Where your team’s time goes on valuations, tenders and site reports, what it takes to get it back, and when the cost is covered.
EXAMPLE
What this study finds (modelled)
VALUATIONS AND PAYMENTS
About 1,690 hours a year
back to your commercial team
TENDERS AND ESTIMATING
About 985 hours a year
back to your estimating team
SITE REPORTS AND RECORDS
About 565 hours a year
back to your site team
TRAINING
60 people trained
to use approved tools on everyday work, safely
Prepared for
The Managing Director, Brackwell Tarn Construction
Scope
Valuations and payments, tenders and estimating, site reports and records, and training. 60 of your 60 people.
Version
1.0, 30 September 2026
Delivered with
An editable workbook with the full model, process records, build briefs and acceptance checks
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
02 / 11
The decision
Start with valuations and payments.It covers its monthly fee from month 3and pays for itself in month 7 (modelled).
Fix valuations and payments first, then tenders and estimating, then site reports and records, with training alongside. The recommended route is the AI Partnership: £10,750 + VAT a month, six-month minimum.
Year-one value
£222,559
modelled staff time value
Year-one cost
£110,690
fees £64,500, software £14,400, your staff time £31,790
Pays for itself
Month 7
when modelled value passes the total cost. Covers the monthly fee from month 3.
Recommended route
AI Partnership: £10,750 + VAT a month, six-month minimum (£64,500)
All three builds and all training in one plan. Something built or improved every month, and your team trained on it. The other two routes are on page 9.
When this holds
If effective use reaches about 39.8%, against the 80% assumed, with all areas falling together and costs fixed. Below that, year one does not cover its cost.
Staff time, not cash
Every value here is staff time at employment cost. Decide now where freed hours go: more work delivered, less overtime, or fewer subcontracted hours.
Stays with your people
Measurement and valuation. Prices, terms and client promises. Every sign-off before anything is issued or submitted.
Nothing has been built, tested or measured during this study. Every benefit is a forecast until it is re-measured after each build.
Next step: name your sponsor and record owners this week. See page 11 →
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
03 / 11
Your business now
4 places to win back time.Keep your core systems.
60 people across Head office in Leeds, with live sites across Yorkshire, 60 of them in scope. Microsoft 365, SharePoint, Excel, your accounts system and your estimating software stay as they are. AI use today is occasional, with no agreed rules.
Ranked by how fast and how surely each pays for itself
1
Valuations and payments
Largest recurring workload. 14 live projects a month, 110 team hours a week.
£79,376
year one, modelled
38.4 of 110 hours a week back
2
Tenders and estimating
Reuses the same approved tender library. 3 enquiries a week.
£41,785
year one, modelled
22.4 of 90 hours a week back
3
Site reports and records
Next on the list, built inside the AI Partnership. 14 weekly reports, 60 team hours a week.
10 minutes a day each for 48 active people (assumption)
The process fixes carry most of the modelled value and are the best evidenced. Your AI Self-Assessment gave a range for each. This study narrows each to one figure from your own records.
Sort first, before any build
Name the owner of each record. Record the current templates. Confirm no client material leaves your Microsoft 365 tenant.
Not in this study
Contract disputes, final accounts and subcontractor payments, which are separate decisions. Site safety systems and an IT audit.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
04 / 11
Valuations and payments
Get about 38 hours a week backfrom valuation work (modelled).
Today 8 people spend 110 hours a week on 14 live projects valued each month. That is about £266,200 a year of staff time (110 hours × 44 weeks × £55).
