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07-1661-083WATER HEATER FRESH AIR INTAKE 3" OR 4" PVC, ABS OR CPVC INTAKE VERTICALLY OR HORIZONTALLY. 3" MAX. 50 EQUIVALENT FEET, PIPING ARRANGEMENT SHOWN IS SCHEMATIC. ADJUST TO SUIT 4" MAX. 120 EQUAVALENT FEET. FIELD CONDITIONS. REFER TO ISOMETRIC RISER FOR PIPE SIZES. OVIDE A 2107 SIZES. SET HEATER THERMOSTAT AT 110' F. TEMPERATURE AND 150 PSI PRESSURE RELIEF VALVE HEAT TRAP WITH TEST LEVER SIZED WITH AGA /CGA TEMPERATURE STEAM RATING 10% OVER HOT WATER TO FIXTURES E`TEq0j q­'11 , AS SHOWN ON PLANS PROVIDE A HARD, COPPER RELIEF VALVE DISCHARGE OF PROVIDE FULL PORT BALL LINE FULL SIZE U SHUTOFF VALVES ' VALVE OUTLET RUN Lj TO FLOOR DRAIN IN SAME 8 ROOM WITH A VISIBLE AIR GAP IN PROVIDE PIPE UNIONS, SAME ROOM PER FLORIDA DIELECTRIC IF REQUIRED BUILDING CODE 2004 SEC. FOR DISSIMILAR METALS. 504.7 AND 504.7.1 GAS SHUTOFF COCK � MIN. 4 GAL. COLD WATER SUPPLY 6" LONG DIRT LEG EXPANSION TO WATER HEATER. GROUND JOINT UNION TANK RECIRCULATION BURNER THERMOSTAT CHECK PUMP AQUASTAT AW AND PRESSURE REGU- VALVE TIME CLOCK _ " LATOR FURNISHED HEAT TRAP WITH WATER HEATER. HOT WATER WATER HEATER EXHAUST VENT FLOOR RECIRCULATION LINE 3" OR 4" PVC, ABS OR CPVC VENT VERTICALLY OR HORIZONTALLY. 3" MAX. 50 EQUIVALENT FEET, 4" MAX. 120 EQUAVALENT FEET. DRAIN VALVE BY DRAIN PAN WITH ROVIDE A DRAIN -PAN, RUN HEATER MANUFACT. MINIMUM 2" HIGH SIDES OVERFLOW LINE TO FLOOR DRAIN IN THE SAME ROOM WITH AN AIR GAP. 8 NOTE: DETAIL BASED ON "A.O. SMITH CYCLONE" MODEL FOR THE PRE - ENGINEERED VENTILATION SYSTEM. CONSULT WITH ACTUAL MANUFACTURE FOR EXACT VENTILATION REQUIREMENTS IF DIFFERENT MODEL IS INSTALLED. GAS WATER HEATER DETAIL NOT TO .SCALE I NOTES: 1. ALLOW SUFFICIENT SPACE BELOW DRAIN PAN FOR TRAP 2. PITCH DRAIN FOR PROPER RUNOFF. 3. MANUALLY PRIME FILL TRAP BEFORE START -UP TO FORM INITIAL DRAIN SEAL. 4. SUPPORT LENGTHY DRAIN LINES TO PREVENT SAG AND CONDENSATE OVERFLOW. A/C UNIT CLEANOUT VENT LINE CAP (TYP.) PERFORATED CAP F�F PITCH DRAIN PAN PITCH d DRAIN PIPE v •• TO MATCH DRAIN OUTLET SIZE. .. (a) THIS DIMENSION IN INCHES MUST BE EQUAL TO THE MAXIMUM FAN SUCTION THIS STANDARD DETAIL MUST (NEGATIVE) STATIC PRESSURE IN INCHES BE REVIEWED AND SITE WG (WITH DIRTY FILTERS, COILS, AND ADAPTED BY CONTRACTOR MAXIMUM AIR FLOW) + 1" W.G. PRIOR TO USE FOR FINAL EQUIPMENT. (b) THIS DIMENSION IN INCHES MUST BE .EQUAL TO MIN. 1/2 OF THE (a) ABOVE (c) EQUALS (a) + (b) + PIPE DIA. + + INSULATION DRAW THRU UNINOT TCONDENSATE TRAP SCALE PROVIDE TEST TEE WITH