The U.S. Department of Agriculture awarded our firm the Building 5 Incinerator Replacement Project to provide incinerator reconstruction, repairs and restoration to furnish properly operating, reliable equipment and systems for the incineration of animal carcass and waste at the National Animal Disease Center. The project addressed incinerator materials, components and systems, including but not limited to, loading chute doors; hydraulic system of loading chute doors; charging system, ash removal system; refractory, door gaskets; combustion blower(s); blower control system; burners; dampers; and damper and incinerator control system replacement/upgrade; together with structural/architectural finishes; high voltage and electrical power wiring/lighting were also included in the contract.

Work of this project consisted general construction of overhead medium voltage electrical distribution system, including demolition of existing overhead distribution system which were serving Buildings A1 through A9. Demolition included removal of rigid galvanized steel conduit penetrating buildings roofs. Install of new underground system emanating from existing switchgear located near Buildings A2 and A3. The new system included new pad-mounted transformers, pad-mounted sectionalizing cabinets, pad-mounted switch, underground medium-voltage cable, secondary (600-volt) cable between transformers and secondary panels located on outside wall of each building, and repair of roofs of each building where existing conduit and weather head had been removed.

The Pumping Station HVAC Improvements consisted of a modernization plan, developed to consolidate the sites, replace existing research facilities, and convert a portion of the existing laboratory space into new administrative facilities. The implementation of the modernization plan was programmed to occur in multiple phases. Major tasks included construction of a pumping station for the underground chilled water piping and apparatus to service building #1 and #2 of the research complex. Removal and installation of new insulation on all piping to supply chilled water to buildings #3 and #4 within the complex. This element of work also included environmental aspects of asbestos abatement throughout the work area. Also, replacement of cooling coils and reheat coils in buildings #3 and #4 together with all associated piping, controls, and valves.

Project consisted of decommissioning of Building 400. Furnish and install Variable Frequency Drives on existing air handling unit fans to be tied into the building’s existing DDC System; Furnish and install 7 BTU meters tied to the building’s existing DDC System to monitor steam usage; Furnish and install 14 Electric Meters to be tied into the building’s existing DDC System; Rewiring of power in the BMPS area for standby power to be tied to the on-site emergency generator; Furnish and install new repository compressors to include the evaporators and the replacement of the outside louvers and controller for the outside dampers; Remove owner’s defective 400A automatic transfer switch and install new owner provided 400A ATS.

The U.S. Department of Agriculture – Animal and Plant Health Inspection Service, provided a scope of work consisting of general construction, excavation and surface restoration, mechanical piping work, control work and electrical work including renovation and demolition work necessary to install 10” pre insulated chilled water piping to replace 3 electric air-cooled packaged chillers. Tasks included: demolition of existing conditions, facility services, testing, adjusting and balancing for HVAC, instrumentation and control devices for HVAC, direct digital controls for HVAC, excavation and fill, pre insulated steel process piping, and process piping insulation.

Work comprised of demolition of existing 13.8 kV electrical service from the City of Ames to Building 21, and installation of a new dual 13.2 kV feeder from the NCAH north campus electrical system originating at Building 153. Furnish and installation of all necessary manholes, all necessary line connections at the existing exterior 15kV switchgear line compartment to Building 21’s double ended substation, demolish the existing 13.8 kV electrical service from the City of Ames to Building 21 opening all necessary conduits in manholes. Furnish and install the second feeder from Building 153 via the exterior 15kV switchgear to Building 21 double ended substation in the path of removed City of Ames Feeder, all necessary conduit, wiring and interfaces to connect the site power monitoring & control system (PMCS) communications connections from the existing digital power metering at the double-ended substation in the Building 21 penthouse to the existing switch located in the communication room on the ground floor of Building 21. Furnish and install the programming, integration and control functions for the Eaton PMCS. Programing shall include the development of a Building 21 graphics screen for monitoring and control at the main site PMCS in Building 153. Remove the automatic transfer switch (ATS#1) and furnish and install the necessary conduit to route the 1600 A service from the ATS in a new raceway system for a direct connection point for service to Panel OSD4-P1 from unit substation USS1.

This General Services Administration provided us with a scope of work for this project which entailed complete installation of new seal coating in the parking lot and loading dock at 610 S. Canal St. and 701 S. Clinton St. Work included selective demolition, surface cleaning and preparation including all necessary crack fill & minor repairs, installation of new seal coat surface of the existing pavement area with all associated accessories required for a complete system. All work was completed during non-business hours over the weekend.

The U.S. General Services Administration provided a scope of work consisting of new construction improvements consisting of office remodeling of approximately 10,030 square feet on part of the 32nd floor of the John C. Kluczynski Federal Building and 90 square feet within an IT Closet in the building core on the 32nd floor. It includes demolition throughout the space. New work includes installation of gypsum drywall partitions, custom millwork cabinetry, new doors, frames and hardware, suspended ceiling, tile, carpeting, base and painting. Electrical work includes new power outlets, lighting fixtures and controls, fire alarm modifications, conduit infrastructure for telephone and data. Mechanical work includes sprinkler modifications, plumbing modifications for a new pantry, and modifications to the existing ventilation system. New construction improvements consisting of corridor remodeling to create a new partial north-south corridor on the 32nd floor of the Kluczynski Federal Building. It includes demolition throughout the space. New work includes installation of gypsum drywall partitions, suspended ceiling, carpeting, base and painting. Electrical work includes new power outlets, lighting fixtures and controls and fire alarm modifications. Mechanical work includes sprinkler modifications and modifications to the existing ventilation system.

The U.S. General Services Administration provided a scope of work consisting of interior office build-out of two separate areas on the 7th floor of 536 South Clark Street. The total area is approximately 12,665 square feet. Build-out includes kitchenette, conference rooms, storage room, and business center in addition to open and enclosed offices. The following major tasks were included under this project: Selective demolition of existing lighting, Conduit, Security system components and ductwork, Limited partition demolition including doors & frames, Floor tile removal and floor repair and preparation, Alterations to existing HVAC, sprinkler system and fire alarm systems, Installation of all new lighting and power, Installation of all new gypsum drywall partitions, Suspended acoustical ceilings, Doors and hardware, Lighting, Carpeting, Vinyl tile flooring, Casework and Painting.

The scope for this contract was to perform facade observations at the buildings located at 202 S. State St. and 220 S. State St.  The project also included the performance of repairs to sections of the façade at 202 S. State St. and 220 S. State St. to address imminently hazardous conditions identified in the field by the A/E (Johnson Lasky Kindelin Architects/Thornton Tomasetti, Inc.).  Both 202 and 220 S. State Street were inspected via 22 drops for obtaining repair synopsis.  The project was worked in unison with Engineer, Thornton Tomasetti, Inc., who developed repair drawings based on our observations. Tedious repairs were made to existing terra cotta and structural elements.  Charpie provided: CQC Field Representation, Lead crew member scaffolding assembly, Ground crew for coordination, Safety Maintenance, and Scheduling of work (each drop).