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Specifications
¶52. 1A1 . S % a kof A4Ec2011- 00 5 69 6-/-/ THORSON BAKER & Associates, Inc. I •' Project No: Sheet No: Consulting Engineers +- El Project: 1 Y .. 4i:Xl,`•..1 C' : I . lcAP Date: \ ❑ ❑ Project Site: po /1lUI r� Off— n Pr By: i 1@ i ' ■ 1 • 1 • CoDE : ()rein') Sir)4.,�t•(S PG�� -i� Code_ . , . ' k(t PRp,r 1 . vJ ? 1 `c,� \A GI.NlE F ' Si0 ' 1 1 �I 14- ,. i377'PE 9 r • ; VII:`L 7 --Y1 _s . ' YE 14, S G re ir.af I i Z' - OREGON 1a . c,Q Coe!, crc .f f '� ✓� .i. In t i✓'6 ! II_ c%/, I ! (‘'‘b Ltc�A1 (,�s y� (41.,0) ' 4 S- EARLS -� - ierrt ;6 /(v • • PC:-5 1 �l � Il '() 5 '� �C. � � Fr� 1 113 r!1 t ° -.e:1 ' I oLi .‘C''' 1 I R ECEIVED 1 I 1 . ; . , : . , . ' + j ! i i JAN 0 4 2012 I i I 1 I I ' i I !- CITY_OF TIGAZD. I , ! BUILDING DIVISION 1 >7 'cv: F� S t0 • X40 : ' �_ 1 i i ' yi ` 1 D I I i ! ! ?rl i I I)- d a� r ' Li.. I 1 • i I 1 I I ! i I : 0. 4 (1 0> C ©, I � ) `r'! / I ; / • \ o , ' 9 , 2.51 � J/ i 1 • , . , : , , . , . . I 1 I I I . , . • i , ! i ! 1 I .. • . : r (fnna \'(-)(,.0-- 1.000) '.4 r. I IC-)WV; • . ! r ; i ! ' I r„ ' •, !z 0'3(o 1Dc) (J.°) :0,/,.,! ' ; 0 ' l\ i W p _ i 1 E 1. ! i I j I I i ' ' i I I - • I i I ! I • I - i - I - ` i I i i I i i i ( . - i i I ! i ' ' I ! • ' 1 I ! I I" • THORSON BAKER & Associates, Inc. 2. Consulting Engineers Project No: `� Sheet No: Iii--_ Project: 1�'•eG 1 .47C1(1(1 1 S �O1 7 Date: I ' 11 ® I Project Site: Prepared By: PL`' I. : i 1--- ! I 1 1 1 1 11 ! ; ?_ r 1 1. I! I I I _! f - j ,•A 1 II 1 j° 0 I i f I - i I ! .. -._ _ -I..- _- _ _ _. . i .0 -- -- _ -- . -I --- f. _ - ._.1--_.___{ _.__ ._._ i :1Ii4 z :I i 2, 1 i I ! i I A �I 'Z i ! i t_____i_i_._ i_____ 774 _,...4___LJ____.4__4_4.____T4,_1 T r3i`]) r A -.L5i-_ ". 1 6) _ i , , 1 , . , , , , , , , , , , , , 1 i 1 I — 1 -----1- 1 -- 7 --- - -- - E, - , i , ! .. r [- ,‘ i , 1 , , ,. , ____,___ ,.__J i 1 l , I ! , , , ______ __ Hil±i L ! 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I ! 1 1 1 � ! i 1 I ! 1� I 1 r 1 � ! ? f.._i_- - - -..r 1 _i_. .! 1 -.i... 1_ j_ _1_ I ? ! , I ! ! , T? , ? 1 ii 3 PROJECT : me Body Shop,; - PAGE : • CLIENT : ArchfteduralGroup Intemetional DESIGN BY : • JOB NO.: - ,, - DATE: . • REVIEW BY Bracs_DO'sign Based:ori:AISI20.01 &'ICBQ;ER49.43P_._ _ INPUT DATA & DESIGN SUMMARY [STRUCTURE ABOVE SECTION & SPACING 400S162-54 @ • ' . In o.c WALL —' (50ksl) BR u% d' BRACE LENGTH L = .28.3, ft BRACE SLOPE 12 / :12 _ L WALL LATERAL LOAD, ASD Fp = 9 psf WALL HEIGHT H = 10 . ft THE DESIGN IS ADEQUATE. H WALL ANALYSIS � + (50 ksi ) Check Brace Compression Capacity (AISI C4.6) – P = F ( 0.5 H) S Cos a = COD kips / brace WALL BRACING P„ IL1I� = 0.20 kips / brace > P [Satisfactory] Where Ck = 1.8 Ae = 0.443 In (SSMA page 6-7, ICBO ER -4943P) r = 0.6 In (SSMA page 6-7, ICBO ER- 4943P) E = 29500 ksi (AISI pg 18) F =i'E /(KL /r,) 1 ksl F, = 50 ksl ao = (F, / Fe)o.s = 7.42 0.6582!F, , for 451.5 F.= 0.77 0.8 ksl F,y f o r 2 > 1.5 P„ =A 0.35 kips / brace NOTE : THE LATERAL LOADS MAY BE REDUCED BY 0.75 PER AISI APPENDIX A.4.1.2 . Technical References: 1. AISI STANDARD, 2001 Edition. American Iron and Steel Institute. 2. SSMA, Product Technical Information, ICBO ER- 4943P, Steel Stud Manufactures Association, 2001. THORSON BAKER & Associates, Inc. • '4, Project No: Sheet No: Consulting Engineers - �-y� ®� Project: t P + Q 041 'S"f Date: ®® Project Site: Prepared By: 46 ,. 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L._ ._.1.__._i____. .1__ ____1..___ ..___i____.,4_____I____ , . t . 1 1 i ;1 1 -.1-. 1_ I _ I t T „___ , _, .....; i t---1 1 -1------1- --r-i- 1 —i , • --r ---f--- -i 1. 4 .L.......1_....1_ . _1 1_ ...1 _' 1 1 .1i111 L-----4— I.— -,---- 1 ' ----i. ---1 1 I 1 I • ---- ----- --- _ ! _1 1 i I 1 1 ! t ! _i_ __T I t f _. --1-- E F - 7 - , 1 i I 1 i i I iIIIIIIII!:!iiiiill 1 `153 2 Vue.„0 1.1, S - Rct 130020 if - oo zC 2_ MEC_2-01[ —r0 5(07 ri COMcheck Software Version 3.9.0 RECEIVED �1 I nterior Lighting Compliance DEC 9 2011 . 1111.111 Certificate CITY OFTIGARD BUILDING DIVISION Oregon Energy Efficiency Specialty Code Section 1: Project Information Project Type: Alteration Project Title : The Body Shop .. Construction Site: Owner /Agent: Designer /Contractor: Washington Square KLH Engineers 9532 SW Washington Square Rd. 1538 Alexandria Pike 97223 Suite 11 Ft. Thomas, KY 41075 Section 2: Interior Lighting and Power Calculation A B C D Area Category Floor Area Allowed Allowed Watts (ft2) Watts / ft2 (B x C) Retail:Sales Area (Ceiling Height 11 ft.) 1125 1.5 1688 Allowance: Furniture, clothing, cosmetics highlighting / Fix ID: S 75(a) 1.4 80(b) Allowance. Furniture, clothing, cosmetics highlighting / Fix. ID: T 75(a) 1.4 80(b) y . Allowance: Furniture, clothing, cosmetics highlighting / Fix. ID: P1, P2, P3 60(a) 1.4 84(b) Allowance: Furniture, clothing, cosmetics highlighting / Fix ID: N 300(a) 1.4 420(b) ^ft Allowance: Furniture, clothing, cosmetics highlighting / Fix. ID. N 400(a) 1.4 560(b) Allowance: Furniture, clothing, cosmetics highlighting / Fix. ID: R 15(a) 1.4 21(b) Common Space Types.Active Storage: Exempt (Ceiling Height 12 ft.) Common Space Types:Restrooms: Exempt (Ceiling Height 8 ft.) Total Allowed Watts = 2933 (a) Area claimed may exceed total floor area when Retail Merchandise Highlighting allowance(s) are specified. (b) Allowance is (B x C) or the actual wattage of the fixtures given in Section 2, whichever is less. (e) Additional controls /switching allowances are based on number of fixtures or wattage controlled, not floor area of allowance. Area Category Exemption Qualifications Total Wattage Total Pre -Alt. # Fixtures Activity Area Pre -Alt. Post -Alt. Fixtures Repl. /Added Common Space Types:Active Storage (247 sq.ft.): Exemption: Less 520 520 8 0 than 10% fixture replacement. Common Space Types:Restrooms (52 sq.ft.): Exemption. Less than 32 32 1 0 10% fixture replacement. Section 3: Interior Lighting Fixture Schedule A B C D E Fixture ID : Description I Lamp / Wattage Per Lamp / Ballast Lamps/ # of Fixture (C X D) Fixture Fixtures Watt. Retail:Sales Area (1125 sq.ft.) �� Incandescent 1. S: DOWNLIGHT / Incandescent 75W 1 20 20 400 Incandescent 1 copy 1: T: ADJUSTABLE DOWNLIGHT / Incandescent 50W 1 2 20 40 Incandescent 1 copy 1: S: SF DOWNLIGHT / Incandescent 75W 1 4 20 80 4 Incandescent 1 copy 2: T: SF ADJUSTABLE DOWNLIGHT / Incandescent 50W 1 4 20 80 -- Incandescent 1 copy 2. U: EM DOWNLIGHT / Incandescent 75W 1 4 20 80 Track lighting 1: P1, P2, P3: DECORATIVE PENDANTS Wattage based on current 0 0 0 600 limiting device capacity Project Title: The Body Shop Report date: 12/02/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 1 of Track lighting 2 copy 1: N: PERIMETER TRACK LTG Wattage based on current limiting 0 0 0 480 device capacity Track lighting 2 copy 2. N: PERIMETER TRACK LTG Wattage based on current limiting 0 0 0 600 device capacity Incandescent 6: R: MIRROR FIXTURE / Incandescent 150W 1 2 150 300 Common Space Types:Active Storage (247 sq.ft.): Exempt Common Space Types:Restrooms (52 sq.ft.): Exempt Total Proposed Watts = 2660 Section 4: Requirements Checklist In the following requirements, the relevant code section reference is shown in f ]. ' +' denotes that more details exist in the specified code section. Checkboxes identify requirements that the applicant has not acknowledged as being met. Check marked requirements identify those the applicant acknowledges are met or excepted from compliance. 