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Home My WebLink AboutPLAN ANALYSIS MAY 10, 1999 - 00-00006 - Madison High School - Athletic BuildingCi L "Y of Rexburg Engineer-'.nq 12 N Center St.. xr Tubo 83440 208-359-3020 Plan analysis based on to 1994 ni form Building Code Project Number: Mad . High Prof . Project Name: t 1 t'c Building Corner 2nd North St. Occupancy: 2, . 1{ Sl l � Cot r � I - i - Date: May 1, 1999 For Hadison Highschool l Madison Contractor: None Architect: Non Engineer: Nod e Report Joe DOTE: The code items listed it this report are r completeiot i, sting of all possilile code r it It is a guide to selected sections of the cods t Repent created usingPlan Portions of the material from- the Uniform- r Building International Conference DIRECTION BOUNDARY NORT,H Building EAST Property line SOU7B Building T Bui Iding Allowable r -increased -- Sec. 505.1 Laird intended to be a in the 1994 UBC. Analyst sof aware by b w & a. contained in this program are Code with tier i r or of BuildingOfficials. SEPARATION EA INCREASE 40- 0 Feet 375.0 Feet 290.0 Feet 60.0 Feet (719) 599--5622 reproduced the FIRE PROTECTION 40.0 Feet 375.0 F t 200.0 Feet * 0 Feet u . s for open area on 4 sides. Code review for Prcject Id.: Athletic Building Address: Corner 2n,d North St., Pain # 2 For Madison Highschool & Madison Ave, FL NAME occ MAX FL R AREA ALLOWE n �TTn QTTsrr" — — — — — — — — — -- — — — — — — — — — — — — — — — — — 2 Wrestling Room B ok 3996 6 2 Office ok 100 2 ok 2 Storac�e Pcom, S1 16000 0,01 ok ..j ok 100 16000 0.01 ok 2 L.L.Store Room S1 ok 205 16000 0.01 ok 2 Balcony B ok 600 16000 0.04 ok TOTAL FOR FLOOR 5000 16000 0.31 ok Multipurpose room A2.1 OVER? 5000 NOT PERMITTED (DVEp, I Weilght Room B ok 1872 16000 2 ok 1 Locker Poolq B ok 1037 16000 Office 0.06 ok Storage Room ffl B ok 110 16000 0.01 ok S1 ok 310 160010 0.02 ok Storage Room #2 S1 ok 93 16000 0.01 ok 1 S011001 Concessions M ok 295 1 16000 0.02 ok Utility ROOM S1 ok 43 16000 0.0 ok i S-t--crage Room #3 S1 ok 68 16000 0.0 ok I Mechani'cal Doom 2 Ok- 50 16000 0.0 ok I City Concessions M ok IL17 16000 0.01 ok "L 1 Storage Room S1 ok 68 16000 0 . o ok I Rest Rooms ac Halls B ok 908 16000 0-06 ck TOTAL FOR FLOOR 10000 NOT PERMITTED OVER BUILDING TOTAL 15000 NOT PERMITTED OVER WARNING -- This buildin 9 Is Over the allowed area. The actual height of this building is 22. feet. Tab' e 5-B The Maximum height of the building z is 40. fc,'tet, I -4` 3 Code review Page Project Id.: Athletic Bullidl Address- ing For Mad1son Highschooi 0 Corner 2nd North St. & Madison Ave. EXTERIOR WALL FIRE R:PTINGS AND OPE19ING PROTECTION NORTH Table 5-A For Bearing Non -Dearing Occupancy Wall WallOpening Construction Parapet PrOtection Material RequirnA None ire A2.1 0 hour 0 hour None Any No S1 0 hour 0 hour None Any No M 0 hour 0 hour None Any No EAST FirinNon-Dearing Opening 1�1construction Parapet B '0 hour 0 hou-r None Any No. Protection atrii Required A2.1 0 hour 0 hour None Any No S1 0 hour 0 hour Norge Any No hour 0 dour Norm Any No SOUTE For Bearing Non -Bearing Occupancy Wall WaiI Protection 8 0 hour 0 hour None Material Requ2Lred A2.1 0 )Molar 0 dour Nore Any NO 1 0 hour 0 hour None Any No our 0 dour None Any No WEST Any No For Bearing Non-Beari-rig Opening Construction Parapet Occupancy Wall Wall Protection Material Required hour 0 hour None Any No A2.1 0 hour 0 hour None Any No 1 0 hour 0sur Any ID hour 0 hour None Any No None 3/4 No fire dour --- requirementS for openings. iOpenprotected _3`14 hr fire assemblies. 