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GENERAL CONDITIONS: R606.14 Beam supports. Beams,girders or other concentrated loads supported by a wall or column shall have a bearing of ���, STAIRS,HANDRAILS,GUARDRAILS,AND LANDINGS: -
<br /> 1 All construction shall be in acmrdance with ihe minimum of the�atest adopted edition of the International Residential Code(IRC) at leust 3 inches(76 mm)in length measured parallel to the beam upon solid mosonry not less ihan 4 inches(102 mm)in �� 7 R31 1.7.7 Widih. Siairwuys shal�not be less ihan 36 inches(914 mm) in dear widih ai all poinis above the permitted _ _
<br /> and all of ihe local 6uilding ordinances,with the most siringent condition goveming. ihicknesz,or upon a metal bearing plate of adequate design and dimensions to distribute ihe load safely,or upon a handrail height and 6elow ihe required headroom height. Handrails shall not project more ihan 4.5 inches.
<br /> 2 The mniractor shall verify all dimensions and current conditions on the plans before commencing work and ihe designer or mntinuous reinforced musonry member projeciing not less ihan 4 inches(1 02 mmJ from the face of die wall. 2 R31 1 J.2 Headroom.The minimum heddroom in all parts of the stairway shal)not be less ihan 6 feet 8 inches(2032 mm) �
<br /> eng�neer sholl be norifled of such d�screpandes. R317 3.1 Fasteners for preservative-treated wood.Fasteners for preservative-treated wood shall be of hot 3 R31 1.7.4.1 Riser height.The moximum riser height shall be 7 3;%4 inches�196 mm),meas�red vertically between leading o
<br /> 3 The coniractor shall provide all meowres necessory to protect the siructure,workers,and all other persons during consiruction. dip(JEd ZI�GCOatBd g81V8f11Z2d St281,SIaIf112SS St2El,SIIICOfI b�Of1Z2 Of COppOf. edges of ihe adjacent ireads. The greatest riser height within ony fiiyht of stairs shall not exceed ihe smallest by more - _
<br /> , 4 In ihe event certain features of the construction are not fully shown in ihe plans or called fo�in the notes or specificafions,iheir R317.1.1 &R31 8.1.2 Pield treatment of pressure-preservative-treafed wood. Field-cut ends,notches,and drilled holes of than 3%8 inch(9.5 inml. "
<br /> construction shall be of ihe similar charader as for similar conditions that are shown or called for and shall be reviewed by die p�essure-preservative-ireated wood shall be retreated in ihe field in accordance with AWPA M4. 4 R31 1 7.4.2 Tread depih. The minimum treud depth shall be 10 inches (254 mm), measured horizontally beiween ihe ��
<br /> designer,engineer and ownec R317.2 Pressure-Preservative-Treaded Lumber Quality mark.Lumber and plywood required to be pressure- vertical planes of ffie foremost projection of odjacent treads. The grentest tread depih within any flight of stairs shall noi - =
<br /> preservative-treuted in accordance with Section R31 8.1 shali baar the quality mark of an approved inspection agency � exceed the zmallest by more thon 3;B inch(9.5 mmj. _ � (/') '
<br /> `"CONCRETE: that maintains coniinuing supervision, testing and inspection over ihe quality of the product and that has been ��, 5 R31 1 J.5 Landings For sfoirways. There shall be a floor or Iunding at the top and bottom of each stairw�y,except � � �o
<br /> 7. R404.1.2.3.1 Compressive sirengfh. The miniinum specified compressive strengih of concrete shall coinply with Section approved by an accreditation body that complies with the requiremenis of the American Lumber Standa�d �, interior stairs provided ihat a door does not swing over ffie stairs. Every landing shall have a minimum dimension of 36 _ -
<br /> R�02.2 and shall be not less than 2,500 psi(77.2 MPa)at 28 days in buildings assigned to$eismic Design Category A,B or C and '�, U
<br /> 3000 psi(20.5 MPa)in buildings assigned to Seismic Design Category D',D�and D`'. Committee ireated wood program. �. inches(91 4 mm)measured in ihe direction of travel.
