A new pool or outdoor environment usually changes the irrigation around it. Excavation, paving, structures, walls and planting can interrupt existing zones. The objective is to coordinate coverage with the finished property, rather than reconnecting pipes without checking what they now serve.
Review what the existing system can support
Existing irrigation is often concealed and incompletely documented. Valves, water supply, zone condition and surviving components may need to be exposed and tested before the renovation scope is fully known.
Where the proposal uses an allowance, identify which investigation and repair work it covers and how additional work will be handled. Read Allowances, Selections and Change Orders Explained when comparing this part of a proposal.
Divide coverage by plant needs
Turf, shrubs and specialized planting should be grouped into practical hydrozones. Different materials and exposures may need different watering programs.
Use compatible heads and matched precipitation within a zone. Confirm available pressure and flow before finalizing demand, and plan intentional coverage that keeps unnecessary water off buildings, furnishings and hardscape. Where drip components are selected, filtration, pressure regulation and flushing must suit that system.
Coordinate crossings and access
The irrigation layout should follow the finished planting, grading and drainage plan. Consider sleeves below new paving where future crossings are foreseeable, along with access to valves and components that may need service.
A planting bed that receives overspray from a lawn zone may appear covered but still be difficult to manage correctly. The layout and the operating schedule need to work together.
Understand what a smart controller does
Weather-based and soil-moisture-based controllers can adjust watering using site or weather information. EPA WaterSense labeling provides an independent efficiency benchmark for qualifying controllers. It does not replace appropriate design, installation or programming.
The useful question is how the selected controller will be configured for this property, who will have access and who will adjust the schedule as the landscape establishes.
Transition from establishment to ownership
Fresh sod and plants need an establishment program that differs from long-term operation. Adjustments depend on material, season, soil and weather; one fixed schedule should not be treated as suitable for every zone or every stage.
Observe soil moisture, runoff, standing water and missed coverage. Confirm responsibilities for controller adjustments at handoff rather than assuming automatic controls eliminate observation.
Continue with The First Year: Establishing the Finished Landscape and Maintaining Drainage After Construction. Irrigation belongs in the complete property plan; start that discussion.
Primary source: EPA WaterSense.