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Home » 2001 Issues » Vol. 2001, No. 8 (05/15/2001) » 4 ADMINISTRATIVE RULES

  4 ADMINISTRATIVE RULES  

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    DE PARTMEN T OF CONSU MER AND INDUS TRY SER VIC ES DIRECTO R’S OFF ICE

    CONS TRU CTIO N CODE

     

    Filed with th e Secretar y of Stat e on April 18, 2001 .

    These ru les tak e effect J uly 31, 2001

     

    (By auth ority conferr ed on th e director of th e dep artm ent of con sum er an d industr y services by section 4 of 1972  PA  230  an d  Execut ive  Reorgan izat ion  Order  No.  1996 -2,  MCL 125 .1504 an d 445 .2001 )

     

    R  408 .30401 ,  R  408 .30402 ,  R  408 .30404 ,  R  408 .30405 ,  R  408 .30406 ,  R  408 .30408 , R

    408 .30409 ,  R  408 .30410 ,  R  408 .30411 ,  R  408 .30412 ,  R  408 .30415 a,  R  408 .30427 ,  R

    408 .30429 ,  R  408 .30430 ,  R  408 .30432 ,  R  408 .30437 ,  R  408 .30443 ,  R  408 .30445 ,  R

    408 .30447 ,  R  408 .30448 ,  R  408 .30448d ,  R  408 .30449 ,  R  408 .30451 c,  R  408 .30453 , R

    408 .30457 , R 408 .30458 , R 408 .30475 , R 408 .30476,   an d  R  408 .30499  of  th e  Michigan

    Administrat ive Code ar e am ended, R 408 .30461 , R 408 .30495 , R 408 .30497 , R 408 .30501 to R 408 .30538 ar e added to th e Code, an d R 408 .30427 a, R 408 .30427b , R 408 .30427 c, R 408 .30427d , R 408 .30427e , an d R 408 .30499 a, of th e Code ar e rescinded as follows:

     

    PART 4. BU ILDING CODE

     

    R 408 .30401   App li ca bl e code .

    Rule 401 .  The  provisions  of  th e  int ernat iona l  building code,  2000  edi tion,  including appe ndices  F,  G,  an d  H,  excep t  for  sections  104 .8,  108 .2  to  108 .6,  112  to  112 .3,  114 .3,

    415 .7.2.2  to  415 .7.2.10,  415 .7.3.1  to  415 .7.3.5.2,  1107 .2.1,  1107 .2.2,  1107 .2.2.1,  1107 .2.3,

    1107 .2.3.1, 1107 .2.3.2, 1107 .2.4, 1107 .2.4.1, 1107 .2.5, 1107 .2.5.1, 1107 .2.5.2, ta ble 1107 .2.2,

    ta ble   1107 .2.2.1,   ta ble   1107 .2.4.1,   1107 .3.1,   1107 .3.2,   1107 .3.3,   1107 .5.6,   1107 .5.7,

    1108 .2.1.1,  1108 .2.1.2,  1108 .2.1.3,  1108 .2.1.4,  1108 .2.1.5,  1108 .2.1.6,  1108 .2.1.7,  1108 .4,

    1108 .5,  1108 .6,  1108 .7,  1108 .8,  1108 .8.1,  1108 .8.2,  1108 .8.2,  1108 .9,  1108 .10,  1108 .11,

    1108 .11.1, 1108 .12, 1108 .12.1, 1108 .12.2, 1108 .12.3, 1108 .12.4, 1108 .12.5, ta ble  1108 .12.2,

    1108 .13, 1108 .13.1, 1108 .14, 1108 .14.1, 1108 .14.2, ta ble  1608 .2, 2902  to 2902 .6.2, 3001 .3,

    3006 .5, th e definition of “recreat iona l vehicle” in Appe ndix G, an d, IECC-2000 , ICC EC- 2000 , IMC-2000 , IPC-2000 ,  IPSDC-2000  listed  in  cha pter  35,  an d  th e  provisions of  th e int ernat iona l reside nt ial code, 2000 edi tion, including appe ndices A, B, C, D, E, F, G, J, an d K, excep t for sections R104 .8, R108 .2, R108 .3, R108 .4, R 108 .5, R112 .1, R112 .3, N1101 .2 to

    N1104 .1,  P 2709 .2.1, AJ 102 .4,  an d  IBC-2000 ,  ICC EC-2000 ,  IECC-2000 ,  IMC-2000 ,  IPC-

    2000 ,  NFP A  70-99  listed  in  cha pter  43  govern  th e  constru ction,  alterat ion,  relocat ion,

     

    demolition, use, an d occu pan cy of buildings an d stru ctur es, an d, with exceptions noted, th e int ernat iona l building code an d th e int ernat iona l reside nt ia l code ar e adopted by reference in th ese ru les. All references to th e Int ernat iona l Building Code, Int ernat iona l Reside nt ia l Code,   Int ernat iona l   En ergy    Conservat ion    Code,    Int ernat iona l    Electr ical    Code, Int ernat iona l Mechan ical Code, an d Int ernat iona l Plum bing Code mean th e Michigan Building Code, Michigan Reside nt ia l Code, Michigan Un iform En ergy  Code,  Michigan Electr ical Code, Michigan Mechan ical Code, an d Michigan Plum bing Code respe ctively. The codes ar e available for inspe ct ion at th e Okemos office of th e Michigan Dep artm ent of Consum er an d  Industr y  Services,  Bur eau  of  Constru ct ion  Codes .  The  codes  ma y  be pur cha sed   from    th e    Building    Officia ls    an d    Code    Administrat ors    Int ernat iona l, In cor porat ed, 4051 West Flossm oor Road, Countr y Club Hills, Illinois 60478 , or from th e Michigan Dep artm ent of Consum er an d Industr y Services, Bur eau of Constru ct ion Codes , 2501 Woodlak e Circle, Okemos, Michigan 48864 , at a cost as of th e t ime of adoption of th ese am endat ory ru les of $60 .00 an d $45 .00, respe ctively.

     

    R 408 .30402   Titl e .

    Rule 402 .  Section 101 .1 of th e code is am ended to read as follows :

    101 .1.  Title.  These  ru les  sha ll  be  kn own  as  th e  Michigan  building  code ,  hereina fter referr ed to as “th e code.”

     

    R 408 .30404   App rova l.

    Rule 404 .  Section 104 .9 of th e code is am ended to read as follows :

    104 .9. Approved  mat erials  an d  equipment .  Mat erials, equipment , an d  devices  sha ll be con stru cted or insta lled in a ccor dan ce with approvals grant ed un der section 21 of th e act or by th e building officia l.

     

    R 408 .30405   P rofess io na l architectu ral and  eng inee ri ng se rvices .

    Rule 405 .  Section 106 .1 of th e code is am ended to read as follows :

    106 .1. Submitta l docum ent s. Constru ct ion docum ent s, special inspection an d stru ctura l program s an d oth er data sha ll be submitt ed in 1 or more sets with each applicat ion for a perm it . The con stru ct ion docum ent s sha ll be prepar ed by, or un der th e direct supervision of, a registered des ign  pr ofessi ona l  when  required  by  art icle  20  of 1980  PA 299 ,  MCL 339 .101 et seq. Where spe cial con ditions exist, th e building officia l is auth orized to require additiona l con stru ct ion docum ent s to be prepar ed by a registered des ign pr ofessi ona l.

     

    R 408 .30406   Bui lding  official .

    Rule 406 .  Section 103 .2 of th e code is am ended to read as follows :

    103 .2. “Building officia l” mean s th e  person  who  is  appoint ed  an d  employed  by  a governm enta l subdivisi on char ged with th e  administrat ion  an d  en for cement  of  th e  stat e code or codes an d who is registered in  a ccor dan ce  with  th e  requirement s  of 1986  PA 54, MCL  338 .2301  et  seq.

     

    R 408 .30408   Fees .

    Rule 408 .  Section 108 .1 of th e code is am ended to read as follows :

     

    108 .1.  Pa yment  of fees .   The fees prescribed by section 22 of th e act sha ll be paid to th e en for cing agency of th e jur isdiction befor e a perm it to begin work for new con stru ct ion, alterat ion, removal, demolition, or oth er building operat ion ma y be issued. In addition, an am endment to a perm it necessi tat ing an additiona l fee sha ll not be approved unt il th e additiona l fee ha s been paid.

     

    R 408 .30409   Pe rmit .

    Rule 409 . Sections 105 .1.1, 105 .1.2, an d 105 .2 of th e code ar e am ended to read as follows : 105 .1.1. Annua l perm it . In place of an individua l perm it for each alterat ion to an already approved electr ical, gas, mechan ical, or plum bing  insta llat ion,  th e  en for cing  agency  is auth orized to issue an annua l perm it upon  applicat ion  th erefor e to an y person, firm , or cor porat ion. The applicant sha ll be licensed in a ccor dan ce with th e requirement s of 1956 PA 217 , MCL 338 .881 et seq., 1984  PA 192 , MCL 338 .971 et seq., or 1929  PA 266 , MCL

    338 .901 et seq.

    105 .1.2.  Annua l perm it recor ds.  The person to whom an annua l perm it is issued sha ll keep a deta iled recor d of alterat ions ma de un der an annua l perm it . Access to th e recor ds sha ll be provided at all t imes an d th e recor ds sha ll be filed with th e en for cing agency.

    105 .2. Work exempt from perm it . Exemptions from perm it requirement s of th e code sha ll not be deemed to grant auth orizat ion for an y work to be done in an y mann er in violat ion of th e provisions of th e code or an y oth er laws or ordinan ces of th is jur isdiction. Perm it s sha ll not be required for an y of th e following:

    (a)    Building perm it s sha ll not be required for an y of th e followin g:

    (i)   One-story deta ched a ccess ory stru ctur es used as t ool an d stora ge sheds , playhouses an d similar uses, provided th e floor ar ea does not exceed 120 squar e feet (11.15 m 2).

    (ii)    A fence that  is not more than  6 feet (1829 mm ) high.

    (iii)    Oil derr icks.

    (iv)    A reta ining wall that is not more than 4 feet (1219 mm ) in height  measur ed from th e bott om of th e foot ing to th e top of th e wall, un less support ing a sur char ge or impoun ding class I, II or III -A liquids.

    (v)    A wat er tank support ed directly  upon gra de if th e capacity is not more than 5,000 gallons (18 927 L) an d th e rat io of height to diam eter or width is not great er than  2 to 1.

    (vi)    A sidewalk or drivew ay that is not more than 30 inches (762 mm ) above gra de an d is not over an y basement or story below an d which ar e not part of an a ccessible rout e.

    (vii)    Pa int ing, papering, t iling, car peting, cabinets, count er tops an d similar finish work . (viii) Temporar y motion pictur e, televisi on an d th eat er sta ge sets an d scenery.

    (ix)     Pr efabricat ed swimm ing pools a ccess ory to a group R-3 occu pan cy, as applicable in section 101 .2, which ar e less than 24 inches (610 mm ) deep , do not exceed 5,000 gallons (19 000 L) an d ar e insta lled ent irely above groun d.

    (x)      Sha de cloth stru ctur es con stru cted for nur sery or agricultura l pur poses an d not including service systems.

    (xi)   Swings an d oth er playgroun d equipment a ccess ory to 1- an d 2-fam ily dwellings.

    (xii)    Window awnings support ed by an exterior wall of group R-3, as applicable in section 101 .2, an d group U occu pan cies.

    (xiii)    Movable cases, count ers, an d part it ions.

    (b)   Electr ical perm it s sha ll not be required for an y of th e followin g:

     

    (i)   Rep airs an d ma int enan ce: Minor repair work , including th e replacement of lam ps or th e conn ection of approved porta ble electr ical equipment to approved perman ent ly insta lled recepta cles.

    (ii)    Radio an d televisi on tran smitt ing stat ions: The provisions of th e code do not apply to electr ical equipment used for ra dio an d televisi on tran smissions, but do apply to equipment an d wiring for power supply an d to th e insta llat ion of towers an d ant enna s.

    (iii)      Temporar y testing systems: A perm it is not required for th e insta llat ion of  an y temporar y system required for th e testing or servicing of electr ical equipment or apparatu s.

    (c)   Mechan ical perm it s sha ll not be required for an y of th e followin g:

    (i)   Porta ble gas heat ing applian ce.

    (ii)    Repl acement of an y minor part that does not alter approval of equipment or mak e th e equipment un safe.

    (iii)    Porta ble heat ing applian ce.

    (iv)   Porta ble vent ilat ion equipment .

    (v)   Porta ble cooling un it .

    (vi)    Steam , hot or chilled wat er piping with in an y heat ing or coolin g equipment regulat ed by th e code .

    (vii)    Repl acement of an y part that  does not alter it s approval or mak e it un safe. (viii) Porta ble evaporat ive cooler .

    (ix) Self-conta ined porta ble refrigerat ion un it that is not more than 1.5 horsepower (1119 W).

    (d)   Plum bing perm it s sha ll not be required for an y of th e followin g:

    (i)    The stopping  of  leak s  in  dra ins,  wat er,  soil,  waste,  or  vent  pipe.  However,  if  an y con cealed tra p, dra inpipe, wat er, soil, waste, or vent pipe becom es defective an d it becom es necess ar y to remove an d replace th e dra in or pipe with  new  mat erial, th en  th e work  is con sidered new work an d a perm it sha ll be obta ined an d inspection ma de as provided in th e code.

    (ii)    The clear ing of stoppages or th e repairing of leak s in pipes , valves, or fixtur es, an d th e removal an d reinsta llat ion of wat er closets, if th e repairs do not involve  or require th e replacement or rearran gement of valves, pipes , or fixtur es.

     

    R 408 .30410   Violatio ns .

    Rule 410 .  Section 113 .4 of th e code is am ended to read as follows :

    113 .4. Violat ion pena lt ies. It is un lawful for an y person, firm , or cor porat ion to violat e a provision of th e code or  fail  to con form  with  an y of th e  requirement s  th ereof, or  erect, con stru ct , alter, extend, repair, move, remove, demolish, or occu py an y building, stru ctur e, or equipment regulat ed by th e code , or cau se work to be per form ed or done, in con flict with or in violat ion of th e approved con stru ct ion docum ent s or directive of th e en for cing agency, or  a  perm it  or  cert ificat e issued  un der  th e code .   A violat or  sha ll be  assessed  a  fine in a ccor dan ce with section 23 of th e act.

     

    R 408 .30411   Stop -w ork orde r.

    Rule 411 .  Section 114 .2 of th e code is am ended to read as follows :

    114 .2. Notice to owner. Upon notice from th e en for cing agency, work on an y building or stru ctur e that  is being done contrar y to th e code or in a dan gerous or un safe mann er sha ll

     

    imm ediat ely cease. Notice sha ll be in a ccor dan ce with section 12 of th e act. A person who is served with a stop work order, except for work that th e person is directed to per form to remove a violat ion or un safe con dition is subject to th e pena lty provisions prescribed in section 23 of th e act.