<br /> All frnming anchors,dips,strups,hangers,holddowns,efc.shall be manufactured by Simpson Strong-Tie Company or '�., b R311.7J Handrails.Handrails shall be provided on at least one side of zach continuous run of treads or flight with four � •� �
<br /> *REIS�IPORCING$TEEL: equivalent. �'�, or more risers. Handrail height,measured vertica�ly,shall be not less fhan 34 inches(864 mm� and not more than 38 �
<br /> t. All footings shall be consiructed wirii reinforcement per plan. ���.. inches(9b5 mm). -
<br /> t. All reinforcing bars shall 6e 60 grade (60 KSI). All rebar to be deformed and alI splices shall not be less flian 30 bar MANUFACTURED JOIST: ��, 1 Handrails with a cirwlar cross section shull have an outside diameter of at least 1 1;4 inches(32 mm)and not greater ihan � N
<br /> diameters of the large bar. Horizontal laps in adjacent bars shall be staggered 3'-0"minimum. 1 Exiend all post trimmers through floor to mudsill or provide solid blocking or double joist below per joist munufacturer '�, 2 inthes(51 mm).If the handrail is not circular,it shall have a perimeter dimension of ai least 4 inches(102 mm)and not � -
<br /> reconunendutions. DO NOT exceed maximum loading requiremenis on joizts. ��, greater than 6 1/4 inches(160 mm)with u maximum cross section of dimension of 2 1 j 4 inches(57 mm).Edges shull have � � _
<br /> *POUNDATIONS: 2 All floor haming shall have approved blocking panels installed over all 6earing points and under ull perpendicolar braced �'I. u minimum radius of 0.01 inch(0.25 mm). _ �� N
<br /> 1 The contractor shall be responsible for determining the exact location of all anchor bolts,holddown anchors or siraps,and wall panels per mnnufaciurer's recommendations. ', 2 Nandrail ussemblies&gunrds must be able to resist a single concentrated load of 200 pounds,applied in any direction � �(/') 3
<br /> embeds,prior to placement of concrete andj or installation of siructural framing members and shall verify all dimensions on the 3 R502.8.2 Cuts,notches ancl holes bored in irusses, sirudural composite lumber, siructural glue-laminated mem6ers or ��'�, a+any point alony ihe top,and hnve attachmeni devices supporiing structure to transfer this loading to siruUural elements ` � -
<br /> floor plan. I-joisis are prohibited except where permitted by the manufacturer's recommendations or where ihe effects of soch �',, of ihe building per TABLE R301.5. _ � 7� �
<br /> alterarions are s ecificall considered in the desi n of the member b a re istered desi n rofessional. '�. 3 Handraiis for stairwa s shull be continuous for the full len th of the fli ht,from a oint directl above the to riser of the � v $
<br /> 1 R403.1 All foundations shall bear on finn,undisturbed soil;or on engineered fill compacted to 90°6 relative density. p Y 9 Y 9 9 P ,., Y 9 9 P Y P _
<br /> 7 R403.1.1 Minimum size.Minimwn sizes for concrete and masonry footings shall be as set forth in Table R403.1 and Figure 'i flighT to a point directly above the lowest riser of the flight.Handrail ends shall be returned or shall terminate in newel �
<br /> R403.1 (1). The footing widih,"W",shall be based on ffie load-bearing value of ihe soil in accordance with Toble R401.4.7. GLULAMS AND ENGWEERED LUMBER: '��.. posis or safety terminals.Handrails adjaceni to a wall shnll have a space of not less than 11 j2 inch (38 mm) 6etween =
<br /> Spread foofings shall be at least 6 inches(152 mmj in thickness,"T". Footing projections,"P",shall be at least 2 inches(51 mm) 1 R502.1.5 Strodural glued laminated fimbers. Glued Inminated timbers shall be manufactured nnd identified as required �'�, the wall and the handrails. -
<br /> and shall not exceed ihe ihickness of ihe footing. in ANSIIAI7C A190.1 and ASTM D 3737. Manufacturer to provide an AITC certifimte of compliance for alI glulam beams. ''�, 1 R31 2 Guards Por Stairs. Guards on the open sides of stnirs shall have a height not less than 34 inches (864 mm;
<br /> 2 R403.1.3.1 Foundations wRh sfem walls.Foundations with stem wails shall have insfalled a minimum of one No.4 bar within 12 2 R317.1.5 Exposed glued-laminated timbers. The portions of ylued-laminated timbers that fonn the structural ''��.. measured vertically from a line mnnecting the leading edyes of ihe treads.Required guards shall not have openings from o
