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Home My WebLink Aboutre: hazardous bldg info CITY of ORONO RPost Office Box 66•Crystal Bay, Minnesota 55323•Municipal Offices On the North Shore of Lake Minnetonka August 4 , 1988 Roger & Gail Koehnen 1905 West Wayzata Boulevard P.O. Box 207 Long Lake, MN 55356 Re: 525 Tonkawa Road - Hazardous Building Dear Mr. & Mrs. Koehnen: In reviewing your file, it was brought to my attention that your letter dated June 1, 1988 requested a 60 day extension. This extension expired on July 30, 1988. Therefore, I am requesting that you remove the structure. Please provide me with a schedule to complete the project when you apply for a demolition permit. Failure to take action on this matter by August 9, 1988 will result in continuing the Hazardous Building Action. If you have any questions, please feel free to contact me at my office. Sincerely, Thomas J. Jacobs, Senior Building Inspector TJJ/tln cc: Mark E. Bernhardson, City Administrator Jeanne A. Mabusth, Building & Zoning Administrator John R. Gerhardson, Public Works Director BUILDING&ZONING—473-7357 • ADMINISTRATION&FINANCE—473.7358 • PUBLIC WORKS—473-7359 ASSESSING CITY OF ORONO BUILDING a ZONING DEPARTMENT HAZARDOUS BUILDING TIME SHEET TIME PERIOD ENDING RECORDED Address: 5a•� �`a�n �pi , 19_ date b}• STAFF FUNCTION N oIN W a. o r. E X H 1. .= O p tY, H «+ N a Ez- D. H W 1V4W a U H N C E Q H O m Z 0 .-. Z •D +' I � I t HAZARDOUS BUILDING NOTIFICATION Comments Address Sot 5 7a)wKA o—jA kl- inspection Date: ;2 Photos Taken: /Ye" s No Date: Special Inspector (Engr. Appraiser) Information Sent to Attorney Date: 1st Notification To:- �;,ne-T KpErev. Date: -3 2nd Notification To: Date: Resolution Sent (Before Council Mtg) Date: 3 - f'-f- 8�f By: To: ca ✓ FG,A Aell— Resolution Sent to Attorney Attorney Correspondence & Notification Court Date: iA CITY of ORONO CITY Post Office Box 66•Crystal Bay,Minnesota 55323•Municipal Offices On the North Shore of Lake Minnetonka March 3, 1988 Roger A. Koehnen 1964 West Wayzata Boulevard Long Lake, MN 55356 Re: 525 Tonkawa Road, Orono - Hazardous Commerical Storage in Residential Zone Dear Mr. Koehnen: I conducted an inspection on February 29 , 1988 which revealed that your basement structure is being used for a plumbing shop. This is in violation of the Orono Ordinances and must be stopped. Also, this structure which has been used as a plumbing shop and has been left open to the public and left in an unsafe condition. I am writing this letter to inform you that the structure at the above subject property is being reviewed as a hazardous building. At the end of this review, I will be sending this hazardous building information to the City Council meeting of March 14, 1988 to be acted on by the City Council. If you have any questions, please feel free to contact me. Sincerely, Thomas J. Jacobs, Building Official TJJ/tln cc: Mark E. Bernhardson, City Administrator Jeanne A. Mabusth, Building & Zoning Administrator Melvin Kilbo, Police Chief Thomas Barrett, City Attorney Nancy Husnik, Legal Assistant BUILDING&ZONING—473-7357 • ADMINISTRATION&FINANCE—473-7358 • PUBLIC WORKS—473-7359 ASSESSING 1 { f TONRAWA ROAD ; ;UBDIVISION: Auditors Subdivision 207 - 41460 1 Claremont Heights - 42040 Rosenthal - 03167 1 Mtka Summit Park - 42620 Partens Pt 1st Div - 428 RLS 540 - 43094 RLS 1305 - 43155 Aud Subd 217 - 41480 Vasa Park - 43520 i ),0. - Long Lake Name No. PID McDowell, John 315 06-117-23 14 0021 McDowell, John 405 06-117-23 14 0020 Flannery, Michael J. 420 05-117-23 32 0001 Williams, Thomas R. Jr. 425 06-117-23 41 0088 .37AB Gage, Edwin C. 460 05-117-23 32 0002 112 Fritz, David L. 473 06-117-23 41 0092 186 Dombeck, Michael S. 499 06-117723 41 0097 .255AB Nelson, Glen D. 500 05-117-23 32 0003 Sedell, Ella (L.O. ) 505 06-117-23 41 0065 Carlson, Curtis (caretaker) 520 05-117-23 32 0005 Koehnen, Roger A. 525 06-117-23 41 0098 ,;. "!04A Carlson, Curtis L. 550 05-117-23 32 0004 630 05-117-23 33 0018 142 Rosenthal, Eugene & Nancy 640 05-117-23 33 0017 Temple Israel 645 05-117-23 33 0001 162 Adair, Fermer W. 650 05-117-23 33 0005 Lindall, Donald W. (A.O. ) 660 05-117-23 33 0016 i00 A Lindall, Donald W. 666 05-117-23 33 0016 Torkelson, George L. 670 05-117-23 33 0009 Leipold, Darel J. 678 05-117-23 33 0008 Keller, Wayne F. 680 05-117-23 33 0010 Hagen, John M. 684 05-117-23 33 0011 Alston, Gordon D. 690 05-117-23 33 0012 X165 Pugh, De Ell 692 05-117-23 33 0013 Weckwerth, Ronald L. 700 05-117-23 33 0014 Huzio, Adam, 712 05-117-23 33 0015 Middleton, Patrick & Kathleen 720 05-117-23 34 0002 Haugan, Todd & Ritten, Teresa 722 05-117-23 34 0001 Larson, Robert H. 724 05-117-23 34 0003 Gregerson, Mark C. 740 05-117-23 34 0004 Larson, John W. 