     

    R 408 .30412   Ce rtifi cate  of use  and  occupancy  .

    Rule 412 .  Section 110 .1 of th e code is am ended to read as follows :

    110 .1.  Use an d occupan cy. A building or stru ctur e sha ll not be used or occupied, an d a chan ge in th e existing occu pan cy classificat ion of a building or stru ctur e or port ion th ereof sha ll not be ma de unt il a cert ificat e of occu pan cy ha s been issued in a ccor dan ce with section 13 of th e act.

     

    R 408 .30415 a  De finitio ns .

    Rule 415 a.  The definitions of building, registered des ign pr ofessi ona l, an d stru ctur e in section 202 of th e code ar e am ended to read as follows :

    202 .  Definitions.

    “Building” mean s a com binat ion of mat erials, wheth er porta ble or fixed, form ing a stru ctur e a ffor ding a facility or shelter for  use  or  occu pan cy  by  persons, an ima ls, or  propert y.  The term does  not  include a  building incidenta l to th e use for  agricultura l pur poses  of th e lan d on which th e building is locat ed  if it  is not  used  in  th e business  of reta il tra de.  The term sha ll be con stru ed as th ough followed by th e words “or part or part s of th e building an d all equipment  in th e building” un less th e cont ext clear ly requires a different  mean ing.

     

    “Regis tered des ign pr ofessi ona l” mean s an individua l who is licensed un der art icle 20, 1980 PA 299 , MCL 339 .2001 et seq.

     

    “Stru ctur e” mean s that which is built or con stru cted, an edifice or building of an y kind, or a piece of work art ificially built up or  com posed  of  part s  joined  togeth er  in  some  definite mann er.  Stru ctur e  does   not   include   a   stru ctur e  incident   to  th e  use   for   agricultura l pur poses of th e lan d on which th e stru ctur e is locat ed an d does not include work s of heavy civil constru ct ion  including with out  limitat ion  an y of th e following:

    (a)   A highway.

    (b)   A bridge.

    (c)  A dam .

    (d)   A rese rvoir

    (e)   A lock.

    (f)  A mine.

    (g)   A har bor.

    (h)   A docks ide port facility.

    (i)   An airport lan ding facility.

    (j)   A facility for th e generat ion, or tran smission, or distr ibut ion of electr icity.

    Stru ctur e sha ll be con stru ed as th ough  followed  by  th e  words  “or  part  or  part s  of th e stru ctur e an d all  equipment  in  th e  stru ctur e,”  un less  th e  cont ext  clear ly  indicat es oth erwise .

     

    R 408 .30427   Ba rri er free  design  for buildi ngs , st ruc tures , and  imp roved  areas .

    Rule 427 .    Sections  1102 .1, 1103 .1, 1103 .2.1, 1104 .4, 1106 .2, 1107 .1, 1107 .2, 1107 .3,

    1107 .4, 1107 .5, 1107 .5.1, 1107 .5.2, 1107 .5.3, 1107 .5.4, 1107 .5.5, 1107 .6, 1107 .6.1, 1108 .1,

    1108 .2, 1108 .2.1, 1108 .2.2, 1108 .3, 1109 .1, 1109 .2, 1109 .3, 1110 .2, an d  1110 .3   of th e code

    ar e   am ended   an d   sections     1103 .2.13,  1107 .5.1.1,  1107 .5.1.2,  1107 .5.2.1,  1107 .5.2.2,

    1107 .5.3.1,   1107 .5.3.2,   1107 .6.1.1,   1107 .6.1.2,   ta ble    1107 .6.1,   1107 .6.2,   1107 .6.2.1,

    1107 .6.2.2,   1107 .6.3,   1107 .6.4,   1107 .6.4.1,   1107 .6.4.2,   1107 .7,   1107 .7.1,   1107 .7.1.1,

    1107 .7.1.2,   1107 .7.2,   1107 .7.3,   1107 .7.4,   1107 .7.5,   ta ble   1108 .2.2,   1108 .2.2.1,   ta ble

    1108 .2.2.1, 1108 .2.3, 1108 .2.3.1, 1108 .2.3.2, 1108 .2.4, 1108 .2.4.1, ta ble 1108 .2.4.1, 1108 .2.5,

    1108 .2.5.1, 1108 .2.5.2, ta ble  1108 .3, 1108 .3.1, 1109 .2.1, 1109 .2.1.1, 1109 .2.1.2, 1109 .2.1.3,

    1109 .2.1.4,  1109 .2.1.5,  1109 .2.1.6,  1109 .2.1.7,  1109 .2.2,  1109 .4,  1109 .5,  1109 .6,  1109 .7,

    1109 .8,   1109 .8.1,   1109 .8.2,   1109 .8.3,   1109 .9,   1109 .10,   1109 .11,   1109 .11.1,   1109 .12,

    1109 .12.1, 1109 .12.2, ta ble 1109 .12.2, 1109 .12.3, 1109 .12.4, 1109 .12.5, 1109 .13, 1109 .13.1,

    an d 1110 .1 ar e added to th e code to read as follows :

    1102 .1. Definitions.  The followin g words an d term s sha ll, for th e pur poses of th is cha pter an d as used elsew here in th e code , ha ve th e followin g mean ings:

    (a)    “Accessible ” mean s a site, building, facility, or port ion  th ereof, that  com plies with  th is cha pter.

    (b)     “Accessible rout e” mean s a  cont inu ous, un obstru cted  path  that  com plies  with  th is cha pter.

    (c)   “Accessible un it ” mean s a dwelling un it or sleeping un it that com plies with th e code an d cha pters 1 to 9 of ICC/ANSI A117 .1 listed in cha pter 35.

    (d)     “Circulat ion path ” mean s  an  exterior  or  int erior  way  of  passage  from  one  place  to an oth er for pedes tr ian s.

    (e)     “Detecta ble warn ing” mean s a stan dar dized sur face featur e built in or applied to walking sur faces or oth er element s to warn visua lly impaired persons  of  ha zar ds  on  a circulat ion  path .

    (f)   “Dwelli ng un it or sleeping un it , type A” mean s a dwelling un it or sleeping un it des igned an d con stru cted for a ccessibili ty in a ccor dan ce with ICC ANSI A117 .1 listed in cha pter 35.

    (g)   “Dwelli ng un it or sleeping un it , type B” mean s a dwelling un it or sleeping un it des igned an d con stru cted for a ccessibili ty in a ccor dan ce with  ICC /ANSI  117 .1 con sistent  with  th e des ign an d con stru ct ion requirement s of th e fede ra l fair housing act, 42 U.S.C. §3601 et seq. (h) “Dwelli ng un it or sleeping un it , mu lt istory” mean s a dwelling un it or sleeping un it that ha s ha bita ble space locat ed on more than  1 story.

    (i)    “Fa cility” mean s th e ent ire building or an y port ion of a building, stru ctur e, or ar ea, including th e site on which th e building, stru ctur e, or ar ea is  locat ed,  wherein  specific services ar e provided  or  activities ar e per form ed.

    (j)   “Int ended to be occu pied as a reside nce” mean s that a dwelling un it or sleeping un it can or will be used all or part  of th e t ime as th e occu pant ’s place of abode.

    (k)   “Pu blic entran ce” mean s an entran ce that  is not a service entran ce.

    (l)   “Pu blic-u se ar eas” mean s int erior or exterior r oom s or spaces that ar e ma de available to th e genera l public.

    (m)    “Self-se rvice stora ge facility” mean s real propert y designed an d used for th e pur pose of rent ing or leasing individua l stora ge spaces to customers for th e pur pose of storing an d removing persona l propert y on a self-se rvice basis.

     

    (n)      “Service entran ce” mean s an entran ce int ended primar ily for delivery of goods or services.

    (o)   “Site” mean s a par cel of lan d boun ded by a propert y line or a des ignat ed port ion or a public right -of-wa y.

    (p)    “Sleeping un it ” mean s a r oom or space in which people sleep, which can also include perman ent provisions for living, eat ing, an d eith er  san itat ion  or  kitchen  facilities, but  not both .  Such r oom s an d spaces that  ar e also part  of a dwelling un it ar e not sleeping un it s.

    (q)    “Techn ically infeasible ” mean s an alterat ion of a building or a facility that ha s litt le likelih ood of being a ccom plished becau se th e existing stru ctura l con ditions require th e removal or alterat ion of a load-bear ing member that is an esse nt ial part of th e stru ctura l fram e, or becau se oth er existing physical or site con stra int s prohibit modificat ion or addition of element s, spaces, or featur es that ar e in full an d str ict com plian ce with th e minimum   requirement s   for   new   con stru ct ion   an d   which   ar e   necess ar y   to  provide a ccessibili ty.

    (r)    “Wheelcha ir space” mean s a space for a single wheelcha ir an d it s occu pant .

    (s)     “Wheelcha ir space cluster” mean s locat ions of 2 or more adjacent  wheelcha ir  spaces along with  com pan ion seat ing in asse mbly ar eas.

    1103 .1.  Where required.   Buildings  an d  stru ctur es, temporar y or  perman ent , including th eir ass ociat ed sites an d facilities, sha ll be a ccessible to persons who ha ve physical disabilities in accordan ce with 1966 PA 1, MCL 125 .1351 et seq.

    1103 .2.1. Specific requirement s. Accessibili ty  is  required  in  buildings  an d  facilities  or port ions th ereof, to th e extend defined by sections 1104 to 1109 of th e code .

    1103 .2.13.  Day car e facilities.  Where a day car e facility (Group A-3, E, I-4, an d R-3) is part of a dwelling un it , only th e port ion of th e stru ctur e ut ilize d for th e day car e facility is required to be a ccessible .

    1104 .4.  Multilevel buildings an d facilities.   At least 1 a ccessible  rout e sha ll conn ect each a ccessible  level, including mezzan ines, in mu lt istory buildings an d facilities.

    Exceptions:

    1.  An a ccessible rout e is not required to floor s above an d below a ccessible  level s that  ha ve an aggregat e ar ea of not more than 3,000 squar e feet (278 .7m 2), un less th e level conta ins offices of health car e providers (group B or group I), passe nger tran sportat ion facilities an d airport s (group A-3 or group B) or mu lt iple tenant  facilities of group M.

    2.  In groups A, I, R, an d S occu pan cies, level s that do not conta in a ccessible element s or oth er spaces required in a ccor dan ce with section 1107 of th e code ar e not required to be served by an a ccessible rout e from an a ccessible level.

    1106 .2.  Groups R-2 an d R-3.  Two percent , but not less than  1, of each type of park ing space provided for occu pan cies in groups R-2 an d R-3, which ar e required to ha ve type A or type B dwelling or sleeping un it s, sha ll be a ccessible .  Where park ing is provided with in or beneath a building, a ccessible park ing spaces sha ll also be provided with in or beneath th e building. 1107 .1.  Genera l.   In addition to th e oth er requirement s of th is cha pter, occu pan cies that ha ve  dwelling  un it s  or  sleeping  un it s  sha ll  be  provided  with   a ccessible                   featur es  in a ccor dan ce with sections 1107 .2 to 1107 .5 of th e code .

    1107 .2. Desig n. Dwelli ng un it s an d sleeping un it s that ar e required to be a ccessible  un it s sha ll com ply with th e code an d th e applicable port ions of cha pters 1 to 9 of ICC /ANSI A117 .1 listed  in  cha pter  35.   Type  A an d type B un it s sha ll com ply with  th e applicable

     

    port ions of cha pter 10 of ICC /ANSI A117 .1 listed in cha pter 35. Un it s required to be type A un it s ar e perm itt ed to be designed an d con stru cted as a ccessible un it s. Un it s required to be type B un it s ar e perm itt ed to be des igned an d con stru cted as a ccessible un it s or as type A un it s.

    1107 .3. Accessible spaces.  Room s an d spaces available to th e genera l public or available for  th e  use  of th e  reside nt s  of a ccessible  un it s,  type  A un it s  or  type  B  un it s  sha ll  be a ccessible . Accessible spaces  sha ll include toilet an d bath ing r oom s, kitchen, living, an d dining ar eas, an d an y exterior spaces, including pat ios, terra ces an d balcon ies.

    1107 .4. Accessible rout e. At least 1 a ccessible rout e sha ll conn ect a ccessible building or facility entran ces with th e primar y entran ce of each a ccessible un it , type A un it , an d type B un it with in th e building or facility an d with exterior an d int erior spaces an d facilities that serve th e un it s.

    Exceptions:

    1.   If th e slope of th e finished groun d level between a ccessible facilities  an d  buildings exceeds 1 un it vert ical in 12 un it s horizonta l (1:12), or where physical barr iers prevent th e insta llat ion of an a ccessible rout e, a vehicular rout e with park ing that com plies with section 1106 of th e code at each public or comm on use facility or building is perm itt ed in place of th e a ccessible rout e.

    2.  Exterior decks, pat ios, or balcon ies that ar e part of type B un it s an d ha ve impervious sur faces, an d that ar e not more than 4 inches (102 mm ) below th e finished floor level of th e adjacent int erior space of th e un it .

    1107 .5.   Group I.   Occu pan cies  in  group  I  sha ll be  provided  with  a ccessible  featur es  in a ccor dan ce with sections 1107 .5.1 to 1107 .5.5 of th e code.

    1107 .5.1.   Group I-1.   Group I-1 occu pan cies sha ll be provided with  a ccessible  featur es in a ccor dan ce with sections 1107 .5.1.1 an d 1107 .5.1.2 of th e code.

    1107 .5.1.1. Accessible un it s. At least 4%, but not less than 1, of th e dwelling un it s an d sleeping un it s sha ll be a ccessible un it s.

    1107 .5.1.2.  Type  B un it s.  In  stru ctur es that  ha ve 4 or  more dwelling or  sleeping un it s int ended to be occu pied as a reside nce, every dwelling an d sleeping un it int ended to be occu pied as a reside nce sha ll be a type B un it .

    Exception: The num ber of type B un it s ma y be reduced in a ccor dan ce with section 1107 .7 of th e code.

    1107 .5.2.  Group I-2 Nurs ing homes.   Nurs ing homes of group I-2 sha ll be provided  with a ccessible featur es in a ccor dan ce with sections 1107 .5.2.1 an d 1107 .5.2.2 of th e code.

    1107 .5.2.1. Accessible  un it s.  Not less than  50%, but not less than  1, of th e dwelling un it s an d sleeping un it s sha ll be a ccessible un it s.

    1107 .5.2.2.  Type  B un it s.  In  stru ctur es that  ha ve 4 or  more dwelling or  sleeping un it s int ended to be occu pied as a reside nce, every dwelling an d sleeping un it int ended to be occu pied as a reside nt sha ll be a type B un it .

    Exception: The num ber of type B un it s ma y be reduced in a ccor dan ce with section 1107 .7 of th e code.

    1107 .5.3.  Group  I-2  hospita ls.  Genera l  pur pose  hospita ls,  psychiatr ic  facilities, detoxificat ion facilities, an d reside nt ial car e/assisted living facilities of group I-2 sha ll be provided with a ccessible  featur es in a ccor dan ce with  sections 1107 .5.3.1 an d 1107 .5.3.2 of th e code.

