MECHANICAL SYMBOLS AND ABBREVIATIONS
NOTE: ALL SYMBOLS AND ABBREVIATIONS SHOWNARE NOT NECESSARILY USED ON THE DRAWINGSMECHANICAL SYMBOLS AND ABBREVIATIONSGENERAL NOTESSYMBOLSSYMBOL20X20ACOUSTICAL DUCT LINING (FIGURESSHOWN ARE INSIDE DUCT DIMENSIONS20X20SUPPLY AIR DUCT UP (POSITIVE PRESSURE)20X20RETURN, EXHAUST OR OUTSIDE AIR INTAKEDUCT UP (NEGATIVE PRESSURE)20X20SUPPLY AIR DUCT DOWN (POSITIVE PRESSURE)RE: 2/M1.71SHEET NUMBERTHE DRAWINGS AND SPECIFICATIONS INDICATE THE GENERAL DESIGN AND ARRANGEMENTOF PIPES, FIXTURES, EQUIPMENT, SYSTEMS, ETC. INFORMATION SHOWN IS DIAGRAMMATIC INCHARACTER AND DOES NOT NECESSARILY INDICATE EVERY REQUIRED OFFSET, FITTING, ETC.DO NOT SCALE THE DRAWINGS FOR DIMENSIONS. TAKE ALL DIMENSIONS, MEASUREMENTS,EQUIPMENT LOCATIONS, LEVELS, ETC FROM THE ARCHITECTURAL DRAWINGS AND FROM THEEQUIPMENT TO BE FURNISHED. PIPING MAY BE RELOCATED OR OFFSET FOR PROPERCLEARANCES OR TO AVOID CONFLICTS WITH OTHER TRADES. THE DESIGN INTENT (I.E.PITCHES, VELOCITIES, PRESSURE DROPS, VOLTAGE DROPS, ETC) CANNOT BE GREATLYALTERED WITHOUT THE APPROVAL OF THE ARCHITECT. THE COST OF THESE DEVIATIONS TOAVOID INTERFERENCE'S SHALL BE PART OF THE ORIGINAL CONTRACT BID.10X10A 2501M301RETURN, EXHAUST OR OUTSIDE AIR INTAKEDUCT DOWN (NEGATIVE PRESSURE)20X20EACH SUBCONTRACTOR SHALL CONFER AND COOPERATE WITH ALL OTHER TRADES TOCOORDINATE THEIR WORK. COORDINATION SHALL INCLUDE, BUT SHALL NOT BE LIMITED TOMATERIALS AND EQUIPMENT ROUTED IN CEILING AND WALL CAVITIES, UIPMENTCLEARANCEREQUIREMENTS, ELEVATIONS AND DIMENSIONS OF STRUCTURAL MEMBERS AND OPENINGS,ETC. THE CONTRACTOR SHALL NOTIFY THE ARCHITECT OF ANY CONFLICTS.1RECTANGULAR DUCT SQUARE ELBOW WITHTURNING VANES6.CONNECTION INTO EXISTINGTHE OWNER OR ENGINEER ARE NOT RESPONSIBLE FOR THE CONTRACTOR'S SAFETYPRECAUTIONS OR FOR MEANS, METHODS, TECHNIQUES, CONSTRUCTION SEQUENCES, ORPROCEDURES REQUIRED TO PERFORM THE WORK.WTHE CONTRACTOR SHALL LOCATE ALL EQUIPMENT THAT MUST BE SERVICED, OPERATED, ORMAINTAINED IN FULLY ACCESSIBLE POSITIONS. EQUIPMENT SHALL INCLUDE (BUT NOTLIMITED TO) VALVES, MOTORS, CONTROLLERS, SWITCHGEAR, AND DRAIN POINTS IFREQUIRED FOR BETTER ACCESSIBILITY. FURNISH ACCESS DOORS FOR THIS PURPOSE.MINOR DEVIATIONS FROM THE DRAWINGS MAY BE ALLOWED TO PROVIDE FOR BETTERACCESSIBILITY. ANY CHANGES SHALL BE APPROVED BY THE ARCHITECT AND CONSTRUCTIONMANAGER/GENERAL CONTRACTOR PRIOR TO MAKING THE CHANGE.ABBREVIATIONSRECTANGULAR DUCT RADIUS GCUD(D)DEGDBDN(E)EATE/AEDHEFEQUIPEWTR 3W/2ROUND DUCT RADIUS ELBOWDR 3D/27.THE CONTRACTOR SHALL PROVIDE ACCESS DOORS, WALL OPENINGS, ROOF OPENINGS ORANY OTHER CONSTRUCTION REQUIREMENT NEEDED TO ACCOMMODATE THE MECHANICALEQUIPMENT. LOCATIONS OF THESE OPENINGS SHALL BE SUBMITTED IN SUFFICIENT TIME TOBE