Final Report Chapter 9 Environmental and Social Considerations Impact Category Item Others Working condition (including safety) Traffic Accident Classification In Scoping Classification Based on Survey Construction Operation Construction Reasons of Classification Operation C- C+ C- C+ Construction: Safety and health should be taken to construction labors. B- D B- D Construction： Preventive measures against traffic accident in construction at public road. 9.4.4 Impact-alleviating measures and costs of the measures The measures to alleviate the impact on the items assessed as categories A, B and C, and the costs of those measures, are shown in Table 9.4-5. The costs of the impact-alleviating measures will be estimated at the detailed design stage. In this table, the necessary items are set out. Table 9.4-5 Measures to Alleviate Impact and Costs of the Measures Category Pollution Impact Item Stage Work Reduction measure Air pollution Construction Duct laying Pole erection Building Disposal Construction Packing material Duct laying Pole erection Building Social Environment Noise, Vibration Construction Duct laying Pole erection Building Regional economy such as employment and life stile Construction Duct laying ① Use low emission machinery ② Effective use of machinery Appropriate procedure for packing material Recovery of road surface No waste soil within MPT premises Reuse of temporary materials Use of low noise and low vibration machinery ① Workin g hour adjustment such as use of holiday ② Constr uction is required only 2 days with 50m interval. Sidewalk vender is possible to temporary 9-18 Executing Agency Contractor Responsible Agency MPT Cost bearing Contractor Contractor MPT Contractor Authorized Road maintenance company Contractor MPT Contractor MPT Contractor Contractor MPT Contractor Contractor MPT Contractor Contractor MPT Contractor