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Jov . 28 . 2006 10 53AM� �Nadeoa TimberRoots— No .7593—P. 3
<br /> MINIMUM UNIFORMLY DISTRIBUTED Paper storage rooms § IMPACT LOADS
<br /> LIVE LOADS Pressrooms 1501 The live loads shall be assumed-to Include adequat,
<br /> LIVE Public rooms 100 lowence for ordinary impact conditions. Provi:
<br /> LOAD Residential shall be made in structural design for uses and Ic
<br /> OCCUPANCY OR USE (P$F) Multifamily houses that involve unusual vibration and impact forces.
<br /> '-morlas and drill rooms 160 Private apartments 40 1. ELEVATORS: All moving elevator loads shall
<br /> rmDly hallo and other plates of assembly Public rooms 100 increased 100%for impact,and the structural s
<br /> 0
<br /> "Fixed seats 6 Corridors 80 ports shall be designed within limits of deflect
<br /> Movable seats 160 Dwellings prenrlbed by American National Standard Sal
<br /> Platforms(assembly) 100 First floor 40 Code for Elevators, Dumbwoiten, Escalators, i
<br /> Second floor and habitable atiics 30 Moving Walks,A17,1.1971,and American Natic
<br /> Attics Uninhabitable attics 20 Standard Practice for the Inspection of Elevat
<br /> Nonstorage 25 Hotels (Inspector's Manual)A17.2.1960.
<br /> Storage 80• Guest rooms 40
<br /> Bakeries 160 Public rooms 100 2. MACHINERY: For the purpose at dalgn.
<br /> Corridors serving public rooms 100 weight of machinery and moving loads shall be
<br /> Balconies Ron as follows to allow for Impact: (a)slave
<br /> Exterior 100
<br /> Rest rooms and toilet rooms 60 machinery, 100%; (b) light machinery, shaft
<br /> Interior.(fixed seats) 60 Schools motor driven,20%;5 reciprocating machinery
<br /> Interior(movable seats) 100 Classrooms 40 "6Power driven unit, rce(d) hangers for floor
<br /> balconies,33 . All percentages to be increased
<br /> Bowling alleys,poolrooms,and similar Corridors 80 so recommended by the manufacturer,
<br /> recreational areas 75 Sidewalks,vehicular driveways,and yards 3. CRANEWAYS: All eranaways shall have their 1
<br /> Broadcasting studios 100 subject to trucking 250 sign loads increased for Impact as follows: la;
<br /> vertical force equal to 25%of the maximum wh
<br /> Catwalks 25 Skating rinks 100 load;(b)a lateral force equal to 20%of the weic
<br /> Cold storage rooms Stain and exitways 100 of trolley and lifted load only,applied one-half
<br /> Floor 150 Storage warehouses the top of each rail;and Ic)a longitudinal fora
<br /> Roof 250 Light 125 10%of the maximum wheel loads of the vane l
<br /> Corridors MOM 2550 piled at top of rail
<br /> First floor 100 Hey are grain 300
<br /> Other floors,same as occupancy served Stores
<br /> except as indicated Retail MINIMUM ROOF LOADS
<br /> Dance halls and ballrooms 100 First floor, 100 1. FLAT,PITCHED,OR CURVED ROOFS:Ordlna
<br /> Dining rooms and restaurants 100 Wholesale f 125 roofs—fist.pitched,or carved—shall be designed f
<br /> the live loads or the snow load,whichever produc
<br /> Dormitories rtioned 80 Telephone exchange rooms 1501 the greater strum.
<br /> P Theaters 2. PONDING: For roofs,car shall be taken to pr1
<br /> Partitioned 40 Aisles,corridors,and lobbies 100 vide drainage or the load shall be increased to rel
<br /> File rooms Orchestra floors 60
<br /> resent all likely accumulations of water.Deflectio
<br /> Card 125• Balconies B0 of roof members will permit pending of water a
<br /> Latter 80• Stage floor, companied by Increased deflection and additioni
<br /> Fire escapes on multifamily or single family Dressing rooms 40 pending•
<br /> residential buildings only 100 Grid Iron floor or fly gallery grating 60 3. SPECIAL PURPOSE ROOFS: When used for inc
<br /> Projection room 100 promenade purposes,roofs shall be deaigne
<br /> Foundries 6001 for a mfnlmum live load of 60 psf;100 psf whe
<br /> Transformer rooms 200t designed for roof garden or assembly uses. Real
<br /> Fuel rooms,framed 4001 Vaults,in offices 250• to be used for other special purposes shall be de
<br /> larages(passenger ears only).For trucks Yards and terms,pedestrians 1Q0 signed for appropriate loads,as directed or approval
<br /> and buses use AASH04 lane load 50 by the building official.
