Plant Design Press  ·  Montreal, Quebec, Canada

The Pipe
Designer's Legacy

"The craft is not in the rules. It is in the understanding of what the plant needs — and the commitment to give it that, without compromise."

Three Volumes  ·  One Complete Professional Philosophy of Piping and Plant Design

Explore the Series →
3 Volumes
50 Chapters
275K Words
200+ Years of Practice

What This Series Is

The Apprenticeship
Is Gone.

The senior designers are retiring. The knowledge they carried — learned over decades of field walkdowns, shutdowns, and late-night model reviews — is leaving the industry with them.

Junior designers today sit at 3D models they have never seen built, routing lines through plants they have never walked, making decisions they do not yet understand the weight of. Nobody is explaining the reasoning anymore.

"This is the mentorship every pipe designer should have received."

Three volumes. Written by a practitioner, for the practitioners who come next. The mindset, the craft, and the responsibility — the complete arc of a pipe designer's professional life, now in print.

The Three Volumes

The Complete Series

I
Book I — The Weight of Every Line

Volume One

The Weight of Every Line

Thinking Like a Pipe Designer

Before you route a single line — you need to understand what a line means. Book I rebuilds the designer's mindset from the ground up. How to read a P&ID not as a document but as a set of decisions. How to route with judgment, not just geometry. How to see the invisible risks the model never shows. How to design for the operator who will work your plant at 3am, in rain, under pressure.

Seventeen chapters. From the first day in the design office to the day the design failed — and what that failure taught about the weight of every decision made in a design office.

"You are not here to draw lines. You are here to understand why those lines exist."
$44.95 USD Hardcover · 578 pages
Book I — Full Details →
II
Book II — The Plant Decides

Volume Two

The Plant Decides

The Craft of Plant Design

The plant does not care what the drawing shows. It operates on the physics. Book II goes inside the plant's engine room — the fluid behaviour, the equipment requirements, the forces that never rest. Eighteen chapters covering everything from pump suction routing and compressor pulsation to metallurgy, brownfield tie-ins, and the day the physics won.

Every equipment chapter includes the specific routing rules that protect each system — not theory, but the decisions that prevent the failures. Drawn from more than 200 years of accumulated field experience.

"The specification is a floor. The physics sets the ceiling."
$44.95 USD Hardcover · 466 pages
Book II — Full Details →
III
Book III — What You Leave Behind

Volume Three

What You Leave Behind

The Mentor's Final Lessons

What do you do with what you know? Book III addresses the question Books I and II were building toward. Leadership under consequence. Failure analysis. Designing for the forty-year plant. Mentorship as a professional obligation — not a preference. The inheritance every designer leaves, whether they intend to or not.

The last chapter is a single continuous story, written in a running plant, on the morning before the mentor retires. Read it last.

"Give it. All of it. To everyone who is ready to receive it."
$44.95 USD Hardcover · 328 pages
Book III — Full Details →

The Philosophy of the Series

The Pipe Designer's Doctrine

Six statements that define the craft — and the professional obligation behind it.

01
THE PLANT DECIDES.
Not the designer. Not the model. Not the schedule. The plant is governed by physical laws that do not negotiate. Design with them — or they will express themselves through your work without your permission.
02
THE FLUID HAS A PERSONALITY.
It has a temperature, a pressure, a vapour pressure, a tendency to flash or erode or hammer. Know what you are carrying before you design the system that carries it.
03
YOU ARE NOT DRAWING LINES.
Every line you route will be built by someone who trusts your geometry. Operated by someone who trusts your decisions. You are making decisions that other people will live inside.
04
THE FIELD IS TRUTH. THE MODEL IS A PREDICTION.
The model shows what you intended. The field shows what exists. Between intention and existence there is a gap that only field verification closes. Walk the plant. Read the steel.
05
DESIGN IS A MORAL RESPONSIBILITY.
Every drawing you sign is a promise to people you will never meet — the builder who constructs it, the operator who runs it, the technician who works on it at 3am. The plant remembers everything.
06
THE CRAFT SURVIVES ONLY IF IT IS PASSED ON.
The knowledge you carry was given to you by someone who could have kept it. It does not belong to you. Give it. All of it. Without reservation. The chain must not break again.

Readership

Who This Series Is For

The Junior Designer
Years 1 — 5

You were handed a model and told to route — without anyone explaining why the decisions matter or what happens when they are wrong. Book I is where you start.

The Mid-Career Engineer
Years 5 — 15

You can produce drawings but you want to understand the craft behind them — the physics, the field reality, the judgment that separates designers from drafters. Book II is yours.

The Senior Designer
Years 15+

You recognise that what you know is not being passed on. You understand the obligation. Book III addresses the question directly — and does not let you look away from it.

The Organisation
EPC Companies & Training

You want your design teams to think beyond software — to develop the judgment, field awareness, and professional responsibility that no training course teaches. This series is that curriculum.

"

The best advice I can give someone starting out is this: a running plant is like a living organism. It breathes, it moves, it expands, it vibrates. When you begin to see the rhythm of how everything works together, piping design starts to make a lot more sense.

Julius Sult

1936 — 2023

In memory of Julius Sult — who understood that the plant decides,
and gave generously of everything he knew.

About the Author

Paul Muleri

Paul Muleri is a piping and plant designer with decades of experience across oil and gas, petrochemicals, and heavy industry — upstream, midstream, downstream, in greenfield projects, brownfield modifications, and the shutdowns where design decisions reveal themselves.

The Pipe Designer's Legacy was written because the informal apprenticeship that once shaped great designers is disappearing. This series is the attempt to repair it — to put in print what used to pass from senior to junior across a drafting table, in a field walkdown, in the quiet moment when someone leaned over and said: let me show you something.

Drawn from more than 200 years of accumulated field experience — knowledge gathered from the mentors, senior designers, and field engineers who shaped the craft across generations of plant design work — every page carries what was once passed down one conversation at a time.

Publisher

Plant Design Press · Montreal, Quebec, Canada

Available worldwide through IngramSpark distribution

3 Complete volumes covering the full arc of a designer's career
200+ Years of accumulated field experience behind every page
50 Chapters — from the first day to the mentor's final lesson
275K Words — the most comprehensive piping mentorship series in print

Available Now

The Craft
Is Waiting.

Three books. Everything the next generation of pipe designers needs — and everything the senior generation was never given time to pass on. Now in print. Now available worldwide.

Book I — $44.95 Book II — $44.95 Book III — $44.95

Available via IngramSpark · Worldwide Distribution · 40,000+ Retailers & Libraries