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The winds of change are impacting the United States home design industry, carrying with them the need for skilled Computer-Aided Design (CAD) and Building Information Modelling (BIM) resources.

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adding cad and bim resources for home adding

Adding CAD and BIM Resources for Home

Adding CAD and BIM Resources for Home

Design in the US

Design in the US

The winds of change are impacting the United States home design industry, carrying with them the

need for skilled Computer-Aided Design (CAD) and Building Information Modelling (BIM) resources.

Growing demand for houses means that skilled human resources are also in high demand for home

design. The workforce is buzzing with a new population of digital proponents, full of enthusiasm and

hope but lacking in the experience required to detail, arrange and coordinate vast architectural

projects. Tighter deadlines may mean that more experienced hands have scarce time to mentor an

apprentice. The resulting fresh trainees employed in the industry will inevitably display less speed

and efficiency and increasing stress. An opportune solution comes in the form of BIM technology,

especially Revit BIM, which supports the design process through its entire duration, and thus, helps

deliver projects with enhanced quality and efficiency on schedule, and for firms working on large-

scale projects, smart solutions include BIM outsourcing and outsourced CAD services options.

BIM technology leads the process of intelligent home design. A virtual model created during design

continues to integrate additions and modifications throughout the duration of a homebuilding

design project. BIM enhances efficiency, speed, precision, collaboration, construction sequencing,

procurement and cost reduction with its tools for communication, automation and information

sharing through cloud storage data created

sharing through cloud storage. Data created and gathered can improve processes, efficiency and

constantly updated communication.

Originally, BIM systems were designed as a more efficient way to create 2D documents, which

remain crucial to the industry. In the past, 2D drawings were simple, not always accurate, missing

data and lacked coordination due to several changes both on and off site. Utilising BIM solutions

leads to a single version displaying 2D sections, elevations and information which are coordinated

and are reflective of the actual live design.

BIM’s role in the construction industry has upgraded the use of computer-aided design practices to

produce digital drawings, designs and models. Many industry professionals still prefer creating

conceptual designs on paper, but an increasing number of AEC (architectural, engineering and

construction) firms have moved to utilising CAD for designs and drawings.

Computer-aided design drawings have been efficient and widely used in the construction industry,

however in some cases, the output produced using CAD has not been sufficient. BIM became useful

in tying up the loose ends that CAD sometimes missed. BIM technology enables all users to share

data and thus improves coordination among the different stakeholders. This way, design-related

issues are taken care of promptly and effectively.

A number of advantages can be enjoyed with BIM systems. With constant and regular advances in

robotics, prefabrication, 3D printing and modular construction, a more adaptable design process is

required. BIM technology integrates these additional features and further produces immersive

visualisations and virtual reality views from the 3D model. This provides greater insight into the

designs. By using computational design to extend BIM workflows, geometry is built, design options

are considered, processes are automated and links can be created between multiple applications.

Cloud-based collaboration tools enable greater efficiency with extended project teams.

In the home design construction industry, contractors are still heavily dependent on detailed

drawings and residential CD sets. This means that the data required must be placed in relevant

layers and thus avoid changes as much as possible. Accurate details must be created dimensionally.

The relevance of structural construction drawings come into play at this stage. Structural drawings,

portable structural drawings as well as homebuilding design drawings for construction require 2D

drafting and detailing.

BIM facilitates project coordination, asset management and cost estimation. Construction projects

require architectural, mechanical and structural shop drawings. Design engineers proficient in

AutoCAD (architectural, structural), Revit MEP (MEP), Autodesk BDS (architectural, structural, MEP),

Tekla (structural), STAADPro (structural), among other BIM technology software, can seamlessly

provide these shop drawings. To make estimates of the home plan, 2D construction drawings from

3d models are useful the use of 3d models

3D models are useful. The use of 3D models in BIM help attain and assemble parts and create CAD

drawings.

The main advantages that the use of BIM technology provides in home design are as follows:

Enhanced business outcomes through intelligent design

Expanded service offers and capacity through collaboration and an increase in the quality

and efficiency of services

Increased technical expertise in virtual building modelling

An integrated workflow. All views show the changes made.

