LM6000: FOD-screen access-door mod enables safe opening/closing – Combined Cycle Journal

LM6000: FOD-screen access-door mod enables safe opening/closing

Shoreham Energy LLC

Owned by J-Power USA Development Co
Operated by NAES Corp
90 MW, 2 × 0 LM6000PC-powered peaking plant equipped to burn only liquid fuel, located in Shoreham, NY

Plant manager: Kenneth Ford

Challenge. Shoreham’s gas turbines were supplied with FOD-screen (foreign object damage) access doors designed for manual installation/removal to permit semi-annual inspections. Historically, these doors had been maneuvered using a rope and pulley arrangement. The possibility of injury given the pinch points and muscle strains created by awkward body positioning was concerning. The original setup (photo, left) also required that two or more employees had to work collaboratively in a very narrow space, thereby contributing to the risk of injury.

Solution. Install a handle and hinge bracket (middle photo) allowing the door to be opened easily to access the FOD screen. Not only would the weight of the door be supported fully by installing a dedicated hinge bracket, but a single employee would be able to open the door for inspection, and then secure it afterward.

Results. The site engaged a local fabricator that has manufactured similar equipment in the past and asked it to develop and install a hinge bracket and handle assembly on the inboard FOD screen access doors of each GT. The hinge assembly developed (photo, right) was a success, allowing easy opening and closing of the door without any additional manipulation.

Project participants:

Michael Citarelli
Anthony Angieri

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