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301 N Broadway - Apt TI - Plan
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Last modified
2/13/2026 5:02:47 AM
Creation date
2/13/2026 5:00:39 AM
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Plan
Permit Number
101120329
Full Address
301 N Broadway
Street Number
301
Street Direction
N
Street Name
Broadway
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VD <br />VD <br />VD VD <br />NOTES: <br />1. PROVIDE DUCT LINER AND/OR EXTERNAL DUCT INSULATION AS NOTED ON PLANS OR IN SPECIFICATIONS. <br />2. PROVIDE HANGERS AND SEISMIC BRACING PER SMACNA AND BUILDING CODE REQUIREMENTS. <br />3. LOCATE MANUAL BALANCING DAMPERS IMMEDIATELY DOWNSTREAM OF EACH DUCT TAP. <br />4. CUSHION HEADS OR BULLHEAD TEES ARE NOT ALLOWED. <br />5. MAINTAIN MINIMUM 36" CLEARANCE BETWEEN LEADING OR TRAILING ELBOW JOINT AND DUCT TAP FITTINGS. <br />6. RADIUSED ELBOWS OR TURNING VANES REQUIRED ON RECTANGULAR DUCT SYSTEM ELBOWS. SINGLE THICKNESS <br />VANES UP TO 25" HEIGHT AND DOUBLE THICKNESS VANES IN DUCTS GREATER THAN 25" HEIGHT. <br />FLEXIBLE DUCT, 5' <br />MAX LENGTH <br />CONICAL OR LO-LOSS 45 <br />DEGREE BOOT FITTING WITH <br />VOLUME DAMPER <br />ROUND SHEET <br />METAL DUCT <br />SQUARE TO ROUND <br />TRANSITION <br />15 DEGREE TYPICAL, 30 <br />DEGREE MAXIMUM <br />TYPICAL SQUARE NECK <br />DIFFUSER. SIZE OF DUCT <br />DROP TO MATCH DIFFUSER <br />NECK SIZE.45 DEGREE LO- <br />LOSS BOOT TAP <br />OR CONICAL TAP <br />SPLITTER DAMPER WHERE SHOWN. <br />DO NOT USE ON VAV SYSTEMS <br />REDUCER TO MATCH DIFFUSER <br />NECK SIZE IF BRANCH DUCT IS <br />OVERSIZED. LOCATE AT <br />CONNECTION TO DIFFUSER. <br />MIN 36" BEFORE AND <br />AFTER ELBOW <br />VD <br />CENTERLINE RADIUS EQUALS <br />1.5 TIMES WIDTH <br />ROUND NECK <br />DIFFUSER (TYP) <br />VD <br />TRANSITION <br />AIR FLOW <br />"W" <br />VD <br />VD <br />NOTES: <br />1. PROVIDE DUCT LINER AND/OR EXTERNAL DUCT INSULATION AS NOTED ON PLANS OR IN SPECIFICATIONS. <br />2. PROVIDE HANGERS AND SEISMIC BRACING PER SMACNA AND BUILDING CODE. <br />3. LOCATE MANUAL BALANCING DAMPERS IMMEDIATELY DOWNSTREAM OF EACH DUCT TAP. <br />4. MAINTAIN MINIMUM 36" CLEARANCE BETWEEN LEADING OR TRAILING ELBOW JOINT AND DUCT TAP FITTINGS. <br />5. TURNING VANES REQUIRED ON RECTANGULAR DUCT SYSTEM ELBOWS. SINGLE THICKNESS VANES UP TO 25" HEIGHT AND DOUBLE <br />THICKNESS VANES IN DUCTS GREATER THAN 25" HEIGHT. RADIUSED ELBOWS MAY BE USED AS AN ALTERNATE. <br />6. NO TURNING VANES REQUIRED ON DUCT SIZES LESS THAN 180 SQ. IN. IF DUCT VELOCITY IS LESS THAN 1500 FPM. <br />CENTERLINE RADIUS EQUALS 1.5 TIMES <br />WIDTH. NO TURNING VANES REQUIRED, <br />UNLESS OTHERWISE NOTED. <br />SIZE OF DUCT DROP TO MATCH <br />NECK SIZE OF GRILLE (TYP) <br />15 DEGREE TYP 30 <br />DEGREE MAX <br />PROVIDE REDUCER UPSTREAM <br />OF BRANCH INLET <br />CONICAL OR LO-LOSS 45 <br />DEGREE FITTINGRADIUSED WYE BRANCHES. ALTERNATE: <br />SQUARE ELBOWS WITH TURNING VANES <br />ALLOWABLE WHERE DUCT VELOCITIES ARE <br />LESS THAN 1500 FPM. <br />PROVIDE REDUCER AT CONNECTION TO <br />GRILLE WHERE BRANCH DUCT IS <br />OVERSIZED <br />VD <br />MIN 36" BEFORE AND <br />AFTER ELBOW <br />USE 45 DEGREE <br />THROAT AT TAP <br />AIR FLOW <br />5'-0" MAX TO <br />STRUCTURAL <br />SUPPORT <br />REFER TO UPPER <br />ATTACHMENT DETAIL <br />1/4" SEISMIC RESTRAINT CABLE TO <br />STRUCTURE (TYP) <br />EXCESS CABLE <br />MIN 1" (TYP) <br />MECHANICAL FORGED WIRE <br />ROPE CLIP. INSTALL TWO PER <br />CABLE END (TYP) <br />3/8" DIA. BOLT, LOCKWASHER <br />AND NUT.REFER TO UPPER <br />ATTACHMENT DETAIL (TYP) <br />3/8" BOLT, LOCK WASHER <br />AND NUT. <br />1"x20GA STRAP <br />LESS THAN <br />28" DIA <br />1" MIN2-1/2"x12 GA STRAP <br />SHOWN WITH TRANSVERSE BRACING SHOWN WITH LONGITUDINAL BRACING <br />2x2X16 GA <br />ANGLE <br />NOTES: <br />1. HANGERS SHALL BE INSTALLED AT EVERY CHANGE OF DIRECTION AND NO MORE THAN 10'-0" APART. <br />2. PROVIDE A FLEXIBLE CONNECTION BETWEEN MECHANICAL EQUIPMENT AND DUCT. <br />3. STRAP MAY BE REDUCED TO 1"x22 GA FOR DUCT 24" DIA. AND LESS IN DIAMETER. <br />4. SEISMIC RESTRAINT CABLES MAY BE OMITTED WHERE DUCT IS SUPPORTED WITHIN 12" OF STRUCTURE AS MEASURED FROM <br />THE TOP OF DUCT TO THE BOTTOM OF STRUCTURE. <br />5. VERTICAL HANGERS, DIAGONAL AND HORIZONTAL BRACES TO BE SIZED IN ACCORDANCE WITH SMACNA SEISMIC RESTRAINT <br />MANUAL. <br />6. COORDINATE WITH STRUCTURAL ENGINEER FOR UPPER ATTACHMENTS. <br />7. WHERE SEISMIC CABLE RESTRAINTS ARE REQUIRED, <br />A. PROVIDE SEISMIC CABLE TRANSVERSE BRACING AT 30 FT AND <br />B. SEISMIC CABLE LONGITUDINAL BRACING AT 60 FT. <br />C. SEISMIC CABLE RESTRAINTS ARE NOT REQUIRED AT EVERY HANGER LOCATION. <br />2'-8" MAX TO <br />STRUCTURAL <br />SUPPORT <br />MECHANICAL FORGED WIRE ROPE <br />CLIP. INSTALL TWO PER CABLE END <br />(TYP) <br />EXCESS CABLE <br />MIN 1" (TYP)TWO 3/8"DIA. LOCKNUTS <br />AND WASHERS <br />#10 SELF-TAPPING SHEET <br />METAL SCREWS, 4 MIN <br />1"x22 GA STRAP <br />(TYP) <br />REFER TO UPPER <br />ATTACHMENT <br />REFER TO UPPER <br />ATTACHMENT <br />3/8" ROD OR OPTIONAL <br />3"x3"x16 GA ANGLE (TYP) <br />BOTH SIDES <br />#10 SELF-TAPPING SHEET <br />METAL SCREWS, ONE PER <br />SIDE <br />ROD STIFFENER <br />AS REQUIRED <br />30X30 MAX <br />RECTANGULAR DUCT <br />3/8" DIA. BOLT, LOCK <br />WASHER & NUT. <br />1" <br />1/2" <br />45° <br />RECTANGULAR DUCT 1/4" CABLE TO STRUCTURE <br />(TYP) <br />2'-8" MAX TO <br />STRUCTURAL SUPPORT <br />DETAIL B <br />3"x3"x16 GA <br />DETAIL A <br />NOTES: <br />1. MAXIMUM SPACING OF HANGERS SHALL BE 5'-0". <br />2. IF A FLEXIBLE CONNECTION IS INSTALLED BETWEEN THE MECHANICAL EQUIPMENT AND THE DUCT, THEN THIS <br />DETAIL MAY BE