Ocean City Convention Center 750 kW Generator Replacement

Key Accomplishments

Concrete Services Division

• Concrete Services Division, LLC performed concrete construction work for the Ocean City Convention Center 750kW Generator Replacement project in Ocean City, Maryland.
• The project included replacement of the existing 750kW generator at the Ocean City Convention Center and installation of a new Caterpillar diesel standby generator set, automatic transfer switches, triple switch, generator foundation, triple switch concrete pad, and access platform pads.
• CSD performed its work under subcontract to Johnston Construction Company for the concrete work associated with the Ocean City Convention Center generator replacement project.
• CSD’s scope included mobilization and demobilization of concrete equipment, rental of form material, purchase of form lumber, installation and stripping of forms, concrete placement labor, concrete finishing labor and supplies, concrete curing labor and supplies, concrete accessories, winter protection labor, dowels, and coordination of concrete, testing, pumping, and equipment provided by JCC.
• Major concrete work included concrete, footing forming, slab-on-grade forming, straight wall forming, footing placement, slab-on-grade placement, wall placement, float and screed work, point and patch work, floor hardener, curing, and dowels.
• The work supported installation of a new 750kW Caterpillar diesel standby generator, new 400 Amp ATS-1, new 600 Amp ATS-2, and new 1200 Amp triple switch for the Ocean City Convention Center.
• The work required coordination with Johnston Construction Company, the Town of Ocean City, Whitman, Requardt & Associates, concrete suppliers, testing agencies, concrete pumping services, equipment providers, generator equipment suppliers, electrical personnel, and project stakeholders.
• The project required compliance with submittal requirements, quality control requirements, special inspection requirements, materials and equipment requirements, cleanup requirements, warranties and bonds requirements, earthwork requirements, pavement requirements, concrete reinforcing requirements, cast-in-place concrete requirements, JCC schedule, safety requirements, testing coordination requirements, and closeout requirements.
• Concrete Services Division, LLC performed concrete construction work for the Ocean City Convention Center 750kW Generator Replacement project in Ocean City, Maryland. The work supported Johnston Construction Company’s replacement of the existing generator and installation of new standby power equipment for the Ocean City Convention Center.
• CSD performed the work under subcontract to Johnston Construction Company. The CSD subcontract, No. 202418SC03, was dated effective November 26, 2025, and identified Concrete Services Division, LLC as the subcontractor and Johnston Construction Company as the contractor. The delivery location was 41st Street Ocean City Convention Center 750kW Generator, 4001 Coastal Highway, Ocean City, Maryland.
• The overall project involved replacement of the existing 750kW generator at the Ocean City Convention Center. JCC’s generator replacement scope included furnishing and installing a new Caterpillar diesel standby generator set, Model C18 rated 750kW, 277/480 Volt, 3 Phase, along with a new 400 Amp ATS-1, 600 Amp ATS-2, and a new stainless steel triple switch.
• CSD’s work focused on the concrete construction required to support the new generator and associated electrical equipment. The concrete scope included forming, placing, finishing, curing, floor hardener, dowels, and related concrete work for the generator foundation, triple switch pad, and access platform pads.
• The concrete scope included mobilizing and demobilizing concrete equipment, tools, and supplies to and from the jobsite; rental of form material; purchase of form lumber; installation and stripping of forms; concrete placement labor; concrete finishing labor; concrete finishing supplies; concrete curing labor; concrete curing supplies; and concrete accessory material and labor for items such as PMJ, waterstop, caulk, and related accessories.
• CSD’s work also included winter protection labor, re-steel dowel labor, re-steel placing labor on a time-and-material basis if performed, unloading rebar labor on a time-and-material basis if performed, setting anchor bolts and sleeves on a time-and-material basis if performed, and coordination of concrete purchased by JCC, testing lab services paid for by JCC, concrete pumping services paid for by JCC, and JCC or outside equipment rentals paid for by JCC.

B & R Electrical Contractors

• BRE performed its work under contract with Johnston Construction Company for the electrical work associated with the Ocean City Convention Center generator replacement project.
• BRE’s scope included furnishing labor, materials, equipment, and supervision for demolition of the existing 750kW generator and installation of a new Caterpillar diesel standby generator set, new 1200A ESL triple switch, new 400A automatic transfer switch, and new 600A automatic transfer switch.
• Electrical work included conduit, wire, connections, demolition of existing conduit and wire, junction boxes for the triple switch and new overhead routing, and electrical ductbank between the generator and triple switch.
• BRE’s scope included PVC Schedule 40 underground conduit between the triple switch and generator, aluminum conduit between the triple switch and emergency switchboard SBEG1, THHN copper conductors, four 3-inch conduits with 350MCM conductors between the generator and triple switch, and four 3-inch conduits with 350MCM conductors between the triple switch and emergency switchboard.
• The work required coordination with Johnston Construction Company, the Town of Ocean City, Whitman, Requardt & Associates, Carter CAT, generator equipment suppliers, electrical inspectors, concrete crews, utility coordination personnel, and project stakeholders.
• The project required compliance with the subcontract documents, Ocean City Purchase Order No. 270861 terms and conditions, project safety requirements, submittal requirements, electrical installation requirements, startup requirements, Davis Bacon requirements, Buy American requirements, Maryland Buy American Steel Act requirements, EPA DBE requirements, and closeout requirements.
• B & R Electrical Contractors performed electrical construction work for the Ocean City Convention Center 750kW Generator Replacement project in Ocean City, Maryland. The work supported Johnston Construction Company’s replacement of the existing standby generator and related electrical equipment for the Ocean City Convention Center.
• BRE performed the work under contract with Johnston Construction Company. The BRE subcontract, No. 202418SC01, was dated effective September 5, 2024, and identified B & R Electrical Contractors as the subcontractor and Johnston Construction Company as the contractor. The delivery location was OC Con Cntr 750kW, 4001 Coastal Highway, Ocean City, Maryland.
• BRE’s work focused on the electrical construction required to support the generator replacement. The scope included conduit, wire, connections, demolition of existing conduit and wire to install new work, junction boxes for the triple switch and new overhead conduit routing, and electrical ductbank between the generator and triple switch.
• BRE’s installation included PVC Schedule 40 underground conduit between the triple switch and generator. The work also included aluminum conduit between the triple switch and emergency switchboard SBEG1, THHN copper conductors, and junction boxes at the triple switch and above the door inside the electrical room.
• BRE’s conductor and conduit scope included four 3-inch conduits with four 350MCM conductors between the generator and the triple switch, as well as four 3-inch conduits with four 350MCM conductors between the triple switch and the emergency switchboard.
• The project included installation coordination for the new 1200A ESL triple switch. The triple switch was to be mounted along the opposite wall of the electrical doors, outside near the driveway and new generator. The work required coordination of conduit routing, generator connection, temporary generator needs, and final electrical connections.