5.0% of the area of the wall MaXIMUM Table 5-A. Footnote 5 & Sec. 503-.2 Maximu,n single w-indow size is 84 sq.ft. with no dimension greater than 12 feet. -- Sec. 713.8 Not Allowed Openings are nOt Permitted in this wali. TSE ELEMENT Tnterior Bearing wali `r nonbrg wall Structural Frame Exterior Strutt 7,L-ame Shaft Enclosure Floor/Ceiling Assembly Roof/Ceiling Assem l y Stairs BUILDING ELEMENTS MATERIAL Any Any Any Any Any -n Any T ]l R�TING NOTES 1-i r r r r e� .footnote #1 I hr hr 0 hr None Code review f Project Id.: Athletic Building Corner 2nd North St. Page # 4 For Madison Highschool Madison Ave* NOTESee Section 711 r shaft enclosurex t _- ori FOOTNOTES: �- i wailEiements in an exterior located where i ngs are not permitted or where Lection of i i r� 'ed stiall I)e protected qur againstexternal firmsexposureuifk1---dF earing walls or the structural framef whichever is greater, -- Table 6-Af footnote DRAFT STOPS: If there is combustible stops shall be instal led exceed 1f000 square feet Stops does not exceed 60 I mb i I stops shall be installed exceed 3,000 square feet Stops dogs not exceed 60 construction in the floor/ceiling assembly, draft so that the area of concealed space does not and ii?�i: a it raeion feet. --Sec. 708.3.1.1. construction in �-he roof/ceiling so that the area of concealed space and so that the horizontal ditmension feet. --- Sec 708-3.1.2.2 OCCUPANCY E TI NS -- Table -B B -A2.1 1hr Offices less than 2 a separationSSec. 302.1 exc. 2.2 -1 Ohr - A2. I-1 1r . 1-M 1 hr f major LJ -L -Lnr -j:n separation i not required if I -Luuu sq.1t. or -less. - Sec. 309-2.2 exc. I - sprinkler SYStem r storage, storage Exception use not require the storage area I Wi t h 3000 sq.ftb I # 5 Code review Page Project 1cl.: Athletic Building For Madison Hi ghschcol Addyess: Corm --Jr 2nd North St. & Madison HEATING EQUIPMENT E RATI FOR B OCCUPANCY ori is required around rooms containing o i I;ED central heating unit greater than 4-00 00 -�- Sec. 302.E FOR A2.1 OCCUPANCY: I hr. occupancy separatoni fired around rooms containing a i l rr central heating unit �_ greater than � � BTU ire � , Sec. . FOR S1 OCCUPANCY: A I hr. occupancy separation 'is required around rooms containing a -- fir` a it greater than BTU input. noiSec, 302.5 FOa M OCCUPANCY: . occupancy separation is r uir around �contain, � Sec. 302.5 �g a ider centralr �a iun t b -input. ADDITIONAL EPASTIONS : -A -refrigeration machinery room shali be separated -from the rema' of the, bu�ldjng as required for an H7 occupancy regardless of ar horizontal occupancy separation may be I Imlted to tihe actual floor arm a f themachinery room .Structural supporting l m nt lull be protected for the reps of construction-- 28 02 I hour separation is required from FOR M OCCUPANCY Storage areas in excess of 1,000 sq.ft. caLre required -to he separated from the retail area by a I hr. Occupancy separation. -- Sec. 309.2.2 NOTE: Storage area may be increased to 3,000 square fEl,et if there is a sprinkler system in the storage area before is required. EXIT REQUIREMENTS: FL NAME NUMB MIN MIN PANIC FLUTED DOOR NOTES EXITS WIDTfl HDWR CORRIDOR SWING ------------------ 2 Wrestling Room 80 2 1.3 No N/A Out 'e 1 0.0 No N/A N/R 2 Storage . 0 NO N/A N/R 1 1 0.0 No N/A N/R 7 No Yes N/R r tl' . 0 No N/A N/R TOTAL 81 2 1.4 No N/A Out 122 2 3.0 L,1 N/A Out 11 ,q, Code review for; Page # 6 Project Tdo: Athletic Building For Madison Highschool Address: Corner 2nd North St. & Madison Ave. I Multipurpose room 333 2 5.6 Yep N/A Out 4 Weight Room 37 1 0.6 Locker Room 21 1 0.3 No N/A N/R Office I 1 0.0 No N/A N/R Storage Room #1 1 1 0.0 No N/A N/R Storage Roora #2 0.0 No N/A NIR iii Concessions 10 1 0.2 Utility Room 0.0 No N/A N/R Storage Room #3 0-0 No N/A N/R Meclianical Room 0.0 No NJA NIR City Concessions 5 1 0.1 No N/A N/R 1 Storageres 0.0 No N/A N // R Rest looms & Hails AC9 1 0.2 No No N/R Multipurpose Room 393 2 6.6 Yes N/A Out 4 1 Locker Room 2 owo No N/A NIR 4 1 N/R 4 TOTAL f 1 4 NOTE: 2 6.8 Yes N/A Out before i Of w pants area is being treated accessory