“ T “ Junction – Half (1/2) breadth wall measurement should be deducted for a T junction. “ L “ Junction – There is no need to deduct from total centreline length. So there is o need to add or deduct anything to the measurement when takeoff quantity. But the measurement of blue coloured area will not be included in any instance such as when calculate the measurement of yellow coloured area or when calculate the silver coloured area. Here the green coloured area will be calculated twice when takeoff quantity.
So the green coloured area should be deducted once from the measurement when takeoff quantity. D Standard Designs Transmission Lines Type HS-1 115kV Suspension Structure 110. Here, the green coloured area will be calculated twice when takeoff quantity. B Standard Designs Transmission Lines Type 3TA-1 69 and 115kV 3-Pole Tension Structure 109. But the calculations should be carefully noticed in junctions or cross walls such as L, T or +. MEASURE QUANTITY BID AMOUNT - 1 074016 CONSTRUCTION SITE MANAGEMENT LS 1 10,000.00 10,000.00 2 (S) 074017 WATER POLLUTION CONTROL PROGRAM LS 1 1,000.00 1,000.00 3 074032 TEMPORARY CONC. Here, the center line is multiplied by breadth and the height to take out the necessary quantity (center line X breadth of wall X height). The center line act as “length” for calculation of an estimate by this method. You can create a new job and import the project drawings in PDF/TIF/DWG format. Trick of the Trade 4: When thinking of roof problems you just need to worry about three things. But the method is more suitable if the offsets of the building are symmetrical. PlanSwift is a digital construction estimating software, which is suitable for all kinds of construction projects including commercial and residential buildings. QUANTITY TAKE-OFF ROOFING Roof material quantity take-off are pretty easy trig problems, but I will go over it quick to make sure you get it, because most likely a question will be on the PE exam. This method is easy or quick as to calculate even from work site. This is another method of taking out quantities for construction estimation.
Length of long wall measurement decreases while length of short wall measurement increases, when notice the measurements from foundation to super structure.Ĭalculate the quantity of excavation for the given plan using long wall – short wall method? Short wall length in-to-in = c/c length – 1/2 breadth on one side – 1/2 breadth on the other side Long wall (out-to-out) = c/c length + 1/2 breadth on one side + 1/2 breadth on the other side
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