     

    1107 .5.3.1. Accessible  un it s.  Not less than  10%, but not less than  1, of th e dwelling un it s an d sleeping un it s sha ll be a ccessible un it s.

    1107 .5.3.2.  Type  B un it s.  In  stru ctur es that  ha ve 4 or  more dwelling or  sleeping un it s int ended to be occu pied as a reside nce, every dwelling an d sleeping un it int ended to be occu pied as a reside nce sha ll be a type B un it .

    Exception: The num ber of type B un it s ma y be reduced in a ccor dan ce with section 1107 .7 of th e code.

    1107 .5.4. Group  I-2 reha bilitat ion facilities. In hospita ls  an d  reha bilitat ion facilities of group I-2 that spe cialize in tr eat ing con ditions that a ffect mobility, or un it s with in eith er that spe cialize in tr eat ing con ditions that a ffect mobility, 100 % of th e dwelling un it s an d sleeping un it s sha ll be a ccessible un it s.

    1107 .5.5. Group I-3.  In occu pan cies in group I-3, not less than  5%, but not less than  1, of th e dwelling un it s an d sleeping un it s sha ll be a ccessible un it s.

    1107 .6.  Group R.  Occu pan cies  in  group R sha ll be  provided  with  a ccessible  featur es  in a ccor dan ce with sections 1107 .6.1 to 1107 .6.4 of th e code.

    1107 .6.1  Group R-1.  Group R-1 occu pan cies sha ll be provided with  a ccessible  featur es in a ccor dan ce with sections 1107 .6.1.1 to 1107 .6.1.2 of th e code.

    1107 .6.1.1. Accessible un it s. In occu pan cies in group R-1, a ccessible dwelling un it s an d sleeping un it s sha ll be provided in a ccor dan ce with ta ble 1107 .6.1. All facilities on a site sha ll be con sidered to determ ine th e tota l num ber of a ccessible un it s. Accessible un it s sha ll be  dispe rsed  am ong th e var ious  classes  of un it s.  Roll-in  showers  provided  in  a ccessible un it s sha ll include a perman ent ly mount ed foldin g shower seat .

    1107 .6.1.2.  Type  B un it s.  In  stru ctur es that  ha ve 4 or  more dwelling or  sleeping un it s int ended to be occu pied as a reside nce, every dwelling an d sleeping un it int ended to be occu pied as a reside nce sha ll be a type B un it .

    Exception: The num ber of Type B un it s ma y be reduced in a ccor dan ce with section 1107 .7 of th e code.

     

    TABLE 1107 .6.1

    ACCESS IBLE DWELLING AND SLEE P ING UN ITS

     

    TOTAL NU MBER OF UNI TS PROVIDED

    MINIMUM REQUIRED NU MBER OF ACCESSIBL E UNI TS ASSOCI ATED WITH ROLL -IN SHOWERS

    TOTAL             NU MBER         OF REQUIRED

    ACCESSIBL E UNI TS

    1 to 25

    0

    1

    26 to 50

    0

    2

    51 to 75

    1

    4

    76 to 100

    1

    5

    101 to 150

    2

    7

    151 to 200

    2

    8

    201 to 300

    3

    10

    301 to 400

    4

    12

    401 to 500

    4

    13

    501 to 1,000

    1% of tota l

    3% of tota l

    Over 1,001

    10 plus 1 for each

    30 plus 2 for each

    100 over 1,000

    100 over 1,000

     

    1107 .6.2.  Group R-2.  Type A an d type B un it s sha ll be provided in occu pan cies in group R- 2 in a ccor dan ce with sections 1107 .6.2.1 an d 1107 .6.2.2 of th e code .

    1107 .6.2.1. Type A un it s. In buildings conta ining more than  20 dwelling un it s or sleeping un it s, not less than  2%, but not less than  1, of th e un it s sha ll be a type A un it .

    Exception: The num ber of type A un it s is perm itt ed to be reduced in a ccor dan ce  with section 1107 .7 of th e code.

    1107 .6.2.2.  Type  B un it s.  Where th ere ar e 4 or  more dwelling un it s or  sleeping un it s int ended to be occu pied as a reside nce in a single stru ctur e, every dwelling un it an d every sleeping un it int ended to be occu pied as a reside nce sha ll be a type B un it .

    Exception: The num ber of type B un it s is perm itt ed to be reduced in a ccor dan ce  with section 1107 .7 of th e code.

    1107 .6.3. Group R-3.  In occu pan cies in group R-3, where th ere ar e 4 or more dwelling un it s or sleeping un it s int ended to be occu pied as a reside nce in a single stru ctur e, every dwelling an d sleeping un it int ended to be occu pied as a reside nce sha ll be a type B un it .

    Exception: The num ber of type B un it s ma y be reduced in a ccor dan ce with section 1107 .7 of th e code.

    1107 .6.4.  Group R-4.  Group R-4 occu pan cies sha ll be provided with a ccessible  featur es in a ccor dan ce with sections 1107 .6.4.1 an d 1107 .6.4.2 of th e code.

    1107 .6.4.1.   Accessible  un it s.   At  least  1  of th e  dwelling  or  sleeping  un it s  sha ll  be  an a ccessible un it .

    1107 .6.4.2.  Type  B un it s.  In  stru ctur es that  ha ve 4 or  more dwelling or  sleeping un it s int ended to be occu pied as a reside nce, every dwelling an d sleeping un it int ended to be occu pied as a reside nce sha ll be a type B un it .

    Exception: The num ber of type B un it s ma y be reduced in a ccor dan ce with section 1107 .7 of th e code.

    1107 .7.  Genera l exceptions.  Where specifically perm itt ed by sections 1107 .5 or 1107 .6 of th e code , th e required num ber of type A an d type B un it s ma y be reduced in a ccor dan ce with sections 1107 .7.1 to 1107 .7.5 of th e code.

    1107 .7.1. Buildings with out elevat or service. Where elevat or service is not provided in a building, only th e dwelling an d sleeping un it s that ar e locat ed  on  stories  indicat ed  in sections 1107 .7.1.1 an d 1107 .7.1.2 of th e code ar e required to be type A an d type B un it s. The num ber of type A un it s sha ll be determ ined in a ccor dan ce with section 1107 .6.2 of th e code.

    1107 .7.1.1. One story with type B un it s required.  At least 1 story conta ining dwelling un it s or sleeping un it s int ended to be occu pied as a reside nce sha ll be provided with an a ccessible entran ce from th e exterior of th e building. All un it s int ended to be occu pied as a reside nce on that  story sha ll be type B un it s.

    1107 .7.1.2. Additiona l stories with type B un it s. On all oth er stories that ha ve a building entran ce in proximity to arr ival point s int ended to serve un it s on that story, as indicat ed in sections 2.1 an d 2.2 of th e  code ,  all  dwelling  un it s  an d  sleeping  un it s  int ended  to  be occu pied as a reside nce served by that  entran ce on that  story sha ll be type B un it s.

    2.1.   Where th e slopes of th e un distur bed site measur ed between th e plann ed entran ce an d all vehicular or pedes tr ian arr ival point s with in 50 feet of th e plann ed entran ce ar e 10% or less; an d

     

    2.2.   Where th e slopes of th e plann ed finished gra de measur ed between th e entran ce an d a ll vehicular or pedes tr ian arr ival point s with in 50 feet of th e plann ed entran ce ar e 10% or less.

    Where such arr ival point s ar e not with in 50 feet (15,240 mm ) of th e entran ce, th e closes t arr ival point sha ll be used un less that arr ival point serves th e story required by section 1107 .7.1.1 of th e code.

    1107 .7.2. Multistory un it s. A mu lt istory dwelling or sleeping un it that is not provided with elevat or service is not required to be a type B un it . Where a mu lt istory un it is provided with externa l elevat or service to only 1 floor , th e floor provided with elevat or service sha ll be th e primar y entr y to th e un it , sha ll com ply with th e requirement s for a type B un it , an d a toilet facility sha ll be provided on that  floor .

    1107 .7.3. Elevat or  service to th e lowes t  story with un it s. Where elevat or service in th e building provides an a ccessible rout e only to th e lowes t story conta ining  dwelling  or sleeping un it s int ended to be occu pied as a reside nce, only th e un it s on that story that ar e int ended to be occu pied as a reside nce ar e required to be type B un it s.

    1107 .7.4. Site impra cticality.  On a site with mu lt iple non-elevat or buildings, th e num ber of un it s required by section 1107 .7.1 of th e code to be type B un it s is reduced to a percenta ge that  is equa l to th e percenta ge of th e ent ire site ha ving gra des , befor e development , which ar e less than  10%, when all of th e followin g con ditions ar e met:

    1. Not less than 20% of th e un it s required by section 1107 .7.1 of th e code on th e site ar e type B un it s.

    2.  Un it s required by section 1107 .7.1 of th e code , where th e slope between th e building entran ce serving th e un it s on that story an d a pedes tr ian or vehicular arr ival point is not more than  8.33%, ar e type B un it s.

    3.  Un it s required by section 1107 .7.1 of th e code , where an elevat ed walkway is plann ed between a building entran ce serving th e un it s on that story an d a pedes tr ian or vehicular arr ival point an d th e slope between th em is 10% or less ar e type B un it s.

    4.  Un it s served by an elevat or in a ccor dan ce with section 1107 .7.3 of th e code ar e type B un it s.

    1107 .7.5. Base flood elevat ion. The required num ber of type A an d type B un it s sha ll not apply to a site where th e lowes t floor or th e lowes t stru ctura l building members of non- elevat or buildings ar e required to be at or above th e base flood elevat ion resulting in:

    1.  A differ ence in elevat ion between th e minimum required floor elevat ion at th e primar y entran ces an d vehicular an d pedes tr ian  arr ival  point s  with in  50  feet  (15,240  mm ) exceedi ng 30 inches (762 mm ), an d

    2.  A slope exceedi ng 10% between th e minimum required floor elevat ion at th e primar y entran ces an d vehicular an d pedes tr ian arr ival point s with in 50 feet (15,240 mm ).

    Where no such arr ival point s ar e with in 50 feet (15,240 mm ) of th e primar y entran ces, th e closes t arr ival point sha ll be used.

    1108 .1. Genera l. In addition to th e oth er requirement s of th is cha pter, th e requirement s of sections 1108 .2 to 1108 .2.5 of th e code sha ll apply to specific occu pan cies.

    1108 .2. Asse mbly ar ea seat ing. Asse mbly ar eas that ha ve fixed seat ing sha ll com ply with sections 1108 .2.1 to 1108 .2.4.1 of th e code. Dining ar eas sha ll com ply with sections 1108 .2.5 to 1108 .2.5.2 of th e code.

     

    1108 .2.1.  Services.  Services an d facilities provided in ar eas not required to be a ccessible sha ll be provided on an a ccessible level an d sha ll be a ccessible .

    1108 .2.2. Wheelcha ir spaces. In th eat ers, bleachers, gran dstan ds, an d oth er fixed seat ing asse mbly ar eas, a ccessible wheelcha ir spaces sha ll be provided  in  a ccor dan ce with  ta ble 1108 .2.2.  At least 1 seat for a com pan ion sha ll be provided beside each wheelcha ir space.

     

    TABLE 1108 .2.2

    ACCESS IBLE WHEE LCHAIR SP ACES

     

    CAPACITY OF SEATING IN ASSEMBLY AREAS

    MINIMUM REQUIRED NU MBER OF WHEE LCHAIR SPACES

     

    4 to 25

    1

     

     

     

     

    26 to 50

    2

     

     

     

     

    51 to 100

    4

     

     

     

     

    101 to 300

    5

     

     

     

     

    301 to 500

    6

     

     

     

     

    Over 500

    6,  plus  1  additiona l  space

    for

    each

    tota l

    seat ing

    capacity increase of 200

     

     

     

     

     

    1108 .2.2.1. Wheelcha ir space clusters. Accessible wheelcha ir spaces sha ll be grouped in wheelcha ir space clusters in a ccor dan ce with ta ble 1108 .2.2.1

    Exception: In fixed seat ing asse mbly ar eas where sight lines require more than  1 step for a r ise in elevat ion between rows, th e minimum required num ber of wheelcha ir space clusters in that  ar ea sha ll be ½ of that  required by ta ble 1108 .2.2.1.

    1108 .2.3. Dispe rsion of wheelcha ir space clusters. Dispe rsion of wheelcha ir space clusters sha ll be based on th e availability of a ccessible rout es to var ious seat ing ar eas including seat ing at var ious level s in mu ltilevel facilities.

    1108 .2.3.1. Multilevel asse mbly seat ing ar eas. In mu ltilevel asse mbly seat ing  ar eas, wheelcha ir space clusters sha ll be provided on th e ma in floor level an d on 1 of each 2 additiona l floor or mezzan ine level s.

    Exceptions:

    1.  In mu ltilevel  asse mbly spaces ut ilize d for worship services, where th e secon d floor or mezzan ine level conta ins 25% or less of th e tota l seat ing capacity, wheelcha ir space clusters sha ll be perm itt ed to all be locat ed on th e ma in level.

    2. In mu ltilevel asse mbly seat ing where th e se con d floor or mezzan ine level provides 25% or less of th e tota l seat ing capacity an d 300 or fewer seat s, wheelcha ir space clusters sha ll be perm itt ed to all be locat ed on th e ma in level.

     

    TABLE 1108 .2.2.1

    WHEE LCHAIR SP ACE CLUS TERS

     

    CAPACITY OF SEATING IN ASSEMBLY AREAS

    MINIMUM REQUIRED NU MBER OF WHEE LCHAIR SPACE CLUSTERS

    Up to 300

    1

    301 to 600

    2

    601 to 900

    3

    901 to 1,500

    4

     

     

     

    1108 .2.3.2. Sep arat ion between clusters. Wheelcha ir space clusters sha ll be sep arat ed by not less than 5 int ervening rows or by not less than  10  int ervening seat s.  Wheelcha ir spaces with in an y 1 wheelcha ir space cluster sha ll not be sep arat ed by an int ervening row, nor by more than 2 int ervening seat s, nor by more than a 7-inch (178 mm ) vert ical level chan ge.

    Exception: A vert ical level chan ge exceedi ng 7 inches (178 mm ) is perm itt ed  in  a wheelcha ir space cluster where necess ar y to ma inta in sight lines.

    1108 .2.4. Assistive listening systems. Sta dium , th eat ers, au ditorium s, lectur e ha lls, an d similar fixed seat ing asse mbly ar eas where au dible commun icat ions ar e int egra l to th e use of th e space sha ll ha ve an assistive listening system if th e ar ea is equipped with an au dio am plificat ion system or th e ar ea ha s a capacity of 50 or more persons.

    1108 .2.4.1.    Receivers.    Receivers  sha ll  be  provided  for  assistive  listening  systems  in a ccor dan ce with ta ble 1108 .2.4.1. Twent y-five percent of receivers, but not less than  2, sha ll be hear ing aid com pat ible.

