Guides & Toolkits

Essential Skills and OHS Training

This Stream includes all of our Guides & Toolkits Flipbooks.

Issue link: https://www.wsps.ca/resource-hub/i/1317262

Contents of this Issue

Navigation

Page 39 of 55

© Infrastructure Health & Safety Association (IHSA) 38 • Institute for Work & Health (IWH) Example 2 Calculate the weight (in kilograms) of the pine lumber. Step 1: Complete the calculation Volume of 1 rectangle + 1 rectangle Lower part V = L × W × H = 10' × 4' × 3' = 120 ft³ Upper part V = L × W × H = 4' × 4' × 2.5' = 40 ft³ Total volume = 120 ft³ + 40 ft³ = 160 ft³ Step 2: Locate the unit weight in Table 1.2. Pine = 30 lbs/ft³ Step 3: Calculate the Weight Weight = volume × unit weight = 160 ft³ × 30 lbs/ft³ = 4 800 lbs Step 4: Convert pounds to kilograms 1 kg = 2.2 lbs Note: To convert pounds to kilograms, divide by 2.2 To convert kilograms to pounds, multiply by 2.2 4 880 lbs ÷ 2.2 lbs/kg = 2 182 kg

Articles in this issue

Archives of this issue

view archives of Guides & Toolkits - Essential Skills and OHS Training