By Mpho Selepe, Acting Logistics Manager: SPM
Material waste rarely comes from one big mistake. It comes from small decisions that compound over time: an unclear scope, a rushed order, a part stored in the wrong place. On technical sites, these oversights translate into real costs. They slow work down, increase project risk, and erode client trust.
Here are ten of the most common causes of material waste we see on sites — and the practical steps that prevent them.
- 📘 Unconfirmed Scope
When the job isn’t clearly defined, teams order “extra” to cover the gaps. Those items often never get used.
Avoid it: Lock the scope early and confirm quantities with the supervisor before ordering.
- 📑 Incomplete Specifications
A missing cable size, an unclear description, or a rushed request leads to wrong deliveries that can’t be returned.
Avoid it: Include drawings, product codes, and photos in every request.
- 📦 Transport Damage
Electrical components do not handle vibration, heat, or moisture well. Poor packaging turns good stock into waste.
Avoid it: Secure loads properly and use protective packaging suited to the component.
- 🏗️ Poor On-Site Storage
Heat, dust, rain, or direct sun can ruin items before installation.
Avoid it: Set up a clean, dry, protected storage area. Even a temporary canopy helps.
- 🔧 Wrong Tools Used on Components
Forcing a tool or improvising leads to stripped fittings, cracked housings, and wasted material.
Avoid it: Send the correct, calibrated tools for the job and check them before deployment.
- 🔄 Scope Changes Mid-Installation
When the design shifts mid-job, some material becomes irrelevant.
Avoid it: Confirm final designs before procurement and communicate early when changes happen.
- 🔁 No Return Process for Unused Stock
Material gets left in containers until it expires or is damaged.
Avoid it: Run a simple return process and do weekly checks.
- ✂️ Incorrect Cutting or Installation
A wrong cut or crimp turns a usable item into scrap.
Avoid it: Take a few minutes upfront to verify measurements and confirm the method.
- 🗂️ Poor Coordination Between Teams
Two teams ordering the same item, or using each other’s materials, creates avoidable cost.
Avoid it: Centralise requests so logistics has full visibility.
- 📏 Guesswork on Specialised Components
Long-lead or high-value items are expensive to replace if the specs are wrong.
Avoid it: Confirm compatibility with suppliers and measure accurately before ordering.
Material waste is predictable when you know what drives it. Preventing it is not complicated; it’s discipline, communication, and slowing down at the moments that matter. When we manage those moments well, we protect budgets, strengthen client confidence, and keep projects moving without avoidable setbacks.
