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Chapter 11 [RE] - ENERGY EFFICIENCY IIn�CHANIC�►L VEN1'ILATION, S��TION IVI1507 PLUM�INC�, 2012 In�ern�tional I�lurr�bing Code
<br /> N1101.11 (R302.1) Interior design conditions.
<br /> The interior design temperatures used for heating and cooling load calc. 1.ALL HVAC EQUIPMENT AND DUCTWORK to be installed in accordance 1. SCOPE
<br /> shall be a maximum of 72 F (22 C)for heating and minimum of 75 F (24 C) with State and Local Codes and Ordinances. A. Supply all labor, transportation, materials, etc. for installation
<br /> for cooling. 2. The CONTRACTOR shall coordinate the location of all ductwork, of complete plumbing system to operate according to the best
<br /> N1101.16 (R401.3) Certificate (Mandatory). piping and electrical requirements with all other trades prior to beginning practices of the trade and industry and including but not limited
<br /> A permanent certificate shall be completed and posted on or in the electrical installation to avoid conflicts and interference with other trades. to fixtures, hot and cold water piping, exhaust flues, combustion �
<br /> distribution panel. The certificate shall not cover or obstruct the visibility of the 3. Contractor shall provide all labor, materials and equipment necessary to air, gas piping, log lighters, drains, soil and vent piping, hot water o
<br /> circuit directory label, service disconnect label or other required labels. install plumbing, related fixtures,ventilation roof and floor drains, heating, heaters, pipe insulation, meters, valves, vaults, etc.
<br /> and air conditioning. B.Al( materials, work, etc. to comply with all requirements of all � .
<br /> The certificate shall list 4.Terminal hookup of all fixtures and tap into all utilities is required. legally constituted building dept., IRC, IPC and local and state m �
<br /> -The predominant R-vafues of insulation installed in or on ceiling/roof, walts, 5. Supply ducts in attics shall be insulated to a minimum of R-8. All other ordinances.
<br /> foundation (slab, basement wall, crawl space wall and/or floor)and ducts ducts C. Furnish and install plumbing work complete and operable,
<br /> outside canditioned spaces; U-factors for fenestration and the solar heat gain shall be insulated to a minimum of R-6. Exception: Ducts or portions thereof including trenching and backfilling. o
<br /> coefficient (SHGC)of fenestration, and the results from any required duct located completely inside the building thermal envelope. D. Verify all material and installation requirements and limitations ,�
<br /> system and building envelope air leakage testing done on the building. 6. Exhaust fans are to be furnished, installed and ducted by the mechanical at fire and sound assemblies. a
<br /> -Where there is more than one value for each component,the certificate shall contractor. Exhaust fan to be wired b the electrical contractor. �
<br /> y E. Provide rubberized asphaltic membrane materials at all pene- �
<br /> list the value covering the largest area. trations often water resistive membrane at exterior walls. o
<br /> -The certificate shall list the types and efficiencies of heating, caoling and Section M 1507-Mechanical ventilation. F. Protect pipes from freezing. Place all water lines and waste lines
<br /> service water heating equipment. Whole House Ventilation (Prescriptive) IRC Sec. M1507.3 and WAC within conditioned space and where approved thermal insulation is �
<br /> -Where a gas-fired unvented room heater, electric furnace, or baseboard 51-51-1507 between line and unheated area.
<br /> electric M1507.1 General. Local exhaust and whole-house mechanical ventilation
<br /> heater is installed in the residence, the certificate shall list"gas-fired unvented systems and equipment shall be designed in accordance with this section. 2. INSTALLATION
<br /> room heater," "electric furnace" or"baseboard electric heater," as appropriate. M1507.2 Recirculation of air. Exhaust air from bathrooms and toilet rooms A. Rough-in shall be completed,tested and inspected as required �
<br /> shall not be re-circulated within a residence or to another dwelling unit and by code before closing-in with other work.