     

    TABLE 1108 .2.4.1

    RE CEIVERS  FOR ASS ISTIVE LISTEN ING SYSTEMS

     

    CAPACIT Y OF SEATING IN ASSEMBLY AREAS

    MINIMUM REQUIRED NU MBER OF RECEIVERS

    Less than  50

    2

    50 to 500

    2, plus 4 for each tota l seat ing

     

    capacity increase of 100 above 51

    501 to 1,000

    20, plus 3 for each tota l seat ing

     

    capacity increase of 100 above 501

    1,001 to 2,000

    35, plus 2 for each tota l seat ing

     

    capacity increase of 100 above 1,001

    over 2,000

    55, plus 1 for each tota l seat ing capacity increase of 100 above

    2,000

     

    1108 .2.5. Dining ar eas. In dining ar eas, th e tota l floor ar ea a llott ed for seat ing an d ta ble sha ll be a ccessible .

    Exception:  In buildings with out elevat ors, an accessible  rout e to a mezzan ine seat ing ar ea is not required, where th e mezzan ine conta ins less than 25% of th e tota l ar ea an d th e sam e services ar e provided in th e a ccessible ar ea.

    1108 .2.5.1. Fixed or built-in seat ing or ta bles . Where fixed or built-in seat ing or ta bles ar e provided in dining ar eas, not less than  5%, but not less than  1 such seat or  ta ble, sha ll be a ccessible an d be distr ibut ed thr oughout th e facility.

     

    1108 .2.5.2 Dining count ers.  In esta blishm ent s serving food or drink for con sum ption where th e only seat ing is at count ers exceedi ng 34 inches (864 mm ) in height , a 60-inch (1524 mm ) minimum length port ion of th e count er sha ll be a ccessible .

    1108 .3 Self-se rvice stora ge facilities. Self-se rvice stora ge facilities sha ll provide a ccessible individua l self-st ora ge spaces in a ccor dan ce with ta ble 1108 .3.

     

    TABLE 1108 .3

    ACCESS IBLE SE LF-SER VICE STORAGE FACILITI ES

     

    TOTAL SPACES IN FACILIT Y

    MINIMUM       NU MBER        OF         REQUIRED ACCESSIBL E SPACES

    1 to 200

    Over 200

    5%, but not less than  1

    10 , plus 2% of tota l num ber of un it s over 200

     

    1108 .3.1. Dispe rsion.  Accessible  individua l self-se rvice stora ge spaces  sha ll be dispe rsed thr oughout th e var ious classes of spaces provided. Where more classes of  spaces  ar e provided than th e num ber of required  a ccessible  spaces, th e num ber  of a ccessible  spaces sha ll not be required  to  exceed  that  required  by  ta ble  1108 .3.  Accessible  spaces  ar e perm itt ed to be dispe rsed in a single building of a mu ltibuilding facility.

    1109 .1. Genera l. Accessible building featur es an d facilities sha ll be provided in a ccor dan ce with sections 1109 .2 to 1109 .14.2 of th e code.

    Exception: Type A an d type B dwelling un it s sha ll comply with ICC/ANSI A117 .1 listed in cha pter 35.

    1109 .2. Toilet an d bath ing facilities. Toilet r oom s an d bath ing facilities sha ll be a ccessible . Where a floor level is not required to be conn ected by an  a ccessible  rout e, th e only toilet r oom s or bath ing facilities  provided  with in  th e  facility  sha ll  not  be  locat ed  on  th e ina ccessible  floor .  At least 1 of each type of fixtur e, element , contr ol, or dispe nser in each a ccessible toilet r oom an d bath ing facility sha ll be a ccessible .

    Exceptions:

    1. In toilet r oom s or bath ing facilities a ccessed only thr ough a privat e office, not for comm on or public use, an d int ended for use by a single occu pant , an y of th e followin g alternat ives ar e allowed:

    1.1. Door s ar e perm itt ed to swing int o th e clear floor space if th e door swing can be reversed to meet th e requirement s in ICC/ANSI A117 .1 listed in cha pter 35.

    1.2. The height requirement s for th e wat er closet in ICC /ANSI A117 .1 listed in cha pter 35 ar e not applicable.

    1.3. Gra b bar s ar e not required to be insta lled in a toilet r oom , if th e rein for cement ha s been insta lled in th e walls an d locat ed so as to perm it th e insta llat ion of such gra b bar s.

    1.4. The requirement for height , kn ee, an d toe clearan ce sha ll not apply to a lavat ory.

    2.  This section is not applicable  to dwelling un it s, sleeping a ccomm odat ions, an d pat ient toilet an d bath ing facilities that ar e not required to be a ccessible by section 1108  of th e code.

    3.  Where mu lt iple single-user toilet r oom s or bath ing facilities  ar e clustered at a  single locat ion  an d  conta in  fixtur es,  in  excess  of th e  minimum  required  num ber  of plum bing

     

    fixtur es, not less than  5%, but  not less than  1 r oom for each use at  each cluster, sha ll be a ccessible .

    4.  Toilet r oom fixtur es that ar e in excess of th ose required by th e plum bing code an d that ar e des ignat ed for use by children in day car e an d primar y sch ool occu pan cies.

    1109 .2.1.   Un isex toilet an d bath ing r oom s.   In asse mbly an d mercant ile occu pan cies, an a ccessible un isex toilet r oom sha ll be provided where an aggregat e of 6 or more ma le an d fema le wat er closets ar e required. In buildings of mixed occu pan cy, only th ose wat er closets required for th e asse mbly or mercant ile occu pan cy sha ll be used to determ ine th e un isex toilet r oom requirement . In recreat iona l facilities where sep arat e-sex bath ing r oom s ar e provided , an  a ccessible  un isex bath ing r oom  sha ll be  provided .  Fixtur es  locat ed  with in un isex toilet an d bath ing r oom s sha ll be included in determ ining th e num ber of fixtur es provided in an occupan cy.

    Exception: Where each sep arat e-sex bath ing r oom ha s only 1 shower or bathtu b fixtur e, a un isex bath ing r oom is not required.

    1109 .2.1.1. Stan dar d. Un isex toilet an d bath ing r oom s sha ll com ply with th is section an d ICC/ANSI A117 .1 listed in cha pter 35.

    1109 .2.1.2. Un isex toilet r oom s. Un isex toilet r oom s sha ll include only 1 wat er closet an d only 1 lavat ory. A un isex bath ing room in accordan ce with section 1109 .2.1.2 of th e code sha ll be con sidered a un isex toilet r oom .

    Exception:  A sep arat e-sex toilet  r oom  conta ining not  more than  2 wat er  closets with out ur ina ls, or conta ining only 1 wat er closet an d 1 ur ina l sha ll be con sidered a un isex toilet r oom .

    1109 .2.1.3. Un isex bath ing r oom s. Un isex bath ing r oom s sha ll include only 1 shower or bathtu b fixtur e. Un isex bath ing r oom s sha ll also include 1 wat er closet an d 1 lavat ory. Where stora ge facilities ar e provided for sep arat e-sex bath ing r oom s, a ccessible stora ge facilities sha ll be provided for un isex bath ing r oom s.

    1109 .2.1.4. Locat ion.  Un isex toilet  an d bath ing r oom s sha ll be locat ed on  an  a ccessible rout e. Un isex toilet r oom s sha ll be locat ed not more than 1 story above or below sep arat e- sex toilet r oom s.  The a ccessible  rout e from an y sep arat e-sex toilet r oom to a un isex toilet r oom sha ll not exceed 500 feet (152 mm ).

    1109 .2.1.5.   Pr ohibited  locat ion.   In  passe nger  tran sportat ion  facilities  an d  airport s, th e a ccessible rout e from  sep arat e-sex  toilet  r oom s  to  a  un isex  toilet  r oom  sha ll  not  pass thr ough secur ity checkpoint s.

    1109 .2.1.6. Clear floor space. Where door s swing int o a un isex toilet or bath ing r oom , a clear floor space not less than 30 inches by 48 inches (762 mm by  1,219  mm ) sha ll be provided , with in th e r oom , beyond th e ar ea of th e door swing.

    1109 .2.1.7. Pr ivacy. Door s to un isex toilet  an d  bath ing r oom s  sha ll be  secura ble  from with in th e r oom .

    1109 .2.2. Wat er closet com partm ent . Where wat er closet com partm ent s ar e provided in a toilet r oom or bath ing facility, at least 1 wheelcha ir -a ccessible com partm ent sha ll be provided . Where th e com bined tota l wat er closet com partm ent s an d ur ina ls provided in a toilet r oom  or bath ing facility is 6 or more, at least  1 am bulat ory-a ccessible  wat er closet com partm ent sha ll be provided in addition to th e wheelcha ir -a ccessible com partm ent . Wheelcha ir -a ccessible an d am bulat ory-a ccessible com partm ent s sha ll  com ply  with ICC/ANSI A117 .1 listed in cha pter 35.

     

    1109 .3.  Sink s.  Where sink s ar e provided, not less than  5%, but not less than  1, provided in a ccessible spaces sha ll com ply with ICC /ANSI A117 .1 listed in cha pter 35.

    Exceptions:

    1. Mop or service sink s ar e not required to be a ccessible .

    2. Sink s des ignat ed for use by children in day car e an d primar y sch ool occu pan cies.

    1109 .4.  Kitchens, kitchenett es, an d wet bar s.   Where kitchen, kitchenett es, an d wet bar s ar e provided in a ccessible spaces or r oom s, th ey sha ll  be a ccessible in a ccor dan ce with ICC/ANSI A117 .1 listed in cha pter 35.

    1109 .5. Drink ing founta ins. On floor s where drink ing founta ins ar e provided , not less than 50%, but not less than  1 founta in, sha ll be a ccessible .

    1109 .6. Elevat ors. Pa sse nger  elevat ors  on  an  a ccessible  rout e  sha ll  be  a ccessible  an d com ply with section 3001 .3 of th e code.

    1109 .7. Lifts. Plat form (wheelcha ir ) lift s sha ll not be a part of a required a ccessible rout e in new con stru ct ion.

    Exceptions:  Plat form (wheelcha ir) lift s ar e perm itt ed for :

    1. An a ccessible rout e to a per form ing ar ea in occu pan cies in group A.

    2. An a ccessible rout e to wheelcha ir spaces required by section 1107 .2.2 of th e code .

    3. An a ccessible rout e to spaces that ar e not open to th e genera l public an d that  do not ha ve an occupant load of more than  5.

    4. An a ccessible rout e with in a dwelling un it .

    5. An a ccessible rout e to wheelcha ir seat ing spaces locat ed in out door dining terra ces in A-5 occu pan cies where th e mean s of egress from th e dining terra ces to a public way is open to th e out door s.

    1109 .8 Stora ge. Where fixed or built-in stora ge element s, such  as  cabinets,  shelves , medicine cabinets, closets, an d dra wers, ar e provided in required a ccessible  spaces, at least

    1 of  each type sha ll  conta in  stora ge  space  complying  with  ICC/ANSI  A117 .1  listed  in cha pter 35.

    1109 .8.1. Locker s. Where locker s ar e provided in a ccessible spaces, not less than  5%, but not less than  1, of each type sha ll be a ccessible .

    1109 .8.2. Shelving an d display un it s. Self-se rvice shelves an d display un it s in mercant ile occu pan cies an d shelving in sta ck ar eas of librar ies sha ll be locat ed on an a ccessible rout e. Such shelving an d display un it s sha ll not be required to comply with reach-ran ge provisions.

    1109 .8.3. Coat h ooks an d foldin g shelves .  Where coat h ooks or foldin g shelves ar e provided in ina ccessible toilet r oom s, toilet com partm ent s, or in dressi ng, fitt ing, or locker r oom s, at least 1 of each type sha ll be provided in a ccessible toilet r oom s, toilet com partm ent s, an d dressi ng, fitt ing, an d locker r oom s.

    1109 .9. Detecta ble warn ings.  Pa sse nger tran sit plat form  edges  bordering a drop-off an d not protected by plat form screens or guar ds sha ll ha ve a detecta ble warn ing.

    Exception:  Detecta ble warn ings ar e not required at bus stops.

    1109 .10.  Asse mbly  ar ea  seat ing.  Asse mbly  ar eas  that  ha ve  fixed  seat ing  in  every occu pan cy sha ll com ply with section 1108 .2 of th e code for a ccessible seat ing an d assistive listening devices.

     

    1109 .11.  Seat ing at ta bles , count ers, an d work sur faces.  Where seat ing at fixed or built-in ta bles , count ers, or work sur faces is provided in a ccessible spaces, not less than 5% of th e seat ing, but not less than  1, sha ll be a ccessible .

    1109 .11.1.  Dispe rsion.  Accessible  fixed  or  built-in  seat ing  at  ta bles , count ers, or  work sur faces sha ll be distr ibut ed thr oughout th e  space  or  facility  conta ining  th e  ta bles , count ers, or work sur faces.

    1109 .12.     Customer   services  facilities.     Customer   service  facilities  sha ll  provide  for a ccessible featur es in a ccor dan ce with sections 1109 .12.1 to 1109 .12.5 of th e code .

    1109 .12.1. Dressi ng, fitt ing, an d locker r oom s.  Where dressi ng r oom s, fitt ing r oom s, or lock er r oom s ar e provided, not less than 5%, but not less than 1, of each type of use in each cluster provided sha ll be a ccessible .

    1109 .12.2. Check-out aisles. Where check-out  aisles  ar e  provided,  a ccessible  check-out aisles sha ll be provided in a ccor dan ce with ta ble 1109 .12.2. Where check-out aisles serve differ ent fun ct ions, at least 1 a ccessible check-out aisle sha ll be provided for each fun ct ion. Where check-out aisles ar e dispe rsed thr oughout th e building or facility, a ccessible  check- out aisles sha ll also be dispe rsed. Tra ffic contr ol devices, secur ity devices, an d turn stiles locat ed in a ccessible check-out aisles or lan es sha ll be a ccessible .

    Exception:  Where th e ar ea of th e selling space is less than  5,000 squar e feet (465 m2), only 1 check-out aisle is required to be a ccessible .

     

    TABLE 1109 .12 .2

    ACCESS IBLE CHE CK-OUT AISLES

     

    TOTAL CHE CK-OUT AISL ES OF EACH FUN CTIO N

    MINIMUM NU MBER OF

    ACCESSIBL E CHE CK-OUT AISLES EACH FUN CTIO N

    1 t o 4

    1

    5 t o 8

    2

    9 to 15

    3

    Over 15

    3, plus 20% of additiona l aisles

     

    1109 .12.3. Point of sales an d services count ers. Where count ers ar e provided for sales or distr ibut ion of goods or services, at least 1 of each type provided sha ll be a ccessible . Where such count ers ar e dispe rsed  thr oughout  th e  building or  facility, th e  a ccessible  count ers sha ll also be dispe rsed.

