Central control system (WMS) for a chemical warehouse: storage-class rules, quantity limits and put-away checks for hazardous substances

01

Storage sections, co-storage bans and quantity limits inside the WMS

w3logistics describes a project at MC-Bauchemie in which its WMS was adapted to TRGS 510, the German technical rule that applies to storing hazardous substances in transportable containers, including storage and retrieval, transport within the warehouse and removal of released substances, with fire protection and co-storage rules. Storage sections were defined, each with any number of storage locations and its own storage rules; quantity thresholds were set "for each storage class and water hazard class"; a storage bid with a maximum quantity or an explicit storage prohibition could be set per article; individual places could be reserved for certain articles; and rules such as "the ban on storing strong alkalis and acids together" were added. The put-away strategy was extended so that "an error message is issued when manual deposit is attempted and execution is prevented". [1]

UMCO, a consultancy that prepares hazardous substance storage concepts, lists the steps that feed such rules: determining and verifying storage classes, assessing co-storage possibilities, determining further material-specific storage requirements, and checking whether the store needs approval under the Federal Immission Control Act and against the quantity thresholds of the 12th BImSchV (Major Accidents Ordinance). [3]

Give the WMS supplier the product master data you hold (storage class, water hazard class, UN number if transported), the site's permitted storage classes and quantities per section, co-storage rules and exceptions, container types (drums, IBCs, pallets), the automation to be driven (AS/RS, AGVs, conveyors) and its interfaces, how manual moves are confirmed, reports and audit trail needed, and the ERP interface.

02

The hazardous substances register and where the warehouse may store

proLogistik's lexicon entry on hazardous materials warehouses says the store keeper must keep a list of hazardous substances with their designation and classification including hazardous properties, "quantities stored and storage locations". It describes the places TRGS 510 Section 2 allows for storage (buildings, areas or rooms in buildings, outdoor areas, containers and cabinets) and those that are not suitable (traffic and escape routes, break, first-aid and sanitary rooms, and work rooms unless in special safety cabinets), and lists impermeable floors, ventilation, lighting, extinguishing equipment and racks with collision protection that are stable and keep goods from falling. [2]

Editorial note: the register proLogistik describes holds the same three facts a WMS already tracks for each location (what, how much, where), so ask the supplier whether the register can be produced from the WMS at any time instead of being kept by hand. [2] [1]

03

WMS functions to check for a chemical warehouse

04

Chemical WMS order details

Paste it into your enquiry below or into an email to a maker, then replace every bracket.

Products: [count; storage classes; water hazard classes]
Site: [sections; permitted classes; quantity limits]
Rules: [co-storage bans; exceptions]
Automation: [AS/RS; AGVs; conveyors; interfaces]
Operations: [manual moves; scanners; override rights]
Reports: [hazardous substances register; audit trail]
Integration: [ERP]

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