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20061113152032.pdf11/13/2006 12:04 FAX rl G?s7-ID FA, Dylan Construction & Associates, Inc- 13000 nc13000 Beverly Park -Edmonds Road- Suite L Mukilteo, WA 98275 Off. (425) 353-5556 Fax: (425) 353-2456 FAX TRANSMITTAL Date: 11/13/06 To: Ann Bullis Co.: City of Edmonds 16001/002 A- LA S �?�Ou2 �� ltd► r�, /cc AF -.5 #I Re: Harbour Building- Corridor fire assembly Pages-, (2) Fax #. 425.771-0221 Comments: Ms. Bullis, Here are the specs for the grid in relation to construction type. Please note that the match reflects the construction type for the top floor. The ratings for lower floors actually increases or remains the same due to the combination of the concrete floor with the same grid type. This will be classified with a different UL. Thanks again for all your time and efforts and let me know if this works. Sincerely, Dominic Parise U '2 ! acz vL -2De Fn� Rmr- -c.&! L-4 4C s 11/13/2006 12:04 FAX FROM : ACS INC. PHONE NO. : 2067E0550 M"MVM MMIMUM InnX.Mum P"121. Oil PANG Flxtvaa nuoT UL DCJGIM CONCIFFM T16G atXa of.0.w sa.C9."kW�aMcTMT1ON awe OECx Po%6TtWC'nc11 YTP6 NUmewq 7elalclrQRe1 Typd VIII&KNESS rn•, lee Ne 60)Tea N'y sY6YPatrel 2.4 mg- EKp Ncd GrU G243 (220-21' 2.1/2' 2a%, ae'; P 24' x 211.1 P Sig-qii 16' 676 1.719 i unirmned Max... 901,z 60"; P etades or oth■r bullding 1•HaLr- daGw LODE [9-7) NA 628s f21-2) 2-12' Non Non6 1,2 safety rentt)rerreats. 24' X 4"; P _ a/8' NA 12' 9 12'; Of WP 814' 0M 24• x 24'; P of b REMINCE715i Cop a"o 2-1R' SO' x Seri P or PC 6• xf10'iDorPC x 4g'; P or PC 5/A 20 113 1,2 1. UL tests rate an entire 1•Hour- Exr*OW and L --O9 (30.1) NA 24.xZd;P D/8• 16 • _ 1, R 414.• flour- CenLWled Grid GD27 (7-112) 2' 12' K 12': OF Or P 3%q" 7) ve 25---�, S76 4�` 1, 2. y 6029 (21-11/A 2` 26' K 24': 6F Or P 3/1^ (11) or s/s 25 6'm a 1•HOur-@xG009Q Ctt0 ta'261 IA7.7) 7' 211• x 110'; P 26' x 2A,: P 618' None None 1,2 11002/002 Nov. 13 2006 04:36AM P2 WHAT YOU NEED TO KNOW TO USE THIS CHART Ifyou are unfamiliar with UL Fire Reslstanee Piat'rngs, begin with a review of meeting Coda Requirements. pips. 42-43. As caplairied TWO. 11`1040 milrlp aro applied to certain 4ypes of roof/ Celllilg and fl66r1eAlJJngB canstmctlon eseembllee. which ala tested and WOOD OrCK!r-OU NC ASICEMBLIGSasslgnod P2M 2•V2' lain so 24' x 49,� P Sig-qii 2.1 hour l r rat riga fnanO110d by bulwlra D6LM UPP%yWC 60 (OR PLYYfl). a x 10 WOOD JOISTZ9 i unirmned Max... 211^ x Qd': 41111 = x fin': P etades or oth■r bullding 1•HaLr- daGw LODE [9-7) NA 12" x 12'; P 3/d- or SB' None None 4 safety rentt)rerreats. 2/t Lai" NA 12' 9 12'; Of WP 814' 0M IA of b REMINCE715i Cop 12' X'24': Of or P Val (F'1 1. UL tests rate an entire 1•Hour- Exr*OW and L --O9 (30.1) NA 24• K 1S•: P D/8• 16 110 1, R assembly, No Ceiling or grid product alone Lx10 [tss.