GENERAL NOTES: G1. COORDINATE ALL WORK WITH OTHER TRADES PRIOR TO INSTALLATION. G2. DUCT SIZES SHOWN ARE ACTUAL INSIDE DIMENSIONS.

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1 BBREVITION CD CHS CHR HWS HWR LWS LWR MU SD MLD/MD MOD SMD FSD T'STT H'STT FO GENERL. Finish SYMBOL DESCRIPTION BBREVITION DESCRIPTION CD CHS CHR HWS HWR LWS LWR MU M S T H Ø PIPING CONDENSTE DRIN CHILLED WTER SUPPLY CHILLED WTER RETURN HOT WTER SUPPLY HOT WTER RETURN VLVES / FITTINGS / SPECILTIES DUCTWORK DEMOLITION PLN NEW WORK PLN FSD LEGEND & BBREVITIONS LOOP WTER SUPPLY LOOP WTER RETURN MKE UP WTER PIPE UP PIPE DOWN PIPE BRIDGE DUCT OR EQUIPMENT TO REMIN DUCT OR EQUIPMENT TO BE REMOVED NEW DUCT OR EQUIPMENT TO BE INSTLLED EXISTING DUCT OR EQUIPMENT FLEXIBLE DUCT DUCT TRNSITION DIRECTION FLOW IR EXTRR DUCT DOWN DUCT UP TURNING VNES DMPERS SPLITTER DMPER BRNCH SPLITTER MNUL DMPER MOTOR OPERTED DMPER SMOKE DMPER FIRE DMPER FIRE/SMOKE DMPER CONTROLS THERMOSTT HUMIDISTT MISCELLNEOUS CONNECT TO EXISTING ROUND FLT OVL IR DISTRIBUTION DEVICES FF /C CU D HU B BTUH CD CFM CLG CO CONC CONN CONT CT CU DB DG DN DOM DS DWGS E EDH EF EG EL ELEC ER EXH EXIST FCU FPB GPM HP HWC HVC HWP HX LD LWP MX MIN MU NG O OC R RG RR RTU SG SKD SMD SPS SR TG TWR TYP UH UNO V VV VU W/ WB BOVE FINISHED FLOOR BOVE CEILING IR CONDITIONING UNIT DUCT CCESS DOOR IR HNDLING UNIT BOILER BRITISH THERML UNITS PER HOUR CEILING DIFFUSER CUBIC FEET PER MINUTE CEILING CLEN OUT CONCRETE CONNECT CONTINUTION COOLING TOWER CONDENSING UNIT DRY BULB DOOR GRILLE DOWN DOMESTIC DUCT SILENCER DRWINGS ECH ELECTRIC DUCT HETER EXHUST FN EXHUST IR GRILLE ELEVTION ELECTRIC EXHUST IR REGISTER EXHUST EXISTING FN COIL UNIT FN POWERED BOX GLLONS PER MINUTE HET PUMP HOT WTER COIL HETING VENTILTING & IR CONDITIONING HOT WTER PUMP HET EXCHNGER LINER DIFFUSER LOOP WTER PUMP MXIMUM MINIMUM MKE UP IR UNIT NTURL GS OUTSIDE IR ON CENTER RETURN IR RETURN IR GRILLE RETURN IR REGISTER ROTOP UNIT SUPPLY IR GRILLE SMOKE DETECTOR SMOKE DMPER STTIC PRESSURE SENSOR SUPPLY IR REGISTER TRNSFER GRILLE TOWER WTER PUMP TYPICL UNIT HETER UNLESS NOTED OTHERWISE MOTORIZED VLVE VRIBLE IR VOLUME UNIT VENTILTION UNIT WITH WET BULB 1. Steel grilles, registers, and diffusers shall be provided with a factory applied white baked enamel finish unless indicated otherwise, herein or on the drawings.. luminum grilles, registers, and diffusers which are ceiling mounted shall be provided with a factory applied white baked enamel finish unless indicated otherwise, herein or on the drawings. B. Mounting 1. Model numbers indicated herein are for surface mounting in exposed tee-bar grids or for integral mounting in exposed tee-bar grids. Where grilles, registers or diffusers are to be installed in concealed spine ceilings or plaster ceilings the mounting frame shall be adjusted to match the ceiling requirements. In plaster ceilings, provide plaster frames. REGISTERS. Type '' registers, for exhaust air, shall be aluminum with fixed horizontal vanes 35 degrees minimum, opposed blade damper, and flat margin. Vane spacing shall be 3/4" on center. Type '' registers shall be: INSTLLTION Carnes 6840H Series Tuttle & Bailey 77D Series Krueger S580H Series Titus 3-FL5 Series nemostat X3HOD Series. Grilles and registers mounted in walls shall be secured to ductwork with sheet metal screws. B. Grilles, registers, and ceiling diffusers