| Design Compliance | Hydraulic design and water-flow calculation | The pump head, flow rate, nozzle layout, pipe diameter, and filtration capacity should be calculated for the actual fountain height and operating sequence. | Stamped or signed hydraulic drawings, pump selection calculations, nozzle specifications, pipe schematic, and a list of design assumptions. | Required | 0–5 |
| Water Display Quality | Jet height and pattern consistency | During a factory or site test, the measured jet height and spray pattern should remain within the agreed project tolerance under stable voltage, water level, and wind conditions. | FAT video or test report showing operating conditions, measured dimensions, nozzle arrangement, and approved reference drawings. | Required | 0–5 |
| Pump Performance | Flow rate, total head, motor power, and operating point | The selected pump should operate near its documented performance curve rather than at an extreme end of the curve. Actual flow and head must match the approved hydraulic calculation. | Manufacturer pump curve, motor nameplate data, efficiency data where available, operating-point calculation, and commissioning measurements. | Required | 0–5 |
| Electrical Safety | Control panel protection, grounding, isolation, and emergency stop | Electrical machinery documentation should address protection against electric shock, overcurrent, short circuit, overload, and unintended restart. IEC 60204-1 or the applicable Chinese equivalent should be considered for machinery electrical equipment. | Single-line diagram, wiring diagram, protection-device list, grounding plan, insulation-resistance test, leakage-current test, and emergency-stop test record. | Required | 0–5 |
| Ingress Protection | Enclosure and underwater equipment IP rating | IP ratings should be selected according to location and exposure. IEC 60529 defines the IP code; the first digit concerns solids and the second digit concerns water protection. The required rating must be stated for each enclosure and fitting. | IP test report or declaration, enclosure datasheet, installation position drawing, cable-entry details, and sealing instructions. | Required | 0–5 |
| Lighting System | LED voltage, power, color consistency, and waterproof construction | The lighting system should use a clearly specified voltage, stable drivers, corrosion-resistant housings, and synchronized control. Color temperature, RGB/RGBW capability, beam angle, and brightness should be defined in the specification. | LED and driver datasheets, photometric information, IP documentation, cable schedule, color-control protocol, and a full-load operating test. | Recommended | 0–5 |
| Materials and Corrosion | Material grade for tanks, pipes, nozzles, fasteners, and brackets | Materials should be selected according to water chemistry, outdoor exposure, and chloride risk. Stainless-steel grade, coating system, gasket material, and galvanic-isolation method should be explicitly stated. | Material certificates, coating specification, surface-treatment process, fastener list, corrosion-protection method, and sample inspection records. | Required | 0–5 |
| Water Treatment | Filtration, water replenishment, drainage, and chemical-control provisions | The system should include accessible filtration and drainage. If chemicals are used, dosing, storage, ventilation, monitoring, and operator-safety procedures must be defined. The design should prevent stagnant water and excessive overflow. | Process-flow diagram, filter specifications, maintenance intervals, water-quality requirements, chemical-safety documentation, and drainage calculation. | Required | 0–5 |
| Energy Consumption | Total connected load and typical operating load | The supplier should provide separate power figures for pumps, lighting, control equipment, filtration, and auxiliary systems. Energy consumption should be calculated for each programmed operating mode. | Load schedule, motor ratings, measured commissioning data, operating-mode table, and estimated annual energy calculation based on planned operating hours. | Recommended | 0–5 |
| Automation and Control | Sequence control, synchronization, fault alarms, and manual override | The control system should support safe startup and shutdown, low-water protection, overload alarms, lighting synchronization, manual operation, and recovery after power interruption. | Control logic description, input/output list, user-interface screenshots, alarm matrix, backup procedure, and demonstration of automatic and manual modes. | Recommended | 0–5 |
| Structural Safety | Tank, support, access, load, and wind-resistance design | The structure should be designed for water load, equipment load, maintenance access, local wind conditions, drainage, and any applicable seismic or building requirements. | Structural calculations, foundation interface drawings, load data, anchor details, maintenance-access plan, and approvals required by the local engineer or authority. | Required | 0–5 |
