Orange County NC Website
n <br /> 00 <br /> MECHANICAL SPECIFICATIONS <br /> ,n IT IS THE INTENT OF THESE SPECIFICATIONS TO FURNISH A COMPLETE HEATING, VENTILATING, AND AIR T • <br /> Ip z CONDITIONING SYSTEM, FULLY ADJUSTED, AND READY FOR USE. <br /> SEE NOTE <br /> ALL MECHANICAL WORK TO BE DONE IN COMPLIANCE WITH NORTH CAROLINA BUILDING CODE AND ALL LOCAL <br /> v�i Im CODES. AIR FLOW <br /> SUPPLY/RETURN DUCT <br /> g_ THIS CONTRACTOR SHALL GIVE ALL NECESSARY NOTICES, OBTAIN ALL PERMITS AND PAY ALL SALES TAXES, ° SS-1A <br /> cam, I� Q AND OTHER COSTS, IN CONNECTION WITH HIS WORK. ROUND RUNOUT FLEXIBLE DUCT, 222 cloister court <br /> Iz - FLEXIBLE DUCT CONNECTION TO METAL DUCT 5' MAX. LENGTH SUSPEND WITH (4)STRAP <br /> LLJ ALL MATERIAL AND EQUIPMENT THAT CAN BE U.L. LISTED SHALL BE FURNISHED FOR THIS PROJECT. TOP OF DUCT RIGID SHEET HANGERS chapel hill, nc 27514 <br /> METAL BOX. 919.401 .8586 <br /> a FROM STRUCTURE ABOVE <br /> MATERIAL AND EQUIPMENT HAS BEEN CAREFULLY SELECTED FOR THIS PROJECT AND THE CONTRACTOR IS MANUAL www.cra-ae.com <br /> I EXPECTED TO PROVIDE ALL ITEMS AS CLOSELY AS POSSIBLE TO THE SPECIFICATIONS AND AS CALLED FOR ON VOLUME TRANSITION <br /> � o DAMPER LINED WITH <br /> THE DRAWINGS. ROUND DUCT DUCT LINER. <br /> 1O BRANCH TAKE-OFF NECK (IF REQUIRED) <br /> SUBMIT THREE (3) SETS OF EQUIPMENT DATA SHOP DRAWINGS TO ENGINEER FOR ALL ITEMS TO BE TURNING VANE OPEN TO ATTIC <br /> z FURNISHED AND INSTALLED FOR APPROVAL. COMPLETELY SEE NOTE DAMPER TAG <br /> INSULATE OR RIBBON <br /> 1 1 rg <br /> THIS CONTRACTOR SHALL INCLUDE IN THE WORK, WITHOUT EXTRA COST TO THE OWNER, ANY LABOR, SIDE OF DUCT BACK OF �1 1� SS-1 B <br /> Q MATERIALS, SERVICES, APPARATUS, DRAWINGS, IN ORDER TO COMPLY WITH ALL APPLICABLE LAWS, DIFFUSER <br /> — BALANCE DAMPER <br /> C SPIN TAP WITH MAN_�A= \ UAL 1 _ WHERE SPECIFIED. <br /> ORDINANCES, RULES AND REGULATIONS, WHETHER OR NOT SHOWN ON DRAWINGS AND/OR SPECIFIED. NO AIR FLOW VOLUME DAMPER CEILING//T 0 <br /> CLAIM FOR EXTRAS WILL BE APPROVED WITHOUT PRIOR COORDINATION FOR CONFLICTS BY CONTRACTOR, AND (MECHANICAL CONTRACTOR SHALL RKa <br /> XDE' <br /> w WRITTEN REQUEST AND WRITTEN APPROVAL PRIOR TO PERFORMING WORK. <br /> c o PERFORATWA <br /> ED PROVIDE ACCESS DOOR FOR ANY <br /> ALL WORK AND EQUIPMENT TO BE GUARANTEED BY CONTRACTOR FOR ONE 1 YEAR. AN ADDITIONAL FOUR DOWN TO DIFFUSER VOLUME DAMPER LOCATED ABOVE SUPPLY <br /> ( ) CEILING. RETURN DIFFUSER. <br /> (4) YEAR WARRANTY SHALL BE PROVIDED ON ALL COMPRESSORS. _ DIFFUSER HARD CEILING) DIFFUSER MECHANICAL CONTRACTOR REFER TO GRILLE = ENGINEERS <br /> o MANUAL FLEXIBLE CONNECTION TO SUPPLY DIFFUSER SCHEDULE FOR TYPE AND Reece, Noland & McElrath, Inc. <br /> ALL MATERIALS AND EQUIPMENT TO BE INSTALLED PER MANUFACTURER'S INSTRUCTIONS AND GOOD VOLUME ELECTRICAL CONTRACTOR I NECK SIZE 94 Main Street <br /> DAMPER <br /> N o RECOMMENDED