Codes and Standards Assignment 2019(2)

Answer the following questions using Canadian Landscape Standards for Irrigation supplied hard copy Whose job is it to make sure the sequencing of the irrigation install is carried out in coordination with other trades? What are the requirements for water used for irrigation purposes? What type of backfill should be used around irrigation pipe? Standards for landscape irrigation systems Workmanship and materials should be guaranteed for how long? List 3 things that should be provided or submitted to the client? Design Maximum spacing for sprinklers? How do you determine riser height? What must be used for low head drainage? What type of sprinkler ( accessories) should be used on sports fields? What is the maximum velocity of flow in an irrigation system? What is the maximum pressure variation within each zone? What types of sensors are recommended? When can you put an indoor controller outdoors? What is trace wire used for? When would you use a butterfly valve over a ball or gate valve? What colour is the common wire in a controller? What is the smallest size wire that should be used for irrigation? What class/ Series PVC pipe should you use for ¾ “ pipe? What material and size should be used as sleeving material? How much backfill is required over the pipe in a residential lawn area? How far should you dig your trench from a paving stone walkway? If possible where should the valve box be located? What is the minimum valve box size for 2 - 1” valves? What assembly is connected between a pop-up sprinkler and the pipe? Where is wire installed in an irrigation system? What are the specifications for a water pipe running under a driveway that cannot be installed in a sleeve? What is the purpose of testing an irrigation system after install? What information should be included on a typical as-built drawing plan?