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Since 1872.

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Tonnquist assumes linear progression—feasibility first, then planning, then execution. In software, R&D, and even construction, concurrent engineering and agile sprints have proven more resilient. An updated model would replace strict phase-gates with “rolling wave planning” and allow feasibility to continue in parallel with early execution.

: Effectively managing the balance between scope, time, and budget to meet or exceed stakeholder expectations. Latest Updates in Recent Editions

Tonnquist breaks down the execution of a project into sequential, manageable phases:

This article serves three purposes:

Sarah realized she didn't have to choose between Waterfall and Agile. She used traditional milestones for the big-picture goals but allowed her team to use Scrum sprints

project management bo tonnquist pdf upd
IFAT 2026 Building reliable water networks together

VAG and GF – Discover our integrated portfolio at the IFAT 2026
It is for the first time that with VAG and GF two leading companies offering integrated flow solutions from metal and polymer technologies – ranging from the pipeline up to the high-performance valve – are presenting themselves together. A technically fine-tuned portfolio for the water supply and wastewater industry. 

Stand VAG GmbH: C2.451
Stand Georg Fischer: B3, Stand 351/45

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project management bo tonnquist pdf upd
Products VAG BETA® 500 Gate Valve

Everyone knows the BETA® gate valve, which has been synonymous with soft-seated gate valves worldwide since 1968. The new BETA® 500 is now setting standards for the future.

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project management bo tonnquist pdf upd
Products VAG RIKO® Plunger Valve

High-tech control valves made of one single piece body - up to a nominal diameter of DN 2200. VAG offers many RIKO variants and a variety of up to 1,600 cylinder combinations to find the perfect valve for your project.

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Events
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Asia Water Expo & Forum

07.-09.04.2026
Kuala Lumpur Convention Centre, Malaysia

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Live
Oman Energy & Water Exhibition & Conference

23.-25.05.2026
Muscat, Oman

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project management bo tonnquist pdf upd
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