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Electrical Estimating Questions

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Free Estimating Help #20

Understanding Man-Hours Every proper electrical estimate must include the time that it will take to install all of the material. This is based on calculating the installation time of each item down to the manhour. Therefore, it is important to understand the use of man-hours. So, what is a manhour? The definition of a Man-Hour […]

Free Estimating Help #19

Note: As shown in the example above, I suggest scaling each feeder and recording the distance on the one line diagram as shown in the example above. As with all estimating, we will break the whole into smaller sections. 39 We now perform a takeoff of the feeders. Riser to MDP Note: The heights of […]

Free Estimating Help #18

Next, look to see if you have access to the HVAC equipment schedule to determine what kind of units will be installed. Some of the different types may be as follows: 01. Split Systems, which would have an air handler and a condensing unit 02. Package units, which connect in one location 03. Gas Packs, […]

Free Estimating Help #17

The feeders can be fast and easy to record, but this is also where the big money is, so spend extra time by measuring twice. Checklist should include the following: 01. Aluminum or Copper conductors 02. EMT, PVC or Rigid raceways 03. PVC or Rigid 90’s for underground feeders. 04. Backfill with existing material or […]

Free Estimating Help #16

Note: Read the specifications and determine what type of raceway and fittings that you will be using. Record the type of device that is required along with the faceplate. When applying your assembly, if you are including the complete raceway system, be sure that you include ____ couplings per ____ ft of raceway. Also, adjust […]

Free Estimating Help #15

Creating your assembly Now that you have the quantities recorded, it is time to create an assembly. This terminology is used to describe what products are brought into the estimate to install the quantity of switches that you have counted. It can be as simple as just a device and matching plate to as elaborate […]

Free Estimating Help #14

Switch Takeoff The next step in the natural progression of the estimate would be to count the devices. We start with the switches to follow the order of most plans. As with all phases of estimating, there are different thought patterns to this procedure. We have found that by performing the takeoff as the plans […]

Free Estimating Help #13

M=Moderate—Recessed lights installed in a lay in ceiling 9’ tall or less. C. D=Difficult—Bay fixture installed off a lift. D. E=Extreme—Custom chandeliers or large architectural lighting. E. P=Pole lights-Site Lighting Identify each fixture with its own tag of difficulty. This will speedy you up when entering your counts and adjusting labor. TIP: Don’t assume that […]

Free Estimating Help #12

Lighting Takeoff We suggest that you perform the lighting takeoff first. It is often the first page of the drawings past the site pages. The Lighting Quote usually takes the longest to return, so by performing it first, it gives the Supply House ample time to receive completive pricing. I suggest the use of a […]