for occupant loads -- Sec. 1002.1.1 exception Rated corridors are to have I hr. fire protection on both sides f. and ..li�n-- Sec. 1005.7 Door openingsProtected with 20 minute assernblies, -- Sec. 1.1 Window openings required are - Sec. 1005.8.2t protected with iai � hour Ei tors p sinto rated corridor shall be provided with an elevator lob -by at each floor containing a rated corridor. -- Sec. 1 Walls and openings between the corridor and the ltr, lobby are required to be per sections 1005.7 and 1005.8 above. In areas where 2 exits are reqthe ur rr i�Imu i f tie area or When t 0 go except exits are in either for dead: the minimum separation is 1/2 of floor. --- Sec. 1003.3 requiredf exits must be arranged that direction from anifit in a corridor t ends not exceeding 20 feet in length. -- it is possible a separate exit, Sec. 1005.5 I e Code rev-iw for: Project Id.: Athletic Building .r¢ Corner 2nd North St. For Madison Highschool & Madison.;t Ay�� Exit signs are required from all a F ts -- pec. i i . I Mcain exterior exit doors whi(k-_-.,h obviously Ncl need not be ' igned when approved. -- 1 Doo- swing is based on Sec. 1004.2 ex : t as noted. Occupant load f i r is based on Table 10-A. e are required. are identifiable u_ f i -s _oasea on Tanie IU -A exce-pt as noted. Felt width i ' . n feet and bayed on Sec 10,03.2. ■ • P e for LU ] ul _ia approximately equally among exits. Width shown for ail areas -is basedon other exits. 0 Width shown for I t floor is based on other exits. .2) (0.2) Width r� 1 & basements i. based n stairways. min 'i 'dth of stairways, see for -une minimum width of d'oor's, see Sec. 1004.6 andsurface used , door shall For the inimun. width or corridors, see Sec. 1005.2 t 5. For the min 'i 'dth of stairways, see Sec. 1006.2 FOOTNOTES: 4 Panic hardware is based on Sec. 1016.4. See exception for main exit in A-3 occupancies and churches, {0.3} FLUSH AND SURFACE BOLTS: Manually oper t edge or bolts are prohibited. When leaf having the automatic surface -mounted hardware. require more than one operation. surface -mounted automatic flu- flush bolt shall The unlatching of(:!I -- Sec. 1004.3 flush boits alt are not have a leaf andsurface used , door shall the door knob or not LOCKS AND LATCHES: All means of egress doors shall be readily o enable from from which egressis to 'oe made without the use of- ] ey or"special knowledge or effort. -- sec. 1004.3 Key -locking lr hardware may be used on the ■n exit when the ■ n exit consists of a singledoor or pair of doors if there i s a sign stat ing TEIS DOOR HUST RE�IAIN UNLOCKED DURING BUSINESS HOURS. When unlocked, door(s) must swing without operation of any latcliing device._ -- LANDINGS AT DOORS: floor r landing hallprovidedn each sicle of doors, When access for persons with disabilities is required. the fl oor or hall not more than1 inch lower t. ttrail. n landing i not required, tail maximum i �. inch. 14. 2) Landings i l have ca width not Ie3s than tai width the t i r va a r width of the doorway, whichever is the greater. length in thF.�, direction of exit travel is 44 inches. - Sec. 1004.10 - ri Ll: Code review for: ProDeCt 1. Athietic Building Address Corner 2nd North St. TRAVEL DISTANCE: The maximum travel distance For Madison Eighschool Madison Ave. u' l i is 1-50 feet, Sec, 1003.4 BUILDING ACCESSIBILITY: 1) This building including each tenant shall be provided with a+- one entrance which h lies � � least �tn the accessible route Proi ons of CARO/ANSI A117.1. At least SO percent23 - l� �1 accessible* SSC. 1103*. 