Detailed Estimating
Trade-level quantities and pricing structured around the way mechanical projects are actually procured and delivered.
- Equipment schedules
- Ductwork and pipework
- Labour and preliminaries
HVAC estimator · Perth, WA
Every detail.
Costed.
I turn mechanical drawings, specifications and site constraints into clear, buildable HVAC estimates—giving contractors the confidence to price, negotiate and deliver.
01 / CAPABILITIES
Built for informed bids.
Tender Review
A disciplined review of drawings, specifications and contract scope to expose gaps before they become variations.
- Scope alignment
- Clarifications and exclusions
- Supplier comparison
Cost Planning
Practical budgets and value-engineering advice for commercial, retail, residential and remote-area HVAC work.
- Concept budgets
- Option analysis
- Construction handover
02 / METHOD
From document set to defensible number.
Review
Interrogate drawings, specifications, schedules and contract requirements.
Measure
Build quantities and map every major cost driver against the scope.
Validate
Test supplier pricing, labour allowances, logistics and delivery risk.
Present
Issue a transparent estimate with qualifications that decision-makers can use.
03 / PROFILE
Commercial thinking. Mechanical detail.
I’m Jishnu Bala, a senior HVAC project manager and estimator with experience across commercial construction, retail upgrades, apartment developments and remote projects.
My approach connects design intent with site reality. I understand how equipment selection, access, programme, subcontractor scope and commissioning affect both the tender price and the eventual job margin.
04 / START A CONVERSATION
jishnu@jishnubala.comNeed a clearer HVAC number?
Available for estimating support and mechanical tender reviews in Perth and across Western Australia.