Where do large-scale layer farms in Pakistan position the standby diesel generator relative to the wind flow and exhaust fans of tunnel sheds?

On modern, automated tunnel-ventilated layer farms in Pakistan, power outages can be fatal if the ventilation system stops. While standby generators are mandatory, their physical placement is a critical engineering decision. Generators must be located completely downwind or perpendicular to the air-intake end of the layer sheds (where the cooling pads are located). This is because a diesel generator under full load releases high volumes of toxic carbon monoxide ($CO$), sulfur dioxide ($SO_2$), and nitrous oxides ($NO_x$). If the generator is placed upstream of the cooling pads, the massive suction force of the tunnel exhaust fans will draw these toxic fumes directly into the shed, causing rapid asphyxiation and mortality of the layers. Furthermore, the heat from the generator must not affect the incoming air temperature. Farmers can read about shed engineering layouts in the Poultry Encyclopedia, purchase heavy-duty silent generators on Poultry Plaza, monitor daily egg rates on Poultry Rates, and list climate-controlled farm assets on Murghi Mandi.