<br /> SECTION N1103 SYSTEMS shall be exhausted directly to the outdoors. Exhaust air from bathrooms and B. Openings in pipes, drains, and fittings shall be kept covered during
<br /> N1103.1.2 (R403.1.2) Heat pump supplementary heat(Mandatory). toilet rooms shall not discharge into an attic, crawl space or other areas of construction. (�
<br /> Heat pumps having supplementary electric-resistance heat shall have controls the building. C. Provide solid backing for securing fixtures.All fixtures to be set level. LLl
<br /> that, except during defrost, prevent supplemental heat operation when the M1507.3 Whole-house mechanicai ventilation system. D. Provide cleanouts at ends of all lines and where code requires. �
<br /> heat pump compressor can meet the heating load. Whole-house mechanical ventilation systems shall be designed in E. Provide shut-off valves at each fixture.
<br /> N11 Q3.2.1 (R403.2.1) Insuiation (Prescriptive). accordance F. Provide cold water line to refrigerator space in recessed box. �
<br /> Supply ducts in attics shall be insulated to a minimum of R-8.All other ducts with Sections M1507.3.1 through M1507.3.3. G. Isolate all piping from structure with fiber padding and at all pene- (�
<br /> shall be insulated to a minimum of R-6. Exception: Ducts or portions thereof M1507.3.1 �ystem design. trations with elastic caulking or sound isolators. p�
<br /> located completely inside the building thermal envelope. The whole-house ventilation system shall consist of one or more supply or H.All vents to lead outside, where possible, locate all roof vents to �'
<br /> N1103.4.1 (R4U3.4.1) Circulating hot water systems (Mandatory). exhaust fans, or a combination of such, and associated ducts and controls. rear or side of ridges. Vents to terminate a 3-ft. min. from windows. �
<br /> Circulating hot water systems shall be provided with an automatic or readily Local exhaust or supply fans are permitted to serve as such a system. I. Provide pressure regulator for water service where pressure �
<br /> accessible manual switch that can turn off the hat water circulating pump when Outdoor air ducts connected to the return side of an air handler shall be � -
<br /> exceeds 80psi. W
<br /> the system is not in use. considered to provide supply ventilation. J. Provide drain pan underwasher with drain in ldy room and shut �
<br /> N1103.4.2 (R403.4,2) Hot water pipe insufation (Prescriptive). M1507.3.2 5ystem controls. off valve if washer is located above living space.
<br /> Insulation for hot water pipe with a minimum therrnal resistance (R-value) The whole-house mechanical ventilation system shall be provided with K. Provide solid metal pipe for dryer vent to exterior.
<br /> of R-3. controls L. The water supply to a dishwasher, clothes washer, and
<br /> N1103.5 (R403.5) Mechanical ventilation (Mandatory). that enables manual override. garbage disposal shall be protected against backflow by an
<br /> The building shall be provided with ventilation that meets the requirements of �
<br /> M 1507.3.3 Mechanical ventilation rate. air gap installed integrally within the machine or with the
<br /> Section M1507 of this code or with other approved means of ventilation. 0 ,--I
<br /> The whole-house mechanical ventilation system shall provide outdoor air at a installation of a backflow preventer.
<br /> Outdoor air intakes and exhausts shall have automatic or gravity dampers that M. Insulate waster line for sound control. � �
<br /> close when the ventilation system is not operating. � � N
<br /> N1103.5.1 (R403.5.'l)Whole-house mechanical ventitation system �)���(�"�, �� . � , ��,, ,�i�� ����j� : ����i� �(!�'°G ��IU 3. Chapter 6 -Water Supply and Distribution, unless noted Q � �
<br /> CT�
<br /> , fan efficacy. otherwise on floor plans i
<br /> Mechanical ventilation system fans shall meet the efficacy requirements of ���,, ��11� ,1� ��1l�� �-�r''�ld�lLt � �,{� �� �,�j� a. Bathtub, balanced-pressure, thermostatic or combination � � �
<br /> Table N1103.5.1. balanced pressure/thermo-static mixing valve-4gpm, 20 psi � O � ' .
