32A-142 HINGE NEW RAISED PLATFORM commented 2014-10-07DNDNUPUPC1A1.2A1A1.2B3A1.2D1A1.2REMOVE FIRST LINEOF EXISTING TIMBERCOLUMNS AND BEAMSAT STAGENEW WOOD STAIR WITHPT'D METAL PIPEHANDRAILS AT EACH SIDE-8 EQAUL RISERS7 TREADS @ 11" ea.AREA OF EXISTING RAISEDPLATFORM TO REMAINBELOW (HATCHED AREA)DEMOLISH EXISTINGRAISED PLATFORM UP TOHATCHED AREAEXISTING BAR TO REMAINBELOWNEW RAISEDPLATFORMEXISTING BARAREAEXISTINGDANCEFLOOR AREAMIN.3' - 1"2 1/2" x 2 1/2" x 1/4"STEEL ANGLE ATPLATFORM EDGEDEMOLISH EXISTING WALLPANELING AS REQUIRED FORSTRUCTURAL STEEL LEDGER9' - 6"24' - 1"AREA OVER BAR ANDUNDER NEWPLATFORM TO BESPRINKLEREDNEW RAISEDPLATFORM12' - 4"BAR 24' - 8"DANCE FLOOR8' - 8"24' - 1" +/-EXISTING TIMBERCOLUMNS AND BEAMS TOBE DEIMOLISHEDNEW WOOD STAIR ANDMETAIL PIPE HAND RAILSEXISTING GUARD RAIL TOREMAIN - VERIFY TOP OFGUARD RAIL IS MIN. 42"A.F.F.V.I.F.4' - 0" +/-SOUND EQUIPEMNETSCREEN PAINTED BLACK -SEE DETAIL SECTIONCLEAR MIN.7' - 0"V.I.F.3' - 6" MIN.NEW RAISEDPLATFORM12' - 4"DANCE FLOOR8' - 8"EXISTING FINISHES/FRAMING TOREAMAINNEW 2x4 @ 16" O.C.KNEE-WALLSPERPENDICULAR TO EXISTINGFRAMING BELOW - TYP.EXISTING FLOOR STRUCTURE (V.I.F.):5/4 DECKING4"x15" JOISTS @ 16" O.C.G.W.B.NEW 2x4 KNEE-WALLS PERPENDICULARTO EXISTING FRAMING BELOW -PROVIDE 2x4 CROSSBRACE AT EACHWALL AS SHOWN -TYP. AT ALL NEWKNEE-WALLSSTAGE STRUCTURE AT DANCE FLOOR:3/4" T&G PLYWOOD2x6 @ 12" O.C.PERPENDICULAR TOKNEE-WALLS BELOW - TYP.EXISTING TIMBER FRAMING TO BEDEMOLISHEDEXISTING WOOD PANELING TOREMAIN - TYP.EXISTING BRICK WALL4' - 3" +/-9' - 6"V.I.F.3' - 8" +/- PT'D METAL SOUND EQUIPMENTSCREEN - SEE DETAIL SECTIONA1.2B2A1.2C3SimFIRST FLOOR0"KITCHEN FLOOR-4' - 8"BASEMENT FLOOR-8' - 5"NEW RAISEDPLATFORM12' - 4"BAR 24' - 8"DANCE FLOOR8' - 8"STAGE STRUCTURE AT BAR:1 HOUR RATED FLOOR ASSEMBLYSEE GA. NO. FC4503 FOR ASSEMBLY NOTES3/4" T&G PLYWOOD6" 14 ga., fY=50, 3" FLANGE @ 12" O.C.(2) LAYERS 5/8" G.W.B. CEILINGEXISTING BAR TO REMAINEXISTING TIMBER BEAM BEYOND - V.I.F.EXISTING TIMBER BEAM BEYOND - V.I.F.TOP OF EXISTING FIRST FLOORBEYONDEXISTING BAR FLOORSTRUCTURE TO REMAINEXTEND & RAISE EXISTINGKNEE-WALL AS REQUIREDEXISTING DANCE FLOORBEYOND - GUARD RAILOMMITTED FOR CLARITY.DEMO EXISTING TIMBERCOLUMNS AND BEAMSA1.2C3NEW PAINTED METAL PIPE HANDRAILS BEYONDPROVIDE EXPOSED SPRINKLERS UNDERFLOOR SYSTEM - DESIGN BY SPRINKLERCONTRACTORV.I.F.9' - 6"V.I.F.9' - 0"EXISTING STEEL COLUMNS BEYOND - V.I.F.EXISTING CONC. KITCHEN FLOORPROVIDE TRACK FOR BARLIGHTING BY OWNER - CENTEROVER BARNEW RAISEDPLATFORM12' - 4"BAR 24' - 8"DANCE FLOOR8' - 8"3' - 0 1/2"EQ.EQ.V.I.F.24' - 1"EXISTING WALLPANELING/ACOUSTICTREATMENT TO REMAIN- REMOVE ASREQUIRED AT NEWSTEEL LEDGERVERIFY CONSTRUCTIONOF EXISTING KNEE WALL -PROVIDE (1) LAYER CONT.5/8" G.W.B. FOR 1-HOURFIRE-RESISTANCE RATINGNEW KNEE WALLSV.I.F.3' - 8"A1.2D3STEEL CHANNELATTACHED TO EXISTINGBRICK WALL w/ EPOXYANCHOR BOLTS - SEEDETAIL SECTIONBUILD-UP EXISTING KNEEWALL AS REQUIREDPROVIDE 1/2" PT'DHARDWOOD PLYWOODAT STAIR KNEE WALLPROVIDE (3) 2x12 STAIRSTRINGERSPROVIDE 5/4 HARDWOODSTAIR TREADS w/ PLYWOODOR SOLID WOOD RISERSPROVIDE PAINTEDMETAL HAND RAILS ATEACH SIDE OF STAIR6" 14 ga., Fy=50, 3"FLANGE @ 12" O.C.2x6 @16" O.C.2x6 @16"O.C.NEW KNEE WALLS (GRAYTONE)- SEE SECTIONS FORDETAIL(3) 2x12 STAIR STRINGERSPROVIDE LEDGER AT KNEE-WALL AND HANG WITHSIMPSON STAIR STRINGERHANGERSVERIFY CONSTRUCTION OFEXISTING KNEEWALL -PROVIDE 1 LAYERCONTINUOUS 5/8" G.W.B. FOR1- HOUR