+} NA Z4' K 4a^ r 5m, 24 227 1, 2. y constlwrwh afire rated 211• x 211'; P assembly. DdL OL r-PLVUJOOD D), 3 x fl vV000 J095rm P. Y8L Can uee enly Nee 1•t!2•Hplr- F�oead Ono 6,ZOa (8-+i/dj Na ;?6' x 46^, P VPC 518' Noe None f, 2 spe-ific type, size and minimum thickness of Fire Quard ceilings or ppp MQL P40 A"rMiaLics geld IdenitHetl in each assembly STAN=411 t BFAAA EGPOSM METAL. ROOF � "� 3. Thi/ ladle ie a Quidt 1-12+ I -HOLT- P286- Seo Design 24' x 48"; P Cr PC 3/c' (PI 211 S7B 4 (See UL Fire litlsistsnea gpoad ea aewnc 24' x 24"; P or PC 513' PC) Directs for eomplcls PM=C0N0Ft15M PLANK design detail~), To smmr- Cavw:;t Wd PODS piO4-M 2" 12' x IY1 Wr- or P 8+4' Nona Nor r. d urchase a copy of the UL Directory; rfnvCtCLKr x-mu64TIN = A CORRU1.11CATCO OC)OK Underwriters 2.lbur- E posed Grid P216 (AC24-7) 2- 24'x 118': PC plus 5B' PC 0- 16 37 1,2 LebDmilarseel InC, Publications Stock P219 2' 26' x da" :um 6d, 24'x40.PCplue 1/2' cmvrn 56. S,4yPCPfue 1s 87 1,8 333PfingmenRd. Norbrook, IL 6062 24'x48•; m su. t2• .vm oa. (r61.j 847-272-98Dd, P251 2 -VA, Min 7.a' 1 48': P or PC SB' ar PG) 2a b76 1•,2, S ext. x2612 or G2622 00 6314 ^ 7fi" x Ra'; BF. P, or PC 9la'P) 2t1' x GO'; P or PC I(EY TO PANEL AND 1.12-lieu~-0�o3e0Cr1C P231 24.'rr46%24'x2A`, P Sib' 26 255 4 2 TILE TYPES S 1 -Hew- avow arta P276 fftC79-= = 2' 26' x a9'; P file' 16 87 1- a PC m CEPAMAGUARD OR tl'66ilLKilGtV Oi+S ILUtSdG MErl+1. PIOOF DECD 6P r kR(7U6 prig AONMAI.-F180% GL ASS-pJO-, CpMP03WM RUOF P A tel h%Sv A, 1naa+o� -' -_ Reeproducts designatedll Fire 1-V244. r- sed Grid PIM 1' Mtn 14 24" x 4'v': P or PC 519•' Z6 255 1.2 QU/rtl t- this Gverd! Unlimhed Max Va" K eo•i P or PC .us fixiu>,2 'Allows flat -board Fixluro P'2.eif 1' Mite to 2.1' x Q-; P or PC 3/11^ (p) 211 11,2 praisafipn Unllmlted Wish •' Concrete plus Ineulmllon P23O'••• t- Mtn to 24' K 19'i P or PC VA- P) .2A 11S t Ihickn@SS Untirntred Max 24' x 24•; P or Po n/6" "• Planl(plos insulation 1 -HW- Exposed Ladd P+,Ld (A016.1) 1' min a MSK 24" x a8': P 5B" 1s 113 + Z thicKness 10 Ca -1 1- Min & Ma 2a- x Ce'; PC fter 16 57 1, a •'•• Square edge ceiling P.'71 (RCa-1) I- Mn ie 2:1 Max 2A, A do-: Po &a' 16 57 1.2 P.9neln Only P229 1' Min 10 26' x 411'; P or PC s/t)' IP or PFJ) or 24 57r. 11213 KEY TO GRID Unllmilod Max 24'x24'1 6F_ P of1?C Sib' ISFl SYSTEM TYPES 2D" x e0'; P Gr' PC 1 =APC! and FST BG - P2z7 1' Min to P PC 2x' x 4 W 5rb' 211 265 1 2 ,E'; PRELUDE F+ta Guard . U nilindsad Mstl 24' x;a'• P or PCO and XL Fire Guard P*Mo-- t' Min W 24" x 46'; P Or PC a/4• Za 576 1 with steel cep A UNlmlted Max 24' x 241; P or PC 5B" Cj g , AFG-e4 and FST 6W6A - STOJCTURAL CEMENT/WOOP4W011111i6 PLANK ft"K TbOCK I= - PRELUDE PLUS Fa. GuDrd and XL Fire 1.1/2-Fiour- 6rp=ed Grid P2M 2•V2' lain so 24' x 49,� P Sig-qii 2.1 266 1, 2, 3 IlLeard ur1t1 Oluminurn cap i unirmned Max... 211^ x Qd': 41111 = x fin': P ,1/a' (8Fj 9 = PSLK - 81.1PRAFINE 14bur-& zomd OAd 1.Z 3 Fire Gu3M w1m Steel 11,202 2-'1/2' tart to 24' x 46'; P or PC 5/il"�P or PC) 2/t 576 !, Unlirnted Ma'r- 24' x 2pp 9F. P or PC 'VA (BF) Cop 20• >< 60'; P Or PC a =Cono/alod Su2ponsian e... r...., e...,.- r1...1-.. 1 PpU -FS) QVIGUM C0NC*1EM CVFfi 1:2' GfPSUM FORMBOARD y.•• " v..