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Worked examples, design guidance, and explainers for hydraulic engineers — written for working P.E.s who want the calculation behind the recommendation.

Pump vibration: what's normal, what's a warning, and how to diagnose

Air valves on force mains: when to use which type, where to put them

Pump startup and commissioning: the field checklist that prevents day-1 failures

Energy cost of pump operation: the simple equation that justifies upgrades

Pipe roughness and aging: how the Hazen-Williams C-factor changes over decades

Pump foundation and grouting: the structural work that determines vibration life

Pulsation control: when centrifugals don't pulsate, what does, and how to mitigate

Fire pump design: NFPA 20 fundamentals for water-based fire protection

Irrigation pump system design: agricultural and turf-irrigation fundamentals

Dewatering pumps: temporary and permanent water control for construction and mining

Magnetic-drive (sealless) pumps: when to use them, how they fail, what they cost

Pump testing and acceptance: HI 14.6 levels and what they mean for buyers

VFD harmonics on pump installations: what they are, when they hurt, how to mitigate

Cooling tower condenser-water pumps: the HVAC pump that runs more than any other

Slurry pumps: handling solids without destroying the impeller in 6 months

Axial-flow (propeller) pumps: high flow, low head, completely different design rules

Condensate return pumps: small pumps that run forever in horrible conditions

Deep well pump installation: vertical-turbine vs. submersible decision + sizing

Reciprocating positive-displacement pumps: when piston pumps beat centrifugals

Pump room layout: clearances, drainage, ventilation, and the things that make service possible