Installation Instructions
877-369-2562 | WWW.FOXBLOCKS.COM | 6110 Abbott Drive | Omaha, NE 68110
Fox Blocks ICF Guidebook V5MAR17
34
MAN HOUR RATES
• To budget a job properly for efficiency in crew size
• To budget a job properly to land job
• To be profitable
Man Hour Rates (MHR) have been around for decades. Most contractors document
their production rates without realizing that time / square footage built will give them
a man hour rate similar to one found in most cost estimating programs, such as RS
Means. For most Insulated Concrete Forms (ICF) this has become a common practice.
Over 20 years of history have established accurate numbers to budget future jobs with.
MHR JOB TYPE
1
.055 or less Very efficient crew building a simple job with less than six
corners, less than four openings and few or no embeds.
2
.06
.065
.07
Average job with less than eight corners,
less than eight openings, and less than eight embeds.
3
.075
.08
.085
Most common MHR for new crews on moderate or large jobs.
This covers complex residential jobs with 12 or less corners.
This MHR area also works with large commercial jobs with
basic 16" o/c rebar and few openings.
4
.085
.095
.10
.105
Very complex residential jobs with 12 or more corners and many
openings and embeds. Also includes commercial jobs with
many openings and embeds or more than 3 levels in height.
5
.11 and over Jobs with at least three of the following:
More than 8 short corners (30" or less), high seismic rebar design,
more than 20 openings, many embeds, extreme weather, using
the wrong scaffold for wall height, over 3 levels in height.
Square Foot of Job (SFJ) = Length * Height (of Fox Walls being built)
SFJ * MHR = MAN HOURS TO BUILD JOB
Example: Job has 180 Lineal feet (LF) of wall that is 12' tall. 180 * 12 = 2160 square feet (SF)
Job has 6 corners with 6 openings and basic 16" o/c rebar design. Crew has a bit of experience and ICF scaffold
is used. We recommend aiming for a .075 MHR but use .085 MHR as a budget number. With experience you will
become more efficient, landing more work with more profit.
2160 * .085 = 183.6 Total Man Hours (TMH) for job
183.6 TMH / 6 man crew = 30.6 Total Crew Hours (TCH)
These numbers are estimates only. Many factors will eect the outcome of a job which needs to be taken into account. Please document all work and reect
back to your own crews history when completing budgets for upcoming work. We would like to thank contractors for sharing past history allowing us to build
accuracy into this document.
NOTES:
Size of job is not as big of a
factor as you would think.
The only time the size of job
is really a factor is when the
job is so large that the crew
can gain speed while building,
which lowers the MHR. This will
usually be on jobs over 20,000
square feet using the same
crew throughout.
WAYS TO LOWER
YOUR MHR:
1. Pre-Plan Job
2. Proper Size Crew for Job
3. Stage Materials Close to Job
4. Use Proper Scaffold/Bracing
5. Pre-Build Opening Bucks
6. Proper Rebar Placement
7. Fox Training for Crew
Estimating Fox Blocks