SCREWED COUNTER- SUNK ABS PLASTIC PLUG: TAPERED - THREAD WITH TFE JOINT COMPOUND. J WHERE CLEANOUT TEE _ IS CONCEALED IN A CHASE OR PARTITION, PROVIDE A ROUND 18 GAUGE STAINLESS STEEL COVER WITH BEVELED l EDGES AND FLATHEAD MACHINE SCREW. E ' A: CONCRETE FLOOR SLAB COLUMN OR PARTITION AS SHOWN ON FLOOR PLAN CLEANOUT FACE SHALL BE WITHIN 4" OF WAU_ SURFACE. PROVIDE PIPE EXTENSION IF REQUIRED. NOTE: PROVIDE WCO WHERE SHOWN ON PLAN, AND ON SANITARY WASTE BRANCHES NOT SERVED WITH A FLOOR CLEANOUT. LOCATE ABOVE FIXTURE FLOOD RIM WITHIN 4' OF FLOOR. CONSULT LOCAL CODES FOR OTHER WCO REQUIREMENTS. WALL CLEANOUT DETAIL NOT TO SCALE BY GAS COMPANY (VERIFY) BY PLUMBING CONTRACTOR PRESSURE TEST COCK =Ar-r _,�-- BUILDING WALL. GAS METER OF CFH GAS PIPE UP INTO BLDG. CAPACITY SHOWN SIZE AS SHOWN ON PLAN. ON PLANS USE BLACK STEEL PIPE. STRAINER PIPE INCREASER. (OPTIONAL) - DIRT LEG AT BOTTOM OF RISER ANCHOR RISER TO WALL. GRADE OR FLOOR PAVEMENT I +L PRESSURE REGULATOR TO REDUCE PRESSURE TO 7" WC. SHUT -OFF VALVE VERIFY REQUIREMENTS FOR METERING AND PIPING WITH GAS COMPANY. CONTRACTOR SHALL PAY ALL GAS COMPANY FEES FOR' INSTALLATION. USE WELDED OR SCREWED PIPE AND FITTINGS PER PLUMBING SPECS. GAS SERVICE•'"DETAIL NOT TO SCALE PROVIDE AN INDIVIDUAL VENT ON ALL FLOOR DRAINS. INSTALL VENT IN PARTITION OR CHASE WHERE SHOWN ON PLAN. HORIZONTAL VENT BELOW FLOOR IS NOT PERMITTED. OTHER VENTING METHODS MAY BE USED IF APPROVED BY LOCAL CODE. CONCRETE FLOOR d .4 e. MEMBRANE CLAMP- ING COLLAR AND SEEPAGE PAN MAXIMUM TAILPIECE LENGTH IS 2 FEET UNLIMITED DISTANCE SLOPE WASTE AT WHERE ENLARGED WASTE TWO PERCENT LINE IS USED AS A COMBINATION DRAIN AND VENT SYSTEM. PROVIDE TRAP PRIMER MAX.10' ON 3" WAS MAX.6' ON 2" WASTE LOCATE FLOOR DRAINS WHERE SHOWN ON DIMENSIONED ARCHITEC- TURAL PLAN. IF FLOOR STRUCTURE INTERFERES WITH FLOOR DRAIN, MOVE SIDEWAYS IF POSSIBLE, OTHERWISE MOVE BACK. ALWAYS LOCATE WHERE EASILY ACCESSIBLE, BUT NOT IN FOOT TRAFFIC. IF SITUATION IS FLOOR SLAB ON GRADE, PROVIDE BACKFILL PER SPECIFICATIONS. IF CONCRETE FLOOR IS NOT EXISTING, SET DRAIN IN PLACE AND POUR AROUND IT. IF CONCRETE FLOOR IS EXISTING, SAW CUT OR CORE DRILL IT. SET DRAIN BODY IN PLACE AND POUR AROUND IT. RECESS TOP OF FLOOR DRAIN 1/2" BELOW FLOOR SURFACE AND SLOPE FLOOR TO IT. FLOOR DRAIN DETAIL NOT TO SCALE I PLUMBING NOTES 1. ALL WORKMANSHIP AND MATERIALS SHALL BE IN STRICT ACCORDANCE WITH FBC 2004, APPLICABLE LOCAL CODES, RULES AND ORDINANCES. 2. PLUMBING CONTRACTOR SHALL VISIT THE JOB SITE AND THOROUGHLY FAMILIARIZE HIMSELF WITH ALL EXISTING CONDITIONS. 