746 05-117-23 34 0005 Benson, Henry E. 750 05-117-23 34 0006 Benson, Henry E. (A.O. ) 752 05-117-23 34 0006 1079 Kline, Richard 755 05-117-23 33 0003 Fox, A.H. (609 Otis, St. Paul)760 05-117-23 34 0007 LaJoy, Hartley M. 770 05-117-23 34 0008 1354 Fisher, Ann C. 774 05-117-23 34 0009 177 A Jabbour, Gabriel 780 05-117-23 34 0010 109 A/B Morrison, John M. 801 08-117-23 21 0001 Adelshein, Maurice Jr. 845 08-117-23 21 0002 Collins, George A. 847 08-117-23 21 0003 180 A Lund, Russell T. Jr. 905 08-117-23 21 0012 179 A McLellan, William J. 935 08-117-23 21 0013 1080 Gilbert, James & Mary 955 08-117-23 21 0014 Ridler, David J. 960 08-117-23 12 0003 Anderson, Dale R. 970 08-117-23 12 0002 ' I CITY OF ORONO Cover Sheets INSPECTION DEPT. REPORT Sheets Attached HAZARDOUS BLDG , Res SITE ADDRESS WHAT INSPECTED k'__pASEhA EN'M PRINCIPAL USES USE ZONE LEGAL DESCRIPTION S,E�E a-t-4,l,,�w,.�. OWNER �oqp� Ko£�n nC wv , address 196L( We`z&-VA �,t�J� phone AGENT address phone OCCUPANTS address phone address phone LIEMIOLDERS address --phone- CONSTRUCTION honeCONSTRUCTION OF BUILDING r no. of stories PERMITS ISSUED ON BUILDING NT DIMENSIONS OF BUILDING _'L_x, 14- SETBACKS - front rear sides building inspection-date 2 vZ inspector plumbing inspection-date inspector electrical inspection-date inspector fire inspection-date inspector health inspection-date inspector photos taken-date RECW4ENDATIONS OF THE INSPECTION DEPARTMENT �t�tMpJrc , `. PROPERTY INSPECTION REPORT APPLICANT'S NAME R ` DIRECTIONS TO HOME/ADDRESS &IS :7Z � x-43 PSF ❑ DUPLEX # STORIES YEAR YEAR BUILT NUMBER OF ROOMS IN PRESENT STRUCTURE (excluding bathrooms and kitchen) y- INSPECTION DATE 2 -�� - B� SIGNATURE OF INSPECTOR* m NAME OF ADMINISTERING ENTITY NOTE: *INSPECTION REPORTS WILL NOT BE ACCEPTED WITHOUT THE SIGNATURE OF THE INSPECTOR. CHECK THE APPROPRIATE BOXES IN THE LEFT COLUMNS.AT LEAST ONE BOX SHOULD BE CHECKED FOR EACH ITEM.INDI- CATE THE EXISTING CONDITIONS IN THE SPACE PROVIDED. NOW MML� OK EXISTING CONDITIONS Smoke Detectors — Location INTERIOR BASEMENT: fX Full ❑ Partial ❑ Crawl Space ❑ Slab Floor &am /� RE�s.i 4S frac. _ MC-Fb P� Foundation Footings (�,c�o"E K)oT L eL-JE Foundation Walls Re -Z:krE: rk Sova.E Cc Con L s VN&E UBL -ro IPvt veer doors 01.4 �T . U6Lztio-7 Beam Posts Beams Joists 'DAW.%ane-J $y wAT-L� Remove ',)%C 2- ' yLace— Rim Joist Insulation N3 LNsTaLL Windows/Frames: #of units: V OroKem GL 4ss siii87 FUM MMU RB"M OK EXISTING CONDITIt,.aS SEMENT STAIRS Treads/Ri s Handrails Electrical: Light Switch ELECTRICAL S�.v� c�FF .4—C rA�TE(Z Service Panel: 3 ❑ Fuse Type ❑ Circuit Breaker ❑ #Amps: ❑ 30 60 ❑ 100 ❑ 200 W e Light tures Receptacles PLUMBING Water Service: ❑ City ❑ Private Well Sewer Service: ❑ City ❑ Sep s Service Water Pipe Waste Pip lean Out Plugs Floor Drain Water Heater: ❑ Gas ❑ Electric Vent Hood/Pipe NONE �� OK (PuUMOruGCart.) EXISTING CONDITIU,mS a T& P Relief Valve Overflow Pipe Shut Off Valves LAUNDRY FACILITIES Trap Waste Pipe Vent Pipe � Water Connection Waste Standpipe Gas Shut Off V Electrical ATING SYSTEM: Location of Unit: 'NOT c J k a e_1 �ur ti1P�G Type of Unit: ❑ Gas Forced it El Oil Forced Air F-1 Boiler El Wood Flue Vent Pipe and Connections Main Trunk and Branch Duct Pipe Expansion Tank REAR/SIDE ENTRY Floor Walls Ceiling WAR w* rwAuFuLAM Or fWARS EUMYCmV EXISTING CONDITIONS Prime Door Weatherstripping ' Electrical:, Light Switch Exterior: Light Switch i KI CHEN �E Ep V-0Q c\e- `1 A -- P /V'2-D 5.a C Floor LL I Walls Ceiling Windows: #of uni Exterior Door Electrical: Light Switch Receptacles Countertops Cabinets KITCH7 PLUMBING Fauc rap Vent Sink DINING ROOM Floor FUVM fKM 10ML FULAM OK OrMG PAM Ct.) EXISTING CONDI i iJNS Walls Ceiling Windows: #of units: Elect al: Light S ch LIVING R M �vSR'wS' To Fro"� Floor _s Walls Ceiling Exte ' r Door . indows: #of units Electrical: Light Switch Receptacles MAIN ENTRY Floor IGE -&c" up Ofz Walls Ceiling �E�Mo11� LAC�� lord Prime Door Windows: #of units Electrical: Light Switch rJ oT k-).�ole-"(—\n Exterior: Light Switch NOPE #WrnuFEMACF OK - EXISTING CONDITIG..o HALL Floo Walls Ceiling lectrical: Light Switch AErnw - NODE wmu FEMALE OK BATHROOM #1: Location: BATHROOM #2: Location: .000 �� _U ac- Floor Floor Is IIs Ceilin Ceiling d s: s: Windo s: #of u ' s: Door oor BATHROOM PLUMBING BATHROOM PLUMBING Sink Sink r Faucet Faucet Trap Trap V t Vent ❑ Tub Shower ❑ Tub ❑ ShAver Faucet juc Trap — 6 — WK ��CE OK EXISTINL JNDITIONS � �MUCE OK EXISTING CONDITIONS r Showerhead Showerhead Vent Vent Toilet Toilet Anti-Siphon Ballcock Anti-Siphon Ballcock loat Assembly Float Assembly Seat Seat Shut Off V ve Shut Off Valve BATHROOMe CTRI AL BATHROOM ELECTRICAL Electrical: Light Switch Electrical: Light Switch Receptacle