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HomeMy WebLinkAboutB14-0224_A1-3_1415134560.pdf Plitt OF pot 4 ■ ic igt m .01 -EXTERIOR- -EXTERIOR- -EXTERIOR- = INTERIOR= CIP1.46. AI, EXISTING C.I.P. OR PRECAST \ - EXISTING C.I.P. OR PRECAST \ _ EXISTING C.I.P. OR PRECAST CONC_ WALL PANEL CONC_ WALL PANEL v GONG. WALL PANEL 0 1' 4"tA 5/8" TYPE X GYP. BD. 100) 1 iq u) ` 6" STEEL STUDS > I'-4" O.C. 1'-4" O.C.11-4" OG di 3-%" U.ON_ STEEL STUDS, iii 3-5i8" U.G.N. STEEL stubs, 11/04/14 W I-%" U.ON. STEEL STUDS, IY RE= PLAN RE= PLAN RE: PLAN r—� /a" TYPE X GYP. BD. I- 1 L 1 \ V L tom: ( .__ 7\ rillft— r-A I ] . z - INTERIOR- 4 I Q o\ . . _ _J \''' 5/a" PLYWOOD BACKING - INTERIO - di - INTERIOR= >ii - INTERIOR- FULL HT. di re w 5/s" T� PE X GYP. B . TYPE X GYP. BD. = 5/s" TYPE X GYP. BD. F + FRYE RCHITECT S WALL TYPE 9_ WALLWALL TYPE S-O WALL TYPE 1-O WALL TYPE "' -O San Francisco Office 9 1 1/2" = -0 1 1/2" = 1' 11/2" = 1'-0" 1 1/2" = 1' Tel: 415.392.4433 ..) Truckee Office Tel: 530.214.0899 - INTERIOR- Vail Office - INTERIOR- Tel: 970.949.0899 TAG ROOM ' ROOM NAME SIZE (LU x H) HARDWARE NOTES WEATHER SCREEN www.PierceFrye.com STRIPPINGinfo@PierceFrye.com 5/8" TYPE X GYP. BD. %" TYPE GYX P. BD. I' 4" OC MAIN LEVEL 35/8" STEEL STUDS 1 -4" 6" STEEL STUDS 01 003 DATA/COM 3'-0" x l'-0" KEYED PRIVACY YES - 5 02 002 ELEV. EQ. 31-0" x 7' 0" KEYED PRIVACY YES m MI /8 TYPE X GYP. BD. F _ %" PLYWOOD BACKING ,p 03 001 STOCK RM. 2'-4" x l'-0" PASSAGE - MIFULL HT, 04 005 RESTROOM 31-0" x T-0" PRIVACY 1,11 — — %" TYPE X GYP, BD. 05 006 RESTROOM STOR. 2'-6" x1'-0" KEYED PRIVACY = INfiE�IO�= - INTERIOR- 06 001 STOCK RM. 2'-6" x 1 -0" PASSAGE YES 01 00S ELECTRICAL RM. 3'-0" x 1 -0" KEYED PRIVACY YES - OS 009 MECHANCIAL RM. 3'-0" x 1 -0" KEYED PRIVACY YES - N. 09 EXIT STAIR 3'-0" x 7'-0" EGRESS YES - WALL TYPE 6,0 WALL TYPE 4Za) 07.(.. ..?..) " (tO 0 L 11 102 STOCK RM. 2'-0" x l -0" PASSAGE - - 1 1/2 = 1 -a 1 1/2" = 1'-0" 12 104 CHANGING RM. 3'-0" x 1 -0" PRIVACY - - (_) —0 — 13 105 RESTROOM 3'-0" x 1'-0" PRIVACY - INTERIOR- = CU a 21 201 OFFICE 3'-0" x 1 -0" KEYED PRIVACY et 5 22 202 COMPRESSOR RM. 3'-0" x 1 -0" KEYED PRIVACY YES - 1'-4" 5/8" TYPE X GYP_ BD. 23 203 MECH.ACCESS 3'-0" x 1'-0" KEYED PRIVACY YES - dr d 6" STEEL STUDS L 5/8" PLYWOOD BACKING I FULL HT. CDC) V I 5/8" TYPE X GYP_ BD. W 1 0 DOOR SCHEDULE - INTERIOR- N N.T.S. Colorado Code Consulting, LLC0 Combustible materials in Type I and II Const. 7121!2014 Combustible materials in Type I and II Const. 7/21/2014 WALL TYPE 3_0 1 1'Corporate Office Colorado Springs Frisco 1/2" = - II 11111114111, 4610 S Ulster, Ste. 150 1080 Mesa Road 152 Larson Lane placement of the commas and the word "or" is critical to arrive at the correct interpretation of Denver, CO 80237 Colorado Springs, CO PO Box 1259 the sentence. These partitions may be of FRTW, they may be one hour fire resistance rated Even a logical review of the items in Section 603 would say that item 1.1 would allow FRTW Issue Date: (303)400-6564 80904 Frisco, CO 80443 construction, or they may be of wood panels or similar light construction up to 6' in height. in any non-bearing partition with a 2 HR or less rating with undetermined height, but as soon q 4 Progress' Pr, iiiing Fax: (303)693-0630 (719)492-3990 (303)591-9258 as you are considering a non-rated wall in a store or office, it can only go 6' in height. Item 10 is not in conflict with item 1.1 and therefore there is not an issue with which is more Additionally, consider that item 6 allows wall and ceiling finishes (exposed to a room of A 10/0/014 iiiildinnPermit Revision specific and which one applies. They