Mix ChapterVirtual Carry
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Related Products
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About
Mix Chapter offers an online concrete plan takeoff service for concrete contractors, estimators and other construction professionals. Users submit plans as a vector PDF, DWG or DXF and receive a private link to the takeoff and a quantities CSV. The service estimates concrete quantities by element, reinforcing steel quantities, and concrete masonry unit block and grout counts. Results are shown on the project drawings with calculation details so users can review how quantities were derived. The workflow checks drawing scale against dimensions on the plans and supports estimating and preliminary material planning. Takeoffs are estimates, not bids, and should be reviewed against project documents before materials are ordered. Access is free, with one takeoff per email address every 24 hours and up to three per company email domain each day; no account is required.
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About
Piper is the AI operating system for preconstruction, built for general contractors' pursuit and estimating teams.
Piper connects drawings, specifications, addenda, quotes, estimates and company knowledge so teams can generate scopes, level bids and review risk — with every finding linked back to the drawing, spec clause or addendum it came from.
Scope Generation: turn drawings, specifications, addenda and company standards into source-backed trade scopes, so you know exactly what you are asking each trade to carry.
Bid Leveling: compare subcontractor bids against the intended scope, so the low number does not hide an expensive gap.
Final Bid Review: review the estimate against the project behind it, and focus senior attention on what still deserves judgment.
Survey: turn your company's experience into a repeatable survey that captures what the team learns on every project.
Piper is not a takeoff or estimating calculator, and it does not replace estimator judgment.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Concrete contractors, estimators, construction professionals, and concrete industry chapter members
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Audience
General contractors — preconstruction, pursuit and estimating teams bidding commercial construction projects
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
$0
Free. One takeoff is available per email address every 24 hours; company email domains can request up to three per day across the domain. No account is required.
Free Version
Supported
Free Trial
Not Supported
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationVirtual Carry
United States
mixchapter.com
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Company InformationPiper
United States
piper-ai.com
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Alternatives |
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Categories |
Categories |
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Integrations
No info available.
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Integrations
No info available.
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