music fountain

The difference is almost never margin. It is what each supplier assumed was included: pump quality, nozzle material, whether the control system has redundant PLCs, whether installation includes the civil pit, whether commissioning includes a two-week on-site presence, whether spare parts ship with the container.

A well-written specification does not make the fountain cheaper. It makes the bids comparable, which is what allows you to buy on value rather than on the lowest number that survives negotiation.

The 11 sections every music fountain tender should contain

1. Performance requirements, not product descriptions

State what the show must achieve: display area, maximum jet height, number of simultaneous water patterns, sound pressure level at a defined audience distance, and show duration. Then let suppliers propose equipment.

Example: "The fountain shall produce a minimum of 12 programmable water patterns, a maximum central jet height of 30 m ±1 m at design water level, and an audio level of 75 ±3 dB(A) at 20 m from the fountain edge."

A performance clause is enforceable. "High-quality nozzles" is not.

2. Water source and quality data

Provide the actual water analysis: source (municipal, lake, recycled), pH, hardness, suspended solids, chloride level. Chloride decides whether 304 or 316 stainless is required — and this is one of the most common hidden substitutions in competitive bids.

3. Site conditions and constraints

Wind exposure, water level variation, ambient noise limits, available power capacity, the position of the nearest drain, and — critically — access for a 40-foot container and any lifting equipment. A fountain that cannot be delivered to its pit is a redesign.

4. Materials schedule with grades

Specify by grade and standard, per component:

"Or approved equal" is the phrase that protects the specification without freezing innovation. Insist that substitution requests come with a written technical comparison.

5. Control system architecture

Define the number of concurrent device channels, the control protocol, whether the system supports timecode-synchronised music, remote diagnostics, and the format of show files. Specify that show programmes are delivered as editable project files, not compiled binaries — otherwise the client is locked to the supplier for every future change.

Also require: an industrial PC or equivalent controller (not a consumer PC), UPS backup with a defined hold-up time, and a documented API or dry-contact interface for integration with the venue's BMS or event system.

6. Electrical and protection requirements

Reference the governing standard for the market (IEC 60364 series, or local equivalent), and state explicitly:

• Earth leakage protection on all submersible circuits.

• Equipotential bonding of all metallic structures within the pool zone.

• IP rating for every junction located below water line.

• Emergency stop locations and the shutdown behaviour of each subsystem.

• Verification method — insulation resistance tests, RCD trip tests, and the documentation to be handed over.

7. Hydraulic design deliverables

Require a hydraulic calculation: pump curves, head losses, valve sizing, and the flow balance between branches. Without it, jets at the far end of a long manifold run will be visibly weaker than jets near the pump — a defect that only appears after commissioning and is expensive to fix.

8. Shop drawings and approval gate

Require a drawing submission and a formal approval before manufacturing starts: general arrangement, nozzle layout, pit details, cable routing, control panel schematic. Make the approval a contractual milestone with a defined review period. This single clause removes most of the "it does not fit the site" disputes.

9. Factory testing and inspection

Specify a factory acceptance test (FAT): dry-run of every nozzle group, valve response time verification, control cabinet function test, and a video record of the water test for at least the main pattern set. Require the video as a deliverable. Clients who receive commissioning videos before shipping catch problems while the equipment is still in the factory.

10. Installation, commissioning and training

State who does what. If the buyer's contractor builds the pit and provides power, say so. If the supplier sends a commissioning engineer, state the number of days, the visa and travel responsibility, and the acceptance criteria for handover. Require operator training — minimum two sessions, one at commissioning and one at the first seasonal restart — and a recorded walkthrough of the daily start-up and shutdown sequence.

11. Warranty, spares and after-sales response

A one-year warranty on a fountain is close to meaningless, because most manufacturing defects surface in year two. Specify:

• Warranty period by component — 24 months on pumps and control, 12 months on consumables and lighting, with the exclusions listed explicitly.

• Spare parts list with pricing, submitted with the bid, so future costs are transparent.

• Recommended spares kit shipped with the project: nozzles, solenoid valves, one pump seal kit, one LED module, fuses.

• Response commitment — remote diagnosis within 48 hours, and the mechanism for on-site support.

Two clauses worth adding

The show-programme escrow clause. Require the supplier to deposit the editable show files and control project with a neutral party, or to hand them over in full at final payment. This is the difference between owning your fountain and renting it.

The water-and-power consumption guarantee. Require predicted kWh per show and m³ per show at design conditions. It anchors the operating budget and reveals undersized or oversized pump selections during bid evaluation rather than during the first electricity bill.

Evaluating bids without a specification

Many buyers still receive bids against a short brief. If you are in that position, normalise before comparing. Request, from every bidder, the same six items: pump brand and model, nozzle material grade, control hardware, number of programmable patterns, spare parts list, and commissioning days included. Put them in one table. The threefold price spread usually collapses to 20–30% once you can see what each number actually buys.

A worked example of what good looks like

A recent municipal plaza project in Central Asia came to us with a 40-page tender built around most of the sections above. Because the electrical verification method and the FAT requirement were already fixed, our engineering team could price the pump redundancy and the testing time accurately instead of adding a contingency. The bid spread across five suppliers was 18% — unusually tight, and a direct result of the specification.

That is the return on writing the document properly.

Talk to our engineering team before you publish

WJ Fountain regularly reviews draft tender specifications for project owners, landscape architects and procurement agencies at no charge. We will tell you if a clause is unenforceable, if a material grade is below what your water chemistry requires, or if a performance figure is not physically achievable in your space — and we will say so even when the answer costs us the order.

Browse our full product range to see the systems typically covered — pool water music fountains, floating music fountains, dry floor fountains and water screen shows — then send us your draft.

About WJ Fountain Wuxi Wenjin Fountain Engineering Co., Ltd (WJ Fountain) is a China-based music fountain manufacturer and water-feature engineering company founded in 1999. With a 50,000 m² plant, 500+ staff and 30+ years of core expertise, WJ Fountain designs, builds and installs music fountains, water screen shows, dry floor fountains, floating fountains and digital water curtains worldwide, typically within 60 working days, shipping FOB via the Port of Shanghai.

Media Contact WJ Fountain (Wuxi Wenjin Fountain Engineering Co., Ltd) Address: No. 3, Nanxin East Road, Heqiao Town, Wuxi, Jiangsu, China Tel / WhatsApp: +86 13812078746 | Email: shen_zhw@163.com Website: www.wjfountain.com