On 1/2/14 11:02 AM, Grant Saviers wrote:
Some estimates, probably high side for rural LA -
mini excavator plus operator $130/hr x 4hr dig + 1hr set cage = $650
concrete line pumper $130/hr x 3 = $390 plus offsite cleanup $200
laborer $25/hr x 8 x 2= $800 to move the dirt, two wheelbarrows into
dump trailer (HD guys here are $15/hr)
trailer and dirt disposal $40/yd x 7 = $210
concrete $130/yd x 7 = $910
precut/bent rebar cage = $300 plus your time to wire it up or tack weld
top forms = 2 x 8's, stakes, $100
finish concrete 2hrs of laborer $50
concrete vibrator rental $80
$3750 if you do a the GC organizing work and tie the cage. Or add 25%
to 50% for profit and "conditions" for a GC. I suspect your quotes are
based on "I've never done this before and have other easier jobs
available."
Tack weld the bolts together with #3 rebar when attached to the base so
they don't move when set without the base to make concrete work easier.
You can do it, all equipment can be rented and find a friend with some
backhoe/excavator experience.
Have fun!
A significant difference between "homeowner as GC" and "hire contractor"
is the whole liability insurance aspect, particularly with respect to
the labor. Someone in the business of construction has to carry workers
comp and liability insurance, and for construction trades, workers comp
is pretty expensive, at least on a percentage of wages basis.
Concrete work is classification 5201, excavation is 6218. In
California, the former has rates from 15-23%, the latter about the same.
In some states (Washington), workers comp is on a per hour basis, and
general landscape construction is about $1.50/hr.
and then you've got FICA and unemployment taxes, which add about another
8% or so.
So a contractor may be paying $15/hr in wages but that costs them maybe
$25/hr once all the other stuff is factored in. If you go hire "day
labor" at the local HD, you might pay $10-15/hr in cash.
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