INSTALLED IN THE NORMAL COURSE OF WORK.8.THE CONTRACTOR SHALL COORDINATE ELECTRICAL REQUIREMENTS OF APPROVEDEQUIPMENT WITH THE ELECTRICAL CONTRACTOR PRIOR TO THE PURCHASE ANDINSTALLATION OF ANY ELECTRICAL GEAR OR CONDUIT.9.GENERAL CONTROL WIRING, THERMOSTATS, MOTORIZED DAMPERS AND CONDUIT ASSOCIATEWITH HVAC EQUIPMENT IS THE RESPONSIBILITY OF THE CONTRACTOR. THE CONTRACTORSHALL COORDINATE THE LOCATION OF ALL THERMOSTATS, ROOM SENSORS, ETC WITH THEARCHITECT AND ALL OTHER TRADES PRIOR TO INSTALLATION.IF A CONFLICT WITHMILLWORK, LIGHT SWITCHES, WINDOWS, ETC EXISTS, THE CONTRACTOR SHALL NOTIFY THEARCHITECT OF THE POTENTIAL INTERFERENCE PRIOR TO INSTALLATION.INSTALLTHERMOSTATS WITH PROTECTIVE LOCKING COVER, CENTERED AT 4'-0" ABOVE FINISHEDFLOOR, UNLESS OTHERWISE INDICATED. COMPLY WITH THE PROVISIONS OF THE AMERICANSWITH DISABILITIES ACT (ADA) AND THE TEXAS ACCESSIBILITY'S STANDARD (TAS).10.ALL DIMENSIONS SHOWN ON THE DRAWINGS FOR DUCTWORK ARE NET INSIDE CLEARDIMENSIONS. FOR RECTANGULAR DUCT, THE FIRST FIGURE OF THE DUCT SIZE INDICATESTHE DIMENSION OF THE FACE SHOWN. VERIFY THAT THE DUCTWORK SPECIFIED WILL FIT INTHE SPACE AVAILABLE USING THE ARCHITECTURAL, STRUCTURAL AND ELECTRICALDRAWINGS AS REFERENCE PRIOR TO FABRICATION AND INSTALLATION. ROUND DUCT OFEQUAL NET INSIDE CLEAR AREA MAY BE USED IN LIEU OF RECTANGULAR DUCT.11.PROVIDE TURNING VANES ON ALL RECTANGULAR SUPPLY, EXHAUST AND RETURNDUCTWORK INCLUDING THE TOP AND BOTTOM OF VERTICAL DUCTS.12.PROVIDE A LOCKING QUADRANT VOLUME DAMPER AT THE TAP OF EACH RUN-OUT TODIFFUSERS FOR BALANCING PURPOSES, UNLESS OTHERWISE INDICATED. THE RUN-OUTDUCT SIZE IS THE SAME SIZE AS THE DIFFUSER OR GRILLE NECK SIZE UNLESS OTHERWISEINDICATED.13.CEILING SPACE IS NEEDED AS A RETURN AIR PLENUM IN CERTAIN AREAS. FOLLOW ALLAPPLICABLE CODES AS TO MATERIALS ALLOWED FOR USE IN AIR PLENUMS. COORDINATEWITH THE GENERAL CONTRACTOR TO PROVIDE FREE RETURN OF AIR FROM ALL LOCATIONS.14.REFER TO ARCHITECTURAL DRAWINGS FOR LOCATION OF ALL FIRE RATED WALLS ANDCEILINGS.PROVIDE FIRE DAMPERS AND/OR COMBINATION FIRE/SMOKE DAMPERS INDUCTWORK AT ALL LOCATIONS WHERE DUCTS PASS THROUGH FIRE RATED ASSEMBLY.MECHANICAL CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING AND PROVIDING FIREAND SMOKE DAMPERS.COORDINATE CONSTRUCTION REQUIREMENTS WITH GENERALCONTRACTOR.15.LOCATION OF ALL GRILLES, REGISTERS, DIFFUSERS AND CEILING DEVICES SHALL BEDETERMINED FROM THE ARCHITECTURAL REFLECTED CEILING PLANS AND WALL SECTIONS.COORDINATE ALL CEILING DIFFUSERS AND GRILLE LOCATIONS WITH LOCATION OF LIGHTS.16.ALL DUCTWORK SHALL BE SHEET METAL FABRICATED IN ACCORDANCE WITH SMACNASTANDARDS. ALL DUCT WORK FROM AHU TO TERMINAL UNIT SHALL BE CONSTRUCTED TO 1"W.G. AND SEALED TO SMACNA CLASS A. DUCT