Slip Sheets Vs Pallets For Labor Cost—how To Model?

December 20, 2025

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To model Slip Sheets vs Pallets for labor cost, don’t overthink it. You’re basically comparing:

Total labor minutes per 1,000 cases moved (or per load) under each method.

Then convert minutes → dollars.

Below is a clean, plant-friendly model you can run in Excel/Sheets in 15 minutes.

Step 1: Pick your unit of comparison

Use one of these (don’t mix them):

Per palletized load (best for shipping)
Per 1,000 cases (best for volume normalization)
Per truckload/container (best for freight + dock time)

I recommend Per Truckload and Per 1,000 Cases.

Step 2: Map the process steps (labor touches)

You’re measuring labor, so model the touches.

Pallets (typical flow)

Stage empty pallets
Build/load pallet (cases placed)
Add top sheet/tier sheets if used
Wrap/strap
Move to dock
Load trailer
Receiver unload + put-away (often not your labor, but matters if you’re modeling total supply chain labor)

Slip sheets (typical flow)

Stage slip sheets
Build/load unit on slip sheet
Wrap/strap
Move to dock
Load trailer
Receiver unload using push/pull (time may differ)

Key difference: pallets have “pallet handling” labor (moving/staging pallets, dealing with broken pallets, pallet disposal/returns). Slip sheets trade that for push/pull handling.

Step 3: Define your labor inputs (what you actually measure)

You only need a few variables to get a reliable model.

Core variables (use these in your sheet)

A) Labor rate (loaded)

$/hour fully loaded (wages + burden).
Example: $28/hr, $35/hr, whatever your real number is.

B) Handling time per unit (minutes)
Measure these with a stopwatch for 10 reps and average:

Pallet method

Minutes to stage 1 empty pallet (or per pallet built)
Minutes to wrap/secure 1 pallet (manual or machine)
Forklift minutes to move 1 pallet from build → dock
Forklift minutes to load 1 pallet into trailer

Slip sheet method

Minutes to stage 1 slip sheet (usually tiny)
Minutes to wrap/secure 1 slip-sheet load
Forklift minutes to move 1 unit to dock
Forklift minutes to load into trailer
(If you unload internally) push/pull minutes per unit

C) Volume variables

Cases per pallet (pallet method)
Cases per slip-sheet unit (slip sheet method)
Units per truckload
Loads per week/month

Step 4: Build the model (simple formulas)

1) Convert labor rate to $/minute

$/minute = LaborRatePerHour / 60

Example: $30/hr ÷ 60 = $0.50/min

2) Pallet labor minutes per truckload

PalletMinutes = UnitsPerTL × (StagePallet + Wrap + MoveToDock + LoadTrailer)
(Each input in minutes)

Then:
PalletLaborCost = PalletMinutes × $/minute

3) Slip sheet labor minutes per truckload

SlipMinutes = UnitsPerTL × (StageSlip + Wrap + MoveToDock + LoadTrailer + (PushPullUnload if applicable))

Then:
SlipLaborCost = SlipMinutes × $/minute

4) Normalize to cost per 1,000 cases

CostPer1kCases = (TotalLaborCostPerTL / CasesPerTL) × 1000

This lets you compare apples-to-apples even if slip sheets change how many cases fit per load.

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Step 5: Add the “real world” labor adjustments (the stuff that swings results)

These are the big swing factors that make slip sheets win or lose.

Adjustment #1: Pallet handling overhead

Add a line for pallet overhead minutes/cost:

time spent receiving pallets
time spent sorting/repairing broken pallets
time spent clearing nails/splinters
time spent dealing with pallet stack storage
time spent on pallet disposal or returns

Even if you can’t measure perfectly, estimate a monthly hour figure.

PalletOverheadCost = OverheadHoursPerMonth × LaborRatePerHour

Allocate that over cases shipped:
Overhead per 1,000 cases = (MonthlyOverheadCost / MonthlyCases) × 1000

Adjustment #2: Dock delay / detention risk

Slip sheets can increase unload time if receivers aren’t equipped or trained.

Model this as expected value:

ExpectedDetentionCost = ProbabilityOfDelay × AverageDelayHours × DetentionRatePerHour

That might be $0 for internal DCs, and meaningful for certain customers.

Adjustment #3: Training + learning curve

Slip sheets often have a short learning curve.

Model it as a one-time cost amortized over months:

TrainingCost = TrainingHours × LaborRatePerHour
Amortize:
MonthlyTrainingCost = TrainingCost / MonthsToAmortize

Adjustment #4: Equipment cost (push/pull attachment)

Not labor, but it changes labor minutes.

You can model it separately or roll it into “cost per 1,000 cases.”

MonthlyEquipCost = (AttachmentCost / UsefulLifeMonths) + MaintenancePerMonth

If the push/pull saves labor minutes, it often pays back fast.

Step 6: Create your output summary (what you present to leadership)

In one table, show:

Labor cost per truckload (pallet vs slip)
Labor cost per 1,000 cases (pallet vs slip)
Sensitivity: what happens if push/pull is 20% slower/faster
Sensitivity: what happens if cases per load increases 5–10% with slip sheets

The two questions your model must answer

Does slip-sheeting reduce labor cost per 1,000 cases?
Does it reduce total cost per 1,000 cases after detention/training/equipment?

If the answer is yes on both, it’s a green light.