both apply. You can use FRTW in non-load bearing undetermined height) to be combustible provided they meet the flame spread rating, but as - INTERIOR_ interior partitions of any Type I or Type II building of any occupancy in any height wall you soon as you are in a store or office and you place them inside the wall behind the protecting like. When you are in a store or office, you can still use FRTW if you like. You can also use drywall, they are only allowed up to a height of 6'. That interpretation of the item shows the %" TYPE X GYP. BD. Mr. Frye fire resistant rated walls if you like. Cr, you can use cubicle furniture walls identified here as lack of logic used in the code and the unfortunate reading of the provision. I'-4" O.C. Principal "wood panels or similar light construction" as long as it is limited to a height of 6' 35/8" STEEL STUDS Piercer eArchitects YSummary: \ 30 West Benchmark Rd, Ste. 217 There are some very unfortunate conclusions in the 2009 IBC Commentary by the writer The code means exactly what it says and should be interpreted exactly the way the .- 5/8" PLYWOOD BACKING there due to the fact that they lost the origin and history of this portion of the code. Besides m MI FULL HT. Avon, CO 81620 grammar indicates: the 6' height refers specifically to the last two items in the sentence the fact that when they reference the " I 5/8" TYPE X GYP. BD. store partition" item under discussion they reference �; ;;_. ;;; .,—..__ where it follows the word "or" which is the wood panels or similar light construction that we the wrong item number and they also confuse the letters of FRTW, they have made a third see so often in cubicle office walls. It does not refer toprevious items listed in the sentence 5/8" FINISHED WOOD R E: Interpretation of 2009 IBC Section 603.1 mistake herein deciphering the intent of the code. PANELING such as any FRTW components or any one hour fire resistive construction, or to blocking/backing that is within the wall that provides support for hanging surface mounted Dear Mr. Frye: The history of this code provision came from decades of appearing in the UBC under the old = INTERIOR= format where Chapter 17 was the chapter on Types of Construction. For instance, in the cabinets and the like. The whole reason for its placement there long ago in the first place This letter is to address your question regarding proper code application when using 1982 UBC and following they had section 1705(b) which reads: was to allow manufactured cubicle construction to serve as unprotected "walls". plywood backing in non-combustible construction. (b)Fixed Partitions. 1.Stores and offices. Interior nonload-bearing partitions dividing portions of stores,offices or If we may be of any further assistance on this or other code items, please do not hesitate to C2) WAL TYPE �� As you are aware, the 2009 IBC addresses the allowed materials in non-combustible similar places occupied by one tenant only and which do not establish a corridor serving an occupant load of 30 or more may contact us. be constructed of buildings in section 603. While the structural elements of the building are required to be11/2„ = 1,-0„ • ' non-combustible, certain other combustible materials not associated with the building A. Noncombustible materials. Respectfully, V C "elements"are allowed in Type I and Type II buildings. B. Fire-retardant treated wood. { ° Q C. One-hour fire-resistive construction. CZA„4410— D. Wood panels or similar light construction up to three fourths the height of the room in which placed; S` Section 603 item 25 (item 1 in previous editions and