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1. ALL FRAMING MEMBERS SHALL BE SO ARRANGED AND SPACED AS TO PERMIT INSTALLATION
<br />OF PIPES, CONDUITS, CONTROLS AND DUCTWORK WITH A MINIMUM OF CUTTING. SHAFT WALLS
<br />SHALL BE PROVIDED WITH NECESSARY FRAMES, BRACING, AND SEALANT AROUND THE
<br />OPENING.
<br />2. OFFSET STUDS WHERE REQUIRED SO THAT FINISH WALL SURFACE WILL BE FLUSH. IF
<br />STRUCTURAL PANELS ARE REQUIRED ON A WALL PLANE, THE ENTIRE WALL PLANE SHALL BE
<br />FURRED OR FINISHED FLUSH.
<br />3. CONTRACTOR SHALL PROVIDE AND INSTALL ALL STIFFENERS, BRACING, BACK-UP PLATES, AND
<br />SUPPORTING BRACKETS REQUIRED FOR THE INSTALLATION OF ALL CASEWORK, STAIR RAILINGS,
<br />TOILET ACCESSORIES, PARTITIONS, AND OF ALL WALL MOUNTED OR SUSPENDED MECHANICAL,
<br />ELECTRICAL, OR MISC.. EQUIPMENT
<br />4. AT A MIN. FIRE AND DRAFT STOPS SHALL BE PROVIDED THROUGHOUT AS REQUIRED PER
<br />CURRENT BUILDING CODES. SEE NOTES THIS SHEET.
<br />5. AT A MIN. FIRE DAMPERS SHALL BE PROVIDED WHERE AIR DUCTS PENETRATE FIRE RATED
<br />ASSEMBLIES IN COMPLIANCE WITH CURRENT BUILDING CODES. SEE NOTES THIS SHEET.
<br />6. PLASTIC PIPE PENETRATION IN ACOUSTICAL PARTY FLOOR-CEILING OR WALL ASSEMBLIES ARE
<br />PROHIBITED (UNLESS ALLOWED BY LISTED ASSEMBLY.) PLASTIC PIPES AND PLASTIC BOXES
<br />(EXCEPT UL FIRE RATED BOXES) SHALL NOT PENETRATE FIRE RATED WALLS, FLOORS, CEILINGS.
<br />NEC 300.21, CBC 714.
<br />7. FURNISH AND INSTALL ACCESS DOORS, FIRE DAMPERS, ETC. IN CEILING AND WALL
<br />CONSTRUCTION LOCATED AS REQUIRED BY INSTALLATION OF MECHANICAL, PLUMBING, AND
<br />ELECTRICAL WORK AND AS APPROVED BY THE ARCHITECT. PROVIDE REQUIRED FIRE RATED
<br />ASSEMBLIES IN FIRE RATED WALLS AND CEILINGS.
<br />8. CONTACT BETWEEN DISSIMILAR METALS SHALL BE PROTECTED AT ALL LOCATIONS W/
<br />UNDERLAYMENT, BITUMINOUS PAINT, NEOPRENE WASHERS OR ANOTHER NON-CONDUCTING
<br />MATERIAL.
<br />9. PROVIDE INSULATION PER SCHEDULE AND CONFORMING TO ASTM C 665-98 TYPE III-BLANKETS
<br />W/ A REFLECTIVE VAPOR-RETARDED ON PRINCIPAL SIDE. FIRE RESISTANCE RATED WHERE
<br />EXPOSED IN THE EXTERIOR WALL OR AT THE CEILING PLENUM.
<br />10. ROOFING SYSTEM SHALL BEAR U.L. LISTING AS A CLASS "A" SYSTEM. ALL MANUFACTURED
<br />MATERIALS USED SHALL BEAR THE APPROPRIATE U.L. LABEL.
<br />11. CONTRACTOR SHALL PROVIDE ALL CONCRETE HOUSEKEEPING PADS FOR MECHANICAL AND
<br />ELECTRICAL EQUIPMENT, AS REQUIRED.
<br />12. ALL CONSTRUCTION SHALL COMPLY WITH ACOUSTICAL REQUIREMENTS NOTED ON THIS
<br />SHEET AND ELSEWHERE IN THE DRAWINGS AND SPECIFICATIONS UNIT TO UNIT WALL AND
<br />FLOOR/CEILING ASSEMBLIES SHALL MEET A MINIMUM STC AND IIC SOUND RATING OF 50.
<br />REFERENCE INDIVIDUAL WALL AND FLOOR CEILING ASSEMBLIES NOTED IN THESE DRAWINGS.
<br />13. ALL ROOF PIPE PENETRATIONS TO BE ROUND.
<br />1. PARTY WALL AND DIVISION WALL FRAMING REQUIREMENTS:
<br />A. STUDS SHALL NOT OVERRIDE PLATES OF PARTY OR DIVISION WALLS. KNOT HOLES, WARPED
<br />LUMBER, SPLINTERED WOOD, SPLICES, CHIPS AND SAWCUTS SHALL NOT BE PERMITTED AT VERTICAL
<br />OR HORIZONTAL PARTY WALL CONNECTIONS.
<br />B. FRAMING AT BUILT-UP CORNERS AND JOISTS TO WALL CONNECTIONS ALONG PARTY WALLS SHALL
<br />FIT TIGHTLY WITHOUT AIR GAPS. SPECIAL CARE SHALL BE TAKEN SO THAT DRY WALL NAILER
<br />BLOCKING MEETS THIS CONDITION BETWEEN JOISTS.
<br />C. CONCRETE POUR MATERIAL SHALL NOT FLOW ONTO PARTY WALL SOLE PLATES. CONCRETE SHALL
<br />NOT BE POURED ONTO OR INTO PARTY WALL SEPARATION CAVITIES BETWEEN PLATES.