2) When .othat ex -i'' is re i -�. rom acc . _4'Y essi e space, each accessible portion of the space shall be served by not l ess than two accessib-le means of egress. -- Sec. 1104.1.1 3) When an exit stairway is part I of an accessible means of egress, the stair�,P�ay shall have a clear, width of not less than fiches bet ween the handrails. The stairwaysell either incorporate an area of rei:uge within an enlarged story -level landing or shca..11 be C'�ccessed Ecrom an area r c u ,The area of refuge shall � � 11 � � + � have direct access to the stairway -it. r-- Sec. 1104-2.1 4) Each area of refuge shail be sized to accommodate one wheelchair space not less than 30 inches by 48 inches -for each 200 occupants, or Port thereof. -- sec. 1104-2.3 5) If the area of refuge is not rit inthe w stairway,from the rest of the story by a smoke t shall be separated carrirY4�nIt a one- hou2,_- floor deck above. Doors shali be smoke and dra.-LI7-t control ass%eriblies with a rating not less than 20 minute 6) Two-way communicatilons are required. - 7) Each area must be idem fi d -in stating AREA OF REFUGE and the international serol of a i it ' 8) NOTE: Exit stairways in build' ings protected thr u h u automaticsprinkler tapproved -incorporate an area of - Sec. 1104.1.2 exception #2 ROOFING 1 ) The . S, ee E I �ME T N firs n thisbuildingi required section 1504 and IC30 research r its AUTOMT-iTIC SPRINKLER I nings are not iS floor area more sprinkler t i . im dimens-ion opening 'in every 50 be Class Table 15-A for requirements. SYSTEMS: provided in each 55fee-,'--- 01 eXterior X11 or there than 75 feet from an exterior opening,automatic required. 904-2.2 c : Openings shall h3v,.ve of 30 inches. There must be at least ;meal feet of wallo Code review f or; Page Project Id.: Athletic Bul- Id'ngMadison son Hihl Address: Corner 2nd North St. & Madison An automatic pr i nl r stem i � uir� q ed in enclosed usable areas above r below stairs., -- Sec* 904.2.3.4 STANDPIPE REQUIREMENTS., There is no requirement FOOTNOTES: _J - tor a t ndp- VENTILATION: All areas custom.arily occupied by humans ventilation by -means of openableexterior less than l/20 of the total Floor mechanically operated ventilation f suppiying a minimum of 15 tubi occupant, -- Siac. 1202.2.1 area o - system, -- Table - shall pr -ded with natural Penings with an area of not iia i l be provided with a Such system shall be capable reef per minute of outside air per WALL 2�-ND CEILING 7I I H: 1 Wali and ceiling i nl h materials are required Sec. 804.1 and Table 8--B. 2) Cir -noting on the iliP ng is required t o have a raa rating. -- Sec. 804.2 3) Textile wall coverings shall have Class I flame a and shall protected by automatic sprinklers acceptance criteria of .B. . Standard No. - INSULATION NOTES: ' ` ' 4 , to Colnply with Class I flame spread r meet -- Sec. I t s lat -,On mat r2_al Inciuding -acings are r ui r ed l ami-spr. ra—ing of 25 or less and a maximum smoke yrurilw :� - 1 in concealed spare and the facing i s in a wall or ceiling, -- Sec. 707 2) Foam plastic ins-,ilations, are required to be protected. rating. the 805 to have density contact a f 450 with -- Sect 2602 ADDITIONAL REQUIREMENTS: For a ancy For A2.1 occupancy PLATFORMS: r an i t platforms shall constructed � r ��.- gals as required the building type or construction. r-- Sec. 405.2 2 ) I s t�� area under the platform is used for(including storage) other than equipment wiring or plumbing, then the floor construction shall be not les3 than I hour fire resistive. -- Sec. 405.2 for Code r i ; for: Faqe 4 10 Project Id.: A-L--hIjF,-2!tic Buiiding For Madison Rl'ghschool Address: Corner 2nd North St. & Madison Ave. - For SI occupancy For M OCCUpancy Floor-Istupa -Mule room When eats are not fixed, the capacityf this area required be Posted at 333 occupants in a conspicuous sign near the main exit. ---- Sec. 1002.3 Code review for: Page # 11 Project I.