Thank you for viewing. This is the "Public Building Equipment Installation Standard Drawings (Electrical Equipment Installation Edition) 2022 Edition." Supervised by the Equipment and Environment Division, Minister's Secretariat, Ministry of Land, Infrastructure, Transport and Tourism, Published by the Public Building Association, it is the so-called "national unified standard (standard drawings)." 【Retail Price】4,620 yen (tax included) 【Contents/Usage】 ・Standard drawing collection for electrical equipment in public building construction (government projects) ・Essential materials for design, construction, site management, drawing checks, and inspection support ・Using it together with the specifications will greatly improve work efficiency ・2022 Edition 【Condition】 ・Product Condition: Like new ・There are some scratches and small marks on the cover from storage. ・The contents have no writing, tears, or missing pages. ・There are minor folds and scratches on the corners of some pages (about a dozen pages) as shown in the photos, but there is no problem with reading, content confirmation, or practical use. ・Overall, it is in good condition. ※This is a used item that has been in someone's possession once. Please purchase only if you understand the condition. Everything in the photos is included. We will take waterproof measures, pack it carefully, and ship it quickly. If you have any questions, please feel free to comment.