How to Estimate Construction Jobs
How to Estimate Construction Jobs Accurately estimate construction jobs in just five steps for ensuring project success within time and budget. Construction estimation Can be tough but by dividing it in steps will simplify the process. Here’s how you can estimate construction jobs effectively in just five steps: Step 1: Understand the Construction Project Scope The first step of estimating a construction job is to understand the project scope. To understand the scope review the project’s plans(Drawings), and specifications. Here’s how to effectively understand the project scope: 1. Study Architectural Drawings and Blueprints: Study all drawings, and blueprints and understand type of drawings, including site plans, floor plans, elevations, sections, and detail drawings. 2. Analyze Specifications: Read the specifications provided in drawings/documents and understand material requirements including brands, models, and types. Then understand the standards for installation, construction methods, and finishing following the building codes and regulations. Step 2: Material Takeoff and Labor Estimation After understanding the project scope, the next step is material takeoff and labor estimation. Accurate quantity takeoff and labor estimates helps in budgeting and scheduling the project timeline. Method of Material Takeoff and labor estimation: 1. Material Takeoff: Material takeoff is not the first but it is the most important step in construction estimating process. Material takeoff can be done manually or by using digital tools or software’s like PlanSwift, Bluebeam Revu. It involves measuring and counting all the materials required to complete a construction project. 2. Labor Estimation: Estimate the number of labor hours required for each task one by one following the CSI division. Determine the crew size and types of labor involved (e.g., carpenters, electricians, plumbers). Step 3: Calculate Equipment and Overhead Costs Calculating equipment and overhead costs is important for creating a construction estimate. Equipment costs include the expenses associated with the machinery and tools needed for the project, while overhead costs includes expenses that keep the project running smoothly. 1. Equipment Costs Identify Required Equipment: Identify all the equipment required for the project, such as excavators, cranes, concrete mixers, forklifts, and smaller tools like power drills and saws and estimate the duration and intensity of equipment usage. Calculate Equipment Costs: After identifying all the equipment required now its time to calculate the equipment cost which can be calculated differently for owned equipment and rented equipment. For owned equipment add the depreciation and repair and maintenance cost where as for rented equipment add rent with delivery and pickup charges. Fuel and Operating Costs: Calculate the cost of fuel and operators wages required to run the equipment. 2. Overhead Costs
How to do Quantity Takeoff using PlanSwift
How to do Quantity Takeoff using PlanSwift Quantity takeoff is important part of preconstruction estimation process. It involves determining the quantities of materials of all trades needed for a project. PlanSwift is a powerful tool for Quantity takeoff. In this article you will walk through the steps to perform a quantity takeoff using PlanSwift. How to Download and Install PlanSwift To download the PlanSwift go to the PlanSwift website and register yourself by filling the form with basic details of Name, Company Name, email and phone number and click on register button. First of all you will get 14 days free trial without adding card details.
Asphalt Calculator
Asphalt Calculator for Free Our Asphalt Calculator is designed to help you determine the exact amount or quantity of asphalt needed for your project. This calculator will helps you in determining all the of materials required for asphalt either it is wearing course asphalt or base course asphalt. Asphalt Calculator Length: KilometersYardsMilesMetersFeetInchesCentimetersMillimeters Width: MetersYardsKilometersMilesFeetInchesCentimetersMillimeters Height/Depth: CentimetersYardsKilometersMilesMetersFeetInchesMillimeters Bitumen Percentage: 3.5%4%4.5%5% Stone Dust (Standard: 7 cft/ton): Cubic FeetCubic MetersCubic Yards Crush (Standard: 18 cft/ton): Cubic FeetCubic MetersCubic Yards Result Unit: Cubic FeetCubic MetersCubic Yards Asphalt Calculator Working For Calculation of Asphalt and the materials used in asphalt mixture first of all we have to know few things. First of all we have to know the dimensions/size of the road or the asphalt required. Either we should know the Volume of the Asphalt required or We should have the measurement of the area where asphalt will be used so that we can find its volume. Volume of Asphalt= Length of Road * Width of Road * Thickness of Road Now we know the Volume of the Asphalt required. Now we have to find what percentage of bitumen we actually require. If it is specified by client then we should go with that otherwise we have to understand that for what purpose we need asphalt. Does it is required for Asphalt Wearing Course or Asphalt Base Course. Here is the Standard Bitumen requirements with respect to type of course. Asphalt Layer Bitumen Percentage (Standard) Bitumen Percentage (Some Regions) Asphalt Base Course 4.0% – 5.0% 3.5% Asphalt Wearing Course 5.0% – 6.0% 4.0% Standard Stone Dust and Crush Volume for Asphalt Calculation The amount of stone dust required for per ton of asphalt is 7 cubic feet. Similarly the standard crush volume required for per ton of asphalt is 18 cubic feet. It can be different in your case. You have option to change the volume of the crush and stone dust but when one material increases per ton other one will decrease in same weight ratio automatically. How Asphalt Calculator Calculate Density of Asphalt The density of asphalt is normally from 2.3 to 2.5 tons/m3, but it may change with the percentage of bitumen. A general formula to calculate the density with respect to the percentage of bitumen is: Formula to Calculate Density of Asphalt= 2.3 + (Bitumen Percentage−4) × 0.1 tons/m3 Formula to Calculate weight of Asphalt in Ton Total Weight of Asphalt in Ton= Volume × Density How Asphalt Calculator Calculate Weight of Bitumen Total Weight of Bitumen in Tons=(Bitumen Percentage/100)×Total Weight of Asphalt in Tons Example to Calculate Asphalt Weight Let’s assume: Length: 1 km Width: 4 meters Thickness: 3 cm Bitumen Percentage: 4% Step 1: Convert Units Length in meters: 1 km = 1000meters Height in meters: 3cm = 0.03meters Step 2: Calculate Volume Volume=1000 meters × 4 meters × 0.03 meters Volume=120m3 Step 3: Calculate Density Since the bitumen percentage is 4%, we use the standard density for 4% bitumen: Density=2.3 tons/m3 Step 4: Calculate Total Weight Total Weight=120 m3×2.3 tons/m3 Total Weight=276 tons Step 5: Calculate Weight of Bitumen Weight of Bitumen=(4/100)×276 tons Weight of Bitumen=11.04 Result Volume: 120 m³ Total Weight: 276 tons Weight of Bitumen: 11.04 tons Now you can use these calculations to determine the amount of asphalt required for any road construction project based on the provided dimensions and bitumen percentage. For effective project management and budgeting, it’s essential to estimate construction costs accurately. To learn more about estimating overall project costs, including materials like asphalt, check out our guide on How to Estimate Construction Jobs. FAQs How many tons in 18 cubic yards of milled asphalt? 18 cubic yards of milled asphalt weighs approximately 31.63 tons if the density of the asphalt is 2.3 tons/m3. How do you calculate asphalt tonnage? To calculate asphalt tonnage, multiply the volume in cubic Meter by 2.3, or use the formula: Tonnage = Volume (Cubic meter) × Density (tons/Cubic Meter).