<br />D. REFER TO INSULATION SCHEDULE FOR ACOUSTIC INSULATION REQUIREMENTS. ALL WALL
<br />INSULATION SHALL BE SNUGLY FITTED AND/OR STAPLED BETWEEN STUDS.
<br />E. GYPSUM WALLBOARD SHALL CONTINUE TO THE ROOF LINE ON ONE SIDE OF THE WALL TO AVOID
<br />FLANKING OF SOUND THROUGH THE ATTIC SPACE. GYPSUM WALLBOARD SHALL BE INSTALLED TO
<br />MAINTAIN A 1/4" GAP AT ALL PARTY OR DIVISION WALL PERIMETERS AND FILL THE GAP WITH
<br />PERMANENTLY NON-HARDENING FIRE RATED ACOUSTICAL SEALANT IN TUBE.
<br />F. WHERE TWO LAYERS OF GYPSUM WALLBOARD ARE REQUIRED ON ONE SIDE OF A COMMON WALL,
<br />THE JOINTS BETWEEN THE SECOND LAYER OF WALLBOARD MUST BE STAGGERED WITH RESPECT TO
<br />THE JOINTS OF THE FIRST LAYER. I.E., THE JOINTS MUST NOT OVERLAP.
<br />G. NO MATERIALS SHALL BE ALLOWED IN THE AIR SPACE BETWEEN THE DOUBLE STUD ASSEMBLY AT
<br />DEMISING WALLS. NO GUSSETS ACROSS THE STUDS THAT ARE STEEL, WOOD OR ANY OTHER HARD
<br />MATERIAL.
<br />H. THE ATTACHMENT OF THE GYPSUM BOARD TO THE STUDS, RESILIENT CHANNEL OR ANY OTHER
<br />SURFACE MUST USE THE MINIMUM NUMBER OF SCREWS. SCREWS THAT ARE NOT REQUIRED SHOULD
<br />BE REMOVED.
<br />2. FLOOR/CEILING REQUIREMENTS:
<br />A. REFER TO INSULATION SCHEDULE FOR ACOUSTIC INSULATION REQUIREMENTS. ALL FLOOR/CEILING
<br />INSULATION SHALL BE SNUGLY FITTED AND/OR STAPLED BETWEEN JOISTS.
<br />B. GYPSUM WALLBOARD AT FLOOR CEILING ASSEMBLIES SHALL BE INSTALLED TO MAINTAIN A 1/4" GAP
<br />AT PERIMETERS. FILL GAP WITH PERMANENTLY NON-HARDENING FIRE RATED ACOUSTICAL SEALANT
<br />IN TUBE.
<br />C. SEALANT FOR ALL FLOOR/CEILING ASSEMBLIES SHALL BE INSTALLED IN STRICT CONFORMANCE
<br />WITH MANUFACTURERS SPECIFICATIONS.
<br />D. RESILIENT CHANNELS(WHERE USED)SHALL NOT BE OVERLAPPED OR BUTTED AGAINST EACH
<br />OTHER OR TO A WALL.
<br />E. WALLS SHALL BE INSTALLED BEFORE THE RESILIENT CHANNELS TO ENSURE THAT THE CHANNELS
<br />REMAIN TO THE OUTSIDE OF THE WALL TO ALLOW THE CEILING TO 'FLOAT' OR MOVE VERTICALLY
<br />WITHOUT HINDRANCE.
<br />3. SEALANT:
<br />A. THE INTENT OF THESE RECOMMENDATIONS IS TO INSURE THAT AN AIR TIGHT COMMON PARTITION
<br />CONSTRUCTION IS MAINTAINED. A 1 SQ. IN. HOLE, CRACK OR GAP IN A 100 SQ. FT. WALL WILL REDUCE
<br />THE STC RATING BY 10 POINTS AS COMPARED TO THE SAME WALL WITH AN AIR TIGHT CONSTRUCTION.
<br />THUS, THE IMPORTANCE OF PERFORMING CAULKING AND SEALING COMPLETELY AND PRECISELY
<br />CANNOT BE OVEREMPHASIZED.
<br />B. ACOUSTICAL SEALANT SHALL BE NON-SKINNING, NON-HARDENING, PERMANENTLY FLEXIBLE
<br />SEALANT SPECIFICALLY DESIGNED FOR SEALING GYPSUM WALLBOARD (ASTM C919). SEALANT SHALL
<br />BE CAPABLE OF SPANNING 1/2" WIDE BY 3/8" DEEP GAPS. ACCEPTABLE PRODUCTS INCLUDE; TREMCO
<br />OR USG SEALANT (OR APPROVED EQUAL). SEALANT SHALL BE INSTALLED IN STRICT CONFORMANCE
<br />WITH MANUFACTURER'S SPECIFICATIONS.
<br />C. IF MULTIPLE LAYERS OF WALLBOARD ARE APPLIED TO A WALL SURFACE. THE GAP AT THE
<br />PERIMETER MUST BE INSTALLED AT EACH LAYER, BUT SEALANT IS ONLY REQUIRED AT THE OUTER
<br />LAYER.
<br />D. AT ALL PENETRATIONS IN COMMON WALLS OR COMMON CEILINGS FOR SUCH ITEMS AS ELECTRICAL
<br />BOXES, LIGHT FIXTURES, PLUMBING LINES, ETC.., LEAVE A 3/16" TO 1/4" GAP IN THE WALLBOARD
<br />AROUND THE FIXTURE AND THEN FILL THE GAP ACOUSTICAL SEALANT. IN ADDITION, THE BACKS OF
<br />ALL ELECTRICAL BOXES, TELEPHONE BOXES, MEDICINE CABINETS, AND OTHER THIN WALLED ITEMS
<br />INSET INTO A COMMON WALL MUST BE COVERED WITH AN AIRTIGHT GYPSUM WALLBOARD HOUSING
<br />OR WITH HEAVY MASTIC MATERIAL SUCH AS LOWRY PADS.
