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GREEN SQUARE COMPLEX RALEIGH NORTH CAROLINA 2012

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INTRODUCTION

The Green Square Complex is a LEED Certified Platinum sustainable development over a two-city block area that brings North Carolina's (NC) state environmental agency/offices and a nationally significant Nature Research Center (NRC) to the capital city in Raleigh, North Carolina. The Green Square Complex enables the NC Department of Environment and Natural Resources (DENR) and the N.C. Museum of Natural Sciences (NCMNS) to promote stewardship by example to the general public, while providing experiential learning opportunities focused on the current scientific research and environmental issues affecting our daily lives. North Carolina educators are able to take advantage of workshops, research and investigate labs and avail themselves of esources in the Nature Research Center.

Nature Research Center

Gross Square Footage: 110,000

Costruction Cost: $47 million

Underground Parking

400 spaces

Construction Cost: $10 million

DENR Office Building

Gross Square Footage: 150,000

Construction Cost: $37 million


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PRE – DESIGN PHASE

In October 2007, the pre-design planning process began with the implementation of the “Green Vision” for the Green Square Complex, as developed by DENR and the NCMNS and the O’Brien Atkins Design Team. The Green Square Complex was initially planned for one site adjacent to the existing Science Musuem and per the State Master Plan. Under a separate contract and design team, a 900 car parking garage was being designed on what is now the DENR Office site. Since the the two-city blocks were both owned by the State it was determined that the State would be best served if the parking garage moved to the NRC site and set-back from Jones Street in order to maintain Jones Street as a ceremonial street per the States Master Plan. One major reason for the program shift was that the DENR site was too narrow for a an efficient parking layout and would create traffic congestion at Jones Street during peak hours. This significant program shift was approved under the condition that the NRC site included (426) below grade parking spaces and cover any costs required for architecturally enahnced finishes required by the relocated parking garage to match-up with the NRC building design.


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The Green Square Complex includes the area on the south side of Jones Street from Salisbury Street to Dawson Street. The DENR office building is a 149,350 square foot 5-story building that will serve as he new headquarters for the agency. The DENR building is connected via a one-level enclosed pedestrian bridge over McDowell Street to an additional 26,000 square feet of DENR offices and incorporated as part of the NRC building. The NRC, including the DENR office space, comprises a total of 101,040 square feet. The NRC is connected to the existing museum via a two-level pedestrian bridge over Salisbury Street. Two levels of underground parking (426 spaces) are located under both the NRC and the DOA parking deck on the NRC site. The bridge connectors from the existing museum to the NRC function as a circulation path for visitors of the museum.


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The Green Square Complex is designed for a 75 to 100 year life span. The project has been well received by the users, visitors and the community. The overall project construction cost was 7% under budget.


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Views Looking South

The NRC was recently named the top attraction in North Carolina in front of the Biltmore Estate with over 1.2 million visitors the first year it opened in 2012-2013. Several high ranking State officals from the Govenors Office have stated that this project has raised the bar with regards to the State’s sustainable design standards for all future State owned buildings.


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NATURE RESEARCH CENTER & UNDERGROUND PARKING

Construction Cost: $68,760 million dollars US (including $11.3 milllion for the (426) underground parking spaces AND $4.6 million in Owner Requested Change orders).

Certified LEED Platinum

The NRC is designed to have a 33.8% energy and 41% energy cost savings when compared to ASHRAE


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90.1 baseline model.

NC DENR OFFICE HEADQUARTERS

Construction Cost: $29 million dollars (including $1.5 million dollars in Owner Added Scope of Work). The construction cost was 35% under budget.

Certified LEED PlatinumThe DENR office building is designed to have a 24.1 energy and 41.9% energy cost savings when compared to ASHRAE 90.1 baseline model.


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SITE DEVELOPMENT APPROACH

The two sites selected for the Green Square Complex, prior to development, were State owned and operated surface parking lots. The project sites had several mulit story structures that had outlived their intended use or moved to newer facilities and demolished under an early Demo package. Within these sites there were some environmentally contaminated sites that had been purchased by the State for future remediation. This contamination was a result of dry cleaner chemical spills and underground flue storage tank removal. As part of this project, a full soil/water contamination Remediation Plan was developed and executed. The environmental clean-up at these sites provided an opportunity to capture the Brownfield Re-Development points under LEED.