WORK DOWN STREAM OF TERMINAL UNITSSHALL BE CONSTRUCTED TO 1/2" W.G. AND SEALED TO SMACNA CLASS C. SEAL ALL SEAMSWITH UL 181 MASTIC RATED FOR APPLICATION.17.INSTALLDX PIPINGAS ON/CHARGING VALVES AND ALL APPURTENANCES PER MANUFACTURER'SRECOMMENDATIONS. INSTALLATION SHALL BE ACCOMPLISHED IN A NEAT AND ORDERLYFASHION, AS APPROVED BY THE ENGINEER. COORDINATE FOR ROUTING OF DX PIPING, UPINSIDE OF WALLS, ETC. AS REQUIRED, TERMINATING AT AHU's. PROVIDE BRACING/ISOLATION,AS REQUIRED TO PREVENT VIBRATION OF DX PIPING INSIDE WALLS, ETC. SIZE, ROUTE ANDINSULATE DX PIPING PER MANUFACTURER'S RECOMMENDATIONS AND SPECIFICATIONREQUIREMENTS.18.PROVIDE VIBRATION ISOLATORS FOR MOTOR DRIVEN EQUIPMENT UNLESS NOTEDOTHERWISE. PROVIDE ISOLATION AS INDICATED OR AS RECOMMENDED BY THE EQUIPMENTMANUFACTURER.19.SOME PIPES AND DUCTS SHOWN ON EACH FLOOR PLAN MAY BE SHOWN WITH AN OFFSETFOR CLARITY.20.SEAL ALL PIPE AND DUCT PENETRATIONS THROUGH FIRE RATED BUILDING ELEMENTS WITHAN APPROVED FIRE PROOFING MATERIAL.21.ALL EQUIPMENT SHALL HAVE IDENTIFICATION TAGS. TAGS SHALL BE PLASTIC LAMINATE,WHITE FACE WITH 1/2" TALL BLACK LETTERS.THE TAG SHALL MATCH THE UNITDESIGNATIONS SHOWN ON THE SCHEDULES.22.THE CONTRACTOR SHALL EXPAND OR REDUCE DUCTS AT EQUIPMENT CONNECTIONS BASEDON THE EQUIPMENT PURCHASED, WITH TRANSITIONS NOT TO EXCEED 30 DEGREES. SIZESSHOWN ON SCHEDULES, ETC. ARE FOR GUIDANCE ONLY. ASPECT RATIO SHALL BE NOGREATER THAN 4:1, PER SMACNA'S GUIDELINES.23.ALL DUCTS WITH A DIMENSION GREATER THAN 12" PASSING THRU A NON-RATED WALL SHALLHAVE THE OPENING FRAMED IN WITH METAL STUDS. CONTRACTOR SHALL COORDINATEOPENING SIZE AND LOCATION WITH OTHER TRADES.24.PRIOR TO INSTALLATION COORDINATE ALL MECHANICAL WORK WITH PNEUMATIC TUBESYSTEM BY OTHERS.16X2020X20TRANSITION CONCENTRIC UNLESS TOP LEVEL(TOP LVL)OR BOTTOM LEVEL(BOT LVL) IS NOTED20X20TRANSITION, RECTANGULAR TO ROUND CONCENTRICUNLESS TOP LEVEL (TOP LVL) OR BOTTOM LEVEL(BOT LVL) IS NOTEDSQUARE CEILING DIFFUSER (SUPPLY)(4-WAY UNLESS OTHERWISE INDICATED)SQUARE CEILING GRILLE(RETURN OR EXHAUST)TTHERMOSTAT (OR) TEMP SENSORDUCT SPLITTER WITH DAMPERMMOTORIZED DAMPERorMANUAL VOLUME DAMPERFDFSDFCUFDFLAFLRFPVAVFSDFT.FT. WGGAGPMHHPHPCHPSHWRHWSHZIN.IN.WGJ-BOXkWFIRE DAMPERFIRE SMOKE DAMPERPRIMARY MECHANICAL CODES :MECHANICAL:2003 INTERNATIONAL MECHANICAL CODE (WITH CITY AMENDMENTS).ENERGY:2003 INTERNATIONAL ENERGY CODE (WITH CITY AMENDMENTS).PROJECT DESIGN VALUES:OUTDOOR DESIGN TEMPERATURE (SUMMER):AMBIENT TEMPERATURE AT CONDENSING UNITS:OUTDOOR DESIGN TEMPERATURE (WINTER):INDOOR DESIGN TEMPERATURE (SUMMER):INDOOR DESIGN TEMPERATURE (WINTER):OUTSIDE AIR REQUIREMENTS:DRAWING NOTE REFERENCE (I.E., NOTES BY SYMBOL)PER IMC TABLE 403.3ACCESS DOORAIR CONDITIONING UNITARCHITECT/ENGINEERABOVE