3. ALL MATERIALS SHALL BE NEW. 4. ALL WORK SHALL BE PERFORMED BY A LICENSED PLUMBING CONTRACTOR IN A FIRST CLASS WORKMANLIKE MANNER. THE COMPLETED SYSTEM SHALL BE FULLY OPERATIVE. ALL EXCAVATION AND BACKFILL AS REQUIRED FOR THIS PHASE OF CONSTRUCTION SHALL BE A PART OF THIS CONTRACT. 5. REQUIRED INSURANCE SHALL BE PROVIDED BY THE PLUMBING CONTRACTOR FOR PROTECTION AGAINST PUBLIC LIABILITY AND PROPERTY DAMAGE FOR THE DURATION OF THE WORK. 6. PLUMBING CONTRACTOR SHALL SECURE AND PAY FOR ALL PERMITS, FEES, INSPECTION AND TESTS, PLUMBING CONTRACTOR TO OBTAIN PERMIT AND APPROVED SUBMITTALS PRIOR TO BEGINNING WORK OR ORDERING EQUIPMENT. PLUMBING CONTRACTOR MUST BE PRESENT FOR ALL INSPECTIONS OF HIS WORK BY REGULATORY AUTHORITIES. 7. DRAWINGS ARE DIAGRAMMATIC. DO NOT SCALE FOR THE EXACT LOCATION OF FIXTURES, PIPING, EQUIPMENT, ETC. 8. ALL WORK SHALL BE COORDINATED WITH OTHER TRADES TO AVOID INTERFERENCE WITH THE PROGRESS OF CONSTRUCTION. REPORT ANY DISCREPANCY TO ENGINEER /ARCHITECT PRIOR TO BEGINNING CONSTRUCTION. 9. VERIFY LOCATION, SIZE, DIRECTION OF FLOW AND INVERTS OF ALL EXISTING UTILITIES PRIOR TO BEGINNING OF CONSTRUCTION. ADVISE ENGINEER OF ANY DISCREPANCIES. 10. WATER DISTRIBUTION PIPING ABOVE AND BELOW GROUND SHALL BE TYPE "L" COPPER. COORDINATE WITH LOCAL JURISDICTION FOR ADDITIONAL REQUIREMENTS. PROVIDE ALTERNATE FOR CPVC PIPING EQUAL TO BFGOODRICH "FLOINGUARD GOLD" FOR WATER KNOWN OR DETERMINED TO HAVE ACIDIC CHARACTERISTICS. CONTRACTOR SHALL PERFORM A WATER TEST TO DETERMINE WATER CHEMISTRY PRIOR TO ANY WORK OR PIPING INSTALLATION AND SHALL SUBMIT TEST RESULTS TO ENGINEER FOR REVIEW AND APPROVAL. 11. SOIL, WASTE, VENT AND RAINWATER PIPING SHALL BE CAST IRON OR PVC, WHERE CODE ALLOWS. PVC MAY NOT BE USED THRU RATED ASSEMBLIES OR IN PLENUMS. 12. ALL FIXTURES MUST BE PROVIDED WITH READILY ACCESSIBLE STOPS AND APPROPRIATELY MARKED ACCESS PANELS. COORDINATE LOCATIONS WITH GENERAL CONTRACTOR PRIOR TO INSTALLATION. 13. FURNISH AND INSTALL APPROVED WATER HAMMER ARRESTORS FOR ALL (GROUP) PLUMBING FIXTURES, SIZED AND LOCATED PER MANUF.'S INSTALLATION INSTRUCTIONS AND WH -PDI 201. 14. DIELECTRIC COUPLINGS ARE REQUIRED BETWEEN ALL DISSIMILAR METAL IN PIPING AND EQUIPMENT CONNECTIONS. . 15. ISOLATE COPPER PIPE FROM HANGER OR SUPPORTS WITH ISOLATOR PADS OR MATERIAL. 