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Home My WebLink AboutPLAN ANALYSIS MAR 22 - SEC 1B - 99-00010 - Upper Valley Industries - Additioni� City of Rexburg Building Department 12 North Center Street P -*0- 83440 Rexburg, la-aho (208) 359.30?d Plan analys i s based on. the X994 Uniform Building Code Prod ect Number: DevV'Jk # 5 Project Name: Dev . Workshop wl Address: 15 North 21-1d East St. 15 Date & other proposed Occupancy: F1,B-S1fB1F1rR1-R1tS11E1 Construction: V-1hrvV-N:V-N NATE: Thi codes items listed in this complete It is a March 22p 1999 addition Contractor* itect: Arch Engineer None None None Report By: JOE report are not listing of all possible code requirements guide to selected sections of the erode. Report created using Plan Analyst software by b v+r & Portions of the material contained in this program from the Uniform Building Code with the permission International Conference of Building officials. LATIn7-1%.ru,i intended to be a in the 1994 UBC. a. (719) 599-5622, are reproduced of the - --M SECTION e 621Y6 7"A DIRECTION NORTH EAST SOUTH WEST Allowable Sic. SEPARATION BOUNDARY AREA INCREASE Separation wall 0. 4 Feet Property dine Public way Public war area increased X05.1 120. 0 Feet 135. Q Feet 114. 0 Feet 100.% for s•� FIRE PROTECTION 0. 0 Feet 120. 0 Feet 69. 0 Feet 64. 5 Feet area on 3 sides Cade review Pro� ec t 16.* Address ; 15 FL Or d t for: Dev. . Workshop wI other proposed addition, North end East St. SAME SCG F'LR AREA ALLOWED RATIO STATUS 2 Conference Room B ok 2 office B ok TOTAL FOR FLOOR 1. Woodworking Area Fl ok 1 Of f ice B ok TOTAL FOR FLOOR BUILDING TOTAL 3 0 Q 1750 2050 1 4 6 04 3080 17684 19734 28000 0.01 ok 28000 0. 06 ok 28000 0.07 ok 28000 0. 52 ok 28000 0.11 ok 28000 0.63 ok 56000 0.35 ok The maximum allowed R1 area on the 2nd floor is 3000 sq.ft. building is of 1 hour fire -resistance construction., -- Sec. Rooms dor kindergarten, 1st and end grade children are not on any floor other than the 1st floor. -- Sec. 305.2.3 may be on the 2nd f lacer if there are at least 2 exits the exterior for the exclusive use of such occupants. unless the 310.2.2 permitted Note: They directly to ---M PP -M e x c . 2 The actual height of this building is 28a feet.-'. The maximum height of the building i.s 50. feet. ---- Table 5-B Code review Project Id. Address: 15 Page # 3 f or0 41 rev. Workshop w% other proposed addition North end mast St. EXTERIOR WALL FIRE RATINGS AND OPENING PROTECTION enable 5-A NORTH AREA SEPARATION '4rtiTALL - See requirements listed later in this report, EAST For Bearing fan -Bearing Opening Construction Parapet Occupancy Wali. Wal 1 Protection Material Required F1 1 hour 1 hour None Any No B 1 hour 1 hour None Any No SOUTH For Bearing Nin --Bearing Opening Construction Parapet Occupancy Wall Wall Protection Material Required F1 1 hour 1 hour None Any No B 1 hour 2 hour Nine Any No VEST For Bearing fan -Bearing Opening Construction Parapet Occupancy jn1'a11 Wall Protection Material Required F1 1 hour 1 hour Nine Any Na B I hazer 1 hour Nave Any No None -- No fire protection requirements for openings. 3 ,/ 4 hour Openings are to be protected with 3/4 hr fire assemblies, ti 4 Code review for: Project Id,. Deva Workshop w/ other proposed addition Address: 15 North 2nd East St. SO% of the area of the wall maxirnum. -- Footnote 5 & Sec. 503.2.2 Maximum single window size is greater than 12 feet. -- sPc_ Nod Allowed --- Openings are not permitted in ELEMENT Interior Bearing Interior nonbrg Structural Frame Exterior. Strut Shaft Enclosure OTHER SUILDING ELIEMENTS wall wail Frame Floor/Ceiling Assembly Roof /Ceiling Assembly Stairs NOTE: See Section 711 FOOTNOTES: MATERIAL Any Any Any Any Any Any Any Any for shaf t 84 sq. ft. 713.8 this wall. Table 5 -AP with no NOTES See Footnote Sem f ootnote See Footnote enclosure exceptions, dimension 1} Elements in an exterior wall located. where openings are not permitted or where protect ion of oDeninas is recruirPa 1 5) 21 against external fire exposure as or the structural frame, whichever required for e�.