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Caithness Energy, New York

Caithness Long Island LLC


The General Contract scope of work for the Caithness Long Island Energy Center included all civil, structural, mechanical and electrical installations for the completion of a 350 MW combined cycle power generating facility. The civil work, which was self-performed by Peter Scalamandre & Sons, Inc., included all clearing, earthwork, underground utilities, concrete foundations, final grading and paving. The structural work included assembly of pre-engineered buildings and canopies, fabrication and assembly of steel utility racks and access platforms, erection of mechanical and electrical support systems, and architectural interior finishes for plant maintenance and office spaces. The mechanical scope included complete piping and mechanical system installation, erection of Siemens 501F duel-fired turbine and generator, air-inlet filter house assemble, heat recovery steam generator (HRSG), Siemens HP/IP/LP steam turbine and generator, and an air-cooled condenser with associated steam ducting and balance of plant equipment.

The electrical scope included foundation installation, complete cabling, terminations, instrumentation, heat tracing, and installation of all electrical equipment such as step-up transformers, bus ducts, switchgear, unit substations, and power control centers. Management of a controlled Quality Assurance and Document Control Program, critical path scheduling, OSHA Partnership, and Contractor Health & Safety Plan. Included coordination of all utility and agency interfaces, and commissioning support were also included.

Other aspects: Coordination of multiple sources of engineering and design documents and a fast paced construction schedule. Focus on maintaining high quality of work and safety record in a high profile environment. Heavy field coordination of multiple trades to maintain flow of work and changing site logistics. Coordination of multiple interfaces from other contracts, agencies, and utilities.

What we did
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Caithness Long Island LLC