Allowance
A placeholder amount for a selection or work item that has not been fully specified. Ask which product, quantity, and installation assumptions support it.
PLAIN-LANGUAGE REFERENCE
Use these definitions to read proposals and ask clearer questions. They explain common terms without replacing project documents, product instructions, local codes, or professional advice.
A placeholder amount for a selection or work item that has not been fully specified. Ask which product, quantity, and installation assumptions support it.
Material placed around a pool structure after it is set or built. The specified material, placement, drainage, and compaction depend on the system and site.
The reinforced upper portion of a concrete pool wall that helps tie the structure together and supports edge details such as coping.
An electrical safety measure connecting conductive components to reduce voltage differences. It is distinct from grounding and requires qualified design and installation.
The finished edge at the top of the pool wall, forming the transition between the pool structure and surrounding deck.
The walkable surface around the pool. Material choice, drainage, slip resistance, movement joints, and connection to coping affect performance.
A pump designed for pool or spa circulation and related functions. Federal energy standards and test procedures apply to covered products.
A water-treatment agent used to control germs. Product instructions and current health guidance govern safe use and testing.
A common test method for measuring disinfectant in pool water. CDC describes DPD kits as more accurate than basic test strips for residential testing.
The planned service area for pumps, filters, heaters, controls, valves, and other components, including required access, drainage, and clearances.
The portion of chlorine available to disinfect water. It is tested separately from combined or total chlorine.
A pneumatically placed concrete process often used for custom pool shells. Proposals should still specify structure, finish, and the complete construction scope.
How water moves through pipes, fittings, valves, equipment, inlets, and outlets. Pipe layout and operating modes influence flow and energy use.
The flexible interior membrane in a vinyl-liner pool system. Fit, fittings, care, and future replacement need product-specific planning.
A traditional term often used for a submerged suction outlet. Safety requirements and system design should be handled by qualified professionals.
A defined project stage sometimes linked to payment. The agreement should state what evidence establishes completion of the milestone.
A measure of how acidic or basic water is. It affects swimmer comfort, equipment, surfaces, and disinfectant performance.
A written closeout list of incomplete or corrective work, with responsibility and target resolution dates.
An opening that returns treated water to the pool. Location and flow form part of the circulation design.
Concrete conveyed through a hose and pneumatically projected into place. The complete pool still depends on design, reinforcement, finishing, and curing practices.
A component that draws water and floating debris from the surface into the circulation system.
The controlled process after filling that begins circulation and establishes water conditions, with procedures depending on the finish and equipment.
A calculated relationship between pool volume and circulation flow. It is not, by itself, proof that every part of the pool is well circulated or water is safe.
A pump that can operate at different motor speeds. Appropriate settings depend on the installed hydraulic system and required functions.
A contractor’s written commitment covering defined installation work. It is separate from manufacturer product warranties.