A R I Z O N A, I N C O R P O R A T E D. LSW E n g i n e e r s COOLING TOWER REPLACEMENT

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1 COVER SHEET M0. MECHNICL GENERL INFORMTION M. MECHNICL DEMOLITION PLN M. MECHNICL PLN M3. MECHNICL DETILS M4. MECHNICL SPECIFICTIONS E0. ELECTRICL SYMBOLS ND NOTES E. ELECTRICL PLN E. ELECTRICL ONELINE DIGRM ND SCHEDULE E3. ELECTRICL SPECIFICTIONS GLSSFORD HILL MIDDLE SCHOOL 690 E PNTHER PTH PRESCOTT VLLEY, RIZON West Northern venue Telephone Phoenix, rizona 850 Facsimile LSW Engineers rizona, Inc. 0 INTERNTIONL BUILDING CODE WITH CITY MENDMENTS 0 INTERNTIONL RESIDENTIL CODE 8 CS COOLING TOWER REPLCEMENT 03 0 FUEL GS CODE 0 INTERNTIONL MECHNICL CODE WITH CITY MENDMENTS 09 0 INTERNTIONL PLUMBING CODE WITH CITY MENDMENTS 006 INTERNTIONL ENERGY CONSERVTION CODE WITH CITY MENDMENTS 0 NTIONL ELECTRICL CODE / NFP70 WITH CITY MENDMENTS DR. DES. CKD. TC TC RB 3/9/

2 GENERL NOTES BBREVITIONS MECHNICL LEGEND. THIS CONTRCTOR IS TO PROVIDE LL LBOR ND MTERIL NECESSRY TO INSTLL COMPLETE MECHNICL SYSTEM S SHOWN ND SPECIFIED ND IN CCORDNCE WITH LL PPLICBLE CODES, RULES ND REGULTIONS. REFER TO PROJECT SPECIFICTIONS FOR FURTHER PROJECT REQUIREMENTS. B. THE DESIGN DRWINGS RE DIGRMMTIC ND RE NOT TO BE SCLED FOR CONSTRUCTION PURPOSES. THIS CONTRCTOR IS TO COORDINTE EXCT EQUIPMENT LOCTIONS ND ROUTING OF PIPING, ETC., WITH THE BUILDING CONDITIONS. THE ROUTING SHOWN ON THE DRWINGS WS USED FOR PRESSURE DROP CLCULTIONS. NOTIFY THE ENGINEER OF SIGNIFICNT INSTLLTION DEVITIONS. C. THE SCOPE OF THIS PROJECT INCLUDES THE FOLLOWING ITEMS S DESCRIBED ON THESE DESIGN DRWINGS:. REPLCEMENT OF THE COOLING TOWERS ND THE SSOCITED PIPING ND IBEM SUPPORTS.. THE DDITION OF NEW VFD'S WITH THE NEW COOLING TOWERS. 3. REPLCEMENT OF THE TWO BUILDING CHILLED WTER PUMPS, SSOCITED PIPING ND CCESSORIES. 4. REPLCEMENT OF TWO COOLING TOWER PUMPS, SSOCITED PIPING, ND CCESSORIES. 5. REPLCEMENT OF THE TOWER SUMP FLOT ND THE SSOCITED SOLENOID VLVE ND BCKFLOW PREVENTER. 6. DISCONNECTION ND RECONNECTION OF THE EXISTING PLNT CONTROL SYSTEM. THIS CONTRCTOR IS LSO TO COMMISSION THESE CONTROLS IN THE OWNER'S PRESENCE FOR PROOF OF OPERTION. 7. FLUSHING, PSSIVTION, ND CHEMICL TRETMENT OF THE TOWER WTER LOOP PIPING. 8. TESTING ND BLNCING OF THE TOWER WTER ND BUILDING CONDENSER WTER PUMPS. 