<br />4. RESILIENT CHANNEL ASSEMBLIES:
<br />A. RESILIENT CHANNELS SHALL BE CLARK DIETRICH RCSD, NO SUBSTITUTIONS. USE THE LIGHTEST
<br />GAUGE CHANNELS ALLOWABLE, HOWEVER PRIMARY CONSIDERATION SHALL BE TO BOTH
<br />STRUCTURAL AND FIRE RESISTIVE REQUIREMENTS. DO NOT USE "DOUBLE-LEG" RESILIENT CHANNELS.
<br />CONTRACTOR SHALL CLEARLY MARK JOIST LOCATIONS SUCH THAT SCREWING PATTERNS CAN BE
<br />SHOWN TO NOT INTERSECT JOIST LOCATIONS.
<br />B. ATTACHING CHANNELS: ORIENT CHANNELS PERPENDICULAR TO FRAMING AND WITH FLANGES
<br />FACING IN ONLY ONE DIRECTION. ATTACH CHANNELS AT SPACINGS AND WITH FASTENERS DENOTED
<br />IN THE FIRE TEST ASSEMBLY. USE THE PRE-DRILLED MOUNTING HOLES IN THE CHANNELS FOR
<br />ATTACHMENT TO THE STUDS OR JOISTS. LOCATE CHANNELS A MAXIMUM OF 3" AND HOLD BACK ENDS
<br />1/2" FROM INTERSECTING SURFACES. PROVIDE SUFFICIENT FRAMING SO CHANNELS ARE NOT
<br />CANTILEVERED GREATER THAN 6". CHANNELS MUST NOT CROSS EACH OTHER UNDER ANY
<br />CIRCUMSTANCE. CHANNELS MAY ONLY BE OVERLAPPED AT SPLICES. SPLICE CHANNELS ONLY AT
<br />FRAMING WITH A MAXIMUM OVERLAP OF 1.5" AND SCREW ATTACH THROUGH BOTH FLANGES.
<br />C. ATTACHING GYPSUM WALLBOARD: APPLY GYPSUM WALLBOARD AT A MAXIMUM PRACTICAL LENGTH
<br />WITH THE LONG EDGE PARALLEL WITH AND CENTERED ON CHANNELS. FASTEN GYPSUM WALLBOARD
<br />AT SPACINGS AND WITH FASTENERS DENOTED IN THE FIRE TEST ASSEMBLY. NAILING RESILIENT
<br />CHANNELS IS NOT PERMITTED. FASTENERS SHALL ONLY BE ATTACHED TO THE CHANNELS AND NOT
<br />THE FRAMING. INSTALL GYPSUM WALLBOARD TO ALLOW FOR A 1/4" GAP FROM INTERSECTING
<br />SURFACES. WHEN CONSTRUCTION OF MULTIPLE LAYERS OF GYPSUM WALLBOARD IS INDICATED,
<br />APPLY THE FACE LAYER WITH THE LONG EDGE JOINTS OFFSET BY 24" AND THE SHORT EDGE JOINTS
<br />OFFSET BY 48" FROM THE BASE LAYER. ADDITIONALLY, OFFSET THE FACE LAYER SCREW PATTERN 6"
<br />FROM THE BASE LAYERS SCREWS ALONG THE CHANNELS.
<br />D. SEALANT: SEAL ALL PERIMETER JOINTS OF RESILIENT ASSEMBLIES AIRTIGHT WITH APPROVED
<br />ACOUSTICAL SEALANT.
<br />E. BASEBOARD AND TRIM: DO NOT RIGIDLY ATTACH BASEBOARD OR OTHER FINISH TRIM TO
<br />UNDERLYING FRAMING THROUGH RESILIENT ASSEMBLIES. SCREW ATTACH BASEBOARD OR OTHER
<br />FINISH TRIM TO RESILIENT CHANNELS. ADHERING FINISH TRIM IS AN ACCEPTABLE ALTERNATIVE.
<br />F. CONTRACTOR SHALL CLEARLY MARK JOIST LOCATIONS SUCH THAT SCREWING PATTERNS CAN BE
<br />SHOWN TO NOT INTERSECT JOIST LOCATIONS.
<br />5. PLUMBING:
<br />A. IN ORDER TO MINIMIZE OR ELIMINATE FLOW NOISE AT ALL WATER, WASTE, DRAIN AND
<br />REFRIGERANT PIPING CONTRACTOR IS TO PROVIDE VIBRATION ISOLATION.
<br />i) SUPPLY PIPING 1" DIAMETER OR SMALLER SHALL BE INSTALLED WITH ISOLATOR HOLDERS AND
<br />GUIDES.
<br />ii) SUPPLY AND WASTE PIPING MORE THAN 1" IN DIAMETER SHALL BE INSTALLED WITH PILE ISOLATORS
<br />iv) REFRIGERANT LINES SHALL BE ISOLATED BY INSULATING THE ENTIRE LENGTH OF THE LINE WITH A
<br />MINIMUM OF 1/2" "ARMAFLEX" (OR APPROVED EQUAL). PLACE CLAMPS OVER THE INSULATION WHEN
<br />ATTACHING TO THE STRUCTURE SO THAT THERE IS NO DIRECT CONTACT BETWEEN THE PIPING AND
<br />THE STRUCTURE. MAINTAIN A 2" CLEARANCE BETWEEN THE REFRIGERANT LINES AND THE GYPSUM
<br />WALLBOARD.