FIRE-RESISTANCERATINGEXTEND EXISTINGKNEEWALL AS REQ'DNEW STEEL CHANNELATTACHED TO BRICK WALLWITH EPOXY ANCHOR BOLTS- SEE DETAIL SECTION9' - 6"2x6 @16" O.C.V.I.F.11'-10"V.I.F.12'-3"2 1/2" x 2 1/2" STEEL ANGLE PT'DBLACK3/4" BIRCH PLYWOOD w/ CLEARPOLYEUROTHENE FINISH CONT. 2x6 BLOCKINGROPE LIGHT3/4" BIRCH PLYWOOD PT'DBLACKFINISH FLOOR T.B.D. BYOWNER(2) LAYERS 5/8" G.W.B.CONT. BLOCKING FROM2x88"21/2"1/4"8"1/4"EDGE OFKNEEWALL/SOUNDEQUIPMENT SCREENBEYOND3/4" T&G PLYWOOD DECKINGHANG 14 ga., Fy=50, 3" FLANGE MTL.FLOOR JOISTS FROM CHANNEL w/SIMPSON HANGER TYPE SB/AC6X10.5 CHANNEL(2) LAYERS G.W.B.3/4" Ø EPOXY ANCHOR BOLTS @ 24"O.C. w/ 8" MIN. EMBEDMENT -ALTERNATE PLACEMENT 1 1/2" FROMCHANNEL CENTERLINENOTE:VERIFY THICKNESS OF PARTYWALL PRIOR TO DRILLING HOLES.MIN.8"11/2"11/2"DEMO EXISTING WALL PANELING ASREQUIRED AT NEW PLATFORM FLOOR8"FINISHED FLOOR T.B.D. BYBUILDING OWNER2"x2" STEEL ANGLE PT'D BLACK -TYP. ALL (4) SIDES.WOVEN STEEL MESH w/ 1/2"OPENINGs PT'D BLACK ANDWELDED TO STEEL ANGLE FRAMEATTACH SOUND EQUIPMENT SCREENTO KNEE WALLS AND BLOCKING w/ 21/2" SCREWS AND WASHERS2x4 BLOCKINGKUHN RIDDLEA R C H I T E C T S28 AMITY ST. SUITE 2BA M H E R S TMASSACHUSETTS 010024 1 3 2 5 9 1 6 3 0FAX: 4 1 3 2 5 9 1 6 2 1ADBCThis drawing is not intended nor shall it be used for constructionpurposes unless the signed professional seal of a registered architectemployed by Kuhn Riddle Architects, Inc., is affixed above.Keynotes/General Notes:Date:Drawn By:Project:Scale:1234512345ADBCc Kuhn Riddle Architects, Inc.As indicated10/7/2014 3:50:11 PM10/07/2014BHNEW RAISED PLATFORMA1.248 Main St., Northampton, MAHinge14053A1.2 1/4" = 1'-0"NEW RAISED PLATFORMD4A1.2 1/4" = 1'-0"SECTIONAL ELEVATION OF PROPOSED STAGEC1CODE REVIEW:Building Construction Type is IIIBOccupancy (classification):Basement (A-2,Nightclub) = 6First Floor (A-2,Nightclub) = 70Second/Upper Bar/Dance (A-2,Nightclub) = 127Stage (A-2,Nightclub) = 8Third Floor (B) = 4Total Occupancy = 207Max. ticketed occupancy = 181Special Detailed Requirements Based on Use and Occupancy:Per IBC 2009 Section 410.2 Definitions the new raised performancearea is classified as a Platform:Platform: A raised Area within a building used for worship, thepresentation of music, plays or other entertainment...and simililarpurposes wherein there are no overhead hanging curtains, drops,scenery or stage effects other than lighting and sound.Fire Separation:Per IBC 2009 Section 410.4 ...Where the space beneath thepermanant platform is used for storage or any other purpose otherthan equipment, wiring or plumbing, the floor assembly shall not beless than 1 hour fire-resistance rated construction.The portion of the platform over the bar area is a 1-hour rated floorassemblyPer IBC 2009 Section 410.4 ...Where the space beneath thepermanent platform is used only for equipment, wiring or plumbing,the underside of the platform need not be protected.The portion of the platform over the dance floor area will have onlysound equipment underneath and is not required to have fire-resistance rating.Fire Protection:Per 780 CMR 907.2.1.2 Nightclub Use -Entertainment SystemResponeThe activation of any fire protection system element (signalingsystem, detection, sprinklering, etc.) shall automatically:1. Cuase immediate illumination of all areas and componentsof the required means of egress, and additionally;2. Cuase immediate full activiation of all other house lighting;and3. Cause