USED. OTHERWISE, USE DETAIL B BELOW. <br />3. SEISMIC RESTRAINT CABLES MAY BE OMITTED WHERE: <br />A. THERE IS A FLEXIBLE CONNECTION BETWEEN THE MECHANICAL EQUIPMENT AND <br />B. RECTANGULAR DUCT IS LESS THAN 6 SQUARE FEET IN AREA OR <br />C. DUCT OF ANY SIZE IS SUPPORTED WITHIN 12" OF STRUCTURE AS MEASURED FROM THE TOP OF DUCT TO THE <br />BOTTOM OF STRUCTURE. <br />4. WHERE SEISMIC RESTRAINTS ARE REQUIRED, <br />A. PROVIDE TRANSVERSE BRACING AT 30 FT AND <br />B. LONGITUDINAL BRACING AT 60 FT. <br />5. VERTICAL HANGERS, DIAGONAL AND HORIZONTAL BRACES TO BE SIZED IN ACCORDANCE WITH SMACNA SEISMIC <br />RESTRAINT MANUAL TABLE 5-1 AND 5-2. <br />6. REFER TO STRUCTURAL DETAILS FOR ADDITIONAL INFORMATION NOT SHOWN HERE. <br />7. INSTALL ROD STIFFENER AS REQUIRED. REFER TO STRUCTURAL DESIGN FOR ADDITIONAL ATTACHMENT <br />REQUIREMENTS. REFER TO HILTI ICC#ESR-1917 PRE-APPROVAL. DUCT HANGERS AND SUPPORTS SHALL COMPLY <br />WITH PRE-APPROVED B-LINE "SEISMIC RESTRAINT SYSTEM". <br />W <br />VERTICAL RETURN DUCT <br />MAIN BRANCH <br />SUB BRANCH <br />MAIN BRANCH <br />AIR FLOW <br />W = 4" MIN. <br />W2 <br />AI <br />R <br />FL <br />O <br />W <br />SPLITTER MAY <br />BE USED <br />R=A+3/4W <br />W <br /> <br />X <br /> <br />D <br />2 <br />AI <br />R <br />FL <br />O <br />W <br />R <br />W <br />W <br />L <br />FLOW <br />STANDARD RADIUS ELBOW <br />AIR <br />VOLUME DAMPER <br />(TYPICAL) <br />FLEXIBLE DUCT <br />45 DEGREE CLINCH COLLAR <br />SPLITTERS ARE NOT USED <br />AT THIS TYPE OF ENTRY <br />ACCESS DOOR <br />R = W <br />SET SCREW <br />SUB BRANCH <br />HINGE OR ROD <br />SEAMS ON ALL <br />CORNERS BEAD OR CROSSBREAK <br />IF REQUIRED <br />SEE DUCT CONSTRUCTION <br />DETAILS FOR CONNECTIONS AND <br />BRACING REQUIREMENTS <br />CLOSE OPENING <br />AT CORNERS <br />45 DEGREE ENTRY <br />CORNER FILLER PIECE OR <br />USE GASKET <br />CLINCH LOCK <br />STRAIGHT TAP <br />AIR EXTRACTOR (WHEN <br />SPECIFIED) ACCESSIBLE <br />CONTROL IN AIR OUTLET COLLAR <br />IF W1 DOES NOT EQUAL W2 SPECIAL <br />PROVISIONS MUST BE MADE IN VANE <br />SHAPE OR ANGLE OF ENTRY AND EXIT <br />THIS APPLIES TO ALL TYPES OF VANES. <br />30 DEGREES MAXIMUM ON <br />CONVERGING FLOW <br />20 DEGREES MAXIMUM ON <br />DIVERGING FLOW <br />SEE DUCT CONSTRUCTION <br />DETAILS FOR <br />CONNECTIONS <br />SEAM <br />AIR FLOW <br />VOLUME DAMPER <br />FULL RADIUS <br />WHERE POSSIBLE <br />(R = W) <br />AI <br />R <br />FL <br />O <br />W <br />W1 <br />W <br />R <br />R <br />AIR <br />FLOW <br />20° MAXIMUM <br />FLAT ON BOTTOM <br />A X D1R=3/4W <br />45 DEGREES <br />L = 1/4 W, 4"MIN. <br />3 <br />6 <br />5 8 <br />7 <br />2 21 <br />9 <br />10 <br />3 4 <br />1.H.I.T. OR CADDY BEAM CLIP FOR APPROPRIATE <br />BEAM THICKNESS. <br />2.PHILLIPS JS14C (BSA APPROVAL NO. 39058 SM) <br />OR EQUAL, OR FORCED ENTRY FASTENERS. <br />3.BAND IRON HANGER PER CODE