+' ••o..yr vort�c,.loa� Dat.tils in UL DlrmW ~ 7-1/�-Flap•-f'�'Dedee G+rd v3t7 0+'�14� 7- 2d' x 60': P ET ltl 268 11, 2 i- }f/V (IN1r,►g reD M;Qr MAIr.P.AIG ASSEI.151-1) ti'- .teu�wT.e•smeram i•Hat- ExOor�sd CrIQ IC1 C/rnda unitdmited Mill 2a' x Z4'to 124' x : or r PC 24 255 1, 2 #MDTI: Kun6ela k pnrelrUNN ar. erlglrul 11Lt tlnfgn nr.r�o.z ; some ens cuss ere.* Worn, a."bio re lwr.=rd rmm= L M0111e01arD INOW. AwPionm ciao: 19 2464 FIRE RESISTANCE DIRECTORY 4 FIRE..FIESISTANCE=••RATINGS'= ANSIfUL 263 (BXUV) 'D Nb. P206 Restrained Assembly 14019 Unrestrained Assembly Bating -'314 Hr. Unrestrained Beam Rating- i lir. -- Ream:W6x12, min size.: 1. Roof Covering* Consisting of hot mopped or cold'.application mate- rials compatiblewitli insulation(s).described herein which provide ....,Class A, B or C covermgs. S*e. Roofing Materials- and Systems oxectoryrRoof Covermg.Ma.,terials(TEVT). 2., :Sheatl►ing Material* . Optional. 0.604 in. thick vinyl vapor barrier applied with adhesive to steel roof deck, overlapped approx 2 in. on sides. BMCA INSULATION PRODUCTS INC 3 _ Adhesive* - To be used with board insulation. Applied at rate of 0.4 gal/'100 sq ft in 1/27m wide ribbons, approx 6 in; OC beneath each layer of board. BMCA INSULATION PRODUCTS INC 4. Mineral and Fiber Boards* Total thickness of I in.. to be applied with adhesive to vaporbarrier or steel. roof deck if vapor.barrier is not used. IIMCA INSULATION PRODUCTS INC-Permalite. GAF MATERIALS. CORP,--GAFIEMP Perlite. (]HNS;NIANVILLE INTERNATIONAL INC -Square edge boards." 5. Steel Roof Deck- Fluted 26'MSG min gals steel, horn 7/$ in. deep and 25 in, overallwidths.` Flutes 4 in. OC: Attached to the joists with 1/2 in, puddle welds, through welding; washers, 12 in. CC. Any Manufacturer - Fluted type roof deck having across section similar to the above illustration. . 6- Steel joists- Type 8J2 min size;,spaced 48 in. OC, welded to end sup Torts. T.The 1/2 in- diam steel bars welded to top and bottom chords of each joist 1 S. HangeGWire � No. 2 SWG-gale steel wire, spaced not over 48 in.OC along main runners; and to occur additionally 'at'splices in chain .runners, at the intersection:of grid suspension members at all four cor- ners of the light fixtures, at centers of cross tees immediately adjacent to the long -dimensions of the tight fixtures, andat centers of cross tees adjacent10 air. duct outlets: The hanger wires shall be attached to the lower chord of the metalbiz joists,or to cold -rolled channels attached to the bar joists. 9. Cold Rolled Channels - No. 16 MSG cold -rolled steel, 1-1 /2 -in. deep - channels. placed. under air duct and'supported by hanger wires at each end;: spaced riot over'48 in. OC andat air outlets to support the air ducts: 10. Air Ducts - Galy steel 22, gauge mm thick steel. Total area of duct openings not to exceed 113 sq in. per each 100 sq ft of ceilnig area. Area of individual duct opening not to'exceed 113 sq in Max dirrien- sion of opening 12 in- As an alternate to the galv steel duet; air ducts' fabricated from rigid Air DuctMaterial* may be used in lieu