'Plans reference page /section' identifies where in the plans/specs the requirement can be verified as being satisfied. Lighting Wattage: • 1. [505.1 +] Total proposed watts must be less than or equal to total allowed watts. Allowed Wattage: 2933 Proposed Wattage: 2660 Complies: YES Mandatory Requirements: • 2. [505.4] Exit signs Internally illuminated exit signs shall not exceed 5 watts per side. Plans reference page /section: E1.4 • 3. [505.2 2 3 +] Daylight zone control All daylight zones are provided with individual controls that control the lights independent of general area lighting in the non - daylight zone. In all individual daylight zones larger than 350 sq.ft., automatic daylight controls is provided. Automatic daylight sensing controls reduce the light output of the controlled luminaires at least 50 percent, and provide an automatic OFF control, while maintaining a uniform level of illumination. Contiguous daylight zones adjacent to vertical fenestration may be controlled by a single controlling device provided that they do not include zones facing more than two adjacent cardinal orientations (i.e., north, east, south, west). Daylight zones under skylights shall be controlled separately from daylight zones adjacent to vertical fenestration. Plans reference page/section. N/A gtr 4. [505.2.1 +] Interior lighting controls. At least one local shutoff lighting control has been provided for every 2,000 square feet of lit floor area and each area enclosed by walls or floor - to-ceiling partitions. The required controls are located within the area served by the controls or are a remote switch that identifies the lights served and indicates their status. Plans reference page /section: • 5. [505.2.3 +] Sleeping unit controls. Master switch at entry to hotel /motel guest room. Plans reference page /section: N/A id 6. [505.2.1 1] Egress lighting. Egress illumination is controlled by a combination of listed emergency relay and occupancy sensors to shut off during penods that the building space served by the means of egress is unoccupied. Plans reference page /section: E1.2 ra 7. [505.2.2 +] Additional controls. Each area that is required to have a manual control shall have additional controls that meet the requirements of Sections 505.2 2.1 and 505.2.2.2 Plans reference page /section: E1.2, E1.4 8. [505.2 2 1 +] Light reduction controls. Each space required to have a manual control also allows for reducing the connected lighting load by at least 50 percent by either 1) controlling (dimming or multi -level switching) all luminaires; or 2) dual switching of alternate rows of luminaires, alternate luminaires, or alternate lamps; or 3) switching the middle lamp luminaires independently of other lamps; or 4) switching each luminaire or each lamp. Plans reference page /section: E1.2, E1.4 9. [505.2.2.2] Buildings larger than 2,000 square feet are equipped with an automatic control device to shut off lighting in those areas. This automatic control device shall function on either: 1) a scheduled basis, using time -of -day, with an independent program schedule that controls the interior lighting in areas that do not exceed 10,000 square feet and are not more than one floor; or 2) an occupant sensor that shall turn lighting off within 30 minutes of an occupant leaving a space; or 3) a signal from another control or alarm system that indicates the area is unoccupied. Plans reference page /section: E1.2, E1.4 Project Title: The Body Shop Report date: 12/02/11 Data filename: G:1 1 1 000 - 1 1 999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 2 of • 10.[505.2.2] Occupancy sensors in rooms that include daylight zones are required to have Manual ON activation. Plans reference page /section: N/A • 11.[505.2.2] An occupant sensor control device is installed that automatically turns lighting off within 30 minutes of all occupants leaving a space. Plans reference page /section: E1.2, E1.4 • 12.[505.2.2] Additional controls. An occupant sensor control device that automatically turns lighting off within 30 minutes of all occupants leaving a space or a locally activated switch that automatically turns lighting off within 30 minutes of being activated is installed in all storage and supply rooms up to 1000 square feet. Plans reference page /section: N/A • 13.[505.2.2.2.1] Occupant override. Automatic lighting shutoff operating on a time - of-day scheduled basis incorporates an override switching device that: 1) is readily accessible, 2) is located so that a person using the device can see the lights or the area controlled by that switch, or so that the area being lit is annunciated, 3) is manually operated, 4) allows the lighting to remain on for no more than 2 hours when an override is initiated, and 5) controls an area not exceeding 2,000 square feet. Plans reference page /section: E1.2, E1.4 14.[505 2.2.2.2] Holiday scheduling. Automatic lighting shutoff operating on a time -of -day scheduled basis has an automatic holiday scheduling feature that turns off all loeds for at least 24 hours, then resumes the normally scheduled operation. Plans reference page /section: E1.2, E1.4 ❑ 15.[505.2 4 +] Extenor lighting controls. Lighting not designated for dusk - to-dawn operation shall be controlled by either a combination of a photosensor and a time switch, or an astronomical time switch. Lighting designated for dusk -to -dawn operation shall be controlled by an astronomical time switch or photosensor. Plans reference page /section: N/A • 16.[505.3] Tandem wiring. The following luminaires located within the same area shall be tandem wired: 1. Fluorescent luminaires equipped with one, three or odd - numbered lamp configurations, that are recess - mounted within 10 feet center -to- center of each other. 2. Fluorescent luminaires equipped with one, three or any odd - numbered lamp configuration, that are pendant- or surface- mounted within 1 foot edge- to -edge of each other. Plans reference page /section: N/A 17. [505.5 1 +] Medical task lighting or art/history display lighting claimed to be exempt from compliance has a control device independent of the control of the nonexempt lighting. Plans reference page /section: N/A • 18.[505.7 +] Each dwelling unit in a building is metered separately. Plans reference page /section: Interior. Li • htin ! PASSES ..__� .. � •—, •• ` � _ � . _. _ =.� W _ Y__�__ . - Section 5: Compliance Statement Compliance Statement: The proposed lighting design represented in this document is consistent with the building plans, specifications and other calculations submitted with this permit application. The proposed lighting system has been designed to meet the Oregon Energy Efficiency Specialty Code requirements in COMcheck Version 3.9.0 and to comply with the mandatory requirements in the Requirements Checklist 64 Robert A. Heil, PE, LC Name - Title Signature ate Project Title: The Body Shop Report date: 12/02/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 3 of r • < COM check Software Version 3.9.0 RECEIVED Mecha Comp Certificalec 9 2011 CITY O TIGARD BUILDING DIVISION Oregon Energy Efficiency Specialty Code Section 1: Project Information Project Type: Alteration Project Title : Construction Site: Owner /Agent: Designer /Contractor: Section 2: General Information Building Location (for weather data): Portland, Oregon Climate Zone. 4c Section 3: Mechanical Systems List Quantity System Type 8 Description 1 HVAC System 1 (Multiple -Zone) : Heating: 1 each - Unit Heater, Unknown, Capacity Unknown Cooling: 1 each - Other, Capacity Unknown Section 4: Requirements Checklist In the following requirements, the relevant code section reference is shown in [ J. ' +' denotes that more details exist in the specified code section. Checkboxes identify requirements that the applicant has not acknowledged as being met. Check marked requirements identify those the applicant acknowledges are met or excepted from compliance. 