임도 설계 시공 관리 메뉴얼(2015.07)

임도설계 시공 관리 매뉴얼(2015.7).pdf.pdf

제Ⅰ편 개 요 •••

임도시공․관리

업무 매뉴얼

목 차

제Ⅰ편 개 요 ······························································ 1

1. 목 적 ···································································· 2

2. 적용범위 ································································· 2

3. 용어해설 ································································· 2

4. 임도사업 수행절차 및 규정 ················································ 4

5. 관련법령, 기준 및 지침 ··················································· 7

제Ⅱ편 임도 계획과 설계 ················································ 9

1. 임도의 계획 ······························································ 10

가. 임도의 종류 ···························································· 10

나. 임도기본계획 ··························································· 10

다. 임도설치계획 ··························································· 11

라. 임도의 타당성 평가 ····················································· 11

2. 기본설계 ································································· 11

가. 개념 ··································································· 11

나. 법적근거 ······························································· 12

다. 기본설계 범위 ·························································· 12

라. 기본설계 방법 ·························································· 14

마. 주요공사계획 설계 ······················································ 17

3. 실시설계 ································································· 19

가. 개념 ··································································· 19

나. 실시설계의 절차 ························································ 19

다. 실시설계조사 ··························································· 22

라. 재해에 강한 설계방안 ··················································· 24

마. 표준시방서의 작성 ······················································ 37

제Ⅲ편 임도의 시공 ······················································ 41

1. 임도의 시공발주 ·························································· 42

가. 임도의 계약 및 절차 ···················································· 42

나. 임도사업의 착수 및 공사시행 ············································ 44

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2. 임도시공 방법 ···························································· 53

