Full History Timeline

Cast-in-place, concrete equipment gallery. Gas room/control building made from cast-in-place concrete structural framing with masonry infill walls. Overhead steel gas pipe supports. Cast-in-place, post-tensioned concrete, steel framed digesters.

THE HP-238 HUNTS POINT NEW ANAEROBIC DIGESTER FACILITIES PROJECT INCLUDES CONSTRUCTION OF DIGESTOR CONTROL AND GAS BUILDING, BELOW GRADE EQUIPMENT GALLERY, AND FOUR 92-FT INSIDE DIA. SILO SHAPE DIGESTERS WITH CONCRETE FOUNDATIONS.

Analysis and design of steel walkways and stair towers for access to digester tank roofs including steel design of all elements and connections and design and detailing/development of drawings.

Elevator ventilation and heating.

Equipment gallery ventilation and heating. Control Building heating, cooling and ventilation. Gas room heating and ventilation.

The HP-238 Hunts Point Wastewater Treatment Plant New Anaerobic Digester Facilities project includes construction of new single-story digester control building, gas building, and 4 sludge digesters including construction fencing.

The Hunts Point Wastewater Treatment Plant New Anaerobic Digester Facilities project includes excavation, site grading, construction of access roads, sidewalks, curbs, installation of utilities (storm, sanitary, water, gas, electrical) and pipe yard.

Provide domestic piping for water heater and associated plumbing fixtures. Sanitary piping for associated plumbing fixtures. Storm drainage piping for roof drains. Make-up water connections to hydronic systems.

INSTALLATION OF SCAFFOLD STAIR TOWER FOR WORKER ACCESS DURING CONSTRUCTION. SCAFFOLD SHALL COMPLY WITH NYCC 2022 CHAPTER 33 . NO CHANGE IN EGRESS, USE, OR OCCUPANCY.

HEREWITH FILING FOR TEMPORARY SUPPORT OF EXCAVATION SYSTEM FOR THE DIGESTER FACILITY. SYSTEM CONSISTS OF SOLDIER PILES WITH WOOD LAGGING.NO CHANGE IN USE, EGRESS OR OCCUPANCY WITH THIS FILING.

TEMPORARY SUPPORT OF EXCAVATION SYSTEM FOR THE DIGESTER FACILITY. SYSTEM CONSISTS OF SECANT PILES AND SOLDIER PILES WITH LAGGING.