'Plans reference page /section' identifies where in the plans/specs the requirement can be verified as being satisfied. Requirements Specific To: HVAC System 1 : • 1. [503.2.6 +] Energy recovery ventilation systems. Individual fan systems that have both a design supply air capacity of 5,000 cfm or greater and a minimum outside air supply of 70 percent or greater of the design supply air quantity have an energy recovery system. Exception(s): L] Where energy recovery systems are prohibited by the International Mechanical Code. Systems serving spaces that are not cooled and are heated to less than 60 °F. ❑ Where more than 60 percent of the outdoor heating energy is provided from site- recovered or site solar energy. [) Type 1 kitchen exhaust hoods. ❑ Cooling systems in climates with a 1- percent cooling design wet -bulb temperature less than 64 °F (18 °C). [[ Systems requiring dehumidification that employ series -style energy recovery coils wrapped around the cooling coil when the evaporative coil is located upstream of the exhaust air stream. ❑ Systems exhausting toxic, flammable, paint exhaust, corrosive fumes, or dust. L[ Laboratory fume hood systems that include qualifying features. Plans reference page /section: ❑ 2. [503.4] Complex Systems. Mechanical systems not covered by section 503.3 comply to sections 503.4.1 - 503.4.6. Plans reference page /section ❑ 3 [503.4.2 +] Variable air volume fan control. Individual VAV fans with motors of 10 hp or greater are driven /controlled in the manner specified by this section. Plans reference page /section: Project Title: Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 1 of 13 ❑ 4. [503.4.3 +] Hydronic systems controls. The heating of fluids that have been previously mechanically cooled and the cooling of fluids that have been previously mechanically heated are limited in accordance with Sections 503.4.3.1 through 503.4.3.3 Plans reference page /section: ❑ 5. [503.4.3.1] Three -pipe system. Hydronic systems that use a common return system for both hot water and chilled water are not installed. Plans reference page /section: ❑ 6. [503.4 3.2 +] Two-pipe changeover system. Systems that use a common distribution system to supply both heated and chilled water are designed to allow a dead band between changeover from one mode to the other; are provided with controls that will allow operation in one mode for at least 4 hours before changing over to the other mode; and are provided with controls that allow heating and cooling supply temperatures at the changeover point. Plans reference page /section: ❑ 7. [503.4.3.3] Hydronic (water loop) heat pump systems Hydronic heat pump systems comply with Sections 503.4.3.3.1 through 503.4.3.3.3. Plans reference page /section: ❑ 8. [503.4.3 3 1] Temperature dead band. Hydronic heat pumps connected to a common heat pump water loop with central devices for heat rejection and heat addition have controls that are capable of providing a heat pump water supply temperature dead band of at least 20 °F between initiation of heat rejection and heat addition by the central devices. Exception(s): ❑ Where a system loop temperature optimization controller is installed and can determine the most efficient operating temperature based on realtime conditions of demand and capacity, dead bands of less than 20 °F shall be permitted. Plans reference page /section. ❑ 9. [503 4.3.6 +] Heating and Cooling Water Pump Control. Water circulation systems serving heating coil(s) or cooling coil(s) have controls that lock out pump operation when there is no demand. The pumps will shut off based on the outside air lock out temperatures. Exception(s): ❑ Industrial process and humidity control process ❑ Hot water reheat for terminal units. Plans reference page /section: ❑ 10. [503 4.5 +] Requirements For Complex Mechanical Systems Serving Multiple Zones. Complex systems serving multiple zones comply with Sections 503.4 5.1 through 503.4.5.4 Additionally, supply air systems serving multiple zones are VAV systems which are designed and capable of being controlled to reduce primary air supply to each zone, the volume of air that is reheated /recooled /mixed in peak heating demand, and modulate airflow between deadband and full heating /cooling. Exception(s): [[ Zones where special pressurization relationships or cross - contamination requirements are such that VAV systems are impractical • Zones or supply air systems where at least 75 percent of the energy for reheating or for providing warm air in mixing systems is provided from a site - recovered or site -solar energy source. ❑ Zones where special humidity levels are required to satisfy process needs. ❑ Zones with a peak supply air quantity of 300 cfm or less and where the flow rate is less than 10 percent of the total fan system supply airflow rate. ❑ Zones where the volume of air to be reheated, recooled or mixed is no greater than the volume of outside air required to meet requirements of IMC. ❑ Zones or supply air systems with thermostatic and humidistatic controls capable of operating in sequence the supply of heating and cooling energy to the zone(s) and which are capable of preventing reheating, recooling, mixing or simultaneous supply of air that has been previously cooled. Plans reference page /section: ❑ 11. [503.4 5.1] Single duct variable air volume (VAV) systems, terminal devices. Single duct VAV systems use terminal devices capable of reducing the supply of primary supply air before reheating or recooling takes place. Plans reference page /section: Ml • 1 ❑ 12. [503.4.5.3 +] Supply -air temperature reset controls. HVAC systems serving multiple zones, including Dedicated Outside Air Systems include controls that automatically reset the supply -air temperature in response to representative building loads, or to outdoor air temperature. Exception(s): ❑ Systems that prevent reheating, recooling or mixing of heated and cooled supply air. Project Title: Report date: 11/30/11 Data filename' G:\ 11000 - 11999 \11800 -11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 2 of 13 O 75 percent of the energy for reheating is from site - recovered or site solar energy sources. Plans reference page /section: Generic Requirements: Must be met by all systems to which the requirement is applicable: • 1. [503.2 1 +] Calculation of heating and cooling loads Design loads are determined in accordance with the procedures described in the ASHRAE /ACCA Standard 183. Alternatively, design loads have been determined by an approved equivalent computation procedure. 0 2. [503.2.2 +] Equipment and system sizing. Heating and cooling equipment and systems capacity do not exceed the loads calculated in accordance with Section 503.2.1. Exception(s): l] Required standby equipment and systems provided with controls and devices that allow such systems or equipment to operate automatically only when the primary equipment is not operating. u Multiple units of the same equipment type with combined capacities exceeding the design load and provided with controls that have the capability to sequence the operation of each unit based on load. Plans reference page /section: O 3. [503.2.3 +] HVAC Equipment Performance Requirements. Reported efficiencies have been tested and rated in accordance with the applicable test procedure. The efficiency has been verified through certification under an approved certification program or, if no certification program exists, the equipment efficiency ratings are supported by data furnished by the manufacturer. ❑ 4. [503.2.4.1 +] Thermostatic Controls. The supply of heating and cooling energy to each zone is controlled by individual thermostatic controls that respond to temperature within the zone. Plans reference page /section: M1 • 1 ❑ 5 [503.2 4.1.1] Heat pump supplementary heat. Heat pumps having supplementary electric resistance heat have controls that, except during defrost, prevent supplementary heat operation when the heat pump can meet the heating load. Plans reference page /section: • 6. [503.2.4.2] Set point overlap restnction. Where used to control both heating and cooling, zone thermostatic controls provide a temperature range or deadband of at least 5 °F (2.8 °C) within which the supply of heating and cooling energy to the zone is capable of being shut off or reduced to a minimum. Exception(s): • Thermostats requiring manual change over between heating and cooling modes Plans reference page /section. • 7. [503.2.4 3] Optimum Start Controls. Each HVAC system has controls that vary the start-up time of the system to just meet the temperature set point at time of occupancy. Plans reference page /section: ❑ 8. [503 2.4.4 +] Off -hour controls. Each zone is provided with thermostatic setback controls that are controlled by either an automatic time clock or programmable control system. Exception(s): J Zones that will be operated continuously. O Zones with a full HVAC load demand not exceeding 6,800 Btu /h (2 kW) and having a readily accessible manual shutoff switch. Plans reference page /section: Ml • 1 ❑ 9. [503.2.4.5 +] Shutoff damper controls. Both outdoor air supply and exhaust are equipped with not less than Class I motorized dampers. Exception(s): • Gravity dampers shall be permitted for outside air intake or exhaust airflows of 300 cfm or less. Plans reference page /section: l] 10 [503.2.4.6 +] Freeze Protection and Snow melt system controls. Freeze protection systems, such as heat tracing of outdoor piping and heat exchangers, including self - regulating heat