<br />B. PIPING THROUGH BEDROOMS, LIVING ROOMS AND DINING ROOMS SHALL BE INSTALLED TO
<br />MAINTAIN A 2" MINIMUM CLEARANCE FROM GYPSUM WALLBOARD. SUPPLY PIPING ROUTED
<br />DIRECTLY ACROSS PARTY WALLS SHALL NOT BE PERMITTED. IN NO CASE SHALL THE
<br />PLUMBING PIPING OF ONE DWELLING UNIT BE CLOSER THAN 1" FROM ANOTHER DWELLING
<br />UNIT.
<br />C. AT A MIN. PROVIDE PIPING SUPPORT PER PLUMBING CODE (SEE PLUMBING DRAWINGS). THE
<br />PLUMBING PIPING, PIPE CONNECTIONS, PIPE HANGERS, OR VALVES, SHALL NOT MAKE
<br />CONTACT WITH ANY PART OF THE SURROUNDING STRUCTURE, JOISTS, STUDS, WALLBOARD
<br />OR OTHER PIPES. PIPING AND/OR DUCTING WITHIN FLOOR/CEILING ASSEMBLIES SHALL BE
<br />SUPPORTED FROM THE JOISTS AND COMPLETELY ISOLATED FROM THE CEILING.
<br />D. IN OTHERWISE UN-INSULATED STUD BAY OR JOIST CAVITY CONTAINING PIPING INSTALL A
<br />MINIMUM OF 3 1/2" ACOUSTIC BATT INSULATION OR OTHER SOUND ABSORPTIVE MATERIAL.
<br />E. WATER PRESSURE CONTROL; GENERAL CONTRACTOR TO CONFIRM THAT WATER SUPPLY
<br />PIPING INSTALLED WILL MAINTAIN A MAXIMUM WATER FLOW RATE OF 8 FEET PER SECOND IN
<br />1/2" AND 3/4" DIAMETER BRANCH LINES. FOR LARGER LINES THE MAXIMUM FLOW RATE SHALL
<br />BE 5 FEET PER SECOND. MAINTAIN A MAXIMUM OF 50 PSI WATER PRESSURE AT PLUMBING
<br />FIXTURES, CONSISTENT WITH ADEQUATE FLOW RATES.
<br />F. ACOUSTICAL (FIRE STOPPING) SEALANT SHALL BE INSTALLED AT ALL PIPE PENETRATIONS
<br />AS DESCRIBED ABOVE.
<br />G. FOR ADDITIONAL INFORMATION, SEE ACOUSTICAL REPORT "APPENDIX C"
<br />H. ROUTING OF SERVICES IN ANY UNIT SHALL BE COMPLETED TO AVOID AREAS OF ACOUSTIC
<br />SENSITIVITY INCLUDING BEDROOMS, LIVING ROOMS AND DINING ROOMS. IF SERVICES ARE
<br />INSTALLED AND CAN BE RE-ROUTED IN A MANNER TO AVOID SENSITIVE LOCATIONS, THIS MAY
<br />BE REQUESTED AND REQUIRED.
<br />J. NO PLUMBING MANIFOLDS, IF EMPLOYED, SHALL BE INSTALLED IN OR ABOVE
<br />ACOUSTICALLY SENSITIVE SPACE.
<br />K. GENERAL. THERE SHOULD BE NO CONTACT BETWEEN THE PIPING FOR THE BUILDING AND
<br />OTHER SYSTEMS OR EACH OTHER. IF CONTACT IS UNAVOIDABLE, THEN THE CONTRACTOR
<br />SHOULD USE 1/4" FELT EQUAL TO HUBBARD HOLDRITE FELT 100.
<br />L. AT WASTE PIPING, ALL WILL BE ISOLATED FROM THE STRUCTURE USING A MINIMUM OF 1/4"
<br />MATERIAL AND EQUIVALENT TO HUBBARD HOLDRITE SILENCER SERIES FELT 100. THE FELT
<br />WILL NOT BE CRUSHED. IF VERTICAL SUPPORT IS REQUIRED, NEOPRENE PADS WILL BE USED
<br />AT CLAMP LOCATIONS. THESE SHALL BE EQUAL TO HUBBARD HOLDRITE SILENCER SERIES
<br />276.
<br />M. ALL SUPPLY PIPING SHALL BE ACOUSTICALLY VIBRATION ISOLATED FROM THE STRUCTURE
<br />USING HUBBARD HOLDRITE SILENCER SERIES FELT 100 OR EQUAL. THE FELT WILL NOT BE
<br />CRUSHED. IF VERTICAL SUPPORT IS REQUIRED, NEOPRENE PADS WILL BE USED AT CLAMP
<br />LOCATIONS. THESE SHALL BE EQUAL TO HUBBARD HOLDRITE SILENCER SERIES 276.
<br />N. ALL EQUIPMENT AND PIPING SHALL BE ISOLATED FROM THE STRUCTURE. PUMPS WILL BE
<br />ISOLATED WITH A SPRING HAVING 1" MINIMUM STATIC DEFLECTION AND EQUAL TO MASON
<br />INDUSTRIES. MAIN PIPES WILL BE ISOLATED USING HUBBARD HOLRITE SILENCER SERIES
<br />ISOLATORS EXCLUDING FLET.
