1. Engineering Calculator Disclaimers & Professional Advice
All mathematical models, pipe slope fall projections (IPC Table 704.1), excavation cubic yardage estimates, and ASTM F1216 trenchless feasibility assessments provided on SewerLineCalculator.com are intended strictly for educational, preliminary planning, and contractor scope benchmarking purposes. While our algorithms reflect the 2026 International Plumbing Code (IPC) and Uniform Plumbing Code (UPC), actual jobsite excavation requirements are subject to on-site laser transit verification, utility markouts (811 Call Before You Dig), soil geotechnical testing, and local Authority Having Jurisdiction (AHJ) building inspector mandates.
2. Express Written Consent Under the TCPA
By submitting your telephone number on our quotation forms, you provide your express written electronic signature consenting to receive telemarketing phone calls, prerecorded voice messages, artificial voice messages, and automated SMS/MMS text messages from SewerLineCalculator.com, Ranked & Ready, Networx Systems, Inc., and their network of licensed local plumbing and excavation contractors. You acknowledge that consent is not a condition of purchasing any property, goods, or services.
3. Independent Contractor Relationship
SewerLineCalculator.com is an independent engineering clearinghouse and quotation matching service. We are not a licensed plumbing or excavation contracting entity, and we do not perform physical trench excavation, pipe bursting, or CIPP relining services. Any agreement, contract, warranty, or financial transaction entered into between you and a contractor introduced through our clearinghouse is strictly an independent agreement between you and that contractor.
4. Limitation of Liability & Indemnification
To the maximum extent permitted under applicable law, SewerLineCalculator.com, its operator Tarquin Barnsby, and its corporate affiliates shall not be liable for any direct, indirect, incidental, punitive, or consequential damages resulting from jobsite accidents, sewer overflows, property flooding, utility strikes, or unpermitted construction performed by contractors.
5. Mandatory Binding Arbitration & Class Action Waiver
Any dispute, controversy, or claim arising out of or relating to your use of SewerLineCalculator.com shall be settled by binding individual arbitration administered by the American Arbitration Association (AAA) under its Consumer Arbitration Rules. You expressly waive any right to participate in a class action lawsuit, class-wide arbitration, or representative proceeding.
Statutory Compliance & Telemarketing Regulatory Standards
| Statute / Regulation | Governing Agency | Mandatory Platform Standard | User Protection Enforced |
|---|---|---|---|
| Telephone Consumer Protection Act (TCPA) | Federal Communications Commission (FCC) | 47 U.S.C. § 227 Express Prior Written Consent | One-to-one contractor matching, instant STOP opt-out |
| Telemarketing Sales Rule (TSR) | Federal Trade Commission (FTC) | 16 CFR Part 310 DNC Registry Compliance | National Do Not Call registry cross-checking |
| Data Protection Act 2018 / UK GDPR | Information Commissioner's Office (ICO) | Registration ZC136598 Governance Protocol | Right to access, rectify, and delete personal telemetry |
| California Consumer Privacy Act (CCPA) | California Privacy Protection Agency (CPPA) | Cal. Civ. Code § 1798.100 Transparency | Statutory Do Not Sell My Personal Information mechanism |
Frequently Asked Engineering & Civil Questions
Is SewerLineCalculator.com a licensed plumbing contractor?
No. SewerLineCalculator.com is an independent engineering data clearinghouse. We calculate code-compliant specifications and connect homeowners with vetted, state-licensed contractors.
Am I obligated to hire the contractors that contact me?
No. Our calculation tools, spec sheets, and contractor matching are 100% free of obligation. You are free to accept, decline, or negotiate with any contractor.
What should I do before breaking ground on an excavation?
Always call 811 (Call Before You Dig) at least 48 to 72 hours before breaking ground to allow local public utility locators to mark buried gas, electric, telecommunication, and water lines.