| Lightning and Surge Protection | Surge-protection devices, bonding, and earthing arrangement | Outdoor fountains should be assessed for lightning and transient overvoltage risk. The protection design should coordinate earthing, bonding, surge protection, and cable routing in accordance with applicable local requirements; GB 50057 is a relevant Chinese lightning-protection reference. | Risk assessment, earthing layout, bonding details, surge-protection specification, test records, and coordination details for power and control lines. | Required | 0–5 |
| Factory Quality Control | Inspection plan and traceability of critical components | Critical items such as pumps, control panels, lights, valves, nozzles, and stainless-steel parts should be traceable to approved specifications and inspection records. | Quality-control plan, incoming-inspection records, production inspection checklist, serial-number records, nonconformance procedure, and calibration certificates for measuring equipment. | Recommended | 0–5 |
| Testing and Acceptance | FAT, SAT, commissioning, and acceptance criteria | Acceptance criteria should be agreed before production and should cover water display, electrical safety, control sequences, lighting, noise, leakage, drainage, alarms, and documentation. | Approved inspection-and-test plan, FAT checklist, SAT checklist, commissioning report, defect list, corrective-action record, and signed acceptance certificate. | Required | 0–5 |
| Noise and Vibration | Noise level, pump vibration, and pipe-support stability | Noise and vibration limits should be defined for nearby public areas and sensitive locations. Measurements should be taken after installation under representative operating conditions. | Noise and vibration test method, measurement locations, instrument details, operating conditions, and corrective-action procedure for excessive vibration. | Verify | 0–5 |
| Installation Capability | Site survey, installation method, commissioning team, and local coordination | The installation plan should cover lifting, piping, electrical connection, waterproofing, testing, safety controls, weather restrictions, and coordination with civil and landscape contractors. | Site-survey report, method statement, installation schedule, personnel qualifications, risk assessment, tool list, and responsibility matrix. | Required | 0–5 |
| Maintenance and Spare Parts | Access, service intervals, replacement parts, and consumables | Filters, pumps, valves, lights, sensors, and control components should be accessible for inspection or replacement without unnecessary demolition. Preventive-maintenance intervals should be documented. | Operation and maintenance manual, spare-parts list, recommended stock levels, service schedule, equipment-access drawings, and troubleshooting guide. | Recommended | 0–5 |
| Documentation | Completeness and accuracy of technical handover documents | The handover package should include as-built drawings, wiring diagrams, equipment schedules, certificates, test reports, software backups, maintenance instructions, and training records. | Document register, revision-controlled drawings, bilingual operating instructions where needed, test certificates, backup files, and training sign-off sheets. | Required | 0–5 |
| Warranty and After-Sales Service | Warranty scope, response time, exclusions, and service availability | The contract should define warranty duration, covered components, response time, remote-support process, on-site service terms, software support, and exclusions caused by misuse or inadequate maintenance. | Signed warranty terms, service-level agreement, escalation contacts, replacement-part policy, service report template, and maintenance-training plan. | Required | 0–5 |
| Supplier Management System | Process control and corrective-action capability | A documented quality-management system, such as one aligned with ISO 9001 principles, can demonstrate process control; certification alone should not replace product testing and project-specific inspection. | Valid certification scope if applicable, internal inspection procedures, corrective-action examples, audit records, and evidence that the certified scope covers relevant activities. | Verify | 0–5 |
| Commercial Transparency | Scope clarity, exclusions, payment milestones, and change-control process | The quotation should separate equipment, engineering, installation, transport, taxes, civil works, commissioning, training, spare parts, and optional functions. Undefined exclusions should be treated as a procurement risk. | Itemized quotation, technical specification, bill of quantities, interface matrix, delivery schedule, payment milestones, and written variation procedure. | Required | 0–5 |
