What is redlining?

Redlining is the way engineers make comments on drawings, for example when they compare the actual built status vs. the designs.

Redlining features of Assai

Upload RLMU files

Easily attach RLMU files or create them directly in Assai Mobile using a tablet.  In Assai, RLMU files have their own file type.

Approve RLMU files

Option to enable an approval step for newly added RLMU files. The responsible engineer(s) approves RLMU files via a dedicated Assai inbox. Only after approval, will the RLMU files become visible to all other users.

Identify RLMU files

(Approved) RLMU files are easily identifiable, ensuring that engineers always know when they are available for a drawing.

Process RLMU files

Document Controllers can easily distribute drawings that have RLMU files, so that they can be processed into new revisions.

Other functionalities

As-built (process)

Easily distribute the latest document revisions to the site and updated documents back to the engineering team or external contractor so that they can be converted into As-built drawings.

More on As-built (process)


When it comes to pre-commissioning and commissioning, Assai saves you time, money and reduces risk. The combination of Assai Mobile and QR codes make it easy to look up and complete checklists on-site.

More on (Pre-)Commissioning


Simple search screens allow you to quickly find and identify which documents are ready for handover, and to perform document handovers.

More on Handovers


Assai’s REST API supports information exchange with other applications, allowing you to connect to the tools you need to get your job done.

More on Integrations