    1109 .12.4. F ood service lines. F ood services lines sha ll be a ccessible . Where self-se rvice shelves ar e provided , not less than  50%, but not less than  1, of each type provided sha ll be a ccessible .

    1109 .12.5. Queue an d waiting lines.  Queue an d waiting lines servicing a ccessible  count ers or check-out aisles sha ll be a ccessible .

    1109 .13. Contr ols, operat ing mechan isms, an d har dwar e.  Contr ols, operat ing mechan isms, an d har dwar e int ended for operat ion  by  th e  occu pant ,  including  switches  that  contr ol light ing  an d  vent ilat ion  an d  electr ical  con venience  out lets,  in  a ccessible   spaces,  along a ccessible rout es or as part s of a ccessible element s sha ll be a ccessible .

    1109 .13.1. Ope ra ble windows. Where opera ble  windows ar e provided in r oom s that ar e required to be a ccessible  in a ccor dan ce with sections 1107 .3.1, 1107 .3.2 an d 1107 .5.1 of th e

     

    code , at least 1 window in each r oom sha ll be a ccessible an d each required opera ble window sha ll be a ccessible .

    Exception:  Accessible windows ar e not required in bathr oom s or kitchens.

    1110 .1.  Signs.  Required a ccessible element s sha ll be ident ified by th e int ernat iona l symbol of a ccessibili ty at th e followin g locat ions:

    1.  Accessible  park ing spaces required by section 1106 .1 of th e code , except where th e tota l num ber of park ing spaces provided is 5 or less.

    2. Accessible  passe nger loading zones.

    3. Accessible ar eas of refuge required by section 1103 .2.13.5 of th e code .

    4.  Accessible  r oom s where mu lt iple single-user  toilet  or  bath ing rooms ar e clustered  at  a single locat ion.

    5. Accessible entran ces where not all entran ces ar e a ccessible .

    6. Accessible check-out aisles where not all aisles ar e a ccessible . The sign, where provided, sha ll be above th e check-out aisle in th e sam e locat ion as th e check-out aisle num ber or type of check-out ident ificat ion.

    7. Un isex toilet an d bath ing r oom s.

    8. Accessible dressi ng, fitt ing, an d locker r oom s where not all such r oom s ar e a ccessible .  1110 .2.   Directiona l signa ge.   Directiona l signa ge indicat ing th e rout e to th e near est like a ccessible element s sha ll be provided at th e followin g locat ions:

    1. Ina ccessible  building entran ces.

    2. Ina ccessible  public toilets an d bath ing facilities.

    3. An elevat or not serving an a ccessible rout e.

    4. At each sep arat e-sex toilet an d bath ing r oom indicat ing th e locat ion of th e near est un isex toilet or bath ing r oom where provided in a ccor dan ce with section 1108 .2.1 of th e code .

    Directiona l signs sha ll include th e int ernat iona l symbol of a ccessibili ty.

    1110 .3.  Oth er signs.  Signa ge indicat ing spe cial a ccessibili ty provisions sha ll be provided as follows:

    1.  In asse mbly ar eas required to com ply with section 1107 .2.4 of th e code , a sign notifying th e genera l public of th e availability of  assistive  listening  systems  sha ll  be  provided  at t icket offices or similar locat ions.

    2.   Ea ch  door  to an  exit  sta irway sha ll ha ve  a  ta ctile  sign, including ra ised  lett ers  an d bra ille, stat ing:  EXIT.

    3. At exits an d elevat ors serving a required a ccessible  space, but not providing an approved a ccessible mean s of egress , signs sha ll be insta lled indicat ing  th e  locat ion  of a ccessible mean s of egress .

     

    R 408 .30427 a Resc inded . R 408 .30427b Resc inded . R 408 .30427 c Resc inded . R 408 .30427 d Resc inded . R 408 .30427 e   Resc inded .

     

     

     

    R 408 .30429   Hig h-ri se buildi ngs .

    Rule 429 .  Section 403 .1 of th e code is am ended to read as follows :

    403 .1. Applicability. The provisions of th is  section  sha ll apply to buildings  ha ving th e occu pied floor s locat ed more than  55 feet above th e lowes t level of fire dep artm ent vehicle a ccess .

    Exception: The provisions of th is section sha ll not apply to th e followin g buildings an d stru ctur es:

    1. Airport tra ffic contr ol towers in a ccor dan ce with section 412 of th e code.

    2. Ope ning park ing gara ges in a ccor dan ce with section 406 .3 of th e code .

    3.  Buildings with an occu pan cy in group A-5 in a ccor dan ce with section 303 .1 of th e code .

    4. Low-ha zar d special industr ial occu pan cies in a ccor dan ce with section 503 .1.2 of th e code .

    5. Buildings with an occu pan cy in group H-1, H-2, or H-3 in a ccor dan ce with section 415 of th e code.

    6.  Existing buildings ha ving occupied floor level s not more than 75 feet above th e lowes t level of fire dep artm ent vehicle a ccess where th e loca l un it of governm ent com plies with th e following:

    6.1.  The local un it of governm ent ha s a mun icipal fire dep artm ent with an ISO rat ing of 3 or lower, employing a full t ime car eer fire fight ing sta ff.

    6.2.  The govern ing body of th e local un it of governm ent  ha s passed a resolut ion affirm ing th e use of th is exception an d filed that resolut ion with th e dep artm ent of con sum er an d industr y services, bur eau of con stru ct ion codes .

     

    R 408 .30430   Liq u ified pet roleum  gas  dist rib u tio n faci liti es .

    Rule 430 .  Section 415 .7.3 of th e code is am ended to read as follows :

    415 .7.3. Liquified petr oleum gas distr ibut ion facilities. The des ign an d  con stru ct ion  of propan e, butan e, propylene, but ylene, an d oth er liquefied petr oleum gas distr ibut ion facilities sha ll con form to th e applicable provisions of sections 415 .7.3.1 to 415 .7.3.5.2 of th e code. The stora ge an d han dling of liquified  petr oleum  gas systems sha ll con form  to th e int ernat iona l fire code listed in cha pter 35. The des ign an d insta llat ion of piping, equipment , an d systems that ut ilize liquified petr oleum gas sha ll be in a ccor dan ce with th e int ernat iona l fuel gas code listed in cha pter 35. Liquified petr oleum  gas  distr ibut ion facilities  sha ll  be  vent ilat ed  in   a ccor dan ce  with   th e  Michigan   mechan ical  code ,  R 408 .30901 a to R 408 .30998 a , an d th e requirement s of 1941 PA 207 .

     

    R 408 .30432   Flammab le and  com bus tibl e liq u ids .

    Rule 432 .  Section 415 .7.2 of th e code is am ended to read as follows :

    415 .7.2.  Flamma ble  an d  com bustible  liquids.  The  stora ge,  han dling,  pr ocessi ng,  an d tran sport ing of flamma ble an d com bustible liquids sha ll be in a ccor dan ce with th e Michigan mechan ical code, R 408 .30901 a to R 408 .30998 a , an d th e int ernat iona l fire code listed in cha pter 35, an d th e requirement s of 1941 PA 207 .

     

    R 408 .30437   Spaces  used  for di ffe ren t pu rposes .

    Rule 437 .  Section 302 .4 is added to th e code to read as follows :

     

    302 .4. Spaces used for differ ent pur poses.  A r oom or space that  is int ended to be occu pied at differ ent t imes for differ ent pur poses sha ll com ply with all requirement s that ar e applicable to each of th e pur poses for which th e r oom or space will be occu pied.

     

    R 408 .30443   Res id en tial  group  R.

    Rule 443 .  Section 310 .1 of th e code is am ended to read as follows :

    310 .1. Reside nt ia l group “R.” Reside nt ia l group “R” includes , am ong oth ers, th e use of a building or stru ctur e, or a port ion th ereof, for sleeping pur poses when not classed as an institut iona l group I.  Reside nt ia l occu pan cies sha ll include all of th e followin g:

    (a)   R-1             Reside nt ia l occu pan cies where th e occu pant s ar e primar ily tran sient in natur e (less than  30 days) including both of th e followin g:

    (i)   Boar ding houses tran sient .

    (ii)   Hotels, including motels.

    (b)   R-2             Reside nt ia l occupan cies conta in ing more than 2  dwelling  un it s  where  th e occu pant s ar e primar ily perman ent in natur e, including all of th e followin g:

    (i)   Apartm ent houses.

    (ii)   Boar ding houses , not tran sient .

    (iii)    Convent s.

    (iv)   Dorm itories.

    (v)   Frat ern ities an d sororities.

    (vi)   Mona steries.

    (c)  R-3             Reside nt ial occu pan cies where th e occu pant s ar e primar ily  perman ent  in natur e an d not classified as R-1, R-2, or I an d where buildings do not conta in more than 2 dwelling un it s, or adult an d child car e facilities that provide a ccomm odat ions for 5 or fewer persons of an y age for less than  24 hour s.

    (d)   R-4             Reside nt ia l  occupan cies  include  buildings  arran ged  for  occupan cy  as reside nt ial car e/assisted living facilities, including more  than  5,  but  not  more  than   16, occu pant s, excluding sta ff.

    Group R-4 occu pan cies sha ll meet th e requirement s for con stru ct ion as defined for group R- 3, except for th e height an d ar ea limitat ions provided in section 503 of th e code .

    R 408 .30445  Aut omat ic sprink ler systems.

    Rule 445 .  Section 903 .2.12.3 of th e code is am ended to read as follows :

    903 .2.12.3. Buildings more than 30 feet in height . An aut omat ic sprink ler system sha ll be insta lled thr oughout a building that ha s a floor level which ha s an occupant load of 30 or more occu pant s an d which  is  locat ed  30  feet  or  more  above  th e  lowes t  level  of  fire dep artm ent vehicle a ccess .

    Exceptions:

    1. Airport contr ol towers.

    2. Ope n park ing stru ctur es.

    3. Occupan cies in group F-2.

    4.  Existing buildings ha ving occupied floor level s not more than 55 feet in height above th e lowes t level of fire dep artm ent vehicle a ccess , where th e loca l un it of governm ent com plies with th e followin g param eters:

    4.1. The local un it of governm ent ha ving a mun icipal fire dep artm ent with an ISO rat ing of 3 or lower, employing a full t ime car eer fire fight ing sta ff.

     

    4.2.  The govern ing body of th e local un it of governm ent  ha s passed a resolut ion affirm ing th e use of th is exception an d filed that resolut ion with th e dep artm ent of con sum er an d industr y services, bur eau of con stru ct ion codes .

     

    R 408 .30447   Smokep roo f enc losu res .

    Rule 447 .  Section 1005 .3.2.5 of th e code is am ended to read as follows :

    1015 .3.2.5.  Smokepr oof enclosur es.  In buildings required to comply with section 403 or 405 of th e code , each of th e exits of a building that serves stories where th e floor sur face is locat ed  more than  55 feet  (16,764  mm ) above th e lowes t  level of fire dep artm ent  vehicle a ccess or more than 30 feet (9,144 mm ) below th e level of exit dischar ge serving such floor level s sha ll be a smokepr oof enclosur e or press ur ized sta irway in a ccor dan ce with section 909 .20 of th e code .

     

    R 408 .30448   Elec trical .

    Rule 448 .  Sections 2701 .1 an d 2702 .1 of th e code ar e am ended to read as follows :

    2701 .1. Scope . This cha pter govern s th e electr ical com ponent s, equipment , an d systems used in buildings an d stru ctur es cover ed by th e code . Electr ical com ponent s, equipment , an d systems sha ll be des igned an d con stru cted in a ccor dan ce with  th e Michigan electr ical code, R 408 .30801 to R 408 .30880 .

    2702 .1. Insta llat ion. Em ergency an d stan dby power systems sha ll  be  insta lled  in accordan ce with th e Michigan electr ical code, R 408 .30801 to R 408 .30880 .

     

     

     

     

    R 408 .30448 d  Ground  sno w loads .

    Rule 448d .  Figur e 1608 .2 of th e code is am ended to read as follows :

     

    FIGURE 1608 .2

    Ground  Sno w Loads

     

     

     

     

     

    R 408 .30449   Frost  protection .

    Rule 449 .  Section 1805 .2.1 of th e code is am ended to read as follows :

    1805 .2.1. Fr ost protection. Except  when  erected  upon  solid r ock  or  oth erwise  protected from frost, a foun dat ion wall,  pier,  an d  oth er  perman ent  support  of  all  buildings  an d stru ctur es lar ger than 400 squar e feet (37 m2)in ar ea or 10 feet (3,048 mm ) in height sha ll extend a minimum of 42 inches, (1,067 mm ) below actua l gra de an d spread foot ings of adequat e size sha ll be provided where necess ar y to properly distr ibut e th e load with in th e a llowable bear ing value of th e soil. Alternat ively, th e stru ctur es sha ll be support ed on piles when  solid earth  or  r ock is not  available.  F oot ings sha ll not  be foun ded  on  frozen  soils un less th e frozen con dition is of a perman ent chara cter.

    Exception: Upon evide nce of th e existence of an y of th e followin g con ditions, th e building officia l ma y modify th e foot ing dep th a ccor dingly:

    1. Fr eezing temperatur es.

    2. Soil type.

    3. Groun dwat er con ditions.

    4. Snow dep th expe rience.

    5. Exposur e to th e element s.

    6.   Oth er specific con ditions ident ified  by  th e  building  officia l  that  might  a ffect  th e foun dat ion system.

     

    R 408 .30451 c  Flood  zo nes .

    Rule 451 c.  Section 1612 .4 of th e code is am ended to read as follows :

    1612 .4. Desig n an d con stru ct ion. Buildings an d stru ctur es locat ed in flood ha zar d ar eas subject to high vel ocit y wave action sha ll be des igned an d con stru cted in a ccor dan ce with ASCE 24 listed in cha pter 35. Type II buildings ident ified by ASCE sha ll ha ve th e lowes t floors elevat ed 1 foot above des ign flood elevat ions. Type III an d IV buildings sha ll ha ve th e lowes t floor s elevat ed 1 foot above th e 500 -year flood level.

     

    R 408 .30453   P lum bi ng systems .

    Rule 453 .  Section 2901 .1 of th e code is am ended to read as follows :

    2901 .1.  Scope .   The  provisions  of  th is  cha pter  an d  th e  Michigan  plum bing  code ,  R 408 .30701 to R 408 .30796 , sha ll govern th e erection, insta llat ion, alterat ion,  repairs, relocat ion, replacement , addition to, use or ma int enan ce of, plum bing equipment an d systems. Plum bing systems an d equipment sha ll be con stru cted, insta lled, an d ma inta ined in accordan ce with th e Michigan plum bing code, R 408 .30701 to R 408 .30796 .

     

    R 408 .30457   Mechan ical  systems .