<br />6. MECHANICAL:
<br />A. WHEN LOCATED OVER DWELLING UNIT, MOUNT ROOFTOP CONDENSING EQUIPMENT ON
<br />NEOPRENE PADS (MASON INDUSTRIES TYPE SUPER W HAVING 0.06" OF STATIC DEFLECTION)
<br />OVER 3" MINIMUM LIGHTWEIGHT CONCRETE. IF UNITS ARE LOCATED ABOVE BEDROOM OR
<br />LIVING ROOMS, ISOLATOR SHALL BE 1" DEFLECTION STEEL SPRING EQUAL TO MASON SLR AND
<br />THE CEILING IN THE UNIT CEILING SHALL INCLUDE INSTALLATION OF RESILIENT CHANNEL. USE
<br />SLACK CABLE RESTRAINTS OR SEPARATE SEISMIC SNUBBERS TO LIMIT HORIZONTAL
<br />MOVEMENT. MECHANICAL CONTRACTOR SHALL CONSULT AN INDEPENDENT STRUCTURAL
<br />ENGINEER FOR APPROPRIATE SEISMIC RESTRAINT SYSTEM DESIGN. ROOFTOP EQUIPMENT
<br />SHALL BE INSTALLED ON CONCRETE HOUSEKEEPING PADS.
<br />B. INSTALL SUSPENDED MECHANICAL UNITS SUCH AS FAN/COIL OR IN-LINE FANS ON A
<br />MINIMUM OF 1" STATIC DEFLECTION SPRING HANGERS SUCH AS MASON TYPE 30N (OR
<br />APPROVED EQUAL). DO NOT ALLOW DIRECT CONTACT BETWEEN THE MECHANICAL UNIT AND
<br />THE STRUCTURE OR OTHER ADJACENT UTILITIES. MAINTAIN A MINIMUM OF 2" CLEARANCE
<br />BETWEEN THE REFRIGERANT LINES AND GYPSUM WALLBOARD SURFACES.
<br />C. AT A MIN. PROVIDE BATHROOM EXHAUST FANS WITH A NOISE RATING LOWER THAN 1.5
<br />SONES. NOTE THAT FAN SOUND RATINGS TYPICALLY ASSUME 10 FEET OF STRAIGHT DUCT
<br />ATTACHED TO THE FAN. WHERE CONDITIONS VARY FROM THIS ASSUMPTION, PROVIDE FANS
<br />WITH LOWER SOUND RATINGS. MANY BATHROOM FANS ARE AVAILABLE WITH SOUND
<br />RATINGS BELOW 1.0 SONE. BATHROOM FAN HOUSINGS WHICH ARE MOUNTED WITHIN A
<br />SEPARATION ASSEMBLY SHALL BE BOXED IN WITH 5/8" GYPSUM BOARD, SEALED AIR TIGHT
<br />AND SURROUNDED WITH FIBERGLASS OR EQUIVALENT SOUND ABSORPTIVE MATERIAL.
<br />D. AT INSIDE OF RESIDENTIAL UNITS, GRILLS, REGISTERS AND DIFFUSERS SHOULD HAVE A
<br />RATING NO GREATER THAN NC 30.
<br />7. ELECTRICAL:
<br />A. CONVENIENCE OUTLETS IN OPPOSITE FACES OF PARTY OR DIVISION WALLS SHALL BE
<br />INSULATED AS FOLLOWS:
<br />i) ELECTRICAL BOXES (SWITCHES, OUTLETS, WALL FIXTURES, ETC., IN OPPOSITE FACES OF
<br />PARTY OR DIVISION WALLS SHALL BE SEPARATED HORIZONTALLY BY NOT LESS THAN 24
<br />INCHES (I.E., IN DIFFERENT STUD BAYS). IN THE EVENT IT IS NOT PRACTICAL OR POSSIBLE TO
<br />PLACE OUTLETS IN DIFFERENT STUD BAYS, THEY SHALL BE SEPARATED FROM EACH OTHER
<br />AS MUCH AS POSSIBLE AND IN NO CASE SHALL THERE BE PHYSICAL CONTACT BETWEEN THE
<br />TWO ELECTRICAL BOXES. HOWEVER, THE FOLLOWING ITEMS ARE APPLICABLE IN ALL CASES.
<br />ii) MASTIC SEALER (LOWRY PADS OR APPROVED EQUAL) SHALL BE WRAPPED AROUND BACK
<br />SIDES, TOP AND BOTTOM OF ALL ELECTRICAL BOXES IN PARTY WALLS.
<br />iii) ELECTRICAL BOXES SHALL BE BACKED BY R-11 FIBERGLASS AS NEEDED TO COMPLETELY
<br />FILL THE STUD BAY.
<br />iv) KNOCKOUT PLATES ON ELECTRICAL BOXES IN PARTY OR DIVISION WALLS SHALL NOT BE
<br />BENT OR REMOVED WHERE CONDUITS ARE NOT CONNECTED TO THE BOX.
<br />B. RECESSED LIGHT FIXTURES IN CEILINGS SHALL HAVE NO VENTILATION HOLES. JUNCTION
<br />BOXES IN CEILINGS SHALL BE WRAPPED AROUND BACK AND SIDES WITH LOWRY PADS (OR
<br />APPROVED EQUAL)AND SEALED AIRTIGHT WITH ACOUSTICAL SEALANT.
<br />8. KITCHENS, BATHROOMS AND LAUNDRY ROOMS:
<br />A. THE PARTY WALL BEHIND A TUB AND/OR SHOWER ASSEMBLY SHALL BE CONSTRUCTED
<br />CONSISTENT WITH THE PARTY WALL SPECIFICATIONS. GYPSUM WALLBOARD SHALL BE
<br />INSTALLED BEHIND ALL TUBS AND/OR SHOWERS WHICH ARE ADJACENT TO PARTY WALLS.
<br />B. VOIDS BETWEEN THE WALL, FLOOR AND TUB/SHOWER UNITS SHALL BE COMPLETELY FILLED
<br />WITH A FIBERGLASS INSULATION OR EQUIVALENT SOUND ABSORPTIVE MATERIAL.
