The Business Case for Reusable Load Containment: Safety, Labor, and Waste

Introduction: The True Cost of a Temporary Restraint

In a high-volume distribution center, small repetitive tasks can become significant operational expenses.

Employees may repeatedly apply bungee cords, wrap products with strapping, apply adhesive tape, cut away restraints, collect discarded materials, and prepare carts or nesting racks for their next use.

Each individual task may take only a short time. However, when the same process is repeated across hundreds of loads, multiple shifts, and several facilities, the cumulative use of labor and consumable materials can become worth investigating.

This raises an important question: Would an engineered, reusable load-containment system provide a better combination of safety, workflow consistency, and lifecycle cost for a particular application?

The answer depends on the current process, the alternative being considered, and the actual operating conditions. Reusable equipment is not automatically less expensive, and potential savings should never be assumed without supporting data.

EZAIZAI LLC and 2KSteel encourage distribution centers, warehouses, and industrial operators to evaluate load containment as both a safety consideration and an operational cost decision.

1. Identify the Costs of Your Current Load-Securement Process

The first step is to understand what the existing process costs.

Many facilities track the purchase price of consumables but do not separately measure the labor involved in applying, removing, and disposing of temporary restraints.

A complete assessment should consider five cost categories.

A. Consumable Materials

Record the cost of bungee cords, disposable strapping, tape, and other materials used specifically for the load-containment task being evaluated.

Determine how many units are consumed per day, week, or year.

Do not include materials that would still be required for unrelated packaging or shipping activities.

B. Employee Labor

Measure the time employees spend performing restraint-related activities, including:

• Applying restraints to loaded equipment.
• Removing restraints during unloading.
• Cutting tape or strapping where required.
• Collecting and disposing of used materials.
• Locating or replacing misplaced restraints.

The goal is to measure the time associated with the specific process, not to assume that all of an employee's time can be eliminated.

C. Waste Handling and Disposal

Determine whether discarded restraints create identifiable collection, handling, or disposal costs.

If waste is managed as part of a larger facility-wide process, use a reasonable allocation method and document the assumptions.

D. Tools, Replacement, and Maintenance

Include relevant costs for cutting tools and other supplies associated with the current method. Also account for damaged or lost reusable restraints where applicable.

For the proposed system, include inspections, maintenance, replacement components, and other ongoing requirements.

E. Documented Operational Losses

Where reliable records exist, consider product damage, rework, interruptions, and other expenses associated with the load-containment problem.

These costs should be included only when a reasonable connection to the existing process can be established. Avoid assigning a speculative monetary value to injuries or assuming that a new restraint system will eliminate incidents.

2. Calculate the Annual Cost of Temporary Restraints

A simple cost model can provide a useful starting point.

The annual cost of the current process can be estimated as:

C_current = C_materials + C_labor + C_disposal + C_tools + C_other

Each component should reflect the same period, typically one year.

To calculate the annual labor cost associated with restraint handling:

C_labor = (N × T × W) ÷ 60

Where:

• N = number of restraint-handling cycles per year
• T = total labor minutes per cycle
• W = loaded labor cost per hour

The loaded labor cost should reflect the labor-cost basis used by the facility, including applicable payroll-related expenses if those are part of its standard calculations.

Illustrative Example

Consider a hypothetical distribution center that processes 300 restraint-handling cycles per day, operates 250 days per year, and spends a total of 1.5 minutes per cycle applying and removing temporary restraints. Assume a loaded labor cost of $28 per hour.

Input	Illustrative Value
Cycles per day	300
Operating days per year	250
Labor per cycle	1.5 minutes
Loaded labor cost	$28/hour
Annual cycles	75,000
Annual labor hours	1,875
Annual restraint labor cost	$52,500

This example represents the calculated cost of the existing restraint-related labor under the stated assumptions. It is not a prediction of savings from a reusable system.

The amount that could actually be avoided depends on which tasks the alternative eliminates, which tasks remain, and whether the released labor time can be used productively elsewhere.

3. Estimate the Cost of a Reusable Load-Containment System

A fair comparison must include the full cost of implementing and operating the alternative.

