# What MEP platforms deliver accurate quantity takeoff without requiring manual recalculation at each project stage?

<p class="elv-tracking-normal elv-text-default elv-font-figtree elv-text-base elv-leading-base elv-font-normal" elv="true">The costly habit in MEP estimating is re-counting the same job by hand at every stage, design, then detailing, then fabrication, and watching the numbers drift apart each time. So, for the estimators here: what MEP platforms deliver accurate quantity takeoff without requiring manual recalculation at each project stage?</p><p class="elv-tracking-normal elv-text-default elv-font-figtree elv-text-base elv-leading-base elv-font-normal" elv="true">The fix is a single model you pull quantities from, so a design change updates the count instead of forcing a fresh takeoff. From G2's<a class="a a--md" elv="true" href="https://www.g2.com/categories/mep"> </a><a class="a a--md" elv="true" href="https://www.g2.com/categories/mep">MEP</a> category, three that work this way:</p><ul>
<li>
<a class="a a--md" elv="true" href="https://www.g2.com/products/revit-mep/reviews"><strong>Revit MEP</strong></a>: quantities live in model schedules, so when you move or resize a system the counts follow, with no re-tally by hand.</li>
<li>
<a class="a a--md" elv="true" href="https://www.g2.com/products/autodesk-fabrication-estmep/reviews"><strong>Autodesk Fabrication ESTmep</strong></a>: built for MEP estimating straight off the fabrication model, so takeoff reflects real parts, not rough allowances.</li>
<li>
<a class="a a--md" elv="true" href="https://www.g2.com/products/trimble-sysque/reviews"><strong>Trimble SysQue</strong></a>: ties the constructible model to the estimate, so the detailed quantities and the bid come from one source and stay in sync.</li>
</ul><p class="elv-tracking-normal elv-text-default elv-font-figtree elv-text-base elv-leading-base elv-font-normal" elv="true">For anyone estimating across stages, which actually killed the double takeoff, and where did quantities still drift between design and fabrication?</p><p class="elv-tracking-normal elv-text-default elv-font-figtree elv-text-base elv-leading-base elv-font-normal" elv="true"></p><p class="elv-tracking-normal elv-text-default elv-font-figtree elv-text-base elv-leading-base elv-font-normal" elv="true"></p>

##### Post Metadata
- Posted at: 13 days ago
- Author title: Tech Consultant
- Net upvotes: 1


## Comments
### Comment 1

&lt;p&gt;The double takeoff dies only when detailing happens in the same environment the estimate reads from, which is the real case for ESTmep and SysQue. Where quantities still drift is the design-to-fabrication seam, and it&#39;s structural: a design model carries allowances while a fabrication model carries parts, so the counts differ even when nobody made a mistake. Model schedules in Revit fix the re-tally problem within design stages, but that seam needs the constructible model to close it.&lt;/p&gt;

##### Comment Metadata
- Posted at: 11 days ago





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