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M-300 <br />MECHANICAL DETAILS <br />NOTE: DAMPER HANDLE <br />TO BE INSTALLED <br />MAXIMUM OF 5'-0" ABOVE <br />CEILING. <br />SHT. MTL. ELBOW REQUIRED <br />LOCKABLE QUADRANT DAMPER <br />LOCATION WHERE DAMPER <br />WOULD BE INACCESSIBLE AT <br />TAKE-OFF PROVIDE W/ 3" <br />EXTENDED SHAFT, HANDLE AND <br />INSULATED ROUND DUCT COLLAR <br />ORANGE MARKER <br />TAPE ATTACHED TO <br />DAMPER TO IDENTIFY <br />LOCATION <br />INSULATED FLEXIBLE <br />C0NNECTION (MAX. 5 <br />FT.) <br />GYP. BD. CEILING <br />SHEET METAL BAND AND <br />(3) #8 SHEET METAL <br />SCREWS <br />GYP. BD. PERIMETER BRACKET <br />SECURED TO FRAMING. COLOR <br />TO MATCH DIFFUSER OR CEILING. <br />CEILING TILE <br />CEILING T-BAR AT CEILING TILE <br />SUPPORTED BY RUNNERS. <br />SECURELY TAPE VINYL FLEX DUCT <br />TO SHT. MTL. W/MIN. OF (2) <br />CONTINUOUS WRAPS OF DUCT TAPE. <br />STRAP CLAMP OVER FLEX DUCT <br />INSULATION & VINYL TO SHT. MTL. <br />TAPE INSULATION TO DUCT TO FORM <br />GOOD SEAL <br />BUTT DUCT INSULATION FIRMLY <br />AGAINST DIFFUSER BODY. PULL <br />VAPOR BARRIER DOWN AND <br />CLAMP WITH DRAWBAND. <br />1" BLANKET INSULATION. <br />LAY OVER ENTIRE BACK OF <br />DIFFUSER BODY. <br />TO S.A. MAIN <br />FLANGED / GASKETED TAKE OFFS <br />WITH OPPOSED BLADE DAMPER <br />(FLAGGED) <br />HARD PIPE ONLY <br />FLEXIBLE DUCTWORK, 60" <br />MAX. LOCATED AT DIFFUSER <br />ELBOW (TYP. OF ALL S.A. <br />DEVICES) <br />ENTIRE SYSTEM TO BE FULLY <br />INSULATED WITH ALL JOINTS <br />TAPED WITH REINFORCED FOIL <br />TAPE. <br />DUCT WRAP INSULATION <br />HARD DUCT ELBOW RADIUS 1-1/2 <br />DUCT SIZE OR 12" LONG HARD <br />PIPE (TYP. OF ALL S.A. DEVICES <br />UNLESS OTHERWISE NOTED) <br />SQUARE TO ROUND <br />TRANSITION (AS REQUIRED) <br />FACTORY INSULATED DIFFUSER <br />LAY-IN CEILING <br />BY GENERAL <br />TRADES <br />CONTRACTOR <br />NOTE: <br />INSTALLATION SIMILAR FOR GYP. BOARD <br />CEILING <br />SUPPLY AIR DEVICE <br />(ADJUST PER PLAN) <br />MAIN DUCT <br />PROVIDE VOLUME <br />DAMPER, AT BRANCH <br />TAKE OFF. <br />ADJUSTABLE ELBOWS <br />BALANCING DAMPER (BD.) <br />WHERE INDICATED ON <br />DRAWING. MINIMUM OF 1 <br />DUCT DIA. FROM MAIN <br />DUCT <br />L=W/4 (4" MIN.) <br />BRANCH DUCT <br />MAIN DUCT <br />W <br />L 45 <br />° <br />BRANCH DUCT <br />L=W/4 (4" <br />MIN.) <br />RECTANGULAR <br />RECTANGULAR <br />TO ROUND <br />TAKEOFF <br />ROUND <br />MAIN DUCT <br />AIR FLOW <br />W <br />L 45 <br />° <br />3/8" STEEL ROD W / <br />THREADED ENDS <br />(TYP. 4 PLACES) <br />SUPPORT FROM <br />STRUCTURE <br />ABOVE AS <br />REQUIRED. <br />(COORDINATE W / <br />STRUCT.) <br />VIBRATION <br />ISOLATORS <br />SEE PLAN <br />FOR