�erior bearing wall is crreaterm,;;hI a A_7\ f�,�,rn�,�-a "u".Luaa-gearing walls witriin a tenant 1 hr. corridor may be of as lNoncomnustible (nonrated) materials b) Fire retardant -treated wood � _—�•� �.... a...i� v sad .4vV 411LJ 4.G space that are not part of a c } One-hour construction (any material) -- Sec, If the entire raaf structure is 25 feet or more the fire iating may be allowed to be eliminates. requirements, -- Sec, 6p5,5 601. 5 . 2. 1 above any f lour, See limitations and 1 Table RATING 1 hr 1 hr 1 hr 1 hr 1 hr 1 hr 1 hr Table 5 -AP with no NOTES See Footnote Sem f ootnote See Footnote enclosure exceptions, dimension 1} Elements in an exterior wall located. where openings are not permitted or where protect ion of oDeninas is recruirPa 1 5) 21 against external fire exposure as or the structural frame, whichever required for e�.�erior bearing wall is crreaterm,;;hI a A_7\ f�,�,rn�,�-a "u".Luaa-gearing walls witriin a tenant 1 hr. corridor may be of as lNoncomnustible (nonrated) materials b) Fire retardant -treated wood � _—�•� �.... a...i� v sad .4vV 411LJ 4.G space that are not part of a c } One-hour construction (any material) -- Sec, If the entire raaf structure is 25 feet or more the fire iating may be allowed to be eliminates. requirements, -- Sec, 6p5,5 601. 5 . 2. 1 above any f lour, See limitations and 1 Code -review Project Id. ta Address .. 15 DRAFT STOPS: If there is stops shall exceed 1, 0 0 0 stops does n If there is stops shall exceed 3, 0 0 0 stops does n f or: Dev. North Page # 5 Workshop w/ other proposed addition 2nd East St, combustible be installed square feet of exceed 60 combustible be installed square feet of exceed 60 construction in the floor/ceil�ng assembly, draft so that the area of concealed space does not and so that the horizontal dimension between feet, -- Sec. 708. 3. 1. 1. 3 construction in the roof /ceiling assembly, draft so that the area of concealed space does not and so that the horizontal dimension between ,feet. -- Sec. 708.3-1.2.2 OCCUPANCY' SEPARATIONS Table 3,B F1 --B 4hr HEATING EQUIPMENT SEPARATION: FOR F1 OCCUPANCY: A I hr. bailer -- Sec. occupancy or central 302.5 FOR B OCCUPANCY: A I hr. poi? er -- Sec. occupancy or central 302.5 j separation heating unit separation is heating unit ADDITIONAL 4 SEPARATIONS -. required around rooms containing a greater than 4QQ,000 BTU input, required around rooms containing a greater than 400,,000 BTU input., A refrigeration machinery room shall h of the building as required for an H7 horizontal occupancy separation may be area of the machinery room. Structural protected for the type of construction A 1 hour separation i s required from a FOR F OCCUPANCY o Woodworking areas with a floor .I - separated "rom other areas by -- Table 3-B, footnote #6 e separated from the remainder occupancy regardless of f area A d limiteto the actual floor supporting elements shaZ� �e only. Sec. 2802 a F1 occupancy, area greater than 21500 sq.ft. must be one hour occupancy separation construction. Code review Project TCJ A ,c----!,: 15 SECTION # 1 for- Dev. North EDIT REQUIREMENTS: FL NAME TOTAL 1 Workshop wI other proposed addition 2nd East St. Conference Room off ice Woodworking Area 1 Office TOTAL NUMB MIN MIN PANIC RATED DOOR NOTES OCC EXITS WIDTH HDWR CORRIDOR SWING 20 1 0.3 No No N/R 18 1 0.3 No No N/R 38 2 1.0 No Yes N/R 73 2 1,2 No Yes Out 31 Z 0.5 No Yes N/R 104 2 1.7 No Yes Out 0 Aw Hatea corridors are to have 1 hr. fire protection on bath siders of walls and ceiling. Sic. 1005-71 Door openings are required to be protected with 20 minute assemblies. -- Sec. 1D05.8.1 Window openings are required to be protected with. labeled 3/4 hour assemblies. -- Sec. 1005.8.2 Elevators opening into a rated corridor shill be provided with an 31 elevator lobby at each. floor containing a rated corridor. --- Sec. 10D5.10 Walls and openings between the corridor and the elevator lobby are required to be per sections 10[75 _ 7 PrH 1 nnrN P mi-,�,�T� In arias where 2 emits are required, the maximum diagonal of the area or When 0 �a g 0 except the minimum separation is 1/2 of floor., -- Sec. 10031.3 exits are required, exits must be arranged so that in either direction from any point in a corridor to for dead tends not exceeding 20 feet in length. --- .r 11 it is possible a separate emit, Sec. 100. 