pipes, light fixtures, or other infrastructure OPERATION AND MAINTENANCE for installation of the practice. An operation and maintenance plan shall Automatic temperature and/or moisture be developed that is consistent with the sensors and controls can improve the purposes of this practice, its intended life efficiency of moveable greenhouse and safety requirements. The plan shall screens. include recommended guidelines for maintaining the system. Periodic Where relative humidity within the maintenance items include agricultural building is maintained above 85%, refer to ASAE EP475 or other for leaks in the building envelope, appropriate guidelines. especially along edges of energy screen seals Tinted windows may be used in some cases to control building temperature. Regularly inspect insulation to ensure Tinting has no effect on the U-factor of a it evenly covers building envelope window, but it reduces solar gain. This spaces and repair damaged material may be a benefit in the summer and a and components as necessary. liability in the winter, depending on local Periodically check for tears and repair climate conditions. or replace torn vapor barrier or energy screen material. PLANS AND SPECIFICATIONS Identify critical control devices Specifications for application of this associated with the building envelope practice shall be prepared for each site or system. Inspect regularly and perform planning unit according to the criteria. . maintenance as necessary. As a minimum, the plans and Maintain records to document the specifications shall provide the following: implementation of energy improvements. Plan drawing and description of the Retain and update records for a minimum existing building envelope, and the of three years from the installation of the modified or retrofitted building building envelope improvement. envelope and related components or Recommended records to be retained devices, if applicable. include: Description and characteristics of Utility bills, fuel purchases, and yield of materials to be applied to the building agricultural commodities produced in envelope. the building. Details of ventilation and sealing Documentation of maintenance provisions associated with the practice. conducted on the building envelope improvement and related components Requirements for disposal of replaced or devices. materials, if applicable. Documentation requirements to REFERENCES determine energy savings associated American Society of Heating, Refrigeration with practice installation based on and Air Conditioning Engineers. 2010. current heating/cooling requirements of ASHRAE Handbook Fundamentals. – the agricultural building.
pipes, light fixtures, or other infrastructure for installation of the practice. Automatic temperature and/or moisture sensors and controls can improve the efficiency of moveable greenhouse screens. Where relative humidity within the agricultural building is maintained above 85%, refer to ASAE EP475 or other appropriate guidelines. Tinted windows may be used in some cases to control building temperature. Tinting has no effect on the U-factor of a window, but it reduces solar gain. This may be a benefit in the summer and a liability in the winter, depending on local climate conditions. PLANS AND SPECIFICATIONS Specifications for application of this practice shall be prepared for each site or planning unit according to the criteria. . As a minimum, the plans and specifications shall provide the following: Plan drawing and description of the existing building envelope, and the modified or retrofitted building envelope and related components or devices, if applicable. Description and characteristics of materials to be applied to the building envelope. Details of ventilation and sealing provisions associated with the practice. Requirements for disposal of replaced materials, if applicable. Documentation requirements to determine energy savings associated with practice installation based on current heating/cooling requirements of the agricultural building. OPERATION AND MAINTENANCE An operation and maintenance plan shall be developed that is consistent with the purposes of this practice, its intended life and safety requirements. The plan shall include recommended guidelines for maintaining the system. Periodic maintenance items include for leaks in the building envelope, especially along edges of energy screen seals Regularly inspect insulation to ensure it evenly covers building envelope spaces and repair damaged material and components as necessary. Periodically check for tears and repair or replace torn vapor barrier or energy screen material. Identify critical control devices associated with the building envelope system. Inspect regularly and perform maintenance as necessary. Maintain records to document the implementation of energy improvements. Retain and update records for a minimum of three years from the installation of the building envelope improvement. Recommended records to be retained include: Utility bills, fuel purchases, and yield of agricultural commodities produced in the building. Documentation of maintenance conducted on the building envelope improvement and related components or devices. REFERENCES American Society of Heating, Refrigeration and Air Conditioning Engineers. 2010. ASHRAE Handbook – Fundamentals.
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