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The American Water Works Association\u00a0(AWWA)\u00a0Definitions Guidebook\u00a0defines replacement as \u201cthe complete\u00a0replacement of an existing\u00a0asset that has reached the end of its\u00a0useful\u00a0life.\u201d AWWA also defines\u00a0replacement\u00a0cost as \u201cthe current cost of replacing an existing asset with a new modern equivalent asset that provides the same or similar\u00a0level of\u00a0service potential.\u201d<\/span>\u00a0<\/span><\/p>\n Deciding when to replace an asset can be a complicated decision. Factors that\u00a0enter\u00a0this decision are:<\/span>\u00a0<\/span><\/p>\n Through a life cycle cost analysis, a system will be able to make decisions about when to repair, rehabilitate, and replace an asset to optimize the asset\u2019s life and minimize the asset\u2019s cost.\u00a0There must be a balance between\u00a0<\/span>O&M and Replacement,<\/span>\u00a0so spending is\u00a0optimized. If\u00a0appropriate spending\u00a0is made on assets to keep them in service longer, replacement can be forestalled. If replacement\u00a0occurs\u00a0more often, less needs to be spent on maintenance and repairs. However, most of the time, replacement is much more costly, making the more efficient strategy one that involves maintenance more than replacement.<\/span>\u00a0<\/span><\/p>\n [\/et_pb_text][et_pb_image src=”https:\/\/swefc.unm.edu\/iamf\/wp-content\/uploads\/2021\/04\/Digger-Wide.jpg” title_text=”Digger-Wide” _builder_version=”4.16″ _module_preset=”default” border_radii=”on|25px|25px|25px|25px” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" Replacement The American Water Works Association\u00a0(AWWA)\u00a0Definitions Guidebook\u00a0defines replacement as \u201cthe complete\u00a0replacement of an existing\u00a0asset that has reached the end of its\u00a0useful\u00a0life.\u201d AWWA also defines\u00a0replacement\u00a0cost as \u201cthe current cost of replacing an existing asset with a new modern equivalent asset that provides the same or similar\u00a0level of\u00a0service potential.\u201d\u00a0 Deciding when to replace an asset can be a complicated decision. Factors that\u00a0enter\u00a0this decision are:\u00a0 the\u00a0relative cost of repair, rehabilitation, and replacement;\u00a0\u00a0 useful life of the replaced asset compared to the useful life with repair and rehabilitation;\u00a0\u00a0 replacing an asset with no structural integrity to allow for repair or rehabilitation;\u00a0\u00a0 coordination with other asset replacement (e.g., roads);\u00a0 need to prevent high-risk events.\u00a0\u00a0 Through a life cycle cost analysis, a system will be able to make decisions about when to repair, rehabilitate, and replace an asset to optimize the asset\u2019s life and minimize the asset\u2019s cost.\u00a0There must be a balance between\u00a0O&M and Replacement,\u00a0so spending is\u00a0optimized. If\u00a0appropriate spending\u00a0is made on assets to keep them in service longer, replacement can be forestalled. If replacement\u00a0occurs\u00a0more often, less needs to be spent on maintenance and repairs. However, most of the time, replacement is much more costly, making the more efficient strategy one that involves maintenance more than […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-6861","page","type-page","status-publish","hentry"],"yoast_head":"\n\n
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