ROUTING <br />BACKDRAFT <br />DAMPER <br />CEILING MOUNTED <br />AIR FLOW <br />AIR FLOW <br />EXTERNAL DUCT WRAP INSULATION <br />BUTT INSULATION TO FACE OF <br />DUCT TRUNK AND CLAMP W/ <br />DRAWBAND <br />GALVANIZED <br />STEEL <br />DUCTWORK <br />SEALER INSTALL DUCTWORK W/ SEALER, <br />SHEETMETAL BAND AND (3) #8 <br />SHEETMETAL SCREWS EQUALLY <br />SPACED. <br />SPIN-IN BELLMOUTH COLLAR <br />W/ MANUAL VOLUME DMAPER <br />INSULATION ADHESIVE <br />ALL AROUND <br />AIR <br />FLOW <br />MOTOR DOME - ALUMINUM, REMOVABLE <br />FAN WHEEL - ALUMINUM, CENTRIFUGAL. BACKWARD <br />INCLINED BLADES. <br />CURB - EXTENDED, STEEL , WELDED BY FAN MAUNF. <br />ELECTRICAL CONDUIT STUB. <br />MOTOR - BELT DRIVE, ADJUSTABLE PULLEY, OUT OF AIR <br />STREAM <br />BIRDSCREEN - ALUMINUM <br />FAN BASE - HEAVY GAUGE STEEL, ONE-PIECE <br />CONSTUCTION, HINGED <br />ROOF OPENING - VERIFY WITH GENERAL CONTRACTOR <br />AND MFR'S SUBMITTALS <br />WIND BAND - SPUN ALUMINUM, UPBLAST TYPE <br />EXHAUST DUCT - 26 GA STANDARD DUCT TO BE PROVIDED <br />BY CONTRACTOR. <br />GREASE THROUGH - SECURE TO BASE <br />ROOF CURB <br />HINGED CURB FOR CLEANING, FLEXIBLE ELECTRICAL <br />CONDUIT FOR EXTENSION AND CHAIN LOCK FOR OPEN <br />PPROSIVTIIDOEN .LOREN COOK HINGED BASE KIT OR EQUAL. THE <br />HINGED BASE KIT IS A FIELD INSTALLED <br />40" <br />AL <br />U <br />M <br />I <br />N <br />U <br />M <br />3' MIN. <br />CLEARANCE <br />FOR KEF-1, & 2 <br />AIR DUCT DETECTOR AND <br />AIR SAMPLING CHAMBER. <br />(MOUNT ON TOP IF SPACE <br />REQUIRED) <br />MOUNTING PLATE <br />INTAKE TUBE <br />RETURN TUBE <br />NEOPRENE <br />GASKET <br />MOUNTING NUTS <br />DUCT <br />DUCT WIDTH <br />DU <br />C <br />T <br /> <br />H <br />E <br />I <br />G <br />H <br />T <br />NOTES: <br />1. SMOKE DETECTOR FURNISHED FIRE ALARM CONTRACTOR AND WIRED <br />BY ELECTRICAL CONTRACTOR , AND MOUNTED BY MECHANICAL <br />CONTRACTOR. <br />2. INSTALL IN STRICT ACCORDANCE WITH MANUFACTURER'S <br />INSTALLATION INSTRUCTIONS. <br />3.PROVIDE ACCESS DOOR AT SAMPLING TUBES. <br />4. INSTALL PER NFPA 90A <br />5.MOUNT REMOTE INDICATOR / RESET BY THERMOSTATS <br />ROOF TOP UNIT <br />(RTU) <br />OUTSIDE AIR <br />INTAKE WITH <br />DAMPER <br />CONDENSATE <br />DRAIN REFER TO <br />DETAIL THIS SHEET <br />R / A DUCTWORK SIDE <br />DISCHARGE PROVIDE <br />FLEX. CONNECTIONS AT <br />UNIT <br />ROOF TOP <br />UNIT ROOF <br />CURB <br />ROOF OPENING <br />CURB WIDTH <br />DISCONNECT SWITCH <br />PROVIDE FLOAT <br />SWITCH IN <br />DRAIN PAN <br />S / A DUCTWORK (SIDE <br />DISCHARGE) PROVIDE <br />FLEX. CONNECTIONS AT <br />UNIT <br />CONTROL CIRCUIT <br />POWER CIRCUIT. <br />REFER TO <br />ELECTRICAL DWGS. <br />NOTES: <br />1. DUCT TRANSITION