5 Code review Project Id. Address so 15 far: Dev. 9 North a op Workshop wI other proposed addition end Easy. St. Exit signs are required from all areas where 2 or exits -- Sec. 1013.1 Main exterior exit doors whish obviously and clearly as exits need not be s�.gned when approved. -- exc. 1 Door swing is based on Sec. 1004. 2 except as noted. Occupant load factor is based on Table la -A. NT l m� F� Y' 1"� f A'St Z _ are required. are identifiable ��u On i -Le l u -x except as noted. Exit width is in feet and based an Sec. 1003.2., Exit width is to be divided appraximately equally among exits. Width shown for all areas is based on ether exits, (Q.2) Width shown for 1st flooris based on other exits. (0.2) Width shown for other floors & basements is based on stairways, (0.3) For the minimum width of doors, sem Seco 1044.5 For the minimum width of corridors, see Sec, 1005.2 For the minimum width of stairways gee Sic. 1006.2 FOOTNOTES 9} If this entire story has an automatic sprinkler system and an automatic smoke --detection system is installed within the corridor, and actuation of any detector shall activate alarms is all areas served by the corridor, the corridor need not he rated if the occupant load is less than 100., ---- Sec,,. 1005.7 exc., 5 FLUSH AND SURFACE BOLTS:, Manually operated edge or surface -mounted flush bolts and halts are prohibited, When automatic flush bolts are used, leaf having the automatic flush bolt shall not have a door surface-mounted hardware. The unlatching of any leaf shall require more ��-�.an one operation. --�- Sec. 1004.3 LOCKS AND LATCHES: All mans of egress from which egress �s knowledge or effort . Ivey -lacking hardware consists of a single doors shall be readily to be made without the _, Sec. 1004,,3, surface the door knob or not openable from the side use of a key or special may De used on the main door or pair of doors if emit when the main emit there is a sigxx stating THIS DOOR MUST REMAIN 'UNLOCKED DURING BUSINESS HOURS. When unlocked, door(s) must swing wit�-�.out operation of any latching device, -- exc. 4 4 Code review Pro Id. Address: 15 STAIR NOTES: for9 rev . Workshop North 2nd East v,r/ other St. proposed addition Public stairways: 1} The rise of steps shall not be less tnan 4 inches inches. The minimum gun Pis inch inches . The maximum inch in a flight o� stairs . --- Sec. 1006,3 / 1 1 � 5 • 1 nrr r .. f � _ s or greater than 7 variation is 3/8 4, � Llt.1111111U111 w�c..�Lr� c�z a srairwa�r is 36 inches, 44 inches occupant load is greater than 49. -- Seca 1006.2 Also see exit tale agave to see if minimum width 44 inches. 3) Provide a handrail on berth sides of stairway 34 tc nosing, May be on one side of stairways less than --- Sec. 1006.9 & exception Z - if the is greater than 38 inches above 44 inches wider. V -�� u � uaL u i ui i where �.rop ot t is greater than 30 inches. --� Sec . 509. 1 5). The minimum height is 42 inches. --- Sec. 509.E �i ) �nArrrzarr�ra; � c• rrl-,-,1 � 1,..t.. ; ....,_ _____ _ - --, -r--11 �.�.� ��1��,� l�av� �ii�..ez��ea�.aLe raiis or ornamental pattern such that a sphere 4 inches in diameter cannot pass through. -- Sec. 509.3 The triangular opening formed at the riser, tread and _ guararall may be 6 inches. -- 509.3 exc. 2 the . � 111111-1..LLLL.LILI litl-llau1 uuIn is b z t . -- 8 inches. Such clearance shall be measured vertically from a plane parallel and tangent to the stairway treed nosing to the soffit above at all points. -- Sec. 1006.15 8} Enclosed usable space under the stairs is required to be protected as required for 1 hr. fire-resisti've construction. -- Sec.. 1006.12 ELEVATOR REQUIREMENTS; 1} When the elevator vertical travel is 25 feed. or more, each associated elevator lobby or entrance area and associated mach roams shall be provided with an approved iitne sed smoke detector for elevator recall 2) 3) purposes only. -- Sec, 3Q03.2 I -n building three or more stories in height, at leapt one elevator serving all floors shall accommodate a wheelchair. See the complete list of requirements in code book. -- Seca 3003.4,,,1, Shafts (hoistways) housing elevators expending through more than two floor levels sha11 be vented to the outside. The area of the vent shall not be less than 3 1/Z percent of the area of the elevator shaf t ,�ravid.ed a m.