AMPELITE – Commercial Roofing – AMPELAIR
AMPELAIR A breath of fresh air and comfort all year round
The Building Code of New Zealand sets out minimum ventilation requirements for industrial and commercial premises. However, depending on the building use, this can be less than adequate. It is generally recognised that workplace efficiency is improved when ventilation matches the interior conditions. Extracting oppressively hot air and fumes minimises worker lethargy, loss of concentration, and consequent loss of productivity. Even in colder weather, effective air circulation improves the workplace environment, so your investment works all year.
MAIN BENEFITS
- Wind driven
- Manufactured from Aluminium
- Can be powder coated to any colour to match your roof
- Cost effective
- Available in various sizes 500m, 600m, 900m
Ampelair – Sheeting Information
PLANNING
| Model | Throat | Width | Height | Width | Height |
|---|---|---|---|---|---|
| RV 500 | 500mm | 640mm | 320mm | 750mm | 190mm |
| RV 600 | 600mm | 730mm | 390mm | 800mm | 210mm |
| SV 500 | 600mm | 770mm | 450mm | 900mm | 280mm |
| SV 600 | 900mm | 110mm | 930mm | 1200mm | 390mm |
Vent Capacity Table
| Stack Height (Meters) | Wind Speed (Km/Hr) | Temp Diff (°c) | 150 | 300 | 500 | 600 | 900 |
|---|---|---|---|---|---|---|---|
| 3 | 6 | 6 | 0.04 | 0.15 | 0.35 | 0.61 | 1.62 |
| 12 | 0.04 | 0.16 | 0.36 | 0.63 | 1.67 | ||
| 18 | 0.04 | 0.17 | 0.38 | 0.66 | 1.76 | ||
| 8 | 6 | 0.05 | 0.18 | 0.42 | 0.73 | 1.93 | |
| 12 | 0.05 | 0.18 | 0.43 | 0.74 | 1.96 | ||
| 18 | 0.05 | 0.19 | 0.45 | 0.79 | 2.09 | ||
| 12 | 6 | 0.07 | 0.27 | 0.63 | 1.09 | 2.89 | |
| 12 | 0.07 | 0.28 | 0.64 | 1.11 | 2.94 | ||
| 18 | 0.05 | 0.19 | 0.45 | 0.79 | 2.09 | ||
| 16 | 6 | 0.08 | 0.34 | 0.77 | 1.34 | 3.56 | |
| 12 | 0.09 | 0.34 | 0.79 | 1.38 | 3.66 | ||
| 18 | 0.09 | 0.35 | 0.81 | 1.41 | 3.74 | ||
| 6 | 6 | 6 | 0.04 | 0.16 | 0.36 | 0.63 | 1.67 |
| 12 | 0.05 | 0.19 | 0.42 | 0.73 | 1.94 | ||
| 18 | 0.05 | 0.19 | 0.43 | 0.75 | 1.98 | ||
| 8 | 6 | 0.05 | 0.18 | 0.42 | 0.74 | 1.96 | |
| 12 | 0.05 | 0.19 | 0.44 | 0.76 | 2.03 | ||
| 18 | 0.05 | 0.2 | 0.46 | 0.8 | 2.12 | ||
| 12 | 6 | 0.07 | 0.28 | 0.64 | 1.11 | 2.94 | |
| 12 | 0.07 | 0.29 | 0.66 | 1.14 | 3.03 | ||
| 18 | 0.07 | 0.31 | 0.71 | 1.24 | 3.29 | ||
| 16 | 6 | 0.09 | 0.34 | 0.79 | 1.38 | 3.66 | |
| 12 | 0.09 | 0.35 | 0.81 | 1.41 | 3.75 | ||
| 18 | 0.09 | 0.37 | 0.84 | 1.47 | 3.9 | ||
| 9 | 6 | 6 | 0.04 | 0.17 | 0.38 | 0.66 | 1.76 |
| 12 | 0.05 | 0.18 | 0.43 | 0.75 | 1.99 | ||
| 18 | 0.05 | 0.21 | 0.48 | 0.84 | 2.23 | ||
| 8 | 6 | 0.05 | 0.2 | 0.45 | 0.79 | 2.09 | |
| 12 | 0.05 | 0.21 | 0.46 | 0.8 | 2.12 | ||
| 18 | 0.06 | 0.23 | 0.53 | 0.92 | 2.45 | ||
| 12 | 6 | 0.07 | 0.28 | 0.64 | 1.12 | 2.96 | |
| 12 | 0.08 | 0.3 | 0.71 | 1.24 | 3.29 | ||
| 18 | 0.08 | 0.32 | 0.74 | 1.28 | 3.4 | ||
| 16 | 6 | 0.09 | 0.35 | 0.81 | 1.41 | 3.74 | |
| 12 | 0.09 | 0.37 | 0.84 | 1.47 | 3.9 | ||
| 18 | 0.09 | 0.37 | 0.86 | 1.49 | 3.95 |
AMPELITE – AMPELAIR
INSTALLATION
| Building Type | Reccomended Air Change per Hour |
|---|---|
| Warehouses | 4 to 8 |
| Factories and Workshops | 5 to 8 |
| Gyms Tennis and Squash Courts | 7 to 10 |
| Assembly Halls, Garages | 10 to 15 |
| Toilets | 12 to 15 |
| Laundries | 20 to 40 |
| Stables, Piggeries and Poultry | 20 to 50 |
| Bakeries, Boiler Houses | 30 to 40 |
Number of Vents
Calculations to decide the number of vents.
1. Determine the volume of the building. (Fig. 1)
Volume of section A = 0.5 x L x W x Ha
Volume of section B = L x W x Hb
Total building volume = Volume of section A + Volume of section B
Note: For factories, the combined volume A + B should be used.
Where Volume B is air-conditioned, only Volume A is used to calculate the number of ventilators required. No air should be drawn from the air conditioner space.
Using ventilators in the ceiling space of air-conditioned buildings reduces the load on the air-conditioning plant and helps reduce power consumption.
2. Select the number of ventilators required:
METRIC = V x A/ch
EX/c x 3.6
Where:
- V = volume of building or roof space
- A/ch = air changes per hour
- EX/c = Exhaust capacity of ventilator
Consideration should be given to the space occupied by stored goods or machinery. The adjustment to volume can reduce the number of vents required by up to 50%.
