HomeMy WebLinkAbout15990.pdf BICKFORD OF CARMEL, IN 12/12/2012
TESTING, ADJUSTING AND BALANCING 15990-1
SECTION 15990
TESTING, ADJUSTING AND BALANCING
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions
and Division 1 Specification sections, apply to work of this section.
1.2 SUMMARY
A. This Section specifies the requirements and procedures total mechanical systems testing,
adjusting, and balancing. Requirements include measurement and establishment of the fluid
quantities of the mechanical systems as required to meet design specifications, and recording
and reporting the results.
B. Test, adjust, and balance the following mechanical systems:
Return Air Systems Supply Air Systems
Outside Air Systems Exhaust Air Systems
Diffusers, Registers, & Grilles Domestic Water Heater
Exhaust Fans Air Cooled Condensing Units
Direct Expansion Cooling System (Coils & Compressors) Heat Pump PTAC Unit
Furnaces
1.3 SUBMITTALS
A. Sample Forms
Submit sample forms, if other than those standard forms prepared by the NEBB are proposed.
B. Report Contents
Provide the following minimum information, forms and data:
C. General Information and Summary
1. Inside cover sheet to identify testing, adjusting, and balancing agency, Contractor, Owner,
Architect, Engineer, and Project. Include addresses, and contact names and telephone
numbers.
2. The remainder of the report shall contain the appropriate forms containing as a minimum, the
information indicated on the standard report forms prepared by NEBB, for each respective
item and system. Prepare a schematic diagram for each item of equipment and system to
accompany each respective report form. Schematic for equipment and systems shall
indicate where pressure readings are taken.
1.4 QUALITY ASSURANCE
A. Agency Qualifications
Employ the services of an independent testing, adjusting, and balancing agency meeting the
qualifications specified below, to be the single source of responsibility to test, adjust, and balance
the building mechanical systems identified above, to produce the design objectives. Services
shall include checking installations for conformity to design, measurement and establishment of
the fluid quantities of the mechanical systems as required to meet design specifications, and
recording and reporting the results.
BICKFORD OF CARMEL, IN 12/12/2012
TESTING, ADJUSTING AND BALANCING 15990-2
B. Codes and Standards
NEBB: "Procedural Standards for Testing, Adjusting, and Balancing of Environmental Systems."
C. Coordination
Testing and Balancing (TAB) Contractor shall coordinate with General Contractor and Mechanical
Contractor to ensure all test ports required for TAB are installed.
PART 2 – PRODUCTS- Not Used.
PART 3 - EXECUTION
3.1 Record and Report Data
A. Record all data obtained during testing, adjusting, and balancing in accordance with, and on the
forms recommended by the referenced standards, and as approved on the sample report forms.
Make the following tests, adjustments and recordings:
A. HEAT PUMP FAN COIL UNIT
1. Test and record fan motor full load amperes.
2. Make pitot tube traverse at main supply, return, outside and exhaust air ducts to each
unit and determine air flow quantity, record all data.
3. Test and adjust each diffuser, grille and register to within five percent of design
requirements. Recorded data shall include required FPM velocity, “K” value, test
resultant velocity, required CFM, and testing resultant CFM after adjustments.
4. Record fan coil heat pump unit nameplate data.
5. Test and record fan static suction and discharge pressure.
6. Test and record compressor full load amperes..
7. Test and record entering air-dry bulb temperatures for heating and cooling.
8. Test and record entering air wet bulb temperatures for cooling.
9. Test and record leaving air-dry bulb temperatures for heating and cooling.
B. GAS FIRED FURNACES, DIRECT EXPANSION COOLING COIL, AND AIR COOLED
CONDENSING UNIT
1. Test, adjust and record outside air to each furnace system.
2. Test and record fan motor full load amperes. (Furnaces).
3. Make pitot tube traverse at main supply, return air ducts and branch outside air ducts to
each unit and determine air flow quantity, record all data.
4. Test and adjust each diffuser, grille and register to within five percent of design
requirements. Recorded data shall include required FPM velocity, “K” value, test
resultant velocity, required CFM, and testing resultant CFM after adjustments.
5. Record furnace nameplate data.
BICKFORD OF CARMEL, IN 12/12/2012
TESTING, ADJUSTING AND BALANCING 15990-3
6. Record condensing unit nameplate data.
7. Test and record fan static suction and discharge pressure (furnaces).
8. Test and record compressor full load amperes for each condensing unit.
C. DOMESTIC WATER HEATING SYSTEMS
1. Record nameplate data for Domestic Water Heater.
2. Set outlet water temperature for 120oF.
D. EXHAUST FANS
1. Test and record fan motor full load amperes.
2. Test and adjust each grille and register to within five (5) percent of design requirements.
Recorded data shall include required FPM velocity, “K” value, test resultant velocity,
required CFM, and testing resultant CFM after adjustments.
3. Test and record static pressure.
4. Make pitot tube traverse at main exhaust duct and determine airflow quantity, record all
data.
5. Verify operation of back-draft damper (on units, which have them).
6. Adjust unit mounted speed controllers (on units which have them) to provide proper
airflow. Mark setting.
E. UNIT HEATER (ELECTRIC)
1. Record nameplate data.
2. Test and record motor full load amperes for all equipment.
F. TEMPERATURE CONTROLS
1. Test and record proper operation of temperature controls for each piece at heating,
ventilation and air conditioning equipment.
G. KITCHEN EXHAUST HOODS SYSTEM
1. Record Exhaust Fan and Supply Air Fan nameplate data for each Kitchen Hood System.
2. Test, adjust and record Exhaust Air and Supply Air CFM for each hood system.
3. Test and record fan motor full load amperes (Exhaust Fan, Supply Air Fan) for each hood
system.
4. Adjust Exhaust Air and Supply Air Fans to provide proper Kitchen Hood fume capture
velocity.
H. SUPPLY AIR, RETURN AIR SYSTEMS
1. Test and adjust each diffuser, grille and register to within five percent of design
requirements. Recorded data shall include required FPM velocity, “K” value, test
resultant velocity, required CFM, and testing resultant CFM after adjustments.
Prepare report of recommendations for correcting unsatisfactory mechanical performance when
system cannot be successfully balanced.
END OF SECTION