가. 시공준비 ······························································· 53

나. 토공 ··································································· 54

다. 구조물공 ······························································· 60

라. 배수공 ································································· 63

마. 녹화공 ································································· 68

3. 공사 감독ㆍ감리 ·························································· 74

가. 공사감독의 임무 및 역할 ················································ 74

나. 시공감리용역 업무 ······················································ 91

제Ⅳ편 임도의 준공 ·······················································95

1. 임도의 준공절차 ·························································· 96

2. 준공검사 세부사항 ························································ 98

3. 준공검사 공정별 검척사항 ················································ 101

제Ⅴ편 임도의 유지 관리 ················································117

1. 임도의 유지 및 관리계획 ··················································118

가. 임도의 유지 및 관리계획 ················································118

나. 임도의 유지관리 방법 ···················································124

2. 임도의 피해지 조사 ·······················································130

가. 임도 등 피해지 조사 필요장비 ···········································130

나. 임도 등 피해지 조사방법 및 요령 ········································132

다. 기본적 임도피해 복구방법 ···············································139

3. 임도의 보수 ······························································141

가. 임도의 피해 ····························································141

나. 임도의 긴급 복구 및 보수 ···············································146

다. 임도의 일상 및 정기 복구 ․ 보수 ··········································154

부 록 ·······································································213

1.「산림자원의 조성 및 관리에 관한 법률」 임도 관련 조문 정리 ···············214

2. 임도설치 및 관리 등에 관한 규정 ··········································220

3. 산림관리기반시설의 타당성평가 항목별 기준 및 방법 등 ······················26

4. 국유림 유지 ․ 관리 민간위탁 업무처리 지침 ·································268

5. 실시설계 관련 사례 ·······················································271

6. 표준시방서의 예시 ························································281

7. 원가 계산 작성 기준 ······················································394

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표 목 차

<표 1-1> 임도시공․관리업무 참조 법령 및 기준 ·································· 7

<표 4-1> 우기 대비 정기점검 항목 및 내용 ·····································122

<표 4-2> 임도배수시설 유지관리 점검리스트 ···································123

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그림 목차

<그림 2-1> 간선임도 및 작업임도 ···············································10

<그림 2-2> 임도진입로, 마을수계확인 ···········································15

<그림 2-3> 기존임도 노폭확인, 기존 배수관 확인 ································15

<그림 2-4> 노선구상도의 예 ····················································17

<그림 2-5> 답사 전 예정노선 현지확인, BP점·EP점 선정 및 확인 ·················22

<그림 2-6> 주요 통과지 확인 및 표시 ···········································22

<그림 2-7> 현지조사 모습 ······················································23

<그림 2-8> 1차 평면도 작성 및 수량산출 작업 ···································23

<그림 2-9> 종·횡단면도 작업 ···················································23

<그림 2-10> 진입로의 이상적인 계획고와 사례 단면 ······························26

<그림 2-11> 계곡부 순구배 측량 표준선형, 표준 종단도 ··························27

<그림 2-12> 계곡부 종단 변형 실제측량 평면도, 종단도 ··························27

<그림 2-13> 급경사지측량 평면 및 종단도 ·······································28

<그림 2-14> 능선부 측량 평면 및 종단도 ········································29

<그림 2-15> 일반적 계곡부 관보호공 ············································30

<그림 2-16> 옆도랑 물만, 순방향 ···············································30

<그림 2-17> 농로, 계곡 ························································31

<그림 2-18> 물넘이포장 단면 조사 ··············································31

<그림 2-19> 물넘이 포장 설치 횡단도 ···········································32

<그림 2-20> 세월교 설치 종단도 ················································33

<그림 2-21> BOX암거 설치 종단도 ··············································33

<그림 2-22> BOX암거 설치 단면도 ··············································34

<그림 2-23> 분묘 통과 측량 평면 ···············································34

<그림 2-24> 분묘 주변의 횡단 계획 및 구조물 배치도 ····························35

<그림 2-25> 노선 초입부 평면 ··················································35

<그림 2-26> 노선 초입부 계곡부 표준단면 ·······································35

<그림 2-27> 기존 작업도로의 지반과 계획고 ·····································36

<그림 2-28> 노선의 계곡부와 산등부분 계획 ·····································37

<그림 3-1> 임도부지 측량 ······················································53

<그림 3-2> 지장목 벌목, 굴진 ··················································54

<그림 3-3> 가도노체 임시 재해안정 ·············································54

<그림 3-4> 토공기초 ···························································55

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<그림 3-5> 성토 견실 시공 ·····················································56

