The Highlands Condominiums
Hayduk Engineering was responsible for the engineering design and construction supervision of The Highlands Condominiums in Port Jefferson, NY. The development consists of twenty-five (25) buildings containing a total of 264 condominium units. Hayduk Engineering’s design responsibilities included; roadway and parking lot design, site grading, drainage system design including two (2) innovative drainage ponds, RPZ and water distribution system design, sanitary sewer collection system and pumping station and force main connection into Suffolk County Sewer District #1 – Port Jefferson.
Originally the project included the design of an on-site 58,000 gpd dual train extended aeration sewage treatment plant. Later it was decided to connect in to the SCSD #1 Port Jefferson system. The connection required HE to perform an inflow and infiltration study of pertinent SCSD #1 sewers which resulted in our recommendation that the deteriorated sewers be “slip lined” with Instituform. The rehabilitation project included slip lining approximately 150 LF of sewer pipe, installation of additional cleanouts, and concrete and joint repairs to two existing manholes. The constructed sewer collection system consists of approximately 4,000 LF of 8” PVC gravity sewers and 22 manholes, and cleanouts. The pumping station consists of a 8’ diameter, 22’ deep wet well containing two (2) 20 HP submersible pumps with an operating point of 161 gpm at 97’ total dynamic head, and a 1300 LF 4” diameter DIP force main connection to SCSD #1. The pumping station is also equipped with a 50 kW emergency generator.