9. ELECTRICL POWER DISCONNECTION ND RECONNECTION OF THE SSOCITED EQUIPMENT (REFER TO ELECTRICL DRWINGS). D. THE CONTRCTOR IS RESPONSIBLE TO HVE THIS CONSTRUCTION PROJECT COMPLETED ON OR BEFORE JULY 3, 08. CONSTRUCTION OF THIS PROJECT CN BEGIN ON OR FTER JUNE 4, 08. # NUMBER #/P### DETIL # ON SHEET P### F DEGREES FHRENHEIT Δ DELT (CHNGE) % PERCENTGE (D) DEMOLITION (E) EXISTING (N) NEW BSORP BSORPTION C IR CONDITIONING D CCESS DOOR FF BOVE FINISHED FLOOR FG BOVE FINISHED GRDE FUE NNUL FUEL UTILIZTION EFFICIENCY IC MPERES INTERRUPTING CURRENCY MB MBIENT LUM LUMINUM P CCESS PNEL PD IR PRESSURE DROP V UTOMTIC IR VENT BRO BROMETRIC BS BUILDING UTOMTION SYSTEM BDD BCKDRFT DMPER BFF BELOW FINISHED FLOOR BFG BELOW FINISHED GRDE BHP BRKE HORSEPOWER BLDG BUILDING BTU BRITISH THERML UNIT BTUH BRITISH THERML UNIT PER HOUR CP CPCITY CFH CUBIC FEET PER HOUR CFM CUBIC FEET PER MINUTE CHW CHILLED WTER CO CRBON MONOXIDE CO CRBON DIOXIDE COMB COMBUSTION CMPR COMPRESSOR CONFIG CONFIGURTION CONN CONNECTION CTRL CONTROL D DEPTH DI OR Ø DIMETER DB DECIBELS DB DRY BULB DIFF DIFFERENTIL DIST DISTNCE DN DOWN DWG DRWING(S) DX DIRECT EXPNSION E EXHUST IR ET ENTERING IR TEMPERTURE EDR EQUIVLENT DIRECT RDITION EER ENERGY EFFICIENCY RTIO EFF EFFICIENCY ELEV ELEVTION ENT ENTERING ESP EXTERNL STTIC PRESSURE EVP EVPORTIVE EWT ENTERING WTER TEMPERTURE EXH EXHUST EXT EXTERNL FD FIRE DMPER FF FRICTION FCTOR FF FINISHED FLOOR FL FULL LOD MPS FLEX FLEXIBLE FPI FINS PER INCH FPM FEET PER MINUTE FPS FEET PER SECOND FLOW SWITCH FT FEET OR FOOT G GGE GL GLLON(S) GPH GLLONS PER HOUR GPM GLLONS PER MINUTE GRS GRINS GSM GLVNIZED SHEET METL H HEIGHT HS HYDROGEN SULFIDE HORZ HORIZONTL HP HORSEPOWER HR HOUR HTR HETER HW HOT WTER HZ HERTZ IDF INDOOR FN IN INCH IPLV INTEGRTED PRT LOD VLUE IN HG INCHES OF MERCURY IN WG INCHES OF WTER GGE KW KILOWTTS L LENGTH LT LEVING IR TEMPERTURE LBS POUNDS LVG LEVING LWT LEVING WTER TEMPERTURE MX MXIMUM MBH THOUSND BTU PER HOUR MC MINIMUM CURRENT MPCITY MCC CONTROL CENTER MECH MECHNICL MIN MINIMUM MOCP MXIMUM OVER CURRENT PROTECTION MTG MOUNTING MV MNUL IR VENT NC NORMLLY CLOSED NO NORMLLY OPEN NOM NOMINL NPSH NET POSITIVE SUCTION HED NTS NOT TO SCLE OBD OPPOSED BLDE DMPER OCC OCCUPNCY ODF OUTDOOR FN OPER OPERTING OS OUTSIDE IR PD PRESSURE DROP PH PHSE PPM