tracing, include automatic controls capable of shutting off the systems when outdoor air temperatures meet code criteria. Plans reference page /section: O 11. [503.2.4.8] Separate air distribution systems. Zones with special process temperature requirements and /or humidity requirements are served by separate air distribution systems from those serving zones requiring only comfort conditions; or shall include supplementary control provisions so that the primary systems may be specifically controlled for comfort purposes only. Exception(s): ❑ [503 2.4 8 +] Zones requiring only comfort heating or comfort cooling that are served by a system primanly used for process temperature and humidity control. Project Title: Report date: 11/30/11 Data filename. G:\ 11000 - 11999 \11800 -11899 \11825 \BODY SHOP - WASHINGTON SQUARE cck Page 3 of 13 i • Plans reference page /section. D 12. [503.2 4.9] Humidity control. If a system is equipped with a means to add or remove moisture to maintain specific humidity levels in a zone or zones, a humidity control device is provided. Plans reference page /section: • 13. [503.2 4.9.2] Humidity control. Where a humidity control device exists it is set to maintain a deadband of at least 10% relative humidity where no active humidification or dehumidification takes place. Exception(s): u Heating for dehumidification is provided with heat recovery or heat pumping and the mechanical cooling system efficiency is 10 percent higher than required in section 503.2.3, HVAC equipment performance requirements. Plans reference page /section: Li 14. [503.2.5] Ventilation. Ventilation, either natural or mechanical, is provided in accordance with Chapter 4 of the International Mechanical Code. Where mechanical ventilation is provided, the system has the capability to reduce the outdoor air supply to the minimum required by Chapter 4 of the International Mechanical Code. Plans reference page/section Ml • 1 • 15. [503.2.5.1 +] Demand controlled ventilation (DCV). DCV is required for spaces larger than 500 ft2 for simple systems and spaces larger than 150 ft2 for multiple zone systems. Exception(s): [[ Systems with energy recovery complying with Section 503.2 6 Li Spaces less than 750 ft2 (69.7 m2) where an occupancy sensor turns the fan off, closes the ventilation damper, or closes the zone damper when the space is unoccupied Plans reference page /section: ▪ 16. [503.2.5.2 +] Kitchen hoods. Kitchen makeup is provided as required by the Oregon Mechanical Specialty Code. Exception(s): Li Where hoods are used to exhaust ventilation air that would otherwise be exhausted by other fan systems. Kitchen exhaust systems that include exhaust air energy recovery complying with section 503.2.6. Plans reference page /section: • 17. [503.2.5 3 +] Enclosed parking garage ventilation controls. In Group S -2, enclosed parking garages used for storing or handling automobiles employs automatic carbon monoxide sensing devices. Plans reference page /section: • 18. [503.2.7 +] Duct and plenum insulation and sealing. All supply and retum air ducts and plenums are insulated with the specified insulation. When located within a building envelope assembly, the duct or plenum is separated from the building exterior or unconditioned or exempt spaces by a minimum of R -8 insulation. All ducts, air handlers and filter boxes are sealed. Joints and seams comply with Section 603.9 of the International Mechanical Code. Exception(s): [[ When located within equipment. • When the design temperature difference between the intenor and extenor of the duct or plenum does not exceed 15 °F (8 °C). Li 19 [503.2.7.1.1 +] Low - pressure duct systems. All longitudinal and transverse joints, seams and connections of low- pressure supply and return ducts are securely fastened and sealed with welds, gaskets, mastics (adhesives), mastic -plus- embedded - fabric systems or tapes installed in accordance with the manufacturer's installation instructions. Exception(s): • Continuously welded and locking -type longitudinal joints and seams on ducts operating at static pressures less than 2 inches w.g pressure classification. Plans reference page /section: M1 . 1 • 20. [503.2.7.1.2 +] Medium - pressure duct systems. All ducts and plenums designed to operate medium - pressure are insulated and sealed in accordance with Section 503.2.7. Pressure classifications specific to the duct system are clearly indicated on the construction documents. Plans reference page /section: • 21. [503 2.7.1 3 +] High - pressure duct systems. Ducts designed to operate at high - pressure are insulated and sealed in accordance with Section 503.2.7. In addition, ducts and plenums are leak- tested in accordance with the SMACNA HVAC Air Duct Leakage Test Manual. Plans reference page /section: Project Title: Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 -11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 4 of 13 O 22. [503.2.8 +] Piping Insulation. All pipes serving space - conditioning systems (hot water piping for heat systems, chilled water, refrigerant, • and brine piping systems, and steam piping) are insulated as specified by this section. Exception(s): O Pipe insulation is not required for factory- installed piping within HVAC equipment. 0 Pipe insulation is not required for piping that conveys fluids having a design operating temperature range between 60 °F and 105 °F. O Piping within room fan -coil (with AHRI440 rating) and unit ventilators (with AHRI840 rating). O Pipe insulation is not required for runout piping not exceeding 4 ft in length and 1 in. in diameter between the control valve and HVAC coil. ❑ 23. [503.2.9.1 +] Air system balancing. Each supply air outlet and zone terminal device is equipped with means for air balancing in accordance with the requirements of IMC 603.17. Discharge dampers intended to modulate airflow are prohibited on constant volume fans and variable volume fans with motors 10 horsepower. Plans reference page /section: M1 • 1 O 24. [503.2 9 2] Hydronic system balancing. Individual hydronic heating and cooling coils are equipped with means for balancing and pressure test connections. Plans reference page /section: ❑ 25. [503.2.9.3 +] Manuals. The construction documents require that an operating and maintenance manual be provided to the building owner by the mechanical contractor. See long description for specifications Plans reference page /section: • 26. [503.2.10 +] Air System Design and Control Each HVAC system having a total fan system motor nameplate hp exceeding 5 hp meets the provisions of Sections 503.2.10.1 through 503.2.10.2 Plans reference page /section: ❑ 27 [503.2.10.1 +] Allowable fan floor horsepower. Each HVAC system at fan system design conditions does not exceed the allowable fan system motor nameplate hp (Option 1) or fan system bhp (Option 2) as shown and calulated in requirement details. Exception(s): ❑ Hospital and laboratory systems that utilize flow control devices on exhaust and /or return to maintain space pressure relationships necessary for occupant health and safety or environmental control shall be permitted to use variable volume fan power limitation. O Individual exhaust fans with motor nameplate horsepower of 1 hp or less Plans reference page /section: ❑ 28. [503.2.10.2 +] Motor nameplate horsepower. For each fan, the selected fan motor is no larger than the first available motor size greater than the brake horsepower (bhp). Exception(s): For fans less than 6 bhp, where the first available motor larger than the brake horsepower has a nameplate rating within 50 percent of the bhp, selection of the next larger nameplate motor size is allowed. • For fans 6 bhp and larger, where the first available motor larger than the bhp has a nameplate rating within 30 percent of the bhp, selection of the next larger nameplate motor size is allowed. Plans reference page /section: O 29. [503.2 10 3.1] Large Volume Fan Systems. Fan systems over 8,000 (7 m3 /s) cfm without direct expansion cooling coils that serve single zones reduce airflow based on space thermostat heating and cooling demand A two-speed motor or variable frequency drive reduces airflow to a maximum 60 percent of peak airflow or minimum ventilation air requirement as required by Chapter 4 of the International Mechanical Code, whichever