subsequent printings of this edition) when more than three fourths the height of the room such partitions shall have not less than the upper '� A ' allows Fire Retardant Treated Wood (FRTW) to be used in non-bearing partitions if any one fourth of the partition constructed of glass. E S. Dan Weed, C50 required fire-resistance rating is 2 hours or less. FRTW is actually still a combustible The code would have required rated fire resistance assemblies then for corridors serving 30 Plans Analyst/Consultant ' • ECCE product, though it has passed flame spread requirements, and does not sustain a fire. or more people and it wouldn't have been an option. Additionally, office components were Colorado Code Consulting, LLC beginning to be manufactured and erected where cubicle wood wall panels were designed EXTERIOR r 0. 401494 Section 603 item 13 (in first printing) allows blocking (thatprovides support for surface and theywere typically about 6' high (three-fourths of a typical 8' tall room). Some =CAST EXISTING C.I.P. OR PRECAST CJ pp YP Y 9 YP ) mounted objects) to be placed within the wall and to be unprotected. This is typically seen overzealous inspectors were beginning to say that these panels were "walls" and therefore CONC. WALL PANEL XI U for grab bars, mounting of racking or nailing for door frames. This philosophy is also used by needed to be non-combustible which denied their use. The code addressed that fact that iq S Q Ar C the Gypsum Association in their Fire Resistance Design Manual general explanatory notes these unprotected panels of wood or light construction of metal/fabric often had the top 2' dn item 23 which allows wood structuralpanels to beplaced either under or over thegyp-board made ofglass for light and sound blockage, and were fine aspartition components in stores S I' 4" 0.C. 1-%" U.oN. STEEL STUDS, DrawingTitle: 9 g p "� that provides the rating in a rated assembly, even when not part of the listed assembly. and offices where they were typically found. b v RE: PLAN sls Item 10 provides an allowance for stores and offices of a single tenant to have non- Future iteration of the code section hasn't changed the wording much, other than putting it /\ riim— ------- ------ ---- ---- 1 �® WALL combustible interior partitions of other materials if it doesn't make a corridor that serves 30 all into one sentence instead of bullet points as it used to be. Now, instead of using bullets, �+ or more occupants. The wording of the sentence is: the code tries to do the same thing with the use of commas and the word "or'. The z - INTERTYPES I I PE�7 unfortunate wording in the commentary totally misreads the grammar, misses the intent of a Partitions dividing portions of stores,offices or similar places occupied by one tenant only and that do not establish 0- 5/8" PLYWOOD BACKING a corridor serving an occupant load of 30 or more shall be permitted to be constructed of fire-retardant-treated the code and perpetuates that misunderstanding among its current users. ,. FULL HT. wood. 1-hour fire-resistance-rated construction or of wood panels or similar light construction up to 6 feet(1829 2 I P a g e 3 1 P a g e = 5 mm)in height. (-,1 /8 TYPE X GYP. BD. Colorado Code Consulting, LLC Colorado Code Consulting, LLC Some confusion has arisen over how this sentence was constructed, and how the grammar that was used should be interpreted in order to maintain the intent of the code. The Date: February 14, 2014 Project No: 23394.00 WALL Tr:D 1.0 Drawn by:REFERESTAFF 1 1 EE 1/2" = Checked by: AP/TF I `�CE LEI IER Sheet: 0 NIS A1 . 3 ©2014/2015 PIERCE FRYE ARCHITECTS