2007-P10837 - mechanical - Laserfiche WebLink

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, r Summary of April 15,2000 Energy Code Requirements for Detached 1&2 Family Residential Buildings Code re uircmenl O Hon A—Cha hr 7670 Cale o l ee emended b Lewa of D1N 2000 Ch.407 O Non B—Minneaota Rules Cha hr 7672 13. liot water s etem Pipe insulation When the weter heater is not equipped with integral heat treps,pipe insuletion(1/2") Pipe insulation option is for the first 3 feet from tenk. Exception for pipes requirement is required for the first 8 feet from tank near a draR divMer. Pipes through unconditioned spaces and pipes in contact with concrete or soil must be insulated. 14. A lication to additions and alteretions General Additions and alterations to existing buildings must comply with all the requirements Several speciftc requirements for additions and alterations which are in of Cha ter 7670 Cate o 2. most cases less strin ent than re uirements for new buildin s. Eftect on portions of No requirements for any portion ot the building not part of the alterations or addition, If alteration reduces air leakage,then combusNon air may be nquired(see the building not provided that the alteretion or addition complies with the requirements of Chaprer below). No other requirements for eny portion of the building not part of bein eltered 7670 Cate o 2. U�e elkretion or addition. Additions Must comply with the rcquirements of Chapter 7670(Category 2). Tlvee options for complianca In one option credit can be taken for other energy improvements done under the seme pertnit es the addition or alteration. Conversions from No requirements if energy use is no[greater than prior occupancy. If energy use is No rcquirements if energy use is not greattt than prior occupflncy. If different occu anc reater then must com l with Cha ttt 7670 Cate o 2. ener use is rceter then must com 1 wi[h Cha ter 7672. Rooflceilings Additions and alterations must comply with the requirements of Chapter 7670 Added requirement to seal accessible attic bypasses prior ro insulating. Cete o 2. When an uninsulated attic is finished,slo ed ceilin must be at least R-18. Addition of loose Attic card mquired. Requirement for either attic insuletion ttiickness markers or tags Attic bypasses must be sealed. fill ettic insulation from ba s installed to veri insulation uanti . Walls Additions end alteretions must comply with ttie requirements of Chapter 7670 Entire windaw units replaced must be U-0.37 maximum. In some cases Cete o 2. walls must be insuleted to full de th when interiar finish is removed. Heated three-season Heated threrseason porch additions must comply with all the requirements of The porch may be calculated separately—allowing unlimited window porch addition Chapter 7670(Category 2). area. The porch heating system must be able to be shut off completely, end the wall seperating the porch from the living space must meet the seme re uirements as an extuior wall. HVAC New e ui ment must meet Federal minimum emcienc re uirements. Same. Mechanical Not addressed. Mechanical ventiletion is ONLY required for additions or elterations to ventilation homes whose building permi[Cor initial construction was applied for afler A ril 15 2000. Protection against Not addressed. Protection against excessive depressurization is ONLY required for excessive edditions or alterations to homes whose building pertnit for initial de ressurization consWction was a lied for aBer A ril 15,2000. Reduction of air Nat addressed. It building is air tightmed end fuel buming equipment does not have leakege combustion air intake,then a combustion air intake must be installed per the scate mechanical code. Page 20 of 34—Source of summary: Minnesota Department of Commerce Energy Information Cenler 651-296-5173 or 500-657-3710,wa��v.mmmercestate.mn.as. 4/00