<br /> inches(305 nvn)of ihe top of Nie wall and one NoA bar located 3 inches(76 mm}to 4 inches(102 mm)from the bottom of die supports of a building or other structure and are exposed to weather and not properly protected by a roof,eave or �'�, ihe walking wrface to the required guard height which allow passage of a sphere 4 3;8 inches in diameter. � O o
<br /> footing. similar covering shall be pressure treated with preservative, or be manufactured from naturaily durable or ����. 2 R31 2 Guards. Guards shall be located along opemsided walking sorfaces,induding stairs,rainps and Inndings,that - � r o
<br /> 3 R403.1.3.2 Slabs-on-ground wi}h tumed-down foolings. Slabs on ground with turned down footings shall have a minimum of p�eservative-treated wood. . are located more than 30 inches j762 mm)measured verticully to the floor or grade below at any point within 36 inches - r�a o
<br /> one No.4 6ar at the top and ihe bottom of the footing. (91 4 mm) horizontally to ihe edge of ihe open side. Required guards at open-sided walking surfaces,induding W T o 3 n
<br /> 4 R403.1.4 Minimum depih. All exterior footings shall be placed at leasi 12 inches(305 mmj below ihe undisturbed ground PREFABRICAiED TRUSSES: stairs,porches,balconies or landings,shall be not less than 42 inches (1067 mm) high measured vertically above the = � s u _n
<br /> surface.Where applimble,ihe depth of footings shall also conform to Sections R403.1.4.1 ffirough R403.1.4.2. (Designed und Engineered by others.) adjacent walking surface,adjacent fixed seating or the line connecting Nie leading edges of ihe treads.Required guards _ � � m o
<br /> S R403.1.5 Slope.The top surface of footings shall be level.The bottom wrface of footingz shall not have a slope exceeding one " �
<br /> 1 R502.1 1 Wood Trusses. Wood trusses shall be designed in accordunce with approved engineering practice and shall be shall not huve openings from ttie walking surface to the reyuired guard heighi which allow passage of a sphere 4 inches O vei > Z
<br /> unit vertiml in 10 units horizontal(10`-a slope).Footings shall be stepped where it is necessary. prepured by a registered design professional. Trusses shall be braced to prevent rotation and provide IatercJ stability. (102 mm)in diameter. Z W a
<br /> b R403.1.6 Foundation anchorage. Wood sole plates and all wood sill plates shall be anchored to ihe foundaTion with anchor a
<br /> Truss members and componenis shall not be wt,notched,spliced or otherwise altered in any way without the upproval of a - �
<br /> bolts spaced a maximum of 6 feet(1829 mm)on center and bwted wiihin 1 2 inches;305 mmj of ihe ends of each plate.Bolts �egistered design professionu�.
<br /> shall 6e at least 1:'2 inth�127 mmj in diometer and shall extend a minimum of 7 inches(178 mm)into wncrete or grouted celis Truss design drawings,prepared in compliance with Section R502.1 t.l,shall be submitted to the building official and SAPETY,SECURITY,&EGRE55: - O
<br /> of concrete masonry units.(Unless shear wall schedule notez otherwise.j � roved rior to instnllation and shall be rovided with ihe shi ment of irusses delivered to ihe'ob site. 1.R807.1 Attic access. The rou h-framed o enin shall noi be less ihan 22 inches b 30 inches 559 mm b 762 mm'and = �
<br /> 7 R602.1 7 Wall anchorage(D°,D' and D'). Plate washers,a minimum of 0.229 inch by 3 inches by 3 inches in size,shall be PP P P P � y P g Y � Y )
<br /> provided between ihe foundation sili plate and the nut except where approved anchor siraps are used.The hole in the plate shall be located in a haliway or other readily accessible location. When the access is located in a ceiling, minimum _ u Y
<br /> washer is permitted to be diagonally siotted with a widtli of up to 3%16 inch(5 mm) larger ihan the bolt diameter and a VENTILATION REQUIREMENTS: unobstructed headroom in the attic space shall be 30 inches(762 mm)at some point above the access measured verticaliy = = V
<br /> slot length not to exceed 1 3;4 inches(44 mm), provided a standard cut washer is placed berNeen the plate washer and the � R408.1 Crawlspace Ventilafion. The under-floor space between the bottom of 1he floor joists and the earth under any _ from the bottom of ceiling framing members.but uttic access shall be larye enough to service or replace equipment per _ Q/ W
<br /> nut. building(except space occupied by a busementj shall have ventilation openings through foundation walls or exterior walis. �� CMC 305. � �
