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HomeMy WebLinkAboutMisc_Equipment_List_Noise_Variance_231206_v11 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (1 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise /Mitigation measures 1 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 2 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 3 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 4 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 5 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 6 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary Operations: This equipment likely will not be perceived by residents over the existing I 405 traffic noise. An after hour noise complaint phone number will be available. 7 Boom truck with auger 88 82 76 72 Utility work operation/Remove and replace Traffic Signal posts. Drilling operations Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 8 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. RECEIVED Clark Close 06/30/2020 PLANNING DIVISION 2 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (2 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise /mitigation Measures 1 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 2 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 3 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 4 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 5 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 6 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary Equipment. This equipment likely will not be perceived by residents over the existing I 405 traffic noise If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 7 Boom truck with auger 88 82 76 72 Utility work operation/Remove and replace Traffic Signal post. Drill operations Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 8 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 9 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 10 75 KW Generator 67 61 55 52 Support various Construction equipment such as but not limited lights, power tools, impact tools, grinders, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 11 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that 3 equipment is operating. An after hour noise complaint phone number will be available. 12 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 13 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 14 966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 15 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 4 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (3 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 2 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 3 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 4 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 5 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 6 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 7 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 8 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 9 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 10 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 11 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that 5 equipment is operating. An after hour noise complaint phone number will be available. 12 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 13 Boom truck with auger 88 82 76 72 Utility work operation/Remove and replace Traffic Signal post. Drill operations Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 14 75 KW Generator 67 61 55 52 Support various Construction equipment such as but not limited lights, power tools, impact tools, grinders, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 15 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 16 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 17 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 18 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 19 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 20 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 6 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (4 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 2 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 3 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 4 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 5 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 6 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 7 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 8 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 9 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 10 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 11 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive 7 backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 12 Man lift 72 66 60 57 Support construction activities requiring Lifting workers Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required. An after hour noise complaint phone number will be available. 13 Boom truck with auger 88 82 76 72 Utility work operation/Remove and replace Traffic Signal post. Drill operations Stationary operations. This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 14 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations. This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 15 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 16 75 KW Generator 67 61 55 52 Support various Construction equipment such as but not limited lights, power tools, impact tools, grinders, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 17 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 18 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 19 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 20 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 21 Davey DK 725/790 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 21 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 8 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (5 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary operations: This equipment likely will not be perceived by residents over the existing I 405 traffic noise. An after hour noise complaint phone number will be available. 2 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 3 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 4 Skid Steer 71 68 65 63 Support earth move/materials, scooping & dumping dirt/rocks, gravel piles Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 5 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 6 Water Trucks 72 69 66 64 Support construction activates supporting compaction, general concrete work, dust control Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 7 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 8 Boom truck with auger 88 82 76 72 Utility work operation/Remove and replace Traffic Signal post. Drill operations Stationary operations. This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available. 9 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available. 10 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 11 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 9 12 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 13 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 14 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 15 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 16 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 17 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 18 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 19 Boring Machine 88 81 75 72 Support Drilling rocky and dirt. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 20 Vibrator Concrete Consolidator 78 72 66 63 Support activities related to concrete structures. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 21 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 22 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 23 Davey DK 725/790 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 24 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 25 75 KW Generator 67 61 55 52 Support various Construction equipment such as but not limited lights, power tools, impact tools, grinders, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 10 26 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 11 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (6 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 2 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 3 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 4 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 5 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 6 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 7 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 8 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 9 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 10 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 11 Skid Steer 71 68 65 63 Support earth move/materials, scooping & dumping dirt/rocks, gravel piles Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 12 12 75 KW Generator 67 61 55 52 Support various Construction equipment such as but not limited lights, power tools, impact tools, grinders, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 13 Vibrator Concrete Consolidator 78 72 66 63 Support activities related to concrete structures. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 14 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 15 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 16 Water Trucks 72 69 66 64 Support construction activates supporting compaction, general concrete work, dust control Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 17 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 18 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary Equipment. This equipment likely will not be perceived by residents over the existing I 405 traffic noise If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 19 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 20 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 21 Tower Lift 72 66 60 57 Support construction activities requiring Lifting workers Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required. An after hour noise complaint phone number will be available. 22 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations. This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 23 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 13 24 Boring Machine 88 81 75 72 Support Drilling rocky and dirt. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 25 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 26 Davey DK 725/790 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 27 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 28 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 14 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (7 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 2 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 3 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 4 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 5 Water Trucks 72 69 66 64 Support construction activates supporting compaction, general concrete work, dust control Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 6 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 7 Boring Machine 88 81 75 72 Support Drilling rocky and dirt. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 8 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 9 Vibrator 78 72 66 63 Support activities related to concrete structures. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 10 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 11 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 15 12 Skid Steer 71 68 65 63 Support earth move/materials, scooping & dumping dirt/rocks, gravel piles Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 13 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 14 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 15 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 16 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 17 Pile Driving 98 92 86 83 Support construction activities to drive sheet steel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations, so this activity will occur during day time closures unless I 405 users or workers are not within a safe work zone. An after hour noise complaint phone number will be available. 18 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 19 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary operations: This equipment likely will not be perceived by residents over the existing I 405 traffic noise. An after hour noise complaint phone number will be available. 20 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 21 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 22 75 KW Generator 67 61 55 52 Support various Construction equipment such as but not limited lights, power tools, impact tools, grinders, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 23 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 24 Davey DK 725//Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 16 25 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 26 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 27 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 28 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 17 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (8 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 2 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 3 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 4 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 5 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 6 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 7 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 8 Water Trucks 72 69 66 64 Support construction activates supporting compaction, general concrete work, dust control Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 9 Skid Steer 71 68 65 63 Support earth move/materials, scooping & dumping dirt/rocks, gravel piles Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 10 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration 18 depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 11 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 12 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 13 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 14 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 15 Boring Machine 88 81 75 72 Support Drilling rocky and dirt. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 16 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 17 Pile Driving 98 92 86 83 Support construction activities to drive sheet steel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations, so this activity will occur during day time closures unless I 405 users or workers are not within a safe work zone. An after hour noise complaint phone number will be available. 18 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 19 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary operations: This equipment likely will not be perceived by residents over the existing I 405 traffic noise. An after hour noise complaint phone number will be available. 20 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 21 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they 19 have direct line of sight. An after hour noise complaint phone number will be available. 22 75 KW Generator 67 61 55 52 Support various Construction equipment such as but not limited lights, power tools, impact tools, grinders, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 23 Vibrator Concrete Consolidator 78 72 66 63 Support activities related to concrete structures. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 24 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 25 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 20 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (9 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 2 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 3 Duty Rigs 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, pipes, electrical cables, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 4 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 5 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 6 Skid Steer 71 68 65 63 Support earth move/materials, scooping & dumping dirt/rocks, gravel piles Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 7 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 8 Pile Driving 98 92 86 83 Support construction activities to drive sheet steel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations, so this activity will occur during day time closures unless I 405 users or workers are not within a safe work zone. An after hour noise complaint phone number will be available. 9 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 10 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 21 11 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 12 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 13 Tower Lift 72 66 60 57 Support construction activities requiring Lifting workers Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required. An after hour noise complaint phone number will be available. 14 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 15 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 16 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 17 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 18 Water Trucks 72 69 66 64 Support construction activates supporting compaction, general concrete work, dust control Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 19 Boring Machine 88 81 75 72 Support Drilling rocky and dirt. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 20 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 21 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 22 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary operations: This equipment likely will not be perceived by residents over the existing I 405 traffic noise An after hour noise complaint phone number will be available. 22 23 350 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 24 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 25 Drill Rigs 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 26 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 27 Vibrator Concrete Consolidator 78 72 66 63 Support activities related to concrete structures. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 28 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 23 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (10 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary operations: This equipment likely will not be perceived by residents over the existing I 405 traffic noise. An after hour noise complaint phone number will be available. 2 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 3 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 4 Skid Steer 71 68 65 63 Support earth move/materials, scooping & dumping dirt/rocks, gravel piles Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 5 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 6 Water Trucks 72 69 66 64 Support construction activates supporting compaction, general concrete work, dust control Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 7 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 8 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 9 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 10 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 24 11 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 12 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 13 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 14 Boring Machine 88 81 75 72 Support Drilling rocky and dirt. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 15 Pile Driving 98 92 86 83 Support construction activities to drive sheet steel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations, so this activity will occur during day time closures unless I 405 users or workers are not within a safe work zone. An after hour noise complaint phone number will be available. 16 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 17 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 18 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 19 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 20 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 21 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 22 Davey DK 725/790 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct 25 line of sight. An after hour noise complaint phone number will be available. 15 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 16 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 26 Types of construction equipment/construction activities - anticipated noise levels in the City of Renton (11 of 11) Item # Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Type of Construction Work Description of the projected nighttime construction noise 1 D8 Dozer 80 74 68 64 Support construction activities related to demo, clearing & grubbing, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 2 650/750 Excavator 86 80 74 70 Support construction activities related to demo, slope and embankment mobilization, foundation, detention ponds, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 3 935/966 Front Loader 72 66 60 58 Support construction activities: grading, scooping & dumping dirt/rocks / Scooping gravel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 4 Dump/Haul Truck 73 70 67 65 Support construction activities, hauling/dumping materials Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 5 330 Hoe-Pac 92 86 80 76 Support demo activities concrete structure (bridge, culverts, concrete, sidewalks- foundation piles) Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 6 Sweeper 78 75 72 71 HMA pavement removal/ Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 7 Vacuum Truck 86 80 74 70 Catch basins clean up/ installation electrical conduit and upgrade of electrical existing cabinets. Stationary operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending duration of the operation time of the equipment. If feasible temporary noise shields will be available An after hour noise complaint phone number will be available. 8 Water Trucks 72 69 66 64 Support construction activates supporting compaction, general concrete work, dust control Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 9 Skid Steer 71 68 65 63 Support earth move/materials, scooping & dumping dirt/rocks, gravel piles Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 27 10 Paver and Slip Form 83 80 77 75 Support HMA Paving operations Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 11 Compactor (Roller) 82 79 77 75 Support construction activates for compacting /grading Asphalt placement, subgrade, and structures ‘foundation. Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating and residences’ buffers. An after hour noise complaint phone number will be available. 12 Concrete Saw 85 79 73 70 Support construction activities related to concrete cutting, pavement, utilities and Hydraulic structures, barriers, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible and safe for workers, temporary shields will be placed around saws. An after hour noise complaint phone number will be available. 13 Excavator Cat 349 w/Breaker 86 80 74 70 Demo asphalt and concrete paving, structures. Excavate rocky ground/earthwork. Stationary operations This equipment likely will be perceived by residents over the existing I 405 traffic noise. If feasible Temporary noise shield will be placed An after hour noise complaint phone number will be available 14 Man lift/auger 72 66 60 57 Utility/ITS work installation/operations Stationary operations: This equipment likely will not be perceived by residents over the existing I 405 traffic noise. An after hour noise complaint phone number will be available. 15 Hydraulic/80-100 Ton Crane 74 68 62 59 Set up bridge girders/panels support bridge and structures Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 16 Fork Lift 88 85 82 81 Support Construction activities moving material, soils, hauling in general Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 17 Planing grinder/Milling Machine 84 81 78 76 HMA Paving, pavement repair and removal of existing material Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime operations but dissipated as the paving equipment moves along completing the tasks. An after hour noise complaint phone number will be available 18 Air Automatized Stripe grinder 73 70 67 66 Removal permanent lane marker/Placing of MMA/ Durable and visible delineation Mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise for short duration depending speed that equipment is operating. An after hour noise complaint phone number will be available. 19 Backhoe 76 70 64 60 General construction operations: Demo work/ asphalt removal/ removal dirt/concrete blocks Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hour noise complaint phone number will be available. 20 Tower Lift 72 66 60 57 Support construction activities requiring Lifting workers Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations Ambient sensitive backup alarms are required. An after hour noise complaint phone number will be available. 28 21 Boring Machine 88 81 75 72 Support Drilling rocky and dirt. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 22 Pile Driving 98 92 86 83 Support construction activities to drive sheet steel piles Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations, so this activity will occur during day time closures unless I-405 users or workers are not within a safe work zone. An after hour noise complaint phone number will be available. 23 Concrete Pump Truck 83 77 71 68 Support concrete placement at several locations along the project Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 24 Bauer BG 28/40 Drill Rig 68 62 56 52 Support construction activities for Soil investigation, placing foundation piles, etc. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. An after hour noise complaint phone number will be available. 25 Jackhammers 91 85 79 75 Support Construction activities such as pavement, structure breaking and removal. Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available. 26 Light Plants 61 55 49 45 Support general construction activities Stationary operations. Construction equipment sounds likely will be noticeable by residents during nighttime operations if they have direct line of sight. If feasible Temporary noise shield will be placed. An after hour noise complaint phone number will be available.