Today
Live projects valued each month
14
Team hours a week
110
People
5 quantity surveyors, 2 site managers, 1 commercial manager
Already works well
Applications go in on the contract date, with commercial sign-off
What changes
A valuation assistant inside your Microsoft 365
Site records, instructions and the valuation workbook go in
A draft application comes out in your format, every line linked to its record
Missing evidence is listed before your commercial manager sees it
Nothing is submitted until your commercial manager signs it off
Today’s six steps, and where they break
Site manager
Record the progress
Quantity surveyor
Measure and value
Version hunting
Quantity surveyor
Price the variations
Repeated collation
Quantity surveyor
Compile the application
Repeated collation
Commercial manager
Check and approve
Gaps found late
Commercial coordinator
Submit and follow up
Hours a week, before and after
Stage
Today
After (80% use, from month 4)
Record progress, measure and value
45 h
45 h
Price variations, compile and submit
65 h
26.6 h
Total
110 h
71.6 h
38.4 hours
back each week
1,690 hours
back each year
£92,928
a year of staff time value at steady use
Not claimed: faster payment or fewer disputed items, because there is no baseline yet. No cash-flow benefit is counted.
Stays with your people
Measurement, the value of each variation, the amount applied for and permission to submit.
The build
£6,000 + VAT, fixed. One application format per contract type, up to 20 projects a month, 7 users.
Not included: final accounts, dispute papers, subcontractor payments, anything sent to a client without sign-off.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
05 / 11
Tenders and estimating
Get about 22 hours a week backfrom tender writing (modelled).
Today 5 people spend 90 hours a week on 3 tender enquiries a week. That is about £217,800 a year of staff time (90 hours × 44 weeks × £55).
Today
Tender enquiries a week
3
Team hours a week
90
People
1 estimating manager, 3 estimators, 1 coordinator
Already works well
A clear bid or no-bid decision, and every tender logged
What changes
A tender assistant working from your approved library
The tender documents go in
Every requirement and missing item is listed
A draft is made from your approved tender library only
Your director approves price and terms, and your estimating manager submits
Today’s six steps, and where they break
Estimating coordinator
Log the enquiry
Incomplete records
Estimating manager
Decide to bid
Estimator
Read the tender documents
Repeated chasing
Estimator
Get trade prices
Estimator
Build the tender pack
Repeated drafting
Director
Review and submit
Approval queue
Hours a week, before and after
Stage
Today
After (80% use, from month 5)
Log, decide and read
35 h
35 h
Price, compile and submit
55 h
32.6 h
Total
90 h
67.6 h
22.4 hours
back each week
986 hours
back each year
£54,208
a year of staff time value at steady use
Not claimed: any change in your win rate, because there is no baseline yet.
Stays with your people
Price, margin, programme commitments, exclusions, terms and the final submission.
The build
£6,000 + VAT, fixed. Two tender formats, up to 16 tenders a month, 5 users.
Not included: pricing itself, a new estimating system, data migration, portal automation.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
06 / 11
Site reports and records
Get about 12 hours a week backfrom weekly reporting (modelled).
Today 12 people spend 60 hours a week on 14 live projects reported each week. That is about £145,200 a year of staff time (60 hours × 44 weeks × £55).
Today
Live projects reported each week
14
Team hours a week
60
People
10 site managers, 1 contracts manager, 1 project coordinator
Already works well
Diaries are kept every day and reports go out every week
What changes
A site report assistant inside your Microsoft 365
The week’s diary entries and photos go in
A draft report comes out in the client’s format, photos placed
Your site manager corrects it and your contracts manager approves it
Nothing goes to a client until it is approved
Today’s six steps, and where they break
Site manager
Keep the daily diary
Site manager
File the photos
Repeated filing
Site manager
Write the weekly report
Repeated drafting
Contracts manager
Check and approve
Approval queue
Project coordinator
Send and file
Contracts manager
Answer client queries
Version hunting
Hours a week, before and after
Stage
Today
After (80% use, from month 7)
Keep the diary and file the photos
25 h
25 h
Write, check and send the weekly reports
35 h
22.2 h
Total
60 h
47.2 h
12.8 hours
back each week
563 hours
back each year
£30,976
a year of staff time value at steady use
Not claimed: faster answers to client queries or claims, because there is no baseline yet.
Stays with your people
What is said about progress, delays and risks, anything sensitive, and permission to send.
The build
Built inside the AI Partnership fee, live in month 5. Three client report formats, up to 20 projects a week, 11 users.