Cost Category	What to Include
Acquisition	Purchase price of the required systems
Installation	Installation labor and associated expenses
Engineering review	Applicable evaluation, design, or approval costs
Implementation	Employee training and procedure updates
Inspection	Labor and resources needed for required checks
Maintenance	Servicing, repairs, and replacement components
Replacement	Expected system or component replacement over time
Ongoing operations	Any new recurring tasks introduced by the system

For compatible Nestainer nesting-rack applications, EZAIZAI LLC and 2KSteel offer two cable-based load-containment concepts:

• Cable Enclosure System (CES): Intended to provide containment at the opening of a compatible rack.
• Internal Cable System (ICS): Intended to provide a cable barrier inside a compatible rack.

A cost comparison based on an incompatible system or an unverified installation assumption will not produce a reliable business case.

4. Calculate Potential Annual Operating Savings

After establishing the current annual cost, estimate which costs could change if the facility implements a suitable reusable system.

The calculation should distinguish between:

• Costs that are expected to disappear.
• Costs that will decrease but remain.
• New costs introduced by the alternative.
• Costs that are unchanged.

The estimated annual net operating benefit:

B_annual = C_avoided − C_new recurring

Here, C_avoided represents costs actually eliminated or reduced by the change, while C_new recurring represents the additional annual operating costs of the reusable system.

For labor, do not automatically count every minute saved as a cash saving. If employees remain on the same payroll, the benefit may instead be additional productive capacity, reduced overtime, or the ability to handle greater throughput without adding labor.

5. Understand Payback Period and Return on Investment

Simple Payback Period

Payback period = Initial investment ÷ Annual net operating benefit

The result is expressed in years when annual costs and benefits are used. This calculation is a simplified measure—it does not account for the time value of money, changes in future operating costs, or benefits and costs that vary over time.

Return on Investment

For a defined evaluation period:

ROI = (Net benefit ÷ Total investment and costs) × 100%

The numerator and denominator must use a consistent accounting basis and evaluation period. The net benefit should be calculated after subtracting the relevant costs.

Neither measure should be calculated using assumed savings that have not been supported by operational data.

6. Account for Safety and Waste Without Overstating the Benefits

Financial calculations are important, but the business case should not be limited to dollars.

Safety Considerations

Where workers repeatedly cut tape or strapping, an alternative that appropriately replaces that task may reduce exposure to those specific cutting operations.

Where elastic restraints are used, the assessment may consider potential recoil, attachment failure, wear, and entanglement.

However, no system should be presented as eliminating all load-handling hazards. The alternative must be assessed for its own risks, including pinch points, snagging, compatibility, and possible cargo movement.

Incident and near-miss records, task observations, employee feedback, and documented hazard assessments can help determine whether the process has improved.

Waste Considerations

A reusable system may reduce disposable restraint waste if it genuinely displaces materials that would otherwise be consumed.

Facilities can compare:

• The quantity of disposable material used before implementation.
• The amount of material avoided after implementation.
• New maintenance and replacement materials.
• The reusable system's actual service life.
• End-of-life handling and disposal.

7. Measure Results After Implementation

A projected return on investment is only as useful as the assumptions behind it. Actual results should be measured after a suitable alternative has been implemented.

Performance Measure	What to Track
Restraint labor	Time spent applying, releasing, and disposing of restraints
Consumables	Quantity and purchase cost of temporary materials
Waste	Quantity of discarded restraint materials
Workflow	Loading and unloading time for comparable tasks
Maintenance	Inspection time, repairs, and replacement parts
Safety	Relevant hazards, near misses, and incident trends
Cargo handling	Documented shifting, damage, and rework
Employee feedback	Usability, access, and concerns about the new process

If the system is introduced at multiple facilities, evaluate each site's equipment and workflow rather than assuming that the same benefits will occur everywhere.

Conclusion: Make the Business Case With Measured Data

Reusable industrial load containment can be worth evaluating when a facility repeatedly spends labor and materials securing products inside material-handling equipment.

The most credible business case combines three considerations:

1. Safety: Identify the hazards in the current process and evaluate whether the proposed alternative appropriately addresses them.
2. Operations: Measure the time, consumables, waste, and recurring tasks associated with the existing process.
3. Economics: Compare actual avoided costs with acquisition, installation, inspection, maintenance, and replacement costs.

The objective is not to assume that reusable equipment always produces savings. It is to determine whether a particular system provides a defensible operational and financial advantage for a specific application.

Contact EZAIZAI LLC with your rack details, cargo information, current restraint practices, and operational objectives to begin an application-specific discussion.

Important: All potential benefits depend on application suitability and actual operating conditions. This article does not establish product certification, guaranteed safety improvements, or guaranteed cost savings. Confirm equipment compatibility, engineering requirements, installation, and operating limits before implementation.