    Rule 457 .  Section 2801 .1 of th e code is am ended to read as follows :

    2801 .1. Scope.  Mechan ical  applian ces,  equipment ,  an d  systems  sha ll  be  con stru cted, insta lled, an d ma inta ined in a ccor dan ce with th e Michigan mechan ical code , R 408 .30901 a to R 408 .30998 a, an d th e int ernat iona l  fuel  gas  code  listed  in  cha pter  35.  Masonr y chimn eys, fireplaces, an d bar beques sha ll comply with th e Michigan  mechan ical code, R 408 .30901 a to R 408 .30998 a , an d cha pter 21 of th e code .

     

    R 408 .30458   Eleva tors  and  conveying   systems .

    Rule 458 .  Sections 3001 .1 an d 3001 .2 of th e code ar e am ended an d sections 3001 .2.1 an d 3001 .2.2 ar e added to th e code to read as follows :

    3001 .1.  Scope .   The des ign, con stru ct ion, insta llat ion, alterat ion, an d repair  of elevat ors an d con veying systems an d th eir equipment sha ll con form with th e requirement s of th e Michigan elevat or laws an d ru les, MCL  408 .801  et  seq., MCL  338 .2151  et  seq., an d  R 408 .8101 to R 408 .8695 an d th is cha pter. Insta llat ion or constru ct ion in flood ha zar d ar eas esta blished in section 1612 .3 sha ll com ply with ASCE 24 listed in cha pter 35.

    3001 .2. Oth er devices.  Oth er devices sha ll con form to th e requirement s of sections 3001 .2.1 an d 3001 .2.2 of th e code .

    3001 .2.1. Conveyors.  Conveyors an d relat ed equipment sha ll con form to th e requirement s of ASME B20 .1 listed in cha pter 35.

    3001 .2.2. Aut omotive lift s. Aut omotive lift s sha ll con form to th e requirement s of ALI ALCTV listed in cha pter 35 .

     

    R 408 .30461   Sepa rate  st ruc tures .

    Rule 461 .  Section 3104 .2 of th e code is am ended to read as follows :

    3104 .2.  Sep arat e  stru ctur es.  Conn ected  buildings  sha ll  be  con sidered  to  be  sep arat e stru ctur es.

    Exceptions:

    1. Buildings on th e sam e lot in a ccor dan ce with section 503 .1.3 of th e code .

    2. For pur poses of calculat ing th e num ber of type B un it s required by cha pter 11 of th e code stru ctura lly conn ected buildings an d buildings that ha ve mu lt iple wings ar e considered 1 stru ctur e.

     

    R 408 .30475  Existi ng st ruc tures .

    Rule 475 .  Sections 3408 .1, 3408 .3, 3408 .5, an d 3408 .6 of th e code ar e am ended to read as follows:

    3408 .1. Scope .  The  provisions  of sections  3408 .2  to 3408 .8.5  of th e  code  apply  to th e ma int enan ce, chan ge of occu pan cy, additions, an d alterat ions to existing buildings, including th ose ident ified as  historic  buildings  in  a ccor dan ce  with  1966  PA  1,  MCL 125 .1351 et seq.

    3408 .3. Chan ge of occu pan cy.  Un less techn ically infeasible, section 3408 .5 of th e code sha ll be applied in accordan ce with 1966 PA 1, MCL 125 .1351 et seq.

    3408 .5. Alterat ions. A building, facility, or element that is altered sha ll com ply with th e applicable provisions in cha pter 11 of th e code an d ICC/ANSI A117 .1 listed in cha pter 35, un less techn ically infeasible.   When com plian ce with  th is section is techn ically infeasible, th en th e alterat ion sha ll provide a ccess to th e ma ximum extent techn ically feasible.

    Exceptions:

    1.  The altered element or space is not required to be on an a ccessible rout e, un less required by section 3408 .6 of th e code .

    2.  Accessible mean s of egress required by cha pter 10 of th e code ar e not required to be provided in existing buildings an d facilities.

    3.  Buildings, stru ctur es, or improved ar eas which  exist  on  or  befor e th e effect ive dat e of th ese ru les an d which ar e in com plian ce with  th e code at  th e t ime of th e issuan ce of th e

     

    cert ificat e of occu pan cy un less th e alterat ion spe cifically modifies an ar ea cover ed by sections 3408 .6 to 3408 .8.5 of th e code.

    3408 .6.  Alterat ions affecting an  ar ea conta ining a primar y fun ct ion.  When an  alterat ion a ffect s th e a ccessibili ty to, or conta ins an ar ea of primar y fun ct ion, th en th e rout e to th e primar y fun ct ion ar ea sha ll be  a ccessible .  The a ccessible  rout e to th e primar y fun ct ion sha ll include a ccessible toilets  an d  drink ing  founta ins  serving  th e  ar ea  of th e  primar y fun ct ion.

    Exceptions:

    1. The cost s of providing th e a ccessible rout e is not required to exceed 20% of th e cost s of th e alterat ions a ffect ing th e ar ea of primar y fun ct ion.

    2.  This section does not apply to alterat ions limited solely to windows, har dwar e, operat ing contr ols, electr ical out lets, an d signs.

    3.  This section does not apply to alterat ions limited solely to mechan ical systems, electr ical systems, th e  insta llat ion  or  alterat ion  of fire-protection  systems,  an d  th e  abat ement  of ha zar dous mat erials.

    4.   This section does not apply to alterat ions un dertak en for th e primar y pur pose of increasing th e a ccessibili ty of an existing building, facility, or element .

     

    R 408 .30476   Ext eri or enve lope  requiremen ts .

    Rule 476 .  Section 1301 .1.1 of th e code is am ended to read as follows :

    1301 .1.1. Genera l. Buildings sha ll be des igned an d con stru cted in a ccor dan ce with th e Michigan un iform energy code, part 10 ru les, R 408 .31001 to R 408 .31099 .

     

    R 408 .30495   Rod en t proo fing .

    Appe ndix F 101 .1 of th e code is am ended to read as follows :

    F 101 .1.  Genera l.  Buildings or stru ctur es an d th e walls enclosing ha bita ble or  occu piable r oom s an d spaces in which people live, sleep, or work , or in which feed, food, or foods tu ff is stored, prepar ed, pr ocessed , served, or sold sha ll be con stru cted in a ccor dan ce  with th is section. Oth er buildings ar e subject to th ese requirement s as provided in section F 101 .1.1 of th e code.

    F 101 .1.1. Additiona l buildings.  In a commun ity that  ha s a verm in infestat ion program  for th e era dicat ion of verm in ena cted by loca l ordinan ce, all buildings ident ified with in such an ordinan ce sha ll be con stru cted in a ccor dan ce with th is section.

     

    R 408 .30497   Signs .

    Appe ndix H 101 .1.1 is added to th e code an d H 111 .1 of th e code is am ended to read as follows:

    H 101 .1.1. Local ordinan ces. A governm enta l  subdivisi on  that  ha s  sign  regulat ions govern ing th e placement , locat ion, size, height , or setback from public right of ways sha ll govern such items.

    H 111 .1. Mat erials. Wall signs sha ll be con stru cted of mat erials con sistent with  building mat erials govern ed by th e type of con stru ct ion as provided in cha pter 6 of th e code for th e building or  stru ctur e.  Wall  signs  exceedi ng  40  squar e  feet  (3.72  m2)in  ar ea  sha ll  be con stru cted of meta l or  oth er  approved non com bustible mat erial, except  for  na iling ra ils an d except as provided in sections H 106 .1.1 an d H 107 .1 of th e code .

     

    R 408 .30499  Adoption of stan dar ds by reference; referenced codes .

    Rule 499 . Cha pter 35 of th e code is am ended to add th e followin g referenced codes , which ar e available from th e Michigan Dep artm ent  of Consum er an d Industr y Services, Bur eau of Constru ct ion Codes , 2501 Woodlak e Circle, Okemos, Michigan 48864 :

     

    (a)     Michigan Electr ical Code R 408 .30801 et seq. of th e Michigan Administrat ive Code.

    (b)     Michigan Mechan ical Code R 408 .30901 a et seq. of th e  Michigan Administrat ive Code.

    (c)    Michigan Plum bing Code R 408 .30701 et seq. of th e Michigan Administrat ive Code.

    (d)       Michigan Un iform En ergy Code R 408 .31061 et seq. of th e Michigan Administrat ive Code.

    (e)     Michigan Elevat or Code R 408 .801 et seq. of th e Michigan Administrat ive Code.

     

    R 408 .30499 a  Resc inded .

     

    RES IDEN TIAL CODE

     

    R 408 .30501   Appointment  .

    Rule 501 .  Section R103 .2 of th e code is am ended to read as follows :

    R103 .2. “Building officia l” mean s th e person who is appoint ed  an d  employed  by  a governm enta l subdivisi on, who is char ged with th e administrat ion  an d  en for cement  of th e stat e codes spe cified in R 408 .30499 , an d who is registered in com plian ce with 1986 PA 54, MCL  338 .2301  et  seq.

     

    R 408 .30502   Bui lding  inspec tor .

    Rule 502 .  Section R103 .3 of th e code is am ended to read as follows :

    R103 .3. “Building inspe ctor” mean s th e person who is appoint ed an d  employed  by  a governm enta l subdivisi on, who is char ged with th e administrat ion  an d  en for cement  of th e stat e codes spe cified in R 408 .30499 , an d who is registered in com plian ce with 1986 PA 54, MCL  338 .2301  et  seq.

     

    R 408 .30503   App roved  ma te ri als and  e qu ip men t.

    Rule 503 .  Section R104 .9 of th e code is am ended to read as follows :

    R104 .9. Approved mat erials an d equipment .  Mat erials, equipment , an d devices sha ll be con stru cted or insta lled in a ccor dan ce with approvals grant ed un der section 21 of th e act or by th e building officia l.

     

    R  408 .30504     Alt e rna tiv e  ma te ri als,  design ,  and   me thods   of  const ruc tio n  and e qu ip men t .

    Rule 504 .  Section R104 .11 of th e code is am ended to read as follows :

    R104 .11. Alternat ive mat erials, des ign, an d meth ods of con stru ct ion an d equipment . The provisions of th e code ar e not int ended to prevent th e insta llat ion of an y mat erial or to prohibit an y des ign or meth od of con stru ct ion not specifically prescribed by th e code , if th e alternat ive ha s been approved. An alternat ive mat erial, des ign, or meth od of con stru ct ion sha ll be approved where th e building officia l finds that th e proposed design is sat isfactory an d com plies with th e int ent of th e provisions of th e code, an d that  th e mat erial, meth od, or

     

    work offer ed is, for th e pur pose int ended, at least th e equivalent of that prescribed in th e code .  Complian ce with th e spe cific per forman ce-based provisions of th e Michigan building, R 408 .30401 to R  408 .30499 a ,  electr ical,  R  408 .30801  to  R  408 .30880 ,  mechan ical,  R 408 .30901 a to R 408 .30998 a an d plum bing, R 408 .30701 to R 408 .30796 , codes instead of specific requirement s of th e code sha ll also be perm itt ed as an alternat e.

     

    R 408 .30505   Work exemp t from pe rm it .

    Rule 505 .  Section R105 .2 of th e code is am ended to read as follows :

    R105 .2. Work exempt from perm it . Exemption from th e perm it requirement s of th e code sha ll not be deemed to grant auth orizat ion for an y work  to be  done in  an y mann er  in violat ion of th e provisions of th e code or an y oth er laws or ordinan ces of th is jur isdiction. Perm it s ar e not required for an y of th e followin g:

    (a)    Building perm it s sha ll not be required for an y of th e followin g:

    (i)   One-story deta ched a ccess ory stru ctur es, if th e floor ar ea does not exceed 200 squar e feet (18.58m 2).

    (ii)    A fence that  is not more than  6 feet (1829 mm ) high.

    (iii)     A reta ining wall that  is not more than  4 feet (1219 mm ) in height  measur ed from th e bott om of th e foot ing to th e top of th e wall, un less support ing a sur char ge.

    (iv)     A wat er  tank  support ed  directly upon  gra de  if th e capacity is  not  more than  5,000 gallons (18 927 L) an d th e rat io of height to diam eter or width is not great er than  2 to 1.

    (v)   A sidewalk or drivew ay that  is not more than  30 inches (762 mm ) above adjacent gra de an d is not over an y basement or story below.

    (vi)   Pa int ing, papering, t iling, car peting, cabinets, count er tops, an d similar finish work .

    (vii)    A prefabricat ed swimm ing pool that  is less than  24 inches (610 mm ) deep .

    (viii)    Swings an d oth er playgroun d equipment a ccess ory to a 1- or 2-fam ily dwelling.

    (ix)   Window awnings support ed by an exterior wall.

    (b)   Electr ical perm it s sha ll not be required for an y of th e followin g:

    Rep airs an d ma int enan ce: A perm it is not required for minor repair  work , including th e replacement of lam ps or th e conn ection of approved porta ble electr ical equipment to approved perman ent ly insta lled recepta cles.

    (c)   Mechan ical perm it s sha ll not be required for an y of th e followin g:

    (i)   Porta ble heat ing, cook ing, or cloth es drying applian ces.

    (ii)    Repl acement of an y minor part  that  does not alter approval of equipment or mak e th e equipment un safe.

    (iii)    A porta ble heat ing applian ce.

    (iv)   A porta ble vent ilat ion applian ce.

    (v)   A porta ble cooling un it .

    (vi)    Steam , hot or chilled wat er piping with in an y heat ing or coolin g equipment  regulat ed by th e code .

    (vii)    Repl acement of an y minor part  that  does not alter approval of equipment or mak e th e equipment un safe.

    (viii)    A porta ble evaporat ive cooler .

    (ix)   A self-conta ined porta ble refrigerat ion un it that  is not more than  1.5 horsep ower (1119 W).

    (d)   Plum bing perm it s sha ll not be required for an y of th e followin g:

     

    The stopping of leak s in  dra ins,  wat er,  soil,  waste  or  vent  pipe; if an y  con cealed  tra p, dra inpipe, wat er, soil, waste or vent pipe becom es defective an d it becom es necess ar y to remove an d replace th e sam e with new mat erial, th en th e work is con sidered as new work an d a perm it sha ll be obta ined an d inspection ma de as provided in th e code .

    The clear ing of stoppages or th e repairing of leak s in pipes , valves, or fixtur es, an d th e removal an d reinsta llat ion of wat er closets, if th e repairs do not involve  or require th e replacement or rearran gement of valves, pipes , or fixtur es.

     

    R 408 .30506   Submitta l documents  .

    Rule 506 .  Section R106 .1 of th e code is am ended to read as follows :

    R106 .1. Submitta l docum ent s. Constru ct ion docum ent s, special inspection an d stru ctura l program an d oth er data sha ll be submitt ed in 1 or more sets with each applicat ion for a perm it .  The con stru ct ion docum ent s sha ll be prepar ed by or un der th e direct supervision of a registered des ign professi ona l when required by art icle 20 of 1980 PA 299 , MCL 339 .101 et seq. an d kn own as th e Michigan occu pat iona l code . Where special con ditions exist, th e building officia l is auth orized to require additiona l con stru ct ion docum ent s to be prepar ed by a registered des ign pr ofessi ona l.