�nimum o f 3 square feet per elevator is provided . - Sec, 30040 Vents shall be capable of manual onera t; on nn i tT Cade review Project Id.: Address: 15 for: Dev. forth Workshop w/ tether proposed addition 2nd East St. RAMP REQUIREMENTS: 1) The minimum width is z) 3) 49 or less, �t may be occupant load, check _- Sec. 1007 . z 1 44 inches. 3 5 inches exit table 0 If a wide. above rami If for ir Lne ramp is part of the accessible 1912. All other ramps may have a slope ��. sec. 1007.*3 serves an occupant the ramp is serving required W1dth. load of a high rout, the maximum slope is Of 1. S -or less, uv"en t��.� slope is greater than 1 � 15, landings shall be provided the Lap, bottom and for each 5 feet of rise. Tap landings and intermediate landings shall be at leapt 5 feet in the direction travel. Landings at the bottom of ramps shall be at least 6 feet the direction of travel e --- Sem . 1007. 4 4) handrails shall be per stair requirements. 5; The surface shall be roughened or shall be materials. -- Sec.., 1Q07.7 LANDINGS AT DOORS: -- Sec. 1007.5 Of slip -resistant at 0 �n 1 } A floor or landing shall be provided on each side of doors. When access for persons with disabilities is required, the floor or landing shall not be more than 1/2 inch lower than the threshold.. T�hen access is not requirea, �he maximum is 1 inch. -- Sec. 1004.9 2} Landings shall have a width not fess than the width of the stairway or width of the doorway, whichever is the greater. The minimum length in the direction of emit travel is 44 inchesd.-,-- Sec, 1004.10 TRAVEL, DISTANCE The maximum travel distance in this building is 15D fejt. -- Sem, 1D03.4 A I. 6 Page 4 1d Code review fir; Project Id. : Dev. Workshop w,l other proposed addition Address: 15 North 2nd East She BUILDING ACCESSIBILITY: 1 } 2) 3) 4) This one building entrance CABQ/ANSI All accessible. including each tenant which complies with the shall be nrnv i HPH i.1. least �U percent 11D3 .2 .3 accessible route of all enhances with at least provisions of shall be v�hen more that one exit �s required from any accessible spaces, each accessible portion of the space shall be served by not less than two accessible means of egress, -- Sec. 1104.1.1 4nf f 1 fQn =t n _ r .. .. P=)�-ci�iwc�.y -L ;=i P�r L Q= an access!-ble means of egress, the stairway shall have a clear width of not less than 48 inches between the handraiIs. The stairway shall either incorporate an area of refuges an �riiargea s Lory-level �.anding or sha,� 1 be accessed f rom an area of refuge. --- Seco 11D4.1.2 T]'In n-y-gmm _P _P I �L e uyej vsitd11 nave ax.rect access to the stairway that serves it4 -- Sec -0 1104.2.1 Each area of refuge shall be sized to accommodate one wheelchair space not less than 30 inches by 48 inches for each � � 0 occupants, or portion thereof. -- Sec. 1104.2.3 5} If the area of refuge is not within the stairway, it shall be separated from the rest af the story by a smoke barrier having at least a one- hour fire -resistance rating. Smoke barriers shall extend to the roof or floor deck above. Doors shah be smoke and d�a�t control assemblies Frith a rating not less than 20 minutes. -- pec. li0d.2.4 5 } Two-way communications are required. --- Sec* 1104,2.5 7 } Each area must be idne t i f i ed by a sign stating AREA CSF REFUGE and the international symbol of access .ibility. 