Dear Mill St. Neighbors:
This is to give you an update on what you can expect with
the building project over the next few weeks and months.
Blasting Schedule
The anticipated blasting schedule for the week of 8/28/17 is
as follows:
Tuesday and
Thursday, with 2 blasts per day between 8:00 AM and 4:00 PM.
We anticipate that the blasting will end during the week of
9/11/17.
Blast Readings
Please note that we have been monitoring blast readings. Readings for 3
specific houses on Mill St. are listed below:
60 Mill Street –
Average PPV = .043 Highest reading =
.103 Lowest Reading =0
Db levels – Highest reading – 98.05 Lowest
reading = 0
36 Mill Street
Average PPV = .115 Highest Reading = .202
Lowest reading .061
Db levels – Highest reading – 116 Lowest
Reading 109.5
10 Mill street
Average PPV = .289 Highest Reading =
.349 Lowest Reading .229
Db levels = Highest Reading 124.5 Lowest
reading 112.4
Massachusetts State Law
the maximum allowable limits for SEISMIC ACTIVITY IS 2.0 and Db level is 133 ;
all readings are well below the allowable limits.
Next Steps
Bridge and crushing operations are expected to begin during the week of 9/4/17.
Foundation concrete operations
are expected to begin 9/18/17.
Cranes arrival and assembly,
and steel are expected around 12/1/17.
Next Neighborhood Meeting
Our next Neighborhood Update meeting is scheduled for 9/26/17. We may
move that date, depending on site work, as we hope to take a walk about the
site. I will send out a notice closer to the date to confirm.