of steel ducts. The,total area of duct openings not to exceed 113 sq iii: per each 100 sq ft° of'ceiling area, Area -.of individual:duct.opening.not to exceed 113 sq in: Max dimensioniof'opening 12 in. The sheet steel take -off or throat is positioned atithe center'of a 24 in. long, 22 MSG sheet steel duct liner. The sheet sfeel take -off is insulated with a nominal 1'in-. thick, 5 pcf density rigid round lass fiber material. The ducts are sup- ported by 16 MSG-1-1/2'in. cold-rolledcsteel channels, suspended from the joists with 12 SWG gals hanger wire. Channels are located directly below the sheet steel ducNiner, one on each side of the" duct drop; and are spaced between duct drops at '72 in. OC -for ducts up to 36 in- wide and 48 in. OC'for ducts between 36 and -,60 -in. wide. JOHNS MANVILLE INTERNATIONAL INC -Rigid,-Class L KNAUF FIBER GLASS GMBH -Rigid; Class 1. OWENS-CORNING FIBERGLAS .CORP -L -Rigid, Class 1. 1.1. Damper= Min 0-045 iii. -thick (18 gauge) gals steel. Protected on -both surfaces with 1/16 in. ceramic fiber paper and held open with a Fus- ible Link (Bearing the UL Listing Mark). Damper to overlap duct out- let 1 in. mm. 12. Steel Framing Members* - Main runners 12 ft. long, spaced 48 in. FIRE RESISTANCE RATINGS. ANSINL 263 (BXU1l) OC: Cross tees; nom 48 in. long .installed perpendicularto main run- ners. 24 in. OC ARMSTRONG' WORLD'INDUSTRIES INC -Types AFG, AFG_A ,-Type GLBP (consisting of. niain•runners 4 ft;cross tees and steel straps) for use with 24 by.48: in. Type Play -in -panels BPB AMERICA INC -Types PAC, PCH; PCS CHICAGO METALLIC CORK 'TyPes250i 260; 1250, 1260;1850, 1860.. .., , 12A. Steel Framing Members* Mai runners riom 10 or 124t. ' spaced 4 ft OC. Cross tees,:nom 4 ft,long, installed perpendicular to the main runners.2 ft;OC. Border-panels_suppacted at e:v�alls by mm. 0.016 in. thick painted steel ,ane:with- 7/8"iri..legs orxruri 4076th. thick painted.steel charnel wi a 7_ by 1 9/I6,by'%in. profile, CG INTERIORS„DIV OF CGC INC. -Types DXL, DXL4 SDXL. SDXL. USG INTERIORS INC -Types bXL, DXLZ, . 13. FixturesF 1Zecessed Light - (Bearing. the UL Listirig Mark) Fluorescent . lamp type, steel housing; 2 by 4 €t size Fixtures spaced so their area , does not exceed I6'sq.ft per 106 sq'ft bf ceiling area. Wired in conform- ance with the National. Bl"ectrrcal Code. 14. Fixture Protection = A.. oustical ]Material* - Same as Item 15. Cut into pieces to form a five sided enclosure, rectangular in cross-section; approx 1/2 in. longer and wider than the fixture with sufficient. depth to -provide at least 1/2.in-clearance between the -top of the fixtiuv`and the enclosure. The pieces are held together by 8d nails spaced >12 m i. O.C. The top of4he box may be fabricated from two 11-7/8 in. wide ". pieces positioned. such that a 1 in. wide slot•is provided along the een- ter line, or from one 23-3/4 inwide .piece.' 15. Acoustical Material* - Nom 24. by 4$ in. nonventilatinlay in panels. . steel' Border panels. supported m by m 0.016 in thick26 MSG .... ( �.painted angle with I in.: legs, or min 0.016 in. thick (26,MSG) painted steel'• channel, 1-5/8 in. deep with 1 in. bottom flange and ?