How Can Technology Improve Construction Work?

TL;DR

Construction technology can improve execution by delivering role-specific, location-aware information and creating formal feedback loops between plans and field conditions. Building sites combine changing designs, multiple trades, unique materials, and tight dependencies, so real-time measurement of progress and quality can reveal deviations early and help teams revise plans before problems compound.

Transcript

Hi, and welcome to the A16Z podcast. I'm Hannah, and in this episode, we continue our series on how tech is changing construction, looking at what happens when you go from the planning phase to the building phase. The conversation includes Martin Fischer, Professor of Civil and Environmental Engineering at Stanford, Saurabh Ladha, CEO of Doxel, a c... Read More

Key Insights

• Construction information is often simplified when it moves from pre-construction into the field, which can remove useful detail or make previously dynamic data less usable. The practical goal is to preserve relevant information while tailoring it to a worker's specific role, location, and task.
• Field workers can receive thousands of pages of project documents even though only a small subset may apply to their work. Technology can reduce this burden by filtering plans, specifications, models, and written information so each worker sees the material needed for the immediate task.
• Construction uncertainty multiplies during execution because teams must coordinate resources, work sequences, site logistics, and 20 or 30 trades. Variability in each schedule compounds uncertain design information, producing delays, conflicts, and the unproductive chaos often observed on active building sites.
• Worker onboarding is necessary because people cannot simply arrive and begin productive work on their first day. They must identify applicable information, check for details created elsewhere, and confirm that their customary installation methods are represented accurately in the project documents.
• Traditional design, bid, build contracts do not naturally encourage trust or early field input. Integrated project delivery and design-build arrangements create more opportunities for subcontractors to participate earlier and contribute details that are practical and constructable in actual field conditions.
• Advanced technology can initially gain traction on low-trust projects because participants see better information as a means of protecting their position. Once the technology exposes shared facts, teams may recognize that the same visibility can support cooperation rather than serving only as defensive evidence.
• Construction differs from manufacturing because each project creates a massive, unique asset with changing people and materials. Manufacturing repeats processes and can respond to feedback within three minutes, while construction often lacks comparable real-time feedback despite tightly connected dependencies.
• Formal feedback loops are largely absent even where teams use building information modeling and construction management methods. Closing the loop requires an executable plan aligned with field data collection, allowing teams to compare intent with actual progress and quality and revise the plan continuously.

Questions & Answers

Q: How can technology make construction information useful in the field?

Technology can make construction information useful by filtering rich pre-construction datasets according to a worker's role, location, and immediate task. Instead of handing every worker an entire collection containing thousands of pages, a system can surface the relevant models, plans, specifications, written instructions, and requests for information while preserving the detail needed to fabricate or install correctly.

Q: Why is construction execution more difficult than manufacturing?

Construction typically involves creating a massive asset once, using different people and materials while every step may differ. Manufacturing repeats the same work and can use real-time feedback to intervene within three minutes when something goes wrong. Construction teams must coordinate unique sequences and dependencies without equivalent feedback, so even a half-inch installation error can produce substantial ripple effects.

Q: Why do construction workers need onboarding at each job site?

Workers need onboarding because each construction site is a new and complex operating environment. Before starting, they must locate the information relevant to their tasks, determine whether additional details exist elsewhere, and verify that familiar installation practices appear in the documents. They also need to understand site-specific plans, constraints, sequences, and coordination requirements before productive work can begin.

Q: How does low trust create more requests for information?

Low trust can lead engineers to specify installation details they believe are best even though they have not performed the field installation themselves. A worker may then determine that the documented method cannot be built as shown. Resolving the conflict requires a request for information and additional communication with the architect or engineer, adding delay and complexity to an already dynamic environment.

Q: Which contract structures can improve collaboration in construction?

Integrated project delivery and design-build contracts can create stronger conditions for collaboration than traditional design, bid, build arrangements. They provide more opportunities for subcontractors to join the process earlier, establish trust with the design team, and contribute details based on practical installation experience. That early participation helps produce designs that workers can actually construct in the field.

Q: What quality feedback methods are currently used on construction sites?

Construction teams use quality assurance programs, visual checks, architect site walks, rolling completion lists, and model-based layout verification. These methods represent attempts to assess progress and quality, but they still depend heavily on manual observation, conversations, and human interpretation. As a result, they may not capture the full design intent or provide a consistent, formal feedback loop.

Q: What does it take to close the construction feedback loop?

Closing the feedback loop requires a plan that reflects how the work will actually be performed and matches the data that can be collected in the field. Teams must then compare progress, performance, and quality against that plan and revise it as conditions change. Emerging technology can make both executable planning and field measurement easier at construction scale.

Q: Why must construction plans be continuously revised?

Construction plans must be revised because active job sites change frequently and late decisions can affect several dependent systems. On a hospital project, for example, a doctor might request that overhead equipment be moved the day before installation. That change can affect structural steel and mechanical, electrical, and plumbing work above it, requiring coordinated updates across the plan.

Summary & Key Takeaways

• Construction teams struggle to transfer rich pre-construction data into formats that field workers can readily use. Workers may receive thousands of pages even when only a small portion applies to their task. Role-aware and location-aware systems can filter models, plans, specifications, and requests for information into focused guidance for each person.

• Building execution is difficult because every project combines different people, materials, sequences, logistics, and trade schedules. Design uncertainty compounds these variables, while small installation errors can disrupt dependent work. Unlike repetitive manufacturing, construction creates a massive asset once and generally lacks the rapid, real-time feedback needed for immediate intervention.

• Existing quality assurance relies heavily on visual inspections, site walks, completion lists, and manual model-based checks. Research covering nineteen projects from nineteen companies found no formal closed feedback loops for schedule, performance, or quality. Emerging technology can connect executable plans with measurable field data, supporting continuous updates as site conditions change.