Trying To Get Started

dantheman77

Hello,guys I'm trying to start my own business in site work.I have been doing site work for 12yrs now.I have experience in clearing,gravity sewer up to 35ft deep,water lines and concrete.I can operate anything from a roll to a 12h motor grader and curb machine.So I have been doing concrete driveways on the side.I have bidding the concrete down and I know how to figure up my dirt work.But I do not know how to figure up crush and run prices or pipe work or clearing does anyone have a formula for this?From what I hear clearing is like 4000-6000 an acre is that a good price?Also should I just stick with doing only 1 thing like pipe work cause it seems there is more money in pipe work.a guy told me (not sure if its true or not)they were getting 35$ a ft for 8" waterline.Hell I can put in a 1000ft in a 10hr day.Also Are there any websites I can go to and see upcoming jobs or general contractors are subbing out work in va?

wizendwizard

Try bidclerk.com as a tool to see what is going on in your area.

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dayexco

[QUOTE=dantheman77;410598] Hell I can put in a 1000ft in a 10hr day. QUOTE]

how big and how much equipment? how big of a crew? any valves, tie ins, hydrants involved? what are you using to compact the material back in the excavation? this include flushing and testing? that's a VERY impressive daily production rate.

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denick

dan the,

Your questions are very broad and area specific.

What is the size and density of trees or brush on acerage where you are?

What are you talking for pipe work? Pre construction developement? Or existing road work?

Are you able to put up the initial investment to do pipe work? Equipment? Crew? Insurance? and Bonding?

You'd need to put forth quite a bit more information about your situation for anyone here to help you on costs and pricing.

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dantheman77

Dayexco I used a 490 John Deere ,Volvo l70 ,and a D5 cat dozer.There was 4 of us on my crew. 3 hydrants,5 valves.3200ft Flushed and pressure tested in 5 10hr days.Plus backfilled but it was not in the road.

Denick really I guess what I'm looking for is a math formula to figure up 57 stone , 21a-b stone and rip rap?For the rest I guess I will have to call around and get prices for ductile pipe,RCP,and etc...

rino1494

Formula for material is LxWxH divided by 27 = cu. yds.

Example: 6" bedding + 8" pipe + 12" cover = 26" or 2.16'
2' wide trench x 2.16' deep x 1,500LF = 6,480
sq. ft.
6,480 divided by 27 = 240 cu yds.
Typical bedding material weights about 3,000 lbs per yd.
240 x 3000 = 720,000lbs divided by 2,000 = 360 ton.

On the jobs, there will be waste in material. I typically figure 12-15% for waste of material. 360 x 1.15 = 414 ton.

For rip rap such as R-4 and R-5, I figure about 2,600lbs per yd since it does not pack tightly and there are voids.

Also, I do not figure the volume of the pipe into the picture for bedding material unless the pipe is over 12" You always waste stone on jobs. I'll give you the formula to find the volume of a pipe.

Circumference of a circle = diameter x 3.1416
Area of a circle = diameter x circumference divided by 4
Volume of a circle = Area x length

Also, since you are figuring rip-rap, you must be doing slopes. So I'll give you the formulas to figure out area and volumes for triangles and slopes.

Area of a triangle = 1/2 base x length
Volume of a triangle = area x length

Length of a slope = horizontal distance x %

6:1 -- 1%
5:1 -- 2%
4:1 -- 3%
3:1 -- 5%
2:1 -- 12%
1:1 -- 41%

Example: A fill of 12' with a 2:1 slope gives a horizontal distance of 24'

24 x 1.12 =26.88' rounded up to 26.9
26.9 x 80' long = 2,152 sq ft. rounded to 2,150 for easy figuring.

I try to round my numbers to the nearest whole number or fraction. For example, a 2.71' cut I would round to 2.75. It helps keep things straight and prevents costly mistakes.

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