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SUSTAINABLE DESIGN CRITERIA

Daylighting was a driving force, early in the design process, due to its significant impact on energy savings and reduction of the projects carbon footprint by lowering its need for the production of electricity. The Owner was also encouraged by studies indicating an increased exposure to sunlight made workers more productive. The north/south orientation of the project sites provided ideal opportunities. In cases where direct sunlight was limited, innovative technologies were implemented. For example the north side of the NRC utilizes sun tracking devices (prismatic louvers) that reflect daylight deep into the upper level offices.


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Custom sun shading devices were designed along the entire southern elevation on all (5) levels in addition to light shelves on the interior that throw day light deep into the interior of the building


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The multi-level volume space at the DENR Office and the NRC atrium were designed to centralize the vertical circulation through the building and to bring in natural daylight deep into the surrounding spaces. The Atrium for the NRC is also connected directly to the (426) State employee assigned parking spaces. At the DENR Office building, the program spaces surrounding the volume space were typically shared conference rooms or public gathering spaces. The atrium is the primary circulation space for the NRC that runs north/south and connects the below grade parking to all levels of the NRC.


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The 4-story NRC atrium is enclosed in an all-glass, high performance curtain wall system with Low-E glazing with a photovoltaic solar powered shading system that tracks the sun to control sunlight levels and minimize the heat loads during the summer months.


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The DENR Office has a 5 ½ and a 2-story volume space is the primary circulation space for the NRC that runs north/south and connects with the 2-story volume space on the south side of the building.


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WATER EFFICIENCY CRITERIA

The site was designed with an emphasis on the conservation and protection of resources and the natural environment. The project exceeded its goal of reducing its potable water demand by more than 50 % of normal office and museum building through re-claiming, storm water retention for irrigation, high efficient low-flow water plumbing fixtures, and cooling tower make-up.


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GREEN ROOF DESIGN

The building roofs are designed as a "green roof" to reduce storm water runoff, reuse rainwater and reduce the heat island effect. The design collects rainwater in cisterns for reuse, such as the flushing of toilets. The landscaping is designed with the use of native plants and/or adaptive regional plants that both require minimal irrigation and attract wildlife

SiSite Plan indicating Permeable Pavement (Blue Area) and Green Roof (Green Area)


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Open-air Rain Leader (Flumes) were custom designed at the NRC to exhibit the collection of the rainwater from the green roofs down to the below grade cisterns.

The DENR Building Green Roof area is 15,600 square feet, 72,000 gallon capacity, and captures more than 1 million gallons of water per year.

The NRC green roof area is 15,300 square feet, 140,000 gallon capacity, and also captures over 1 million gallons of water. The flumes permitted a majority of the rain leaders running through the interior of the NRC to not be required


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A major design goal was to provide sustainable mechanisms for treating and re-claiming water to flush toilets, cooling tower make-up, and the use of surface run-off for irrigation of planting. In addition, the project was required to comply with Legislation GS 143-355 – Reduction in building system water consumption by 10%. These project criteria were accomplished through the design and construction of below grade cisterns, or receptacles, to re-claim more than two million gallons of rain water per year from both sites.

Storm water runoff, North Carolina's No. 1 cause of water pollution was addressed by collection of surface run-off through permeable pavement that collect water into below grade water tanks that are pumped to feed the plant irrigation system. No domestic water is used for any irrigation year round.


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LANDSCAPE ARCHITECTURE

Permeable Pavement

Both urban sites utilized permeable paving to decrease storm water run-off. The storm water management plan results in a no net increase in runoff (rate and quantity) from calculated pre-project conditions for a two year 24 hour peak discharge. The storm water design also treats 90% of the average annual rainfall using BMP’s and capable of removing at least 80% of total suspended solids from the average rainfall.

Permeable paving materials with a gravel underlayment are designed to allow storm water infiltration into the soils below and slowly drain into the storm water piping system. Some of the storm water is collected and provides all of the water needed for irrigation.


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Granite remnants leftover from counter top fabrication process were used for site paving at the NRC Café terrace and the DENR Office northwest plaza. Some of these pavers were cut in the shape of the State of North Carolina.


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Landscape Architecture

All plant irrigation is accomplished with collected rainwater. Drip irrigation is utilized to ensure the irrigated water is placed where it is fully utilized by the vegetation. In addition to green roof systems, green walls are also designed with planting material to reduce the heat island effect. LEED Certification points were earned for 50% reduced potable water consumption, irrigation is provided only from water efficient landscaping. There are more trees and planting than before the project started.