not sized to fit ceiling grid systems shall be secured to ductwork with sheet metal screws. Where diffuser is attached to duct system with flexible duct, diffusers shall be supported from structures with four galvanized steel wire hangers. C. Grilles, registers, and ceiling diffusers sized to fit ceiling grid system shall be supported from grid system. GENERL NOTES: G1. COORDINTE LL WORK WITH OTHER TRDES PRIOR TO INSTLLTION. G. DUCT SIZES SHOWN RE CTUL INSIDE DIMENSIONS. G3. RUNOUTS TO IR DISTRIBUTION DEVICES SHLL BE NOMINL NECK SIZE IR DISTRIBUTION DEVICE UNLESS NOTED OTHERWISE. ROUND RUNOUTS OVER GYPBORD OR PLSTER CEILINGS SHLL BE RIGID. G4. LL SUPPLY RUNOUTS, BRNCH DUCTS, OR TKE-FS TO IR DISTRIBUTION DEVICES SHLL BE PROVIDED WITH MNUL DMPERS. ROUND DUCTS SHLL BE CONNED TO RECTNGULR DUCTS WITH ROUND BRNCH TKE-FS. RECTNGULR RUNOUTS ND BRNCH TKE-FS SHLL BE CONNED TO RECTNGULR DUCT WITH 45 ENTRY FITTING ND VOLUME DMPER. G4. LL SUPPLY RUNOUTS, BRNCH DUCTS, OR TKE-FS TO IR DISTRIBUTION DEVICES SHLL BE PROVIDED WITH MNUL DMPERS. ROUND DUCTS SHLL BE CONNED TO RECTNGULR DUCTS WITH ROUND BRNCH TKE-FS. RECTNGULR RUNOUTS ND BRNCH TKE-FS SHLL BE CONNED TO RECTNGULR DUCT WITH 45 ENTRY FITTING ND VOLUME DMPER. SYMBOL LOCTION FUNCTION X QULITY SSURNCE IR DISTRIBUTION DEVICES CEILING SYMBOL/TYPE,SEE SPECIFICTIONS FOR DESCRIPTION NECK SIZE IR QUNTITY CFM EXHUST TYPE LOUVERED FCE GENERL MECHNICL. The mechanical equipent and installation shall conform to the following codes: 1. The Georgia State Building Code. The Georgia State Mechanical Code B. The mechanical equipent and installation shall conform to the following standards: 1. ssociate ir Balace Council (BC): a) National Standard for Total System Balance.. National Fire Protection ssociation (NFP): a) Standard 90: Installation of ir Conditioning and Ventilating Systems. SURFCE TYPE SURFCE MNT DEMOLITION NOTES: D1. EXISTING DUCTWORK, CONTROL LINES, ND EQUIPMENT SHOWN RE BSED ON D. LIMITED FIELD OBSERVTIONS. CONTRCTOR SHLL VISIT THE SITE ND VERIFY CTUL EXISTING FIELD CONDITIONS PRIOR TO BIDDING, STRTING DEMOLITION, PREPRING LYOUT DRWINGS FOR INSTLLTION, ND/OR INSTLLTION NEW WORK. CP, PTCH, SEL, ND INSULTE LL UNUSED DUCT TKEFS WHERE DUCTWORK HS BEEN REMOVED. TEST ND BLNCE NOTES: C. Publication dates: where the date of issue of a reference standard is not specified, comply with the standard that is effective as of date of contract document. D. Permits 1. Obtain all permits and inspections for the installation of this work and pay all charges incident thereto. Deliver to the owner all certificates of said inspection issued by authorities having jurisdiction. E. Workmanship and materials 1. The workmanship and materials covered by these specifications shall conform to all ordinances and regulations of the city, county GURNTY and/or other authorities having jurisdiction.. The components of the mechanical system furnished under this division of the specifications shall be gauranteed for a period of one year from the date of acceptance thereof, either for beneficial use or final acceptance, whichever is earlier, against defective material, design, and workmanship. PINTING. Factory painted equipment that has been scratched or marred shall be repainted to match original color. B. Steel equipment hangars, supports, and uninsulated black steel pipe exposed to sight inside the