PRTS PER MILLION PRESS PRESSURE PSI POUNDS PER SQURE INC PSI POUNDS PER SQURE INCH BSOLUTE PSIG POUNDS PER SQURE INCH GGE QTY QUNTITY R RETURN IR RECIRC RECIRCULTING REFRIG REFRIGERTION REGEN REGENERTION REQ'D REQUIRED RH RELTIVE HUMIDITY RPM REVOLUTIONS PER MINUTE S SUPPLY IR SD SMOKE DETECTOR SFD SMOKE ND FIRE DMPER S&R SUPPLY ND RETURN SEER SESONL ENERGY EFFICIENCY RTIO SENS SENSIBLE SF SQURE FEET OR SQURE FOOT SQ IN SQURE INCH SS STINLESS STEEL SYS SYSTEM TEMP TEMPERTURE TSP TOTL STTIC PRESSURE TSTT THERMOSTT TYP TYPICL UNO UNLESS NOTED OTHERWISE V VOLT(S) VFD VRIBLE FREQUENCY DRIVE VD VOLUME DMPER VEL VELOCITY W WIDTH W WTTS W/ WITH W/O WITHOUT WB WET BULB WPD WTER PRESSURE DROP WT WEIGHT SYSTEM TYPE PIPE SIZE SYMBOL BBR #" * MECHNICL DESIGN CRITERI LOCTION: PRESCOTT VLLEY, RIZON 5,000 FT. ELEVTION OUTDOOR DESIGN TEMPERTURES: SUMMER: 00 F DRY BULB/68 F WET BULB WINTER: 0 F DRY BULB CD CHK GV DN UP POC CONDENSER WTER SUPPLY CONDENSER WTER RETURN CONDENSTE DRIN BLL VLVE CHECK VLVE BUTTERFLY VLVE GTE VLVE IZED VLVE WY CONTROL VLVE 3WY CONTROL VLVE UTOMTIC BLNCING VLVE FLEXIBLE PIPE CONNECTION RISER DOWN RISER UP CP POINT OF CONNECTION (NEW TO EXISTING) CODES: 0 INTERNTIONL BUILDING CODE W/ MENDMENTS 0 INTERNTIONL PLUMBING CODE W/ MENDMENTS 0 INTERNTIONL RESIDENTIL CODE 0 INTERNTIONL MECHNICL CODE W/ MENDMENTS 0 INTERNTIONL FUEL GS CODE W/ MENDMENTS 006 INTERNTIONL ENERGY CONSERVTION CODE W/ MENDMENTS 0 NTIONL ELECTRIC CODE W/ MENDMENTS 333 West Northern venue Telephone Phoenix, rizona 850 Facsimile LSW Engineers rizona, Inc. COOLING TOWER SCHEDULE MRK MNUFCTURER MODEL GPM EWT ( F) LWT ( F) OS WB ( F) MX LIFT CFM # OF FNS HP ECH INVERTER DUTY V/PH VIBRTION SWICH SWEEPER PIPING BSIN HETER (KW) MX HEIGHT OPER WEIGHT (LBS) REMRKS CT BC VTO07L ,460 5 YES 460/3 YES NO NO 0'7" 3,700 RIGHT HND PIPING CT BC VTO07L ,460 5 YES 460/3 YES NO NO 0'7" 3,700 LEFT HND PIPING PUMP SCHEDULE MRK MNUFCTURER MODEL TYPE FLUID GPM DIFF HED MX NPSH RPM MIN EFF INVERTER DUTY HP V/PH WEIGHT (LBS) REMRKS B&G 3BDE50 END SUCTION WTER YES 5 460/3 05 B&G 3BDE50 B&G VITCFTM END SUCTION WTER YES 5 460/3 05 LINESHFT WTER YES 5 460/3 950 SEE NOTE B&G VITCFTM LINESHFT WTER YES 5 460/3 950 SEE NOTE NOTE : VERTICL TURBINE PUMP, SIZE 0 RJHC STGE, TO INCLUDE FOLLOWING: COLUMN SSEMBLY ND BOWL (FIELD VERIFY SUMP PIT DEPTH WITH COLUMN LENGTH). DISCHRGE HED DRIVE SSEMBLY DR. DES. CKD. 3/9/

