Case Study
Site Engineer · Real Estate Construction

500 engineers a month, answered live from the spec book.

How a real estate developer turned 20,000 pages of technical specifications into a real-time site assistant. Engineers and foremen ping the agent on WhatsApp in text, audio, photos, or video. It reads the project's spec book, answers in seconds, and replaces the phone call to the central engineering office.

A foreman on a construction site holding a phone, with the Construction Assistant AI giving step-by-step installation instructions on WhatsApp from a photo of an electrical panel
500

field engineers and foremen served monthly

20k+

pages of technical specs reasoned in real time

Live

answers across audio, video, photos, text on WhatsApp

Sector Real Estate ConstructionSuper Employee Site EngineerChannels WhatsApp + multimodal in and outStatus Live in production

The situation

Hundreds of engineers. One specification book.

A publicly listed real estate developer ran dozens of active construction sites at once. Each project had its own technical specifications: thousands of pages of drawings, installation procedures, materials standards, and code requirements. Engineers and foremen on the ground had to follow them exactly, but the specs lived back at the central engineering office in long PDFs nobody on site could realistically read end to end.

Every time a question came up, an engineer would stop work, call the central team, wait for someone to find the right document, locate the relevant page, and read it back. A simple question about how to wire an electrical panel could take an hour or more to clear. Across 500 engineers and foremen working in parallel, that wait multiplied. Sites slowed down, decisions got deferred, and the central engineering team became a single-threaded queue for the whole company.

The cost of asking: The bottleneck was not the specifications. The bottleneck was the time between a question being asked on site and an answer being found in the document. Hours of waiting per question, multiplied across hundreds of engineers, was capping the pace of construction.

What changed

From hours of waiting, to answers in seconds.

500

Engineers and foremen served per month

Every active site has the same expert on call, no central team to wait for.

20k+

Pages of specs reasoned across in real time

Drawings, installation procedures, materials standards, code requirements.

Seconds

Response time, per question

From phone-queue plus manual lookup to instant grounded answer.

How it works

The spec book, at the edge of every site.

We ingested the full body of technical specifications, drawings, procedures, and compliance rules into Docana. Each engineer and foreman on site got a WhatsApp contact for the Site Engineer agent. From there, the field crew can ask anything they would have asked the central engineering office, in whatever format works for the moment.

A foreman snaps a photo of an electrical panel and asks how to wire it. The agent reads the photo, cross-references the relevant pages of the spec book, and replies with the exact installation sequence and the source page. A site engineer records a voice note describing a structural question while walking the site, and the agent answers back in voice, hands free. A drone clip of a facade gets analyzed against the materials spec, with deviations flagged inline.

Every answer is grounded in the project documents. Nothing is improvised. The agent quotes the source, and the engineer can verify the page if anything looks off.

No app to install, no portal to learn. The agent lives in WhatsApp because that is already where the field crew works.

A foreman in a hard hat reading installation instructions from the Construction Assistant on WhatsApp, with a photo of the electrical panel and a step-by-step list

Results

What the field crew gained.

Decisions made on site, not deferred to a phone call

Engineers and foremen resolve questions in the moment. The central engineering team is no longer a single-threaded queue for the whole company.

20,000+ pages of specs always accessible

The entire body of project documentation is one WhatsApp message away, in any modality the field crew can produce.

Multimodal in and out

Photos of equipment, voice notes from walkthroughs, drone video, written questions. The agent handles all of them. Replies come back in the same channel and the same modality.

Source-attached answers

Every answer cites the page of the spec book it is grounded in. The engineer can verify, the central team can audit, the agent never improvises.

Estimated US-market impact

~$1.5M+

estimated annual value of central engineering time freed up, at US fully-loaded rates, across the equivalent of 500 field staff.

Weeks

of cumulative project schedule recovered per year, from in-the-moment decisions replacing phone-queue delays.

Estimated at US fully-loaded labor rates for construction engineering roles. Indicative, not contractual.

The central engineering team used to be the bottleneck for every site. Now the same expertise is on every project, in WhatsApp, answering in seconds. It is the closest thing we have seen to scaling our best engineers without hiring more of them.

Director of EngineeringPublicly listed real estate developer

See it working in your stack.

In a 30-minute demo we wire Docana into a sample of your data and show what your first super employee surfaces on day one.