16. ALL FIRE RATED FLOOR AND WALL PENETRATIONS SHALL BE PROPERLY 'ROTECTED FROM .FIRE, SMOKE AND WATER PENETRATION BY FILLING VOIDS BETWEEN PIPE AND WALL /FLOOR SLEEVES WITH FIRE RATED FOAM, TO ACHIEVE THE SAME RATING AS WALLS OR FLOORS AS PART OF THE PLUMBER'S WORK. 17. PLUMBING CONTRACTOR SHALL GUARANTEE ALL MATERIALS AND WORKMANSHIP FREE FROM DEFECTS FOR A PERIOD OF NOT LESS THAN ONE (1) YEAR FROM DATE OF ACCEPTANCE BY OWNER. CORRECTION OF ANY DEFECTS SHALL BE COMPLETED WITHOUT ADDITIONAL CHARGE AND SHALL INCLUDE REPLACEMENT OR REPAIR OF ANY OTHER PHASE OF THE INSTALLATION WHICH MAY HAVE BEEN DAMAGED. 18. PROVIDE ACCESS PANELS FOR ALL CONCEALED VALVES AND ALL WATER HAMMER ARRESTORS. ACCESS PANELS IN RATED WALLS MUST MAINTAIN THE SAME RATING AND MUST MATCH THE FINISH OF THE WALL IN WHICH IT IS INSTALLED. 19. PROVIDE COMBINATION COVER PLATE AND CLEANOUT PLUG OR ACCESS PANEL FOR ALL WALL CLEANOUTS FINISH TO MATCH FIXTURE TRIM. 20.N0 COMBUSTIBLE MATERIAL TO BE USED IN MECHANICAL ROOMS OR IN CEILING SPACES WHERE USED AS RETURN AIR PLENUMS. . 21. NO WATER, SANITARY OR DRAINAGE PIPING PERMITTED IN ELECTRICAL OR ELEVATOR EQUIPMENT ROOMS. 22. ALL CONTROL VALVES SHALL BE TAGGED AND MARKED. A REPRODUCIBLE DIAGRAM LOCATING ALL VALVES SHALL BE PROVIDED FOR OWNER /OPERATOR. 23. ALL CONDENSATE DRAIN PIPING SHALL BE TYPE "L" COPPER WITH ARMAFLEX INSULATION PER TABLE 411.1 F.B.C. 2004 WHERE USED IN A RETURN AIR PLENUM. PVC PIPING WITH ARMAFLEX INSULATION MAY BE USED IN LOCATIONS WHERE ALLOWED BY LOCAL CODES. �_�E L'U, BING DRAWINGS FOR SIZE AND LOCATION OF PIPING. CONDENSATE DRAIN PIPING SHALL BE INSULATED AND PIPE INSTALLATION SHALL INCLUDE A CLEANOUT AT EACH CHANGE IN DIRECTION. 24. CONDENSATE LINES SHALL NOT DRAIN ON THE ROOFING SYSTEM OR ANY OF ITS COMPONENTS AND CONDENSATE LINES NEED NOT COMPLY WITH MIN. CLEARANCE REQUIREMENTS PER FBC 2004, PAR. 1522.3.5 25. PROVIDE ANGLE STOPS ON ALL WATER SERVICE LINES TO FIXTURES FOR INDIVIDUAL SHUT -OFF. 26. WATER PIPING INSULATION SHALL BE ARMAFLEX OR EQUAL INSTALLED IN ACCORDANCE WITH MANUFACTURERS INSTRUCTIONS FOR ALL HOT WATER PIPING. WHERE DOMESTIC WATER TEMPERATURES CAN CAUSE SWEATING ALL COLD WATER PIPING SHALL BE INSULATED WITH ARMAFLEX INSULATION, THICKNESS AS PER TABLE 411.1 OF FLORIDA ENERGY CODE. 27. ALL HORIZONTAL RAINWATER PIPING THAT RECEIVES CONDENSATE DISCHARGE FROM AIR 9,1710NJIINO .,EQUIPMENT SHALL BE INSULATED WITH 1" THK. ARMAFLEX. 