Contract Template
Updated 2026

Free Rainwater Harvesting System Service Agreement

One bad seal on a thousand-gallon tank turns a backyard into a swamp and your bank account into a memory. Without a solid contract, you're the one paying for the mold remediation and the ruined foundation while the client ghosts your final invoice.

Pro Contractor Tip

Include a 'Differing Site Conditions' clause so you aren't eating the cost when your excavator hits an unmapped gas line or a granite shelf.

Why use a written agreement?

Handshake deals are risky. As a Rainwater Harvesting System, "scope creep" is your biggest enemy. A clear agreement ensures everyone agrees on the deliverables before money changes hands.

🛡️ What this sequence covers:

  • Deliverables List
  • Payment Terms
  • IP Rights
  • Revision Limits
  • Cancellation Policy

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Statement of Work

REF: 2026-001

1. Project Background

This Agreement is entered into by and between the Client and the Contractor. The Client wishes to engage the Contractor for professional Rainwater Harvesting System services.

2. Scope of Services

The Contractor shall provide the following deliverables:

  • Site excavation and tank bedding preparation
  • Cistern placement and leveling
  • First-flush diverter and debris filter installation
  • Pump assembly and pressure tank calibration
  • Underground conveyance piping and overflow drainage
  • System pressure test and leak inspection

3. Performance Standards

The Contractor agrees to perform the Rainwater Harvesting System services in a professional manner, using the degree of skill and care that is required by current industry standards.

Total ValueVariable

TERMS & CONDITIONS (Summary):

1. Payment: 50% Deposit required.

2. Copyright: Rights transfer to Client upon full payment.

Disclaimer: This template is for educational purposes only.

Frequently Asked Questions

The homeowner keeps asking for 'just one more' garden tap while I'm digging; how do I stop the bleeding?

You don't move a shovel for 'extras' without a signed Change Order that lists the new price; a written agreement turns 'favors' into billable hours and protects your margin.

I'm staring at five grand in hardware costs and the client hasn't paid a dime; what's the move?

Never drop a tank on-site until the 'Mobilization Fee' clears your bank; your contract should mandate a heavy upfront deposit to cover materials so you aren't acting as the client's interest-free loan.

The client is refusing final payment because the tank isn't filling up during a dry spell; how do I handle this?

Your contract needs to define 'Completion' as the hardware being installed to spec and passing a pressure test, not the sky falling; clarify that you're a contractor, not a rain god.