? Replace 2" MERV 8 filters with 2" MERV 13 filters in AHU-1
Roofing at 75 Elm St, Somerville
Somerville Inspectional Services Division permit B20-001999: issued Aug 3, 2021 for roofing work at 75 Elm St. ? Replace 2" MERV 8 filters with 2" MERV 13 filters in AHU-1, 2, 3, 4, 7 (six filters per unit, W&H vary, angled banks) ? Replace 2" MERV 8 filters with 2" MERV 13 filters in RTU-1 (16 filters, 20x20 ea.) ? Rebalance outdoor air in AHU-1, 2, 3, 4, 5, 7, RTU-1 ? Provide six (6) in unit or duct mounted UV lights for AHU's 1, 2, 3, 4, 7 and RTU-1 ? Provide six (6) duct mounted electric humidifiers for AHU-1, 2, 3, 4, 7 and RTU-1 (nom 30 lbs/hr) ? Provide forty five (45) portable air filtration units for classrooms ? Provide forty five (45) wall mount space CO2 sensors for classrooms, library and kitchen. ? Provide forty five (45) portable humidifiers (nom. 10 lbs/hr); for classrooms ? Retro commission forty five (45) unit ventilators and seven (7) air handlers ? Nurses Suite o Furnish and install a new utility style exhaust fan on the high roof with a discharge stack extending 10.
- Permit number
- B20-001999
- Issued
- Type of work
- Roofing
- Status
- Finished
- Reported cost
- $770,013
- ZIP code
- Not listed
- City's category
- Building Permit, Commercial Other
- City's status
- Closed
- Source
- Somerville Inspectional Services Division permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 75 Elm St, and what's permitted nearby
Somerville Inspectional Services Division updated its data Oct 6, 2026. We checked it Oct 7, 02:26 UTC. See the city's official records (SomerStat, City of Somerville, ODbL 1.0).
Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL).
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