Cornwall-Lebanon updates stadium and district construction projects; unsuitable soils add change orders

District staff on Tuesday provided a semiannual buildings-and-grounds report that detailed ongoing work at the high school stadium, plumbing and mechanical repairs across several campuses, and multiple summer projects at elementary schools.

The district said contractors discovered about 1,100 cubic yards of unsuitable material under the stadium site that had to be removed and replaced with stone before footers could be poured. Staff described the material as a mix of large boulders and clay that would not compact to code, and said replacement work increased excavation depth in places to about 8 feet. The district estimated the direct cost tied to the unsuitable soils at “a little less than $100,000” and said it is verifying change-order amounts with Stackbeck Engineering, FIDavia and Earth Engineering, the geological engineering firm on site.

The stadium project is proceeding in phases: staff showed photos of footers poured and the emerging structure for a new concession-and-restroom building. Work to remove the home bleachers, demolish an existing music/aid stand and complete underground electrical trenching is slated to occur once fall sports finish; the district said it expects the north end of the stadium to be ready for…