FINISHED FLOORAIR FLOW SWITCHAIR HANDLING UNITAPPROXIMATEBUILDING AUTOMATION SYSTEMBRAKE HORSE POWERBRITISH THERMAL UNIT PER HOURCOMBUSTION AIRCOOLING COILCUBIC FEET PER HOURCUBIC FEET PER MINUTECEILINGCONDENSING UNITEQUIPMENT DRAINEQUIPMENT TO BE REMOVEDDEGREESDRY BULBDOWNEXISTINGENTERING AIR TEMPERATUREEXHAUST AIRELECTRIC DUCT HEATEREXHAUST FANEQUIPMENTENTERING WATER TEMPERATUREDEGREES FAHRENHEITFAN COIL UNITFIRE DAMPERFULL LOAD AMPSFLOORFAN POWERED VAVFIRE SMOKE DAMPERFOOT, FEETFEET WATER GAUGEU.S. GAUGEGALLONS PER MINUTEHEIGHTHORSEPOWERHIGH PRESSURE CONDENSATEHIGH PRESSURE STEAMHEATING WATER RETURNHEATING WATER SUPPLYHERTZINCH, INCHESINCHES WATER GAUGEJUNCTION RPMRSS/ASDSFSPECST, LEAVING AIR TEMPERATURELOW PRESSURE CONDENSATELOW PRESSURE STEAMPOUNDSLOCKED ROTOR AMPSLEAVING WATER TEMPERATUREMAXIMUM1000 BRITISH THERMAL UNITS / HOURMINIMUM CIRCUIT AMPACITYMANUFACTURERMINIMUMNEW EQUIPMENTNOT APPLICABLENORMALLY OPEN, NORMALLY CLOSEDOUTSIDE AIR/FRESH AIROPPOSED BLADE DAMPERON CENTERPURGE EXHAUST FANPHASEFURNISH AND INSTALLPRESSURE REDUCING VALVEPOUNDS PER SQUARE INCHEQUIPMENT TO BE RELOCATEDRETURN AIRREFERENCE, REFERREFRIGERANT LIQUIDRUNNING LOAD AMPSROOMREVOLUTIONS PER MINUTEREFRIGERANT SUCTIONSUPPLY AIRSMOKE DETECTORSQUARE FOOT, SUPPLY FANSPECIFICATIONSTHERMOSTAT, ROOM SENSORTRANSFER AIRTHROUGHTOTAL STATIC PRESSURETHERMOSTAT OR ROOM SENSORTYPICALUNDERWRITERS LABORATORIES, INC.UNIT HEATERVOLTSVARIABLE AIR VOLUMEVELOCITYVARIABLE FREQUENCY DRIVEWITHWET BULBWITHOUTEMAIL: mail@schwarz-hanson.comMISCELLANEOUSC. CONNELLY SURVEY ABSTRACT No. 319 TARRANT CO., TXCITY OF WESTWORTH VILLAGE, TEXASBASE FINAL INSTALLATION OF MATERIALS AND EQUIPMENT ON ACTUAL DIMENSIONS ANDCONDITIONS AT THE PROJECT SITE. FIELD MEASURE FOR MATERIALS AND EQUIPMENTREQUIRING EXACT FIT. NO EXTRAS WILL BE GIVEN FOR THE CONTRACTORS FAILURE TOFIELD COORDINATE.FAX: 817-377-3612ROUND DUCT UPPHONE: 817-377-36005.ELEVATION NUMBERSHEET NUMBERROUND DUCT DOWN4.NECK SIZE OR WIDTH X HEIGHT(FOR LOUVERS)AMOUNT OF AIRDIFFUSER, GRILLE DESIGNATIONFORT WORTH, TEXAS 761163.REFER TODRAWING/DETAIL NUMBERDESCRIPTION2570 RIVER PARK PLAZA SUITE 1002.PERFORM ALL WORK IN ACCORDANCE WITH ALL APPLICABLE CODES AND AUTHORITIESHAVING JURISDICTION. PROVIDE ALL PERMITS, INSPECTIONS, LICENSES AND FEES. FURNISHALL LABOR, EQUIPMENT, SUPPLIES AND MATERIALS NECESSARY TO PROVIDE COMPLETE ANDOPERATIONAL SYSTEMS.A NEW LEASE FACILITY FOR1.DRAWING/DETAIL REFERENCE2/6/2012M0.1MECHANICAL LEGENDS AND SCHEDULESNTS4458.2.6.2012.11107