     

    R 408 .30507   Tempo rary po w er.

    Rule 507 .  Section R107 .3 of th e code is am ended to read as follows :

    R107 .3. The building officia l is auth orized to give perm ission to temporar ily supply an d use power in part of an electr ic insta llat ion befor e th e insta llat ion ha s been fully com pleted an d th e fina l cert ificat e of com pletion ha s been  issued.  The part  cover ed  by  th e temporar y cert ificat e  sha ll com ply with th e  requirement s specified for temporar y light ing, heat , or power in th e Michigan electr ical code, R 408 .30801 to R 408 .30880 .

     

    R 408 .30508   P ayment  of fees .

    Rule 508 .  Section R108 .1 of th e code is am ended to read as follows :

    R108 .1. Fees . The fees prescribed in section 22 of th e act sha ll be paid to th e en for cing agency of th e jur isdiction befor e a perm it  to begin work for  new con stru ct ion, alterat ion, removal, demolition, or oth er building operat ion ma y be issued.  In addition, an am endment to a perm it necessi tat ing an additiona l fee sha ll not be approved unt il th e additiona l fee is paid.

     

    R 408 .30509   Frame  and  mason ry inspec tio n.

    Rule 509 .  Section R109 .1.4 of th e code is am ended to read as follows :

    R109 .1.4. Fram e  an d  ma sonr y  inspe ct ion.  Inspe ct ion  of fram ing con stru ct ion  sha ll be ma de after th e r oof, all fram ing, firestopping, dra ft stopping, an d bra cing ar e in place an d after th e plum bing, mechan ical, an d electr ical rough inspe ct ions ar e approved. Masonr y inspe ct ions sha ll be ma de befor e th e insta llat ion  of  ma sonr y  veneer  an d  after   th e insta llat ion of base cour se flashing as specified in section R703 .7.5 an d weath er-resis tant sheath ing paper as specified in  section  R703 .2,  an d  after  th e  ma sonr y  con stru ct ion  is com pleted.

     

    R 408 .30510   Use  and  occupancy  .

     

    Rule 510 .  Sections R110 .1. an d R110 .2 of th e code ar e am ended to read as follows :

    R110 .1. Use an d occu pan cy. A building or stru ctur e sha ll not be used or occu pied, an d a chan ge in th e existing occu pan cy classificat ion of a building or stru ctur e or port ion th ereof sha ll not be ma de unt il a cert ificat e of occu pan cy ha s been issued in a ccor dan ce with section 13 of th e act.

    R110 .2. Chan ge in use.  A chan ge in th e chara cter or use of an existing stru ctur e sha ll not be ma de, except as spe cified in th e Michigan building code, R 408 .30401 to R 408 .30499 a .

     

    R 408 .30511   Violatio n pena lti es .

    Rule 511 .  Section R113 .4 of th e code is am ended to read as follows :

    R113 .4. Violat ion pena lt ies. It is un lawful for an y person, firm , or cor porat ion to violat e a provision of th e code or  fail  to con form  with  an y of th e  requirement s  th ereof, or  erect, con stru ct , alter, extend, repair, move, remove, demolish, or occu py an y building, stru ctur e, or equipment regulat ed by th e code , or cau se work to be per form ed or done in con flict with or in violat ion of th e approved con stru ct ion docum ent s or directive of th e en for cing agency, or  a  perm it  or  cert ificat e issued  un der  th e code .   A violat or  sha ll be  assessed  a  fine in a ccor dan ce with section 23 of th e act.

     

    R 408 .30512   Notice  to ow ne r.

    Rule 512 .  Section R114 .1 of th e code is am ended to read as follows :

    R114 .1. Notice to owner. Upon notice from th e en for cing agency, work on an y building or stru ctur e that is being done contrar y to th e code or in a dan gerous or un safe mann er sha ll imm ediat ely cease. The notice sha ll be in a ccor dan ce with section 12 of th e act. Any person who is served with a stop work order, except for work that th e person is directed to per form to remove a violat ion or un safe con dition is subject to th e pena lty provisions in section 23 of th e act.

     

    R 408 .30513   De finitio ns .

    Rule 513 .  The definitions of building an d registered des ign pr ofessi ona l in section R202 of th e code ar e am ended an d th e definition of stru ctur e is added to section R202 to read as follows:

    R202 .  Definitions.

    “Building” mean s a com binat ion of mat erials, wheth er porta ble or fixed, form ing a stru ctur e a ffor ding a facility or shelter for  use  or  occu pan cy  by  persons, an ima ls, or  propert y.  The term does  not  include a  building incidenta l to th e use for  agricultura l pur poses  of th e lan d on which th e building is locat ed  if it  is not  used  in  th e business  of reta il tra de.  The term sha ll be con stru ed as th ough followed by th e words “or part or part s of th e building an d all equipment  in th e building” un less th e cont ext clear ly requires a different  mean ing.

     

    “Regis tered des ign pr ofessi ona l” mean s an individua l who is licensed un der art icle 20, 1980 PA 299 , MCL 339 .2001 et seq.

     

    “Stru ctur e” mean s that which is built or con stru cted, an edifice or building of an y kind, or a piece of work art ificially built up or  com posed  of  part s  joined  togeth er  in  some  definite mann er.     Stru ctur e  does   not   include   a   stru ctur e  incident   to  th e  use   for   agricultura l

     

    pur poses of th e lan d on which th e stru ctur e is locat ed an d does not include work s of heavy civil constru ct ion including with out limitat ion an y of th e following:

    (a)   A highway.

    (b)   A bridge.

    (c)  A dam .

    (d)   A rese rvoir.

    (e)   A lock.

    (f)  A mine.

    (g)   A har bor.

    (h)   A docks ide port facility.

    (i)   An airport lan ding facility.

    (j)   A facility for th e generat ion, or tran smission, or distr ibut ion of electr icity.

    Stru ctur e sha ll be con stru ed as th ough  followed  by  th e  words  “or  part  or  part s  of th e stru ctur e an d all  equipment  in  th e  stru ctur e,”  un less  th e  cont ext  clear ly  indicat es oth erwise .

     

    R 408 .30514   Clima tic  and  geog raphic  design  crit e ri a.

    Rule 514 .  Table R301 .2(1) of th e code is am ended to read as follows :

     

    Tab le R301 .2(1)

    Clima tic  and  Geog raphic  Design  Crit e ri a

     

    ROOF SNO W LOAD

    WIND

    SEISMIC DESIGN CATEGOR Y

    SUB J ECT TO DAMAGE FROM

    WINT ER DESIGN TEMP

    FLOOD H AZARD S

     

    Speed (mph)

     

    Weath er in g

    Fr ost line dep th

    Term it e

    Decay

     

     

    See

    Figur e R301 .2(5)

    90

    See

    Figur e R301 .2(2)

    Sever e

    42"

    See

    Not e c

    See

    Figur e R301 .2(6)

    See

    Figur e R301 .2(7)

    See

    Not e a

    See

    Not e b

     

    Notes:

    a. The wint er des ign temperatur e criteria sha ll be tak en from appe ndix D of th e Michigan plum bing code, R 408 .30701 to R 408 .30796 .

    b. The flood ha zar d ar eas sha ll be des ignat ed by th e local un it of governm ent in accordan ce with th e adopted ordinan ce regulat ing con stru ct ion in flood ha zar d locat ions.

    c.The frost dep th ma y be modified as provided in section R403 .1.4 of th e code .

     

    R 408 .30515    Ground  sno w loads

    Rule 515 .  Figur e R301 .2(5) of th e code is am ended to read as follows :

     

    2
     
    Figu re R301 .2(5) Ground  Sno w Loads  P g  for Mic h iga n (lb/ft )

    100908070706060705060

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    403530255020R 408 .30516   Openings   for unde rfl oo r venti lation .

    Rule 516 .  Section R408 .2 of th e code is am ended to read as follows :

    R408 .2. Ope nings for un derfloor vent ilat ion. The minimum net  ar ea  of  vent ilat ion openings sha ll not be less than 1 squar e foot (0.0929 m 2) for each 150 squar e feet (100 m2) of un derfloor space ar ea. One such vent ilat ing opening sha ll be with in 3 feet (914 mm ) of each corn er of th e building. Vent ilat ion openings sha ll be cover ed for th eir  height an d width with an y of th e followin g mat erials provided that th e least dimension of th e cover ing sha ll not exceed 1/4 inch (6.4 mm ):

    a. Per forat ed sheet meta l plat es not less than  0.070 inch (1.8 mm ) th ick.

    b. Expan ded sheet meta l plat es not less than  0.047 inch (1.2 mm ) th ick.

    c. Cast iron grills or grat ing.

    d. Extru ded load-bear ing brick vent s.

    e. Har dwar e cloth of 0.035 inch (0.89 mm ) wire or heavier.

    f.Corr osion-resis tant  wire mesh, with th e least dimension being 1/8 inch (3.2 mm ). Exceptions:

    1.  Where warrant ed by climat ic con ditions, vent ilat ion openings to th e out door s ar e not required if vent ilat ion openings to th e int erior ar e provided .

    2.  The tota l ar ea of vent ilat ion openings ma y be reduced to 1/1,500 of th e un derfloor ar ea where th e groun d sur face is tr eat ed with an approved vapor retar der mat erial an d th e required openings ar e placed  so  as  to  provide  cross-vent ilat ion  of  th e  space.  The insta llat ion of opera ble louvers sha ll not be prohibited.

    3.  Und erfloor spaces used as supply plenum s for distr ibut ion of heat ed an d cooled air sha ll com ply with th e requirement s of section M1601 .4.

    4.    Vent ilat ion  openings  ar e  not  required   where   cont inu ously   operat ed   mechan ical vent ilat ion is provided at  a  rat e of 1.0  cfm  (10  m2) for  each  50  squar e feet  (1.02  L/s) of un derfloor space floor ar ea an d groun d sur face is cover ed with an approved vapor retar der mat erial.

     

    R 408 .30517   Landings   for stai rw ays .

    Rule 517 .  Section R312 .1.1 of th e code is am ended to read as follows :

    R312 .1.1. Lan dings for sta irways. There sha ll be a floor or lan ding at th e top an d bott om of each sta irway.

    Exception: At th e top of an int erior flight of sta irs, if a door does not swing over th e sta irs. A sta irway between th e gara ge an d dwelling is defined as an int erior sta irway.

     

    R 408 .30518   Modu lar ramps .

    Rule 518 .  Section R313 .4 is added to th e code to read as follows :

    R313 .4. Modular ram ps.  Modular ram p systems approved pur suant  to section 21 of th e act ar e not required to com ply with th e requirement s of section R403 .1.4 of th e code .

     

    R 408 .30519   Treads  and  ri se rs.

    Rule 519 .  Section R314 .2 of th e code is am ended to read as follows :

    R314 .2.  Treads  an d r isers.  The ma ximum  r iser  height  sha ll be 8 1/4 inches (210  mm ) an d th e minimum tr ead dep th sha ll be 9 inches (229 mm ).  The r iser  height  sha ll be measur ed vert ically between leading edges of th e adjacent tr eads. The tr ead dep th sha ll be measur ed horizonta lly between th e vert ical plan es of th e for emost pr oject ion of adjacent  tr eads an d at a right an gle to th e tr ead’s leading edge .  The walking sur face of tr eads an d lan dings of a sta irway sha ll be sloped no steepe r than  1 un it  vert ical in  48  un it s  horizonta l (2% slope). The great est r iser height with in an y flight  of sta ir s sha ll not  exceed  th e sma llest  by more than 3/8 of an inch (9.5 mm ). The great est tr ead dep th with in an y flight of sta irs sha ll not exceed th e sma llest by more than  3/8 of an  inch (9.5 mm ).

     

    R 408 .30520   Ha nd rai ls .

    Rule 520 .  Section R315 .1 of th e code is am ended to read as follows :

    R315 .1. Han dra ils.  Han dra ils that  ha ve minimum an d ma ximum height s of 34 inches an d 38 inches (864 mm  an d 965 mm ), respe ctively, measur ed vert ically from th e nosing of th e tr eads, sha ll be provided on at least 1 side of sta irways. All required han dra ils sha ll be cont inu ous th e full length of th e sta irs with 3 or more r isers from a point directly above th e top r iser of a flight to a point directly above th e lowes t r iser of th e flight . En ds sha ll be return ed or sha ll term inat e in newel posts or safety term ina ls. Han dra ils adjacent to a wall sha ll ha ve a space of not less than  1.5 inches (38 mm ) between th e wall an d th e han dra il.

    Exceptions:

    1. Han dra ils sha ll be perm itt ed to be int erru pted by a newel post at a turn .

    2. The use of a volut e, turn out , or start ing easing sha ll be allowed over th e lowes t tr ead.

     

    R 408 .30521   Eleva tio n requiremen ts .

    Rule 521 .  Section R327 .2.1 of th e code is am ended to read as follows :

    R327 .2.1. Elevat ion requirement s. (1) Buildings an d stru ctur es sha ll ha ve th e lowes t floor elevat ed 1 foot above th e des ign flood elevat ion.

    (2)    In ar eas of sha llow floodin g (AO zones), buildings an d stru ctur es sha ll ha ve th e lowes t floor (including basement ) elevat ed at least as high above th e highest adjacent gra de as th e dep th num ber specified in feet (mm ) on th e FIRM, or not less than 2 feet (51 mm ) if a dep th num ber is not specified.

     

    (3)   Basement floor s that ar e below gra de on all sides sha ll be elevat ed to or above th e des ign flood elevat ion.

    Exception: En closed ar eas below th e des ign flood elevat ion, including basement s that ha ve floor s which ar e not below gra de on  all  sides,  sha ll  meet  th e  requirement s  of  section R327 .2.2 of th e code .

     

    R 408 .30522   Minimum  depth .

    Rule 522 .  Section R403 .1.4 of th e code is am ended to read as follows :

    R403 .1.4. Minimum dep th . All exterior foot ings an d foun dat ion systems sha ll extend 42 inches below actua l gra de.

    Exceptions:

    1.  Fr ost-protected foot ings con stru cted in a ccor dan ce with section R403 .3 of th e code an d foot ings an d foun dat ions erected on solid r ock sha ll not be required to extend below th e frost line.

    2.   The foot ings in deta ched a ccess ory stru ctur es not exceedi ng 400 squar e feet in ar ea (37.16m 2) or 10 feet in height (3048 mm ) sha ll extend 12 inches (305 mm ) below gra de to un distur bed soil or soils of su fficient bear ing capacity. All vege tat ion an d topsoil sha ll be removed for placement of a ccess ory stru ctur es.

    3.  Upon evide nce of th e existence of an y of th e followin g con ditions, th e building officia l ma y modify th e footing dep th accordingly:

    (a)    Fr eezing temperatur es (fr eezing degree days).

    (b)   Soil type.

    (c)  Groun d wat er con ditions. (d) Snow dep th expe rience.

    (e)   Exposur e to th e element s.

    (f)   Oth er specific con ditions ident ified by th e building officia l that ma y a ffect th e foun dat ion system.