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RE-CLAIMED WATER SYSTEM

The re-claimed water systems are the first one implemented in a downtown building by the City. The non-potable water is pumped from the below grade cistern through ultraviolet light and membrane filters and dyed purple to signify that this water is non-potable. The system was designed to toggle between the available re-claimed water and potable water sources. It was also determined that a water meter for non-potable water use was required to adjust the water bill since it was based on the city sewer meter. The DENR office building is designed to achieve greater than 100% potable water reductions when compared to a similar building of its size and total water savings of 46%. Re-claimed rainwater collection is also used for the irrigation of vegetation if other sources are low. The cistern capacity is 72,000 gallons and captures 50,900 gallons per average monthly rainfall and uses 8,500 gallons for irrigation and 42,000 gallons for toilet flushing.


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Plumbing Building Systems

Domestic water is derived through steam –fired instantaneous water heaters, the steam is provided from a district steam plant. All showers, water closets and urinals are high efficiency, low flow type. Cooling coil condensate from air handling units is drained by gravity for water harvesting to a cistern. The reverse osmosis reject water from the labs is also re-claimed.

The NRC is designed to achieve reduced potable water consumption by 100% and reduced total water consumption by 67% when compared to a similar building of its size.

In addition, innovative wastewater technologies reduced potable water use for sewage conveyance by 100% from a calculated baseline design. This is accomplished by using the following green technologies:


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HVAC BUILDING SYSTEMS

DENR OFFICES • Heating, ventilating, and air conditioning in the occupied areas of the facility are provided by 3 variable air volume systems

consisting of custom high quality air-handling units. • Dedicated variable air volume outside air preconditioning units provides fresh air on demand via CO2 sensors. • Magnet bearing chillers and associated pumps utilizes a primary/secondary piping arrangement. Heat rejection is by

means of cooling towers. • Under floor perimeter heating uses finned tube convectors fed from the building hot water system. Above floor heating

uses heating only fan coils fed by the building hot water system. • Cooling only fan coils fed from the building chilled water system are used for server and electrical rooms as well as

cooling for electronics in the mechanical room. • Director’s offices, conference rooms, audio-visual support rooms, and other special rooms have variable air volume

diffuser control. Carbon dioxide sensors are used throughout the building to reduce the amount of outside air required when the building is unoccupied.

• A separate computer room air conditioning unit serves the Particulate Lab.


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UNDER FLOOR AIR DISTRIBUTION (UFAD) SYSTEM

The floor to floor heights are 14 feet to allow for an 18” high continuous raised floor on all (5) floor levels and 9’-6” -10’-0” finished ceiling heights. The raised floor was composed of 2x2 foot square solid concrete panels on steel stanchions. The raised floor system is designed for HVAC air distribution to each zone. Individual thermal control by each occupant in an open or closed office space is provided by manually adjustable floor diffusers. The raised floor was also designed for data cable management and facilitated future installations or renovations with minimal cost and disruption to the existing construction.


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HVAC BUILDING SYSTEMS - NRC

• Heating, ventilating, and air conditioning in the occupied areas of the facility are provided by 3 variable air volume systems consisting of custom high quality air-handling units.

• Dedicated variable air volume outside air preconditioning units provides fresh air on demand via CO2 sensors. • Magnet bearing chillers and associated pumps utilizes a primary/secondary piping arrangement. Heat rejection is by

means of cooling towers. • Under floor perimeter heating uses finned tube convectors fed from the

building hot water system. Above floor heating uses heating only fan coils fed by the building hot water system.

• Cooling only fan coils fed from the building chilled water system are used for server and electrical rooms as well as cooling for electronics in the mechanical room.

• Director’s offices, conference rooms, audio-visual support rooms, and other special rooms have variable air volume diffuser control. Carbon dioxide sensors are used throughout the building to reduce the amount of outside air required when the building is unoccupied.

• A separate computer room air conditioning unit serves the Particulate Lab.


