Shop Drawings vs Construction Drawings vs As Built Drawings: Key Differences and Roles

Welcome to a guide that uncovers the differences and roles of Shop Drawings vs Construction Drawings, and As-Built Drawings. In the world of construction, these drawings have important jobs. We'll explain how they're different and why they matter. Whether you're a pro or just curious, you'll learn about these essential parts of construction projects.



Definition of Shop Drawings vs Construction Drawings vs As Built Drawings

Shop Drawings: Shop drawings are detailed drawings made by contractors, fabricators, or manufacturers. They show how certain parts of a construction project will be made, put together, and set up. These drawings have lots of information about sizes, materials, how things are made, and how they are put in place. They're used for things like structural parts, machines, tools, and building details. Shop drawings are like a link between what architects and engineers design and the actual construction work. They make sure the project is done correctly and following the plans, and they also handle practical details not shown in the original design drawings.

Construction Drawings: Construction drawings are like building plans made by architects and engineers. They show how to build a structure. These drawings give instructions to construction teams. There are different types of drawings for how the building looks, its structure, and its systems like plumbing and wiring. These drawings help builders follow the design and make sure everything is right during construction.

As Built Drawings: "As-built drawings" are like records of how a building or project actually turned out after it's been constructed. They're made by updating the original construction drawings to show any changes or modifications that were made during the building process. These drawings give an accurate picture of what's been built, including any adjustments from the initial plans. They're useful for future reference and maintenance, helping people understand how things were actually put together.



Read more: Types and Importance Of Construction Drawing In Building Process

Benefits of Shop Drawings vs Construction Drawings vs As Built Drawings

In the world of building things, there are three important types of drawings: shop drawings vs construction drawings and as-built drawings. These drawings are like tools that help architects and builders make things. They have different jobs in different parts of a project. Let's take a closer look at what they do:

Benefits of Shop Drawings

Detailed Guidance: Shop drawings are like step-by-step guides for the people who make the parts and put them together. They show exactly how things should be built and joined, so workers know what to do.

Clear Communication: Shop drawings bridge the gap between design intent and construction reality, minimizing misunderstandings among project teams.

Material Efficiency: By specifying exact materials and quantities, shop drawings help reduce wastage and cut costs.

Trade Coordination: Different trades can review and coordinate their work, preventing clashes and enhancing construction efficiency.



Benefits of Construction Drawings

Design Interpretation: Construction drawings take complicated ideas for how something should look and turn them into easy-to-follow plans that builders can use.

Project Scope: They define the scope of work, outlining the project's boundaries, dimensions, and features.

Compliance: Construction drawings ensure adherence to building codes, regulations, and safety standards.

Cost Estimation: They aid in accurate cost estimates by detailing materials, quantities, and labor requirements.

Risk Reduction: When the construction drawings are easy to understand, it helps reduce mistakes, arguments, and things taking longer than they should while building.



Read more: The Top 15 Construction Issues With Strategies To Tackle Them

Benefits of As-Built Drawings

Accurate Record: As-built drawings show exactly how a project looks when it's finished. They're like a trustworthy guide for later on when you need to take care of or change things in the future.

Documentation: They write down any changes or differences that happened while building, keeping a record of the project's history.

Facility Management: As-built drawings aid facility managers in managing maintenance schedules and repairs.

Renovations and Upgrades: They guide future renovations and upgrades by providing insights into existing structures.

Legal Compliance: As-built drawings can help demonstrate compliance with building codes and regulations.

In simple terms, shop drawings help make things, construction drawings show how to build, and as-built drawings record the final result. All of these are really important for building something.



What's In These Types Of Drawings?

           Shop drawings

          Construction drawings

                   As-built drawings

Specific materials                                                  

Floor plans, elevations, and sections

Actual dimensions and locations of built elements

Detailed dimensions and tolerances

Detailed dimensions of structural elements.                      

Any modifications or changes made during construction

Connection details

Mechanical, electrical, and plumbing layouts

Information about concealed systems or components

Fabrication methods and processes

Material specifications and schedules

Annotations indicating variations from the original design

Installation instructions

Notes and annotations related to construction methods

Actual quantities of materials used

Hardware and accessory details

Site plans and landscaping details

Verification of compliance with building codes and regulations


Differences between Shop Drawings vs Construction Drawings vs As Built Drawings


Shop Drawings

Construction Drawings

As-Built Drawings


Detailed plans for fabrication and installation

Detailed plans for construction

Final documentation of built structure


Specific dimensions, materials, fabrication methods

Architectural, structural, MEP details

Accurate measurements, changes made during construction

Creation Time

Generated after design phase, before construction

Created during design phase

Created after construction completion


High precision for fabrication

High precision for construction

Reflects actual built conditions

Approval Process

Requires approval from engineers/architects

Typically reviewed by design team

Typically reviewed by client/team

Revision Frequency

May have multiple revisions

May have revisions during design phase

Represents final changes after construction


Used by fabricators and contractors

Used by contractors and subcontractors

Used for future reference/maintenance


Focuses on specific components/aspects

Includes overall project scope

Captures deviations from original plans

Level of Detail

Extremely detailed

Detailed, includes various disciplines

Reflects actual on-site conditions

Key Features

Accuracy, fabrication details

Construction sequencing, dimensions

Actual changes made during construction



Welcome to Harmony Advanced Technologies! We're experts in BIM/CIM Modeling services for construction. With over 20 years of experience, we're here to make your projects better. In construction, we use three kinds of drawings: Shop Drawings, Construction Drawings, and As-Built Drawings.

Shop Drawings are like detailed instructions for making things. We're really good at making these drawings, so the people building stuff know exactly what to do. Construction Drawings are important plans for building. Our team creates these plans that show how everything should look. They're like a map for building things right. As-Built Drawings come in when everything's done. We make sure they match what got built. These drawings help with taking care of things later on.

We have offices in Vietnam and Germany, so we can help you no matter where you are. Let's work together to make your projects great! Ready to get started? Contact us here and let's talk about making your ideas into reality with Harmony Advanced Technologies.

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