is greater. Exception(s): ❑ Systems where the function of the supply air is for purposes other than temperature control, such as maintaining specific humidity levels or supplying an exhaust system. Plans reference page /section: 0 30. [503.2 10.4] Series fan - powered terminal unit fan motors Fan motors for series fan - powered terminal units are electronically- commutated motors and have a minimum motor efficiency of 70 percent when rated in accordance with NEMA Standard MG 1 -2006 at full load rating conditions Plans reference page /section: O 31. [503.2 11] Heating outside a building. Systems installed to provide heat outside a building are radiant systems Such heating systems are controlled by an occupancy sensing device or a timer switch, so that the system is automatically deenergized when no occupants are present. Plans reference page /section: Project Title: Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 5 of 13 • 32. [503.2.12] Hot Gas Bypass Limitation. For cooling systems <= 240 kBtu/h, maximum hot gas bypass capacity is no more than 50% • total cooling capacity. Plans reference page /section: Section 5: Compliance Statement Compliance Statement: The proposed mechanical alteration project repre • nted I this document is consistent with the building plans, • specifications and other calculations submitted with this permit appli.:: A he proposed mechanical alteration project has been designed to meet the Oregon Energy Efficiency Specialty Code, Chapter 8, req . 4'. in CO check Version 3.9.0 and to comply with the mandatory requirements in the Requirements Checklist. % f Robert A. Lonnemann, P.E. Name - Title Si. re Date Section 6: Post Construction Compliance Statement • HVAC record drawings of the actual installation, system capacities, calibration information, and performance data for each equipment provided to the owner. D HVAC O&M documents for all mechanical equipment and system provided to the owner by the mechanical contractor. O Written HVAC balancing and operations report provided to the owner. The above post construction requirements have been completed. Principal Mechanical Designer -Name Signature Date — Project Title: R � - Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SOUARE.cck Page 6 of 13 •.r• 7. COMcheck Software Version 3.9.0 Mechanical Requirements Description Oregon Energy Efficiency Specialty Code The following list provides more detailed descriptions of the requirements in Section 4 of the Mechanical Compliance Certificate. Requirements Specific To: HVAC System 1 : 1. [503.2.6] Energy recovery ventilation systems Individual fan systems that have both a design supply air capacity of 5,000 cfm (2.36 m3 /s) or greater and a minimum outside air supply of 70 percent or greater of the design supply air quantity shall have an energy recovery system that provides a change in the enthalpy of the outdoor air supply of 50 percent or more of the difference between the outdoor air and return air at design conditions. Provision shall be made to bypass or control the energy recovery system to permit cooling with outdoor air where cooling with outdoor air is required. Where a single room or space is supplied by multiple units, the aggregate supply (cfm) of those units shall be used in applying this requirement. Exception(s): - Where energy recovery systems are prohibited by the International Mechanical Code. - Systems serving spaces that are not cooled and are heated to less than 60 °F (15.5 °C). - Where more than 60 percent of the outdoor heating energy is provided from site - recovered or site solar energy. - Type 1 kitchen exhaust hoods. - Cooling systems in climates with a 1- percent cooling design wet -bulb temperature less than 64F (18C). - Systems requiring dehumidification that employ series -style energy recovery coils wrapped around the cooling coil when the evaporative coil is located upstream of the exhaust air stream. - Systems exhausting toxic, flammable, paint exhaust, corrosive fumes, or dust. - Laboratory fume hood systems that include at least one of the following features. 1) Variable- air - volume hood exhaust and room supply systems that reduce exhaust and makeup air volume to 50 percent or less of design values dunng periods of reduced occupancy or system demand or 2) Vanable- air - volume hood exhaust and room supply systems that reduce exhaust and makeup air volume and /or incorporate a heat recovery system to precondition makeup air from laboratory exhaust shall meet the following: A + B'(E /M) = 50% Where: A = Percentage that the exhaust and makeup air flow rates will be reduced from design conditions. B = Percentage sensible heat recovery effectiveness E = Exhaust airflow rate through the heat recovery device at design conditions M = Makeup air flow rate of the system at design conditions, or 3) Direct makeup (auxiliary) air supply equal to at least 75 percent of the exhaust rate, heated no warmer than 2 °F (1.1°C) below room setpoint, cooled to no cooler than 3 °F (1.7 °C) above room setpoint, no humidification added, and no simultaneous heating and cooling used for dehumidification control. 2. [503.4] Complex Systems. Mechanical systems not covered by section 503.3 must comply to sections 503.4.1 - 503.4 6. 3. [503.4 2] Venable air volume (VAV) fan control Individual VAV fans with motors of 10 horsepower (7.5 kW) or greater shall be: 1. Driven by a mechanical or electrical variable speed dnve; or 2. The fan motor shall have controls or devices that will result in fan motor demand of no more than 30 percent of their design wattage at 50 percent of design airflow when static pressure set point equals one -third of the total design static pressure, based on manufacturer's certified fan data. For systems with direct digital control of individual zone boxes reporting to the central control panel, the static pressure set point shall be reset based on the zone requiring the most pressure, i e., the set point is reset lower until one zone damper is nearly wide open. 4. [503.4.3] Hydronic systems controls. The heating of fluids that have been previously mechanically cooled and the cooling of fluids that have been previously mechanically heated shall be limited in accordance with Sections 503.4.3.1 through 503.4.3.3. Hydronic heating systems comprised of multiple - packaged boilers and designed to deliver conditioned water or steam into a common distribution system shall include automatic controls capable of sequencing operation of the boilers. Hydronic heating systems comprised of a single boiler and greater than 500,000 Btu/h input design capacity shall include either a multistaged or modulating bumer. 5 [503.4.3.1] Three -pipe system. Hydronic systems that use a common return system for both hot water and chilled water are prohibited. Project Title Report date 11/30/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 7 of 13 6. [503.4.3.2] Two -pipe changeover system. Systems that use a common distribution system to supply both heated and chilled water shall be designed to allow a dead band between changeover from one mode to the other of at least 15 °F (8.3 °C) outside air temperatures; be designed to and provided with controls that will allow operation in one mode for at least 4 hours before changing over to the other mode; and be provided with controls that allow heating and cooling supply temperatures at the changeover point to be no more than 30 °F (16.7 °C) apart. 7. [503.4.3.3] Hydronic (water loop) heat pump systems. Hydronic heat pump systems shall comply with Sections 503.4.3.3.1 through 503 4.3.3.3. r 8. [503 4.3.3.1] Temperature dead band. Hydronic heat pumps connected to a common heat pump water loop with central devices for heat rejection and heat addition shall have controls that are capable of providing a heat pump water supply temperature dead band of at least 20 °F (11.1°C) between initiation of heat rejection and heat addition by the central devices. Exception(s): - Where a system loop temperature optimization controller is installed and can determine the most efficient operating temperature based on realtime conditions of demand and capacity, dead bands of less than 20 °F (11°C) shall be permitted. 