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HIGH PERFORMANCE BUILDING SYSTEM TECHNOLOGIES

The cooling system at the NRC uses only 13% of the typical amount of energy to cool a similar building of its size and only 11% for the DENR Office Building due to the following:

• Based on Energy Model Calculations, the cooling system at the Nature Research Center uses only 13% of the typical amount of energy to cool a similar building of its size. The following technologies were implemented to achieve this goal:

• Green Roofs for over 51% of the roof area • Sun tracking Movable Photo-voltaic sun shading panels over the all-glass atrium roof. Photovoltaic panels (with sufficient

power for the fourth floor training rooms) • LED lighting for all interior and exterior uses (major contributor towards reduced heat loads) • Building Management System for mechanical equipment and lighting control


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HIGH PERFORMANCE BUILDING SYSTEM TECHNOLOGIES CONT’D

• Premium efficiency(VFD) motors on all pumps and fans • High efficiency chillers and cooling towers, chilled beams, economizers • Enhanced Building Energy Systems Commissioning including Measurement and Verification • Solar domestic hot-water collectors to service the café food service equipment loads • High performance building envelope glass (Solar-Ban 70)


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ELECTRICAL BUILDING SYSTEMS

DENR Offices: One (1) 2000kVA utility transformer provides the power to the building. The power is 480/277V, 3-phase, 4-wire, 60 Hz, solidly grounded system. It has a 4000A switchboard that feeds lighting and power distribution panels throughout the building. Each floor has multiple step-down transformers and 208/120V panel boards. Most of the building loads (120V) are fed from these panel boards. The building lighting is 277V Light Emitting Diode (LED) and Light Emitting Diode (LED) for exterior fixtures. All fixtures except emergency lights are on a lighting controller. The fixtures in the common areas such as corridors are on automatic shut-off after business hours; the fixtures in the offices and conference rooms are on occupancy sensors; and the exterior fixtures are controlled by a photocells and/or time clocks. Fixtures adjacent to the exterior windows are on light-sensor devices. These fixtures will be automatically dimmed when the room lighting with natural sunlight exceeds a preset foot-candle level.

NRC: The distribution characteristics are 480/277V, 3 phase, 4 wire, and grounded wye. The main switchboard is a 3,000ampere unit with a 3,000A, 100% rated main circuit breaker. The switchboard feeds 480/277V power out to branch distribution panels on each floor. Additionally, the branch distribution is segregated between the Museum side (east) and the DENR Office Building side (west). Dry-type transformers on each side of the building and on each floor provide 208/120V distribution. The facility is equipped with a 1040kw natural gas generator dedicated to optional standby loads and a 125kw natural gas generator dedicated to NEC 700 Life Safety loads.

The lighting distribution on the DENR Office Building side of the facility is of conventional design and controls. The lighting system for the Museum side of the facility is dedicated mostly of exhibits and includes multiple digital processors that facilitate individual control and dimming of exhibit fixtures with discrete addresses.


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OCCUPANCY SENSORS

The innovative use of daylighting has significantly decreased the need for artificial lighting. Occupancy sensors were designed for the HVAC systems in all multi-occupied spaces, i.e. conference rooms, copy, and break rooms. CO2 sensors were added to activate the addition of direct outside air to the conference rooms when in use by multiple occupants.


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LED LIGHTING FOR EXTERIOR AND INTERIOR SPACES

Upper Level Reception Lobby Typical Enclosed Office Workspace 2x2 LED Lighting by CREE


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INDOOR ENVIRONMENTAL QUALITY

The following design mechanisms were incorporated to achieve a higher indoor environmental quality:

• Fresh air intake volumes meet ASHRAE Standard 62.1-2004 for each zone

• Low emitting (non-toxic and low-VOC) products including carpet tiles, paints/coatings, adhesives, and sealants used throughout

• All the lighting fixtures in the building are mercury free. • Lighting controls are provided for 100% of the individual workstations • Glare is controlled through light shelves, exterior shading devices, and

operable blinds • Prismatic louvers track the sun, provide shade, and redirect daylight

into the upper level offices facing north • Indoor composite wood and agri-fiber materials used on the project

contain no added urea-formaldehyde • Low emitting (non-toxic and low-VOC) products including carpet tiles,

paints and coatings, adhesives and sealants are used throughout the buildings

• Achieved a minimum of daylight to 75% of regularly occupied spaces, through ample glazing, open floor plans, and glazing on interior partition walls. Glare is controlled through light shelves, exterior shading devices, and operable blinds.

• All office furniture for over 750 employees is Green Guard Certified.


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SALVAGED & SUSTAINABLE MATERIALS

• Recycled materials are used throughout the building and landscape. These materials include items that were salvaged from the existing site, pre-consumer recycled, and post-consumer recycled.

• Wood was harvested from magnolia and oak trees on the existing sites, milled off site, and reused in the building in form of decorative wall panels, lobby reception desks, cabinetry, and .door finishes

• FSC wood was used where ever possible.

