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Home My WebLink About4612 Chokecherry Trl - Disclosures/Mechanical - 03/18/2015 (2)City of Fort Collins Residential Mechanical Systems Performance Report Updated 3/7/2014 This form is a record of testing targets and results, with Pass/Fail outcomes. For information on measurement tools City of and testing techniques, see the "Residential New Construction Mechanical Systems Testing Guide." The guide and Fort Collins this form may be periodically updated; check the Building Services web site for the current version. X This form must be completed and signed by an "Approved Agency," and submitted to Building Services as a requirement for receiving a C.O. Color key Target Measured value Other to compare vrith Pass Fall Caution data or limit target or limit ADCF = Air Density Correction Factor, based on tool, ADCF altitude (50D0'), air temperature through tool Volumetric flow (CFM 5000') = ADCF x Indicated flow (CFM) House1. Address 4612 Chokecherry Trail Unit #2 rvDate of "Residential Systems Builder06/14 echBuilder Post Modern Development Design Submittal" p information referenced HVAC contractorAir Comfort, Inc. by testing technicians As -built ee°S Submittals dated 06/26/14 meth designignsubsubmittal ]Submittals 1 2. Local Exhaust (Spot Ventilation) Bath exhaust Testing tech (initials) MS Flow ✓ Flow box Pittube duct traverse Air temp through tool ADCF � tool Passive flow hood Other (note below) (F) Measured Airflow Design Airflow(CFM Minimum Airflow Requirement Indicated Volumetric Exhaust Pickup Location (CFM 5000') Flow Flow Pass Fail 5000') + Type of Operation (CFM) (CFM 5000) Master Water Closet 50 Z50 Intermittent ❑ 20 Continuous 75 83 21 ❑ Master Bath 50 250 Intermittent ❑ 20 Continuous 67 74 IZ '❑ Bathroom #2 50 ;/ 5o Intermittent 20 Continuous 58 64 Q✓ 0 Bathroom #3 50 ,/ 50 Intermittent 20 Continuous 63 69 ❑✓ �❑ Laundry Room 50 �/ 50 Intermittent 20 Continuous 64 70 Q✓ ;❑ �50 Intermittent ❑ 20 Continuous El '❑ 50 Intermittent 20 Continuous ❑ Testing notes I Kitchen exhaust N/A- hood does not vent to outside Testing tech (initials) MS `I Oven fuel ❑✓ Gas [:]Electric] Minimum airflow requirement (CFM 5000') + operation 1.0 100 Intermittent Q 25 Continuous t _ ;Measured airflow ✓ Flow box Pilot tube traverse Interior grille Air temp i { low Passive flow hood ❑Flow grid location Exhaust duct through 70 deg ADCFtool " i Powered flow hood Other (note below) (Exterior termination not OK) tool (F) Indicated flow 198 CFM Volumetric flow 218 CFM 5000' ✓❑ Pass I__I Fail 9 I Testing notes �a Residential Mechanical Design Submittal V20140307 Pagel Systems other than sub -structural floor exhaust Cod ( minimum ventilation airflow 54 CFM 5000' Design ventilation 60 CFM 5000' based on CFA and # of BR airflow Target ventilation airflow range 54 to 65 CFM 5000' (code -minimum) (120%of design flow) Testing tech (initials) MS 0_ Exhaust -only System type ❑Supply -only Balanced Measured Airflow Air Temp Indicated Volumetric Measurement Method Tool Location Through ADCF Flow Flow Pass Fail Tool (F) (CFM) (CFM 5000') Total exhaust ❑ NIA❑v Flo ❑ ❑ Passive Flow hood FIOW box Pitot tube traverse Laundry Roam Exhaust Fan 70 de 9 1.1 5 5 5 9 airflow ❑ Flow collar ❑ Other (note below) Total ❑ N/A ❑ Passive Flow hood El 1:1 supply ❑ Flow box ❑ Pilot tube traverse airflow, ❑ Flow collar ❑ Other (note below) When supply airflow is circulated by air handler fan, fan speed for measurement Q Heating ❑- Cooling 0- Continuous fan Balanced airflow in balanced systems Average of measured CFM Target Flow range CFM supply + exhaust flows 5000' (average +/_ 15"/0) to 5000' Pass Fail ' tj Testing 7 notes Sub -structural floor exhaust ❑✓ N/A — no sub -structural floor exhaust system Testing tech (initials) FMS Design exhaust airflow (based onCFM 5000' Target airflow limits to CFM 5000, approved design) (design +/- 15%) Measured airflow Flow box U Pitot tube traverse Air