     

    R 408 .30523   Floo r canti leve rs.

    Rule 523 .  Section R502 .3.3 an d ta ble 502 .3.3 ar e added to th e code to read as follows : R502 .3.3.  Floor cant ileve rs.  Floor cant ileve r span s sha ll not exceed th e nomina l dep th of th e wood floor joist.  Floor cant ileve rs con stru cted in a ccor dan ce with ta ble R502 .3.3 sha ll be  perm itt ed  when  support ing  a  light -fram e  bear ing  wall  an d  r oof only.               The  rat io of backspan  to cant ileve r sha ll be not less than  3 to 1.

     

    TABLE R502 .3.3

    CANTILEVER SP ANS FOR FLOOR J OISTS

    SU PP ORTING LIGHT-FR AME EXTER IOR BE ARING WALL AND ROOF ONLY

    a ,b,c,f,g,h

     

     

    Me m be r an d

    Sp a cin g

    M a ximum C ant ileve r Sp an

    (Uplift Force at Backspan Support in Lbs .) d,e

     

    G r oun d S n ow L oa d

     

     

    R oof Wid th                               R oof Wid th                               R oof Wid th                                     R oof Wid th

    24 ft .       32 ft .         40 ft .       24 ft .       32 ft .       40 ft .         24 ft .         32 ft .           40 ft .         24 ft .       32 ft .         40 ft .

    2 x 8 @ 12"       20"

    (177 )

    2 x 10 @ 16"   29"

    (228 )

    2 x 10 @ 12"   36"

    (166 )

    15"

    (227 )

    21"

    (297 )

    26"

    (219 )

     

    16"

    (364 )

    20"

    (270 )

    18"

    (209 )

    26"

    (271 )

    34"

    (198 )

     

    18"

    (354 )

    22"

    (263 )

     

     

     

    16"

    (324 )

     

    20"

    (375 )

    26"

    (277 )

     

     

     

    19"

    (356 )

    2 x 12 @ 16"                     32"

    (287 )

    2 x 12 @ 12"                     42"

    (209 )

    2 x 12 @ 8"                        48"

    (136 )

    25"

    (356 )

    31"

    (263 )

    45"

    (169 )

    36"

    (263 )

    29"

    (345 )

    37"

    (253 )

    48"

    (164 )

    21"

    (428 )

    27"

    (317 )

    38"

    (206 )

    29"

    (367 )

    36"

    (271 )

    20"

    (484 )

    27"

    (358 )

    40"

    (233 )

     

    17"

    (447 )

    26"

    (294 )

    23"

    (471 )

    31"

    (348 )

    36"

    (230 )

     

    19"

    (462 )

    29"

    (304 )

     

     

     

    18"

    (379 )

    a. Tabulat ed values ar e for clear -span r oofs support ed solely by exterior bear ing walls.

    b. Span s ar e based on no. 2 gra de lum ber of douglas fir -lar ch, hem -fir , south ern pine, an d spru ce-pine-fir for repe t itive (3 or more) members.

    c. The rat io of back span to cant ileve r span sha ll be not less than  3:1.

    d.  Conn ections capable of resis t ing th e indicat ed uplift for ce sha ll be provided at th e backspan  support .

    e. Uplift for ce is for a backspan to cant ileve r span rat io of 3:1. Tabulat ed uplift values ar e perm itt ed to be reduced by mu lt iplying by a factor equa l to 3 divided  by  th e  actua l backspan  rat io provided (3/backspan  rat io).

    f. See section R301 .2.2.7 of th e code for additiona l limitat ions on cant ileve red floor joists or deta ched 1- an d 2-fam ily dwellings in seismic des ign cat egories D1 an d D2 an d townh ouses in seismic des ign cat egories C, D1, an d D2.

    g. A full-dep th r im joist sha ll be provided at th e cant ileve red end of th e joists.

    h. Linear int erpolat ion sha ll be perm itt ed for building width s an d groun d snow loads oth er than  shown in ta ble R502 .3.3.

     

    R 408 .30524   Scope .

    Rule 524 .  Section N 1101 .1 of th e code is am ended to read as follows :

    N 1101 .1. Scope . Buildings sha ll be des igned an d con stru cted in a ccor dan ce with th e Michigan un iform energy code part 10 ru les, R 408 .31001 to R 408 .31099 .

     

    R 408 .30525   Scope .

    Rule 525 .  Section M1301 .1 of th e code is am ended to read as follows :

    M1301 .1. Scope . The provisions of th is cha pter sha ll govern th e insta llat ion of mechan ical systems not specifically cover ed in oth er cha pters  applicable  to  mechan ical  systems. Insta llat ions of mechan ical applian ces, equipment , an d systems not addressed by th e code sha ll com ply with th e applicable provisions of th e Michigan mechan ical code , R 408 .30901 a to R 408 .30998 a an d th e int ernat iona l fuel gas code listed in cha pter 43.

     

    R 408 .30526   Sizing .

    Rule 526 .  Section M1401 .3 of th e code is am ended to read as follows :

     

    M1401 .3. Sizing. Heat ing an d cooling equipment sha ll be sized based on building loads calculat ed in a ccor dan ce with th e provisions of ACCA Manua l J -1986 , th e stan dar d of th e air con ditioning contra ctors of America, which is adopted  in  th ese  ru les by reference, or oth er approved heat ing an d coolin g calculat ion meth odologies.  Ductwork sha ll be sized in a ccor dan ce with th e  provisions  of  ACCA  Manua l  D-1995 ,  th e  stan dar d  of  th e  air con ditioning contra ctors of America, which is adopted  in  th ese  ru les  by  reference.  The stan dar ds ma y be pur cha sed from th e Air Conditioning Contra ctors of America, 1712 New Ham pshire N.W., Washington, DC 20009 ,  at  a  cost  as  of th e  t ime  of adoption  of th ese am endat ory ru les of $45 .00 an d $44 .00 respe ctively. The stan dar ds ma y also be pur cha sed from th e  Michigan  Dep artm ent  of  Consum er  an d  Industr y  Services,  Bur eau  of Constru ct ion Codes , 2501  Woodlak e Circle, Okemos, Michigan  48864 , at  a  cost  as  of th e t ime of adoption of th ese am endat ory ru les of $45 .00 an d $44 .00 respe ctively, plus ma iling cost s. The stan dar ds ma y be inspected at th e Okemos office of th e Michigan dep artm ent of con sum er an d industr y services, bur eau of con stru ct ion codes .

     

    R 408 .30527   Standa rds .

    Rule 527 .  Section M2001 .1.1 of th e code is am ended to read as follows :

    M2001 .1.1. Stan dar ds. Oil-fir ed boilers an d th eir contr ol  systems  sha ll  be  listed  an d labeled in a ccor dan ce with UL 726 listed in cha pter 43. Electr ic boilers an d th eir contr ol systems sha ll be listed in a ccor dan ce with UL 834 listed in cha pter 43. Boilers sha ll be des igned an d con stru cted in a ccor dan ce with th e requirement s of th e Michigan boiler code , R 408 .4001 to R 408 .5507 . Gas-fir ed  boilers sha ll con form  to th e requirement s listed  in cha pter 24 of th e code .

     

    R  408 .30528   Terms de fined  in othe r codes .

    Rule 528 .  Section G2402 .3 of th e code is am ended to read as follows :

    G2402 .3. Term s defined in oth er codes . Where term s ar e not defined in th e code an d ar e defined in th e Michigan electr ical code, R 408 .30801 to R 408 .30880 , Michigan building code , R 408 .30401 to R 408 .30499 a int ernat iona l fire code listed in cha pter 43, Michigan mechan ical code, R 408 .30901 a to R 408 .30998 a or Michigan  plum bing code, R 408 .30701 to R 408 .30796 , th e term s sha ll ha ve th e mean ings ascribed to th em as in th ose codes .

     

    R 408 .30529   Lining re quired .

    Rule 529 .  Section P 2709 .2 of th e code is am ended as follows :

    P 2709 .2. Lining required. The adjoining walls an d floor fram ing enclosing on-site built-up shower receptors sha ll be lined  with  sheet  lead, coppe r , or  a  plastic liner  mat erial that com plies with ASTM D 4068 listed in cha pter 43. The lining mat erial sha ll extend not less than 3 inches (76 mm ) beyond or ar oun d th e rough jam bs an d not less than 3 inches (76 mm ) above th e finished thr esholds.

     

    R 408 .30530   Re li e f va lve discha rge .

    Rule 530 .  Section P 2803 .6.1 of th e code is am ended to read as follows :

    P 2803 .6.1. Relie f valve dischar ge. Relie f valve dischar ge pipes sha ll be rigid pipe approved for wat er distr ibut ion with a rat ing of 210 degrees Fahr enh eit . The dischar ge pipe sha ll be th e sam e diam eter as th e relief valve out let an d sha ll dra in by gra vity flow.  Valves sha ll

     

    not be conn ected in th e relief valve dischar ge pipe. Relie f valves sha ll not dischar ge so as to be a ha zar d, a potent ial cau se of dama ge, or a nu isan ce. Dischar ge pipe from relief valves sha ll term inat e atm ospherically not more than 4 inches from th e floor with an unthr eaded end an d sha ll not be directly conn ected to th e dra ina ge system.

     

    R 408 .30531   Sizing  of drain  pipe  offsets .

    Rule 531 .  Section P 3006 .2 of th e code is am ended to read as follows :

    P 3006 .2. Horizonta l offse t s above th e lowes t bran ch. A sta ck that ha s an  offse t of more than  45 degrees (0.79 ra d) from th e vert ical sha ll be sized as follows :

    1. The port ion of th e sta ck above th e offse t sha ll be sized as for a regular sta ck based on th e tota l num ber of fixtur e un it s above th e offse t .

    2.  The offse t sha ll be sized as for a building dra in in a ccor dan ce with ta ble P 3005 .4.2 of th e code.

    3.  The port ion of th e sta ck below th e offse t sha ll be sized as for th e offse t or based on th e tota l num ber of fixtur e un it s on th e ent ire sta ck, whichever is lar ger.

     

    R 408 .30532   Roo f ex tens io n.

    Rule 532 .  Section P 3103 .1 of th e code is am ended to read as follows :

    P 3103 .1. Roof extension. All open vent pipes that extend thr ough a r oof sha ll term inat e at least 1 foot (305 mm ) above th e r oof, except that if a r oof is to be used for an y pur pose oth er than weath er protection, th en th e vent extension sha ll be run not less than 7 feet (2134 mm ) above th e r oof.

     

    R 408 .30533   Frost  closu re.

    Rule 533 .  Section P 3103 .2 of th e code is am ended to read as follows :

    P 3103 .2. Fr ost closur e.  To prevent frost closur e, every vent extension thr ough a r oof sha ll be not less than 3 inches (76 mm ) in diam eter. Any increase in th e size of th e vent sha ll be ma de inside th e building with a minimum of 1 foot (305 mm ) below th e r oof or inside th e wall.

     

    R 408 .30534   Ind ivid ua l venting   re qu ired .

    Rule 534 .  Section P 3106 .2 is added to th e code to read as follows :

    P 3106 .2.  Individua l vent ing required.  When fixtur es oth er than  wat er closets dischar ge int o a 3-inch horizonta l bran ch or building dra in downstr eam  from  a  wat er  closet, th en each fixtur e conn ected to th e bran ch or building dra in with in 54 inches  (1371 .6  mm ) downstr eam of th e wat er closet flan ge sha ll be vent ed individua lly.

     

    R 408 .30535   Connection  .

    Rule 535 .  Section P 3111 .2.2 of th e code is am ended to read as follows :

    P 3111 .2.2. Conn ection. The com binat ion waste an d vent systems sha ll be provided with a dry vent conn ected to a point with in th e system or th e system sha ll conn ect to a horizonta l dra in that is vent ed in a ccor dan ce with one of th e meth ods specified in th is  cha pter. Combinat ion waste an d vent systems conn ecting to building dra ins receiving only  th e dischar ge from a sta ck or sta cks sha ll be provided with a dry vent .  The vent conn ecting th e

     

    com binat ion waste an d vent pipe sha ll extend vert ically not less than 6 inches (152 mm ) above th e flood level r im of th e highest fixtur e being vent ed before offsett ing horizonta lly.

     

    R 408 .30536   App li ca bility .

    Rule 536 .  Section E 3301 .1 of th e code is am ended to read as follows :

    E 3301 .1. Applicability. The provisions of cha pters 33 to 42 of th e code sha ll esta blish th e genera l scope of th e electr ical system an d equipment requirement s of th e code . Cha pters 33 to 42 of th e code cover th ose wiring meth ods an d mat erials most comm only en count ered in th e con stru ct ion of 1- an d 2-fam ily dwellings an d stru ctur es regulat ed by th e code . Oth er wiring meth ods, mat erials, an d subject matt er cover ed in th e Michigan electr ical code , R 408 .30801 to R 408 .30880 ar e also a llowed by th e code .

     

    R 408 .30537   Scope .

    Rule 537 .  Section E 3301 .2 of th e code is am ended to read as follows :

    E 3301 .2. Scope . Cha pters 33 to 42 of th e code sha ll cover th e insta llat ion of electr ical systems, equipment , an d com ponent s indoor s an d out door s that ar e with in th e scope of th e code, including services, power distr ibut ion systems, fixtur es, applian ces, devices,  an d appurt enan ces. Services with in th e scope of th e code sha ll be limited to 120 /240 volt, 0- to 400 - am pere, single-pha se systems. These  cha pters  specifically  cover  th e  equipment , fixtur es, applian ces, wiring meth ods, an d mat erials that ar e most comm only used in  th e con stru ct ion or alterat ion of 1- an d 2-fam ily dwellings an d a ccess ory stru ctur es regulat ed by th e code . The omission from th ese cha pters of an y mat erial or meth od of con stru ct ion provided by th e Michigan  electr ical  code,  R  408 .30801  to  R  408 .30880 ,  sha ll  not  be con stru ed as prohibiting th e use of such mat erial or meth od of con stru ct ion. Electr ical systems, equipment , or com ponent s not specifically cover ed in th ese cha pters sha ll com ply with th e applicable provisions of th e Michigan electr ical code , R 408 .30801 to R 408 .30880 .

     

    R 408 .30538   Combustib le insu lation .

    Rule 538 .  Section R808 .1 of th e code is am ended to read as follows :

    R808 .1.  Combustible insulat ion.  Combustible insulat ion sha ll be sep arat ed a minimum  of

    3 inches (76 mm ) from recessed light ing fixtur es, fan motors, an d oth er heat -producing devices.

    Exception: When heat -producing devices ar e listed for lesse r  clearan ces,  com bustible insulat ion com plying with th e list ing requirement s sha ll be sep arat ed in a ccor dan ce with th e con ditions st ipulat ed in th e list ing.

    Recessed  light ing fixtur es insta lled in th e building th erma l envelope sha ll be insta lled in a ccor dan ce with th e manu factur er’s insta llat ion instru ct ions.

     

     

     

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