• 89% of on-site project construction waste was diverted from landfill.

• Recycled content is approximately 20% for total building.23% regional materials used based on total construction value for the Green Square Complex.

• 100 year old cypress used from the river beds of Florida were used for the café flooring in the NRC.


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SALVAGED RECYCLED MATERIALS

The Green Square Project demolished several multi-story masonry buildings on the blighted two-city block site and diverted more than 90% of the demolished construction materials from landfills plus utilized salvaged materials such as stone and wood into the new construction of the facilities.


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ALTERNATIVE FORMS OF TRANSPORTATION

The project is designed to include alternative forms of transportation such as bicycle racks, onsite shower facilities, preferred parking for low-emitting and fuel-efficient vehicles. The State also worked with the City by adding electric car recharging stations for public use at the street level in front of both buildings. Re-Charging stations were also installed at the underground parking for State employee use.


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LEED PLATINUM HIGHLIGHTS

NRC.

• Recycled content is approximately 37% for total building. • Regional material use is 22%. Granite was from local quarry within 500 miles of the site and used for

the exterior skin, exterior and interior stairs, and lobby flooring. • FSC wood was used whenever possible • Diverted 94% of on-site generated construction waste from landfill

DENR OFFICE


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3-D MODELING ON REVIT

The use of three dimensional (3D) cad modeling and Building Information Management (BIM) were fully incorporated into the development of all design documents for this project. The based model was shared with the design team for coordination and development of 3-D images for detailed study. Early in the Construction Phase the Construction Manager developed a BIM Model to educate the subcontractors, identify trade conflicts with the building systems, and help the subcontractors produce their shop drawings and ultimately fabrication for various major custom construction products such as structural steel and HVAC duct work.


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CONSTRUCTION DOCUMENT DELIVERY APPROACH

Early Release Bid Package for DENR Office

In 2008 – 2009, the construction market had spiraled from double digit inflation into an economic recession. To overcome the high cost of structural steel costs we decided to create early steel bid package for the DENR Office to kick-start the Construction Phase. Once the DENR Office base building design package was awarded, the wining General Contractor also inherited the complete fabricated structural steel for the building. Almost one million dollars in material cost were saved utilizing this approach.


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Multiple Bid Packages for the NRC

In addition, for the NRC site, two early bid packages were issued: 1). Shoring/Excavation, and 2.) Caisson and Below-Grade Foundations for the NRC and DOA Parking Garage. Upon award, both bid packages were assigned to the Construction Manager without construction delays.

List of Bid Packages

• Demolition of two Brown-Field Sites, Concrete and Utility Infrastructure for the NRC & DOA Below-grade Parking, DENR HQ Office Building, NRC Final Finishes, DENR HQ Office Building Early Steel Package, NRC Structural Concrete.

• Specialty bid packages included subsurface utility exploration (SUE), remediation of contaminated soils, and the Furniture and Fixed Equipment (FF&E) packages for both the NRC and the DENR HQ Building.


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BRIDGE DESIGN

The project includes two pedestrian bridges and connects (3) city blocks of buildings. The enclosed pedestrian bridges are the first to be built across a major street in Raleigh NC. The technical design of the bridges was under the jurisdiction of the DOT for the State, and the air rights and aesthetic s were addressed by the City of Raleigh. The bridge connecting the NRC to the DENR offices is only for DENR and NRC staff. The vertical position of both bridges was designed to maintain unobstructed views for northbound traffic on McDowell Street and southbound traffic on Salisbury Street. The DENR pedestrian bridge incorporates photovoltaic cells on the roof mid-span and provides converted DC to AC electricity and fed back to the NRC. The DENR Bridge was designed as a single prefabricated steel frame superstructure and raised into position in one day.


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STRUCUTRAL DESIGN - DENR OFFICES

The structural design for DENR Office superstructure is conventional steel framing with moment connections and composite floor slabs. The steel frame design allows for long spans and a minimal number of columns to impact the open office layout on each floor level.

The main lobby on the north side of the building is open for 5 1/2-stories and designed to bring light into the north side of the building where most conference rooms are located. This space is not an atrium per the building code since it does not open directly on to three or more floor levels. This design approach eliminates the need for an expensive smoke control fan system.

The total height of the building was designed to not exceed the code height for a high rise building. This approach eliminated the need for costly construction such as pressurized vertical egress stairwells elevator shafts, and standpipe fire protection systems in the stairwells.