9. [503.4.3.6] Heating and Cooling Water Pump Control. Water circulation systems serving heating coil(s) or cooling coil(s) shall have controls that lock out pump operation when there is no demand. The pumps shall shut off based on the following outside air lock out temperatures hot water pump whenever outside air temperature is 70 °F or higher, cooling water pump when outside air temperature is 55 °F or lower. Exception(s): - Industrial process and humidity control process - Hot water reheat for terminal units. 10. [503.4 5] Requirements For Complex Mechanical Systems Serving Multiple Zones. Complex systems serving multiple zones must comply with Sections 503.4.5.1 through 503.4.5.4 Additionally, supply air systems serving multiple zones shall be VAV systems which, during periods of occupancy, are designed and capable of being controlled to comply with all of the following: 1) Reduce primary air supply to each zone to one of the following when the zone temperature is in a 5 F (3 C) zone temperature dead band after cooling is no longer required and before reheating, recooling or mixing takes place: 1 1) 20 percent of the maximum supply air to each zone, or 1.2) 300 cfm (142 Us) or less where the maximum flow rate is less than 10 percent of the total fan system supply airflow rate, or 1.3) The minimum ventilation requirements of Chapter 4 of the International Mechanical Code unless increasing the volume to cntical zones (zones with the highest ratio of outside air to total supply air) beyond the minimum ventilation requirements results in a decrease in overall outside air required by the HVAC system. An increase beyond minimum ventilation rates shall not be applied to more than 20 percent of the zones with reheat. 2) The volume of air that is reheated, recooled, or mixed in peak heating demand shall be less than 50 percent of the zone design peak supply rate 3) Airflow between dead band and full heating or full cooling shall be modulated. Exception(s): - Zones where special pressurization relationships or cross - contamination requirements are such that VAV systems are impractical. - Zones or supply air systems where at least 75 percent of the energy for reheating or for providing warm air in mixing systems is provided from a site - recovered or site -solar energy source. - Zones where special humidity levels are required to satisfy process needs. - Zones with a peak supply air quantity of 300 cfm (142 Us) or less and where the flow rate is less than 10 percent of the total fan system supply airflow rate. - Zones where the volume of air to be reheated, recooled or mixed is no greater than the volume of outside air required to meet the minimum ventilation requirements of Chapter 4 of the International Mechanical Code. - Zones or supply air systems with thermostatic and humidistatic controls capable of operating in sequence the supply of heating and cooling energy to the zone(s) and which are capable of preventing reheating, recooling, mixing or simultaneous supply of air that has been previously cooled, either mechanically or through the use of economizer systems, and air that has been previously mechanically heated. 11. [503.4.5.1] Single duct variable air volume (VAV) systems, terminal devices. Single duct VAV systems shall use terminal devices capable of reducing the supply of primary supply air before reheating or recooling takes place. 12 [503.4.5.3] Supply -air temperature reset controls. HVAC systems serving multiple zones, including Dedicated Outside Air Systems shall include controls that automatically reset the supply -air temperature in response to representative building loads, or to outdoor air temperature. The controls shall reset the supply air temperature at least 35 percent of the difference between the design supply -air temperature and the design room air temperature. Controls that adjust the reset based on zone humidity control requirements are Project Title. Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 8 of 13 allowed. Zones which are expected to expenence relatively constant loads, such as electronic equipment rooms or interior zones without reheat, shall be designed for the fully reset supply temperature. Exception(s): - Systems that prevent reheating, recooling or mixing of heated and cooled supply air. • - 75 percent of the energy for reheating is from site - recovered or site solar energy sources Generic Requirements: Must be met by all systems to which the requirement is applicable: 1. [503.2.1] Calculation of heating and cooling loads. Design loads shall be determined in accordance with the procedures described in the ASHRAE /ACCA Standard 183. Heating and cooling loads shall be adjusted to account for load reductions that are achieved when energy recovery systems are utilized in the HVAC system in accordance with the ASHRAE HVAC Systems and Equipment Handbook. Alternatively, design loads shall be determined by an approved equivalent computation procedure. 2. [503.2.2] Equipment and system sizing. Heating and cooling equipment and systems capacity shall not exceed the loads calculated in accordance with Section 503.2.1. A single piece of equipment providing both heating and cooling must satisfy this provision for one function with the capacity for the other function as small as possible, within available equipment options. Exception(s): - Required standby equipment and systems provided with controls and devices that allow such systems or equipment to operate automatically only when the primary equipment is not operating. - Multiple units of the same equipment type with combined capacities exceeding the design load and provided with controls that have the capability to sequence the operation of each unit based on load. 3. [503.2.3] HVAC Equipment Performance Requirements. Reported efficiencies must be tested and rated in accordance with the applicable test procedure. The efficiency shall be verified through certification under an approved certification program or, if no certification program exists, the equipment efficiency ratings shall be supported by data furnished by the manufacturer. Where multiple rating conditions or performance requirements are provided, the equipment shall satisfy all stated requirements. Where components, such as indoor or outdoor coils, from different manufacturers are used, calculations and supporting data shall be furnished by the designer that demonstrates that the combined efficiency of the specified components meets the requirements herein. 4. [503.2.4.1] Thermostatic Controls. The supply of heating and cooling energy to each zone shall be controlled by individual thermostatic controls that respond to temperature within the zone. 5. [503.2.4.1.1] Heat pump supplementary heat. Heat pumps having supplementary electric resistance heat shall have controls that, except during defrost, prevent supplementary heat operation when the heat pump can meet the heating load. 6. [503.2.4.2] Set point overlap restriction Where used to control both heating and cooling, zone thermostatic controls shall provide a temperature range or deadband of at least 5 °F (2.8 °C) within which the supply of heating and cooling energy to the zone is capable of being shut off or reduced to a minimum. Exception(s): - Thermostats requiring manual change over between heating and cooling modes. 7. [503.2.4.3] Optimum Start Controls. Each HVAC system shall have controls that vary the start-up time of the system to just meet the temperature set point at time of occupancy. 