Ketterby Builders Tender: Marrinbah School Hall

Construction bid presentation: method, programme and price

A construction bid presentation has to show a tender panel how the building will actually be built, that the programme holds together week by week, and that the price can be traced line by line. Ketterby Builders, an invented contractor, presents its bid for a school hall to Marrinbah Public School, an invented school, in eleven slides built around one operating campus and a 34 week programme.

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TENDER

MARRINBAH PUBLIC SCHOOL · MARCH 2028

A New School Hall

in 34 Weeks

Method, programme and a fixed lump sum price of 6.42 million dollars before GST.

Declan Ostrowski

Project Director, Ketterby Builders

METHOD · PROGRAMME · PRICE

Slide 1 · cover · Names the project, the price and the programme on the cover, because a tender panel compares bids on those three first.

The Project

Tender for the new multipurpose hall, closing 24 March 2028.

01
The building

A 1,150 square metre steel framed hall with a full basketball court, a stage, a canteen and seating for 600 at assembly.

02
The site

Inside an operating school of 640 students, between the library and the senior playground.

03
The programme

Start 15 May 2028, handover 8 January 2029, so the hall opens for Term 1.

04
The price

A fixed lump sum of 6,424,000 dollars before GST, including a 5 percent contingency.

02

Slide 2 · pillars · The project as the panel defined it, in four facts, so the method that follows answers this site rather than any hall.

How the Hall Gets Built

Separate the site

Stage 1

Frame made offsite

Stage 2

Weathertight by week 20

Stage 3

Fit out in sequence

Stage 4

Handover in holidays

Stage 5

Stage 1

A 2.4 metre hoarding and a separate gate on the side street. Deliveries outside drop off and pick up times.

Stage 2

Steel frame fabricated offsite and erected in three weeks, which cuts the noisiest work on site by about half.

Stage 3

Roof and cladding closed by week 20, so internal trades work through spring without weather delays.

Stage 4

Services, then linings, then joinery and the sports floor, each trade signed off before the next starts.

Stage 5

Commissioning and defects in the summer holidays, with the school walking the hall twice before handover.

03

Slide 3 · process · The construction method in five stages, showing how the work stays clear of students.

The 34 Week Programme

Start 15 May 2028. Weeks 31 to 34 fall in the summer holidays.

Task
Wk 1 to 6
Wk 7 to 12
Wk 13 to 18
Wk 19 to 24
Wk 25 to 30
Wk 31 to 34
Site set up, demolition
Structure
Hoarding, gate, old shed removed
Earthworks, footings
Structure
Piers and pad footings
Slab and in ground services
Structure
Slab poured in two pours
Steel frame
Structure
Erected in three weeks
Roof and cladding
Envelope
Weathertight by week 20
Services rough in
Fit out
Mechanical, electrical, fire
Linings and joinery
Fit out
Stage, canteen, storage
Sports floor, acoustics
Fit out
Sprung timber floor
External works
Envelope
Paths, landscaping, lighting
Commissioning, handover
Handover
Handover 8 January 2029

04

Slide 4 · timeline · The 34 week programme by stage as a Gantt, so the panel can test the handover date against the sequence.

Price by Trade Package

Fixed lump sum, excluding GST. Each package was tendered to at least three subcontractors.

Package
Scope
Price
Preliminaries
Site team, hoarding, insurances, 34 weeks
$612,000
Demolition, earthworks, concrete
Shed removal, footings, slab
$1,020,000
Steel, roof and cladding
Frame, trusses, roof sheet, wall panels, glazing
$1,770,000
Services
Mechanical, electrical, hydraulics, fire
$1,364,000
Fit out and external works
Linings, canteen, sprung floor, paths, lighting
$1,352,000
Contingency
5 percent of the packages
$306,000
Total, excluding GST
Fixed lump sum
$6,424,000
Each package priced by three subcontractors.