THE CENTRAL CONTROL PANEL SHALL INDEX THE AHU FOR "UNOCCUPIED" PERIODSBASED ON USER DEFINED OCCUPANCY SCHEDULE. DURING "UNOCCUPIED" MODE THE UNITFAN, HEATING, AND COOLING SHALL CYCLE TO MAINTAIN THE HEATING AND COOLING SET4CU-115 L6/615 L6/6COOLING MODE:222333567814UPON A MAJORITY CALL FOR COOLING BY THE ZONE TEMPERATURE SENSORS, THECOMPRESSOR(S) SHALL BE ENERGIZED. WHEN ALL ZONE TEMPERATURE SENSORSHAVE BEEN SATISFIED, THE REVERSE SHALL OCCUR.B10260109EF-3AC-1HEAT PUMP SHALL BE ENERGIZED. ON A CONTINUED DROP IN SPACE TEMPERATURE,THE ELECTRIC HEATING ELEMENT SHALL BE ENERGIZED. ON A RISE IN SPACEEF-241136T CCPDE-ENERGIZED AND THE ELECTRIC HEATING ELEMENT SHALL BE ENERGIZED TOMAINTAIN THE HEATING SETPOINT.A6 1124012A611040A6351318"x18"11515 L6/6EF-1VAV-2-212INSTALL HVAC CENTRAL CONTROL UNITS THIS LOCATION.13MOTORIZED DAMPER TO BE INTERLOCKED WITH AHU. DAMPER IS TOCLOSE WHEN AHU FAN IS OFF AND OPEN WHEN AHU FAN IS ON.14PROVIDE INSULATED SHEET METAL PLENUM FULL SIZE OF LOUVER AND18" DEEP. SEE ARCHITECTURAL DRAWINGS FOR LOUVER LOCATION ANDSIZE.15MOUNT GRILLE IN SOFFIT, TRANS AT GRILLE AS REQUIRED.16COORDINATE DUCT ROUTE WITH STRUCTURAL.1085 G22/22110716"x12" 8BYPASS VAV SYSTEM OPERATION:ZONE CONTROL DAMPERS, BYPASS DAMPER, ZONE TEMPERATURE SENSORS, BYPASSCONTROLLER, CENTRAL CONTROL PANEL WITH PROGRAMMABLE TIME CLOCK AND ALLACCESSORIES NECESSARY FOR AN OPERABLE PRESSURE INDEPENDENT BYPASS VAVSYSTEM, SHALL BE PROVIDED BY A SINGLE VENDOR IN COORDINATION WITH THEPACKAGED HEATING AND AIR CONDITIONING UNITS MANUFACTURERS.G22/22 58 10"x8"A10240AHU-2B10360T111 G22/22 55 G22/22VAV-2BA101142101 VAV-2-118"x16"A DUCT MOUNTED SMOKE DETECTOR SHALL BE MOUNTED IN THE RETURN AIRDUCT OF AHU-1. UPON DETECTION OF PRODUCTS OF COMBUSTION AS SENSEDBY THE DETECTOR, THE DETECTOR SHALL SHUT DOWN THE FAN MOTOR ANDCONTROL SYSTEMS FOR THE RTU AND ACTIVATE A VISIBLE AND AUDIBLESUPERVISORY SIGNAL ON SYSTEM SENSOR SSK451 MULTI-SIGNALINGACCESSORY. RESET SHALL BE MANUAL.11910VAV-1-35 G22/228 16"x16"TSMOKE DETECTOR:116"x14"HEATING MODE:PROVIDE CONDENSATE OVERFLOW ALARMMOUNT CENTER LINE OF SLOT DIFFUSERS AT 10'-6" A.F.F.LINED TRANSFER DUCT. SEE 'ACOUSTICALLY LINED TRANSFER DUCT DETAIL' ONSHEET M6.1.PREBALANCE TO CFM INDICATED. TYPICAL FOR SLOT DIFFUSERS IN VESTIBULE.RETURN DUCT FULL SIZE OF CONNECTION. ROUTE UP THRU METAL DECK ANDTERMINATE.INSTALL SMOKE DETECTOR IN RETURN DUCT OF AHU-2.8 20"x12"B102701 VAV-2-1A NEW LEASE FACILITY FORREMAIN CLOSED.HP-1HP-2SPLIT SYSTEM OUTDOOR UNIT, PAD AND ANCHORS SHALL BE RATED FOR 150MPH WIND CRITERIA.DUCTLESS SPLIT SYSTEM AIR HANDLER (AC-1) LOCATED IN CEILING GRID SUPPORT FROMSTRUCTURE PER MANUFACTURES RECOMMENDATIONS.LINED 22X22 DUCT ELBOW FROM GRILLE (MARK G22/22). SEE 'RETURN GRILLEDETAIL' ON SHEET M6.1.103A1243014"x14"ZONE CONTROL DAMPERS SHALL BE UNDER CONTROL OF THEIR RESPECTIVE ZONETEMPERATURE SENSORS.DURING COOLING, THE ZONE DAMPERS SHALL MODULATE CLOSED ON A FALL IN ZONET16"x12" 