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Presenters cite hidden walls and other unforeseen conditions at Lowell High; team outlines O&M, website and program updates
Summary
Architects and contractors told the Lowell City School Building Committee they encountered multiple wall types and hidden masonry behind plaster in the 1922 portion of Lowell High, a discovery the team says was limited by occupied‑school constraints on preconstruction demolition.
The School Building Committee heard detailed explanations of construction conditions that have affected the Lowell High School renovation schedule, plus several administrative updates on warranties, project materials and program space.
Perkins Eastman and contractor presenters described finding multiple wall types and masonry hidden behind plaster during demolition of the 1922 building; those conditions were not visible on existing drawings. The architect said investigators expected masonry but not the variety and condition uncovered once plaster was removed. The project team told the committee that investigators limited intrusive inspections early in the project because the school remained occupied, and wholesale removal of plaster could not be done before demolition work began.
Committee members pressed why more intrusive inspection was not done earlier on a 100‑year‑old building; the team responded that site access and occupied‑school constraints limited how much demolition could be performed prior to active construction. The architect said, "We expected masonry. We saw masonry," and added that the variety of masonry types and conditions only became apparent after removing plaster during demolition.
Presenters also reported on punch‑list and warranty matters: phase 1 and phase 2 punch lists total about 60 items (four from phase 1, 56 from phase 2), and the team said those items are scheduled to be completed before the end of the summer. Warranty and operation-and-maintenance (O&M) documents and as‑built drawings were described as being provided on flash drives, in PDF, and in hard copy to the city's DPW/facilities team; the presenters said O&M and maintenance schedules are in formats that can be transferred to other systems.
Administrative updates given to the committee included: a planned project website launch (presenters said a new project website is being finalized with a target launch date of July 30) and an update on the Keegan Memorial Stone (presenters said they have a proposed location and have reached out to the family to discuss it). The project team also reported that they are coordinating with the Massachusetts School Building Authority (MSBA) and the Department of Elementary and Secondary Education (DESE) about class‑use assignments for a room being considered for Chapter 74 vocational programming; presenters said they met with school staff and planned further discussion with MSBA/DESE the following week.
Why it matters: the hidden wall and foundation conditions are the technical root of several change orders and schedule impacts; warranty, punch‑list and documentation issues affect near‑term turnover and building maintenance; the Chapter 74 and classroom‑use discussions affect whether specialized vocational programming can start on the planned timeline.
Presenters said maintenance schedules and as‑built documents are being handed over to the city and that Mark and Paul on the city's side have Procore access; they also noted the team will post presentations and project materials on the Lowell High School project website in advance of future meetings to improve public access.