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STRUCTURAL DESIGN - NRC

The NRC’s primary structure is a wide module cast-in-place concrete joist system and includes two levels of below grade parking for 426 spaces. The fourth and fifth levels of the NRC are designed as conventional steel framing in order to reduce the overall weight of the structure, and reduce cost for program spaces where function would not be compromised. The housing of research laboratories with equipment that is sensitive to structural vibration was the driving force for the selection by the designers for a concrete structure.

The concrete mix includes fly ash a by-product of coal burning power plants. The concrete structure was designed to have an exposed finish with exception to the addition of a plaster coating for the round decorative columns in the public spaces.


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DAILY PLANET STRUCUTRAL DESIGN

The structural design for the Daily Planet is a steel frame composed from conventional framing members. The structure is a true sphere of 75 feet in diameter and open to three floors on the interior. The globes framing system is attached to the concrete structure and appears to be floating several feet off of the finish grade when viewed from the exterior. The structure is designed with (10) field welded (continuous) longitudinal curved wide flange steel beams, (4) wide flange steel girders at each floor level and (9) 6x6 HSS intermediate latitudinal steel tubes welded together with 6x6 HSS diagonal cross bracing.

Exterior Finish: The stainless steel rain screen panel system on the exterior is attached to a galvanized steel tube sub girt system which is in turn attached to the steel sphere framing system. The weather tightness of the sphere is achieved by attachment of exterior fiber glass sheathing covered in a “blue skin” waterproofing membrane. The exterior sheathing and interior dry wall are attached to a metal stud in-fill system. In addition to insulation placed inside the cavity of the metal stud in-fill, a fire rated, exterior spray-on foam was placed over the “blue skin” plus an additional weatherproof spray-on coating.


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DAILY PLANET THEATER DESIGN

At the focal point of the NRC is the iconic Daily Planet. Cutting through three floors, the Daily Planet envelops visitors in compelling multimedia presentations that are designed to help them see the world from new angles. A variety of programming modes are provided to engage the visitor with the Daily Planet and its environment, on all three floors of the museum. These modes are programmed to create an ever-changing landscape of information and imagery.

Visitors are able to

• Watch an orientation show • Hear scientist and researchers discuss their work • See periodic science news updates and breaking stories from media feeds • Watch a daily weather forecast • Connect to live satellite broadcasts via the on-site TV and radio station • Enjoy lighting effects during special events


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NRC FLOOR PLAN LAYOUT The organization of the museum is designed to help educate the public about the various levels or scales in which science research takes place. Recent advances in technology are allowing us to see beyond our senses and explore the universe within and without in many new ways. The museum main three floors (levels 1-3) are organized to make connections between size and scale, scientific research, and our daily lives. Throughout this journey, visitors are given opportunities to become involved in related research projects.

Roof Level: Green Roof, hot water solar panels, prismatic louvers, solar tubes, roof top AHUs.

Fourth Floor: Conference Rooms and Green Roof Terrance designed for star gazing events. The eastside of the building on levels 2-4 are offices assigned to State Agency and not open to the public.

Third Floor: Biggest to the Smallest: Show cases technologies that allow us to explore the phenomena lying well beyond our human senses such as the Ice Age Exhibit, Paleo/Geo, Astro-Physics, Genomics, and Genetics research labs and associated science. This level provides a view into the Daily Planet.

Second Floor: Earth Observed: Focuses on research into topics within the realm of human senses and issues we can experience within our lifetimes such as Bio-Diversity of Life, Weather Research, Immersion Theater, and Naturalist Center. This level provides a view into the Daily Planet.

First Floor: Our Planet, Ourselves: Introduces visitors to research projects that impact our daily lives and contribute to balance the needs of humans with the needs of the planet through Nano technology, engineering, deep sea exploration, 10,000 gallon salt water aquarium, and Citizen Science. This level is also the primary seating for the Daily Planet. On the eastside of the building is the museum store and full-service café. The café opens to an outside terrace and serves a local grown lunch and dinner menu


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MONUMENTAL STAIR

Within the atrium space for the NRC, a monumental stair was designed to promote the visitors use in lieu of the elevators.

The sky bridges on the second and third and fourth level floors connect the elevator lobby to the museum exhibits.

The all-glass guardrail systems at the monumental stairs and the bridges were designed to allow daylighting to travel deep into the interiors.