87A10365E1225510240"x18"VAV-2-3111618"x14"120"x12" 81061G22/22 513A12430DURING HEATING, THE ZONE DAMPER OPERATION SHALL REVERSE CONTROL ACTIONTZONE DAMPER SHALL MODULATE OPEN, ON A RISE IN ZONE TEMPERATURE ABOVE THEVAV-1B117TCOOLING AND HEATING OPERATION SHALL BE ESTABLISHED BY SYSTEM VENDORSSTANDARD METHODS. DUCT DISCHARGE STATIC PRESSURE SHALL BE CONTROLLEDSUCH THAT IN A RISE IN DUCT STATIC PRESSURE ABOVE SETPOINT, THE BYPASS DAMPERSHALL MODULATE OPEN. ON A FALL IN DUCT STATIC PRESSURE THE REVERSE SHALLOCCUR. SET POINT SHALL BE COORDINATED WITH EQUIPMENT VENDOR.7118G22/22 5E1225510540"x18"G22/225120START-UP AND FIELD TEST FOR PROPER OPERATION OF ALL AHUs SHALL BEACCOMPLISHED BY, OR BE UNDER DIRECT SUPERVISION OF, A TECHNICIAN CERTIFIED BYTHE MANUFACTURER. (2) COPIES OF THE START-UP REPORT SHALL BE SENT TO THEENGINEER PRIOR TO FINAL ACCEPTANCE.8 16"x12"A695119EXHAUST FANS SHALL BE CONTROLLED BY THEIR RESPECTIVE LIGHT SWITCH.VAV-1-1T10116"x12" 8EF-2 AND EF-3AHU-1 1 1151G22/22A12345104B10250EF-1:16EXHAUST FAN SHALL BE INTERLOCKED WITH AHU-1 AND SHALL OPERATE AS FOLLOWS:EXHAUST FAN SHALL BE ENERGIZED WHEN AHU IS INDEXED FOR "OCCUPIED" MODE.WHEN AHU IS INDEXED FOR "UNOCCUPIED" MODE, THE EXHAUST FAN SHALL BE DEENERGIZED.M8M81010NUMBER104BDUCTLESS SPLIT SYSTEM:CU-1 AND AC-1:COOLING MODE:1009THE COMPRESSOR(S) SHALL BE ENERGIZED. ON A DROP IN TEMPERATURE THEREVERSE SHALL OCCUR.CONDENSATE OVERFLOW DETECTION ALARM:UPON DETECTION OF WATER IN THE CLOGGED PRIMARY LINE, THE ALARM WILLACTIVATE AN LED AND BUZZER, AND IT WILL DE-ENERGIZE THE CONDENSINGUNIT. WHEN THE ALARM CONDITION IS RESOLVED AND PROBES ARE DRIED, THESYSTEM WILL BE AUTOMATICALLY RESET TO NORMAL OPERATION.MECHANICAL FLOOR PLAN1/8" 8109110111112113114115116117118119120ROOM SCHEDULENAMEEMAIL: mail@schwarz-hanson.com3UNOCCUPIED OPERATION:FAX: 817-377-36122EQUIPMENT AND DUCTWORK ROUTED IN PLENUM SPACE BELOW ATTICINSULATION.REFRIGERANT LINES SUPPORT ON AND CLAMP TO UNI-STRUT CHANNEL ANCHOREDTO PAD 48" O.C. PAINT ELECTROMETRIC INSULATION WITH TWO COATS UV RATEDPAINT. INSULATED REFRIGERANT LINES - ROUTE UP THRU STUD WALL CAVITY TOABOVE CEILING. PROVIDE WALL SUPPORT. CAULK AROUND EXTERIOR WALLPENETRATIONS.C. CONNELLY SURVEY ABSTRACT No. 319 TARRANT CO., TXCITY OF WESTWORTH VILLAGE, TEXAS1THE CENTRAL CONTROL PANEL SHALL INDEX THE AHU FOR "OCCUPIED" PERIODS BASED ONUSER DEFINED, PROGRAMMABLE. DURING "OCCUPIED" MODE, THE CONTROL SYSTEM SHALLBE PLACED IN OPERATION, THE OUTSIDE AIR DAMPER SHALL OPEN AND THE SUPPLY FANSHALL RUN CONTINUOUSLY. THE CENTRAL CONTROL PANEL SHALL CONTROL, IN SEQUENCE,THE HEATING MODE AND COOLING MODE ACCORDING TO THE ZONE TEMPERATURE SENSORSSETPOINTS.PHONE: 817-377-3600AHU-1 AND AHU-2:OCCUPIED OPERATION:#FORT WORTH, TEXAS 76116NOTES2570 RIVER PARK PLAZA SUITE 100SEQUENCE OF OPERATIONVESTIBULEGREETERLOBBYWAITING AREATRAINING ROOMCOAT CLOSETMSR 1MSR 2ASSISTANT MANAGERMANAGERMSRWOMEN'S TOILET ROOMCORRIDORMEN'S TOILET ROOMTELE/COMM/ELEC ROOMBREAK ROOMJANITOR'S STORAGE CLOSETVAULT ROOMWORK ROOMTELLER AREAIRT / ATM PROCESSING AREAEXPRESS AREA2/6/20124458.2.6.2012.111078'08'1/8" 1'-0"16'M2.1