FROM RTU TO DUCT SIZE SHOWN ON MECH. <br />FLOOR PLAN SHALL BE MADE BETWEEN RTU & TOP OF ROOF WITHIN <br />CURB. <br />2. SIZE OF OPENING IN ROOF DECK TO BE AS SMALL AS POSSIBLE. <br />COORDINATE W / STRUCT. DWGS (6" MIN. LARGER THAN DUCT SIZE <br />SHOWN) <br />3. INSTALL PER MANUFACTURER'S RECOMMENDATION AND <br />INSTALLATION MANUAL. <br />RAIN CAP <br />COMBUSTION AIR <br />STAINLESS STEEL CLAMPS <br />POLYVINYL CHLORIDE STEPPED <br />BOOT FURNISHED BY MECH. <br />CONTRACTOR <br />SPUN ALUMINUM <br />PLATE "PPS" PIPE SEAL <br />VENT <br />VENT <br />ROOFING <br />MEMBRANE <br />ROOF DECK <br />SUPPORT <br />(FIELD <br />SUPPLIED) <br />ELBOW <br />(FIELD SUPPLIED) <br />COMBUSTION AIR <br />ROOF <br />INSULATION <br />TO AND FROM WATER HEATER <br />NOTE: <br />1. BOND BASE TO ROOF AND <br />MEMBRANE TO BASE WITH <br />MASTIC. <br />2.ONE (1) FOR EACH UNIT. <br />3. SUPPORT MUST BE FIELD <br />INSTALLED TO SECURE <br />TERMINATION KIT TO <br />STRUCTURE. <br />MA <br />I <br />N <br />T <br />A <br />I <br />N <br /> <br />1 <br />2 <br />" <br /> <br />M <br />I <br />N <br />I <br />M <br />U <br />M <br /> <br />A <br />B <br />O <br />V <br />E <br /> <br />R <br />O <br />O <br />F <br />. <br />LINE SIZE EQUAL TO <br />DRAIN PAN <br />CONNECTION ROUTE <br />AS INDICATED ON <br />DRAWINGS. <br />THREADED CAP <br />WITH 1/4" DIA. <br />HOLE DRILLED IN <br />TOP <br />THREADED <br />CAP <br />DRAIN <br />PAN <br />UNION <br />DEEP SEAL P-TRAP <br />COOLING COIL <br />SLOPE TO <br />DRAIN <br />ROUND TUBING <br />HOT DRIPPED <br />GALV. THROUGH <br />BOLT <br />FILLET WELD FULL <br />POST <br />CIRCUMFERENCE TO <br />BASE PLATE <br />8x8x1/4" BASE PLATE <br />PLATES SHALL SANDWICH <br />ROOF JOIST MEMBER W / 4 <br />3/8" THREADED RODS PER <br />PLATE W / NUBS & <br />WASHERS <br />EXIST. STEEL JOIST <br />8x8x1/4" STEEL PLATE <br />BELOW ROOF JOIST <br />2x2x1/4" ALUM. <br />ANGLE (6061-T6 <br />ALLOY) <br />PROVIDE 1/4" <br />KWOK FLEX <br />SELF DRILLING <br />SCREWS BY <br />"HILT" <br />BASE PLATE CONN. DETAIL ON STEEL JOISTS <br />ALT. AC UNIT TIE-DOWN CONNECTION DETAIL AC UNIT TIE-DOWN CONNECTION DETAIL <br />(4) 2x4x1/8" REM CLIP ATTACHED TO <br />THE UNIT AND BEAN WITH 3-1/4" #20 <br />KWIK FLEX SELF DRILLING SCREWS <br />TO THE UNIT AND (2) SCREWS TO <br />THE STAND. <br />AC UNIT HOUSING OR SHELL <br />2"x18 GA GALV. STEEL STRAP. <br />STRAP SHALL PASS OVER UNIT TO <br />I-BEAM ON OPPOSITE SIDE. MIN. (4) <br />PER UNIT & SHALL BE FULLY <br />STRETCHED. 