28. TENANT SHALL COMPLETELY REMOVE ALL UNUSED PIPING, INCLUDING SANITARY, VENT, GAS AND WATER SUPPLY PIPING. DO NOT ABANDON. SHOCK ARRESTOR SCHEDULE P.D.I. DESIGNATION MANUF. & MODEL FIXTURE UNITS CONNECTION A SIOUX CHIEF 652 -A 1 -11 1/2" B SIOUX CHIEF 653 -B 12 -32 3/4" C SIOUX CHIEF 654 7C 33 -60 1" SIOUX CHIEF SHOCK ARRESTORS APPROVED FOR INSTALLATION WITH NO ACCESS DOOR REQUIRED. CONFORMS TO ANSI /ASSE 1010 STANDARDS. SLOPE OF HORIZ. SIZE (inches) DRAINAGE PIPE MINIMUM SLOPE (inch per foot) 2-1/2 or less PDA 1/4 3to6 EQUIPMENT SCHEDULE & DETAILS 1/8 8 or larger P3.1 1/16 TABLE 704.1 OF THE FLORIDA PLUMBING CODE 2004 1 i PLUMBING SHEET INDEX SHEET# - DESCRIPTION PDA PLUMBING NOTES, LEGENDS, AND DETAILS PO.2 EQUIPMENT SCHEDULE & DETAILS P2.1 SANITARY PLAN > > > P3.1 DOMESTIC WATER & GAS PLAN P5.1 SANITARY ISOMETRICS P6.1 DOEMSTIC WATER & GAS ISOMETRICS , , „ , Mave�i�k'Arci�itecture & Design, Ilc. 6675 Westwood Blvd. Suite 140 Orl d 1 PLUMBING FIXTURE SCHEDULE PLUM ING LEGEND HLAV WHITE, WITH SLOAN POLARIS FAUCET #SL -2711. CONTRACTOR TO SU PLY CONCEALED ARM SUPPORT CARRIER FOR MOUNTING OF LAV. WADE MODEL # 520 -M36. SUPPL`� PLUMAEREX MODEL # 43::., CO CLEAN OUT LAVATORY, AMERICAN STANDARD DECLYN WALL HUNG #0321.075 WHITE W/ SLOAN POLARIS SL -2711 LAV SANITARY SEWER PIPING FD- FLOOR DRAIN / WCO S- - - - VENT PIPING CW DOMESTIC COLD WATER ELONGATED RIM AND 1 -1/2" TOP SPUD, AMERICAN STANDARD 2234.015 MADERA AQUAMETER, 1.6 S- - --i DOMESTIC COLD WATER PIPING HW DOMESTIC HOT WATER / S- - - HOT WATER PIPING (120') WITH ELONGATED RIM AND 1 -1/2" TOP SPUD. 18" HIGH AMERICAN STANDARD #3043.102 ELDERLY HWC NEW CADET AQUAMETER, 1.6 GPF TOILET WITH SLOAN ROYAL #111 FLUSH VALVE AND A COMFORT S- - - - HOT WATER PIPING (140') HB HOSE BIBB UR WALL MOUNTED, WHITE URINAL. WALL CARRIER, WADE # 400AM11. WATER HEATER SHALL BE 85 GAL. TURBOCHARGER GAS WATER HEATER. GM LOCHINVAR MODEL EPN150 -085, 150,000 BTU /HR NAUTRAL GAS INPUT. S-- CD CONDENSATE PIPING GENERAL NOTES: (2) - ALL FIXTURES SHALL COMPLY WITH TABLE 604.4 OF FBC 2004. GATE VALVE SUPPLY TUBES, AND CLEANOUT COVER PLATES SHALL BE OF THE SAME FINISH AS THE ABOVE SPECIFIED FAUCET AND PER ARCHITECTURAL FINISH SCHEDULE. (4) - ALL FIXTURES SHALL BE ROUGHED IN PER MANUFACTURER CUT SHEET TO MAINTAIN UNIFORMITY. S-- G -S GAS PIPING i GAS COCK WATER HAMMER ARRESTER (PDI No.) S PIPE RISl� UP �--D -S PIP E DOWN OR DROP 6 FD FLOOR DRAIN CAPPED END OF PIPE �I CHECK VALVE �- POINT OF `CONNECTION GAS SOLENOID VALVE P -TRAP PLUMBING FIXTURE SCHEDULE HANDICAP LAVATORY, AMERICAN STANDARD, DECLYN WALL HUNG LAVATORY MODEL #0321.075. HLAV WHITE, WITH SLOAN POLARIS FAUCET #SL -2711. CONTRACTOR TO SU PLY CONCEALED ARM SUPPORT CARRIER FOR MOUNTING OF LAV. WADE MODEL # 520 -M36. SUPPL`� PLUMAEREX MODEL # 43::., INSULATION