STRUCTURECONTROL PANELVIBRATION ISOLATORS30"30"FLEX. CONNECTIONFLEX CONNECTION (TYPICAL)CLEARANCEZONE FORDISCONNECT(TYPICAL)MSUPPLY AIR DUCT36"EXTERIOR WALL15"RETURN AIR DUCTCLEARANCEZONE FORDISCONNECT(TYPICAL)15"15"SUPPLY DUCT36"15"NOTE 3CEILING OR STRUCTUREHIGH PRESSURE FLEXIBLE DUCTMAX. 2 FT LENGTHDUCT SHALL BE 2" LARGER THANBOX VALVE SIZE.EXTERIOR WALLOF BUILDINGNOTE 1SEE DETAIL NOTE 3MECHANICAL CONTRACTOR TO SUSPENDFROM STRUCTURE. USE 3"x3"x1/4" PAINTEDOR GALVANIZED ANGLE SUSPENDED USING3/8" ALL THREAD RODS.NOTE 4PRIMARY AIRBOX INLETW/ AVERGINGAIR FLOW SENSORNOTE 4TRANSITION TO DUCT SIZE, AS REQ'D.NOTES FOR DETAIL:1. DUCT CONNECTION TO BE SAME SIZE AS INLET. WITH A MINIMUM STRAIGHT4.2. STAINLESS STEEL CLAMPS SHALL BE USED TO SECURE FLEX DUCT.53. SUPPORT BOX FROM STRUCTURE WITH ALL THREAD RODS.PROVIDE VIBRATION ISOLATION AS REQUIRED.6.TYPICAL AHU DETAILTYPICAL OUTDOOR UNIT DETAILTYPICAL TERMINAL UNIT DETAILNO SCALENO SCALENO SCALEEMAIL: mail@schwarz-hanson.comNOTES:FAX: 817-377-36123.PHONE: 817-377-36002.FORT WORTH, TEXAS 761162570 RIVER PARK PLAZA SUITE 1001.LOCKING QUADRANTDAMPER W/ SHAFT EXTENSIONAND 2" BUILD OUT6' MIN.,TYP.CONICAL SPIN TAPREQ'D AT EACH RUN-OUT TAP TO EVERY TERMINALSUPPLY AIR DEVICE, AND OTHERWISE AS INDICATED.EXHAUST GRILLETYPICAL EXHAUST FAN DETAILTYPICAL TAP DETAILNO SCALENO SCALEPLAN VIEWPARTITIONMINIMUM LENGTHEQUAL TO THEHEIGHTSEALANT AND CLAMPSRIGID DUCT MINIMUMLENGTH OF 2 TIMES THEDUCT DIAMETERFACTORY INSULATED FLEXIBLE DUCTFULL NECK SIZE OF DIFFUSER6'-0" MAXIMUM LENGTHVOLUME DAMPER1" ACOUSTICALDUCT LINERHEIGHTDUCT SUPPORTEDFROM STRUCTUREABOVEC. CONNELLY SURVEY ABSTRACT No. 319 TARRANT CO., TXCITY OF WESTWORTH VILLAGE, TEXASEXHAUST FANWITH INTEGRALBACKDRAFT DAMPERPARTITIONA NEW LEASE FACILITY FORTO LOUVEROR WALL CAPAIRAIRFLOWFLOWSTRUCTURE ABOVECEILING GRID1" ACOUSTICALDUCT LINERSEALANT AND CLAMPSCEILING GRIDINSULATIONCEILINGSECTION VIEW30" MINIMUMNOTE: SEE PLAN FOR INSIDE CLEAR DIMENSION.DIFFUSERRETURN GRILLE (G22/22)RETURN GRILLE DETAILNO SCALEFLEXIBLE DUCT CONNECTION DETAILACOUSTICALLY LINEDTRANSFER DUCT DETAILNO SCALENO SCALE2/6/2012M6.1MECHANICAL DETAILSNTS4458.2.6.2012.11107
Feb 06, 2012 · abbreviations general notes mechanical symbols and abbreviations note: all symbols and abbreviations shown are not necessarily used on the drawings . with hvac equipment is the responsibility of the contractor. the contractor shall coordinate the lo