3 WH # 5 KEYED NOTES ( ) TOWER WTER TRETMENT 3. REMOVE EXISTING COOLING TOWER, IBEM SUPPORTS, ND SSOCITED PIPING FOR REPLCEMENT WITH NEW S SHOWN ON SHEET M... REMOVE EXISTING BSE MOUNTED BUILDING PUMP ND SSOCITED PIPING FOR REPLCEMENT WITH NEW S SHOWN ON SHEET M.. 3. REMOVE EXISTING TOWER PUMP ND SSOCITED PIPING FOR REPLCEMENT WITH NEW S SHOWN ON SHEET M.. 4. EXISTING HET EXCHNGER TO REMIN. 5. EXISTING BOILER TO REMIN. 333 West Northern venue Telephone Phoenix, rizona 850 Facsimile LSW Engineers rizona, Inc. ELEC CONTROL CENTER GS METER TC CONTROL PNEL 4 XFMR ELECTRICL SERVICES NORTH MECHNICL DEMOLITION PLN SCLE: /4" = '0" 0' 4' 8' DR. DES. CKD. 3/9/

4 WH TOWER WTER TRETMENT REFER TO CENTRL PLNT SCHEMTIC DIGRM ON SHEET M3. FOR FURTHER DEFINITION ND DETIL OF SCOPE OF WORK NECESSRY. 3 4 CT # KEYED NOTES ( ). SET NEW COOLING TOWER LEVEL ON NEW STRUCTURL IBEMS PER MNUFCTURER'S RECOMMENDTIONS. CONNECT TO EXISTING PIPING S SHOWN.. SET NEW PUMP ON EXISTING CONCRETE PD. CONNECT TO EXISTING PIPE MINS S SHOWN ON DETIL ON SHEET M REPLCE EXISTING TOWER PUMP WITH NEW. CONNECT TO EXISTING PIPE MINS S SHOWN ON DETIL 6 ON SHEET M SUPPORT PIPING WITH NEW PIPE STND (REFER TO DETIL 5 ON SHEET M3..) 5. NEW COOLING TOWER VFD'S IN NEM 4X ENCLOSURE. 333 West Northern venue Telephone Phoenix, rizona 850 Facsimile LSW Engineers rizona, Inc. CT ELEC CONTROL CENTER 5 TC CONTROL PNEL GS METER XFMR ELECTRICL SERVICES NORTH MECHNICL PLN SCLE: /4" = '0" 0' 4' 8' DR. DES. CKD. 3/9/

5 REMOVE EXISTING SHUTOFF VLVE ND REPLCE WITH NEW TRIPLE DUTY VLVE PRESSURE SENSING TPS FOR FLOW MESUREMENT PINT LL NEW PIPING TO MTCH EXISTING. PINT NEW IBEM (COLOR OWNER). REMOVE EXISTING COOLING TOWER, IBEM SUPPORTS, ND SSOCITED PIPING ND REPLCE WITH NEW. PINT LL SUPPORT PIPING DJUSTBLE PIPE SUPPORT CONCRETE PD 4" LRGER THN PLTE FINISH GRDE 5 PIPE STND WELD PIPE TO PLTE PIPE STND DETIL NOT TO SCLE PIPE ROLLER SIZED FOR OUTSIDE DIMETER OF PIPE PIPE DI /" 3" 4" " 4" 6" 36" PROVIDE STRUCTURL CLCULTIONS IF HEIGHT EXCEEDS FEET. COLUMN DI /" 3" 4" MIN PLTE SIZE xx3/ "x"x3/ "x"x/" 6" xx/" MIN BOLT HOLES (4 TYP) 3/6" 5/6" / / THE CONTRCTOR IS TO PROVIDE SHOP DRWING SUBMITTL TO ENGINEER PRIOR TO INSTLLTION SHOWING