05

Slide 5 · pricing · The price by trade package, so the panel can compare each line with the quantity surveyor's estimate.

SAFETY SYSTEMS

Students First

01
No site worker enters the school grounds outside the hoarding
02
Deliveries stop 30 minutes before each bell
03
Every worker is inducted and holds a valid white card
04
Permits for work at height, hot work and crane lifts
05
Pre start meeting every morning, reported to the school weekly

06

Slide 6 · checklist · The safety systems for building inside an operating school, stated as commitments the panel can audit.

The Site Team

The project manager and site manager are full time from week one to handover.

Declan Ostrowski
Project director, accountable for programme and price
Project Manager
Mira Okonjo
Client and school liaison
Site Manager
Bruno Achebe
Two foremen
Contracts Administrator
Lena Fairbrother
Variations and claims
Design Manager
Owen Tasker
Shop drawings
Safety Coordinator
Priya Sandhu
Inductions and audits
Services Coordinator
Tom Halloway
Commissioning

07

Slide 7 · tree · The site team as an org chart, so the panel knows who it will deal with every day.

Similar Projects, Planned Against Actual

Education and community buildings since 2023, possession to completion

Project
Contract value
Weeks planned
Weeks taken
Hallam Creek Primary, hall, 2026
$5.9M
32
31
St Aldric College, gymnasium, 2025
$7.4M
38
38
Wattle Park Primary, learning hub, 2025
$4.2M
28
29
Corrigan High, multipurpose hall, 2024
$6.1M
34
33
Bellbird Community Centre, 2024
$3.8M
26
26
Riverton Library, 2023
$5.2M
30
30
Six projects
$32.6M
188
187
Site possession to practical completion.

08

Slide 8 · metrics · Similar projects delivered, planned against actual weeks, so the 34 week promise has a record behind it.

Risks and Responses

From the risk register submitted with the tender.

Low
Likelihood
High
High
Impact
Low
Monitor
  • •
    Contaminated fill found in earthworks
  • •
    Steel price rise before order
  • •
    Subcontractor insolvency
Mitigate immediately
  • •
    Wet weather before roof is closed
  • •
    Deliveries clashing with school times
Accept
  • •
    Minor design clarifications
  • •
    Small colour selection changes
Prepare
  • •
    Late switchboard delivery
  • •
    Sports floor moisture testing

09

Slide 9 · framework · The main risks placed by likelihood and impact, with the response to each, because panels score risk management.

Why Ketterby

Three things the panel can check in this bid.

01
On programme before

Six similar buildings delivered in 187 weeks against 188 planned, including a 34 week hall.

02
Built around students

A separate gate, delivery curfews and a hoarding that keeps every worker outside school grounds.

03
A price you can trace

Five trade packages each tendered three times, and a 5 percent contingency shown openly.

10

Slide 10 · takeaway · Three reasons to award the contract, each tied to evidence earlier in the deck.

Questions Before Award

Clarifications answered within two working days until the tender closes on 24 March 2028.

Project director

Declan Ostrowski, Ketterby Builders

Email

tenders@ketterby.example

Phone

02 5550 9015

11

Slide 11 · closing · Names the contact for clarifications before the tender closes.

The structure

What each slide is doing, so you can reuse the order even with different content.

Slide 1cover
Names the project, the price and the programme on the cover, because a tender panel compares bids on those three first.
Slide 2pillars
The project as the panel defined it, in four facts, so the method that follows answers this site rather than any hall.
Slide 3process
The construction method in five stages, showing how the work stays clear of students.
Slide 4timeline
The 34 week programme by stage as a Gantt, so the panel can test the handover date against the sequence.
Slide 5pricing
The price by trade package, so the panel can compare each line with the quantity surveyor's estimate.
Slide 6checklist
The safety systems for building inside an operating school, stated as commitments the panel can audit.
Slide 7tree
The site team as an org chart, so the panel knows who it will deal with every day.
Slide 8metrics
Similar projects delivered, planned against actual weeks, so the 34 week promise has a record behind it.
Slide 9framework
The main risks placed by likelihood and impact, with the response to each, because panels score risk management.
Slide 10takeaway
Three reasons to award the contract, each tied to evidence earlier in the deck.
Slide 11closing
Names the contact for clarifications before the tender closes.