<br />C. FLEXIBLE HOSE COUPLINGS FOR INLET AND OUTLET WATER CONNECTIONS ON THE
<br />DISHWASHER SHALL BE INSTALLED SO THAT NO RIGID CONNECTION EXISTS.
<br />9. FLOOR COVERINGS:
<br />A. IF A RESILIENT VINYL FLOOR COVERING IS USED, A DURABLE BRAND OF VINYL MEETING
<br />RESILIENT FLOOR COVERING COMMITTEE F6 AT THE AMERICAN SOCIETY FOR TESTING AND
<br />MATERIALS (ASTM) REQUIREMENTS SHALL BE PROVIDED.
<br />B. REFER TO FINISH SCHEDULE FOR SPECIFICATION OF ACOUSTIC UNDERLAYMENTS AT TILE
<br />FLOORING ASSEMBLIES.
<br />1. DESIGN OF WALL CONSTRUCTION WOULD BE TYPICALLY DOUBLE STUD AND EQUAL TO THE
<br />DEMISING WALL, MINIMUM.
<br />2. VIBRATION ISOLATION OF THE HYDRAULIC PUMP SHOULD BE INCLUDED, WHICH SHOULD BE 1
<br />INCH STATIC DEFLECTION SPRINGS EQUAL TO MASON INDUSTRIES TYPE SLR.
<br />3. THE SOUND LEVEL OF THE ELEVATOR EQUIPMENT (INCLUDING THE PUMP) IN ANY ELEVATOR
<br />EQUIPMENT ROOM SHOULD BE NO GREATER THE 70 dBA
<br />4. THE ENTRY DOOR ASSEMBLY TO ANY ELEVATOR EQUIPMENT ROOM SHOULD STC 33. THIS IS NOT
<br />REQUIRED WHEN THE ELEVATOR EQUIPMENT ROOMS ARE IN THE GARAGE.
<br />5. THE ROLLER GUIDE ASSEMBLIES SHOULD BE RESILLIENT AND SIMILAR TO ELSCO MODEL C.
<br />6. IF HYDRAULIC ELEVATORS ARE INSTALLED, THEN A MUFFLER SHOULD BE INSTALLED EQUAL TO A
<br />MCLEAN THE SUPPRESSOR.
<br />7. THE ALIGNMENT OF THE RAILS SHOULD BE SMOOTH AND SHOULD BE REQUIRED TO BE 1/16 INCH.
<br />ISOLATEK INTERNATIONAL "CAFCO SPRAYFILM WB-3" & "WB-5" INTUMESCENT
<br />FIRE RESISTIVE COATING, OR EQUAL
<br />I.C.C. REPORT ESR-1092
<br />NOTES:
<br />STRUCTURAL COLUMNS PER CBC 722.5.1.1
<br />HORIZONTAL STRUCTURAL MEMBERS WHICH SUPPORT A LOAD OF MORE THAN ONE STORY
<br />REQUIRE AN ADDITIONAL FIRE PROTECTION PER CBC 722.5.2.
<br />SEE STRUCTURAL PLANS FOR STEEL BEAM AND COLUMN SIZES AND LOCATIONS
<br />VERIFY ALL COATING THICKNESS REQUIREMENTS WITH COATING MANUFACTURER
<br />SPECIAL INSPECTION IS REQUIRED FOR ALL SPRAYED APPLIED FIRE PROTECTION
<br />FOR FIRE-RESISTANCE RATING REQUIREMENTS FOR BUILDING ELEMENTS, SEE SHEET
<br />1.
<br />2.
<br />3.
<br />4.
<br />5.
<br />6.GEN-3
<br />-FIRE BLOCKS
<br />REQUIRED LOCATIONS:
<br />1. CONCEALED SPACES OF WALLS AND PARTITIONS, INCLUDING FURRED SPACES, AT 10'-0" INTERVALS BOTH HORIZONTAL AND VERTICAL.
<br />2. AT INTERSECTIONS BETWEEN VERTICAL AND HORIZONTAL
<br />3. AT CONCEALED SPACES BETWEEN STAIR STRINGERS AT TOP AND BOTTOM OF STAIR RUN.
<br />4. IN OPENINGS AROUND PIPES, DUCTS, CHIMNEYS, FIREPLACES AT CEILINGS AND FLOORS.
<br />CONSTRUCTION:
<br />1. 2" NOMINAL LUMBER, OR 2 LAYERS OF 1" LUMBER WITH BROKEN LAPS, OR 1 LAYER OF 3/4" STRUCTURAL PANEL WITH JOINTS BACKED BY 3/4"
<br />STRUCTURAL PANEL
<br />2. GYPSUM BOARD, CEMENT FIBER BOARD
<br />3. BLANKETS OF MINERAL FIBER (IF TESTED FOR USE). (NO LOOSE FILL INSULATION).
<br />DRAFTSTOPS
<br />REQUIRED LOCATIONS:
<br />1. IN FLOOR CEILING ASSEMBLIES TO BREAK THE AREA INTO 3000 SQ. FT. AREAS SO THAT NO DIMENSION EXCEEDS 100'-0".
<br />2. DRAFT STOPS ARE ALSO REQUIRED AT ATTICS, MANSARDS, OVERHANGS, AND OTHER CONCEALED SPACES. THE DRAFTSTOPS SHALL BE IN LINE
<br />WITH THE WALLS SEPARATING THE UNITS AND FROM OTHER USES. THEY SHALL BE INSTALLED TO BREAK DOWN AREAS INTO 9000 SQ.FT AREAS WITH
<br />100 FOOT MAXIMUM DIMENSIONS.
<br />CONSTRUCTION:
<br />1. DRAFTSTOPPING MATERIALS SHALL NOT BE LESS THAN 5/8" GYPSUM BOARD, 3/8" STRUCTURAL PANELS OR PARTICLE BOARD.