The lobby floors and monumental stairs have granite stone flooring that tie into the exterior stone paving.

The volume space within the atrium is utilized for exhibits such as the programmable 3-story LED ribbon.

The elevators used for the project are machine-room-less and energy efficient.


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EXHIBIT DESIGN

The NRC invites visitors into the world of scientific research and to have conversations with working scientist and become engaged in active research projects. It also invites visitors behind the scenes” to explore what scientific research is all about. Visitors become directly involved in exploring our world through science and hopefully inspire some young people to embark on science careers.

Photo Left: Concourse area in front of the naturalist Center

The existing museum wing communicates what we know and the NRC focuses on how we know it.

The focus of the NRC is on contemporary scientific research that affect’s people’s daily lives – from predicting hurricanes off the North Carolina coast to appreciating how genic research in animals can lead to treatment of human disease.

The NRC engages the public in scientific research that affects their daily lives.

Photo Right: View from the inside the Genomics Lab looking out to the concourse area.


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Investigate Lab – Visualization

The lab is designed to introduce the visitors to scientific visualization, computer modeling and GIS mapping. Scientific visualization is used to chart temperature and atmospheric CO2 as an effort to understand climate change or to understand phenomena that are too large to see on human scale. Scientific Visualization is also used to understand and predict phenomena that are too small to see.

Photo Right: Weather Research Station: A “storm central” desk with computers and imaging showing visitors how the data is used to study weather and generate forecasts, in the context of two weather scenarios: a hurricane blowing in and a drought unfolding.

Photo Left: A science kiosk in the open public exhibit area related to the Ice Age Giants and adjacent is the Paleo/Geo Research Lab that works on the fossils of these ice age giants.


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Naturalist Center

This is a drop-in area for guided, informal learning based on museum collections. The interactive tables allow the visitors to explore the depth of information contained in real museum specimens. The museum collections document variations in nature, establish evolutionary relationships, historical reference, vouches for the scientific work, visual reference for field guides, and used for basic and applied research. All spaces are LED lite with “smart track” lighting technology which allows each light fixture to have an IPS data address for programmability of desired color and illumination levels.


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Genetics + Microbiology Research Laboratories

All research laboratories are designed with full height safety glass walls fronting the visitor spaces. The walls dividing the offices from the laboratory and the walls between the adjacent laboratories are designed to have the maximum open glass for full viewing into the research areas. The lab benches are plug-in play modular units and centered in a large open space plan with equipment such as upright freezers or centrifuges and workstations lined along the perimeter walls. Researcher’s offices are located at the rear of the labs suites. The lab service utilities include ample data internet and computer connections, compressed air, vacuum, RO water, and emergency power backup.


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Paleontology + Geology Research Laboratory

This laboratory suit is located adjacent to an Instrumentation Lab which is shared by the Genomics Research lab. This lab was located close as possible to the service elevator in order to move the large fossils into and out of this lab. The lab/work benches are all movable in order to accommodate the varying size fossils. Overhead service utility carriers are strategically located with retractable cords for the various service utilities. Dust/vacuum snorkel systems with customized retractable elbows are suspended from the ceiling at various locations. The dust collector equipment is located in the below grade parking level. A motorized lifting crane is provided to facilitate movement of large fossils on to the workstations.


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Photos Left: Bio-Diversity Investigate This Lab/Classroom is a place where a visitor can try some macro-level biology, geology, and earth observation studies. The walls of the lab contain images of microorganisms taken at high magnification, and electron micrographs of bacteria and viruses. The lab is a flexible space.

Photos Right: Micro Investigate Lab

This Lab/Classroom introduces visitors to the tools and

techniques used to study life at the micro-level including single cells, DNA and proteins. It also

encourages visitors to try some of the tools and techniques for

themselves.

DENR OFFICE


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FLOORPLANS

Reduce reliance on non-renewable energy sources includes maximizing the use of natural light, optimizing passive solar properties, and harvesting rainwater for reuse. The long axis of the site runs east-west, making the building ideal for passive solar strategies. At the main entrance on the north side of the building is 6-level sky lit volume space designed to collect daylight for all spaces adjacent to this “wow” space. The south entrance of the building has a two-story volume space and used a multi-purpose space for various venues. A glass enclosed decorative stair that serves all 5 floors separates divides the lobby and encourages employees to use the stairs instead of the elevators.

Fifth Floor:

Fourth Floor: Bridge Access to the NRC.

Third Floor:

Second Floor:

First Floor: Main Entrance and Lobby.