radiation symbols pipe fittings refrigeration valves/fittings valves hvac piping temperature control/monitoring fire protection system medical steam piping duct symbols plumbing mechanical / plumbing symbols and abbreviations abbreviations drawing notations sections and details. north first floor plan - mechanical demolition
Symbols, Abbreviations and Trademarks Symbols, Abbreviations This manual uses several symbols and abbreviations. The meaning of those symbols and abbreviations are as follows: Symbol What it means Clip ring Screw Connector Clamp E-ring Flat Flexible Cable Timing Belt SEF Short Edge Feed LEF Long Edge Feed
Custom Symbols underneath Basic Symbols in the Symbols pane of the Graphics Editor. Upon drill-down, further layers of Custom Symbols open up. Level 1: This level contains folders and symbols such as region name folders, the Symbols folder, and several .json files, amongst others. In the Metasys UI, expand the Custom Symbols accordion
piping symbols mechanical symbols: single line ductwork symbols double line mechanical abbreviations: general notes: delivery, storage, and handling welding diffuser symbols piping cont'd. control symbols 140 park avenue new city, ny 10956 tel 845-708-9200 www.shilale.com 1/2 if this bar does not measure 1" then drawing is not to full scale 1 0
Use the built-in ACM symbol tools to quickly create standards-based surface texture symbols, datums, geometric dimensioning and tolerance symbols, targets, weld symbols, and notes. Quickly modified the symbols via a double-click. AUTOCAD MECHANICAL SYMBOLS ACM treats these symbols as an annotation, like a dimension, meaning they honour
Standard terms, abbreviations and symbols. Terms, abbreviations and symbols are not rigidly defined by NFPA 72, but there are a number which are commonly used and it is essential to include a legend of the abbreviations and symbols used in a design. The following is a legend sheet from a recent fire alarm project: Thomas Mason Page 4 of 38
material symbols abbreviations line types . a-1 architectural sheet index, gene ral notes, symbols and abbreviations a-2 building code key determinations and life safety plans a-3 bus maintenance and operations facility overall floor plans a-4 operations facility ground floor plan
Alfredo López Austin and Leonardo López Luján 18.3. Schematic map of the successive relocations of the Tizoc Stone (1–5) and the Archbishop’s Stone (A–B), by Tenoch Medina. was the one that has been unearthed for the second time at the site where the Cathedral of Mexico City is being constructed. This stone now stands at the western doorway of the church. The ancients call this the .