building which are not provided with a factory applied prime coat shall be cleaned of rust, grease and scale. fter cleaning hangars, supports and pipe, a filed-applied prime coat shall beprovided. In addition, such items in finished spaces shall be provided with two coats of finish paint in a color to match adjacent surfaces. CLENING ND DJUSTING. ll equipment, pipe, valves, and fittings shall be cleaned of grease, oil, paint spots, metal cuttings, sludge, and construction debris. B. Ducts, plenums and casings shall be cleaned of all debris and blown free of all particles of rubbish and dust before installing outlet faces. TESTING PIPE ND DUCT SYSTEMS. GENERL Concealed piping and duct work and insulated piping and duct work shall be tested in place before concealing or covering. test shall be conducted in the presence of the rchitect or his designated representative. Equipment, materials, and instruments for testing shall be furnished by the contractor without additional cost to the owner. Equipment not rated for the respective test pressure shall be isolated from the system during the test. B. IR DISTRIBUTION SYSTEMS. General 1. Other ductwork shall be made airtight prior to covering or concealing to the point that no leakage can be detected by the senses of hearing or feeling at all duct joints and seams. DUCTWORK 1. Ductwork shall be constructed of lock forming quality galvanized steel sheets except ductwork indicated to be pre-manufactured flexible duct. Galvanized coating shall not be less than 1.5 ounces (total for both sides) per square foot of sheet.. Ductwork shall be square, rectangular, round, or flat oval, as indicated on the drawings. 3. Turning vanes shall be installed in all 90 degrees square and rectangular elbows and at other locations shown on the drawings. 4. Ductwork shall be classified and constructed in the following SMCN pressure classes, or 150% of the scheduled fan S.P., whichever is greater: System or Zone Pressure Class Exhaust air ductwork - B. Galvanized Steel Ductwork 1. Except where indicated otherwise, herein or on the drawings, duct construction shall conform to the recommendations of the SMCN HVC Duct Construction Manual for pressure classes specified hereinbefore.. ll galvanized areas damaged by welding shall be coated with a rust inhibitive aluminum paint. 3. Round and flat oval ductwork shall be spiral lock-seam construction. Round and flat oval ductwork shall be the products of United McGill Sheet Metal Corporation or Monroe Manufacturing Company. 4. Duct sealant shall be Kingco Type or United Mcgill Type WP Duct Sealant. INSTLLTION. Galvanized Steel Ductwork 1. Ductwork shall be installed in accordance with recommendations of SMCN HVC Duct Construction Standards Manual or as recommended by duct manufacturer (spiral duct only).. ll duct joints (longitudinal, transverse) and duct penetrations shall be sealed using methods outlined in SMCN HVC ir Duct Leakage Test Manual. T1. EXISTING DUCTWORK, IR DEVICES, ND EQUIPMENT SHOWN RE BSED ON LIMITED S BUILT INFORMTION. CONTRCTOR SHLL TEST ND RECORD IRFLOW REDINGS EXISTING GRILLES ND DIFFUSERS BEFORE DEMOLITION. FTER REPLCEMENT EQUIPMENT IS INSTLLED BLNCE IR DEVICES TO THE ORIGINL IR FLOW RTES DIRECTION BLOW - 4-WY - 3-WY OR - 1-WY - -WY STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG LEGEND ND BBREVITIONS (M ECH NICL) M0.1

