Armed Forces Reserve Center

aForces1Armed Forces Reserve Center
Whitehall, Ohio

MECHANICAL
ELECTRICAL
CIVIL
TELECOM


The Whitehall Armed Forces Reserve Center is a new building of approximately 150,272 square feet. The building program includes offices, training facilities, readiness rooms, unit storage facilities, an assembly hall and a kitchen. The project also includes recruiting offices, medical examination rooms and a weapons simulator room. Approximately 900 people will work and train in this facility. Additionally the project consists of a 5,067 square foot Vehicle Maintenance Shop, and an additional 6,549 square foot Storage Building. Scheeser Buckley Mayfield was responsible for the MEPT and Civil design for the facility. The project delivery method was design build with the A/E team participating in the project solicitation response as well as the design documentation. The project was designed to comply with federal energy conservation measures roughly equivalent to a LEED Silver energy performance. The building envelope was modeled by Scheeser Buckley Mayfield to assist in accomplishing compliance with ASHRAE 90.1-2004

Service for the three building complex was obtained from a new service drop designed to connect to the Bases’ 13.2 KV overhead distribution system. The new service drop feeds a 2500 KVA, 13.2KV to 480/277V, 3 phase, and liquid-filled, outdoor padmount transformer. This transformer supplies the Training Building’s 3000A, 480/277V Main Switchboard. Separate metered feeds were run from the Main Switchboard for electric service to Vehicle Maintenance Shop and Storage Building. The Training Building’s electrical distribution system was designed so that mechanical system equipment is on separate electrical feeds segregating it from the electrical system serving office areas. 208/120V power for the office areas are served by K13 rated step down transformers. The 208/120V distribution systems serving the office areas were designed with a 200% neutral throughout. Building lighting generally consisted of the 2’x 4’ recessed fluorescent fixtures in areas with ceilings and 1’x 4’ surface industrial fluorescent fixtures in utility areas with no ceilings. Offices and open office areas were generally lit with recessed direct/indirect lighting fixtures. Restrooms and general use spaces were lit with recessed fixtures having acrylic prismatic lenses. Lighting utilized T8 lamps, and electronic ballasts having less than 10% THD. The lighting in open office areas is controlled via a programmable lighting control system. Corridor lighting and lighting in offices having more than one occupant is controlled via ceiling mounted occupancy sensors. Lighting for individual offices is controlled via a wall mounted occupancy sensor. The design included the installation of power and telecommunication feeds for large amounts of modular office furniture. A combination analog addressable fire alarm and mass notification was designed for the Training Building and the Vehicle Maintenance Shop. A tie in with the Base’s fire alarm and mass notification was also included. The design provided a building card access/security system which ties in and interfaces with the Bases’ existing security system as well as a Cable TV distribution system. The project included the design of the telecommunication system for the three buildings. The designed covered the design of telecommunications rooms, a new telecommunications main distribution frame, wiring, and jacks.

The project included secured car and truck parking / service lots that utilized extra strength 12” high concrete curbs, reinforced concrete curbing and sidewalks, concrete filled bollards, high security barrier arm gates, and chain link security fencing to protect the buildings from vehicular assaults. The design also included standard and heavy duty asphalt pavement and concrete pavement sections. Pavement and curbing underdrain systems were utilized in conjunction with the design of the site closed storm system and stormwater management facility to extend the expected life of the pavement sections. Additional pavement design work included striping, handicap ramps, handicap signage, and concrete dumpster pad with masonry enclosure and access gate.

 

City of Green - Administrative Building

cog1City of Green
Administrative Building
Green, Ohio


The HVAC system for the building includes the use of energy efficient water source heat pumps to provide zone control. A fluid cooler and two condensing boilers, each sized at 75% of building load for redundancy, provide the necessary heating and cooling of the loop serving the heat pumps through a series piping arrangement. A make up air unit located in the basement is ducted throughout the building to the water source heat pumps to provide the minimum outside air requirements for each zone. The heating/cooling coil in the air handling unit is served by two water to water heat pumps and circulating pumps located in the mechanical room. Supply air ductwork from the heat pumps is extended throughout each zone to provide the heating and cooling of the spaced with a return air plenum above the ceiling for recirculating the air in the space. The pumping system serving the water source heat pumps and the water to water heat pumps consists of two pumps rated at 75% of the building load providing redundancy in the system. To prevent freezing of the system during the winter months, the heat pump fluid contains 40% propylene glycol.

The Plumbing systems for the building includes two gas fired domestic water heaters to provide domestic hot water to the building via an electronic mixing valve installed in the mechanical room. Hands-free sensor operated faucets and flush valves are installed on all water closets, lavatories and urinals. An elevator sump pump and duplex footer drain sump pumps were installed in the basement.

The building is designed to be fully sprinkled. A double check backflow preventer is installed at the water entrance of the building to serve the sprinklers.

The electrical system consists of a 1200A, 208/120V, 3-phase, 4-wire system fed underground from an existing sectionalizer switch. The entire building is on emergency power supplied by a 500KW generator. The main switchboard feeds three (3) automatic transfer switches with bypass isolation. One 800A ATS will transfer all the mechanical loads for the building, fed from an 800A MDP. The second transfer switch is 400A and transfers all the lighting and receptacle loads, fed from a 400A MDP. A 25HP elevator is also fed from this MDP. The third transfer switch, a 100A switch, transfers all the life safety lighting. Life safety lighting includes unswitched stairway lighting, corridor lighting and exit signs.

The lighting design consists of energy efficient volumetric direct/indirect lighting in offices along with direct/indirect suspended fixtures and dimmable downlights in conference rooms. Volumetric lighting and suspended direct/indirect fixtures contain energy efficient T5-HO lamps. The main lobby contains downlights used for wall wash applications and decorative bowl fixtures. The council chamber area contains dimmable downlights and decorative bowls. The entire building is controlled by a lighting control system which will automatically turn lights on/off as programmed as requested by owner. Low voltage digital switches are used in rooms and can be programmed to operate lighting in the rooms as requested by owner.

A complete fire alarm system was designed for the building. Rough-in for telecom and a security system was provided.

 

Hampshire County Judicial Center

hampshire1Hampshire County Judicial Center

MECHANICAL
ELECTRICAL


SBM provided Mechanical and Electrical design services for this new Judicial Center located in Hampshire County. The work shall include the design of HVAC, plumbing, fire protection and electrical systems for the new facility. All mechanical equipment to be located inside the structure with the exception of the air cooled chiller which will be located outside in an enclosure. The HVAC system shall provide multiple zoning through the use of VAV reheat air terminals. All supply air, return air and exhaust air systems shall have sound attenuators. The building shall have a wet pipe sprinkler system for the entire building. Domestic water, sanitary drainage, sanitary vent, and storm drainage systems shall be designed for the new building. SBM shall design a new electrical power service and distribution system for the new building. The building shall have a security system and structured wiring system.

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