Drafting Services

We provide CAD drafting services cover: engineering; design; electrical diagrams, shop drawings, P&ID, mechanical drafting; as-built drawings; design drafting and technical drawing.

Our drafting covers a range of industries including mining, construction, electrical, hydraulic, HVAC, shop fitters, mechanical, steel fabrication, manufacturing, design and engineering.

2D CAD outputs vary from black and white line drawings for patent applications, coloured instruction illustrations through to refined presentation and marketing images. We also customise templates and drawing standards to match a client’s needs.

We find the technical standards our clients work to vary in all aspects from standard set ups, dimensions, level of detail required, view orientations, projection angles, to preferred paper size and orientation. For consistency our draftsperson would review and emulate a client’s in-house standards. We follow a process that uses a number of management tools to ensure customisation and quality is maintained.

Such diversity in clients’ requirements means we know and operate within a wide range of CAD protocols and systems. This depth of experience makes us well positioned to identify drawing standards and registers to suit any customer’s particular parameters.

Ask us how we can help create and implement drawing office standards today.

As Built Drafting

As Built Drawing

Our CAD drafting services support As Built Drawings for Electrical, Hydraulic, Mechanical & Heating, Ventilation and Air Conditioning (HVAC) projects. Commercial and residential buildings, government and education contracts are all prepared to the highest quality of drafting standards.

We update your marked up contractor drawings to ‘as installed’ conditions, up issue revision numbers and history tables. Outputs include PDF & DWG files, plots and CD copies.

As built drawings may also form part of an Operation and Maintenance Manual which needs to be submitted to the builder. These are often a dreaded necessity which our clients find onerous to complete. We assist trades people to identify the required information, set out and page numbering, printing, collation and binding for a professional look and feel.

Design Drawings

Design Drawings

To proceed to the manufacturing stage design drawings are needed to specify details to production staff. Our CAD drawing expertise allows us to fully specify the necessary technical information on our standard templates or tailor a layout to meet our client’s needs.

All materials, finishes and tolerance information can be captured along with Bill Of Materials (BOM’s) and special notations to the manufacturer. For clients manufacturing in China, design drawings can also include Mandarin notation to help clarify requirements abroad on the shop floor.

Engineering Drawing

Engineering Drawing

We provide engineering drawings to help capture your mechanical design in CAD. We take your technical information which may be from a variety of sources including engineering calculations, design sketches, OEM technical drawings and prototype mock ups and enter the data into CAD.

Deliverables for engineering drawings may include part, sub assembly and assembly drawings with isometric, cross section and exploded views. Additional details may include bill of materials with part numbers, stock system identifiers and separate drawing numbers.

We can either adopt your CAD templates and protocols or develop a customised solution.

Process/Piping & Instrumentation Diagrams (P&ID)


Process/Piping & Instrumentation Diagrams (P&ID) are a schematic representation used by the process industry to show the connection between equipment/ piping and instrumentation used in a system.

Standard symbols on drawings are used to represent equipment, valves, pumps etc. P&ID items may also include flow directions, process piping size and fittings, mechanical equipment, identification names and numbers, connecting systems delivered by others.

Process engineers also use Process Flow Diagram (PFD’s) which aren’t as complex as a P&ID. PFD’s only show primary equipment and flows. Minor details and secondary flows are not shown, however the drawing may include values (i.e. min, max, normal) for various operating modes.

Patent Drawings

Patent Drawings

Clear and concise line drawings are an integral part of patent applications and invention drawings. To help protect a client’s intellectual property, DAP can assist with technical drawings to help create clearly defined illustrations for your patent application.

A typical patent drawing set may include projected drawing views, sections, detail views and isometric images to capture the design intent of your invention. We can use your loose concept pages with initial ideas through to manipulating existing or creating new CAD data.

Paper to CAD

Paper to CAD

We provide a paper to CAD conversion service for transferring hand sketches and plan drawings into your required CAD format. Engineering and shop drawings are converted from existing paper documentation into accurate CAD files. Suitable for product design drawings, engineering applications, electrical diagrams, retail, commercial and domestic projects.

Outputs can be extended from black and white line drawings to refined presentation and marketing images. Drawing templates and CAD protocols come as standard and can be customised for the client.

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