Standards

Here is some of the lastest information about important ASHRAE standards that the various committees are working on.

Commissioning Guideline Now Open for Public Comment

posted Dec 16, 2013, 12:19 PM by Louis van Belle

ASHRAE Offers First Opportunity to Comment on Proposed Guideline for Commissioning Existing Systems, Assemblies

ATLANTA – With functional changes and occupant productivity driving the need to commission existing facilities, ASHRAE is developing a guideline that addresses the commissioning process. The guideline is now open for public input.

ASHRAE Guideline 0.2P, The Commissioning Process for Existing Systems and Assemblies, describes the procedures, methods, documentation, requirements and physical activities of the commissioning process for existing buildings, systems and assemblies using the principles developed in ASHRAE Guideline 0-2005, The Commissioning Process.        

The proposed guideline is open for public comment from Dec. 6 until Jan. 20, 2014. For more information, visit www.ashrae.org/publicreviews.

“The most fundamental difference between new and existing building commissioning besides the obvious – one is new construction, one is existing – is that the function of the space may have changed substantially since it was designed,” Bill Dean, chair of the committee writing Guideline 0.2, said. “Related to that is that the building occupants are people with a voice and opinion as opposed to the theoretical occupant in new construction represented by the architect or owner. A great deal of the focus in the past was on energy savings being used to fund building improvements; now we are seeing functional changes and occupant productivity driving the need to commission existing facilities.”

Commissioning of existing systems also should result in energy and cost savings. Dean referenced a 2009 study from Lawrence Berkeley National Laboratory that suggests a median 16 percent energy savings with a 1.1 year payback for energy based existing building commissioning. The study noted “commissioning is arguably the most cost-effective strategy for reducing energy, costs and greenhouse-gas emissions in buildings today.”
Commissioning also impacts occupant comfort and assists in repurposing buildings. The quantifiable non-energy benefits are often equal to or greater than energy savings.

Guideline 0.2P is a process guideline that is intended to be applied to any type of facility.

For example, we envision technical requirement guides being written to cover building envelope, elevators, fire alarm systems, smoke control, lighting electrical, plumbing, site infrastructure and district heating and cooling, etc.” Dean said. “The same ASHRAE committee is currently developing the technical requirements for a proposed standard on existing HVAC&R systems (1.2P, The Commissioning Process for Existing HVAC&R Systems).”

Other commissioning guidance from ASHRAE includes Guideline 0-2005, The Commissioning Process; Guideline 1.1-2007, HVAC&R Technical Requirements for the Commissioning Process; and Guideline 1.5-2012, The Commissioning Process for Smoke Control Systems; and Standard 202-2013, Commissioning Process for Buildings and Systems.

ASHRAE also is working on several other guidelines related to commissioning:  Guideline 1.2P, The Commissioning Process for Existing HVAC&R Systems; Guideline 1.3P, Building Operation and Maintenance Training for the HVAC&R Commissioning Process; and Guideline 1.4P, Procedures for Preparing Facility Systems Manuals.

62.1 Addenda for Public Review

posted Mar 12, 2012, 9:24 AM by Northern Indiana ASHRAE ASHRAE   [ updated Mar 12, 2012, 9:25 AM ]

For more information go to: www.ashrae.org/standards-research--technology/public-review-drafts

To make comments, go to: osr.ashrae.org/default.aspx

These drafts are scheduled for a 30-day public review from March 23, 2012 to April 22, 2012:

1.  BSR/ASHRAE Addendum f to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality (Second Public Review Draft)

Some users of 62.1 believe that the ventilation rate procedure is “too complicated.” SSPC 62.1 disagrees with this in most cases – the basics of the VRP are quite straightforward. The SSPC agrees that application of the multiple-zone recirculating system equations described in Section 6.2.5 and Appendix A can be complex. The first public review provided a default value for Vpz. Based on a public review comment the SSPC has revised the approach used. Table 6-3 provides default values for Ev based on Max (Zp) up to a value of 0.55. For higher values of Max (Zp), then Appendix A is needed to be used to determine Ev. This proposed addendum will provide a default value for Ev for values of Max (Zp) above 0.55. 

2.    BSR/ASHRAE Addendum h to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality (Second Public Review Draft)

Standard 62.1-2010, Table 6-1, includes ventilation rates for “Sports arena (play area)” and “Gym, stadium (play area).” Both space types have ventilation rates based on floor area only, the per person rate is zero. Users of the standard have expressed interest in applying demand controlled ventilation to these space types, which is effectively prohibited by the lack of a per person component to the ventilation rate. This proposed addendum replaces both of these space types with “Gym, Sports Arena (play area)”, with Rp = 20 cfm/person and Ra = 0.06 cfm/ft² and assigns this new space type with an air class of 2 rather than class 1 from the first publication public review version. 

3.    ASHRAE Addendum i to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality (Advisory Public Review Draft)

Recent studies have shown that excessively low humidity may result in unacceptable indoor air quality. This proposed addendum is being sent out for advisory public review (APR) to obtain additional input from interested parties.  In particular, the SSPC is interested in the appropriateness of the relative humidity limit and the climate zones where the requirement applies. However, any other input is welcomed.

4.    BSR/ASHRAE Addendum k to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality (First Public Review Draft)

This proposed addendum adds an exception to the recirculation limits on Class 4 exhaust airstreams from laboratory hoods which would allow use of heat wheel energy recovery in some cases.  The exception defines several criteria which the airstream must meet before such heat recovery can be used, and the heat recovery system must limit recirculation airflow to less than 0.5% of the outdoor air intake flow.

