舗装の長期保証制度に関するガイドブック
令和 3年 3月31日初版第1刷発行

目

次第１章

総説 ········································································ 1

1-1

舗装の管理をめぐる情勢 ······················································· 1

1-2

長期保証制度とは ····························································· 1

1-2-1

長期保証制度の経緯 ······················································· 11-2-2

長期保証制度の目的 ······················································· 21-2-3

修繕工事への適用の試行 ··················································· 31-3

本図書の位置づけと構成 ······················································· 4

1-3-1

本図書の位置づけ ························································· 41-3-2

本図書の構成 ····························································· 61-4

本図書利用にあたっての留意事項 ··············································· 7第２章

長期保証制度の概要 ·························································· 82-1

長期保証制度の趣旨 ··························································· 82-2

国土交通省における長期保証制度の適用条件と要点 ······························· 82-3

長期保証制度の効果 ·························································· 10第３章

目標性能の設定 ····························································· 113-1

性能指標値等の設定 ·························································· 113-1-1

性能指標の項目の設定について ············································ 113-1-2

保証期間の設定について ·················································· 133-1-3

性能指標値の設定について ················································ 143-2

適用対象外となる条件 ························································ 183-2-1

適用対象外とすべき区間について ·········································· 18

3-2-2

免責事項の設定について ·················································· 19

第４章

測定と評価 ································································· 21

4-1

測定方法 ···································································· 21

4-1-1

測定者 ·································································· 214-1-2

測定方法 ································································ 214-2

評価方法 ···································································· 264-2-1

評価に使用する測定値 ···················································· 264-2-2

評価者 ·································································· 274-2-3

評価結果 ································································ 274-2-4

評価単位 ································································ 27

4-2-5

評価方法 ································································ 284-3

記録 ········································································ 29

第５章

契約および施工時の対応 ····················································· 30

5-1

契約時の配慮事項 ···························································· 30

5-1-1

保証内容等 ······························································ 31

5-1-2

適用対象外とすべき区間，免責事項 ········································ 315-1-3

施工後の対応 ···························································· 31

5-2

施工時の配慮事項 ···························································· 32

5-2-1

施工計画 ································································ 32

5-2-2

アスファルト舗装の種類と材料の選定 ······································ 34

5-2-3

施工 ···································································· 34

5-3

性能指標値を満足しない場合を想定した対応 ···································· 38

5-3-1

免責事項の確認 ·························································· 38

5-3-2

保証金・回復措置の規定 ·················································· 395-3-3

契約不適合との違い ······················································ 40

5-4

インセンティブ ······························································ 41

5-4-1

インセンティブとは ······················································ 41

5-4-2

インセンティブ設定事例 ·················································· 42

第６章

保証期間内および満了時の対応 ··············································· 476-1

測定時の配慮事項 ···························································· 47

6-1-1

保証期間内の測定 ························································ 476-1-2

免責事項に関する記録 ···················································· 48

6-1-3

維持管理 ································································ 48

6-1-4

保証期間満了時の測定および評価 ·········································· 49

6-1-5

保証期間満了時測定値の受注者への通知 ···································· 49

6-1-6

再測定の実施 ···························································· 50

6-1-7

再測定結果の検証，測定結果の確定および通知 ······························ 50

6-1-8

性能指標値を満足していない場合の措置 ···································· 50

6-1-9

履行確認の通知 ·························································· 50

6-1-10

保証金または回復措置 ··················································· 51

6-1-11

不服がある場合の対応 ··················································· 51

6-1-12

回復措置の実施および確認 ··············································· 516-2

保証期間内における管理 ······················································ 51

6-3

原因究明・対策検討 ·························································· 52

6-4

具体事例の紹介 ······························································ 52

6-4-1

長期保証工事の発注状況 ·················································· 52

6-4-2

性能指標値を超過した工事の状況 ·········································· 53

6-4-3

免責適用事例 ···························································· 53

第７章

長期保証の継続的改善の取り組み ············································· 55

7-1

継続的改善の意義 ···························································· 55

7-2

長期保証制度の有効性の確認 ·················································· 557-2-1

長期保証制度の効果分析の着目点の事例 ···································· 55

7-2-2

損傷の原因究明 ·························································· 58

7-3

長期保証制度の運用の改善 ···················································· 59

7-3-1

保証内容の見直し ························································ 59

7-3-2

劣化が進展している事例における見直し ···································· 60

7-4

長期保証制度の継続的改善 ···················································· 63

7-4-1

交差点への適用 ·························································· 63

7-4-2

修繕工事への適用 ························································ 64

7-4-3

技術開発推進のための技術提案導入 ········································ 65

7-5

おわりに ···································································· 66

付録１「道路舗装の長期保証」

実施要領（案） ····································· 67

付録２「道路舗装の長期保証」

特記仕様書作成例（案） ····························· 78