Source document: https://docs-lawep.s3.us-east-2.amazonaws.com/1697645902079.pdf (Australia)
Item design survey site supervision certification Proj Mgmt building footings footings ablution fencing site office estimated cost $10,000 $1,200 $15,000 $5,000 $10,000 $120,000 $12,000 $12,000 $3,900 hire unit with sewer tank @$150 per week $3,000 $9/m for six mths $2,500 $90/wk carpet painting $6,000 $5,000 hydarualic mechanical electical earthworks earthworks external works landscaping misc access ramp $1,000 20mm copper connection from existing ablutions $2,000 allowed 8 hours for 20t crane to travel to site and lift units $5,000 240 volt reticulation $3,000 bobcat/backhoe to strip topsoil and dig footings $3,000 bobcat/backhoe to strip topsoil and dig footings ?
??

$3,600 Turf at $12/m2 laid on topsoil/assumed about 300m2 $100,000 provision for items not quantified $30,000 will cover more than what is there sub total $338,200 profit margin $50,730 15% industry standard Total Total $388,930 $388,930