PRACTICES. NOTE: I Canton, North Carolina 28716 <br /> c� z <br /> PHONE:828-492-0677 NC CERT.N0.C-0149 FAX:828492-1054 <br /> = 10 00 1. ALL MANUAL VOLUME DAMPERS (FOR INSULATED DUCTWORK)SHALL I MAIL@RNM-ENGENEERS.COM p2018 WWW.RNM-ENGINEERS.COM <br /> ALL WORK AND MATERIALS SHALL MEET APPROVAL OF ARCHITECT/ENGINEER. SINGLE DROP <br /> 1,� o BE PROVIDED WITH AN ELEVATED REGULATOR(STAND-OFF) EQUAL TO <br /> THIS CONTRACTOR SHALL GIVE FULL COOPERATION TO OTHER TRADES. WHERE THE WORK OF THIS NOTE: NOTE : DURO DYNE SRST SERIES. STAND SHALL EXTEND A MINIMUM OF 2 <br /> 1� o CONTRACTOR WILL BE INSTALLED IN CLOSE PROXIMITY TO, OR WILL INTERFERE WITH WORK OF OTHER TRADES, <br /> 1. MANUAL VOLUME DAMPERS SHALL BE PROVIDED FOR ALL FLEXIBLE DUCT CONNECTIONS TO SHEET METAL SHALL BE BEYOND DUCTWORK WITH EXTENDED TAB/SHAFT. NOTE: <br /> 1� U HE SHALL ASSIST IN WORKING OUT SPACE CONDITIONS TO MAKE SATISFACTORY ADJUSTMENTS. IF THIS ALL SUPPLY AND RETURN SINGLE DROP DUCT RUNS. SECURED WITH NYLON STRAP AND 2 SHEET METAL SCREWS (MIN.). 2. MANUAL VOLUME DAMPERS SHALL BE PROVIDED FOR ALL SUPPLY THE SPIT SYSTEM A/C UNIT SPECIFIED ONLY REQUIRES A SINGLE BREAKER SPACE. <br /> No m CONTRACTOR INSTALLS HIS WORK BEFORE COORDINATING WITH OTHER TRADES, HE SHALL MAKE THE AND RETURN RUNOUTS. THE INSIDE UNIT IS SUB FED FROM THE OUTSIDE UNIT. ELECTRICAL CONTRACTOR IS <br /> o NECESSARY CHANGES IN HIS WORK TO CORRECT THE CONDITION WITHOUT EXTRA CHARGE. RESPONSIBLE FOR WIRING TO OUTSIDE UNIT. MECHANICAL CONTRACTOR IS <br /> RESPONSIBLE FOR WIRING FROM OUTSIDE UNIT TO INDOOR UNIT. M.C.TO FURNISH <br /> o DRAWINGS ARE DIAGRAMMATIC AND INDICATE THE GENERAL ARRANGEMENTS OF SYSTEMS AND WORK INCLUDED BOTH DISCONNECTS. <br /> IN THE CONTRACT. DRAWINGS ARE NOT TO BE SCALED. DUCTWORK DETAILS FLEX. CONNECTION DETAIL ROUND NECK DIFFUSER SPLIT SYSTEM WIRING DETAIL PLENUM CEILING RETURN GRILL <br /> z NO SCALE <br /> Cot = ALL DUCTWORK TO BE FABRICATED FROM GALVANIZED SHEET METAL AND INSTALLED ACCORDING TO NO SCALE NO SCALE NO SCALE NO SCALE <br /> o <br /> REQUIREMENTS OF NFPA 90A, SMACNA, AND ASHRAE GUIDE AND DATA BOOKS. <br /> =II V) 1`X111111itfill/, <br /> t° ALL FLEXIBLE DUCTWORK, FOR CONNECTIONS BETWEEN DIFFUSERS AND BRANCH DUCTS WHERE INDICATED, TO <br /> GALV. ALL-THREADED "All <br /> BE THERMAFLEX TYPE MKE . TO ANGLES ROD (TYP) <br /> „ CONTINUE UP TO 1/2 0 THREADED � om e <br /> v, 10 ALL DUCT SEAMS TO BE TAPED WITH FASSON �AFTS-100/3 SMACNA TAPE, OR EQUAL. 