Groun d Receptacle Grounded Vent Fan Vent Fan GFI GFI BEDROO #1 BEDROOM #2 Floor Floor Walls Walls Ceilin Ceiling Win s: #of units: Windows; #of units: Doors Doors Electrical: Light Switch Electrical: Light Switch Receptacles Receptacles — 7 — � � MT � OK EXISTIN, ,ONDITIONS NW WSTAU RULACE OK EXISTING CONDITIONS BEDROOM #3 BEDROOM #4 Floor Floor a Walls Ceiling Ceiling Windows: #of units: Windows: #of units: Doors Doors Electrical: Light Sw tch Electric Light Switch Receptacles Receptacles STAIRS TO SECO D FLOOR Treads/Risers Handrail Walls Ceiling Windows: #of units: Electrical: Light Switch ATTIC Rafters Roof Boards IUot, ��oECT�a — V6C 17t `'Da R, � t yr Ig t (ST FCooY pfo� Ot= — 8 — REPAIR/ NOW NSTAIl REPLACE OK (ATTIC cart.) EXISTING C 0 N D IT I u,a S r Type of Wiring EXTERIOR Foundation Ground Slope at Foundation Siding j .. Wall Insulation Pra,4 t".SU L / Q0- / A V-4 s v ��K Soffit and Fascia Gutters and Downspouts Leaders and Splash Blocks Roof Design: ❑ Hip ❑ Gable Other _1_' Roofing �ZEyv�ov+= csc a Chimney Flashing and Vent Jacs Ventilation: ❑ oof ❑ Soffit ElGable ❑ Ridge N e, I o 0(- Storm Windows• # of units: ��- Storm Door: Main 6/1f Side/Rear Entry Steps: Main Handrail Side/Rear Handrail Grade Steps Handrail — 9 — NOW MTAM FmnAm oK MXTO RCoWQ EXISTING CONDITI.,.JS Sidewalk Garage: ❑ Detached Attached T �D a:slv �Z NOTEWEXPLANATIONS -_ — 10 — d EDITION 202-204 damage that may accrue to persons or property as a result of any act or by reason of any act or omission in the discharge of his duties. Any suit brought against the building official or employee because of such actor omission performed by him in the enforcement of any provision of such codes shall be defended by this jurisdic- tion until final termination of such proceedings, and any judgment resulting therefrom shall be assumed by this jurisdiction. This code shall not be construed to relieve from or lessen the responsibility of any person owning, operating or controlling any building or structure for any damages to persons or property caused by defects,nor shall the code enforcement agency or its parent jurisdiction be held as assuming any such liability by reason of ( the inspections authorized by this code or any certificates of inspection issued under this code. (g)Cooperation of Other Officials and Officers.The building official may request,and shall receive so far as is required in the discharge of his duties,the assistance and cooperation of other officials of this jurisdiction. e W Unsafe Buildings or Structures Sec.203.All buildings or structures regulated by this code which are structur- ally unsafe or not provided with adequate egress,or which constitute a fire hazard, or are otherwise dangerous to human life are, for the purpose of this section, unsafe.Any use of buildings or structures constituting a hazard to safety,health or public welfare by reason of inadequate maintenance,dilapidation,obsolescence, fire hazard,disaster,damage or abandonment is,for the purpose of this section,an unsafe use. Parapet walls, cornices, spires, towers, tanks, statuary and other appendages or structural members which are supported by,attached to,or a part of a building and which are in deteriorated condition or otherwise unable to sustain the design loads which are specified in this code are hereby designated as unsafe building appendages. All such unsafe buildings,structures or appendages are hereby declared to be public nuisances and shall be abated by repair, rehabilitation, demolition or removal in accordance with the procedures set forth in the Dangerous Buildings Code or such alternate procedures,as may have been or as may be adopted by this jurisdiction.As an alternative,the building official,or other employee or official of this jurisdiction as designated by the governing body,may institute any other appropriate action to prevent,restrain,correct or abate the violation. Board of Appeals Sec. 204. In order to determine the suitability of alternate materials and methods of construction and to provide for reasonable interpretations of this code, there shall be and is hereby created a Board of Appeals consisting of members who are qualified by experience and training to pass upon matters pertaining to building construction and who are not employees of the jurisdiction.The building official shall be an ex officio member of and shall act as secretary to said board. The Board of Appeals shall be appointed by the governing body and shall hold office at its pleasure.The board shall adopt rules of procedure for conducting its business and shall render all decisions and findings in writing to the appellant with a duplicate copy to the building official. 