Brick Calculator to Calculate How Many Bricks in a Wall | Bricks Calculation formula
Brick Calculator to Calculate How Many Bricks in a Wall | Bricks Calculation formula Brick calculator to calculate how many bricks in a wall will be required use our online free calculator to find number of bricks or either calculate it using bricks calculation formula for that read this article full. If You are interested to avail my estimation services for material estimation feel free to contact me. Contact Me Brick Quantity Calculator Brick Quantity Calculator Select Unit: MeterFeet Wall Width : Half Brick WallOne Brick Wall Wall Length: Wall Height: Select Standard Brick Size: United States: 203 x 92 x 57 mm (8 x 3 5/8 x 2 1/4 inches)United Kingdom: 215 x 102.5 x 65 mm (8 5/8 x 4 1/8 x 2 5/8 inches)Australia: 230 x 110 x 76 mm (9 x 4 1/3 x 3 inches)India: 190 x 90 x 90 mm (7.5 x 3.5 x 3.5 inches)South Africa: 222 x 106 x 73 mm (8 3/4 x 4 1/6 x 2 7/8 inches)Germany: 240 x 115 x 71 mm (9 7/16 x 4 1/2 x 2 13/16 inches)Pakistan: 230 x 110 x 75 mm (9 x 4 1/3 x 3 inches)China: 240 x 115 x 53 mm (9 1/2 x 4 1/2 x 2 inches)Singapore: 215 x 102.5 x 65 mm (8 1/2 x 4 1/8 x 2 1/2 inches)Japan: 210 x 100 x 60 mm (8 1/4 x 4 x 2 3/8 inches) Calculate Number of Bricks Required for a Wall To Calculate Number of Bricks required for a wall we must know these four things: Unit of Measurement: The unit of measurement can be in meter or feet so we should must know that in which measuring unit we calculated or will calculate the wall length and height. Wall Type: Secondly we should know that either it is half brick wall or it is one brick wall. Size of the Wall: Third thing we should know that what is or will be the length and height of the wall. That can be easily measured physically on site or can measured through plan drawing using software’s like PlanSwift, Bluebeam, or AutoCAD. Standard Size of Brick: Lastly We should know what is the size of the brick you are going to use. Now we know all the basic details which are required to find brick quantity for a wall. Bricks Calculation Formula and Method Difference Between Half Brick Wall and One Brick Wall First of all we have to understand what is the difference between Half Brick Wall and One Brick Wall: Half Brick wall: Width of wall is equal to the brick width. Like for UK wall width is 102.5mm as brick width is 102.5mm. Full Brick Wall: Wall width is equal to the length of the brick or Width of the brick multiple of two + 10mm (Mortar Width) in most cases. Like in UK Brick length is 215mm and Width is 102.5mm so wall width is 215mm= (102.5 x 2) + 10mm. Note: This thumb rule doesn’t apply in just few cases like US the Mortar Width between the wall layers in width will be more then 19mm. Bricks Calculation Formula To calculate number of bricks required for a wall use Brick Calculation formula which is Number of Bricks in Wall = Volume of Wall / Volume of Brick with Mortar ———- ( Eq # 01) where as Volume of Wall= Length of Wall * Width of Wall * Height of Wall ———– (Eq # 02) Note: Volume of Brick with Mortar is different in Half Brick Wall and One Brick Wall. For Both types of wall either Half brick wall or One Brick Wall the Length and Height of the brick with mortar can be calculated using came formula Length of Brick with Mortar = Length of Brick + Mortar width = Length of Brick + 10mm (Standard Mortar Width Between the Bricks). Use this mortar calculator to estimate the required mortar for your wall. Height of Brick With Mortar = Height of Brick + Mortar Height = Height of Brick + 10mm ( 10mm is the standard mortar between the bricks) Where as Width of the Brick with mortar for Half Brick wall and One brick wall is different so it is discussed above in detail. Volume of Brick for Half Brick Wall = ( Length of Brick + 10mm) * (Width of Brick) * (Height of Brick +10mm) Volume of Brick for One Brick Wall = ( Length of Brick + 10mm) * (Length of Brick) * (Height of Brick +10mm)