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ASHRAE Guideline 1.2 2019

ASHRAE Guideline 1.2 2019

$47.13

ASHRAE Guideline 1.2-2019 – Technical Requirements for the Commissioning Process for Existing HVAC&R Systems and Assemblies

Published By Publication Date Number of Pages
ASHRAE 2019 74
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ASHRAE Guideline 1.2 provides requirements for the application of the Commissioning Process (Cx) described in ASHRAE Guideline 0.2 to existing heating, ventilating, air-conditioning, and refrigerating (HVAC&R) systems and assemblies.

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PDF Pages PDF Title
1 ASHRAE Guideline 1.2-2019
3 CONTENTS
4 FOREWORD
1. PURPOSE
1.1 The purpose of this guideline is to provide requirements for the application of the Commissioning (Cx) Process described in ASHRAE Guideline 0.2 to existing heating, ventilating, air-conditioning, and refrigerating (HVAC&R) systems and assemblies.
2. SCOPE
2.1 This guideline applies to the procedures, methods, and documentation requirements for each phase of the Commissioning (Cx) Process applied to existing HVAC&R systems and assemblies, including:
2.2 This guideline focuses on the following:
3. DEFINITIONS AND ABBREVIATIONS
3.1 Definitions
3.2 Initialisms and Acronyms
4. PROCESS OVERVIEW
4.1 Refer to ASHRAE Guideline 0.2 for process overview.
4.2 The EBCx Process is highly cost effective for improving existing HVAC&R systems. Experience shows many projects pay for themselves in one to three years. The total cost to the Owner of the EBCx project consists of several factors: the Commissioni…
5 4.3 The Hand-Off Phase budget is based on the complexity of the facility and the current state of the Ongoing Commissioning (OCx) Plan, the Facility Guide, and the Systems Manual. Because these factors can be assessed at the outset of the project, th…
4.4 The OCx operational budget should be included within the facility operating budget, subject to the current and future state of facility maintenance. Any additional costs will be associated with the increased data collection and reporting required…
5. MULTIPLE-FACILITY PLANNING
5.1 Introduction
5.2 Assemble EBCx Program Planning Team
8 5.3 Document EBCx Program Goals and Objectives
5.4 Assemble Information and Rank Facilities
5.5 Develop EBCx Program Plan
5.6 Planning Phase Deliverables: EBCx Program Plan
5.7 Owner Acceptance and Decision to Proceed
6. ASSESSMENT
6.1 Introduction
6.2 Define Owner’s EBCx Goals and Objectives
6.3 Select the Initial EBCx Team
9 6.4 Develop CFR
11 6.5 Develop the EBCx Plan
12 6.6 Establish the Systems Manual Outline
6.7 Perform Assessment
13 6.8 Initiate EBCx Report with Assessment Report
6.9 Assessment Phase Deliverables
14 6.10 Obtain Owner Acceptance and Decision to Proceed
7. INVESTIGATION
7.1 Introduction
7.2 Update EBCx Team
7.3 Conduct Investigation Planning Meeting
15 7.4 Review Facility Documentation
16 7.5 Update EBCx Plan
17 7.6 Perform Site Investigation and Testing
19 Table 7-1 IEQ Verification Tests
20 Table 7-2 Environmental Testing
7.7 Perform Issue and Opportunity Analysis
21 Table 7-3 Typical Optimum Performance to Test and Indications of Suboptimal Performance (Focus Area: Energy)
22 Table 7-4 Typical Optimum Performance to Test and Indications of Suboptimal Performance (Focus Area: O&M)
23 Table 7-5 Typical Optimum Performance to Test and Indications of Suboptimal Performance (Focus Area: IEQ)
24 7.8 Update EBCx Report with Investigation Report
7.9 Investigation Phase Deliverables
7.10 Obtain Owner acceptance and decision to proceed.
8. IMPLEMENTATION
8.1 Introduction
8.2 Select Recommendations to Implement
8.3 Implement Capital Projects
8.4 Update EBCx Team
25 8.5 Incorporate Informal Training
8.6 Update the EBCx Plan
28 8.7 Implement Recommendations
29 8.8 Verify Completed Recommendations
30 8.9 Update the EBCx Documentation
8.10 Implementation Phase Deliverables
31 8.11 Obtain Owner Acceptance and Decision to Proceed
9. HAND-OFF
9.1 Introduction
9.2 Develop OCx Plan
9.3 Assemble Systems Manual
9.4 Train Facility Personnel
32 9.5 Verify Training Effectiveness
9.6 Conduct Lessons-Learned Workshop
9.7 Finalize EBCx Report
9.8 Provide Project Documents to Owner
33 9.9 Deliverables for the Hand-Off Phase
9.10 Owner Acceptance and Decision to Proceed
10. ONGOING COMMISSIONING
10.1 Introduction
10.2 Assemble the OCx Team
10.3 Update the OCx Plan
10.4 Verify Achievement of CFR
34 10.5 Investigate Unacceptable Performance or Outcome
35 10.6 Implement Recommendations
10.7 Update Systems Manual
10.8 Update Facility Personnel Training
10.9 Write/Deliver OCx Report
10.10 OCx Phase Deliverables
36 10.11 Obtain Owner Acceptance
37 INFORMATIVE APPENDIX E: EBCX PROJECT REQUEST FOR PROPOSAL SAMPLE
39 INFORMATIVE APPENDIX J: CURRENT FACILITY REQUIREMENTS
Current Facility Requirements University Research FYI2010
40 Figure J-1 Space use categories.
41 Figure J-2 Space use categories.
Figure J-3 Equipment flow rates and existing air exchange rates for teaching labs.
42 Figure J-4 Equipment flow rates and existing air exchange rates for chemistry labs.
43 Figure J-5 Equipment flow rates and existing air exchange rates for Room 365: mass spectrometry lab.
44 Figure J-6 Ventilation rates in the support room areas.
48 INFORMATIVE APPENDIX L2: INVESTIGATION REPORT EXAMPLE
49 Table L2-1 University Research Recommendation Table
50 Table L2-2 Overall Projected Cost Savings for the Recommendations
51 Figure L2-1 Induction box functional test.
Figure L2-3 Temperature profiles in critical areas around the south office section of the building.
52 Figure L2-4 Supply-air fan speed (Hz), power (kW), and static pressure (in. of water) for 75 minutes on 7/26/2010.
59 Figure L2-5 Six days of teaching-lab temperatures.
Figure L2-6 Seven days of teaching-lab flow differential with positive values indicating negative lab pressure relative to corridor.
60 Figure L2-7 Science laboratory categories.
61 Figure L2-8 Equipment flow rates and existing air exchange rates—biochem teaching lab.
Figure L2-9 Equipment flow rates and existing air exchange rates—biochem lab.
62 Figure L2-10 Equipment flow rates and existing air exchange rates—biochem mass spectrometry lab.
Figure L2-11 Equipment flow rates and existing air exchange rates—lab support rooms.
63 Table L2-3 Actual Occupied Schedules
65 Figure L2-12 Heating system piping schematic.
70 Figure L2-13 Chiller energy input ratio vs. cooling load.
Figure L2-14 Chilled-water-pump power draw plotted as a function of chilled-water flow.
Figure L2-15 Chiller performance curves developed from manufacturer data.

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