# : Athle-LL--ic Building For Madison Elghschoal Address: Corner 2nd North St. & Madison Ave, ACCESSIBLE FACILITIES: NOTE: Except as noted, section numbers listed below are from CABO/ANSI P-117.1 - 1992 WATER FOUNTPiINS AND Vq-1ATER COOLERS: At least- 50 -percent of drinking founi Lains, but not less 1---han on - - UB C S provided on every floor shall be accessiblet c Accessible units must comply with the fol 7i - ow -J-'-' g: 1) SPout is to be within 36 inches of the floor. Ser", 4.15-2.1 2) Spout arranged for parallel approach shall be located 3 -inches maximum from the front edge. SPOUts of can'L'ilevered units with knee and toe clearances shall be located 15 inches minimum,. from the vertical support and 5 inches maximum from he fron-t .,c---,dge. -- Sec. 4,15.2.2 3) Spouts shall provide a flow of water 4 inches height minimurn.. -- Sec. 4.15-2.3 41) Operabie parts shall be located at or near +-he front edge of the I un -'t and shall Comply with 4.25.4 -- Sec. 4.15.3 5) A cantilevered unit is required to extend 17 inches minimum from thi%f.:N vertical support. Clear knee space mus -1-- provide a clear area of 8 inches in depth at inches high and 1- 11 'nches at 9 inches minimum above the floor,, Sec. 4.15.4.1 6), Forward apprca'C-lh units shallcOmpiy with 4.2. Units in alcoves sMiall comply with 4.2.4.4. Units no'C- having the necessary knee and toe clearance or clear space under thrk-mir, srhall comply W-1th 4.2.4 and have a ciear floor space that allows a person in - he 1 dial r to make a parallel approach. -- Sec. 4.15.4.2 TOILET �'ACILITIES . 1) A 60 inch diameter unobstructed turn In space is required in the toilet room. -- Sec. 4,16.3, 4.2.3 & Fig. R4.2.3 2) Water closet shall be mounted -adjacent to a side wall or partition. The distance from the side wall or partition to the centerline of the water closet shall be 18 in. Sec. 4.17.1 3) When the accessible water closet is not in a s+11 --all: The clear floor space sMiall be 48 i -P F I n min J mum in f reit of the water closet and 42 in from thec--n'ter line of th -pacent to J "'�e water closet on the side not adthe wall, dll -- Sec. 4.17.2 & Fig. H4.17-/ 4) When the -accessible water closet is 'in a stall: The stall shall be 60 in wide minimum and 56 in deep minimum for wall hung water closets and 59 in deep min -J --mum for floor mounted water closets. -- Sec. 4.18.3.1 If the door swings -into the sta,li, the required depth shall - be increased by 36 'inches minlmum. -- Fiq- B4.18.3.1 5) The bars are to be 33 to, 36 inches above the floor and shall be Provided on the rear wall and on the side wall closest to the water closet. -- sec. 4.24.2.2 & Ficrs- B4.17.3f B4.17.4 and BAL.18.3.1 a) Side grab bar is required t -o start within 12 'nches of the backwall and extend to 54 inc-hes from the back wall. (The minimum length of the bar is 42 in) -- Cocie revise for Project Id.: Athletic Building Address: Corner 2nd North St. aae 12 For Madison HighschI Madison ve . Figs. B4.17.3 and B4 . i . . L b) The rear bar shali be 24 in l F r I mum, centered r- the wester closet. Where ace permits,the bar shall be 36 in l minimum, with the additionai length providedthe transfer Side. sec. 4.17.4.2 & Figs.. 1 . 2 .. I7 end �`8.3.1 6) The top of the lad on the water closet is required to be 17 to i inches above: the floor. -- Sec. 4.17.3 & Fig. 34-17.3 7) Accessible urinals shall be of the s'all type or wall hung with the rim at 17 inches maximum above the floor. --Sec. 4.19.2 8) A clear area of 30 X 48 inches minimum is required in front the ur-inal. Privacy shields shall not extend beyond the front edge of the urinal rim, unless they are -inches-I`T . p apart minirr . -- Sec. 4.19.3 9) Accessible J.vc---iLt pries shall be mounted with the rir 34 inches maxim -am aLove the floor and a clearancef 29 inches minimumi from the floor to the loottom of the front E:::1.dge f the apron, E . 