immediate stopping of any and all sounds an visualdistractions (public address systems, entertainment, dancelighting, music, etc.) that conflict /compete with the fire protectivelighting system.Ceiling Height at Bar:Per IBC 2009 Section 1208.2.1 Furred Ceiling. Any room with afurred ceiling shall be required to have the minimum ceiling heightin two thirds of the area thereof, but in no case shall the height beless than 7 feet.Area at bar with min. 7'-0" ceiling height = 112 s.f.Total bar area s.f. = 340 s.f.Guard Rails at Platform:Per IBC 2009 Section 1013.1, Exception 2 ...Guards are notrequired...On the Audience side of stages and raised platforms,including steps leading up to the stage and raised platform.Guard rails not provided at new platform or stairs. Handrails to beprovided per IBC Section 1012.Live Loads:Per IBC 2009 Table 1607.1 Minimum uniformly distributed live loadfor stages and platforms is 125 psf.Accessibility:The new raised platform is to be used only by paid employees ofHinge and is therefore not subject to 521 CMR section 14. Per theADASAD section 203.9 the performance platform is not required torequired to be on an accessible route since it is 7 or more inchesabove the ground.ADASAD 203.9 Employee Work Areas. ...Employee work areas,or portions of employee work areas, other than raised courtroomstations, that are less than 300 square feet (28 m2) and elevated 7inches (180 mm) or more above the finish floor or ground wherethe elevation is essential to the function of the space shall not berequired to comply with these requirements or to be on anaccessible route.780 CMR Chapter 34:102.2.2.1 Existing Non Conforming Means of Egress.4. Where occupant load of an existing A-2 Nightclub use is 50 orgreater, the main entrance/exit shall be a minimum 72 inches(nominal) width...As an alternatvie, or where construction,regulations or other conditions exist which would preclude theinstallation of said main entance/exit door and associated exitaccess, the owner shall cause the existing means of egresssystem to be evaluated by a registered design professional.780 CMR Section 1005.1, Exception 22. For other than H and I-2 occumpancies, the total width of meansof egress in inches shalln ot be less the the total occupant loadserved by the means of egress multiplied by .2 inches peroccupant for stairwars and by .15 inches per occupant for otheregress components in building that are provided with sprinklerprotection in accordance with 903.3.1.1 or 903.3.1.2 and anemergency voice/alarm communication system in accordance with907.5.2.2Width of egress required by posted occupant load =(207)x(.15)=31.05".Each of the three building egress doors exceeds this requirement.The total egress width provided is 118".A1.2 1/4" = 1'-0"SECTION THROUGH STAGE AT DANCE FLOORA1A1.2 1/4" = 1'-0"SECTION THROUGH STAGE AT BARB3A1.2 1/4" = 1'-0"LONGITUDINAL SECTION THROUGH STAGED1A1.2 1/4" = 1'-0"PLATFORM FRAMING PLANC5A1.2 3" = 1'-0"DETAIL SECTION AT STAGE FRONTC3A1.2 1 1/2" = 1'-0"DETAIL SECTION AT STEEL CHANNELD3NOTE: SPACE BELOW STAGE AT DANCE FLOOR LEVELTO BE USED FOR AUDIO EQUIPMETN ONLY. DESIGNOF SPRINKLERS UNDER STAGE BY SPRINKLERCONTRACTORA1.2 3" = 1'-0"DETAIL AT SOUND EQUIPMENT SCREENB2Note: Fire Protection and Electrical design and construction to becontracted under a separate contract with the owner. The Architectwill have no direct supervisory control over such work.