There are even more advantages.

Rendering

BIM resources are also useful in developing high-quality building design in the field of effective and

precisely rendered images. Computer-generated renderings are the products of a process that

creates photo-realistic models by using colors, textures and a range of virtual objects. This 3D model

allows clients to view a planned building with a realistic feel. In the AEC industry, the BIM process is

being increasingly used in 3D architectural rendering. For example, Revit, a widely used BIM

software tool, features advanced and useful ways to improve quality and accuracy in rendering by

adding color, texture, flooring, ceiling features, fixtures, furniture and more. The 3D visualization

produced helps architects, designers, clients, contractors and others view a photo-realistic image.

Generally, these images used to be flat or ones with basic shadows. With BIM technology and

sophisticated software, lighting and materials can be approximated accurately enough to enhance

presentations.

The different options in rendered images include:

Still renderings

3D walk-through and fly-by animations

Virtual tours

Floor plans

Photo-realistic 3D rendering

Real-time 3D rendering

Panoramic rendering

Light and shadow (sciography) study rendering

Renovation rendering (photomontage)

Both interior and exterior views can be rendered to further enhance the design process. For

example, small landscaped portions can effectively break up paved areas and even transform

functional areas, such as a car back-up space. By using plants and specialised paving material, these

spaces can become desirable and functional front-door entries. Even auto-circulation spaces can be

designed for multi-use, such as landscaping, gardening and recreation.

Detailed features can be displayed in interior design with software tools such as ARCHLine.XP, which

is an architectural design software tool for BIM. This software allows collaboration with other

designers through ifc dwg and rvt formats

designers through IFC, DWG and RVT formats to remodel existing buildings. Interior design

components include furniture design tools, curtains, lights, sockets and switches, cornices, skirting

boards, tiles, wall pictures, etc. Offices, reception rooms, lofts, kitchens, bathrooms and bedrooms,

with furniture, appliances and finishes are represented with great detail. With open software tools

such as these, photos can be inserted into the rendering and objects can be designed personally.

Lot-fit or Site Drawings

Another area of expertise that BIM technology and CAD can significantly contribute to is creating ‘lot

fit’ design drawings. In the US, where homes in neighborhoods are developed with most structures

of a similar kind of size and style, the input of the information and process required to cater to these

norms are streamlined with the use of BIM.

Generally, the most attractive neighborhoods have common elements in design that positively

influence the visual and functional aspects of the area. Specific guidelines are followed in the

development of the project and controlled by the zoning code regarding heights, bulks, setbacks,

parking, landscaping, etc. Densities are allowed in multi-family zones based on lot size dimensions.

Lot size determines scale and limits width of structures. Bay windows, entries and chimneys divide a

home into sections, and distinct areas can contribute to the individuality of the home. Zoning codes

decree setback area details. All of these features can be comprehensively planned, viewed and

changed in 3D CAD/BIM platforms. Drawings developed with BIM clearly help design these aspects

and show potential problems and solutions.

Currently, when many large developers employ in-house designers for home design, the team needs

to specialise, collaborate and improve quality and efficiency of services. This involves understanding

client needs for construction on a large scale, both commercial and operational. Local site conditions

and regulations must be precisely integrated into design. Efficient output may require object

libraries/families, room data sheets, planning modules and other details, including a thorough and

in-depth knowledge of zoning codes.

With qualified talent in relatively short supply in the home design industry in the US and weighing

the expenses involved in employing design professionals in the industry, a growing number of US

firms look overseas to shore up their design capabilities. Experienced offshore teams, for example

from India, not only offer a vast repository of technically qualified personnel, but many of them have

5-10 years’ experience in homebuilding design and drafting, are well versed on the Revit platform for

BIM systems, have been recognized to be of good quality (in most cases, ISO 9001:2015 quality

certified) and several are Autodesk-affiliated centers, with Autodesk Developer Network status.

Outsourced CAD services and BIM outsourcing thus present cost-effective, technically efficient and

reliable home design solutions for the US market.