Commercial in Confidence · Tender Proposal · Valid 30 Days · Subject to BL Air Terms & Conditions
Commercial in Confidence · Tender Proposal
GYG Strathpine
90 Gympie Road, Strathpine QLD
Quote Order No. 2881 · Issued 16/4/2026

Prepared For
SJ Higgins Group
Josh Toy · 03 8552 2800
Customer Job No. 2881
Prepared By
BL Air Mechanical Services
Unit 24, 72 Metroplex, Wacol QLD 4067
Jack Madden
Managing Director
M: 0411 048 441 · jack@blairmechanical.com.au

1. Introduction
BL Air is pleased to provide this Tender Submission for the Mechanical Services Scope. We welcome the opportunity to discuss any aspect of the submission and look forward to working with you on this project.
2. About BL Air
Commercial mechanical services. Delivered end to end.
BL Air is a commercial mechanical services contractor delivering design, installation, commissioning, and ongoing maintenance across Queensland and Victoria. We partner with builders, developers, and principal contractors on projects from high-rise residential and commercial fit-out through to hospitality and education — and we hold every project to the same standard regardless of scale or sector. Our approach is disciplined: licensed tradespeople on every job, a dedicated Project Manager on every project, transparent pricing at tender, and a commitment to finishing what we start. No second-tier teams, no compromise on compliance, no surprises at handover.
Our Commitments
Quality without compromise
Every installation tested, balanced, and commissioned against the design intent. NEBB-certified TAB, full compliance documentation, zero shortcuts.
Safety-first delivery
Fully inducted, licensed, and insured teams. Site-specific SWMS, active supervision, and a genuine duty of care to every trade on site.
Transparent pricing
Detailed, line-by-line tenders. Open-book variations against documented change. No hidden margins, no late-stage surprises.
Long-term partnership
Preventative maintenance programmes, preferred-contractor relationships, and repeat delivery for builders who want certainty of outcome.
Sectors We Serve
High-Rise ResidentialCommercial Fit-OutEducationHospitality & QSRRetailIndustrial
Our Capabilities
01
Design & Construct
Lead contractor for end-to-end mechanical delivery. Preliminary design for pricing through to certified construction, commissioning, and handover on projects from $100k to multi-million.
02
Commercial HVAC
VRV, VRF, ducted split, chilled water, and roof-mounted packaged systems for offices, residential towers, retail, and fit-outs — selected and sized to suit the building, not the catalogue.
03
Kitchen Exhaust & Make-Up Air
Specialist capability in QSR and hospitality. Stainless steel canopies, grease management, VSD-controlled kitchen exhaust, and fully code-compliant make-up air to AS 1668.2.
04
General Ventilation & Exhaust
Car park ventilation, amenities exhaust, bin room exhaust, and smoke spill systems. Code-compliant to AS 1668.2 with certified commissioning outcomes on every project.
05
Commissioning & Handover
Full testing, adjusting, and balancing by NEBB-certified technicians. Commissioning reports, airflow verification, as-built drawings, and O&M manuals — everything the building operator needs on day one.
06
Preventative Maintenance
AS 3666 maintenance programmes. Monthly scheduled inspections, 24/7 reactive support, and performance optimisation that protects asset value across the lifecycle.

3. Our Process
Every project we deliver follows the same six-stage process. It keeps pricing accurate, reduces variations during construction, and ensures the system performs when you hand over the building.
01
Design & Pricing
We review the design documents, carry out any required preliminary design-and-construct work, and issue a detailed tender based on current drawings and specifications.
02
Award & Engineer Certification
On award we engage the engineer of record for certified construction drawings. Any design changes are flagged and priced before materials are committed.
03
Procurement & Pre-Construction
Equipment ordered against certified schedules. Long-lead items flagged early. Shop drawings coordinated with architect, structural, and other services.
04
Delivery
Licensed mechanical tradespeople deliver the install to program. Dedicated PM on every project, weekly site coordination, QA checkpoints at each milestone, and proactive clash resolution with other trades.
05
Commissioning & Balancing
NEBB-certified testing, adjusting, and balancing across every system. Commissioning reports, equipment start-up, and airflow verification against design. All compliance and statutory documentation issued on completion.
06
Handover & Aftercare
O&M manuals, as-built drawings, warranty certificates, and walk-through with the building operator. 12 months defects liability and monthly preventative maintenance visits included on every design-and-construct project.
4. Project Description
The GYG Strathpine project is a new Guzman y Gomez store fit-out at 90 Gympie Road, Strathpine QLD. The mechanical services scope covers supply, installation, testing, commissioning, and 12-month maintenance of the complete air conditioning, ventilation, and kitchen exhaust systems in accordance with GYG approved mechanical drawings, specifications, and NCC requirements.