2 RELO ND REPLCE EXISTING IR DEVICE. 1 FLOOR PLN '' BOYS TOILET (DEMOLITION) M1.1 M1.1 SCLE: 1/4"=1'-0" ELEC HND 01 CLER FLOOR PLN '' BOYS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG TOILET FLOOR PLN: '' BOYS (M ECH NICL) M1.1

3 RELO ND REPLCE EXISTING IR DEVICE. 1 FLOOR PLN '' GIRLS TOILET (DEMOLITION) M1. M1. SCLE: 1/4"=1'-0" 1X1 FLOOR PLN '' GIRLS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG M1. TOILET FLOOR PLN: '' GIRLS (M ECH NICL)

4 1 M1.3 RELO ND REPLCE EXISTING IR DEVICE. REMOVE DUCTWORK FLOOR PLN 'B' BOYS TOILET (DEMOLITION) SCLE: 1/4"=1'-0" M1.3 FLOOR PLN 'B' BOYS TOILET (NEW) SCLE: 1/4"=1'-0" 1X1 KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG M1.3 TOILET FLOOR PLN: 'B' BOYS (M ECH NICL)

5 RELO ND REPLCE EXISTING IR DEVICE. REMOVE DUCTWORK 1 FLOOR PLN 'B' GIRLS TOILET (DEMOLITION) M1.4 M1.4 SCLE: 1/4"=1'-0" 1X1 FLOOR PLN 'B' GIRLS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG M1.4 TOILET FLOOR PLN: 'B' GIRLS (M ECH NICL)

6 RELO ND REPLCE EXISTING IR DEVICE. RELO DMPER REMOVE DUCTWORK 10X10 1 FLOOR PLN 'C' BOYS TOILET (DEMOLITION) M1.5 M1.5 SCLE: 1/4"=1'-0" 1X1 MD 05 10X10 FLOOR PLN 'C' BOYS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG M1.5 TOILET FLOOR PLN: 'C' BOYS (M ECH NICL)

7 RELO ND REPLCE EXISTING IR DEVICE. REMOVE DMPER 1 FLOOR PLN 'C' GIRLS TOILET (DEMOLITION) M1.6 M1.6 SCLE: 1/4"=1'-0" 1X1 MD FLOOR PLN 'C' GIRLS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG M1.6 TOILET FLOOR PLN: 'C' GIRLS (M ECH NICL)

8 FROM ERU-7 UPTO ERU-7 4X1 TOILET RELO ND REPLCE EXISTING IR DEVICE. RELO MNUL DMPER REMOVE DUCTWORK 1 FLOOR PLN 'D' GIRLS TOILET (DEMOLITION) M1.7 M1.7 SCLE: 1/4"=1'-0" EXISTING DUCTWORK FROM ERU-7 TO REMIN EXISTING DUCTWORK UPTO ERU-7 TO REMIN DSHED LINES REPRESENT D CLERNCES 07 1X1 MD FLOOR PLN 'D' GIRLS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG TOILET FLOOR PLN: 'D' GIRLS (M ECH NICL) M1.7

9 REPLCE EXISTING IR DEVICE X8 14X8 14X X18 0X18 0X16 0X16 1 FLOOR PLN '' BOYS TOILET (DEMOLITION) M1.8 M1.8 SCLE: 1/4"=1'-0" FLOOR PLN '' BOYS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG M1.8 TOILET FLOOR PLN: '' BOYS (M ECH NICL)

10 X16 0X0 D IN SUPPLY DUCT 14X8 0X0 D TOILET 0X18 X14 REPLCE EXISTING IR DEVICE. 0X18 1 FLOOR PLN '' GIRLS TOILET (DEMOLITION) M1.9 M1.9 SCLE: 1/4"=1'-0" 14X X18 FLOOR PLN '' GIRLS TOILET (NEW) SCLE: 1/4"=1'-0" KEY PLN (not to scale) STEM CDEM Y (T BRTLETT) L. SCOTT BRN RD & SSOCITES, I TOILET RENOVTION 07 EST MONTGOMERY CROSS ROD REVISION / DTE RCH ITECTU RE, PLNNING, LNDSCPE, INTERIORS, H ISTORIC 0 EST H LL STREET SVNNH, G (91) SVNNH, GEORGI SSOCITES: ROBERT J. PORTM N & JOHN. CLEGG M1.9 TOILET FLOOR PLN: '' GIRLS (M ECH NICL)