Engineering2026-05-27
Floater spacing 101: keeping your HDPE main on the surface
How buoyancy calculations, wave load and anchor plans work together. With a worked DN 800 example.
8 min readRead More
Heartwork Blog
Field notes from the dredge line.
Practical guides, spec deep-dives, and case studies from 20+ years supporting dredging pipeline projects worldwide.
Guide 2026-06-186 min
How to choose between rubber hose and HDPE pipe
A practical decision matrix for every stage of a dredge line — from the ladder to the shore.
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More from the engineering desk
Products2026-05-08
SRH vs DRH: suction hose vs discharge hose
Two words, one letter — very different builds. Here's what changes inside a steel-wire dredge hose and why it matters.
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Logistics2026-04-22
Container loading plans for oversize DN pipe
Open-top vs flat-rack vs bagged floaters — how we squeeze the most volume into every shipment.
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Case Study2026-04-05
River-crossing installations with self-floating hose
The FRH built-in-foam approach vs external floaters — where each one wins.
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Manufacturing2026-03-18
How we test abrasion life at the factory
A look inside our slurry loop rig, hydrostatic test bays and adhesion pull-off records.
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How-to2026-03-02
HDPE butt-fusion field checklist
Twelve items every crew should confirm before joining PE100 dredge pipe in the field.
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