Shotcrete estimates are all over the place. based on my pool plans, I come up with the following on the extreme upper end using more than the perimeter or base dimensions of my proposed pool:
Floor:
40ft x 18ft x 0.5ft = 360 cu ft
Walls:
(40ft x 2sides + 18ft x 2sides) x 4ft Depth x 0.5ft = 232 cu ft.
Total is 592 cu ft / 27 cu ft per cu yd = 22 cu yds.
Add in 20% for waste, spa etc and I come up with 26 cu yds.
I've got one estimate for $3,200 min and $85 (seems low or I missed the 2 in $285 and heard $85)/cu yd over 36 cu yds, maybe around $6,000.
I've got another for 40 to 45 cu yds at $260/cu yd or between $10,400 and $11,700 plus set up and formwork if needed. When I called him on it he said you only pay for what you use. Who's measuring? I'll need weigmaster certs for that but based on my numbers I should be able to do it with a couple 12 cu yd trucks.
I have a third at $285/cu yd, so your looking at or just under $10,000.
Do these guys not read or go off plans when giving a bid?
I'm pretty good with math and arithmetic but these numbers seem way wrong (at least the first and third estimate). If the second is right the $3,200 minimum works out to $3,060 for 36 cu yds at $85/cu yd plus $140 set up.
Help me out and check my math. I'm using a rough estimate for a pool larger than I'm building then increasing it by 20%. Am I missing something?
