OTISFIELD — The Board of Selectmen agreed Wednesday night to spend $35,500 to address safety and drainage issues on Cobb Hill Road.

Selectmen said two culverts will be placed at the top of the road and one at the bottom to improve safety for motorists. Off Road Construction Inc. of Minot offered to do the job for $35,500.

The money will come from the roads budget and the Road Reserve Fund. Road Commissioner Richard Bean Sr. purchased three culverts with money from the roads budget.

Ross Cudlitz of Engineering Assistance Design in Yarmouth, who has been project engineer, will oversee the work.

Major storms in recent years washed out the road, which runs between Route 121 and Scribner Hill Road, despite installation of three culverts previously.

This past June, voters approved $55,000 for improvements to Cobb Hill Road, including $12,500 for the design by Cudlitz and $42,500 for labor and materials.

A 2010 grant through the Thompson Lake Environmental Association helped reduce an estimated 52 tons of soil from entering the lake from various sites, but problems at Cobb Hill Road have continued.

In other action Wednesday, the board signed a dozen more leases for Heniger Park, bringing the total to 35. The 99-year leases are for town land next to Pleasant Lake.

Also at the meeting, Board of Selectmen Chairman Hal Ferguson said core samples at the Pleasant Lake Dam in Casco will be taken this month before the next steps to repair the structure.

Casco and Otisfield selectmen received a report last year from the Maine Emergency Management Agency that said there is significant leakage and structural deterioration at the dam.

The dam is on Mill Brook, behind the Hancock Lumber office on Route 121. It regulates the water level of the 3.8-mile-long Pleasant Lake, which lies in Casco and Otisfield. There are numerous homes and cottages around the lake, as well as the Seeds of Peace International Camp on the western shore and Camp Arcadia for Girls on the eastern shore, both in Otisfield.

The dam has been jointly owned, operated and maintained by Casco and Otisfield since 1994. It previously was owned by Hancock Lumber Co.

According to the Maine Dams Inventory, the 110-foot-long, 12-foot-high dam was built in 1850, repaired in 1980 and has low-hazard classification, meaning there is nothing significant downstream that would be affected by a dam breach.

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