<그림 3-6> 성토․절토 소단 ······················································56

<그림 3-7> 토공재료 채취․운반 ··················································56

<그림 3-8> 성토부 흙막이시설 시공순서 ·········································57

<그림 3-9> 불필요한 과잉 구조물 ···············································58

<그림 3-10> 토공 흙막이의 위험성 ··············································58

<그림 3-11> 흙다짐 ····························································59

<그림 3-12> 되메우기 및 포장정리 ··············································61

<그림 3-13> 되메우기 ··························································61

<그림 3-14> 견치블럭 기초 거푸집 설치 및 레미콘 타설 ··························62

<그림 3-15> L형 콘트리트(돌) 수로 기초 레미콘 타설 ····························62

<그림 3-16> 돌흙막이 기초 확인 ················································62

<그림 3-17> L형 콘트리트 수로 기초 레미콘 타설 ································62

<그림 3-18> 배수관이 뜨게 매설된 전경 ·········································63

<그림 3-19> 배수관을 지반선상에 매설하고 관보호공으로 보강 ····················63

<그림 3-20> 집수정 난간쪽 안전난간 설치 ·······································64

<그림 3-21> 배수관 유입구 과다 터파기로 훼손 ··································64

<그림 3-22>역사다리꼴로 유입구를 넓게 시공 ····································65

<그림 3-23> 유입구 불안정한 계곡에 골막이 설치 ································65

<그림 3-24> 유출구관보호공(콘크리트) ··········································65

<그림 3-25> 유출구관보호공(돌) ················································65

<그림 3-26> 유출구 물받이를 돌망태로 보강 ·····································66

<그림 3-27> 급경사지 유출구를 골막이로 구배 조정 ······························66

<그림 3-28> 배수관 설치 적합(지반선과 부합) ···································66

<그림 3-29> 배수관 설치위치 부적합 ············································66

<그림 3-30> 옆도랑줄떼와 떼붙임 ···············································67

<그림 3-31> U형 및 J형 콘크리트수로 ··········································67

<그림 3-32> 콘크리트 L형수로(경비가 많이 들고 설치가 어려움) ··················67

<그림 3-33> 깬잡석 대체 시공한 L형수로(경제적이고 설치 용이) ··················67

<그림 3-34> Hair-pin지역 수로 미시공 피해우려지 ·······························68

<그림 3-35> 토사심식이 우려되는 곳은 돌붙임 등으로 보강 ·······················68

<그림 3-36> 줄떼공 시공 전경 ··················································69

<그림 3-37> 새심기 작업 ·······················································69

<그림 3-38> 새심기 후 활착전경 ················································69

<그림 4-1> 임도 유지관리 업무의 구분 ·········································120

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<그림 4-2> 피해지 조사 필요장비1 ·············································130

<그림 4-3> 피해지 조사 필요장비2 ·············································131

<그림 4-4> 임도의 각 부분 명칭 ···············································141

<그림 4-5> 임도의 피해 유형별 순환 과정 ······································143

<그림 4-6> 일반적인 임도의 구조 ··············································144

<그림 4-7> 절토사면 산사태 전경 ··············································146

<그림 4-8> 해빙기 절토사면 피해지 복구 전 ····································147

<그림 4-9> 해빙기 절토사면 피해지 복구 후 ····································147

<그림 4-10> 해빙기 배수로 복구 전 ···········································147

<그림 4-11> 해빙기 배수로 복구 후 ···········································147

<그림 4-12> 노면 위의 낙엽 ···················································148

<그림 4-13> 낙엽 속의 빙판 ···················································148

<그림 4-14> 낙엽 속 결빙 제거 ················································148

<그림 4-15> 날개벽 토사 매몰 ·················································149

<그림 4-16> 날개벽 토사 제거 ·················································149

<그림 4-17> 날개벽 낙엽 매몰 ·················································150

<그림 4-18> 날개벽 낙엽 제거 ·················································150

<그림 4-19> 장마철 임도피해지 ················································151

<그림 4-20> 장마철 응급복구 ··················································151

<그림 4-21> 장마철 임도노면 피해1 ···········································152

<그림 4-22> 장마철 임도노면 피해2 ···········································152

<그림 4-23> 산사태 날개벽 매몰 ···············································153

<그림 4-24> 성토사면 피해지 ··················································153

<그림 4-25> 날개벽 응급복구 ··················································153

<그림 4-26> 날개벽 임도 노면 횡단면도 ········································154

<그림 4-27> 임도 횡단면도 ····················································155

<그림 4-28> 임도노면 피해 ····················································156

<그림 4-29> 임도노면 보수 ····················································156

<그림 4-30> 임도 종단 세굴 피해지 ············································156

<그림 4-31> 임도 종단 세굴 피해지 복구 ·······································156

<그림 4-32> 임도 성토사면 피해지 ·············································157

<그림 4-33> 임도 성토사면 피해지 복구 ········································157

<그림 4-34> 세굴 피해 ························································157

<그림 4-35> 횡단개거 작업 ····················································157

<그림 4-36> 세굴피해 복구 완료 ···············································157

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<그림 4-37> 종단 세굴 피해지 ·················································158

