Attachment 3 - Construction Equipment List STF2021-0035
1
Table 1: Types of vehicles - anticipated noise levels – Mitigation measures planned to minimize the impact
Item
#
Equipment Sound
level
(dBA) at
50’
Sound
level
(dBA) at
100’
Sound
level
(dBA) at
200’
Sound level
(dBA) at 400’
Type of Construction work Mitigation measures
1 Asphalt Planning 79 76 73 70 For paving operations and
striping operations
Mobile operation. The sounds of this equipment would be perceived as peaks above the nighttime traffic noise.
Contractor shall avoid parking and idling vehicles next to residences. After hours noise complaint phone number
will be made available.
2 Concrete Saw 85 79 73 67 For Loop installation The sounds of this equipment would be perceived higher above the nighttime traffic noise. An after-hours noise
complaint phone number will be available.
3 Sweepers 76 73 70 67 Supports general
construction operations
The sounds of this equipment would be perceived higher above the nighttime traffic noise. An after hour, noise
complaint phone number will be available.
4 Dump truck 68 65 62 59 Supports general
construction operations
Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime
operations but dissipated as the equipment moves along completing the tasks. An after-hour noise complaint
phone number will be available.
5 Pickup truck 68 65 62 59 Support various
construction activities
The sounds of this equipment would be perceived higher above the nighttime traffic noise. An after-hours noise
complaint phone number will be available.
6 Stripe Grinder 82 79 76 73 Removing existing
pavement marking
Mobile operation. Construction equipment sounds likely will be noticeable by residents during nighttime
operations but dissipated as the equipment moves along completing the tasks. An after-hour noise complaint
phone number will be available.
7 Pavement striping
machine
79 76 73 70 Placement of pavement
markings
This is a mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise.
An after-hours noise complaint phone number will be available.
8 HMA Paving
machine
80 77 74 71 Paving operations Slow moving mobile operation. The sounds of this equipment would be perceived above the nighttime traffic
noise.
An after-hour noise complaint phone number will be available .
9 Generators and
light plants
64 58 52 46 Support various
construction activities
Avoid parking and idling vehicles next to residences. An after-hours noise complaint phone number will be
available.
10
Compaction roller 77 74 71 68 Paving operations It is a mobile operation. The sounds of this equipment would be perceived above the nighttime traffic noise.
Contractor shall avoid parking and idling vehicles next to residences. After hours noise complaint phone number
will be made available.