<br /> 8 R404.1.4.2 Concrete foundation walls.Wall height shall not exceed 8 feet(2438 mm).Unbalanced 6ackfill height shall not The minimum net areu of ventilation openings shall not be less ihan 1 square foot(0.0929 m'-)for each 150 square feet '. 2.R31 1.3.1 Ploor elevations at the reqoired egress doors. Lundings or floors at the reyuired eyress door shall not be N Q
<br /> ex[eed 4 feet(1219 mmJ.Minimum Yhicknes5 For plaim m�crete foundation walls shall be 7.5 inches(191 mm)except that 6 (�4 m�)of under-floor space area,unless the ground surface is covered by a Qass 1 vapor retarder matericJ. When a � more than 1 1;2 inches (38 mm) lower than the top of the threshold,(OR)not more than 73j4 inches (196 mm) o Z W
<br /> inches(152 mm)is permitted where the maximum wall height is 4 feet,6 inchez(1 372 mm�. Class 1 �apor retarder maferial is used,the minimum net area of ventilation openings shall not be less thnn 1 square fooi '�, below the top of ihe ihreshold provided ihe door does not swing over ihe Ianding or flooc _ O N
<br /> 7 All foundation walis shall be designed to support the weight of ihe full hydrostatic pressure o{undrained backfill unless a (0.0929 m�)for each 1,500 square feet(140 m'-)of under-floor space areu.One such ventilating opening shall be within '��, �u � O
<br /> drainage sysiem is installed in accordance with R404.4. '�, 3 feet(914 mm)of each comer of the buiiding.Ventilation shall consist of: '��, MOISTURE PROTECTION: � a
<br /> ''�. 1. Perforuted sheei metal plates not less ihan 0.070 inch(1.8 mm)ffiick. �, 1 R703.8 Plashing.Approved corrosion-resisinnt flashing shall be applied shingle-fashian in a manner to prevent , - w O
<br /> ROUGH FRAMING: I� 2. Expanded sheet metal plates not less ihan 0.047 inch(1.2 mm)ihick. � entry of water into the wall mvity or peneiration of water to the building structural framiny components. _ �;
<br /> 1 The coniracfor shall install sufficient strucnral sheathin or bracin to rovide ade uate stabilit to the siructure durin 3. Cust-iron rill or ratin i 2 R903.2.1 Plashing Locations.Rashinys shall be installed at wall und roof intersettions,wherever there is a change in = _ � �
<br /> 9 9 P q Y 9 I 9 9 9� - a
<br /> construction. All flush frame joisis shall seat in a SimpsonOO hanger per plan,un�ess noted otherwise. �, 4. Exiruded load-bearing brick venis. �� roof slope or direction and uround roof openings. Where flnshing is of inetal,the metal shall be corrosion resistant with __ � a
<br /> 2 R602.1 Identificafioa Load-bearing dimension lumber for studs,plates and headers shail be idenfified by a grade mark of a '�, 5. Hardware doih of 0.035 inch(0.89 mm)wire or heavier. '���, a ihickness of not less ihnn 0.01 9 inch (0.5 mm)(No. 26 galvnnized sheet). (1)Exterior window and door openings. _
<br /> lomber grading or inspection agency ihat has been approved by an accreditation body that complies with DOG PS 20. '�.. 6. Corrosion-resisiant wire meeh,widi the least dimension being 1 j 1 6 inch(3.2 mm)Thick. I Flashing at exterior window o�,d door openings shall extend to the surface of die exterior wall finish or to the wuter- -
<br /> 3 Bolt heads and nuts against wood shall bear against 3;'16°x 2°square steel washers,unless epecial washers are mlled for on ', Q. R806.1 Aftic Ventilation. Enclosed uttics and enclosed rafter spaces formed where ceilings are applied direcdy to �� resistive barrier for subseGuent drainage. (2)At the intersection of chimneys or other masonry construction with frame or _ � = `
<br /> the plans or details. Imrnediafely prior fo lafhing,oll bolts ond lags throughout the struclure shall be tightened. � ihe underside of roof rafters shall have cross ventilation for each separnte space by ventilating openings protected I, stucto walls,wiih proiecting lips on both sides under stucco copings. (3) Under und at ihe ends of masonry,wood or � a� ;
<br /> 1 lag svews shall be turned,noi driven,into pre-drilled holes of 2j3 the shank diameter. against ihe entrance of rain or snow.Ventilation openings shall have a least dimension of 1/16 inch(1.6 mm)minimwn and �'�.. metal copings and sills. (4J Coniinuously above all projeUiny wood irim. (5j Where exierior porches,decks or stuirs � , n
<br /> 2 Whzre plumbing,heating,framing members,or oiher materials installed require ihe coriing of the double platzz,a Simpson �:4 inch(6.4 mm)maximum.Ventilation openings having a leust dimeneion larger than 1!4 inch(6.4 mm)shull be provided '��,. attach to u wull or floor assembly of wood-frame mnsirudion.(6)At wull and roof intersections. (7)Ai built-in gutters. � 3 � � ;