/4an• tap flange• (S)=surface.perforatons. ARMSTRONG WORLD INDUSTRIES INC -Type 5/8 in 'P. Type P (S) 15 mm thick 600x1200 mm These metric. size panels may:, only be used with metric ,size grid described under item 12A. Hold -Down Clips- (Not illustrated) -_N4..22 MSG spring steeTTl in. deep, 1-1/4 in, wide, placed over cross tees, symmetrically 2 ft;aC. *Bearing the UL Classification_ Mark Design No. P247 Restrained Assembly Ratings =1 and 1-4/2 Hi. {See Item 4 Unrestrained Assembly Ratipgs•---1'and 1-1/2 Hr. (See Item 9) Unrestrained Beam Ratings -1 and 1-112 Hr. (See Item 9) 4 3 4 3 6:.-- - - -- 6 Y T �L a b5re Beam -'S7" x 15.3, nein size. 1. Roof Covering* Consisting of hot mopped or coldapplication mate- rials compatible with insulation(&) described herein wluclr provide Class A B or C coverings. See Roofing Materials and Systems Directory -Roof Covering Materials(TEV'T'): 2. Gypsum Concrete - 500 psi compressive strep h. Dry gypsum mix" tune containing not more than 5 percent by weig t of wood clops: Con- crete to be approx 52 lb per cu ft air dry density. , 2A. Laminated Gypsum Planks - Building Unify*" - (Mot shown) - As an alternate to item 2, nom 10 ft by 2 ft by 2 in. thick 'sur planks- Planks placed parallel to and between sub -purlins (Item ), without attachment, with end' ints in adjacent rows staggered. 2B. Grout - (Not shownD-- Used to seal the`gypsum plank joints, con- sisting of gypsum concrete and water 3' Welded Wire Fabric- For use with gypsum concrefe,'4x8 -12/14 SWG. Wire fabric laid with 12 SWG (4 in. OC) wires placed pen- dicularly over sub purlins; fabric also overlapped 4' in -'along sides of adjacent sections. The following alternate wire fabric may.be used; 19 SWG gale steel wire twisted into hexagons with 21n. sides; interwoven withstrait 16 SWG gah, steel wire -spaced 3 in. OC; mesh overlapped 6 in. at si es. 4. Form Board - 1/2 in, thick gypsum form board norn 32 in. wide by 96 in. long- (Gypsum Board*). Form boards placed between sub - purlins, with end joints staggered in ad)courses ses. With laminated gypsum planks, nom 24 inwide form board use, at any thickness, is optional- CANADIAN ptionalCANADIAN GYPSUM COMPANY Type FB. UNITED STATES GYPSUM CO -=Type FB. LOOK FOR THE UL MARK ON PRODUCT 5. S' sl 1- si tE >V S p o: si 6: S si 7. B B. I 0 v ti s 9.S C a 9B. f z c f 9C. 1 t 1 9D. 2004: F{FIE,RESISTANCE DIRECTORY 242 FIRE RESISTANCE, RATINGS; - ANSIIUL263 (BXUV) .Design No. G241--.= . _ (See Item 5) 'Restrained Assembly Ratings' `1"and 1-1/2 Hr. Unrestrained- Assembly Ratings -1 and 1-112 Hr. I. I�Tormal Weight Concrete-' Siliceous or carrbbnate aggregate, 150 pc# i nit weight, 4000�psi compressive strength. ` 2: WeIdled' Wire fabric`=' 6x6 - W1'AM-4. 3. Metal Lath - 3/8 in. rib, 3A lb/sq yd expanded steel; tied to each Joist at every other'i'ib, and midway between joists: at si"Japs with 18 SWG gale steel wire. 4.: Steel Joists. -`Type 1OJ3;. min size; spaced 24 in. -0 C welded: toend supports.. Steel bars 112m: diam;, welded to top and bottom chord;of ealorstY.for bridging. . 