MBS, Timely completion of final forming Contract & MB6, re-vegetation enforcement by MB?, Trenching where necessary. MPW and its MB8, Seeding with fast growing native seed Construction MB9, mixtures. Supervision GGI, Use of grass sods where warranted. Consultant. GG2 Stabilization of embankment slopes. Use of riprap to reduce erosion when required. Side slopes based on soil and other conditions per Project Specifications. Stepped embankments if greater than six meters. Construction in erosion- and flood-prone areas restricted to the dry season. MBI, It is recommended that contract Incorporated in MB2, Soils - Borrow Pits documents specify the use of existing recommended MB3, Hydrology Alteration of authorized borrow pits. contract provisions, MB4, Surface Drainage Bid and contract documents will include Appendix A. MBS, requirements to ensure: Contract MB6, Adoption of appropriate hydrological enforcement by MB?, standards. MPW and its MB8, Installation of adequately sized Construction MB9, drainage channels. Supervision GGI, Stabilization of downstream slopes Consultant. GG2 with concrete, rock gabions or walls to avoid erosion where warranted. Contract provisions to ensure that construction camps and other potential sources of secondary impacts are properly sited and provided with drainage and wastewater facilities. Mitigation will include: MBI, Incorporated in MB2, Avoidance of adverse impacts Hydrology Water Quality recommended MB3, through enforcement of good Degradation contract provisions, MB4, environmental management practice Appendix A. MBS, under construction supervision staff. Contract MB6, Design engineering to ensure that enforcement by MB?, road drainage provisions and MPW and its MB8, rehabilitated embankments that do Construction MB9, not alter the current status of natural Supervision GGI, water bodies and irrigation structures Consultant. GG2 adjacent to alignments. Contract provisions will ensure that construction camps and other potential sources of secondary impacts are properly sited and provided with drainage and wastewater facilities
Timely completion of final forming & re-vegetation Trenching where necessary. Seeding with fast growing native seed mixtures. Use of grass sods where warranted. Stabilization of embankment slopes. Use of riprap to reduce erosion when required. Side slopes based on soil and other conditions per Project Specifications. Stepped embankments if greater than six meters. Construction in erosion- and flood-prone areas restricted to the dry season. Contract enforcement by MPW and its Construction Supervision Consultant. MBS, MB6, MB?, MB8, MB9, GGI, GG2 Soils - Borrow Pits Hydrology Alteration of Surface Drainage Hydrology Water Quality Degradation It is recommended that contract documents specify the use of existing authorized borrow pits. Bid and contract documents will include requirements to ensure: Adoption of appropriate hydrological standards. Installation of adequately sized drainage channels. Stabilization of downstream slopes with concrete, rock gabions or walls to avoid erosion where warranted. Contract provisions to ensure that construction camps and other potential sources of secondary impacts are properly sited and provided with drainage and wastewater facilities. Mitigation will include: Avoidance of adverse impacts through enforcement of good environmental management practice under construction supervision staff. Design engineering to ensure that road drainage provisions and rehabilitated embankments that do not alter the current status of natural water bodies and irrigation structures adjacent to alignments. Contract provisions will ensure that construction camps and other potential sources of secondary impacts are properly sited and provided with drainage and wastewater facilities Incorporated in recommended contract provisions, Appendix A. Contract enforcement by MPW and its Construction Supervision Consultant. Incorporated in recommended contract provisions, Appendix A. Contract enforcement by MPW and its Construction Supervision Consultant. MBI, MB2, MB3, MB4, MBS, MB6, MB?, MB8, MB9, GGI, GG2 MBI, MB2, MB3, MB4, MBS, MB6, MB?, MB8, MB9, GGI, GG2