5 EDITION 1205-1207 EXCEPTION:Required windows may open into a roofed porch where the porch: 1.Abuts a street,yard or court;and 2.Has a ceiling height of not less than 7 feet;and 3.Has the longer side at least 65 percent open and unobstructed. (b)Sanitation.Every building shall be provided with at least one water closet --- Every hotel or subdivision thereof where both sexes are accommodated shal. �..� contain at least two separate toilet facilities which are conspicuously identified for O male or female use,each of which contains at least one water closet. (' EXCEPTION:Hotel guest rooms may have one unidentified toilet facility. Additional water closets shall be provided on each floor for each sex at the rate of one for every additional 10 guests,or fractional part thereof,in excess of 10. %'> j Every dwelling unit shall be provided with a kitchen equipped with a kitchen V sink. Every dwelling unit and every lodging house shall be provided with a bathroom equipped with facilities consisting of a water closet,lavatory and eithet a bathtub or shower.Each sink,lavatory and either a bathtub or shower shall be equipped with hot and cold running water necessary for its normal operation. For other requirements on water closets,see Section 511. Yards and Courts Sec. 1206. (a) Scope. This section shall apply to yards and courts having required windows opening therein. (b)Yards.Every yard shall be not less than 3 feet in width for one-story and two-story buildings.For buildings more than two stories in height,the minimum width of the yard shall be increased at the rate of 1 foot for each additional story. For buildings exceeding 14 stories in height,the required width of yard shall be computed on the basis of 14 stories. (c)Courts.Every court shall be not less than 3 feet in width.Courts having windows opening on opposite sides shall be not less than 6 feet in width.Courts bounded on three or more sides by the walls of the building shall be not less than 10 feet in length unless bounded on one end by a public way or yard.For buildings more than two stories in height,the court shall be increased 1 foot in width and 2 feet in length for each additional story. For buildings exceeding 14 stories in height,the required dimensions shall be computed on the basis of 14 stories. Adequate access shall be provided to the bottom of all courts for cleaning purposes.Every court more than two stories in height shall be provided with a horizontal air intake at the bottom not less than 10 square feet in area and leading to the exterior of the building unless abutting a yard or public way.The construc- tion of the air intake shall be as required for the court walls of the building,but in no case shall be less than one-hour fire resistive. Room Dimensions i See.1207.(a)Ceiling Heights.Habitable space shall have a ceiling height of not less than 7 feet 6 inches except as otherwise permitted in this section. Kitchens,halls,bathrooms and toilet compartments may have a ceiling height of not less than 7 feet measured to the lowest projection from the ceiling. Where 73 1207-1210 UNIFORM BUILDING CODE exposed beam ceiling members are spaced at less than 48 inches on center,ceiling height shall be measured to the bottom of these members.Where exposed beam ceiling members are spaced at 48 inches or more on center,ceiling height shall be / measured to the bottom of the deck supported by these members,provided that the bottom of the members is not less than 7 feet above the floor. If any room in a building has a sloping ceiling,the prescribed ceiling height for the room is required in only one-half the area thereof. No portion of the room measuring less than 5 feet from the finished floor to the finished ceiling shall be included in any computation of the minimum area thereof. (� If any room has a furred ceiling,the prescribed ceiling height is required in two / 1 thirds the area thereof,but in no case shall the height of the furred ceiling be less D than 7 feet. (b)Floor Area.Every dwelling unit shall have at least one room which shall (V x have not less than 120 square feet of floor area. Other habitable rooms except kitchens shall have an area of not less than 70 square feet. Efficiency dwelling units shall comply with the requirements of Section 1208. (c)Width.Habitable rooms other than a kitchen shall be not less than 7 feet in any dimension. Efficiency Dwelling Units Sec.1208.An efficiency dwelling unit shall conform to the requirements of the code except as herein provided: 1. The unit shall have a living room of not less than 220 square feet of superficial floor area.An additional 100 square feet of superficial floor area shall be provided for each occupant of such unit in excess of two. 2.The unit shall be provided with a separate closet. 