Copyright Notice | T Square Civil Engineering

Last updated: 29 August 2026

© 2026 T Square Civil Engineering. Unless otherwise stated, rights are reserved in original material owned by T Square Civil Engineering, subject to applicable law and identified third-party rights.

T Square Civil Engineering is an educational civil engineering website created to share practical knowledge, engineering explanations, calculations, examples and construction guidance with students, engineers, professionals and other readers.

Page Contents

1. Original Content and Materials

Subject to applicable copyright law and any identified third-party rights, copyright may subsist in original material created by or lawfully owned by T Square Civil Engineering, including:

Original articles and written explanations;
Original worked examples and calculation explanations;
Original selection, arrangement and presentation of tables and compilations;
Original engineering diagrams, drawings, charts and illustrations;
Original photographs and graphics created for the website;
Original info graphics and educational visual material;
Original calculator source code and programming;
Original explanatory text accompanying calculators;
Original downloadable documents and learning resources;
Original page content and editorial presentation; and
Other original literary, artistic or software material created specifically for T Square Civil Engineering.

Protection applies to the original expression, selection, arrangement, presentation and creative work, where copyright subsists under applicable law.

2. Engineering Formulas, Principles and Methods

T Square Civil Engineering does not claim exclusive copyright ownership over generally known engineering principles, scientific facts, mathematical relationships, standard engineering formulas, conventional calculation methods or other material that is not protected by copyright law.

For example, an established engineering formula may be used by engineers, students, authors and other publishers.

However, T Square Civil Engineering may own copyright in its original explanation, derivation, worked example, diagram, wording, table arrangement, calculator implementation or other original presentation of such engineering information.

Accordingly, the presence of a commonly used formula or engineering method on this website should not be interpreted as a claim that T Square Civil Engineering owns the underlying formula, principle or method itself.

3. Standards, Codes and Third-Party Material

Articles on this website may refer to Indian Standards, international standards, engineering codes, textbooks, research publications, manufacturer information and other technical sources for educational and reference purposes.

Copyright in Indian Standards and other publications of the Bureau of Indian Standards (BIS) vests in BIS as provided by applicable law. T Square Civil Engineering does not claim ownership of Indian Standards or BIS publications.

Identification of an Indian Standard by its designation, title, part number, year, clause reference or relevant technical subject is intended for reference and educational explanation. It should not be interpreted as reproduction of, ownership of, or endorsement by BIS. Where any part of an Indian Standard is proposed to be reproduced, appropriate authorization or permission from BIS should be obtained, except where applicable law expressly permits otherwise.

T Square Civil Engineering does not claim ownership of:

Indian Standards;
BIS publications;
ISO, IEC or other standards;
Third-party books or publications;
Third-party photographs, drawings or illustrations;
Manufacturer documents;
Government or institutional material where rights belong to another party; or
Any other material clearly identified as belonging to a third party.

References to a standard, code number, clause, technical requirement or other source are intended to identify or explain the relevant engineering subject. They do not transfer ownership of that source to T Square Civil Engineering and do not imply endorsement by the relevant standards organisation or rights holder.

Where appropriate, readers should consult the official publication or authorized source for the complete and current requirements.

4. Permitted Use by Readers

T Square Civil Engineering is intended to support civil engineering education and professional learning.

Readers are welcome to:

Read and use the website for personal learning;
Bookmark and share links to T Square Civil Engineering pages;
Refer other students, engineers and readers to our articles and calculators;
Quote brief portions where permitted by applicable law, with appropriate acknowledgment of the source; and
Use limited portions where permitted under applicable copyright exceptions and limitations, including applicable fair-dealing provisions for private or personal use including research, criticism, review and other uses permitted by law.

Where an excerpt from T Square Civil Engineering is reproduced with permission or otherwise lawfully used, appropriate acknowledgment should be provided, preferably in the form:

Source: T Square Civil Engineering — www.tsquarecivil.com

A link to the relevant original page is appreciated where reasonably possible.

Nothing in this Copyright Notice is intended to restrict any use that is expressly permitted by applicable copyright law.

