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!
Grant KZ1W
On 1/2/2014 9:05 AM, Marsh Stewart wrote:
I live in NW Louisiana. I'm looking for a concrete contractor to install a
base per specs for a US Tower HDX-555. I need a hole 5' X 5' 7.25', rebar,
about 7 cubic yards of concrete, and 3 anchor bolts in the right place. I
have the anchor bolts and base. (If the layout of my lot, house, and pool
would allow it, I'd put up 60' of Rohn 45G, with 2 sets of guy wires.)
A major consideration is that access to my backyard is 42.5" wide through a
walk gate and between an A/C compressor and a brick wall. If the A/C
compressor were temporally removed the width of access would increase 4" to
46.5" - not wide enough I'm told for even the smallest of back hoes.
Removing a section of fence for better access is not an option.
Almost surely the hole will have to be dug by hand and the excavated dirt
moved by wheelbarrow to the front yard to be scoped up by a front-end
loader.
Bid #1: $6,880 - contractor never showed up. The one time I did run him down
to check with him he wanted to change the specs to a 6' X 6' X 6' hole.
Right or wrong, I'm going to go by US Tower's specs.
Bid #2: $9,000
Do those prices sound reasonable? They sounds high to me, but I have no
reference as to what concrete work should cost.
73,
Marsh, KA5M
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On 12/24/2013 9:29 AM, Mike Reublin NF4L wrote:
I want to see if I can get a reasonability check on the price to
pour the base for my HG-70HD. 4x4x7 1/2 feet. I'm getting the base
from HG.
Bid #1. Did hole by hand, bring concrete from street with a power
wagon. 3000# mix. $1500.00.
Bid #2. Dig hole with "trencher". pump concrete from street, 3000#
mix with fibers. $2500.00.
73 & Merry Christmas,
Mike NF4L
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