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GREEN SQUARE COMPLEX DESIGN and CONSTRUCTION AWARDS

§ Sir Walter Raleigh Award 2012 in Sustainable Design category

§ 5th Annual Environmental Awards – 2012

§ City of Raleigh greater Triangle Stewardship

§ Golden Nugget Award of Merit – National Award: improve our community through exceptional concepts in design, planning , and building

§ Carolinas Association of General Contractors Pinnacle Award – Best Building Project : Nature Research Center, Construction Manager @ Risk Clancy & Theys Construction

§ 2014 National Medal for Museum and Library Services

HYPERLINKS

http://naturalsciences.org/nature-research-center

http://portal.ncdenr.org/web/greensquare/home

http://naturalsciences.org/nature-research-center

http://portal.ncdenr.org/web/greensquare/home


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GREEN SQUARE COMPLEX DESIGN TEAM

Designer of Record Jose C. Garcia, AIA – AIA, LEED AP B+C, Associate, O'Brien/Atkins Associates, PA (Role: Executive Architect and Architect of Record)

Design & Construction Team Jay Smith, ASLA- Project Landscape Architect, O’Brien/Atkins Associates, PA Edward Richert, PE – Project Mechanical Engineer, O’Brien/Atkins Associates, PA Andrew Cole, AIA – Project Architect, O’Brien/Atkins Associates, PA Jill Pafford - Owner, North Carolina Department of Environment and Natural Resources Bill Laxton - Owner, North Carolina Department of Environment and Natural Resources Drew Elliot - Director of Communications - Site Visit Contact, Department of Environment and Natural Resources Curtis Fentress, FAIA - Design Architects, Fentress Architects Andrew Newman, PE – Fire protection, Code Compliance, Howe Engineering Denis Simmons - Cost Estimator, Faithful & Gould Jim Steinmann – DENR Offices Space Programmer, Steinmann Facilities Keith Johnson – DENR HQ Office Bldg. Contractor – Brasfield & Gorrie Vice President Mark Jones – DENR HQ Office Bldg. - Brasfield & Gorrie Raleigh Office Manager Chip Williams – DENR HQ Office Bldg. – Brasfield & Gorrie General Contractor Tick Clancy - Vice President, Clancy & Theys Construction Robert Esposito - Tick Clancy – Sr. Project Manager, Clancy & Theys Construction Renee Azerbegi - LEED Consultant, Ambient Energy Clayton Bartczak- LEED Consultant, Ambient Energy Robert Miller - Environmental Engineers, AMEC (formerly MACTEC Engineering and Consulting, Inc.) David Weiner – NRC Exhibit Lighting, David Weiner Design John Barja – NRC Food Service Design, Foodesign Associates Chris Berg, PE - Structural Engineering, GKC Associates

mailto:[email protected]



mailto:mailtoa:[email protected]








mailto:kjohnson@@brasfieldgorrie.com












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Stephen Lew, PE - Structural Engineering – NRC Daily Planet, Weidlinger Associates, Inc. Dean Penny - Transportation Engineering, Kimley-Horn Associates, Inc. – NRC below grade parking Jorge Gomez, PE - Voice and Data Systems, J&A Engineering, LLC. Andrew Merriell – NRC Exhibit Designers, Andrew Merriell & Associates Linda Batwin – NRC Exhibit Designers, Batwin + Robin Productions Carol Bossert – NRC Exhibit Designers, CB Services Eileen Campbell – NRC Exhibit Designers, Farallon Media Dawn Manges – NRC Exhibit Designers, Manges Design David Small – NRC Exhibit Designers, Small Design Yiannis Cabolis – NRC Exhibit Designers, Electrosonic Andrea White – NRC Associate, Millennium 3 Design Group Michael Allen - Civil Engineer, Mulkey, Inc. Jen Burianek, LEED-AP BD+C - LEED Consultant, Ambient Energy Daniel Bryant, PE - Commissioning Agent, Eaton Engineers Stephanie Hachem’, PE -Transportation Engineering, Kimley-Horn – below grade parking James Czar, PE - Structural Engineer, GKC Associates Matthew Ryan, PE - Geotechnical Engineer, Tai and Associates Photography Credits Jason Knowles - Jason Knowles, Fentress Architects Hedrich Blessing - Hedrick Blessing, Pro Shots Jerry Blow - Jerry Blow Photography



















mailto:hedrichblessing.com


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