3. The unit shall be provided with a kitchen sink, cooking appliance and refrigeration facilities, each having a clear working space of not less than 30 inches in front.Light and ventilation conforming to this code shall be provided. 4. The unit shall be provided with a separate bathroom containing a water closet,lavatory and bathtub or shower. Shaft Enclosures Sec.1209.Exits shall be enclosed as specified in Chapter 33. Elevator shafts, vent shafts, dumbwaiter shafts, clothes chutes and other vertical openings shall be enclosed and the enclosure shall be as specified in Section 1706. Fire-warning and Sprinkler Systems Sec. 1210(a) Fire-warning Systems. Every dwelling unit and every guest room in a hotel or lodging house used for sleeping purposes shall be provided with smoke detectors conforming to U.B.C. Standard No. 43-6. In dwelling units, detectors shall be mounted on the ceiling or wall at a point centrally located in the corridor or area giving access to rooms used for sleeping purposes.In an effi- ciency dwelling unit,hotel sleeping.room and in hotel suites,the detector shall be centrally located on the ceiling of the main room or hotel sleeping room.Where 74 EDITION 1210-1212 M sleeping rooms are on an upper level,the detector shall be placed at the center of the ceiling directly above the stairway.All detectors shall be located in accordance with approved manufacturer's instructions. When actuated, the detector shall provide an alarm in the dwelling unit or guest room. When the valuation of an addition or repair to a Group R,Division 3 Occupancy exceeds$1,000.00,or when one or more sleeping rooms are added or created in existing Group R,Division 3 Occupancies,the entire building shall be provided with smoke detectors located as required for new Group R,Division 3 Occupan- cies. % In new construction, required smoke detectors shall receive their primary power from the building wiring when such wiring is served from a commercial source.Wiring shall be permanent and without a disconnecting switch other than those required for overcurrent protection.Smoke detectors may be battery oper- ated when installed in existing buildings, or in buildings without commercial - - — power,or in buildings which undergo alterations,repairs or additions regulated by the second paragraph of this section. A smoke detector shall be installed in the basement of dwelling units having a i stairway which opens from the basement into the dwelling.Such detector shall be connected to a sounding device or other detector to provide an alarm which will be audible in the sleeping area. (b)Sprinkler and Standpipe Systems.When required by other provisions of this code,automatic sprinkler systems and standpipes shall be installed as speci- fied in Chapter 38. Heating Sec.1211.Every dwelling unit and guest room shall be provided with heating facilities capable of maintaining a room temperature of 70°E at a point 3 feet above the floor in all habitable rooms. Special Hazards Sec.1212.Chimneys and heating apparatus shall conform to the requirements of Chapter 37 and the Mechanical Code. The storage and handling of gasoline,fuel oil or other flammable liquids in Division 1 Occupancies shall be in accordance with the Fire Code. In Division 1 Occupancies,doors leading into rooms in which Class I flamma- ble liquids are stored or used shall be protected by a fire assembly having a one- hour fire-protection rating.Such fire assembly shall be self-closing and shall be posted with a sign on each side of the door in 1-inch block letters stating:FIRE DOOR—KEEP CLOSED. Every room containing a boiler,central heating plant or hot-water supply boiler in Division 1 Occupancies shall be separated from the rest of the building by not less than a one-hour fire-resistive occupancy separation. EXCEPTION:A separation shall not be required for such rooms with equipment serving only one dwelling unit. 75 1710-1712 UNIFORM BUILDING CODE Projections from walls of Type III,IV or V construction may be of noncombus- tible or combustible materials. Combustible projections located where openings are not permitted or where protection of openings is required shall be of one-hour fire-resistive or heavy timber construction conforming to Section 2106. Projections shall not extend more than 12 inches into the areas where openings are prohibited. For projections extending over public property,see Chapter 45. For combustible ornamentation,see Section 1705(d). Guardrails Sec. 1711.All unenclosed floor and roof openings,open and glazed sides of landings and ramps,balconies or porches which are more than 30 inches above grade or floor below,and roofs used for