Not included: health and safety reports, incident records, programme updates, anything sent to a client without approval.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
07 / 11
Training
Train 60 people to use approvedtools on everyday work, safely.
One practical day for each cohort of up to 10, built on your own documents. 6 cohorts across months 1 to 3.
Who
Office, coordination and site management
Clear correspondence, accurate actions, dependable checking.
Commercial and estimating staff
Routine analysis from sources, within their own authority.
What they practise
Emails and letters
Draft, check and adapt to the job.
Site meeting notes
Turn approved notes into clear actions.
Spreadsheets
Check figures and explain the differences.
The assumption beside the break-even (minutes a day, per active person)
Modelled gain (assumption)
10 min
Break-even at steady use
6.5 min
Break-even in year one, while the ramp builds
7.6 min
The margin between the gain and the break-even is 2.4 to 3.5 minutes a day. That is thin, and it is the least proven part of this study.
Year one
£82,683 modelled value against £62,870 cost
1.32 times.
What the £62,870 is
Training fee
£18,000
Your people’s attendance
£24,750
Software licences
£14,400
Practice, set-up and support
£5,720
Total
£62,870
The £14,400 licences are the same single set shown in the total on page 8, not a second bill. Valuation, tender and weekly report work is left out of the training line, so no hour is counted twice. Modelled for 48 active people: 80% of the 60 trained.
What it needs from you
An internal sponsor. Protected time to attend. Your own material to practise on. A named person to follow through after each day.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
08 / 11
The numbers
It pays for itself in month 7,if use holds (modelled).
Year one: £222,559 modelled value against £110,690 cost, 2.01 times. Supplier fees £64,500. Software licences £14,400, paid to software suppliers, not Built Logic. Your staff time £31,790.
Modelled staff time value less cost, added up month by month. Not cash flow. Supplier fees £10,750 a month in months 1 to 6. Licences and staff time £3,849 a month across months 1 to 12. Each month’s modelled value passes the £10,750 fee from month 3.
The three ways compared, year one (shared costs counted once)
Route
Value
Cost
Balance
Custom-Built Systems, both processes Fees £11,000, licences for 12 users £2,880, acceptance time £880
£121,161
£14,760
£106,401
Training only
£82,683
£62,870
£19,813
AI Partnership: all three builds, plus training and support
£222,559
£110,690
£111,869
The process fixes stand on their own. Training adds more value, on a thinner and less proven margin.
The inputs (all illustrative in this example)
Staff time cost
£55 an hour (employment cost, not salary)
Working weeks
44 a year
Effective use
80% of eligible hours, with 48 of 60 trained people active
Training gain
10 minutes a working day, 220 days
Ramp
Valuations and payments from month 2, full use by month 4. Tenders and estimating from month 3, full use by month 5. Site reports and records from month 5, full use by month 7. Training from month 2, full use by month 4
Licences
£20 a person a month, 60 people, counted once
Your staff time
578 hours: training 554, build acceptance 24
If use is lower
Break-even at about 39.8% effective use, with all areas falling together and costs fixed. At 40%, half the modelled use, year one is £111,280 against £110,690: still £590 ahead.
Year two (assumption)
Supplier fees stop. Running cost about £46,190 a year (licences and your staff time, assuming participation continues at year-one level) against about £274,900 steady-year modelled value.
Not claimed: rework reduction, win rate, cash savings, fee income.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
09 / 11
Three ways to go ahead
Choose how much help you want.Each route works on its own.
Software, hosting and your staff time are separate on every route. All prices exclude VAT.
Training
£18,000
one-off
6 tailored days, one per cohort of up to 10
60 people trained on your own material
No builds and no ongoing support. One-Day Training, not tailored to your work, is £2,500 for up to 10.
Custom-Built Systems
£11,000
for both builds
Valuation assistant £6,000 and tender pack assistant £6,000, less £1,000 for one shared handover day
Handover training, the first month of support after go-live, and a follow-up a month after go-live
No training (add it for £18,000: £29,000 together) and no ongoing improvement. After the first month, support is a monthly Support Plan, agreed with the build.
