How to Compare Drainage Quotations Spec-for-Spec
Two suppliers can price the same bill of quantities and produce totals that are not comparable at all. The difference
October 29, 2026
Two suppliers can price the same bill of quantities and produce totals that are not comparable at all. The difference
Some drainage positions are specified by size and outlet. Stainless steel drainage positions are usually specified by environment first: the
A point drain collects water at a single spot. A trench drain collects it along a line — across a
Most roof leaks that get blamed on waterproofing membranes actually start at a penetration — and the most common penetration
A floor drain is a small line on a drawing, but it carries three decisions that are awkward to change
Most drainage problems on a project are decided long before anything is installed — they are decided in the bill