other than service of the building shall be protected by a guardrail. Guardrails shalt be not less than 42 inches in height. Open guardrail and stair railings shall have intermediate rails or an ornamental pattern such that a sphere 6 inches in diameter cannot pass through.The height of (� stair railings on open sides may be as specified in Section 3306 0) in lieu of providing a guardrail.Ramps shall,in addition,have handrails when required by Section 3307. EXCEPTIONS: 1. Guardrails need not be provided on the loading side of loading docks. - 2.Guardrails for Group R,Division 3 and Group M,Division I Occupancies may be 36 inches in height. j 3.Interior guardrails within individual dwelling units or guest rooms of Group R, Division I Occupancies may be 36 inches in height. 4.The open space between the intermediate rails or ornamental pattern of guard- rails in areas of commercial and industrial-type occupancies which are not accessible to the public may be increased such that a 12-inch-diameter sphere cannot pass through. 5.Guardrails on a balcony immediately in front of the first row of fixed seats and which are not at the end of an aisle may be 26 inches in height. 6.Guardrails need not be provided on the auditorium side of a stage or enclosed platform. Foam Plastic Irtisulation Sec.1712.(a)General.The provisions of this section shall govern the require- ments and uses of foam plastic in buildings and structures.For trim,see Section 1705(e). Except where otherwise noted in this section,all foam plastics used in building construction shall have a flame-spread rating of not more than 75 and shall have a smoke-developed rating of not more than 450 when tested in the maximum thickness intended for use in accordance with U.B.C. Standard No. 42-1. All packages and containers of foam plastic and foam plastic ingredients shall bear the label of an approved agency showing either the flame-spread rating and smoke- developed rating of the product at the thickness tested or the use for which the product has been listed.The interior of the building shall be separated from the foam plastic by an approved thermal barrier having an index of 15 when tested in 82 2517 UNIFORM BUILDING CODE 6.Pipes in walls.Stud partitions containing plumbing,heating,or other pipes shall be so framed and the joists underneath so spaced as to give proper clearance for the piping.Where a partition containing such piping runs parallel to the floor joists,the joists underneath such partitions shall be doubled and spaced to permit f the passage of such pipes and shall be bridged.Where plumbing,heating or other pipes are placed in or partly in a partition,necessitating the cutting of the soles or plates,a metal tie not less than 1/8 inch thick and 11/2 inches wide shall be fastened to the plate across and to each side of the opening with not less than four 16d nails. 7.Bridging.Unless covered by interior or exterior wall coverings or sheathing meeting the minimum requirements of this code,all stud partitions or walls with studs having a height-to-least-thickness ratio exceeding 50 shall have bridging not less than 2 inches in thickness and of the same width as the studs fitted snugly and nailed thereto to provide adequate lateral support. 8.Cutting and notching.In exterior walls and bearing partitions,any wood stud may be cut or notched to a depth not exceeding 25 percent of its width. (n Cutting or notching of studs to a depth not greater than 40 percent of the width of the stud is permitted in nonbearing partitions supporting no loads other than the „J weight of the partition. l f 9.Bored holes.A hole not greater in diameter than 40 percent of the stud width may be bored in any wood stud. Bored holes not greater than 60 percent of the (� width of the stud are permitted in nonbearing partitions or in any wall where each Nbored stud is doubled,provided not more than two such successive doubled studs / ✓ are so bored. In no case shall the edge of the bored hole be nearer than 5/8 inch to the edge of the stud.Bored holes shall not be located at the same section of stud as a cut or notch. (h)Roof and Ceiling Framing. 1. General.The framing details required in this subsection apply to roofs having a minimum slope of 3:12 or greater.When the roof slope is less than 3:12,members supporting rafters and ceiling joists such as ridge board,hips and valleys shall be designed as beams. 2.Spans.Allowable spans for ceiling joists shall be in accordance with Table No.25-U-J-6.Allowable spans for rafters shall be in accordance with Tables No. 25-U-R-1 through No.25-U-R-14,where applicable. 