Field notes
Rehabilitation
When to rehabilitate a water well, what waiting costs, and how to judge whether brushing, chemical treatment or redevelopment actually worked.
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How to write a well rehabilitation scope of work so the bids come back comparable
Why well rehabilitation bids come back four times apart, and how to write the scope, the bid schedule and the acceptance tests so they…
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Water well rehabilitation methods compared: what each one removes, and what it can break
Brushing, swabbing, jetting, acid, chlorine, impulse and CO2 methods: what each one removes, what it can damage, and how to prove the treatment worked.
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What a water well rehabilitation costs, line by line
What a municipal well rehabilitation costs, from public bid results: the line items, what drives each one, and why two bids 1% apart differ…
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When to rehabilitate a water well — and what waiting costs
Well rehabilitation timing is an economics problem: when a well has plugged far enough, which method suits which fouling, and what waiting costs.