<br /> Grandstands 100 •Intxesse when occupancy exceeds this amount, .
<br /> tUss weight bf actual equipment when greater=
<br /> Greenhouses 150 §American Association of State Highway Officials.
<br /> Gymnasiums,main floors and balconies 100 §Paper storage 50 lb/ft of clear story height. LINE LOAD REDUCTION
<br /> Hospitals In general, design live leads not in excess of 100 ps
<br /> Operating rooms,laboratories 60 on any member supporting an area of 150 sq ft o
<br /> Private rooms 40 LlYS LOAD more, except for places of public assembly, repair
<br /> Wards garages,parking structures,and roofs-may be reducsc
<br /> Corridors,above fiat flccr 80 Live load is the weight superimposed by the use and oc- at a rate of 0.08%/sq ft supported by that member
<br /> cupenev of the building or other structure,not Includ- The reduction shall not:::card the value of R'r on the
<br /> Hotels(see Residential) — ing the wind load,mow load,earthquake iced,or dean following formula:
<br /> Kitchens,other then domestic 1a0t load: R-23 r 1+l?)
<br /> Laboratories,scientific 100 The lire loads to be assumed in the design of buildings 11 L /
<br /> Laundries ISO, and other structures shall be the greatest loads that where R reduction(%1
<br /> probably will be produced by the intended use or oc- D-dead load per square fcot of area:upper ad
<br /> Libraries cupancy,but In no case less the the minimum uni- b the member
<br /> Reading rooms o';, form-fy fistrhated-jilt load. =!lye loco per:qu_rs .. cr - -crsc
<br /> Stack rooms ibooks and shelving at �i by the member
<br /> 66 ccf)but not less then 1__ THRUST S ."��i'J f!.'4iVDF1AiLS
<br /> Corridors,above first floor 9C In no case should the reduction exceed 60%icr var?i.
<br /> ----' "— —"""""' " Stairway and boico raisin both exterior and in• cal members,nor 40 to 60%fcr hori:.cntal:members.
<br /> Manufacturing y ne 9s.
<br /> !_fight _ rye terror,shall a designed to resist a vertical ends feral- =or live loads in excess of iiiU psi,=me ccces aoo�t a
<br /> Heavy �2r,� zonal:;xus:of SO Ib/linear:.applied st the top of the
<br /> lug 300 railing. live load reduction of 20%for columns only,
<br /> Marquees 75
<br /> 1rDi4CEiy i F.AT�sD LOADS
<br /> Morgues 125 Floors shall be designed to support safely theuniformly CODES AND STANDARDS
<br /> Office buildings distributed live lead or the concentrated load in The applicable building code should be referred to for
<br /> Office I 5C pounds given,whichever produces the greater stresses. specific uniformly distributed live load, movable par-
<br /> Business machine equipment IOUT Unless otherwise specified,the indicated concentration tition load, special, and concentrated load require-
<br /> Lobbies no shall be assumed to occupy on:area of 21/2 sq ft and menu.
<br /> Corridors,above the first floor 1 80 shall be so Iecst_d as to produce the maximum straw
<br /> I File and computer rooms require heavier conditions in the structural members. In addition to the specific code requirements,the de.
<br /> loads based on anticipated occupancy signer must consider the effects of special loading con-
<br /> Penal Institutions PARTIAL LOADING ditions,such as moving loads,construction leads,roof
<br /> Call blocks6 4C The full intensity of the appropriately reduced live
<br /> top oes ormh9 angiing equipment Irsd�iology, from sup-
<br /> Call 100 foods P hanging gy, computer,
<br /> 7rinti applied only to a portion of the length of a struc- heavy filing,or mechanical equipment).
<br /> rag plants ture or member shall be considered if it produces a
<br /> Composing rooms 100 more unfavorable effect then the same intensity,ap- The live loads given in this table are obtained by
<br /> Linotype rooms 100 piled over the full length of the structure or member. reference to ANSI A58.1.1972.
<br /> David H.Holtm";Hansen Und Mayer,i.c.;love Gty,lows
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<br /> STANDARDS
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