CARRBORO - The Board of Aldermen agreed Tuesday night to delay discussions about the proposed charter school and other changes proposed for the Claremont South mixed-use project on Homestead Road.

Developer Parker Louis LLC asked the board to postpone the public hearing for modifications to its conditional-use permit approved last April for 92 single-family homes and one acre of commercial space.

The modifications, which involves the eastern portion of the 38-acre site, now propose a 15,200 square foot two-story commercial building, and 84 apartments within four three-story buildings. The changes also would increase the amount of land zoned for commercial use by 1.36 acres.

Planning Director Trish McGuire said the developer did not say why they wanted to postpone the public hearing.

The Howard and Lillian Lee Scholars Charter School has been approved by the State Board of Education to open in August.

Doris Jackson, president of the school’s board of directors, had said in a letter that the school could open in late 2013 if the aldermen approved the modified conditional use permit in January.

Neighbors have expressed concerns about the charter school and the development’s impact on Bolin Creek.

“Bolin Creek is already somewhat compromised,” Tom Barta said in an email to the board. “Further development on the Homestead corridor would have more impact on the creek and the wildlife it supports, as well as the what the creek has to offer to people, such as myself, who enjoy its natural beauty.”

The public hearing will not take place on March 21 and the new date has not yet been set.

In other business:

• The board authorized the town manager to negotiate and execute a contract with Waste Industries, rather than the Durham Transfer Station, to take the town’s trash when the county landfill closes June 30.

The staffing and equipment needs would be the same regardless of which transfer station the town selects, according to town staff reports.

The total contract cost with Waste Industries is estimated at $286,220 per year for the first three years compared to $296,692 for the Durham Transfer Station.