temp Flow 0 Passive flow hood ❑Flow collar ToolI - j through ADCF tool Powered flow hood Other (note below) location tool (F) Indicated flow CFM Volumetric flow CFM 5000' Pass Fail N/A JE1 No ductwork Testing notes ❑ No ductwork outside conditioned space (incl multiple sys) Duct leakage — Energy rater (name, data sourcel company, testing date) House conditioned floor area (include full basement) Test Parameter and Conditions sf Airtemp ADCF through tool (F) Maximum Allowed Duct Leakage Normalized Absolute (CFM25 5000' / 100 sf) (CFM25 5000') Measured Duct Leakage Indicated Volumetric (CFM25) (CFM25 5000') System 91 System #2 Leakage Type Timing Air Handler Pass Fail Pass Fail Total leakage Rough -in Excluded 3 ❑ ❑ Total leakage Rough -in Included 4 ❑El❑ Total leakage Complete Included 4 D D El ❑ Residential Mechanical Design Submittal V20140307 Page 2 Heating5. • • e Equipment, For multiple systems, attach one page per system System #F__1 Which parts of house does it serve? Entire Home Installed equipment (Be clear about which AC components are installed at time of testing) Testing tech (initials) FS Furnace or Boiler AC or Heat Pump Condenser AC or Heat Pump Coil Manufacturer York/Guardian York/Guardian ADP Model# RGF1904OP08MP11A RAC13J184521A YE21624E145B1605AP Filter Air Handler brand Static pressures Setup Basic fiberglass Ll Electrostatic Thickness ❑ MERV❑ Type QBasic pleated 0 Other: High-effic pleated (inches) 1 (optional) Speed: ❑ Heating El Cooling Q Cont. fan U High -stage for multi -stage equipment Blower speed tap: High Humidifier damper: ID N/A ]Open (Heating) ❑Closed (Cooling) 0 All registers open E]Zone dampers open sP1 .13 OP Filter 33 (SP1 - SP2) . Cooling: Measured air flow through indoor coil Design cooling airflow 745 CFM 5000' (high stage) SP2 .46 ❑ N/A — no AC installed Testing tech (initials) FMS (Same location SP4 .06 for NSOP, TFSOP) AP Coll .12 (SP3-SP4) SP3 .18 Testing tech (initials) MS Target airflow limits 633 to 857 CFM 5000, (design +/- 15 ) Measured airflow Air temp Flow grid 14 throw(;F7O ADCF� NSOP❑TFSOP❑Flow Resistance plate size 20 1 1 13.4 14.6 Correction Factor n/a tool F Measured airflow, no CFM Indicated airflow 7 CFM Volumetric c airflow 832 50 M ❑✓ Pass ` adjustment/correction n/a Measured AFx FRCF ��• Indicated AFx ADCF �+�+� 5000� Fail Testing notes DG-700 calculates FRCF Heating: Gas manifold pressure (high stage) Testing tech (initials) MS ✓ ' Manifold pressure �. G IWC Target manifold P 3 3 to 3 7 IWC Measured rD . C IWC Pass OEM spec @ 5000' U limits (Spec +/-5%) pressure J J Fail Heating: Temperature rise Testing tech (initials) FMS OEM temperature rise limits 30 to 60 F (high stage) Supply Return Temp Caution: within 10F Measured temps (F): 1 10 — 69 = 41 ❑✓ Pass ❑Fail ❑ air air rise I eI of top of range Residential Mechanical Design Submittal V20140307 Page 3 6.Reffigerant Charge Testing tech (initials) MS Testing approach and targets ON/A: No complete AC system ✓❑ N/A: House completed November- April (installing contractor responsible for testing in wann weather) ❑TXV: Subcooling + SH check ❑ Non-TXV: Superheat ❑ OEM -specific: Approach ❑ Other OEM-specific(documentat on required) Temperatures Condenser Non-TXV: Return F Target Target Target I (F): entering air temp air wet -bulb temp superheat subcooling approach Subcooling Dischar a pressure9 ❑ Condenser saturation T❑F Liquid Actual ine❑F cooling F ❑TXV Pass: Actual SC within 3 F of target SC, 2 F min i PSI (5000' chart) temp (Good T- liq line T) ❑TXV Fail Superheat pSuction❑ ressure Evaporator❑ saturation T F Suction❑ sup line F su erheat F ❑Non-TXV Pass: target SH within +/_ 5 F of target SH ' (5000'chart) temp (suctlineT-evapT) ❑Non -]Non (PSI) ' TXV checks: ❑ Pass: Field -installed TXV installed in accordance with OEM instructions ❑ Caution: Actual SH outside mfgr range Approach Liquid line 1-1F Actual approach F ❑Approach Pass: Actual approach within +/- 1 F of target approach temp (LiglineT-condenser EAT) Approach Fail ❑ Register air flows i All registers are cut through finish materials and moving air Fv(] Pass Fail (Remainder of register air flow section under development, not yet being enforced) Pressure balance Testing tech (initials) FMS Testing tech (initials) FMS Room (match names on plans, include basement if there is a door) Room -to -Core Pressure Drop Target Range (Pa) Measured Pressure Drop (Pa) Pass Fail Master Bedroom -3to+3 0.10 ❑✓ ❑ Bedroom #2 (upstairs) -3to+3 0.90 ❑✓ ❑ Bedroom #3 (downstairs) -3 to +3 -0.20 ❑✓ ❑ -3 to +3 ❑ ❑ -3 to +3 ❑ ❑ -3 to +3 ❑ ❑ -3 to +3 ❑ ❑ -3 to +3 ❑ ❑ -3 to +3 ❑ ❑ -3 to +3 ❑ ❑ Residential Mechanical Design Submittal V20140307 Page 4 Combustion safety testing N/A — no natural -draft combustion appliances (Appliance Types table must be completed for every home) Appliance types Testing tech (initials)FM S I Appliance Combustion Type N/A Draft -hood Natural -draft Induced -draft Natural -draft Power- vent Direct- vent Powered sealed - combustion Electric Furnace #1 ❑ ❑ ❑ ❑ ❑ ❑ ❑ Furnace #2 ❑ ❑ ❑ ❑ ❑ ❑ ❑ Boiler#1 ❑ ❑ ❑ ❑ ❑ ❑ ❑ Boiler #2 ❑ ❑ ❑ ❑ ❑ ❑ ❑ } Water heater #1 ❑ ❑ ❑ ❑ ❑ ❑ ❑ Water heater #2 ❑ ❑ ❑ ❑ ❑ ❑ ❑ Fireplace #1 ❑ ❑ ❑ ❑ ❑ ❑ ❑ Fireplace #2 ❑ ❑ ❑ ❑ ❑ ❑ ❑ Other: ❑ ❑ ❑ ❑ ❑ ❑ ❑ Worst -case depressurization performance jHouse setup These doors are closed: _ # of bath fans on Vented range hood on I I _ Clothes dryer on _Air handler on Other fans on: Other setup notes: 1 r1 I 1 I I � I Outdoor temperature F I } i CAZ pressure I BPI depressurization limit (Pa wrt outside) Measured net CAZ depressurization (Pa wrt outside) OK (less negative) I Caution (more negative) Spillage ! BPI maximum limit (seconds Measured spillage duration (seconds ,I Pass = duration not exceeding limit Draft pressure j BPI limit (Pa wrt CAZ Measured (Pa wrt CAZ' Pass = pressure more negative than limit r CO concentration In undiluted flue gas I BPI maximum limit (ppm; Measured CO (ppm; E Pass = CO level not exceeding limit Caution = CO level 25 to 100 ppm I .I Testing i notes Y ElOK I ❑ Caution ❑ OK ❑ Caution ❑ OK ❑ Caution 60 60 60 ❑ Pass I ❑ IFail ❑ IPass I ❑ IFail ❑ Pass ❑` Fail ❑ Pass ❑ Fail ❑ Pass I ❑ IFail I ❑ Pass I ❑ Fail 100 100 100 ❑ jPass 1 ❑ IFall ❑ Pass I ❑ Fail ❑ jPass I ❑ IFail ❑ Icaution ❑ Caution ❑ Icaution Residential Mechanical Design Submittal V20140307 Page 5 System Controls Operating Per Design Intent Local exhaust (all fans) ❑ N/A ❑✓ Pass ❑ Fail Whole -house ventilation ❑ N/A [ Pass ❑ Fail Sub -structural floor exhaust ❑✓ N/A ❑ Pass ❑ Fail Heating (all systems) ❑ N/A 0 Pass ❑ Fail Cooling (all systems) ❑ NIA Q Pass ❑ Fail Testing tech (initials) MS Testing Notes jTeejchnician #1 performing inspection and testing documented on this report (Approved Agency) P� I certify that the tests referenced above, in sections bearing my initials, were performed in accordance with protocols specified by the iCity of Fort Collins Building Services Department, and that the reported results are accurate to the best of my knowledge. f Name (print) Mark Shadowen VP Title Service Operations Manager I I� company Air Comfort, Inc. k Signature and Date Mark Shadowen 0 3 / 18 / 15 �Technician #2 performing inspection and testing documented on this report (Approved Agency) I ; I certify that the tests referenced above, in sections bearing my initials, were performed in accordance with protocols specified by the City of Fort Collins Building Services Department, and that the reported results are accurate to the best of my knowledge. I� i Na i k Signature HVAC Contractor (City of Fort Collins license holder) f_ I certify that I have reviewed this report and that the test results are an accurate representation of the performance of the installed mechanical i systems. Name (print; l Title 1 I jCompany I Signature and Date Mark Shadowen Service Operations Manager Air Comfort, Inc. Mark Shadowen 03/18/15 Residential Mechanical Design Submittal V20140307 Page 6