5.    BSR/ASHRAE Addendum l to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality (First Public Review Draft)
 
This proposed addendum adds a refrigerated warehouse space type to Table 6-1, providing revised ventilation rates for these spaces. These rates include a “People Outdoor Air Rate, Rp” which will require ventilation during periods of expected occupancy, but do not include an “Area Outdoor Air Rate, Ra” which will allow the ventilation rate to be zero for refrigerated warehouses with no occupants. Note E to Table 6-1 is modified to indicate that if combustion powered equipment (e.g., a propane forklift) is used in the space, additional ventilation is required. 

These drafts are scheduled for a 45-day public review from March 23, 2012 to May 7, 2012:

1.    BSR/ASHRAE Addendum j to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality (First Public Review Draft)

This proposed addendum adds requirements to the Indoor Air Quality Procedure (IAQP) for determining minimum ventilation rates which require consideration of the combined effects of multiple contaminants of concern on individual organ systems. This “additive” effect is already implicit in the Ventilation Rate Procedure. This proposed change is intended to improve the IAQP by requiring consideration of these additive effects that are well established in the literature for many organ systems. The change requires identifying those contaminants of concern which act on individual organs and identifying those contaminants as a “contaminant mixture of concern.”


189.1 Addenda for Public Review

posted Aug 12, 2011, 10:06 AM by Louis van Belle

The public review of the following addenda have been announced in today’s ASHRAE Standards Action.  For more information go to www.ashrae.org/technology/page/331

30 day public review from August 12, 2011 to September 11, 2011

Addendum i - Second Public review Draft - This addendum adds a requirement in section 7.4.6.1 (Lighting Power Allowance) that the exterior LPDs allowed by 189.1 be some percentage of those allowed by 90.1-2010.

Addendum m - Second Public review Draft - The first public review of this addendum included modifications to Section 6.3.2.3 (b) (HVAC Systems and Equipment) for cooling tower drift, but based on comments from the first public review, this ISC restores the original language in the Standard.

Addendum n - Second Public review Draft - This addendum modifies the proposed language to delete the requirement for a minimum initial SRI value.  It also editorially restructures Section 5.3.2.4 (Solar Reflective Index) to separate roofing and non-roofing products to give clarity.

Addendum u - First Public review Draft - This addendum adds a requirement in section 7.4.6.8 (Controls for Exterior Sign Lighting) for automatic controls to assure that lighted signs which are bright enough to be visible during daytime hrs  are operated during nighttime hrs  with a 65% reduction in power.

Addendum v - First Public review Draft - This addendum adds in section 7.4.3.12 (Automatic Control of HVAC and Lights in Hotel/Motel Guest Rooms) a minimum time period to automatic HVAC and lighting control requirements for guest rooms.

45 day public review from August 12, 2011 to September 26, 2011

Addendum aa - First Public review Draft - In section 8 (Indoor Environmental Quality)This addendum provides more flexibility in achieving minimum daylight requirements, allows for the alternative of using the performance path to show equivalent daylighting benefits and adds occupancy exceptions to the requirement for diffusing glazing.

Addendum w - First Public review Draft - This addendum adds automatically controlled dynamic building façade systems as alternatives to the permanent projection requirements in sections 7 (Energy Efficiency), 8 (Indoor Environmental Quality) and section 10 (Construction & Plans For Operation).

Addendum x - First Public review Draft - This addendum modifies in section 5.3.3 (reduction of Light Pollution) the Backlight, Uplight and Glare (BUG) threshold values to match those found in the latest draft of the IDA/IES Model Lighting Ordinance.

Addendum y - First Public review Draft - This addendum in section 7.4 (Prescriptive Option) clarifies the requirements for heating, ventilating, air conditioning, and service water heating equipment when compliance path is chosen for the building project where federal minimum preemptive efficiency requirements are applicable.

Addendum z - First Public review Draft - This addendum adds a new Table C-16 (Commercial Refrigeration Min Efficiency Requirements) to Appendix C (Prescriptive Equipment Efficiency Tables) which covers efficiency requirements for commercial refrigeration.

Standard 90.1 Addenda for Public Review - August 2011

posted Aug 12, 2011, 9:50 AM by Louis van Belle

The public review of the following addenda have been announced in today’s ASHRAE Standards Action.  For more information go to www.ashrae.org/technology/page/331

30 day public review from August 12, 2011 to September 11, 2011

90.1z – First Public Review - This proposal relocates the existing water economizer requirements in  6.5.2.4 the general economizer requirements in 6.5.1.5

90.1ac – First Public  Review - This allows the inclusion of the R-value of an air space in enclosed cavities with or without insulation when calculating the total R-value of assemblies in Appendix A. This is consistent with what is allowed in Chapter 26 of the 2009 Handbook of Fundamentals. 

45 day public review from August 12, 2011 to September 26, 2011

90.1x – First Public Review – This addendum puts limits on air leakage through the casing and through the damper for terminal air boxes in Section 6.4.4.2. This requirement only applies to single duct and dual duct units.

90.1y – First Public Review –  These tables will update the standard to include the new federal energy efficiency standards in Section 10.8 for motors used in HVAC equipment that will be in effect starting in 2015.  

90.1aa – First Public Review - This proposed change eliminates references to the type of DDC control system, and just specifies how the system must perform in Section 6.5.3.2.3

90.1ab – First Public Review - This addendum adds a Filled Cavity metal building roof assembly to Appendix A.

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