7' 1 STRAP STRUCTURAL ROOF SUPPORT. ROD. (TYP) P a� o <br /> `—' � SEE DETAIL " " SHEET �$e,� <br /> VOLUME CONTROL DAMPERS (BALANCING) SHALL BE INSTALLED IN EACH BRANCH OR ZONE DUCT. 1"STRAP fy,��a �aj•� <br /> r vgvvvpg4q <br /> .o BAND A INSULATION 1/0)y M0��`�`ti, <br /> DAMPERS WHICH ARE PART OF A MANUFACTURED AIR GRILL DO NOT MEET THIS REQUIREMENT. W17ititillo <br /> ALL SQUARE ELBOWS SHALL HAVE TURNING VANES INSTALLED. TURNING VANES SHALL BE APPLIED EQUALLY DUCT DUCT SPRING VIBRATION ISOLATORS. _ _ DUCT <br /> TO THE RETURN AIR SIDE. <br /> DUCTWORK SIZES INDICATED ON DRAWINGS ARE AS REQUIRED FOR FREE INSIDE AREAS. P W _� GALV.ANGLE NUT & LOCK WASHER. <br /> SCREW(TYP) TOP AND BOTTOM <br /> ALL DUCTWORK TO BE INSULATED WITH 2" BLANKET TYPE INSULATION 1 LB. DENSITY (MIN. R=6.5) WITH DUCTS UP TO DUCTS ABOVE ROUND <br /> lo <br /> VAPOR BARRIER JACKET OF .002 INCH THICK ALUMINUM FOIL LAMINATED. 48"WIDTH 48"WIDTH o GASKET <br /> ALL PIPING AND DUCTWORK TO BE SUSPENDED WITH APPROPRIATE HANGERS, INSTALLED AND SPACED PER NC LOW PRESSURE DUCTWORK SUPPORT LUGS. <br /> lo <br /> MECHANICAL CODE. <br /> 1"STRAP (IF PROVIDED) NUT & LOCK <br /> ALL SUPPLY GRILLES AND DIFFUSERS TO BE EQUIPPED WITH VOLUME CONTROLS. TO ANGLES WASHER. TOP <br /> <>- <? <br /> 1" HANGER AND BOTTOM. <br /> AIR HANDLING EQUIPMENT SHALL BE ISOLATED FROM DIRECT CONTACT WITH SUPPLY OR RETURN AIR RECTANGULAR OR STRAP <br /> DUCTWORK. FLEXIBLE CONNECTIONS SHALL BE INSTALLED BETWEEN THE EQUIPMENT AND DUCT. FLEXIBLE FLAT-OVAL DUCT <br /> CONNECTIONS SHALL BE MADE OF APPROVED FLAMEPROOFED FABRIC OR OTHER APPROVED NON—COMBUSTIBLE DUCT <br /> ll <br /> MATERIAL. � \ EQUIPMENT <br /> SECTION "A-A" <br /> X v, <br /> INDEPENDENT T&B AGENCY (AABC OR NEBB CERTIFIED) TO PERFORM ALL ADJUSTMENTS AND BALANCING OF o � 0) C <br /> SYSTEMS, EQUIPMENT, CONTROLS, ETC., NECESSARY FOR THE SYSTEM TO PROVIDE THE REQUIRED BAND if <br /> _ <br /> PERFORMANCE AND TO OPERATE SAFELY. SUBMIT CERTIFIED T&B REPORT, AND "AS—BUILT" DRAWINGS TO O <br /> ENGINEER SHOWING ACTUAL AIR FLOWS AT EACH GRILL INSTALLED UNDER THIS CONTRACT. REPORT GALV.ANGLE E CHANNEL • <br /> GALV.ALL-THREADED -_ ACCESS PANEL <br /> PROCEDURES TO BE PER AABC/NEBB GOOD PRACTICES AND RECOMENDATIONS. T&B TO BE PALMETTO OR ROD (TYP) ROUND C3X6 <br /> APPROVED EQUAL. T&B TO BE UNDER MECHANICAL CONTRACT. <br /> UPON COMPLETION OF ALL WORK AND ALL TESTS, INSTRUCT THE OWNER OR HIS REPRESENTATIVE FULLY IN CASING • W 1— <br /> THE OPERATIONS, ADJUSTMENTS, AND MAINTENANCE OF ALL EQUIPMENT FURNISHED. MED. AND HIGH PRESSURE DUCTWORK ' 4 <br /> GASKET Ca < E <br /> PROVIDE OWNER MAINTENANCE INSTRUCTIONS AND SCHEDULE FOR THE PRINCIPAL ITEMS OF EQUIPMENT EQUIPMENT SUPPORT DETAIL <br /> FURNISHED. MANUFACTURE DUCTWORK HANGER DETAILS MANUFACTURER'S ADVERTISING LITERATURE OR CATALOGS WILL NOT BE ACCEPTABLE. HANDLE INSIDE N <br /> � � � o <br /> NO SCALE NO SCALE <br /> > 0C=:= 0 <br /> V <br /> F_ <br /> 0 <br /> s 0 <br /> O o � = <br /> o = <br /> INSULATION FLEXIBLE <br /> R R R 1/2" [15mm] FACTORY FABRICATED LATCH WASHER <br /> SHALL SHALL co SHALL ROUND ROD PIN <br /> STIFFEN INSULATION no. revisions <br /> EQUAL �i�� EQUAL J��GI� EQUAL BLADE AS DUCT OUTSIDE END BEARING SECTION "B-B" <br /> RFQ1 IIRFn 7 <br /> OR BE OR BE TOR BE Tuuumf <br /> \-- GREATER GREATER VANE GREATER INSULATION <br /> STAND-OFF ACCESS DOOR <br /> + THAN W. VANE THAN THAN <br /> 1/3W. 1/6W. o DAMPER BLADE NOTES: <br /> 1/6W <br /> HANDLE WITH <br /> LOCKING 1. LATCHES SHALL BE OF THE WEDGE TYPE TO CLOSE DOORS TIGHTLY. <br /> STANDARD RADIUS QUAy INSIDE END BEARING 2. HINGES ON THE ACCESS DOORS SHALL HAVE NON-CORROSIVE PINS. <br /> ELBOW W W <br /> NOTE: 1/8" [6mm] <br /> CLEARANCE <br /> SHORT RADIUS ELBOW SHORT RADIUS ELBOW 1. ALL VANED ELBOWS SHALL BE CONSTRUCTED AND INSTALLED AS DETAILED BY SIDE ELEVATION ALL AROUND SECTION DESIGNERS NOTES. The oriuseginal <br /> site <br /> purposens <br /> f specifications shall11 e prepare to and <br /> original site purpose for which they were prepared and <br /> publication thereof is expressly limited to such use. Re-use, <br /> WITH ONE VANE WITH TWO VANES SMACNA. reproduction, modification, or publication by any method, in <br /> 1. USE ACCESS DOORS ON AIR HANDLING UNITS AND DUCTWORK INSTALLED IN EQUIPMENT ROOMS. whole or in part, is prohibited and the recipient shall defend, <br /> 2. WHEN W1 DOES NOT EQUAL W2 VANE SHALL BE SINGLE VANE TYPE indemnify and hold The architect harmless from and against any <br /> NOTE: , claims and losses arising therefrom.Title and all ownership rights <br /> REGARDLESS OF W DIMENSION. NOTE: 2. USE ACCESS PANELS ON ALL EQUIPMENT AND DUCTWORK INSTALLED ABOVE FINISHED CEILINGS. to the plans and specifications remain in the architect without <br /> 1. THE INTERIOR SURFACE OF ALL RADIUS ELBOWS SHALL BE MADE ROUND. use,inclue.ding <br /> It is i be returned upon request to the architect.Any <br /> use,including visual contact,with these plans and specifications <br /> 3. ALL SINGLE VANES SHALL HAVE A 2" [50mm] RADIUS, 1 1/2" [40mm] 1 DELETE INSULATION STAND-OFF ON DUCTWORK WITHOUT EXTERIOR INSULATION. <br /> . shall constitute prima facie evidence of the acceptance of the <br /> 2. ALL STANDARD RADIUS ELBOWS SHOWN ON FLOOR PLANS MAY BE MADE SHORT MAXIMUM SPACE BETWEEN VANES AND A 3/4" [20mm] TRAILING EDGE. foregoing. <br /> RADIUS ELBOWS. ALL SHORT RADIUS ELBOWS SHALL HAVE VANES. VANES SHALL 4. WHEN W EQUALS W2 AND W1 IS GREATER THAN 20" [500mm] VANES SHALL 2. DETAIL SHOWS SINGLE BLADE DAMPER. DAMPER INSTALLATION SHALL BE SIMILAR drawn checked <br /> BE CONSTRUCTED, SUPPORTED AND FASTENED AS RECOMMENDED BY SMACNA. FOR MULTI-BLADE DAMPERS & ROUND DAMPERS. ACCESS DOOR DETAIL <br /> BE DOUBLE VANE TYPE. KDs MRM <br /> NO SCALE MECHANICAL <br /> U <br /> rn <br /> w <br /> MITERED ELBOW TURNING VANE DETAILS & <br /> Q <br /> RADIUS ELBOW VANE DETAIL DETAIL BALANCE DAMPER DETAIL SPECIFICATIONS <br /> 0 <br /> NO SCALE NO SCALE NO SCALE sheet <br /> N <br /> 00 M 0 1 <br /> Ln <br /> n <br /> U <br /> u7 <br /> 0 <br /> U <br /> rn <br /> co <br /> v <br /> o date project no. <br /> 05/25/18 1708 <br /> w <br /> U <br /> O <br /> 0 <br />