<그림 4-38> 종단 세굴 피해지 복구 ············································158

<그림 4-39> 노면정지 작업 ····················································158

<그림 4-40> 임도 단면도 ······················································159

<그림 4-41> 옆도랑 토사 피해1 ···············································160

<그림 4-42> 옆도랑 토사 피해2 ···············································160

<그림 4-43> 옆도랑 피해 ······················································161

<그림 4-44> 옆도랑 보수 중 ···················································161

<그림 4-45> 옆도랑 보수 완료 ·················································162

<그림 4-46> 옆도랑 부토 임시 적치 ············································162

<그림 4-47> 옆도랑 부토 보수 ·················································162

<그림 4-48> 옆도랑 매몰 ······················································163

<그림 4-49> 옆도랑 매몰 보수 ·················································163

<그림 4-50> 노면 및 옆도랑 피해 ··············································164

<그림 4-51> 노면 및 옆도랑 보수 ··············································164

<그림 4-52> 옹벽 배수로 매몰 ·················································164

<그림 4-53> 옹벽 배수로 보수 ·················································164

<그림 4-54> 옹벽위 토사형 다이크 시공 ········································164

<그림 4-55> 날개벽 보수1 ····················································165

<그림 4-56> 날개벽 보수2 ···················································165

<그림 4-57> 날개벽 보수 완료 ·················································165

<그림 4-58> 파워셔블형 버킷 교체 ·············································166

<그림 4-59> 파워셔블형 버킷 교체 완료 ········································166

<그림 4-60> 낙엽에 의한 날개벽 매몰 ··········································167

<그림 4-61> 날개벽 낙엽 제거 ·················································167

<그림 4-62> 날개벽 유입구 암석 매몰 ··········································167

<그림 4-63> 날개벽 유입구 암석 제거 ··········································167

<그림 4-64> 날개벽 유입구 유목 매몰 ··········································167

<그림 4-65> 날개벽 유입구 매몰 의심지 ········································168

<그림 4-66> 날개벽 유입구 매몰 의짐지 점검 ···································168

<그림 4-67> 날개벽 유입구 확인 ···············································168

<그림 4-68> 날개벽 유입구 작업 중 ············································168

<그림 4-69> 날개벽 유입구 작업 완료 ··········································168

<그림 4-70> 배수관로 확인 ····················································169

<그림 4-71> 배수관로 육안 점검 ···············································169

- 10 -

<그림 4-72> 배수관로 인력 정비 ···············································169

<그림 4-73> 배수관로 정비 완료 ···············································169

<그림 4-74> 임도노면 동공 유실지 ·············································170

<그림 4-75> 배수관 연결 부위 손상 ············································170

<그림 4-76> 배수관 연결부위 손상 피해 ········································170

<그림 4-77> 배수관 부유물 ····················································171

<그림 4-78> 배수관 유출수로 매몰 ·············································171

<그림 4-79> 배수관 유출수로 복구 ·············································171

<그림 4-80> 콘크리트 개거 ····················································172

<그림 4-81> 콘크리트 개거 세부 모습 ··········································172

<그림 4-82> 원목형 개거의 피해 유형 ··········································173

<그림 4-83> 원목형 개거1 ····················································173

<그림 4-84> 원목형 개거2 ····················································173

<그림 4-85> 토사 굴삭형 개거 훼손 ············································174

<그림 4-86> 토사복토형 횡단개거 시공 평면도 ··································175

<그림 4-87> 토사 복토형 횡단개거 시공 단면도 ·································175

<그림 4-88> 토사복토형 개거 시공 중 ··········································176

<그림 4-89> 토사복토형 개거 시공1 ···········································176

<그림 4-90> 토사복토형 개거 시공2 ···········································176

<그림 4-91> 토사복토형 개거 시공3 ···········································176

<그림 4-92> 현지조사 임도 노면 횡단면도 ······································177

<그림 4-93> 절토사면 피해지1 ················································178

<그림 4-94> 절토사면 피해지 복구 중 ··········································178

<그림 4-95> 절토사면 피해지 복구 후 ··········································178

<그림 4-96> 절토사면 피해지2 ················································179

<그림 4-97> 절토사면 피해지 복구 중 ··········································179

<그림 4-98> 절토사면 피해지 복구 후 ··········································179

<그림 4-99> 절토사면 옆도랑 매몰 ·············································180

<그림 4-100> 절토사면 옆도랑 복구 후 ········································180

<그림 4-101> 절토사면 피해지3 ···············································180

<그림 4-102> 절토사면 피해지 복구 중 ········································180

<그림 4-103> 절토사면 피해지 복구 중 ········································181

<그림 4-104> 절토사면 피해지 복구 후 ········································181

<그림 4-105> 암석지 절토사면 경관1 ··········································181

<그림 4-106> 암석지 절토사면 경관2 ··········································181

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<그림 4-107> 응봉산 산사태 ··················································185

