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Tenant’s HVAC system shall be in accordance with Owner’s Criteria and the installation shall conform to the requirements of the latest adopted editions

of the Building Codes, SMACNA, NFPA, OSHA safety standards, local ordinances and all local authorities having jurisdiction. The most stringent requirements of the above mentioned applicable codes shall govern each increment of the work.

The Tenant’s Engineer shall familiarize himself with the Mall’s system and all regulations pertaining to that system. The design of such a system, including the location of all equipment, is subject to Owner’s approval prior to installation. Such approval does not warrant

performance of Tenant’s distribution system, nor does it warrant the correctness of Tenant’s engineering. Tenant’s mechanical installation shall be complete per all governing codes. Certain large Tenants may provide their own packaged HVAC units where approved by owner. The Owner has provided a cooling only, variable air volume (VAV) air conditioning system for use by Tenant’s. This system includes packaged roof mounted units with supply and return air duct works routed throughout tenant spaces, providing 55ºF cooling air supply all year. The Owner’s roof top units have been sized to provide 1.0 CFM per square foot of Tenant lease area. This system will also provide smoke exhaust as described in Design Criteria. Tenant equipment must be installed as indicated in the following list of requirements:

• Submit cooling load calculation summary including primary and secondary air quantities (CFM), total load in BTU with breakdown (people, lights, ect.) conditioned volume in cubic feet and number of air changes achieved. Loads shall be based on an outside temperature of 98ºF with a maximum of 78ºF inside the space.

• Tenant’s Contractor shall tap necessary openings into supply and return duct work mains. Reuse of or modification to existing tap is preferred. Install motorized smoke control dampers in return connection to Owner’s return duct and extend duct work as required. Patch and seal all previous openings that are not utilized.

• Where heat is required, Tenant shall provide electric resistance heating equipment, sized for a minimum of 125% of calculated load to allow rapid recovery from night setback temperature conditions. Submit heating load calculations without internal heat gains, but including floor and wall losses, etc.: 10% of maximum primary supply air quantity at 55ºF; and floor losses in select areas. Install air flow safety switch in heater control circuit. Heating system shall be able to operate independently of primary VAV system. With an outside temperature of 0ºF, Tenant’s heating system shall be adequate to maintain a temperature of 70ºF in all leased areas, including sales, storage, stock, service and office areas.

• All natural gas piping will be Scheduled 40 black steel with malleable iron fittings. Gas service is available in the Service Dock Area. It is the Tenant’s responsibility to

arrange with the owner and gas company to obtain service.

• Tenant’s HVAC system shall be engineered employing a solid return air duct system complying with all governing codes and other regulations of state and local authorities. • Tenant spaces with an existing HVAC system will be turned over to the Tenant

in an “as-is” condition. It is the Tenant’s responsibility to verify the adequacy of the existing HVAC system for his space and to pay for any changes required to provide a properly operating HVAC system.

• All or portions of the previous HVAC system (ducts, HVAC units, etc.) may be reused if restored to a “like-new” condition and approved by Owner and Fire Marshal

• Food Tenant’s HVAC design shall comply with mechanical code ventilation requirements for kitchen facilities and NFPA96.

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• No fans, HVAC units, vents, louvers, grilles, ducts, other devices or equipment will be installed on the roof, outside Tenant’s premises, in any demising partitions, exterior walls or upper level floor without Owner’s approval. Tenants shall provide plans and specifications, structural reinforcing details, roof curb details and structural opening details. Engineering drawings shall be stamped by a licensed structural engineer in the State of Missouri and may be reviewed by Landlord’s structural engineer.

• All Tenant required openings, roof curbs, structural reinforcing, roof membranes repairs and installation and enclosures for duct shafts shall be installed by Tenant’s contractor at Tenant’s expense.

• All required roofing work and/or repairs shall be performed by the Owner’s approved roofing contractor at the Tenant’s expense.

• Tenant will provide complete electrical power wiring to HVAC equipment from Tenant’s electrical panel within the premises.

• Tenant shall include all costs for the Owner’s approved roofing contractor to provide walk pads from all roof mounted equipment to the nearest Owner walk pads. Provide double width pads at service of equipment.

• Tenant shall install a roof protection system around all roof mounted kitchen exhaust fans. The roof system must be as manufactured by “Coastal Roof Protection Systems” or “Grease Guard” and as indicated on the technical exhibit.

• All toilet room exhaust fans must be electric motor drive, provided with back draft damper and interlocked with light switch. Exhaust ducts shall terminate at the roof or shall connect to existing exhaust ducts where available.

• No exhaust or vent will be located within fifteen (15') feet from any rooftop air intake. • Condensate lines for refrigeration and/or air conditioning must terminate at the nearest

floor drain.

• Tenant’s mechanical engineer to verify existing Mall equipment and its location with Owner. In Tenant spaces where Mall equipment is located, Tenant’s drawings shall show this equipment for reference and coordination.

• Any odor-producing operation must provide an adequate exhaust and ventilation system at Tenant’s expense. This requirement is to prevent migration of odor into the mall. The Tenant’s system shall provide a 10% negative pressure migration of odor into the common areas.

• The Tenant shall utilize existing exhaust and make-up air ducts terminating at the demised area. Revise existing rooftop equipment and duct work within the demised area.

• Tenant’s HVAC system shall be designed with sufficient capacity to compensate the needs from individual display lighting.

• Provide a certified testing and balancing report prepared by a Independent Testing and Balancing Contractor for Owner’s approval prior to occupancy. Provide three (3) copies of Certified Testing and Balancing Report. Provide one (1) additional copy for Owner’s records.

• Food Court Tenants (located in the basement) shall install grease exhaust hoods protected by an automatic fire suppression system – per NFPA 96.

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Heating and cooling criteria:

• Winter outdoor temperature - 0ºF dry bulb • Winter indoor Temperature - 70ºF dry bulb • Summer outdoor temperature - 98ºF dry bulb • Summer indoor Temperature - 78ºF dry bulb

• All distribution duct work is to be designed and installed per SMACNA low velocity standards and details, including insulated supply air distribution to all supply. • diffusers. Distribution duct work must be of rigid sheet metal construction only.

Insulated flexible duct may be used only for connection between air register/diffuser and rigid sheet metal duct. Flexible duct shall not exceed 5’ in length for each register/diffusers. All work shall be in accordance with the Local codes. • Balancing dampers are required at each supply register or duct tap.

• Return air grilles in Tenant’s ceiling, are to be sized for a maximum face of 500 E.P.M. • Supply and return air grilles shall be of louver faced design. No perforated or eggerate

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