<br />2. ANY OPENINGS THROUGH THE DRAFTSTOPS SHALL BE PROTECTED BY SELF-CLOSING DOORS WITH AUTOMATIC LATCHES. VENTILATION FOR THE
<br />SPACES SHALL BE MAINTAINED.
<br />FIRE BLOCKING MUST BE PROVIDED IN ACCORDANCE WITH SECTION 718 AT THE FOLLOWING LOCATIONS:
<br />A. IN CONCEALED SPACES OF STUD WALLS AND PARTITIONS, INCLUDING FURRED SPACES, AT THE CEILING AND FLOOR LEVELS. (718.2.2)
<br />B. IN CONCEALED SPACES OF STUD WALLS AND PARTITIONS, INCLUDING FURRED SPACES, AT 10-FOOT INTERVALS ALONG THE LENGTH OF THE
<br />WALL. (718.2.2)
<br />C. AT ALL INTERCONNECTIONS BETWEEN CONCEALED VERTICAL AND HORIZONTAL SPACES SUCH AS OCCUR AT SOFFITS, DROP CEILINGS,
<br />COVE CEILINGS AND SIMILAR LOCATIONS. (718.2.3)
<br />D. IN CONCEALED SPACES BETWEEN STAIR STRINGERS AT THE TOP AND BOTTOM OF THE RUN AND BETWEEN STUDS ALONG AND IN LINE WITH
<br />THE RUN OF STAIRS IF THE WALL UNDER THE STAIRS IS UNFINISHED. (718.2.4)
<br />E. IN OPENINGS AROUND VENTS, PIPES, DUCTS, CHIMNEYS, FIREPLACES AND SIMILAR OPENINGS WHICH AFFORD A PASSAGE FOR FIRE AT CEILING
<br />AND FLOOR LEVELS, WITH NONCOMBUSTIBLE MATERIALS. (718.2.5)
<br />GENERAL NOTES
<br />1. INSULATION INSTALLED IN A FLOOR/CEILING OR ROOF/CEILING ASSEMBLY SHALL BE SUPPORTED BY WIRE STAYS (OR
<br />EQUAL) SO THAT THE INSULATION DOES NOT MAKE CONTACT WITH THE FACE MEMBRANE OF THE ASSEMBLY (GYPSUM
<br />WALLBOARD).
<br />2. MATERIAL NOTED AS S.A.B. REFERS TO SOUND ATTENUATION BATT.
<br />3. INSULATION SCHEDULED FOR COMMON WALL UNIT TO UNIT SHALL BE INSTALLED IN EACH SIDE OF THE WALL ASSEMBLY.
<br />4. ALL INTERIOR WALL CAVITY SPACES TO RECEIVE INSULATION. THE INSULATION SHALL BE THE DEPTH OF THE STUD.
<br />5. FOR DETAILED INFORMATION INCLUDED MANDATORY MEASUREMENTS, SEE MECHANICAL DRAWINGS.
<br />6. REFER THE PROJECT MANUAL SPECIFICATION "APPENIX C" FOR THE ACOUSTICAL GENERAL REPORT FOR MORE
<br />INFORMATION REGARDING ACOUSTICAL INSULATION.
<br />7. BATT INSULATION R-19 ( 6 1/2" THICK) REQUIRED AT FLOOR/CEILING ASSEMBLIES THAT ARE OVER UNCONDITIONED SPACE
<br />OR AMBIENT AIR WHEN UNITS ARE LOCATED RIGHT ABOVE THE SPACE.
<br />8. PROVIDE INSULATION (PACKED) AT FLOOR/CEILING ASSEMBLY ABOVE PARKING LEVEL 1.
<br />9. IN DEMISING CONSTRUCTION, INSULATION SHALL BE IN THE WALL AND JOIST CAVITY. THIS SHALL INCLUDE DEMISING
<br />WALLS, CORRIDOR WALLS, SHAFT WALLS, EXTERIOR WALLS AND FLOOR CEILING ASSEMBILIES. INSULATION SHALL BE THE
<br />DEPTH OF THE CAVITY IN THE WALLS.
<br />10. WALLS INCLUDING PLUMBING OR MECHANICAL SERVICES SHALL ALSO INCLUDE INSULATION. INSULATION SHALL BE THE
<br />DEPTH OF THE CAVITY. INTRACORP SHALL NOT REQUIRE INSULATION IN WALLS WITH ELECTRICAL SERVICES UNLESS
<br />SPECIFICALLY CALLED OUT ON THE DRAWINGS.
<br />11. GYPSUM BOARD SHALL BE SCREWED, NOT NAILED. ANY GYPSUM BOARD DAMAGED MAY BE REQUIRED TO BE REMOVED
<br />BY THE ACOUSTICAL ENGINEER. VA COULD NOT LOCATE
<br />12. IN A DEMISING WALL CONDITION, CONDUIT (AND ALL OTHER SERVICES INCLUDING MECHANICAL, ELECTRICAL AND
<br />PLUMBING) SHALL BE RUN ON THE STUD SIDE SERVED. THIS WILL REQUIRE THE DRILLING OF STUDS TO ACCOMODATE.
<br />13. IN DEMISING WALL, NO SERVICE, WIRE OR CONDUIT SHALL BE INSTALLED INTO THE AIR SPACE BETWEEN THE STUDS.
<br />14. ALL SERVICES RUN IN THE ATTIC OR ROOF JOISTS SHALL BE INSTALLED AS HIGH IN THE JOIST BAY AS POSSIBLE.
