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△△△○○×○◎◎◎◎◎◎◎◎◎項目Item改修前Before improvements評価Evaluation改修後After improvements電気容量Electrical capacity設定なしNot set６０ＶＡ／㎡ （執務室）　60VA/㎡ (Offices) 照度Illuminance設定なしNot set７５０ｌｘ照明制御Lighting control無しNone明るさセンサー＋スケジュールLighting sensor + Scheduled timer 空調制御単位Air conditioning control unit全館　Entire building20～40㎡程度About 20㎡ to 40㎡ペリメータ空調Perimeter air conditioning蒸気放熱器　Steam radiatorLow-Eガラス＋ペリメータ吹出Low-E glass + Perimeter jets空調時間外運転Operation outside normal AC hours夜間停止Nighttime shut off個別操作可能Individual control possible 自然換気Natural ventilation窓開閉Operable windowsスイッチSwitches窓開閉＋外気冷房（ファン）Operable windows + Outside air system (fan)トイレ・廊下照明Bathroom/Corridor lighting人感センサー＋スケジュールMotion sensor + Scheduled timer熱源Heat sourceボイラー式*Boiler*外調機・GHP（高効率機器）Outside air processing units/GHP (high efficiency units)BeforeAfter* 改修前：冷房は一部の部屋に個別機器を設置。 * Before improvements: Individual cooling units were installed in certain rooms.外気処理機Outside air treatment unit廊下｜Corridor執務室｜Office area階段室Stair shaft外気導入時External air intake外気External air3600▽FL片引き窓複層ガラスSingle sliding window,Insulated glass LowE6+A12+FL630分耐火仕様Fireproof specification 小型給気ファン高気密ダンパーSmall-sized air supply fans,High airtight damper外部Exteriorガラス｜Glassヒバ材｜Hiba wood断熱材（ポリスチレンボード）Insulation (Polystyrene board)t＝50内部Interior2Photography｜1, 3：近代建築社／Kindaikenchiku-sha｜2：エスエス／SS1手法で省エネルギーと執務環境の向上の両立を図っています。3. 執務室の直天井化、設備のモジュール配置直天井化で空間が広がった執務室は、照明、空調設備を柱スパンに合わせモジュール配置しました。また、電源やLAN配線が自由な位置で下ろせるように天井には二次配線用支持材を設けています。4. 遵法化と安全性の向上特定天井、排煙、竪穴区画、内装制限など、既存不適格部分を遵法化し、安全性を向上しました。玄関ホールおよび議場は、特定天井対策として準構造の天井への改修を行いました。improving the office environment.3. Office Ceiling Conversion and Modularizing of EquipmentAfter removing the suspended ceilings in the offices, the lighting and HVAC equipment were modularized within the column spans. For easy access to power and LAN cables, ceiling raceways for secondary wiring were installed.4. Improved Compliance and SafetyResolving existing noncompliances related to specific ceil-ings, smoke exhaust, vertical separation, and restrictions on interior finishes, etc. improved building safety. The entrance hall and assembly hall ceilings were replaced with seis-mic-resistant ceilings.1 : 縦リブデザインを継承したアルミ方立から外気取り入れを行う。｜2 : 特定天井、排煙、内装制限の既存不適格を解消した改修後の議場。｜3 : 直天井化、設備のモジュール化を図った執務室。1 : e aluminum mullions, which preserve design elements of the original building, also serve an outside air-intake function.｜2 : Assembly hall aer renovation to resolve issues relating to ceiling xture safety, smoke exhaust, and interior design code compliance. ｜3 : Oce room with exposed ceiling and modularized equipment.高断熱化・直接外気冷房に対応した外装Exterior Finish Compatible with High ermal Insulation and Direct Outside Air Cooling3ディテール図｜Detail直接外気冷房概念図｜Direct outside air cooling diagram最新の庁舎水準に機能をアップデートした項目Items whose functionalities were updated to the latest government building standard092019 AUTUMN40Feature | WORKS