Engineering advanced pipeline systems.

JJ-One Engineering designs, delivers and maintains buried HDPE, steel, high-temperature and hydrogen pipelines for serious operators across Canada.

Pipeline Engineering · Canada
Our principle

Engineering excellence,
drawn line by line.

We design pipelines the way they should be built — with senior hands on every drawing, conservative margins where they matter, and discipline where shortcuts fail. Three pillars hold the practice together.

Pipeline Design

FEED through detailed engineering — hydraulics, materials, stress.

3D Modelling

Coordinated 3D layouts with clash detection and constructability review.

Structural Analysis

Stress, support and seismic design under CSA and ASME codes.

Company values

Built on the things that don't bend.

01

Cost Efficiency

Engineered routes and material choices that reduce lifecycle cost without compromising integrity.

02

Safety Standards

CSA Z662, ASME B31 and operator-specific procedures designed in — never bolted on after the fact.

03

Infrastructure Reliability

Conservative design margins, peer-reviewed calculations and integrity programs that earn long service life.

What we offer

OUR BEST SERVICES.

Facilities Stress Analysis

Ensuring Pipeline Integrity Under Every Load Condition

01

Pipeline Stress Analysis

Ensuring pipeline integrity and safety under all operational pressure conditions

02

Pipeline and Facility Integrity Assessment

Ensuring long-term integrity and safety across pipelines and critical facility systems

03

Vessels and Fittings

Ensuring durability and performance of vessels and fittings under demanding conditions

04

Machinery

Optimizing machinery reliability, safety, and efficiency through precision analysis and design

05

Engineering Specifications Development

Developing precise engineering specifications to ensure quality, safety, and compliance standards

06

Compliance · Coverage

Regulatory Approvals & Project Footprint.

We operate across multiple provinces with full regulatory compliance and proven project experience.

AB

Alberta

AER · CSA Z662

ON

Ontario

TSSA · CSA

BC

British Columbia

BCOGC · CSA

25+

Approved Projects

06

Provinces Served

100%

CSA & ASME Compliance

20 yrs

Operating Record
Completed projects

Lines we've put in the ground.

NPS 30 HDPE BURIED WATER LINE

NPS 8 BURIED STEEL HOT LINE OPERATING AT 95°C

NPS 12 BURIED STEEL HYDROGEN PIPELINE

NPS 12 BURIED STEEL HYDROGEN PIPELINE