3.Framing.Rafters shall be framed directly opposite each other at the ridge. There shall be a ridge board at least 1-inch nominal thickness at all ridges and not less in depth than the cut end of the rafter.At all valleys and hips there shall be a single valley or hip rafter not less than 2-inch nominal thickness and not less in depth than the cut end of the rafter. 4. Rafter ties. Rafters shall be nailed to adjacent ceiling joists to form a continuous tie between exterior walls when such joists are parallel to the rafters. Where not parallel,rafters shall be tied to 1-inch by 4-inch(nominal)minimum- size cross ties.Rafter ties shall be spaced not more than 4 feet on center. 5.Purlins.Purlins to support roof loads may be installed to reduce the span of rafters within allowable limits and shall be supported by struts to bearing walls. The maximum span of 2-inch by 4-inch purlins shall be 4 feet.The maximum span 212 1985 EDITION 251 E. Gypsum board(sheathing 1/2 inch thick by 4 feet wide,wallboard or veneer base)on studs spaced not over 24 inches on center and nailed at 7 inches on center with nails as required by Table No.47-I. F. Particleboard wall sheathing panels shall be in accordance with Table No. 25-N-2. G. Portland cement plaster on studs spaced 16 inches on center installed in accordance with Table No.47-I. H. Hardboard panel siding when installed in accordance with Section 2516(g) 6 and Table No.25-0. For methods B,C,D,E,F.G and H the braced panel must be at least 48 inches in width,covering three stud spaces where studs are spaced 16 inches apart and covering two stud spaces where studs are spaced 24 inches apart. Solid sheathing of one of the materials specified in Items B through D and Item F,gypsum wallboard in Item E applied to supports at 16 inches on center,portland cement plaster in Item G,or hardboard panel siding in Item H,shall be applied to p the exterior walls of the first story of all wood framed buildings three stories in !" height.In Seismic Zones Nos.3 and 4 such braced wall sections shall be located at each end,or as near thereto as possible,and shall comprise at least 40 percent of the linear length of the wall. Solid sheathing of one of the materials specified in Items B through D and Item F,gypsum wallboard in Item E applied to supports at 16 inches on center,portland 1 n cement plaster in Item G,or hardboard panel siding in Item H,shall be applied on C either face of the exterior walls of the first story of all wood framed,two-story v buildings and the second story of three-story buildings located in Seismic Zones No. 3 and No. 4. Braced wall sections shall be located at each end or as near thereto as possible and comprise at least 25 percent of the linear length of the wall. All vertical joints of panel sheathing shall occur over studs.Horizontal joints shall occur over blocking equal in size to the studding except where waived by the installation requirements for the specific sheathing materials. 4.Cripple walls.Foundation cripple walls shall be framed of studs not less in size than the studding above with a minimum length of 14 inches,or shall be framed of solid blocking. When exceeding 4 feet in height, such walls shall be framed of studs having the size required for an additional story. Such walls having a stud height exceeding 14 inches shall be considered to be first-story walls for the purpose of determining the bracing required by Section 2517(g)3.Solid blocking may be used to brace cripple walls having a stud height of 14 inches or less. i 5.Headers.Headers and lintels shall conform to the requirements set forth in this paragraph and together with their supporting systems shall be designed to support the loads specified in this code.All openings 4 feet wide or less in bearing walls shall be provided with headers consisting of either two pieces of 2-inch framing lumber placed on edge and securely fastened together or 4-inch lumber of equivalent cross section. All openings more than 4 feet wide shall be provided with headers or lintels.Each end of a lintel or header shall have a length of bearing of not less than 11/2 inches for the full width of the lintel. 211 iy I )MON 2905-2907 I (d) Expansive Soils.When expansive soils are present,the building official may require that special provisions be made in the foundation design and con- �D ( struction to safeguard against damage due to this expansiveness.He may require a special investigation and report to provide this design and construction criteria. (e)Adjacent Loads.Where footings are placed at varying elevations the effect of adjacent loads shall be included in the foundation design. (f)Drainage.Provisions shall be made for the control and drainage of surface water around buildings.