OR SMACNA. <br />4.TURN UNDER WHEN DUCT IS OVER 47" WIDE. <br />5.PHILLIPS J38C OR EQUAL <br />6.THREADED ROD COUPLING. <br />7.THREADED ROD (SIZE AS REQUIRED 3/8" MIN). <br />8.SCISSOR CLAMP ON REINFORCED ROD. <br />9.G.A.T. CHANNEL CLAMP SLAB FASTENER. <br />10.STEEL ROD (3/8"MIN.) <br />11. FORCED ENTRY FASTENERS APPROVED ONLY <br />IF ACCEPTABLE TO LOCAL CODE. <br />NOTES: <br />USE TOP OR BOTTOM <br />CONNECTIONS WHEN SPACE <br />OR DUCT SIZE LIMITATAD <br />MAIN SUPPLY DUCT <br />MANUAL VOLUME DAMPER <br />FLEXIBLE DUCT <br />SUSPENDED CEILING <br />SUPPLY DIFFUSER <br />SUPPORT TO <br />AVOID SAGGING <br />1. LENGTH OF FLEXIBLE DUCTS SHALL NOT EXCEED 5'-0", <br />INCLUDING ELBOWS. <br />2. WHERE ACCOUSTICAL FLEXIBLE DUCT IS SHOWN, <br />PROVIDE FLEXMASTER, TYPE 8M UL 181 CLASS 1 AIR <br />DUCT. <br />3/8" DIAMETER THREADED ROD (TYP 4) <br />NUT WITH LOCK WASHER (TYP) <br />FLEXIBLE DUCT CONNECTIONS AT <br />INLET AND OUTLET <br />DUCT TRANSITION AS REQUIRED TO <br />MATCH FAN FLANGE SIZE (TYP) <br />EXHAUST FAN (BACKDRAFT <br />DAMPER LOCATED AT <br />BUILDING ENVELOPE <br />TERMINATION) <br />NOTES: <br />1. PROVIDE BACKDRAFT DAMPER IN DUCTWORK AT BUILDING ENVELOPE TERMINATION. <br />2. TRANSITION DUCT CONNECTION AS REQUIRED TO MATCH FAN COLLARS. <br />3. REFER TO STRUCTURAL DESIGN FOR ATTACHMENT REQUIREMENTS AND ADDITIONAL SUPPORT OPTIONS. <br />MECHANICAL FORGED WIRE ROPE CLIP. INSTALL <br />TWO PER CABLE END (TYP) <br />1" <br />1/2" <br />EXCESS CABLE MIN 1" <br />(TYP) <br />45° <br />VIBRATION ISOLATION HANGER, SWING SPRING <br />TYPE, 1" DEFLECTION (TYP) <br />REFER TO STRUCTURAL <br />DESIGN FOR UPPER <br />ATTACHMENT (TYP) <br />1/8" RESTRAINT CABLE TO <br />STRUCTURE (TYP) <br />THIMBLE (TYP) <br />FLOW <br />© Gensler <br />Date Description <br />Project Name <br />Project Number <br />Description <br />Scale <br />Seal / Signature <br />2021 <br />Tel 949.863.9434 <br />Fax 949-553-1676 <br />4675 MacArthur Court <br />Suite 100 <br />Newport Beach, CA <br />92600 <br />USA <br />EXP: 12/31/2025 <br />N.T.S <br />6/12/2024 7:44:39 AM <br />BIM 360://007.3757.000 - Caribou Industries - 3rd & Broadway/228011-04_3RD-B_MECH_R20.rvt <br />R2.M9.002 <br />MECHANICAL DETAILS <br />228011-04 <br />3rd & Broadway Residential <br />Tower Tenant Interiors <br />1103 North Broadway <br />Santa Ana, CA 92701 <br />SCALE: N.T.S1SUPPLY DUCT FITTINGS <br />SCALE: N.T.S2RETURN EXHAUST DUCT FITTINGS <br />SCALE: N.T.S3ROUND DUCT SUPPORT <br />SCALE: N.T.S4RECTANGULAR DUCT SUPPORT <br />SCALE: N.T.S5DUCT CONSTRUCTION DETAILS <br />SCALE: N.T.S6METHOD OF HANGING DUCTWORK <br />SCALE: N.T.S7TYPICAL SUPPLY DIFFUSER CONNECTION <br />SCALE: N.T.S8EXHAUST FAN INLINE <br />1 <br />06.13.2022 ISSUE FOR PLAN CHECK <br />1 06.17.2024 REVISION TO PERMIT <br />1/15/2025
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