A pre-acceptance sump-system checklist for basin size and lid, primary and backup pump compatibility, capacity and head, float movement, check valves, discharge piping, supports, freeze and backflow risk, power and protective devices, battery location and age, alarms, generator or water-powered interfaces, test volumes, failure simulation, maintenance access, owner instructions, and documentation before the basement relies on the system.
6 items to check
Equipment should fit, remain stable and serviceable, and operate without float interference, short cycling, sediment blockage, or uncontrolled soil gas where sealing is required.
Selected pumps should deliver required flow at the actual vertical lift and friction conditions rather than relying on zero-head marketing capacity.
Water should leave through an approved route without leaking, freezing, returning to the basin or foundation, damaging neighboring property, or entering a prohibited connection.
Power and energy storage should follow listing and electrical requirements and remain protected from water, corrosion, heat, accidental disconnection, and inaccessible replacement.
Commissioning should demonstrate automatic starts, independent backup operation, alarm notification, no harmful vibration or leakage, and recovery after power or pump failure.
The owner should know how to recognize failure and maintain every component before the next wet event.
Use after primary, battery, water-powered, or redundant sump equipment is installed or replaced and before final payment or reliance during wet weather. Pump selection and discharge must reflect actual inflow, head, power, code, utility, flood, and property conditions. Do not enter unsupported excavations, confined or oxygen-deficient spaces, flooded or sewage-contaminated areas, energized wet areas, visibly unstable structures, or crawlspaces with unknown air, pest, mold, asbestos, or electrical hazards. Do not drill, jack, excavate, open pressurized systems, or alter structural supports without qualified direction.
A pre-concrete interior basement perimeter-drain checklist for slab-cut limits, dust and contamination controls, footing and wall condition, trench depth, pipe type and slope, aggregate and filter materials, wall drainage interface, sump basin connection, radon and vapor-control continuity, utilities, structural restrictions, cleanouts, inspection, test records, photographs, and concrete restoration before the drainage work is permanently covered.
A pre-encapsulation crawlspace drainage checklist for safe access, exterior runoff, crawl grade and low points, groundwater and flood conditions, foundation and pier condition, perimeter drains and sumps, plumbing and HVAC leaks, sewage or pest contamination, discharge, erosion and sediment control, radon planning, inspection, drying, and photographs before a vapor barrier or insulation hides the ground and foundation interfaces.
A pre-repair foundation crack checklist for documenting location, width and pattern, movement indicators, displacement, water entry, soil and drainage context, wall type, prior repairs, nearby openings and loads, urgent safety triggers, structural or geotechnical referral, monitoring, and evidence before sealant, patching, paint, or finish work hides the condition.
A pre-finishing basement moisture checklist for rain and seasonal history, foundation and slab leakage, condensation, plumbing and HVAC sources, exterior grading and drainage, sump and drain behavior, humidity, material condition, mold or odor concerns, drying verification, radon planning, and release criteria before framing, insulation, drywall, flooring, cabinets, or stored contents hide vulnerable surfaces.