Abstract
Peoples lifestyles are diversifying due to an increase in the types of residents housing and family structures. The ratio of apartment housing in Korea was 59.9% (9806 households) in 2015, and this type accounts for the largest ratio among all housing types. However, the life of the physical housing is approximately 30–40 years, which is relatively shorter in comparison to that of overseas houses. Therefore, the certification system for long-life housing, which had longer social and physical service life, was newly established in 24 December 2014. However, all apartment houses only acquired the normal grade (grade 4). The purpose of this study is to investigate all long-life housing certification cases and analyze the acquired score and status of each evaluation item. The total number of certification cases was 283, and the data analysis and FGI (Focus Group Interview) investigation method were used as the methods of study. As a result of analysis and summary, 173 cases (61.13%) received 50 points and 106 cases (37.46%) received 51 points. All these cases were considered normal grade. The result of this study is as follows. First, a system to maintain the long-life housing certification system operation agency is necessary. Second, the reason for an item with no score was the evasion by construction companies due to an increase in both the construction expense and sale price. Therefore, various incentive plans are necessary and should be executed accordingly. Third, it is necessary to improve the detailed evaluation standards of the certification system and reexamine its scoring system. Long-life housing is a housing type in preparation for changes in the residential environment in future. The significance of this study is that the content shall be utilized as preliminary data for improving the system through the analysis of evaluation items in the certification system.
Highlights
The purpose of this study is to investigate all long-life housing certification cases and analyze the acquired score and status of each evaluation item
The significance of this study is that the content shall be utilized as preliminary data for improving the system through the analysis of evaluation items in the certification system
A newly constructed apartment housing falls under LEED NC (Leadership in Energy and Environmental Design, New Construction), and 8 evaluation items including minimum energy performance, optimization of energy performance, renewable energy in the sites, commissioning, management of refrigerants, M&V (Measurement and Verification), green power, and heat island effect fall under the energy and environmental pollution guidelines in the Korean system [15,16,17,18]
Summary
Peoples lifestyles are diversifying due to a change in the types of residents’ housing and an increase in varied family structures, including the single-person family and two-person family. According to the ratio of existing housing types, the ratio of apartment housing has gradually increased from 37.5% (3455 households) in 1995 to 59.9% (9806 households) in 2015 (Figure 1). This housing type accounts for the highest ratio among all housing types [2]. FFoorr aappaarrttmmeenntt hhoouusseess iinn KKoorreeaa,, tthhee rreeccoonnssttrruuccttiioonn tteerrmm ffoorr ggeenneerraall aappaarrttmmeenntt hhoouussiinngg hhaass bbeeeenn rreedduucceedd ffrroomm uupp ttoo 4400 yyeeaarrss ttoo 3300 yyeeaarrss iinn tthhee ssccooppee ooff ddiillaappiiddaatteedd aanndd llooww--qquuaalliittyy ssttrruuccttuurreess aaccccoorrddiinngg ttoo AArrttiiccllee 22 ooff tthhee EEnnffoorrcceemmeenntt DDeeccrreeee ooff tthhee AAcctt oonn tthhee MMaaiinntteennaannccee aanndd IImmpprroovveemmeenntt ooff UUrrbbaann AArreeaass aanndd DDwweelllliinngg CCoonnddiittiioonnss ffoorr RReessiiddeennttss. TThhee AAcctt hhaass ssiinnccee bbeeeenn ppaarrttiiaallllyy aammeennddeedd ((1188 JJaannuuaarryy 22001155)),, rreessuullttiinngg iinn aa sshhoorrtteerr sseerrvviiccee lliiffee ooff aappaarrttmmeenntt hhoouussiinngg iinn KKoorreeaa[[33,,44]]. Number of Buildings and Houses by Service Life (Based on the Day of Inspection for Use)
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