5. Acoustical Material* Nom 24 by 24 or;48 in;:Iay m panels. When noM24.by 24in. Jay -in panels are used>q#w Restrained and Unre- strained Assembly Ratings are 1 Hr,. Border panels supported at walls by 0.016 iri.. thick (26. MSG) painted,s`,teel angle with 1 in. legs; or, fr n 0.016 in. thick (26 MSG) painted steel channel 15/8 ail. deep with 1/2 in, -top flange and.1" in. bottom`fiange, (S)=surface perforations. ARMSTRONG, WORLD INDUSUAS INC .",Type 1/2,5/8 or 3/4 in. Type P (S} 6 . Steel Framing Members* 1Vlam piumers nom 12 ft long; spaced 4 ft OC Cross'tees nom 4 ft longg 'installed pe'r�iendiculaz to main runners and spaced -2 ft OC: Wheri theXcesilingls coinposed of nom 24 by' in. lay=m panels,-crbss'teesnom 2 ft long,>instalEd perpendicular to 4 ft cross tees midwayy' between main rdrines: 'ARMSTRONG WORLD INDUSTRIES INC -----Types AFG; =:AFG-A Type,GLBP (consisting of.rnain runners 4:41 cross tees and steel straps) 'for. use with 24 by;48"by:5/8 or 3/4:in. •Type P lay -in panels: BPB AMIV RICA INC- Types PAC- PCH, PCS, --4,, CHICAGO METALLIC CORP -Types 250, 260, 1250, 1260, 1850, 1860;,Type 1250 cross tees (1242 and 1244) - 6A. Steel Framing M6nl ers* - Main runners 10: or 12 ft brig, spaced 4 ft OC Goss, tees- nom 4 ft long -installed pperpendicular.:Eo mainznin-;. ners spaced, ft OC When, nom 2 by 2 -J lay -in panels are used,. nom 2 spaced 4 ft'OC Border panels suppaiteii at , halls by milt. `0 016 m thick painted steel._angle Vith 7/8' in legs or'�n D 016 in thick painted steel chanii4wi&i l by'1-9/16 by lh fti p file CGC`INTERIORS ,'DIV OF CGC dNC -Types DXI , ;DXLA,, Det ZDXLZA, SDXL; SDXLA, ZXLA. USGJN`FERIORS INC -Types DXL,, DXLA DXLZy,DXLZA, . _ 5DXLf,; SDXLA, •ZXLA. 6B.;: Steel Framing Members*- MetaLpans-- "(Not shown) .(Optional) - Channel -shaped metal pans-in•various colors.and finishes, -installed ;perpendicular to cross teesinr main:ritnriers and spaced 4 or 6 -in. OC. The#lange;Qdges of the metal paris'.engage arid, interlock with the verti- cal tabs of the corresponding grid adapters with tabs 4 or. 6 in. OC. (See Item 613): End laps joints of tl etdietal pans. shall occur..edjacent to main'runners or cross tees. The,metal pans shall each be supported by at least two main. runners ox cross ' tees. : CHICAGO METALLIC CORP --Type 1650. 6C:. Steel Framing, Members* -:Grid 'adapter- (Not shown) (Optional) -For use with Type 1650 metal pans-. (See Item 6A): Angle shaped _adapter,with a looped retum.44nge; installed. parallel to cross tees or main runners by engaging retro flange of adapter to the flange ofthe cross tee orrnain runner: The 48 or 24: in. long adapters are intended for use with -cross tees -Air main runners, respectively. CHICAGO METALLIC CORP -Type, 1650, 6D. Steet.FramirigMembers* -:Filler strips,.