<그림 4-108> 응봉산 복구1 ···················································186

<그림 4-119> 응봉산 복구2 ···················································186

<그림 4-110> 응봉산 복구3 ···················································186

<그림 4-111> 응봉산 복구4 ···················································186

<그림 4-112> 응봉산 복구5 ···················································186

<그림 4-113> 응봉산 복구6 ···················································187

<그림 4-114> 응봉산 복구7 ···················································187

<그림 4-115> 응봉산 복구8 ···················································188

<그림 4-116> 응봉산 복구9 ···················································188

<그림 4-117> 응봉산 복구 완료 ···············································188

<그림 4-118> 임도 노면 횡단면도 ·············································189

<그림 4-119> 성토사면 균열 침하1 ············································190

<그림 4-120> 성토사면 균열 침하 보수 ········································190

<그림 4-121> 성토사면 균열 침하2 ············································191

<그림 4-122> 성토사면 균열 침하 보수2 ·······································191

<그림 4-123> 임도 단면도 ····················································192

<그림 4-124> 역횡단물매의 임도노면 단면도 ···································192

<그림 4-125> 역횡단물매 피해지1 ·············································193

<그림 4-126> 역횡단물매 피해지2 ·············································193

<그림 4-127> 역횡단물매 피해지 긴급보수 ·····································193

<그림 4-128> 역횡단물매 피해지 보수 ·········································193

<그림 4-129> 역횡단물매 보수1 ···············································194

<그림 4-130> 역횡단물매 보수2 ···············································194

<그림 4-131> 역횡단물매 보수 완료 ···········································194

<그림 4-132> 임도 노면 단면도 ···············································195

<그림 4-133> 임도 횡단면도1 ·················································196

<그림 4-134> 임도 횡단면도2 ·················································196

<그림 4-135> 토사형 다이크 시공 전1 ·········································197

<그림 4-136> 토사형 다이크 시공 후1 ·········································197

<그림 4-137> 토사형 다이크 시공 전2 ·········································197

<그림 4-138> 토사형 다이크 시공 후2 ·········································197

<그림 4-139> 절토사면 피해지 ················································198

<그림 4-140> 큰돌쌓기 ·······················································198

<그림 4-141> 토사형 다이크 시공 전3 ·········································199

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<그림 4-142> 토사형 다이크 시공 후3 ·········································199

<그림 4-143> 부실 시공 토사형 다이크1 ·······································200

<그림 4-144> 토사형 다이크 보수1 ············································200

<그림 4-145> 부실 시공 토사형 다이크2 ·······································201

<그림 4-146> 토사형 다이크 보수2 ············································201

<그림 4-147> 큰돌 다이크 시공 중 ············································202

<그림 4-148> 큰돌 다이크 시공 후 ············································202

<그림 4-149> 암석 복토지1 ···················································203

<그림 4-150> 암석지 복토 중 ·················································203

<그림 4-151> 암석지 복토 후 ·················································203

<그림 4-152> 암석 복토지2 ···················································204

<그림 4-153> 암석지 복토 중 ·················································204

<그림 4-154> 암석지 복토 후 ·················································204

<그림 4-155> 임도 노면 단면도 ···············································205

<그림 4-156> 잡초․목 노면 제거 전 ············································206

<그림 4-157> 잡초․목 노면 제거 중 ············································206

<그림 4-158> 잡초․목 노면 제거 후 ············································206

<그림 4-159> 옆도랑 잡목 제거 전 ············································207

<그림 4-160> 옆도랑 잡목 제거 중 ············································207

<그림 4-161> 옆도랑 잡목 제거 후 ············································207

<그림 4-162> 성토사면 잡목 제거 전 ··········································207

<그림 4-163> 성토사면 잡목 제거 후 ··········································207

<그림 4-164> 임도 노견 잡초 제거 전 ·········································208

<그림 4-165> 임도 노견 잡초 제거 후 ·········································208

<그림 4-166> 임도노면 식생 잡목1 ············································208

<그림 4-167> 임도노면 식생 잡목2 ············································208

<그림 4-168> 날개벽 잡목 제거 전 ············································209

<그림 4-169> 날개벽 잡목 제거 후 ············································209

<그림 4-170> 임도노면 위 잡초 제거전1 ·······································209

<그림 4-171> 임도노면 위 잡초 제거후1 ·······································209

<그림 4-172> 임도노면 위 잡초 제거전2 ·······································210

<그림 4-173> 임도노면 위 잡초 제거후2 ·······································210

<그림 4-174> 성토사면 잡목 상단부 제거 ······································211