KIT. MUST MEET A.D.A. CODE. LAVATORY, AMERICAN STANDARD DECLYN WALL HUNG #0321.075 WHITE W/ SLOAN POLARIS SL -2711 LAV FAUCET. CONTRACTOR TO SUPPLY CONCEALED ARM SUPPORT CARRIER FOR MOUNTING OF LAVATORY. WADE MODEL # 520 WCO WALL CLEANOUT, WADE MODEL # 8590 TAPPED PLUG WITH 8480R. WATER CLOSET, FLUSH VALVE BOWL; FLOOR MOUNTED, SIPHON JET ACTION VITREOUS CHINA, ELONGATED RIM AND 1 -1/2" TOP SPUD, AMERICAN STANDARD 2234.015 MADERA AQUAMETER, 1.6 WC GPF TOILET WITH A SLOAN ROYAL #111 FLUSH VALVE AND A COMFORT SEAT MODEL # C106C OPEN FRONT SEAT LESS COVER. HANDICAP WATER CLOSET - FLUSH VALVE BOWL; FLOOR MOUNTED, SIPHON JET, VITRROUS CHINA WITH ELONGATED RIM AND 1 -1/2" TOP SPUD. 18" HIGH AMERICAN STANDARD #3043.102 ELDERLY HWC NEW CADET AQUAMETER, 1.6 GPF TOILET WITH SLOAN ROYAL #111 FLUSH VALVE AND A COMFORT SEAT MODEL # C106C, OPEN FRONT SEAT LESS COVER. URINAL AMERICAN STANDARD, WASHBROOK #6501.010, FLUSH VALVE SLOAN ROYAL #186 -1, UR WALL MOUNTED, WHITE URINAL. WALL CARRIER, WADE # 400AM11. WATER HEATER SHALL BE 85 GAL. TURBOCHARGER GAS WATER HEATER. GM LOCHINVAR MODEL EPN150 -085, 150,000 BTU /HR NAUTRAL GAS INPUT. RECIRC RECIRCULATING PUMP TACO MODEL # 007 GENERAL NOTES: (2) - ALL FIXTURES SHALL COMPLY WITH TABLE 604.4 OF FBC 2004. 3 - ALL FIXTURE TRIM PACKAGES INCLUDING BUT NOT LIMITED TO TRAP, ANGLE STOP, FLUSH VALVE, SUPPLY TUBES, AND CLEANOUT COVER PLATES SHALL BE OF THE SAME FINISH AS THE ABOVE SPECIFIED FAUCET AND PER ARCHITECTURAL FINISH SCHEDULE. (4) - ALL FIXTURES SHALL BE ROUGHED IN PER MANUFACTURER CUT SHEET TO MAINTAIN UNIFORMITY. t an o, Florida 3282 T: 407.351.8787 F: 407.351.9254 E: Info @MaveBrickArchDes.com AA. 26000903 AR. 91835 a conceptually independent forum M r � M > M N 0 CC) LL cn •E co ICU C Lid -rl- -r ��0 v! m w co 0 C Q o W CL 0 U w L1J CD IX 0 I HEREBY CERTIFY THAT 11iESE DRAWINGS AND SPECIFICATIONS WERE PREPARED UNDER MY DIRECT SUPERVISION AND TO THE BEST OF MY KNOWLEDGE COMPLY WITH THE STATE BUILDING I AND ZONING ORDINANCES. SIGNED _ STATE REGISTRATION DATE ISSUED FOR PERMIT Oe� Og' 2007 PLUMBING NOTES ISSUED FOR CONSTRUCTION KAMM CONSULTING PROJECT #: 2007 -0307 PROJECT MANAGER Nicholas Melisiotis, P.E. l ' M M 1407 West N Crntec ve Deerfield Beac �Icirida' gg442 Phone 954.949 £B 54.949.2201 engineering sulting.com nsu 9 Certification o u oriza ' #1189 DIRECTOR OF ELECTRICAL ENGINEERING + Lon T. Carte Florida License #35249 DIRECTOR OF MECHANICAL ENGINEERING * ' i Drawing N0. Mircea Pella Florida License #4E79b • ' ' .a'j • -' '. �• .....•• .� s .