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<br /> T -2A tra shall 6e fastened to each side of ihe to lates. ��� r i . 1 rwi II w in ti n R 7 . r ti n R 1 . f m lastic shall be se aruted � � - � �
<br /> LS A s p p p with wrrosion-resistant wire cloth screening, hardware cloth,or similar material with openings having a least dimension of �, 3 R316.4 Thermal ba r er Un ess othe se a o ed Sec o 3 6 5 o Sec o 3 6 6, oa p p ` '� - ; �
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<br /> t i 1 i r n n r'n w I I r t - t r r II I to the floor framin . n w I r r n
<br /> 3 Qne floor joist shall be added a all n er o o bea i g a Is onge han b'0"itia a e pa a e 9 1-1 6 inch (1.6 mm) ininiinum and 1 i 4 inch (6.4 mm) maximum. Openings in roof fraining members shall confonn to the I froin the interior of a building by an approvecl thermai barrier of minimwn 1 i"2 inch(1 27 mm)gypsm al boa d o a z � � a� �
<br /> 1 R317.1 Sill plates. Wood siding,sheathing and wall framing on the exterior of a building having a dearance of less ihan 6 requiremenis of Seciion R802.7. I approved finish material equivalent to a Hiermal barrier material that will limit die average temperature rise of ihe = ' ' o � 3 ;
<br /> inches(152 nvn)from the ground or less ihan 2 inches(51 mmi measured vertimlly from concrete steps,porch slabs,patio zlabs, ��, unexposed surface to no more thun 250'F(139`C}ufrer 15 minutes of fire exposure complying with ihe ASTM E 119 or - ,'-, �3 '
<br /> _ o = � � i
<br /> and similar horizontal surfaces exposed to the weather shall be preservptive treated. '�.. UL 263 standard time temperature wrve.The thermal barrier shull be insialled in such a manner ihat it will remain in - �. � � z � .,
<br /> 2 Cutting and Boring of wood siructural mem6ers: ', place for 15 minutes based on NFPA 286 wiih ihe acceptance criteria of Section R302.9.4,FM4880,UL 10400rUL a' � ' � , ?
<br /> R502.8 Drilling and notching floor framing. Structural floor members shali not be cut, bored or notched in excess of ihe �� 1715.3. Shower walls must 6e finished with a hard,non-absorbent surface to a height of not less ihan 70��above ihe _ � .� >� �,�
<br /> limitations specified in this section.See Figure R502.8. ', - � � �'^
<br /> R602.6 Drilling and notching stods.Drilling and notching of studs shall be in accordance with FIGURE R602.3�1�and FIGURE � drain inlet. _ ` _ � a o
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<br /> R7h0Use iwo(2J irimmers at each end of each beam and header over 6�-0°long,and one(1 J irimmer at each end less ihan 6'-0" �. `$pecific nofes on the plans supersede the general code requirements mentioned he�e. _ �' o, 3 � `g �`a
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<br /> long,unless noted otherwise. ��� = � � � � _ � \y
<br /> t Balloon frame studs to truss bottom chord or full height at exterior walls where sloping ceilings occur unless noted oiherwlse. ��� ? z :� 'c \
<br /> 2 R502.3.2 Top plate.All studs to have double top plates of ihe same dimension as ihe studs. Plafes to be lapped a minimum of ���, - Z > o`= � �
<br /> 48"between splices and shall be tonnecied together with o minimum of(1 2)16d nails unless noted otherwise.(R602.10.1.5! ' F b 3 y a'
<br /> 3 All wood in contact with concrete shall 6e pressure treated unless otherwise specified on ihe plans tor nominal sizes below: - s � 3 �a'
<br /> � c
<br /> �(a)Studs - - � No.2 or better ,., � � o .c
<br /> � � �;(b)Beams,headers and posis No.2 or better � . ��,, o v � c^ '
<br /> � � o �
<br /> 3 j
<br /> (i)2"thru 4°ihick,5"and wider (No.2 or better ' ' �
<br /> (ii)5"and thicker iNo.1 or better _ IssuE oArE:
<br /> .!�)2x rafters and joist � No.2 or better - a��'20��
<br /> (i)2"thru 4"thick,S"and wider No.2 or bercer - CHeCKeo ev:
<br /> ...__ ___---- -__.
<br /> � , (ii)5"and thicker No.1 or better -
<br /> i All posts&trimmers supporting readion loads of 3,000 Ibs.or greater shall be supported by solid squash PeO1eCT�i0.:
<br /> �blocking to H�e sill plate.
<br /> �Plywood sheaihing be continuous around exterior of siructure shall conform to PS 1-83. Maximum uniframe holes APN:
<br /> - i m sheathing shall be 3'�in diametec See plans for roof,floor,and braced wall sheathing and nailing. 00377500001000
<br /> i Nailing SChedule.TABLE R602.3(1). � $HEET NUMBER: `��--,
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<br /> - r 68, ,
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