds aesthetic value but also improves its sound-absorbing capabilities, contributing to a quieter environment.

For those seeking a versatile solution, the ACUM65 is an ideal option. This tile is lightweight yet durable, making installation straightforward. Its ecological design ensures minimal environmental impact while providing superior acoustic performance. The ACUM65 is particularly well-suited for retail spaces, where customer experience can be significantly enhanced by better sound control.

ACUM140 is engineered for flexibility and design versatility. With a range of finishes and colors, it allows architects and designers to incorporate acoustic solutions that harmonize with the overall aesthetic of the space. Its high NRC rating ensures a calm auditory environment, making it an excellent fit for restaurants and auditoriums.

Lastly, the ACUM185 combines aesthetics with functionality, offering a sleek design while maintaining outstanding sound absorption capabilities. It meets the demands of contemporary styling without compromising performance. This tile is particularly favored in corporate environments where aesthetics play a crucial role in branding and employee satisfaction.

In conclusion, Armstrong's ACUM product line, including ACUM84, ACUM210, ACUM65, ACUM140, and ACUM185, showcases technologies and characteristics that cater to a variety of applications. With a strong focus on acoustic management, durability, and design versatility, Armstrong continues to provide innovative solutions tailored to the needs of modern commercial spaces.
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