5. Project Cost
Our Tender Submission price for the project is shown below.
Total (Mechanical Services Package)
$293,370.00
Exclusive of GST
6. Scope of Works — Included
The following scope is included in our tender price, grouped by system for clarity. All works carried out in accordance with the GYG approved mechanical drawings, specifications, and NCC 2022 requirements.
A. Design, Compliance & Coordination
✓Supply, install, test, commission and maintain a complete mechanical services installation to GYG approved drawings and NCC 2022
✓Review and coordination with GYG's nominated mechanical engineer on shop drawings prior to manufacture
✓Full commissioning with airflow data recorded across all systems
✓Provide as-built drawings and O&M manuals on completion
B. Air Conditioning — Kitchen / BOH & Dining / Servery
✓Roof-mounted reverse cycle packaged AC unit to Kitchen / BOH areas (Actron — PAC.01 as specified)
✓Roof-mounted reverse cycle packaged AC unit to Dining / Servery areas (Actron — PAC.02 as specified)
✓Deep bed bag filters included with packaged unit installation
✓Vibration isolation — packaged units mounted on two layers of 9mm waffle pad separated with 3mm galvanised metal plates
✓Anti-vibration mounts and weatherproof connection boxes at all condensing units
C. Kitchen Exhaust System
✓Stainless steel kitchen exhaust canopies (KH.1 main hood, KH.2 fries hood)
✓Honeycomb grease filters to exhaust canopies
✓Integrated heat-resistant LED lighting within canopies
✓Perforated stainless steel make-up air front (25% free area, 4mm dia. round perforations, max 0.7 m/s velocity)
✓Fantech CGD kitchen exhaust fan c/w ABB VSD and grease tank
✓Make-up air system c/w ABB VSD, deep bed air filters, noise attenuators and fan
✓Kitchen exhaust ductwork — 1.2mm galvanised iron, grease-resistant sealant joints, graded back to canopy at 1:200
✓Holyoake ADC-2 access panels (450×450mm min) at required intervals per AS1668.2
✓50mm brass drain plug at base of each kitchen exhaust duct riser
✓Fantech RVC063 roof cowl c/w weather flaps and bump stops
D. Fresh Air, Make-Up Air & Ventilation
✓Ducted filtered kitchen supply air make-up system compliant with AS 1668.2
✓Toilet exhaust system ducted to atmosphere with compliant terminations
✓Bin room exhaust system ducted to atmosphere with compliant terminations
✓Maintain 100 L/s pressurisation over total exhaust air quantity
✓Relief air provision to ensure store pressure does not exceed 10 Pa
E. Ductwork & Air Distribution
✓Supply, return and outside air ductwork to AS 4254 and SMACNA, 500 Pa static pressure class
✓NCC Section J thermal insulation to all ductwork
✓Celmac 40 MLA aluminium fixed volume control dampers (outside, supply and return)
✓Holyoake P3 cushion head boxes c/w internal acoustic insulation and round flexible duct spigots
✓Air diffusers, grilles and registers — front of house black, back of house white, colour matched to ceiling
✓Eggcrate return air grilles in kitchen c/w hinged core, removeable pre-filters and securing chains
F. Controls & Commissioning
✓Mechanical control system — full sensors, actuators, controllers, interfaces, interlocks, alarms, wiring
✓Wall-mounted sensors for Dining Room AC
✓Return-mounted sensors for Kitchen / BOH AC
✓Proprietary AC controllers in lockable perspex enclosures above MSSB
✓Manual stainless steel engraved on/off control panels with green LED run indication, adjacent Manager's Desk
✓Combined variable-speed pot controls for kitchen exhaust + make-up air fans
✓Timeclock override controls to enable/disable mechanical systems
✓Testing, balancing and commissioning by NEBB-certified technicians — copies included in as-built documents
G. Electrical — Mechanical
✓Mechanical Services Switchboard (MSSB) — 160 A, wall-mounted, powder-coat grey, 30% spare capacity
✓All power and control wiring to mechanical plant installed under this contract
✓Variable speed drives (ABB) for all kitchen exhaust fans and associated make-up air systems
✓Termination and connection of power submains to MSSB (submains by others)
✓Fire interlock / fire trip connections to mechanical equipment where required
✓Termination of dry fire by others
H. Installation, Isolation & Penetrations
✓Colorbond sheetmetal hat-section flashings to all exposed refrigerant pipework
✓Decktite flashings to all electrical conduit roof penetrations
✓Escutcheon plates around all pipework and ductwork penetrations exposed to view
✓Insulated condensate drainage (1:60 fall) between AC units and tundishes provided by others
✓Vibration isolation to all installed mechanical equipment — double deflection spring isolators on make-up fans
✓Hoisting into position of all mechanical plant installed under this contract
✓Labelling of the completed installation
I. Warranty & Ongoing Maintenance
✓52 weeks (12 months) defects liability on all new systems and equipment
✓52 weeks full labour and parts warranty on the complete mechanical installation
✓12 months preventative maintenance with monthly visits in accordance with AS3666
✓State Government certification that installation complies with NCC
Lead times for Actron packaged equipment are currently 7–9 weeks. We recommend early order release to protect the programme.
