TL;DR: Temperature mapping is a study that measures air temperature at many points across a storage area for several days, to find where it runs warmest and coolest. The EU guidelines on Good Distribution Practice, which the MHRA lists for medicines distributors, say it should be done before a storage area is used, and that…
TL;DR: Ring redundancy is not a yes or no property. It is a number, and the number that matters is not on the switch datasheet, it is in your controller. If the network takes longer to heal than the PLC’s watchdog allows, the line stops anyway. RSTP heals in seconds. MRP guarantees hundreds of milliseconds….
TL;DR: In England, conventionally reared meat chickens may be stocked above 33 kg per square metre, up to 39 kg, only if extra conditions in Schedule 5A of the Welfare of Farmed Animals (England) Regulations 2007 are met. Each broiler house must then keep ammonia below 20 ppm and carbon dioxide below 3,000 ppm at…
TL;DR: Loading bay doors left open between deliveries let cold air in along the floor and push heated air up to the roof. The Carbon Trust lists significant heat loss through doors as a drawback of warm air heating in warehouses, and suggests door interlocks so heating only runs when loading doors are closed. HSE…
TL;DR: Archive storage conditions come down to four agents of deterioration: relative humidity, temperature, light and pollutants. The Archives and Records Association advises a consistent relative humidity between 35% and 60%, cool conditions with gradual rather than sudden change, and notes that light damage is cumulative and cannot be reversed. The Canadian Conservation Institute measures…
TL;DR: Vapour pressure deficit is the difference between how much water vapour the air could hold at its temperature and how much it actually holds. It is calculated from air temperature and relative humidity with two FAO equations, and unlike humidity alone it means the same thing at any temperature. Ohio State University Extension notes…
TL;DR: Overnight baseload is the electricity a building draws at night and at weekends, when it should be close to empty. The UK Business Climate Hub advises checking half-hourly consumption for a high overnight baseload, and the Carbon Trust sets out a simple method using meter readings at closing and opening. A meter shows how…
TL;DR: A standby generator is proven only when it runs, and most of the month it sits still. NHS England’s HTM 06-01 lists flat batteries, cold engines, cold rooms and overload among the commonest reasons generator sets fail, and recommends a monthly test on the building load. Monitoring covers the rest of the month: a…
TL;DR: A building without a building management system usually finds out its heating has failed when the radiators go cold. Plant room monitoring closes that gap with five checks: the boiler or pump panel’s fault contact, flow temperature, return temperature, the room itself and water on the floor. Wireless sensors report each one to a…
TL;DR: Outdoor cabinets hold the controllers, routers and power supplies that keep a site running, and they fail in three ways nobody sees: a door left open, heat building up in summer and condensation forming in winter. Cabinet monitoring watches all three with one sealed sensor per door that also reads temperature and humidity, reporting…