<br /> Exception: Where mechanical ventilation fans are integral to tested and listed ����v n t�.n �.-� �z�` ��j{,���� �y�(�,�,{� ����,�(��,, b. Dishwasher-2.75gpm at 8psi o �
<br /> HVAC equipment, they shall be powered by an electronically commutated 1`� �
<br /> c. Sink- 1.75gpm, 8psi z .�
<br /> motor. d. Water closet (toilet), flushometer tank- 1.6gpm, 20psi � N � �
<br /> e. Shower head- 1.75gpm at 60psi � � Q'1 �
<br /> f. Lavatory (bathrm sink) 1.Ogpm at 60psi � t� ;
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<br /> EI_EC1�I�I�J4L� NOTE� - - r� � '�'`�� �
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<br /> 1. It shall be the responsibilty of electrical contractorto verify meter 1�Wt�LE HOl1�E V�NTILATION (Prescriptive) �� ���1'fr �
<br /> location, cable sizes, and their locations. IRC Sec. M1507.3 and WAC 51-51-1507 ���,�t1"� tL f v�" � � � . .
<br /> 2.All wiring and conduit shal( comply with 2008 National Electrical � � � � o
<br /> Code (NEC). Intermittent prescriptive Whole House Ventilation Systems ,� � '�n w � �
<br /> and provide Run Time 33% per Table M1507.3.3(2). �''<<� �' �' p z , �
<br /> 3. Electrical Inspection: ~- � ��1�` _ � � �
<br /> Rough Electrical wiring, device box location, etc.; Finished Run-Time Percentage in Each 4-Hour Segment. ��i� :;° p � �
<br /> Electrical circuit testing, cover plates, etc.; Service Inspection Factors � � �
<br /> for service entrance, meter panel, main circuit breaker panel 4(25%}; 3(33%); 2(50%); 1.5(66%); 1.3(75%); 1.0(100%) m � � o �,
<br /> before service is energized by the electric company. o � � c� �
<br /> 4. R404.1 Lighting equipment (Mandatory). M1507.3.3 IVlechanical ventilation rate. The whole-house mechanical � � � aCOi �
<br /> A minimum of 75 percent of permanently installed lamps in lighting ventilation system shall provide outdoor air to each habitable space at a o � i° � �
<br /> fixtures shall be high-efficacy famps. continuous rate of not less than that determined in accordance with Table M1507.3.3(1). a � � a�
<br /> 5. R402.4.4 Recessed lighting. Recessed luminaries installed in Table M1507.3.3 (1): Continuous Whole-House Mechanical � �
<br /> the Ventilation System Airflow Rate Requirements. z
<br /> building thermal envelope shall be Type IGrated and certified 3 bedrooms= 60efm Airflow in CFM � " .
<br /> under o
<br /> ASTM E283 as having an air leakage rate not more than 2.0 cfm W hole House Ventilation system using exhaust fans &window or wall fresh air
<br /> (0.944 L/s}when tested at a 1.57 psf (75 Pa) pressure differential vents (M1507,3.4)
<br /> and DATE:
<br /> shall have a label attached showing compliance with this test Whole House Ventila u ng a Supply Fan. (M1507.3.6). -�-�� ���,
<br /> method. IRC Table M1507.3.6,2: P ' tive Supply Fan Duct Sizing. 6/27/Z016
<br /> All recessed luminaries shall be sealed with a gasket or caulk Supply Fan Tested at 0. " W.G.
<br /> between
<br /> the housing and the interior wall or ceiling covering. SCALE:
<br /> 6. AFCI protection is required on all 120-V, single phase, 15 & 20
<br /> amp branch circuits in: Living, Dining, Family, Study, Bedrms,
<br /> Halflways,
<br /> Rec rooms. ' .
<br /> 7. 7 day Programmable thermostat with optional wireless w/ remote SHEET:
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