<br />15. IN LIVING ROOM, DINING ROOMS AND BEDROOMS EXTRA SENSITIVITY TO THE ROUTING OF SERVICES SHOULD BE
<br />EMPLOYED. IF THERE IS ANY QUESTION REGURADING THE ROUTING THROUGH THESE AREAS, CONTRACTOR SHOULD ASK
<br />ARCHITECT OR ACOUSTICAL CONSULTANT.
<br />16. INSTALLATION OF GYPSUM BOARD AND ALL ACOUSTICAL MATERIALS SHALL BE COMPLETED IN ACCORDIANCE WITH THE
<br />APPROPRIATE UL RATING, THE USG CONSTRUCTION HANDBOOK, MANUFACTURER REQUIREMENTS AND PRACTICES AND
<br />ASTM PRACTICE STANDARDS FOR LIGHT WALL CONSTRUCTION. IF THESE REQUIREMENTS CONTRADICT METHODS WITHIN
<br />THIS DOCUMENT, THEN DURING DESIGN THE METHOD SHOULD BE DISCUSSED. IF THIS OCCURS DURING CONSTRUCTION, AN
<br />RFI SHOULD BE PREPARED AND DISCUSSED. PRACTICES UTILIZED BY CONTRACTORS SHALL ALWAYS BE THOSE THAT
<br />MAXIMIZE ACOUSTICAL PERFORMANCE.
<br />17. TAPERED RIGID INSULATION AT THE ROOF SHALL PROVIDE THE MINIMUM SPECIFIED "R" VALUE AS INDICATED IN THE
<br />SCHEDULE. THE MINIMUM THICKNESS INDICATED IS BASED ON THE ASSUMPTION OF INSULATION PRODUCT WITH AN R-VALUE
<br />OF 5. ACTUAL THICKNESS MAY BE ADJUSTED BASED ON THE R-VALUE PER INCH OF THE PROVIDED INSULATION PRODUCT.
<br />THERMAL INSULATION ACOUSTIC INSULATION
<br />ASSEMBLY THICKNESS MATERIAL R-VALUE THICKNESS MATERIAL
<br />ROOF LEVEL ROOF/CEILING 6" MIN.*17 RIGID R-30
<br />FLOOR/CEILING SEE GENERAL NOTE #7 3 1/2" S.A.B.
<br />DROP CEILING 3 1/2" S.A.B.
<br />EXTERIOR WALL 6 1/2" BATT R-19 S.A.B.
<br />PARTY WALL (UNIT/UNIT)3 1/2" MIN. S.A.B.
<br />CORRIDOR WALL 3 1/2" BATT R-13 3 1/2" MIN. S.A.B.
<br />INTERIOR PLUMBING WALL 3 1/2" MIN. S.A.B.
<br />INTERIOR SHAFT WALLS 2 1/2" MIN. S.A.B.
<br />LEVEL 3-5 ROOF/CEILING 9 1/2" BATT R-30
<br />FLOOR/CEILING 3 1/2" S.A.B.
<br />DROP CEILING 3 1/2" S.A.B.
<br />EXTERIOR WALL 6 1/2" BATT R-19
<br />PARTY WALL (UNIT/UNIT)3 1/2" MIN. S.A.B.
<br />CORRIDOR WALL 3 1/2" BATT R-13 3 1/2" MIN. S.A.B.
<br />INTERIOR PLUMBING WALL 3 1/2" MIN. S.A.B.
<br />INTERIOR SHAFT WALLS 2 1/2" MIN. S.A.B.
<br />LEVEL 1-2 GARAGE CEILING 9 1/2" BATT R-30
<br />RESID. UNIT EXTERIOR WALL 6 1/2" BATT R-19
<br />PARTY WALL (UNIT/PARK) 6 1/2" BATT R-19
<br />PARTY WALL (UNIT/UNIT)3 1/2" MIN. S.A.B.
<br />CORRIDOR WALL 3 1/2" BATT R-13 3 1/2" MIN. S.A.B.
<br />INTERIOR PLUMBING WALL 3 1/2" MIN. S.A.B.
<br />INTERIOR SHAFT WALLS 2 1/2" MIN. S.A.B.ALL DRAWINGS AND WRITTEN MATERIAL APPEARING HEREIN CONSTITUTE THE ORIGINAL AND UNPUBLISHED WORK OF THE ARCHITECT AND THE SAME MAY NOT BE DUPLICATED, USED OR DISCLOSED WITHOUT THE WRITTEN CONSENT OF THE ARCHITECT.Job No.:
<br />Drawn:
<br />Checked:
<br />BID Date:411 EAST HUNTINGTON DRIVESUITE 308ARCADIA, CALIFORNIA 91006PHN: (626) 446-5300TAG design worksSHEET #
<br />SHEET TITLE:200 N. CABRILLO, SANTA ANA, CA 92701ARCHITECT:PROJECT ADDRESS:THE MADISON3/28/2022 DD SET
<br />4/22/2022 100% DD
<br />1 ST PLAN CHECK SUBMITTAL 25% CD SET 05/31/2022 Autodesk Docs://Santa Ana Madison Apartment/220101-Madison_Arch.rvt
<br />CONSTRUCTION
<br />ASSEMBLIES
<br />A7.0112" = 1'-0"1NOTES - CONST. ASSEMBLIES
<br />12" = 1'-0"2
<br />NOTES - ACOUSTICAL CONTROL
<br />REQUIREMENTS
<br />12" = 1'-0"3NOTES - ELEVATOR ACOUSTICS
<br />12" = 1'-0"4FIRE PROTECTION AT STEEL
<br />12" = 1'-0"5NOTES - FIRE BLOCKING+ DRAFTSTOPS
<br />12" = 1'-0"6NOTES - INSULATION SCHEDULE
<br />Date Issues / Revisions:
<br />
<br />
<br />City Council 29 – 125 11/19/2024
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