8. [503.2.4.4] Off-hour controls. Each zone shall be provided with thermostatic setback controls that are controlled by either an automatic time clock or programmable control system. Thermostatic setback controls shall have the capability to set back or temporarily operate the system to maintain zone temperatures down to 55 °F (13 °C) or up to 85 °F (29 °C) Automatic time clock or programmable controls shall be capable of starting and stopping the system for seven different daily schedules per week and retaining their programming and time setting during a loss of power for at least 10 hours Additionally, the controls shall have a manual override that allows temporary operation of the system for up to 2 hours; a manually operated timer capable of being adjusted to operate the system for up to 2 hours; or an occupancy sensor. Exception(s). - Zones that will be operated continuously. - Zones with a full HVAC load demand not exceeding 6,800 Btu/h (2 kW) and having a readily accessible manual shutoff switch 9 [503 2.4.5] Shutoff damper controls. Both outdoor air supply and exhaust shall be equipped with not less than Class I motorized dampers with a maximum leakage rate of 4 cfm per square foot (6.8 Us - C m2) at 1.0 inch water gauge (w g.) (1250 Pa) when tested in accordance with AMCA 500D, that will automatically shut when the systems or spaces served are not in use. Exception(s)' - Gravity dampers shall be permitted for outside air intake or exhaust airflows of 300 cfm (0 14 m3 /s) or less. 10. [503 2.4.6] Freeze Protection and Snow melt system controls. Freeze protection systems, such as heat tracing of outdoor piping and heat exchangers, including self - regulating heat tracing, shall include automatic controls capable of shutting off the systems when outdoor air temperatures are above 40F or when the conditions of the protected fluid will prevent freezing. Snow- and ice - melting Project Title. Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 9 of 13 L r• , systems, supplied through energy service to the building, shall include automatic controls capable of shutting off the system when the pavement temperature is above 50F (10C) and no precipitation is falling and an automatic or manual control that will allow shutoff when the outdoor temperature Is above 40F (4C) so that the potential for snow or ice accumulation is negligible. 11. [503.2.4 8] Separate air distribution systems. Zones with special process temperature requirements and /or humidity requirements shall be served by separate air distribution systems from those serving zones requiring only comfort conditions; or shall include supplementary control provisions so that the primary systems may be specifically controlled for comfort purposes only. Exception(s): - Zones requiring only comfort heating or comfort cooling that are served by a system primarily used for process temperature and humidity control provided that: 1) The total supply air to those comfort zones is no more than 25 percent of the total system supply air, or 2) The total conditioned floor area of the zones is less than 1,000 square feet (90 m2) 12. [503.2.4.9] Humidity control. If a system is equipped with a means to add or remove moisture to maintain specific humidity levels in a zone or zones, a humidity control device shall be provided. 13 [503.2.4 9 2] Humidity control. Where a humidity control device exists it shall be set to maintain a deadband of at least 10% relative humidity where no active humidification or dehumidification takes place. Exception(s): - Heating for dehumidification is provided with heat recovery or heat pumping and the mechanical cooling system efficiency is 10 percent higher than required in section 503.2.3, HVAC equipment performance requirements. 14. [503.2 5] Ventilation. Ventilation, either natural or mechanical, shall be provided in accordance with Chapter 4 of the International Mechanical Code. Where mechanical ventilation is provided, the system shall provide the capability to reduce the outdoor air supply to the minimum required by Chapter 4 of the International Mechanical Code 15. [503.2.5 1] Demand controlled ventilation (DCV). DCV is required for spaces larger than 500 ft2 for simple systems and spaces larger than 150 ft2 for multiple zone systems and with an average occupant load of 25 people or more per 1000 ft2 of floor area (as established in Table 403 3 of the International Mechanical Code) and served by systems with one or more of the following: 1. An air -side economizer; 2. Automatic modulating control of the outdoor air damper; or 3. A design outdoor airflow greater than 3,000 cfm. Exception(s): - Systems with energy recovery complying with Section 503.2.6 - Spaces less than 750 ft2 (69.7 m2) where an occupancy sensor turns the fan off, closes the ventilation damper, or closes the zone damper when the space is unoccupied. 16. [503.2.5.2] Kitchen hoods. Kitchen makeup air shall be provided as required by the Oregon Mechanical Specialty Code. For each kitchen with a total exhaust capacity greater than 5,000 cfm (2360 Us), 50 percent of the required makeup air shall be (a) unheated or heated to no more than 60 °F (15.55 °C), and (b) uncooled or evaporatively cooled. Each kitchen with a total exhaust capacity greater than 5,000 cfm shall be equipped with a demand ventilation system on at least 75 percent of the exhaust and makeup air. Such systems shall be equipped with automatic controls that reduce airflow in response to cooking appliance operation. Exception(s) - Where hoods are used to exhaust ventilation air that would otherwise be exhausted by other fan systems. Air transferred from spaces served by other fan systems may not be used if those systems are required to meet either Sections 503.2.5 1 or 503.2.6. Occupancy schedule of HVAC system supplying transfer air shall be similar to kitchen exhaust hood operating schedule. - Kitchen exhaust systems that include exhaust air energy recovery complying with section 503 2 6. 17. [503.2 5.3] Enclosed parking garage ventilation controls. In Group S -2, enclosed parking garages used for storing or handling automobiles operating under their own power having ventilation exhaust rates 30,000 cfm and greater shall employ automatic carbon monoxide sensing devices These devices shall modulate the ventilation system to maintain a maximum average concentration of carbon monoxide of 50 parts per million during any 8 -hour period, with a maximum concentration not greater than 200 parts per million for a period not exceeding 1 hour. The system shall be capable of producing a ventilation rate of 1.5 cfm per square foot (0.0076 m3 /s - m2) of floor area. Failure of such devices shall cause the exhaust fans to operate in the ON position. 18. [503.2.7] Duct and plenum insulation and sealing. All supply and return air ducts and plenums shall be insulated with a minimum of R -5 insulation when located in unconditioned spaces and a minimum of R -8 insulation when located outside the building. When located within a building envelope assembly, the duct or plenum shall be separated from the building exterior or unconditioned or exempt spaces by a minimum of R -8 insulation. All ducts, air handlers and filter boxes shall be sealed. Joints and seams shall comply with Section 603.9 of the International Mechanical Code Exception(s): - When located within equipment. - When the design temperature difference between the interior and exterior of the duct or plenum does not exceed 15 °F (8 °C). Project Title: Report date: 11/30/11 Data filename G:\ 11000 - 11999 \11800 - 11899 \11825\BODY SHOP - WASHINGTON SQUARE.cck Page 10 of 13 • 19. [503 2.7.1.1] Low - pressure duct systems. All longitudinal and transverse joints, seams and connections of supply and return ducts operating at a static pressure less than or equal to 2 inches w.g. (500 Pa) shall be securely fastened and sealed with welds, gaskets, mastics (adhesives), mastic -plus- embedded -fabric systems or tapes installed in accordance with the manufacturer's installation instructions. Pressure classifications specific to the duct system shall be clearly indicated on the construction documents in accordance with the International Mechanical Code. Documentation shall be furnished by the designer demonstrating that representative sections totaling at least 25 percent of the duct area have been tested and that all tested sections meet the requirements of this section Exception(s): - Continuously welded and locking -type longitudinal joints and seams on ducts operating at static pressures less than 2 inches w.g. (500 Pa) pressure classification. 