4.20.2.1 & Fig. B4.20.3.1 1 ) It shall extend 1 'aches ' i from the 11. The clear knee space shall be 8 inches in depth minimum at 27 inches minimum above the f1cor and 11 inches in depth minimum at 9 in minimum ---bove the floor. The dip of the overflow shall be ignored when checking the clearances. -- Sec. . 6 a & F� B4.20-3.1 .I 11) A clear floor space of 30 X 48 inches i imu shali he provided in front of the lavatory and shall t� d 19 inch es maximurn under the 1 - r * -- pec. 4,20.3.2 & Fi .2 1 ) Water supply and drain pipes under lava 1 1 c�,s � � _ lli be insulated or otherwise t at d to protect against contact., -- Sec. 4.20.4 13) The bottom ofmprr r i .ir d t i t { Chin inches f the floor. -- Sec. 4.16.6 & Fig. B4.20-3.1 Code review for: Page 13 Project Id - Prod: 0 W Athletic Building For Madison 1lighschool Address: Corner 2nd North S' Madison Ave - GLAZTNG REQUIREMENTS All glazing in hazardous locations is requi-red to be of safet� �"iinq mEtcrial. -i �90. Locat-l'ons: 1) GiazIng in -ingress an 2) Giazg a egress doors except 3alousies. In -1 I n f ixedng panels Or- sliding door assembl-les and panels, in swinging doors other than wardrobe doors. 3) !l zing in storm doors. 4) Glazing in all unframed swin ging doors. 5) GlazIng in doors and enclosures for hot tubs, whirlpocis, saunas, steam roomsf bathtubs and showers. Glavint g i -n any port' n of a 10 building wall enclosi'ng these compartment -s where the bottom exposed h edge of the glazIng is less than 60 inches above a standing surface and drain inlet, 6) Glazing in fixed or operable panels adjacent to a doornearer where the t exposed edge of the giazing is within a 24 --inch arc of e door in ag ither vertical edge of th eclosed Position and where the bottom exposect edge of the glazin walking surf ace. g a -s less than 60 inches abov4,D. the 7) Giazing in an -ind1J 7,7iduai fixed or operable panel, other than those ioca-'E-ions descr-lbed in 1 following conditi-ons: 'tems 5 and 6 above, tha:� meets all of the A. Exposed are- of an individual pane greater than 9 & uare ee Cl B. Exposed bottom edge less than 1nches above the floor. C. Exposed top edge greater than 36 inches above the floorm D. One or more walking 5urfaces Titin36 inches horizonta-11Y of the Plane of the glazing,, 8) Glazing 0 -ig surface. n ra�lings regardless of height above walki--,L Included are qtr --Lural baluster panels and nonstructural M -fill panels. i 9) Glazing in alland fences used as til"lle" barrier for indoor and OutdOOr swimming pools C -Md spas when 60 the, bottom e- I Qges 's less'than inches above the Pool side and the r-*] azing is wi of the pool or spa deck area. ith.-In 5 feet q 10) Glazing in walls enclosing stairway iandings or with -in 5 feet of then bottom and -EOP of stai--"s-way, where the bottom edge is less than 60 incheE-1s above the walking surface. .1 CoderevaLew for: Page 4 14 Project 1d.: Athletic Build -,ng For Madison Highschool Address: Corner 2nd North, St. & Madison Ave. ATTIC REQUIREMENTS: Provide, an acf-"-ic areas w,tl ..e5s to ali an L n a clear height of 30 inches or more. The minimum- size is 22 inches by 30 inches. There must I)e 30 inches or more. c--Ir height above the access. -- Sec. 1505,1 2) Provide ventiia-L-icn in all attic areas. The net f ree vent area I S to bis- not less than 1 square foot for each 150 square feet of attic area. The Vent areca mav be 1/300 if at -least 50% of the required ventilating area is prcv'ded by ventilators located in t-ne upper port3-on of the attic. The upper ventilators must he at least 3 feet above the eave or cornice vents. -- Sec. 1505.3, Exception 1 The vent area may be 1/300 provided a vapor retarde-r- hav-ing a transmission rate not exceeding I perm is instalied on the warm side of the attic insulation. -- Sec. 1505.3{ Exception 2