8} NOTE: Exit stairways in buildings protected. throughout by an approved automatic sprinkler system are NOT required to inco�� pora e an area of refuge-. --- Sec. 1104.102 exception #2 ROOFING REQUIREME 1) The 2} See NTS: k. roofing an this building i,� requirea Table 15-A to be Class B or better. section 1504 and zCBD research reports for requirements, 0 Code revs ew Project Id. address: 15 Workshop w/ other proposed. addition 2nd East St, AREA SEPARATION WALL REQUIREMENTS: 1} The area separation wall is required to be a 2 hr dire assembly. Openings are limited to 25 percent of the length of the wall. and protected with a 1 1/2 hour assembly, -- Sec. 504.6.2 k 2 If thebuildinghas a prof eetian, i hr. protect -ion is required on the exterior wall each side of the aroma separation wall equal to the depth of the projection, - Sec. 504. 6. 3, exceptions If the projection has a concealed space at the area separation, wall, the area separation wall must extend through the projection. 3) -If the area separation wall terminates at an inside corner, see the article in 'Building Standards, Sep/Oct 1982 for requirements. 4) A 30 inch high parapet wall is required above the roofing, -- Sec . 504 . 6 a 4 See exceptions for alternate protection at roof. The faces shall be momcombustible for the uppermost 18 inches FF including counterflashing and ng matecoping -- Sec. 504.6.5 , rials . AUTOMATIC SPRINKLER SYSTEMS: If openings are not provided in each 5 0 feet of exterior wall or there ,is floor area more than 75 feet from an exterior r or opening, an automatic sprinkler system is -required. Sec. 904.2.2 Note: Openings shall have a minimum dimension of 30 inches. There must be at least 20 sq.ft. of opening in every 50 lineal feet of wall. An automatic sprinkler floor area greater than system is required in woodworking areas when the 2, 500 sq. ft. -- Sec. 306.,.8 STANDPIPE REQUIREMENTS: There is no requirement for a standpipe. -- Table 9-A FOOTNOTES: 'k M Code review Project Id,: Address: 15 VENTILATION: for: Dev. North Page #k 12 Workshop w/ other Proposed addition. 2nd East St. A11 areas custamar�.ly occupied by humans ventilation by means of operable exterior Tess than 1/20 of the -Lotal floor mechanically operated ventilation of supplying a minimum of 15 cubic occupant. -- Sic. 1Z02.2.1 area or system. r_ _1 shall be provided with natural openings with an area of not shall be provided with a Such s�,rstm shall tae ca-nahl fzl =eet per minute of outside BALL AND CEILING FINISH: l} Wall and ceiling finish materials are required Seco 8Q4.3 and. Table 8-B. 2} Carpeting on the ceiling is required to have a spread ratings -- Seca 804.2 3) Textile wall coverings shall have Glass I flame and shall be protected by automatic sprinkl�rs acceptances criteria Of U.B.C. Standard No,. 8-2 TNsuzATIoN NOTES0 1 � All insulation ma �-p-r; A 1 ; nrl „�; n,� •-�—�-��va� .i ii.L lL.i Ld 111� flame -spread rating of 25 or less unless it is in a concealed spare a-ir per to comply with Class 3 f �.ame spreac.�. or meet --- Sec, facings are required and a maximum smoke and the facing �s �n Ick WQ.L.1 lJl t=E'_7_ 1 l 77 CT _ •.••— �:Gat"� '1 f1'1 "� .�,tr... r} 2} Foam plastic insulations are required to be Protected., ratinge the 805 to have density contact �� Sec a a of 454 with ADDITI�JNA�., REQUIREMENTS For F1 occupancy Equipment, machinery or appliances which generate finely divided combustible waste or which use finely divided combustible material sha 1 ' be equ �pped with an approved method of collect i on and removal . -- Sec, 3064.8 For B occupancy 2602 bode review Project Id.; Address: 15 f or; Dev. North Page # 13 Workshop w/ other proposed addition 2nd East St . ACCESSIBLE FACILITIES: NOTE,: Except as noted, section numbers listed below are from CABO/ANSI A117. 