Construction will begin soon on the second phase of a renovation project at Bettendorf Middle School, the school board decided this week.

On Monday, the board approved a bid of nearly $3.523 million from Swanson Construction in Davenport to complete the project at the 52-year-old school at 2030 Middle Road.

That estimate also takes into account architect fees, contingencies, surveying and asbestos abatement, among other costs.

The project will include enlarging the cafeteria, renovating the main office, adding a new secure entrance, adding special education and STEM/project classrooms and installing HVAC and air-quality monitoring equipment.

District spokeswoman Celeste Miller said construction should begin within the next seven to 10 days. It is expected to be completed by the start of the 2014-15 school year.

Superintendent Theron Schutte said the renovation is part of the district’s long-range facilities plan and the district began seriously talking about the project last year.

This summer, the district launched the first phase of the project. That work included turning the auditorium into three separate classrooms to accommodate the growing number of students, renovating the “Living Skills” classroom and upgrading the HVAC system in the wrestling room.

Schutte said the second phase of the project will be funded through sales tax and Physical Plant and Equipment Levy funds.

The next major project the district wants to complete is a renovation of the high school's TouVelle Stadium that will include new turf, a newly configured track and new lights.

Schutte said later phases of that project will include a renovated home concession stand, new entrance and plaza.

Schutte said he hopes to go out for bids on the project in December. He estimated the cost of the project at $3.5 million but stressed that the number is a “very preliminary cost estimate."