36KSI <br />ANTI-VIBRATION PAD BY AC <br />CONTRACTOR @ EACH <br />CONNECTION LOCATION (4 MIN.) <br />(4) #12 SIMS AT EACH STRAP END <br />TO UNDERSIDE OF I-BEAM <br />AC UNIT HOUSING <br />OR SHELL <br />REM CLIP BY R.M. <br />ENTERPRISES W / <br />CORRESPONDING <br />FLORIDA <br />CERTIFICATION # <br />ANTI-VIBRATION PAD <br />BY AC CONTRACTOR <br />@ EACH CONNECTION <br />LOCATION (4 MIN.) <br />I-BEAM <br />1/4"Ø HOLES <br />I-BEAM <br />2" <br />6" <br />GENERAL NOTES: <br />1. WIND LOADS DETERMINED IN ACCORDANCE W / THE ASCE 7-10. <br />2. ALL WELDING SHALL BE PERFORMED W / 4043 FILLER ALLOY. <br />3. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO PROVIDE <br />ADEQUATE ANCHORAGE AS SHOWN ON MANUFACTURER'S PLAN. <br />BASE PLATE ASSEMBLY SHALL BE ENCASED WITHIN ROOFING <br />MATERIAL. <br />4. STAND AND FRAME SHALL BE MADE OF 6061-T6 ALUMINUM <br />ALLOY, IS AN EXTERIOR EXPOSURE ALUMINUM. <br />5.A/C CONTRACTOR SHALL PROVIDE CORROSION RESISTANT <br />ISOLATION PADS BETWEEN AC UNIT AND STAND. <br />6.USE MANUFACTURER'S RECOMMENDED CONNECTIONS. <br />7.COASTAL APPLICATION IS EQUIPMENT TO EXPOSURE D. INLAND <br />APPLICATION IS EQUIVALENT TO EXPOSURE C. <br />AC UNIT (40x40x40) <br />MAX HEIGHT - <br />300LB <br />R.M. ENTERPRISES <br />MODEL "HRDCA80 <br />STAND" (RATED FOR <br />180 MPH) <br />NOTES <br />STAND TO BE MANUFACTURED <br />BY RM ENTERPRISES <br />510 BUSINESS PARKWAY <br />ROYAL PALM BEACH, FL. <br />561-682-1225 <br />THRU BOLTS <br />20" MIN. <br />MI <br />N <br />. <br /> <br />1 <br />8 <br />" <br />MA <br />X <br />. <br /> <br />3 <br />0 <br />" <br />CONDENSATE <br />PIPE 1.5" ID <br />MAX SIZE <br />STRAP AND #8 <br />STAINLESS STEEL <br />SCREWS IN THE GUIDE <br />HOLES AT THE TOP OF <br />EACH PIPESTAND <br />MAPA PRODUCTS PIPE SUPPORTMODEL MT-1V PIPE <br />SUPPORT. <br />(TEL 877-897-2371) <br />BASES OF DESIGN <br />EQUAL IS APPROVED <br />NOTE: <br />THE MANUFACTURER DOES NOT RECOMMEND <br />FASTENING THE PIPE SUPPORTS TO THE ROOF. <br />SHOULD THE LOCAL BUILDING DEPARTMENT <br />REQUIRE THAT THE PIPE SUPPORTS BE <br />SECURED TO THE ROOF, ANY METHOD OF <br />FASTENING THE SUPPORTS MUST BE <br />COMPATIBLE WITH THE ROOFING MATERIAL SO <br />AS NOT TO VOID THE ROOF WARRANTY. VERIFY <br />A PROPER METHOD OF ATTACHMENT WITH THE <br />ROOFING CONTRACTOR PRIOR TO <br />INSTALLATION. <br />IF A SUPPORT PAD IS TO BE UTILIZED PLACE PAD <br />IN THE DESIGNATED SUPPORT AREA. IF <br />SPECIFIED, ADHERE SUPPORT PAD TO ROOF <br />MEMBRANE AS DIRECTED BY THE ROOFING <br />MANUFACTURER. <br />PLACE SUPPORT AS APPROPRIATE ON EITHER <br />THE ROOF MEMBRANE OR CENTERED ON THE <br />SUPPORT PAD. WHERE SPECIFIED ADHERE <br />SUPPORT TO PAD. MAPA PRODUCTS <br />RECOMMENDS E-6000 ADHESIVE. <br />NOTE: <br />THE MANUFACTURER DOES NOT RECOMMEND <br />FASTENING THE PIPE SUPPORTS TO THE ROOF. <br />SHOULD THE LOCAL BUILDING DEPARTMENT REQUIRE <br />THAT THE PIPE SUPPORTS