Name the wall and the water effect separately
Identify whether the drawing shows an elevated spa overflowing into the pool, a connection at a similar level or a separately supplied waterfall outlet. Label the spa boundary, the water path and any manufactured component rather than calling all three a “spa wall.”
Names such as bridge, stacked or reflection spillway may describe an appearance without specifying the complete design. Ask what the proposed detail actually consists of and which product, if any, is being selected. Keep the descriptive name beside the section and system information.
Review where water is supplied and where it spills
For an elevated spillover arrangement, distinguish the pumped supply from the visible fall into the pool. Pentair’s IntelliCenter guide describes one pool/spa spillway mode in which pool water is directed to the spa and then spills back into the pool. This is a manufacturer example, not the configuration for every pool/spa.
Have the proposed diagram identify water levels, supply and return paths and the equipment serving each mode. Do not assume that a spa spills whenever it is in use or that a visually similar installation has the same plumbing. Keep the example separate from the actual selected controller and design.
Define the functions the owner will actually use
List the requested pool, spa, spillover and any separate waterfall functions. Ask which may run together, which are alternatives and what equipment is shared. Identify the intended control names and handover demonstration for the actual installed system.
Jandy’s explanation of diverter valves shows that flow can be directed or split. That does not provide the correct setting for your installation. The responsible installer should establish the modes and instructions; do not experiment with valves, pump settings or heater operation to reproduce an online water effect.
Resolve the wall and finish interfaces before adding the effect
Show the spill opening or outlet on the same detail as the spa wall, coping, tile and adjacent finish. For a remodel, identify what remains and what is affected by the change. Ask how the proposed detail connects to the existing shell and selected surface system.
A manufactured rain or sheet effect and an open overflow edge are not interchangeable design descriptions. Review the actual water pattern and receiving area with the intended operation. Coordinate any opening or pipe with the structural design rather than cutting a finished wall to suit a product later.
Keep appearance separate from bathing readiness and care
A running spillway does not prove the water is ready for bathing or that the system has no maintenance needs. CDC notes that clean-looking water can still contain germs. Keep the spa and pool operating/care instructions with the selected equipment and finish information.
Identify access for cleaning the detail and servicing its installed components, and who will provide ongoing care. CPR’s construction or remodeling scope does not imply routine spa service. For a remodel, confirm the included startup and care handover for that work rather than assuming the new-pool two-week arrangement applies.
Compare the whole proposed connection
Include the wall detail, actual outlet or overflow, system work, controls, affected surfaces and handover responsibilities in the proposal. Mark choices that still need assessment. Compare the complete package rather than a name or photograph of an attractive spillway.
Discuss availability and suitability within the proposed CPR project. Keep the accepted drawing, products and changes in writing. Include the applicable review responsibilities and the owner’s ongoing care arrangements; confirm the requested spa work within the project scope.