1 - 1992 WATER FOUNTAINS AND WATER GC3C3LERS At leash 50 percent of drinking fountains, but not less than one, provided an every floor shall be accessible. -- UBC Sec. 1105.4o.1 .Accessible units must comply with the following: 1} Spout is to be within 36 inches of the floor. -- Sec_ 4.15,2.1 2} Spout arranged for parallel approach shall be located 3 inches maximum from the front edge. Spouts of cantilevered units with knee and toe clearances shall be located 15 inches minimum from the vertical support and 5 inches maximum from the trent edaP_ a1 -- Sec. 4.15.2.2 Spouts shall provide a flow of water 4 inches height minimum. -- Sic. 4.T5.2.3 4} Operable parts unit and shall 5} A cantilevered shall be located at or near the from comply with 4.25.4 --- Sec. 4.15.3 unit 'is reauirPc] tn ;zl}c-�c� ri 9 Lrie vertical support, of $ inches in depth Clear knee space mush�rov.ide highat 27 inches and 21 inches minimum above the floor, - - Sec, 4,15.4 . 1 minimum from a clear area at 9 inches 6} Forward approach units shall comply with �4 . � , Units in aZ�oves shall comply with 4.x.4.4. Units not having the necessary knee erode rev Praj ect Address; Page 4 14 iew for: Id.: Dev. workshop w/ other proposed addition 15 North 2nd East St. and toe clearance or Near space under them steal. comply with 4•x .4 and have a clear floor space that allows a person in a wheelchair to make a parallel approac�Z. ---- Sec. 4.15,4,z TOIt�ET FACILiTTES: 1} A 60 inch diameter unobstructed burning space is required in the toilet room. -- Sec. 4.16.3. 4 & Fig. S4 � 2 .3 2) Water closet shall be mounted adjacent to a side wall or partition. The di centerlistance frim the side wall or partition to the ne of the water closet shad be 18 in. Sec. 4. 17. 1 3 } When the accessible water closet is not in a stall The clear door space shall be 48 in minimus: in front of the water closet and 42 in from the center line of the water closet on the side not adjacent to the walk.. -- Sec. 4.17.2 & Fig. B4.17.2 4) When the accessible water closet is in a stall: The stall shall be 50 in. wide m.iz�imum and 5 5 i n deep minimum for wall hung water closets and 59 in deep minimum for floor mounted water closets . --- Sec . 4. 18.3 , 1 If the door swings into the stall, the required depth shall be increased by 36 inches minimum. -- Sec. 4.18.3.E & Fig. 84, 1$.3. 1 5 ) The bars are to be 33 to 36 inches above the floor anc�f. steal l be provided on the rear wall and on the side wall closest to I Code review Project 1d,. Address; 15 for. North Workshop w/ other proposed addition 2nd East Sts the water closets -- Seco 4,24,2..2 Figs. 84.17.3, 84417.4 and 84. 18. 3. 1 a}Side grab bar is required to start within 12 inches of the backwall and extend. to 54 inches from the hack W e minimum length of the bar is 42 in} -- Sec, 4,17,4.,.l � Figs,, B4417.3 and B4.18,3.1 b) The rear bar shall be 24 in long minimum, centered vn the water closet. Where space permits, the far shall be 36 in long minimum, with the additional. length provided on the transfer sides --- Sec. 4.17,4.2 & Figs. 8 .17.3, 84.17.4 and 84.18.3.1 5} The top of the seat an the water closet is required to be 17 to 19 inches above the floord -- Sec, 4,17.3 & Fig, B4,17-3 7} Accessible urinals shall be of the stall type or wall hung with the rim at 17 inches maximum alcove the floor, - ---- Sec. 4.19.2 8} A clear area of 30 X 48 inches minimum is requires in front of the urinal. Privacy shields shall not extend beyond the front image of the urinal rim, unless they are 30 inches apart minimum. -- Sec.. 4,1g.3 9) .Accessible lavatories shall be mounted with the aim 3 4 inches maximum above the floor and a clearance of 29 inches minimum from the floor to the bottom. of the front edge of the apron. --- Sec,, 4,20.2,.,l Fig-. B4*2093.1 10) IL shah extend 17 inches minimums from the wall. The clear knee space shall be 8 inches in depth minimum at 27 inches minimum above the floor and�1 inches in depth minimum at 9 in minimum above the floor. The dip of the over f low sha 11 T: -%e 'gnored whenchecking the clearances. -- Sic. �.�p.3.1 & Fig. $4e20.3.1 11} A clear floor space of 30 X 48 inches minimum shall be provided, in front of the' -Lavatory and shall extend 19 inches maximum under the lavatory. -- Seg. 4.20.3.E & -wig- X4.20.3.2 12} Water supply and drain popes under lavatories shall be insulated or otherwise treated to protect against contact. Sec. 4.20.4 13} The bottom of mirror is required to be within 3 8 inches of the.floor. -- Sec. 4.16.5 & Fzg. 24.20.3.1