New User???s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete

Words: Dan Kamys

New User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete


An updated edition of Manual 49, User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete, 2nd Edition, is now available in print and online.

Co-published by ASTM International and the National Ready-Mixed Concrete Association, this new edition represents a significant re-write of all portions of the book. It includes 22 comprehensive chapters that explain every aspect of ASTM C94, the "reference standard" for the industry.

ASTM C94 covers the complex subject of ordering, production and delivery of ready-mixed concrete. There have been many changes and improvements to C94 since the first edition of this manual was printed, especially in the technology for production and delivery of concrete. Manual 49 provides tips and advice and has numerical examples, photos and figures to illustrate proper procedures and implications when C94 is cited in project specifications.

Manual 49, User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete, 2nd Edition,is available for $89 USD in print (978-0-8031-7054-4; Stock # MNL49-2ND) or as an e-book (ISBN: 978-0-8031-7055-1; Stock #: MNL49-2ND-EB).

To purchase ASTM publications, search by stock number on www.astm.org, or contact ASTM Customer Relations, 877-909-ASTM; sales@astm.org).

Contractor Tip of the Month: Get Used to the Pain
April 2026

Pain isn’t just negative; it’s a natural part of growing and improving. Instead of seeing pain as a reason to quit, recognize it as a sign you’re making progress. What sets successful people apart is their ability to stay calm and keep going when things g

Damian Lang
Contractor Tip of the Month
Read More
Fechino Files: Diesels Below 32 Degrees
April 2026

I am guessing that if you are reading this, then you experienced the cold, late-January spell that took over most of the country. The cold weather has many effects on the operations of a masonry contractor, from job shutdowns to equipment starting issues,

Steven Fechino
Fechino Files
Read More
Outreach Outlook: Building Momentum Across the Southern Region
April 2026

As April arrives, the pace of our outreach and workforce efforts across the Southern Region reaches a new level of intensity. This is the time of year when our programs, partners, and state collaborators all accelerate at once. SkillsUSA competitions are

Conner Birdsong
Outreach Outlook
Read More
Marvelous Masonry: Elbphilharmonie
April 2026

Most people know the Elbphilharmonie for its glass façade and dramatic roofline. From a distance, that’s what defines the skyline in Hamburg’s HafenCity district. But for masonry contractors and suppliers, the real story starts at the base.

Cass Stern
Marvelous Masonry
Read More