- (Not shown) JOptional) For use with Type 1650 metal pans. Filler strips are 0.018• to 0.024 in. duck, steel or'aluminum,:13/3-2 or 5./8=in. deep by 3/4 in.: wide, placed between the metal pans. CHICAGO METALLIC CORP -Type 1650" 7. Hanger Wire- No. 12 SWG gale steel, spaced 48 in. OC along main LOOK FOR THE UL FIRE RESISTANCE:RATINGS='ANSVUL 263.(BXUVJ: 1 f n, 21 s 1- Normal -Weight Concrete Siliceous or carbonate aggregate 150 + Qr - 3 pcf unit weight, 4000 psi compressive strength 2. Metal Lath - 3/8 in. rib, 3.4 lb/sq yd expanded steel, tied to:each . joist at every. -Other rib, and midway between joists at side slap ;with 18-: SWG galv steel wire. 3.:Steel3Joists- :Type 10J3 nein:size; spaced 24 in. OC, weld¢d to end supports. u 4. Bridging. .,Steel.baz s, 1/2 nr:,diam. weldedlo top and b6ftbm chords of each joist_ 5.. Fixture.Protection Acoustical Material*- 5/.8 in. thi& cutinto- pieces to form a five sided enclosiire, rectangular in cross-section;. approx 1/2 in. longer. and wider than the fixture; with sufficient;depth e - to providat least 5/84h. clearancebetween the:fixture aiJ the enclo- sure. The pieces are held -together by 8d nails spaced 12.in. .O.C_ min. ARMSTRONG WORLD INDUSTRIESINC- Type5/8An,-P (S or P) 24X48 in. 6. Fixtures; Reeessecl:Light (Bearing the UL Listing Mark} Fluorescent lamp type, steel housing Zby 4 ft size. Fixtures spaced. sg their -area does not exceed`8 sq- ft per!100 sq ft of ceiling area. Wired in conf6im- - `ante iVith the National Electrical Code. Fixtures and ballasts mW be considered f6ijhese ambient temperature condiitionsl efori installation. 7. Hanger Wire - No. 12 SWG galy steel, spaced 4 ft O C. `along main runners. Also. located at ends of main run ners:where butted,agaixist walls, at the intersections nearest"ihe-main runner sphce,' at each corner of light fixtures, and adjacent to main runner splices., 8. Steel Framing Members* - Main Runners- Nom 12 ft long'spaced 4 ft OC. ARMSTRONG WORLD INOUSTR.IES INC -Types AFG, AFG'A. Type.'FST-6000; 400A,,80' -8000A. `l`y e`GLBP as described under Item 9.' BPB AMERICA INC----Types.PAC, PCH, PCS CHICAGO METALLIC -CORP_ . Types.250, 260, 12501260, 1850, 1864... 9. Steel Framing Members* - Cross Tees Nom 4 ft -long, spaced 24 in. OC, installed perpendicular to main runners_ Cross tees nom 2 ft long installed perpendicular to 4 ft cross tees, spaced 48 in. OC. ARMSTRONG. WORLD INDUSTRIES INC -`types AFG, AFG-A. Type GLBP (consisting of main runners, 4 ft cross tees and steel straps) for use with 24 by 48 in. Type P lay -impanels. BPB AMERICA INC Types PAC, PCH, PCS CHICAGO METALLIC CORP Types 250,260; 1250,.-1260, 1850, 1860, Type 1250 cross tees (1242 and 1244). 10. Hold -Down Clip - No. 24 MSG spring steel, placed over cross tees 2 ft OC. 11. Acoustical Material* -- Nom 24 by 24 or 28 in. lay -in panels. Border panels supported at walls by'25 MSG painted steel angles; 7/8 iii. legs. (S)=surface perf#prations, (P)=through perforations. ARMSTRONG WORLD INDUSTRIES INC -Type 5/8 in. P (S or P) 24 x 24 or 48 in., or 5/8 in. PC (S) 24 x 24 in. *Bearing the UL Classification Mark VIARK ON PRODUCT