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Old 10-12-2014, 10:09 PM
CalebK CalebK is offline
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Location: Va
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How would YOU determine amount of seed/fert needed?

Just started my company in April of this year. I'm about 7 months in and still learning a lot. I got a call this week from an apartment complex wanting a quote for aerating, overseeding, and fertilizer.

I'M NOT ASKING ANYONE HOW MUCH I SHOULD CHARGE.

I'm asking how you would approach an estimate like this. I've walked the property over a couple times but because there are so many walkways, there are way too many small patches of lawn to measure with a wheel.

I'm estimating it will take me 13 man hours to aerate:
5 hours on my zero turn with a 36 inch pull-behind plugger
8 hours with a 30 inch walk-behind plugger

I'm estimating that I'll need:
(4) 50lb bags of contractors mix grass seed
(6) 40lb bags of 10-10-10

Do these numbers sound close to what you would come up with?

I've attached a photo of a google area calculator as well as the measurements. These of course, include all the paved areas as well as the buildings.

Thanks for any wisdom you guys might offer up!
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Old 10-12-2014, 11:20 PM
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RigglePLC RigglePLC is offline
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True, almost impossible to measure. You will have to do some work. After a time you get better at estimating, LOL.
Probably I would walk the property and measure the big areas with a wheel. The smaller areas I might measure the length and estimate the width. The front yards for instance are very similar in depth--they are mostly in 3 unit buildings--not too different. Judging by the length of the cars--about 20 feet deep and a hundred feet long. The labor is going to eat up some extra time due to the many small areas. Feel free to measure it without deducting the sidewalks as they just slow you down.

Suppose 2 fifths was grass=2 acres or 88,000 sqft (88K).
You would need about 7 50 pound bags of fert and 7 50 pound bags of seed.

Never use 10-10-10 fertilizer; cheap, quick-release, but, not enough nitrogen for green (only 10 percent), and too much phosphorus, (phos has no greening power, not needed and probably not legal, if you are anywhere the Chesapeake Bay watershed.)

Never use "Contractor's mix" grass seed. "Contractors mix" is the label usually used for cheapest possible--its feces. They mean for cement contractors to fix dug-up areas along road construction. Try to get your client to spring for something higher quality.

Read a few thousand posts on this site and you will get a fuller understanding of professional lawn care as we see it. Talk to your supplier's salesmen; buy them lunch. They have a lot of information to share. And this winter study the book and get your pesticide spraying license.
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Old 10-12-2014, 11:23 PM
CalebK CalebK is offline
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RigglePLC,

Thanks for the response. Very insightful and highly appreciated.
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Old 10-12-2014, 11:26 PM
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grandview (2006) grandview (2006) is offline
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I would take the biggest one and figure how look it would take to do it. Then multiply by how many units.
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Old 10-20-2014, 10:58 PM
grassmasterswilson grassmasterswilson is online now
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Quote:
Originally Posted by grandview (2006) View Post
I would take the biggest one and figure how look it would take to do it. Then multiply by how many units.
That's the easiest way. Measure one unit and multiply by number of units.

I'd apply a stater type fertilizer and a premium seed. Seed will probably be at 4-8 lbs per 1000
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Old 10-21-2014, 08:27 PM
CalebK CalebK is offline
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Quote:
Originally Posted by grassmasterswilson View Post
That's the easiest way. Measure one unit and multiply by number of units.

I'd apply a stater type fertilizer and a premium seed. Seed will probably be at 4-8 lbs per 1000
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Thanks for the help. Turned in an estimate. Now awaiting the response...
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