MEP Change Order Calculator

British Columbia • Lower Mainland List Pricing • NECA 1/2/3 Labour Units • MCAA-Style Disruption Factors
Access Code Enter the 7-character access code provided by MEP Consulting to use this calculator.

1 — Change Order Details

Many small changes disrupt more than their individual value — the ripple compounds.

2 — Direct Work — Material & Labour Takeoff list pricing, no contractor discounts

Quick add common item: Material at Lower Mainland retail/list (Home Depot-style, small quantities). Qty in total feet for "per 100 ft" items.
DescriptionUnitQtyList Mat $/unitNECA 1 hrs/unitExt. Mat $Ext. Hrs

3 — Disruption & Productivity Loss MCAA-style factors on direct labour

Set severity for every factor that applies to THIS change. Percentages are industry-published ranges (Minor / Average / Severe) — the resulting % adds labour hours to the direct work.

4 — Schedule & Crew Impact

Overtime hours to hold schedule (hrs)
Overtime premium multiplier
Standby / idle crew — man-hours waiting
Rework — remove/redo installed work (hrs)
Rework — material written off
Schedule extension (days)
Extended site cost per day (super, truck, trailer)

5 — CO Processing & Administration hours at labour rate

6 — Commercial Terms

Small-order procurement premium on material
Overhead on cost
Profit on cost + overhead
Bond adjustment — $18 per $1,000
Permit revision / re-inspection fee
Permit revision amount
Check your contract — many prime contracts cap CO overhead & profit (commonly 10% + 10% or 15% combined). Disruption factors and schedule costs are separate from OH&P and belong in the CO price.

Change Order Pricing Summary

Disclaimer: Change order pricing tool for BC electrical contractors. Labour from NECA manual units (columns 1/2/3) — change orders are priced at full NECA units, never at discounted base-contract units. Material at Lower Mainland list/retail pricing reflecting small-quantity purchases without contractor discounts. Disruption percentages follow published MCAA-style factor ranges; apply only factors genuinely caused by this change and keep backup documentation. PST (7%) applied to materials; GST (5%) shown on the CO price. Verify OH&P caps and notice requirements in your prime contract before submitting.