Julieta Castro Almeida. Garage. April 13th , 2018.
The fastening system is also very important in determining the maximum load capacity of shelving. Light duty wire shelving with tubular steel uprights typically utilizes a plastic collar fastening system. Medium and heavy duty shelving systems utilize a boltless design that incorporates single or double rivets to join the front/side supports to the uprights via the punched holes. Extra heavy duty or high capacity shelving is either bolted or permanently welded together, or may utilize special high strength, boltless fastening systems designed for extra heavy duty applications.
Examples of light duty storage might include storing boxes of clothing, shoes, Christmas decorations, or anything that is less than around 200 pounds. Medium duty shelving ranges anywhere from 300 to 500 pounds and might include heavier boxes, tools, paint cans, automotive fluid containers and typical garage junk. Heavy duty shelving systems range from 500 to 1500 pounds and examples are fertilizer bags, large tools, tool chests, and multiple heavy boxes. Extra heavy duty capacities range from 1500 to 10000 pounds with examples including tire racks, document storage, machine parts, engine blocks, and bulk liquids or solids storage. Anything over 10000 pounds is usually classified as bulk racks or palate racks, and they are typically found in mechanic shops, storerooms or warehouses and have capacities that can exceed 30000 pounds.
It used to cost upward of $4000 to convert a car with an internal combustion engine into an EV. Even an "off the shelf" electric motor will cost more than $800. With a Do It Yourself (DIY) conversion project at home, the whole process is substantially cheaper.
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