5. Uses Requiring Permission

Unless permitted by applicable law or specifically authorized in writing, you may not reproduce or republish substantial original T Square Civil Engineering material, including:

Complete articles;
Substantial portions of articles;
Original diagrams or illustrations;
Original info graphics;
Original photographs;
Substantial original tables or compilations;
Calculator source code;
Downloadable resources; or
Collections of website content.

You should obtain permission before using original T Square Civil Engineering material in another:

Website or blog;
Book or e-book;
Coaching or training material;
Commercial publication;
Mobile application;
Software product;
Paid course;
Social-media publication containing substantial reproduced material; or
Other publication or commercial resource.

6. Prohibited Misuse

Subject to applicable law, original T Square Civil Engineering content must not be:

Copied substantially and republished as another person’s work;
Republished after merely changing a few words;
Presented with T Square Civil Engineering attribution removed;
Used in a misleading or deceptive context;
Sold or commercially redistributed without permission where permission is required;
Used to falsely suggest affiliation with or endorsement by T Square Civil Engineering; or
Systematically extracted or reproduced to create a substantially competing copy, content collection or commercial database without appropriate authorization.

7. Images, Diagrams and Graphics

Images, engineering diagrams, info graphics and graphics in which T Square Civil Engineering owns applicable rights should not be copied or republished in substantial form without permission, except where applicable law permits such use.

An image or graphic obtained from or credited to a third party remains subject to the rights and licence terms of the relevant third-party owner.

Where a third-party licence permits reuse, the applicable licence conditions will take precedence over this Copyright Notice for that particular material.

8. Calculators and Software

The engineering principles, formulas and methods used by a calculator may be established technical knowledge and are not claimed as the exclusive property of T Square Civil Engineering.

However, original calculator programming, source code, interface text, explanatory material, examples and other copyrightable elements created specifically for T Square Civil Engineering may be protected by applicable copyright law.

Use of a calculator does not grant a licence to copy or redistribute its underlying original source code.

9. Educational Purpose and Good-Faith Referencing

T Square Civil Engineering is developed primarily as an educational resource and aims to respect the intellectual-property rights of authors, standards organisations, publishers, institutions and other creators.

Technical references are intended to assist readers in understanding civil engineering subjects and, where appropriate, to direct readers toward authoritative sources.

The website does not intend to represent third-party copyrighted material as its own.

10. Copyright Concerns and Correction Requests

If you are a copyright owner or authorized representative and believe that material appearing on T Square Civil Engineering infringes your copyright or has been incorrectly attributed, please contact us.

Email:

info@tsquarecivil.com

Subject:

Copyright Concern

Please provide, where reasonably possible:

Your name and contact information;
Identification of the copyrighted work concerned;
The URL of the T Square Civil Engineering page involved;
Identification of the material in question;
The basis on which you believe you own or represent the relevant rights; and
A brief explanation of your concern.

T Square Civil Engineering will review genuine copyright concerns in good faith and may correct attribution, modify, restrict or remove material where appropriate.

11. Permission Requests

For permission to reproduce substantial original T Square Civil Engineering material, please contact:

T Square Civil Engineering
Email: info@tsquarecivil.com
Website: https://www.tsquarecivil.com

Use the email subject:

Copyright Permission Request

Please identify the material you wish to use and explain where and how you intend to use it.

12. No Claim Over Third-Party Rights

Nothing in this Copyright Notice should be interpreted as claiming copyright, trademark or other intellectual-property rights in material belonging to another person, author, publisher, standards organisation, government body, manufacturer, institution or other rights holder.

Where third-party material is lawfully used or referenced on T Square Civil Engineering, the relevant owner’s copyright, licence terms, attribution requirements and other rights remain unaffected.

The inclusion of third-party names, standards, trademarks, product names or references is for identification, reference or educational purposes where appropriate and does not imply ownership, sponsorship or endorsement unless expressly stated.

13. Reservation of Rights

Except for permissions expressly granted in this Notice or rights available under applicable law, no licence or transfer of copyright or other intellectual-property rights is granted merely because material is accessible through this website.