AI Partnership
Recommended
£10,750
a month, six-month minimum (£64,500)
All three builds and all 6 training days
One process fixed or improved every month, and your team trained to run it
A monthly review of what is in use and what it put back
A six-month check against what was agreed at the start
Why the AI Partnership costs £35,500 more
Builds and training bought separately come to £29,000. The AI Partnership is £64,500 over its six-month minimum. The £35,500 difference pays for the site report assistant, built inside the fee, and the monthly fixes and reviews after the tools go live, so they keep improving instead of standing still.
Your study fee
Your £2,000 study fee is credited against your first AI Partnership invoice if you start the AI Partnership within 30 days of this study. It does not apply to training or a one-off build.
Payment terms for the delivery you choose are agreed in writing with its scope.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
10 / 11
The plan
Something built or improved everymonth, and your team trained on it.
Six months on the recommended route. Each tool goes live only after your people accept it.
Month
Built or improved
Trained
Your side
1
Record control and templates agreed; valuation assistant built and tested on 10 real applications
Record owners on the templates and access rules, plus cohorts 1 and 2
Commercial manager supplies templates and 10 test cases
2
Valuation assistant live after acceptance; tender pack assistant built and tested on real tenders
Commercial team at handover, plus cohorts 3 and 4
Commercial manager accepts; estimating manager supplies the library and test cases
3
Tender pack assistant live after acceptance
Estimating team at handover, plus cohorts 5 and 6
Estimating manager and director accept
4
Site report assistant built and tested on 10 real weekly reports; valuation assistant improved from its first rounds
Surveyors on the changes
Contracts manager supplies report formats and 10 test cases
5
Site report assistant live after acceptance; tender pack assistant improved from its first tenders
Site managers at handover, plus estimators on the changes
Contracts manager accepts; estimating manager lists what to change
6
All three improved from use so far
A refresher for the people leading each tool
Six-month check against what was agreed. Decide who runs all three from month 7
What “accepted” means
Every line is traceable to a record
Missing evidence is raised before review
Client material stays in your Microsoft 365 tenant
No valuation judgement is generated
A manual fallback that works
Only authorised material can be reached
Every answer is traceable to a source
Nothing is submitted without a named approver
How you will know
Each build is re-measured at week 8 and week 12 after it goes live, the same way as this study.
So you compare like with like. Full evidence and owners for each check are in the workbook.
BUILT LOGIC
Feasibility Study for Brackwell Tarn Construction
11 / 11
Your plan to keep
This plan is yours.Use it with Built Logic or without.
Everything another provider needs to quote against the same scope is in the workbook. Compare any provider on the same scope and checks, not the headline fee.
The workbook: Brackwell Tarn Construction Feasibility Study workbook v1.0.xlsx
1 Inputs
Every input, its label and its source
2 Monthly model
Value and cost by month, 24 months
3 Routes
Each route’s value and cost, shared costs once
4 Process records
Each process, stage by stage
5 Build briefs
Users, volumes, inputs, outputs, exclusions
6 Acceptance
Every check, its evidence and its owner
7 Sources and open items
Each with an owner, a deadline and its effect
What the figures rest on
Your valuation and tender records, your finance team’s employment cost and owner estimates by stage, and the inputs on page 8. Nothing has been built, tested or measured during this study. Every benefit is a forecast until it is re-measured after each build.
Still open
Item
Owner
By
Effect
Rate of disputed or reduced valuation items
Commercial manager
Month 2
No benefit claimed until it is measured
Exact role counts in each process
Operations sponsor
Month 1
Confirms hours and users for each build
Current template versions
Record owners
Month 1
Needed before either build starts
Each client’s report format
Contracts manager
Month 3
Needed before the site report build starts
Permissions and access rules
System owner
Month 1
Needed before any client material is used
Your next step
Name your sponsor and record owners this week.
Then choose a route. Start the AI Partnership by 30 October 2026 to keep the credit on your £2,000 study fee. Speak to Kristian Brown at Built Logic: [email protected]