[See also Section 2907(d)6]. n Allowable Foundation and Lateral Pressures J Sec.2906.The allowable foundation and lateral pressures shall not exceed the values set forth in Table No. 29-B unless data to substantiate the use of higher values are submitted.Table No.29-B may be used for design of foundations on rock or nonexpansive soil for Types II One-hour,U-N and V buildings which do not exceed three stories in height or for structures which have continuous footings having a load of less than 2000 pounds per lineal foot and isolated footings with loads of less than 50,000 pounds. Footings Sec.2907.(a)General.Footings and foundations,unless otherwise specifi- cally provided, shall be constructed of masonry, concrete or treated wood in conformance with U.B.C.Standard No.29-3 and in all cases shall extend below the frost line. Footings of concrete and masonry shall be of solid material. Foundations supporting wood shall extend at least 6 inches above the adjacent finish grade.Footings shall have a minimum depth as indicated in Table No.29-A unless another depth is recommended by a foundation investigation. (b)Bearing Walls. Bearing walls shall be supported on masonry or concrete foundations or piles or other approved foundation system which shall be of f" sufficient size to support all loads.Where a design is not provided,the minimum foundation requirements for stud bearing walls shall be as set forth in Table No. 29-A. EXCEPTIONS:1.A one-story wood or metal frame building not used for human occupancy and not over 400 square feet in floor area may be constructed with walls supported on a wood foundation plate when approved by the building official. 2. The support of buildings by posts embedded in earth shall be designed as specified in Section 2907 (g). Wood posts or poles embedded in earth shall be pressure treated with an approved preservative. Steel posts or poles shall be pro- tected as specified in Section 2908(h). (c)Stepped Foundations.Foundations for all buildings where the surface of the ground slopes more than 1 foot in 10 feet shall be level or shall be stepped so that both top and bottom of such foundation are level. (d)Footings on or Adjacent to Slopes. 1.Scope.The placement of buildings and structures on or adjacent to slopes steeper than 3 horizontal to 1 vertical shall be in accordance with this section. 2. Building clearance from ascending slopes. In general, buildings below ` slopes shall be set a sufficient distance from the slope to provide protection from 523 I� 201-3202 ORM BUILDING CODE Chapter 31 NO REQUIREMENTS Chapter 32 ROOF CONSTRUCTION AND COVERING General ( I Sec.3201.Roofs shall be as specified in this code and as otherwise required by this chapter. Roof Construction and Materials Sec. 3202. (a)Roof Construction and Materials. Roof coverings shall be securely fastened to the supporting roof,construction and shall provide weather protection for the building at the roof. Spaced sheathing for wood roofs shall be spaced not to exceed 6 inches clear nor more than the nominal width of the sheathing board.Sheathing boards shall be N not less than 1 inch by 4 inches nominal dimensions. Diagonal and sway bracing shall be used to brace all roof trusses. (b)Fire Retardancy,When Required.Roof coverings shall be fire retardant except in Types III,IV and V buildings,where it may be as follows:. 1.Ordinary roof coverings may be used on buildings of Group R,Division 3 or Group M Occupancies. 2.Ordinary roof coverings may be used on buildings of Group R,Division I Occupancies which are not more than two stories in height and have not more than 3000 square feet of projected roof area and there is a minimum of 10 feet from the extremity of the roof to the property line on all sides except for street fronts. 3.Group A,Division 3;Group B,Divisions 1 and 2 and Group.R,Division 1 Occupancies which are not more than two stories in height and have not more than 6000 square feet of projected roof area and there is a minimum of 10 feet from the extremity of the roof to the property line or assumed property line on all sides except for street fronts may have Class C roof coverings which comply with U.B.C.Standard No.32-7 and roofs of No. I cedar or redwood shakes and No. 1 shingles constructed in accordance with Section 3203(g),Special Purpose Roofs. Skylights shall be constructed as required in Chapter 34. Penthouses shall be constructed as required in Chapter 36. For use of plastics in roofs,see Chapter 52. For attics,access and area,see Section 3205. For roof drainage,see Section 3207. For solar energy collectors located above or upon a roof,see Section 1714. (c)Quality of Materials.The quality and design of roofing materials and their fastenings shall conform to the applicable standards listed in Chapter 60. 538