7. Exclusions — Not Included
The following are not included in our tender price and are deemed the responsibility of the Builder, Hydraulic, Electrical, or other nominated trades.
A. Builder's Work
✕All builder's work, cutting, patching, framing-up, furring-in, chasing and making good of ceilings
✕Cutting and coring of holes and penetrations through walls, slabs, and roofs
✕Kerb upstands, underflashings and overflashings around roof penetrations
✕Clear openings through existing building structure for ductwork and pipework
✕Demolition or de-notation works
✕Plinth surrounds and associated concrete works
✕Plant deck and associated structural steel
✕Any set-out works
B. Access, Safety & Hoisting
✕Scissor lifts, EWPs and scaffolding
✕Crane hire and associated lifting operations
✕Aluminium mesh walkway, man-safety harness points and ladder brackets (access to roof plant)
✕Ceiling-mounted access platforms for ceiling-space maintenance
✕AS1657 access certification for roof and ceiling-mounted mechanical plant
✕After-hours work
C. Fire & Compliance (by others)
✕All passive fire works and certifications
✕Form 15 — Design certification
✕Termination of fire trips
✕NCC Section J thermal insulation to building fabric (Builder scope)
D. Electrical by Others
✕Power submains to the Mechanical Services Switchboard
✕Light and power wiring or installations unrelated to mechanical plant
✕Connection of power wiring to lights within kitchen canopy (Builder's electrical)
E. Hydraulic by Others
✕Supply and installation of tundishes
✕One (1) hose cock on roof plantdeck for condenser wash-down
✕Tundish supply and installation for condensate drainage
F. Structural & Seismic
✕Seismic restraints or works (not included in the design documents)
✕Structural steelwork supporting roof plant
G. Other Items Excluded
✕Cages around condensers (unless specified)
✕Acoustic sealing and acoustic or aesthetic screens to roof plant
✕Installation of door grilles and external louvres (door grilles supplied by us)
✕Undercutting of doors
✕BMS works (unless specifically included)
✕Coolroom / freezer equipment, refrigeration and associated electrical works
8. Confidentiality
Our budget submission is submitted in confidence to your company and shall not be issued or distributed to other parties and stakeholders. BL Air shall treat all tender correspondences in confidence.
9. Quotation Terms
This offer is valid for 30 days and/or to the next material price rises. This offer is subject to BL Air Terms and Conditions of Trade.
10. Design & Scope Variation Clause
This tender is based strictly on the current design drawings and specifications provided at the time of pricing. Any changes, omissions, or additions arising from subsequent shop drawings, revised design documents, or client-requested modifications will be deemed variation works. These variations will be priced separately, and no work will proceed on the variations until written approval and acceptance of the associated costs are received from the client. BL Air Mechanical Services Pty Ltd reserves the right to adjust project timelines to accommodate any such changes.
To avoid misunderstandings, it is the client's responsibility to ensure that all issued design drawings are final and coordinated prior to commencement of works. BL Air Mechanical Services Pty Ltd will not absorb costs related to design discrepancies or late-stage amendments beyond the scope of this tender.
11. Acceptance of Tender
To accept this tender, click the button below. Your email client will open with a pre-filled acceptance message addressed to the BL Air team. On receipt, we will issue a Letter of Acceptance, engage the certified mechanical engineer of record, and commence procurement of long-lead equipment in accordance with the project programme.
One-click digital acceptance
Accept This Tender →Opens Gmail compose. Prefer a different email client? Use the "Plain email" link below.
12. Reference Drawings
Drawings attached for reference. Tender is based strictly on these drawings as issued.
Drawing 1 — GYG Strathpine — Mechanical Construction Issue (BRT Consulting, M01–M10)Open ↗ Drawing 2 — GYG Lessor/Lessee Base Build & Mechanical Scope of Works (Rev F, V20)Open ↗ Regards
Jack Madden
Managing Director
M: 0411 048 441 · E: jack@blairmechanical.com.au
Licenced & Accredited
QBCC
Queensland Building & Construction Commission
Licence No.
15505033
ARC LICENCE
Australian Refrigeration Council
Licence No.
L164764
ELECTRICAL LICENCE
Queensland Electrical Contractor
Licence No.
161328
VBA
Victorian Building Authority
Licence No.
126957