Slide by slide

Slide one states the building, the 34 weeks and the price. Slide two sets out the project: a 1,150 square metre hall, an operating school, the programme dates and the fixed lump sum. Slide three is the method. Slide four is the Gantt. Slide five is the price by package. Slide six lists five safety commitments for working beside students. Slide seven is the site team. Slide eight is planned against actual weeks on six similar jobs. Slide nine places the main risks by likelihood and impact. Slide ten gives three reasons to award, each tied to a slide. Slide eleven names the contact for clarifications.

How to adapt this deck

A design and construct bid should add a slide on the design team and the design programme before construction starts, since the panel is buying both. A bid for an occupied office refurbishment should replace the student safety slide with how tenants keep working during each stage and where noisy work is scheduled. A subcontractor bidding a single trade package should cut the Gantt to its own activities, show the interfaces with the trades either side and price by work area rather than by package.

What tender panels look for

The NSW Government's construction procurement guidance says agencies select contractors with proven performance records and manage contracts through monitoring and reporting, which is why slide eight shows planned against actual weeks rather than a list of logos. Safe Work Australia publishes the safe work method statement tool for high risk construction work, and a panel for a school will expect permits and inductions to be described, not promised. Panels commonly weigh method, programme, price, people and past performance, and this deck gives each its own slide.

What makes this deck work

The method answers the site

Slide three builds the method around 640 students on site: a separate gate and hoarding, a steel frame made offsite to halve the noisiest work, and commissioning in the summer holidays. A panel scores method on fit to the site, and every stage here names it.

The programme can be tested

Slide four lays ten tasks across six columns of weeks, from site set up to a handover on 8 January 2029, with the roof closed by week 20. The panel can check that the sports floor follows the services and that handover lands before Term 1.

The price and the record both add up

Slide five lists five trade packages that add to 6,118,000 dollars, plus a 306,000 dollar contingency, for 6,424,000. Slide eight shows six similar projects worth 32.6 million dollars delivered in 187 weeks against 188 planned, so the 34 week claim has history.

Questions people ask

What should a construction tender presentation include?

The project in the client's terms, your construction method, the programme, the price by trade package, safety systems, the site team, similar projects and their results, the main risks and your response, and a contact for clarifications. This example covers each in eleven slides for a tender interview.

How do I show a construction programme on a slide?

A Gantt with eight to ten tasks across columns of weeks or months is enough for a presentation. Name the milestones the client cares about, such as weathertight and handover, in the bar descriptions. The full programme stays in the tender documents, and the slide shows the logic.

Should the bid presentation show the price breakdown?

Yes, at trade package level. A panel compares each package with its own estimate, and a breakdown shows you have priced every part of the work. Showing the contingency openly, with its percentage, avoids the impression that it is hidden inside the packages.

How do I present safety for work inside a school?

As specific commitments a panel can audit: separation of the site from students, delivery times around bells, inductions and white cards, permits for high risk work and daily pre start meetings. Short statements read better than a policy summary and are easier to hold you to.

What past projects should a builder show in a bid?

Projects of a similar type, size and setting, with contract value and weeks planned against weeks taken. Six is a good number for a slide. Include the ones that ran late, as this deck does, because an honest record is more convincing than a perfect one.

Can I export the Gantt to PowerPoint?

Yes, on paid plans. In the editable PPTX export the Gantt artwork stays a picture but its labels become native text boxes, so task names and dates can still be corrected in PowerPoint. The PDF export, free on every plan, keeps the slide exactly as shown.

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