BE SECURED TO THE ROOF, <br />ANY METHOD OF FASTENING THE SUPPORTS MUST BE <br />COMPATIBLE WITH THE ROOFING MATERIAL SO AS NOT <br />TO VOID THE ROOF WARRANTY. VERIFY A PROPER <br />METHOD OF ATTACHMENT WITH THE ROOFING <br />CONTRACTOR PRIOR TO INSTALLATION. <br />IF REQUIRED BY CODE ADHERE <br />SUPPORT AND PAD TO ROOF <br />MEMBRANE AS DIRECTED BY <br />ROOFING MANUFACTURER <br />(COORDINATE WITH <br />LANDLORD'S ROOFING <br />CONTRACTOR) <br />PROVIDE .125ML <br />NEOPRENE PAD UNDER <br />PIPE SUPPORT. <br />RESTRAINT BRACKET <br />(7) #10 TEK SCREWS PER <br />RESTRAINT BRACKET. 2" O.C. <br />SPACING HOLDING RESTRAINT <br />BRACKET TO CURB <br />MIN. 18 GAUGE GALV. SHEET METAL CURB <br />WITH ALL JOINTS WELDED-NRCA <br />APPROVED-FABRICATE TO MATCH SLOPE OF <br />STEEL SUCH THAT TOP OF CURB IS LEVEL <br />AND THE MIN. HEIGHT NOTED IS THE LOWEST <br />EDGE POINT <br />RIDGED <br />INSULATION-THICKNESS TO <br />MATCH BLOCKING <br />HVAC UNIT BASERAIL <br />(7) #10 TEK SCREWS PER RESTRAINT <br />BRACKET. 2" O.C. SPACING HOLDING HOVC <br />UNIT TO RESTRAINT BRACKET <br />PRIME GALV. STTL 14 GA. (0.07" MIN.) <br />CURB WALL EITH FY-33,000 PSI (MIN.) <br />ROOF WORK BY ROOFING CONTRACTOR <br />SECURE CURB TO <br />STRUCTURAL ROOF FRAME <br />MIN. (16) 1/2Ø A307 <br />THROUGH BOLTS PER <br />CURB FOR ALL UNITS <br />SIZES, MIN (5) ON EACH <br />CURB LONG SIDE AND MIN <br />(3) ON EACH CURB SHORT <br />SIDE <br />TOP OF STEEL <br />ELEVATION VARIES WITH <br />SLOPE <br />RIGID INSULATION AND METAL DECK <br />TO BE REMOVED TO ACCOMMODATE <br />ROOF CURB OPENING <br />STRUCTURAL ROOF OPENING FRAME <br />4" <br />14 <br />" <br /> <br />M <br />I <br />N <br />I <br />M <br />U <br />M <br /> <br />H <br />G <br />T <br />ROOF EQUIPMENT <br />ROOF <br />SELF FLASHING <br />ALUMINUM CURB (CANT <br />BY OTHERS) <br />REMOVABLE TOP (WATER TIGHT) <br />FASTEN WTH SELF TAPPING <br />SCREWS #316 S.S. <br />ALUMINUM HOOD <br />2' - 0"6" <br />4" <br />12 <br />" <br /> <br />M <br />I <br />N <br />. <br />10 <br />° <br />PLAN <br />8" <br /> <br />M <br />I <br />N <br />. <br />NOTE: CONTRACTOR SHALL <br />FOAM FILL AROUND ALL PIPING <br />AT OPENING OF CURB. <br />TO SUIT <br />NOTES: <br />1. DUCT SHOULD EXTEND STRAIGHT FOR SEVERAL INCHES <br />FROM A CONNECTION BEFORE BENDING. <br />2. SUPPORT SYSTEM MUST NOT DAMAGE DUCT OR CAUSE <br />OUT OF ROUND SHAPE. <br />SELF TAPPING SCREW WITH <br />LOCKING WASHER, PREVENT <br />BENDING OF STRAP AT THE 90° <br />BEND <br />STEEL JOIST <br />22 GA. GALV. <br />STEEL DUCTWORK <br />2" X 1/8" 22 GA. GALV. <br />STEEL HANGER STRAP <br />1 1/2"x1 1/2"x1/8" 22 GA. <br />GALV. STEEL ANGLE <br />2"x1/8" 22 GA. GALV. <br />STEEL HANGER STRAP <br />SIZE <br />BOLTS <br />FOR LOAD <br />FLEX DUCT <br />5' MAXIMUM <br />2" METAL STRAP <br />MAX. SAG 1/2" PER FOOT (MINIMUM) <br />OF SUPPORT SPACING. <br />UPPER ATTACHMENT - TYP. <br />TRAPEZE HANGER <br />LOWER ATTACHMENT - TYP. <br />12x12 INTAKE <br />2'x2' RETURN / <br />INTAKE DIFFUSER <br />2'x2' <br />SUPPLY <br />DIFFUSER <br />MANUFACTURER'S <br />COLLAR / FLANGE <br />3/8" STEEL ROD W / THREADED ENDS <br />(TYP. 4 PLACES) SUPPORT FROM <br />STRUCTURE ABOVE W/ UNISTRUT. <br />(COORDINATE W/ STRUCT.) MC TO <br />PROVIDE FASTENERS AND WASHERS <br />APPROPRIATE FOR A SECURE <br />INSTALLATION <br />MC TO SECURE <br />UNIT TO <br />UNISTRUT <br />79 <br />6 <br /> <br />M <br />e <br />r <br />u <br />s <br /> <br />C <br />o <br />u <br />r <br />t <br />St <br />. <br /> <br />L <br />o <br />u <br />i <br />s <br />, <br /> <br />M <br />O <br /> <br />6 <br />3 <br />0 <br />2 <br />6 <br />T <br />6 <br />3 <br />6 <br />. <br />3 <br />4 <br />9 <br />. <br />1 <br />6 <br />0 <br />0 <br />F <br />6 <br />3 <br />6 <br />. <br />3 <br />4 <br />9 <br />. <br />1 <br />7 <br />3 <br />0 <br />16842136571210911141315 <br />84213657 1210911 1413 15 16 <br />a <br />b <br />c <br />d <br />e <br />f <br />g <br />h <br />j <br />k <br />l <br />m <br />n <br />p <br />r <br />s <br />a <br />b <br />c <br />d <br />e <br />f <br />g <br />h <br />j <br />k <br />l <br />m <br />n <br />p <br />r <br />s <br />Checked by <br />Drawn by <br />Issue Date <br />Project # <br />Scale <br />Client Approval <br />TI <br /> <br />T <br />E <br />M <br />P <br />L <br />A <br />T <br />E <br /> <br />V <br />1 <br />. <br />0 <br />, <br />10 <br />- <br />1 <br />1 <br />- <br />2 <br />0 <br />1 <br />1 <br />SANTA ANA - SOUTH <br />(#0972) <br />3313 S. BRISTOL ST. <br />SANTA ANA, CA 92704 <br />AS INDICATED <br />07/09/2025 <br />69325-CA03 <br />ISSUED FOR <br />PERMIT <br /># Description Date <br />These drawings/specifications are the property of Oculus Inc. They are <br />furnished as contract documents only. The seal(s) and signature(s) apply <br />only to the document to which they are affixed, and expressly disclaim <br />any responsibility for all other plans, specifications, estimates, reports or <br />other documents or instruments relating to or intended to be used for any <br />part or parts of the architectural or engineering project. Additionally these <br />drawings and seal(s) shall in no way convey or imply any type of warranty <br />or certification relating to the performance of products and materials <br />beyond those provided by their respective manufacturer. <br />© 2025 Oculus Inc. <br />03/10/2026 <br />Matthew R. Case, Engineer <br />CA # M41121