# Electrical permit B20-001993 at 150 Glen St, Somerville

Somerville Inspectional Services Division permit B20-001993: issued Jan 19, 2021 for electrical work at 150 Glen St. ? Filter Replacements o Replace 12" MERV 11 filters with 12" MERV 14 filters in RTU-1 and 2 (20 filters total (12 in RTU-1, 8 in RTU-2)) o Replace 2" filters with 2" MERV 13 filters in AHU-1 and 2 (24 filters total (12 per unit)) ? Rebalance outdoor air in RTU-1&2 and AHU-1&2 ? Unit Mounted UV Lights ? Furnish and install four (4) unit mounted UV lights; one each in unit: RTU-1, RTU-2, AHU-1, AHU-2 ? Duct Mounted Electric Humidifiers ? Furnish and install four (4) duct mounted electric humidifiers; one for RTU-1 (nom 70 lbs/hr), one in RTU-2 (nom. 35 lbs/hr), one in AHU-1 (nom. 30 lbs/hr) and one in AHU-2 (nom. 30 lbs/hr) ? CO2 Sensors ? Furnish and install forty (40) wall mounted space CO2 sensors for classrooms, library, kindergarten, cafeteria, admin conference, teachers? lounge, music room and gym. ? Portable Humidifiers ? Provide twenty four (24) portable humidifiers (nom.

- Permit number: B20-001993
- Issued: Jan 19, 2021
- Type of work: Electrical (city: Building Permit, Commercial Other)
- Status: Finished (city: Closed)
- Reported cost: $611,499
- ZIP code: Not listed
- All permits at this address: https://nearbypermits.com/somerville/address/150-glen-st/

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Source: Somerville Inspectional Services Division permit data (https://data.somervillema.gov/d/nneb-s3f7), SomerStat, City of Somerville, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Checked 2026-10-08 19:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL). Database: https://data.somervillema.gov/d/nneb-s3f7 License: https://opendatacommons.org/licenses/odbl/1-0/

Every permit at 150 Glen St: https://nearbypermits.com/somerville/address/150-glen-st/