[BrickWallCostEstimate] - Cost and quantity estimate of all BIM objects with IFC Type='Wall'

Cost Estimation/BrickWallCostEstimate.FCMacro

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+# -*- coding: utf-8 -*-
+
+__Name__ = 'CostEstimate'
+__Comment__ = 'Estimates brick, cement, sand cost of all objects that have IFCRole=Wall'
+__Author__ = 'haseeb'
+__Version__ = '0.1'
+__Date__ = '2019-6-24'
+__License__ = 'LGPL-3.0-or-later'
+__Web__ = ''
+__Wiki__ = ''
+__Icon__ = ''
+__Help__ = ''
+__Status__ = 'Alpha'
+__Requires__ = 'FreeCAD >= v0.17'
+__Communication__ = ''
+__Files__ = ''
+
+import FreeCAD, math
+import numpy as np
+
+class WallEstimator:
+    '''
+    All units are in mm
+    '''
+    def __init__(self):
+        self.Length = 0
+        self.Width = 0
+        self.Height = 0
+        self.Volume = 0
+        self.num_bricks = 0
+        self.brick_cost = 0
+        self.dry_vol_sand = 0
+        self.sand_small_trolley = 0
+        self.sand_large_trolley = 0
+        self.sand_truck = 0
+        self.sand_big_truck = 0
+        self.sand_seenkara = 0
+        self.num_cement = 0
+
+    def wall_cost_estimate(self, obj, brick_unit_cost=12 ,debug=False):
+        '''
+        Function to estimate cost of a wall
+        '''
+        # Make it static
+        volume_of_wall = obj.Shape.Volume
+        volume_of_brick = 9.375*4.875*3.375*25.4**3 # in mm
+
+        num_bricks = math.ceil(volume_of_wall/volume_of_brick)
+        losses = 5/100
+        brick_cost = (num_bricks + num_bricks*losses)* brick_unit_cost
+
+        actual_vol_brick = 9*4.5*3*25.4**3
+
+        vol_mortar = volume_of_wall - num_bricks*actual_vol_brick
+        #print(volume_of_wall/10**6, volume_of_brick*num_bricks/10**6,vol_mortar/10**6)
+        dry_vol_mortar = 1.54*vol_mortar
+        vol_cement = vol_mortar * 1/5
+        vol_sand = vol_mortar * 4/5
+
+        dry_vol_sand = vol_sand*1.333
+
+        cement_bag = 1.25*(12*25.4)**3
+        num_cement = vol_cement/cement_bag
+
+        # setting up units
+        small_trolley = 75*(12*25.4)**3
+        large_trolley = 325*(12*25.4)**3
+        # This unit is used in India/Pakistan
+        seenkara = 100*(12*25.4)**3
+        truck = 5.5*seenkara
+        big_truck = 12*seenkara 
+
+        sand_truck = dry_vol_sand/truck
+        sand_big_truck = dry_vol_sand/truck
+        sand_small_trolley = dry_vol_sand/small_trolley
+        sand_large_trolley =dry_vol_sand/large_trolley
+        sand_seenkara =dry_vol_sand/seenkara
+
+        self.num_bricks += num_bricks
+        self.brick_cost += brick_cost
+        self.dry_vol_sand += dry_vol_sand
+        self.sand_small_trolley += sand_small_trolley
+        self.sand_large_trolley += sand_large_trolley
+        self.sand_truck += sand_truck
+        self.sand_big_truck += sand_big_truck
+        self.sand_seenkara += sand_seenkara 
+        self.num_cement += num_cement
+        self.Length +=  obj.Shape.Length
+        self.Volume += obj.Shape.Volume
+
+    def all_wall_estimate(self):
+        '''
+        Function to estimate cost of all walls
+        '''
+        for obj in FreeCAD.ActiveDocument.Objects:
+            try:
+                if obj.IfcRole == 'Wall':
+                    self.wall_cost_estimate(obj)
+                elif obj.IfcType == 'Wall':
+                    self.wall_cost_estimate(obj)
+            except AttributeError:
+                pass
+
+        return vars(self)
+
+    def selected_wall_estimate(self):
+        '''
+        Function to estimate cost of selected walls
+        Don't use the same object twice with this method
+        '''
+        for obj in FreeCADGui.Selection.getSelection():
+            try:
+                if obj.IfcRole == 'Wall':
+                    self.wall_cost_estimate(obj)
+                elif obj.IfcType == 'Wall':
+                    self.wall_cost_estimate(obj)
+            except AttributeError:
+                pass
+
+        return vars(self)
+
+    def pretty_all_wall_estimate(self):
+        '''
+        Function to estimate cost of all walls and prints it in a readable format
+        '''
+        for obj in FreeCAD.ActiveDocument.Objects:
+            try:
+                if obj.IfcRole == 'Wall':
+                    self.wall_cost_estimate(obj)
+                elif obj.IfcType == 'Wall':
+                    self.wall_cost_estimate(obj)
+            except AttributeError:
+                pass
+
+        print('Number of Bricks :', self.num_bricks)
+        print('Cement Bags: ', self.num_cement)
+        print('Volume of Sand (cu ft):', self.dry_vol_sand*(10**-3*3.28)**3, 'cubic feet')
+
+
+WallEstimator().pretty_all_wall_estimate()
+
+# Use this for cost estimation of a particular wall
+#WallEstimator().selected_wall_estimate()
+

Cost Estimation/README.md

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+# Description
+Calculates brick, cement and sand cost of objects with IFCType or IFCRole = 'Wall'
+
+# Usage:
+The default function estimates the cost all Wall objects in the current document
+
+# Screenshot
+![](https://raw.githubusercontent.com/QuantumNovice/FreeCAD-macros/master/Cost%20Estimation/BrickWallEstimate.PNG)