1. ENERGY STAR Multifamily High Rise Program Testing and Verification Protocols Webinar – Part III August 2011

2. Testing and Verification Protocols 6.0 Lighting 7.0 Motors 8.0 Ventilation and Infiltration 9.0 Metering 2

3. 6.1) Common Areas, In-Unit, Garage and Exterior Lighting 3 Visual Inspection Data Sheet  Test Procedure Instrumented Measurement  Third-Party Commissioning Sampling: 100% of 24/7 common areas RESNET sampling protocol for non-24/7 common areas At least one representative apartment from each floor Verify each unique fixture type SSC: Obtain Statement of Substantial Completion for non- 24/7 spaces before the inspection

4. 6.1) Common Areas, In-Unit, Garage and Exterior Lighting 4 Indicate if lamp is pin- base or screw-type Note model number, bulb wattage, and ENERGY STAR label

5. 6.2) Emergency Lighting (Exit Signs) 5 Sampling: 100% of unique common areas RESNET protocol for repetitive spaces Visual Inspection Data Sheet  Test Procedure  Instrumented Measurement  Third-Party Commissioning

6. 6.3) Lighting Controls 6 Sampling: 100% of unique common areas with 24/7 lighting RESNET protocol for repetitive spaces Visual Inspection Data Sheet Test Procedure  Instrumented Measurement  Third-Party Commissioning SSC: Obtain Statement of Substantial Completion for non- 24/7 spaces before the inspection

7. 6.3) Lighting Controls 7 Occupancy sensors in corridors tied to every other fixture Document each type of control; note locations

8. 7.1 - Motors 8 Visual Inspection Data Sheet  Test Procedure  Instrumented Measurement  Third-Party Commissioning Sampling: 100% of motors over 1HP and those servicing primary HVAC equipment Oversized Pump

9. 7.1 - Motors 9 Performance Criteria for Motors: Specify and verify motor size, type, design, and rated efficiency NEMA Premium for motors greater then 1 HP Prescriptive Path only: specify VFD for motors 5HP or larger for circulating pumps serving hydronic systems Motor Nameplate with NEMA Premium

10. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 10 Visual Inspection Data Sheet  Test Procedure Instrumented Measurement  Third-Party Commissioning Sampling: 50% of unique central details RESNET for apartments during and post construction

11. 11 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior AIR SEALING ITEMS TO WATCH FOR WHEN ON-SITE Rough openings to windows and doors Heating pipe penetrations through interior partitions HVAC Access Doors Window to interior gypsum board Plumbing / Sprinkler Pipe Penetrations Thermostats Rough opening for A/C sleeve Range Gas Line Penetration Intercoms Air conditioner sleeve sealed to drywall (cover is installed if ACs provided by building) Gypsum board to concrete ceiling plank connection Lighting Fixtures Outlet/Electrical Box ‐ Exterior and Demising Walls Gap between take ‐ off duct and gypsum board Heating pipe penetrations through exterior walls Door latch holeElectrical PanelMedicine Cabinet

12. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 12 Schedule: Starts with construction documentation 3-5 site visits at a minimum All applicable elements on the air sealing checklists must be inspected at: Interior framing layout Pre-drywall Sample apartment Post-correction of sample apt Final inspection

13. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 13 Specify Necessary Components & Verify Proper Installation Fluid applied air barrier membrane Self-adhering air barrier membrane Mechanically attached air barrier membrane Board stock air barrier Spray applied polyurethane insulation Gypsum board, CMU or foam board substrate Accessories: Sealants Primer Mastic Transition membrane Tapes Drawing courtesy and copyright of W.R. Grace Company-Conn

14. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 14 Requirements for general exterior enclosure systems: CDs must identify control systems for rainwater, heat and air Submittals must be reviewed for continuity and called out in specifications Assemblies need to be designed and installed to prevent condensation ENERGY STAR Thermal Enclosure Rater Checklists Sections 3 and 5 for wood-framed construction Image Courtesy of El Jardin De Seline Apts LLC

15. In Unit Air Barrier Exterior Air Barrier 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 15 Requirements for exterior enclosure air barrier systems: CDs must demonstrate separation of conditioned vs. non-conditioned Include details and installation methods for all unique conditions Use T&V Worksheets and Photo Template to indentify and document air leakage locations and sealing Air Barrier Continuity

16. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 16 Critical Exterior Air Barrier Details: Window openings AC openings Through-wall duct penetrations Transition between foundations and walls Transition between one wall type and another Transition at inside and outside corners Transition between wall and roof barrier Transition Between Different Wall Types Image Courtesy of Jason Maldonado of MJM Construction

17. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 17 Requirements for exterior enclosure air barrier systems: All adjacent materials must be COMPATIBLE! Gaps and joints must be primed and sealed per manufacturer’s instructions Sealant and membranes must be rated for a joint’s calculated deflection Floor Edges and Shelf AnglesIncompatible Sealant Used Image Courtesy of Jason Maldonado of MJM Construction

18. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 18 Critical Exterior Air Barrier Detail Often Overlooked: Seal gaps at steel columns with sheet membrane or backer rod and sealant Image Courtesy of Jason Maldonado of MJM Construction

19. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 19 Window Mock Ups Are Your Friends! If Owner approves, specify window mock up in CDs

20. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 20 Requirements for apartment compartmentalization: Apartments must be air sealed and connected to exterior air barrier Details shall be included in CDs & verified on site to demonstrate continuity Apartments must achieve air leakage rate <= 0.3CFM/SF of enclosure area Apartment Air Barrier

21. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 21 Apartment Mock Ups Are Also Your Friends! Inspect details in at least one(1) middle and one(1) corner sample unit Catch problems early before building-wide construction Test the sample units for Preliminary Fan Pressure Testing Gap Between Window and Rough Opening Not Sealed

22. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 22 Critical Interior Air Barrier Detail Often Overlooked Floor gaps should be sealed before installing finished floor or HVAC Gaps Harder to Seal After Sleepers are Installed

23. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 23 Air Leakage Testing Using Blower Door A sample of apartment units must be tested for leakage Tests must be conducted in accordance with either ASTM E779-10 or ASTM E1827-96 (2007) Minimum two sets of tests –Preliminary tests for contractor feedback before work is completed –Final tests for quality assurance

24. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 24 Conducting the Test Mount fan in the entry door of the apartment being tested Preparation checklist: –Close and lock windows –Close trickle vents, if any –Open doors to interior rooms –Tape off ventilation registers –Close closets –Open doors and windows of adjacent units (next slide)

25. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 25 Air Barrier Boundary 50 Pa Test apt Neighbor Corridor Goal: 50 Pa across whole unit envelope During test, if pressure across envelope at any point is different from test pressure by 5 Pa or more, must open doors and windows of neighboring units to outside.

26. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 26 Leakage Standard Leakage must be less than 0.3 CFM50/square foot of enclosure for a unit to pass Square feet of enclosure is calculated by adding areas of all surfaces enclosing the apartment, including party and exterior walls, the floor and ceiling AptWall Perim. x Wall Ht. = Wall Area + Floor Area + Ceiling Area = Total Area CFM50 Test CFM50 /ft 2 OK? (ft) (ft 2 ) Result A116x8=928+735+ =23987000.29OK B106x8=848+698+ =22446900.31NO

27. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 27 Preliminary Testing Purpose: feedback for contractor Test before building-wide air sealing is completed Test at least two units –One corner, one middle unit –Exterior and interior air barrier must be complete on tested units Must pass 0.30 CFM50/SF of enclosure –If units pass: air barrier is acceptable; use throughout building –If units fail: Make punchlist Corrections must be made to failed units until they pass Provide report of test results to project team

28. 8.1 - Envelope Air Sealing & Total Air Leakage Common Area, Apartments, and Exterior 28 Final Verification Testing A minimum of five units must be tested Leakage rate must be less than 0.3 CFM50/SF enclosure Sampling Protocol – follow RESNET –Testing sample sets: test one randomly selected unit in each sample set: If the unit passes, all units in the group of 7 pass If the unit fails, two additional must be tested If either of those fails, all remaining units in group must be tested Failing units must have all common air leak locations (per list in T&V protocols) properly sealed before retesting All units in sample set will be considered failing until all units have passed

29. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 29 Visual Inspection Data Sheet  Test Procedure Instrumented Measurement  Third-Party Commissioning Sampling: 100% of common area equipment delivery location can be sampled at every other floor RESNET for apartment systems In-Unit Exhaust with Trickle Vents, Rooftop Supply and Exhaust for Corridors

30. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 30 Schedule: Verify performance data before accepting deliveries Minimum of one site visit, ASAP after installation Inspect and test ducts prior to enclosure with drywall Flow measurements after envelope and interior partitions are completed Test ducts at operational conditions Enclosed Duct

31. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 31 Duct Sealing Requirements for Central Ventilation Systems: Roof curb Transverse joints & take offs Duct transitions Ductwork to gypsum board Roof Curb Sealed With Mastic Transverse Joints 10 CFM50/floor/shaft (5 for Prescriptive Path) 0.2-0.3” WC at farthest grill

32. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 32 Duct Sealing Requirements for In-Unit Ventilation Systems: Transverse joints & take offs Duct transitions Transverse Joint Sealing at Elbow Gypsum Connection Ductwork to gypsum board Plank core criteria

33. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 33 Exhaust Duct Leakage Testing All common area ventilation must be tested Apartment ventilation may be tested by sampling Sample of ducts must be tested before being enclosed in walls –Gives feedback to builder and catches problems before it’s too late Test at 50 Pa and use standard duct leakage tester Use Linear Regression Assistant in the T&V worksheet for five-point linear regression Update energy model with actual measured duct leakage rates

34. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 34 Exhaust Duct Leakage Testing (continued) Allowable leakage is based on CFM50 per shaft per floor Performance path –Maximum leakage 10 CFM50 per shaft per floor Prescriptive path –Maximum leakage is 5 CFM50 per shaft per floor Sampling: –Apartment ventilation risers can be tested according to RESNET sampling protocol (1 in 7) Example

35. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 35 Prescriptive Path Req’ts for Central Ventilation Systems: Self balancing damper ≤ 1/16 HP direct drive & variable speed controllers 1/16 - 1 HP direct drive, ECM motors & variable speed controllers Self Balancing DamperVariable Speed Controller ≥ 1 HP must have NEMA Premium motors Demand control for powered common laundry exhaust systems

36. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 36 Requirements for Garage Ventilation Systems: CO control (Prescriptive Path only) CO threshold criteria Schedule with make, model location and count Location, powering and wiring on plans Fan capacity and air intake points

37. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 37 Capacity & Efficiency Requirements for Ventilation Systems: Non-Apartment fan specifications to include BHP and motor efficiency Rooftop apartment fan specifications to include BHP and motor efficiency In-Unit apartments fans must be ENERGY STAR qualified and specifications to include Watts/CFM Fan sizing to account for duct leakage Small Fan is Same Capacity but Uses Half the Power

38. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 38 Balancing Requirements for Ventilation Systems: Self balancing dampers for supply and exhaust grilles (capacity, position, etc.) Verify static pressure for each shaft at farthest grill from fan Verify airflow (CFM) following RESNET, update as-built model where applicable

39. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 39 Ventilation Will Comply with ASHRAE 62.1 and 62.2 - 2007: Ventilation rates based on anticipated occupancy and space type Prescriptive Path projects can’t exceed ASHRAE 62.1 & 62.2 by more than 50% No pollutants drawn into building unintentionally Verify passive intake systems with airflow OR pressure measurements Trickle Vent Installed in Window Frame

40. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 40 Requirements for Control Systems (Timers, Sensors, Etc.): Specify operation sequence for controls, sensors and related equipment Verify control systems match proposed design and function properly Outdoor air dampers to shut when space or system not in use Motorized dampers for stairwell bulkheads and elevator hoist way (optional) Occupancy SensorMotorized Damper at Stairwell

41. 8.2 - Common Area & In-Unit Ventilation (CFM), Intake Source, & Intake/Exhaust Fan Efficiency 41 Heat or Energy Recovery Ventilators: Consider an HRV or ERV for 100% of corridor supply air Capacity of unit should match corridor ventilation rates Verify how equipment is adjusted in the field to met the Proposed Design Verify equipment is correctly specified/installed for indoor vs. outdoor use ERV Riser DiagramDamper Installed at ERV Intake

42. 9.1) Metering Configuration 42 Visual Inspection  Data Sheet  Test Procedure  Instrumented Measurement  Third-Party Commissioning Sampling: Metering in central location: inspect all meter banks Metering distributed in common areas or apartments: follow RESNET protocol Direct meter bank; meters uninstalled Master gas meter

43. The End Questions? Contact: MFHR@energystar.gov 43