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Use case 08 · Engineering / Design

Fire protection value engineering

A workflow that locks the approved baseline, defines alternatives against it and runs each one through a compliance gate before any trade-off analysis. Cheaper options that narrow certification scope or shift lifecycle cost are shown as exactly that.

Runs standaloneUploads and manual entryFire engineer signs
Workflow 08 · demo runAwaiting sign-off

Fire engineerAlternatives genuinely can save cost or improve constructability.

  1. Lock the baselineEngineer
    QueuedWorkingDoneSign-off
  2. Define alternativesVE lead
    QueuedWorkingDoneSign-off
  3. Apply the compliance gateAutomated
    QueuedWorkingDoneSign-off
  4. Run the trade-offAutomated
    QueuedWorkingDoneSign-off
  5. Capture endorsementFire engineer
    QueuedWorkingDoneSign-off
Stopped for the fire engineer to sign
  • Who uses itFire engineer, value engineering lead
  • Lifecycle stageEngineering / Design · also Pre-Sales / Tendering
  • Buyer groupTrack B · Estimating & Commercial
  • RequirementsBRD v0.1, sent as written
At a glance

What goes in, what comes out

Goes in
Approved baseline
Alternatives
Lifecycle data
Value EngineeringFive steps · one approval gate Fire engineer signs
Comes out
Option comparison
Compliance gate results
Conditional endorsement
What it does

Value Engineering, step by step

Five steps, one decision point. The last step is a person, every time.

  1. 01
    Engineer

    Lock the baseline

    The approved design recorded, so the comparison has a fixed reference point.

  2. 02
    VE lead

    Define alternatives

    Each option described with what it changes and what it assumes.

  3. 03
    Automated

    Apply the compliance gate

    An option that narrows certification scope or breaches a criterion is flagged before it is costed.

    Passes the compliance gate?

    Yes On to the trade-off analysisNo Flagged before it is costed
  4. 04
    Automated

    Run the trade-off

    Capital cost, lifecycle impact, constructability and risk, side by side.

  5. 05
    Fire engineer

    Capture endorsement

    A fire engineer endorses, conditions or rejects. Conditions travel with the proposal.

  6. Output

    What lands at the end

    An option comparison and value engineering proposal carrying the baseline, the evidence, the assumptions and any conditions attached to the endorsement.

Who’s involved

Fire engineerValue engineering lead

What you get

  • Option comparison
  • Compliance gate results
  • Conditional endorsement

In the wireframe

The engineer flags a missing survey, retains the baseline and issues a conditional option summary for review.

Use case diagram

Who does what, and who signs

Automated steps prepare the evidence. People make the calls.

Swipe to see the whole diagram

Use case diagram: Value Engineering People: Fire engineer, Value engineering lead. Steps: 1 Lock the baseline; 2 Define alternatives; 3 Apply the compliance gate; 4 Run the trade-off; 5 Capture endorsement. Fire engineer approves the final step. Value Engineering«workflow, built with DeX»«inputs»01 Lock the baseline02 Define alternatives03 Apply the compliance gate04 Run the trade-off05 Capture endorsementFire engineerValue engineering leadFire engineer«approves»«documents»Approved baseline, …
Automated step Done by a person Approval gate Takes part Leads to
What changes

Why this costs you time today

Alternatives genuinely can save cost or improve constructability. The comparisons that sell them often leave out certification limits, lifecycle impact and the approved baseline they are departing from.

Task
Today
With this workflow
Cheaper options
Sold on price alone
Gated on compliance first
Certification limits
Left out of the comparison
Shown next to the saving
Endorsement conditions
Agreed verbally, then forgotten
Travel with the proposal
The line we do not cross

What this software will not do

Life-safety work. These limits are written into the requirements, not added as a disclaimer.

Specific to this workflow

It does not approve an alternative. It makes the compliance and lifecycle consequences visible so the engineer's endorsement is an informed one — and it records the conditions attached to it.

It does not decide compliance

The software assembles evidence, retrieves source clauses and shows conflicts. It does not determine whether anything complies. A named engineer does.

It does not stand in for an authority

An approval recorded in the software never implies consent from an AHJ, Civil Defence, building control or a building surveyor.

Nothing leaves without a named reviewer

Every output carries who approved it. Anything unverified keeps a draft marker until someone signs it.

It does not do sealed engineering

Hydraulic network calculation, definitive sprinkler layout, sealed design, BIM geometry authoring and final cost estimates are all out of scope by design.

Your standards, not ours

NFPA, EN, BS, ISO, FM, UL, LPCB and Civil Defence appear in the requirements as examples. None is assumed to apply to your projects until you say so.

~1/10of traditional build time
~30%of traditional cost

That is a claim about how fast Colakin builds software with DeX, and it is supported by delivered projects. It is not a claim about what any of these fifteen workflows will save your business. The requirements deliberately leave that to a pilot, measured against your own baseline.

How an engagement runs

From a question to a pilot, in five steps

Nothing hidden behind a discovery call. Stop at step one and keep the document.

  1. 01

    You ask for the requirements document

    The full BRD for the workflow you care about, sent as written.

    Same day
  2. 02

    A ten-minute wireframe walkthrough

    A clickable prototype of that one workflow.

    10 minutes
  3. 03

    The Fire Fit Check

    Five questions: fit, hours lost, who approves spend, whether your documents can be shared, and timing.

    One call
  4. 04

    A scope built on your rules

    Your standards, your document formats, your approval gates.

    Within a week
  5. 05

    A pilot against your own baseline

    One workflow, your data, your engineers.

    Q1
Questions

Value Engineering: questions

Does it consider lifecycle cost?
Lifecycle impact is one of the trade-off dimensions alongside capital cost, constructability and risk. What goes into it is configured from your own service and replacement data.
Can an engineer endorse with conditions?
Yes, and the conditions travel with the proposal rather than being agreed verbally and forgotten.
Who owns the decision?
The fire engineer. The workflow assembles the comparison; endorsement is a professional act and is recorded as one.
Next step

Ask for the Value Engineering requirements document

The business requirements document as written, including what it refuses to do. No brochure, no drip sequence.

  • The requirements document, usually the same working day
  • A ten-minute wireframe walkthrough with the people who specified it
  • No claimed percentage saving — your pilot measures it

Request the document

One working day. A person replies, not a sequence.

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