20. [503.2.7.1.2] Medium - pressure duct systems. All ducts and plenums designed to operate at a static pressure greater than 2 inches w.g. (500 Pa) but less than 3 inches w.g. (750 Pa) shall be insulated and sealed in accordance with Section 503.2.7. Pressure classifications specific to the duct system shall be clearly indicated on the construction documents in accordance with the International Mechanical Code. Documentation shall be furnished by the designer demonstrating that representative sections totaling at least 25 percent of the duct area have been tested and that all tested sections meet the requirements of this section 21 [503.2 7 1.3] High - pressure duct systems. Ducts designed to operate at static pressures in excess of 3 inches w.g. (746 Pa) shall be insulated and sealed in accordance with Section 503.2.7. In addition, ducts and plenums shall be leak- tested in accordance with the SMACNA HVAC Air Duct Leakage Test Manual with the rate of air leakage (CL) less than or equal to 6.0 as determined in accordance with Equation 5 -2. Documentation shall be furnished by the designer demonstrating that representative sections totaling at least 25 percent of the duct area have been tested and that all tested sections meet the requirements of this section. CL = F x P ^(0.65) (Equation 5 -2) where: F = The measured leakage rate in cfm per 100 square feet of duct surface. P = The static pressure of the test. 22. [503.2.8] Piping Insulation. All pipes serving space - conditioning systems must be insulated as follows: Hot water piping for heating systems: 1 5 in. for pipes <= 1.5 in nominal diameter, 2 in. for pipes > 1.5 in. nominal diameter. Chilled water, refrigerant, and brine piping systems: 1.5 in. insulation for pipes <= 1.5 in nominal diameter, 1.5 in. insulation for pipes > 1.5 in. nominal diameter. Steam piping. 1.5 in. insulation for pipes <= 1.5 in. nominal diameter, 3 in. insulation for pipes > 1.5 in. nominal diameter. Exception(s): - Pipe insulation is not required for factory- installed piping within HVAC equipment. - Pipe insulation is not required for piping that conveys fluids having a design operating temperature range between 60 °F and 105 °F. - Piping within room fan -coil (with AHRI440 rating) and unit ventilators (with AHRI840 rating). - Pipe insulation is not required for runout piping not exceeding 4 ft in length and 1 in. in diameter between the control valve and HVAC coil. 23. [503 2.9.1] Air system balancing. Each supply air outlet and zone terminal device shall be equipped with means for air balancing in accordance with the requirements of Chapter 6 of the International Mechanical Code (IMC 603 17) Discharge dampers intended to modulate airflow are prohibited on constant volume fans and variable volume fans with motors 10 horsepower (hp) (7.5 kW) and larger. 24 [503.2 9 2] Hydronic system balancing. Individual hydronic heating and cooling coils shall be equipped with means for balancing and pressure test connections. 25 [503.2.9.3] Manuals. The construction documents shall require that an operating and maintenance manual be provided to the building owner by the mechanical contractor. The manual shall include, at least, the following: 1. Equipment capacity (input and output) and required maintenance actions. 2. Equipment operation and maintenance manuals. 3. HVAC system control maintenance and calibration information, including wrong diagrams, schematics, and control sequence descriptions. Desired or field- determined setpoints shall be permanently recorded on control drawings, at control devices or, for digital control systems, in programming comments. 4. A complete written narrative of how each system is intended to operate. 26. [503.2.10] Air System Design and Control. Each HVAC system having a total fan system motor nameplate horsepower (hp) exceeding 5 horsepower (hp) (3.7 kW) shall meet the provisions of Sections 503 2.10.1 through 503.2.10.2 Project Title. Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 -11899 \11825 \BODY SHOP - WASHINGTON SQUARE.cck Page 11 of 13 11 27. [503.2 10.1] Allowable fan floor horsepower. Each HVAC system at fan system design conditions shall not exceed the allowable fan system motor nameplate hp (Option 1) or fan system bhp (Option 2) as shown in Table 503 2.10.1(1). This includes supply fans, retum/ relief fans, and fan - powered terminal units associated with systems providing heating or cooling capability. Table 503.2.10.1(1) Fan Power Limitation LIMIT CONSTANT VOLUME VARIABLE VOLUME Option 1: Fan system motor nameplate hp Allowable nameplate motor hp hp < CFMS '0.0011 hp < CFMS '0.0015 Option 2: Fan system bhp Allowable fan system bhp bhp < CFMS '0.00094 + A bhp < CFMS *0.0013 + A where: CFMS = The maximum design supply airflow rate to conditioned spaces served by the system in cubic feet per minute hp = The maximum combined motor nameplate horsepower. Bhp = The maximum combined fan brake horsepower. A = Sum of [PD x CFMD / 4131]. where. PD = Each applicable pressure drop adjustment from Table 503.2.10.1(2) in. w.c. Table 503.2.10.1(2) Fan Power Limitation Pressure Drop Adjustment Credits: Fully ducted return and /or exhaust air systems = 0.5 in w.c Return and /or exhaust airflow control devices = 0 5 in w.c Exhaust filters, scrubbers or other exhaust treatment = pressure drop of device calculated at fan system design condition. Particulate filtration credit. MERV 9 thru 12 = 0.5 in w.c. Particulate filtration credit: MERV 13 thru 15 = 0.9 in w.c. Particulate filtration credit: MERV 16 and greater and electronically Enhanced filters = Pressure drop calculated at 2x clean filter pressure drop at fan system design condition. Carbon and other gas -phase air cleaners = Clean filter pressure drop at fan system design condition. Heat recovery device = Pressure drop of device at fan system design condition. Evaporative humidifier /cooler In series with another cooling coil = Pressure drop of device at fan system design conditions Sound attenuation section = 0.15 in w.c. Exhaust system serving fume hoods = 0.35 in. w.c. Laboratory and vivarium exhaust systems in high -rise buildings = 0.25 in w.c /100 ft of vertical duct exceeding 75 feet Exception(s): - Hospital and laboratory systems that utilize flow control devices on exhaust and /or return to maintain space pressure relationships necessary for occupant health and safety or environmental control shall be permitted to use variable volume fan power limitation. - Individual exhaust fans with motor nameplate horsepower of 1 hp (0 7 kW) or less. 28. [503.2.10.2] Motor nameplate horsepower. For each fan, the selected fan motor shall be no larger than the first available motor size greater than the brake horsepower (bhp). The fan brake horsepower (bhp) shall be indicated on the design documents to allow for compliance verification by the code official. Exception(s). - For fans less than 6 bhp, where the first available motor larger than the brake horsepower has a nameplate rating within 50 percent of the bhp, selection of the next larger nameplate motor size is allowed - For fans 6 bhp and larger, where the first available motor larger than the bhp has a nameplate rating within 30 percent of the bhp, selection of the next larger nameplate motor size is allowed. 29. [503.2.10.3.1] Large Volume Fan Systems. Fan systems over 8,000 (7 m3 /s) cfm without direct expansion cooling coils that serve single zones are required to reduce airflow based on space thermostat heating and cooling demand. A two -speed motor or variable frequency drive shall reduce airflow to a maximum 60 percent of peak airflow or minimum ventilation air requirement as required by Chapter 4 of the International Mechanical Code, whichever is greater Exception(s): - Systems where the function of the supply air is for purposes other than temperature control, such as maintaining specific humidity levels or supplying an exhaust system 30. [503 2.10.4] Series fan - powered terminal unit fan motors. Fan motors for series fan - powered terminal units shall be electronically- commutated motors and have a minimum motor efficiency of 70 percent when rated in accordance with NEMA Standard MG 1 -2006 at full load rating conditions. Project Title Report date: 11/30/11 Data filename: G:\ 11000 - 11999 \11800 - 11899 \11825 \BODY SHOP - WASHINGTON SQUARE cck Page 12 of 13 A 31. [503.2.11] Heating outside a building. Systems installed to provide heat outside a building shall be radiant systems. Such heating systems shall be controlled by an occupancy sensing device or a timer switch, so that the system is automatically deenergized when no occupants are present. 32. [503.2.12] Hot Gas Bypass Limitation. For cooling systems <= 240 kBtu /h, maximum hot gas bypass capacity must be no more than 50% total cooling capacity. 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