REPLCEMENT OF MODULTING FLOT VLVE/SOLENOID VLVE SSEMBLY. DJUST SETTING OF FLOT VLVE T COMPLETION OF PROJECT INSTLLTION WITH TOWER PUMPS OFF. 4 PTCH EXISTING CONCRETE SLB TO MTCH WRP NEW PIPING FROM POINT OF CONNECTION TO BOVE SLB WITH MIL TPE CONNECT TO EXISTING /R BELOW SLB "METRFLEX" METRSEL TYPE E OR PPROVED EQUL WTERTIGHT WLL/PIPE SEL FLOOR PIPING FLOOR PENETRTION DETIL NOT TO SCLE PIPE SLEEVE REMOVE EXISTING SHUTOFF VLVE ND REPLCE WITH NEW TRIPLE DUTY VLVE PRESSURE SENSING TPS FOR FLOW MESUREMENT TRIPLE DUTY VLVE FLEX CONNECTOR PRESSURE GUGE NEW TOWER PUMP SECURE PUMP TO PIT LID MTCHING EXISTING SUMP PIT LID CONNECT TO EXISTING STRINER NEW MTCHING PUMP SSEMBLY NOT TO SCLE DJUSTBLE PIPE STND TRIPLE DUTY VLVE PRESSURE GUGE FLEX CONNECTOR /" SS TUBING WITH BLL VLVE PUMP END SUCTION PUMP DETIL IN SHUTOFF VLVE NOTES:. INSTLL REDUCED PRESSURE BCKFLOW PREVENTER TO ISOLTE WTER MKEUP SYSTEMS FROM CITY WTER SYSTEM.. PROVIDE WLL SUPPORTS FOR R.P.B.P. PRESSURE GUGE WITH BLL VLVE STRINER WITH HOSE CONNECTION VLVE REDUCED PRESSURE BCKFLOW PREVENTER TEST COCK IR GP OSH COUPLING GURD FULL SIZE DRIN TO EXISTING WTER SUMP GROUTFILLED EQUIPMENT BSE FINISH FLOOR CONCRETE HOUSEKEEPING PD SHUTOFF VLVE UNION OUT 333 West Northern venue Telephone Phoenix, rizona 850 Facsimile LSW Engineers rizona, Inc. FC FC REPLCE EXISTING 3/4" CW MKEUP WTER SSEMBLY WITH NEW CONNECT NEW TO EXISTING PIPE JUST BEYOND EXISTING SHUTOFF VLVES S SHOWN. EXISTING HET EXCHNGER 6" 6 DJUSTBLE PIPE STND TOWER PUMP DETIL NOT TO SCLE COORDINTE PUMP COLUMN LENGTH WITH EXISTING SUMP DEPTH REDUCED PRESSURE BCKFLOW PREVENTER DETIL NOT TO SCLE 6" (E) " CW EXISTING " CW QUICK FILL NEW TOWER WTER PUMPS EXISTING IR SEPRTOR /" VLVED TEE WITH HOSE END REMOVE /R PIPING TO JUST BELOW SLB ND REPLCE WITH NEW. REFER TO DETIL ON THIS SHEET FOR PIPE SLB PENETRTION INSTLLTION. SWCUT ND REPIR SLB S REQUIRED. TO 4" INCRESER REPLCE EXISTING MODULTING FLOT VLVE ND SSOCITED SOLENOID VLVE SSEMBLY WITH NEW EXISTING WTER SUMP CONNECT NEW 6" TO EXISTING STRINER. REPLCE LL PIPING, PIPE CCESSORIES ND PUMPS TO EXISTING MINS JUST BEYOND EXISTING SHUTOFF VLVES S SHOWN. REFER TO PLNS FOR LOCTION WHERE REQUIRED VFD COOLING TOWER UNION (TYP.) BUTTERFLY VLVE (TYP.) EXISTING BOILER THERMOMETER TO BUILDING WTER SOURCE HET PUMP UNITS 7 CENTRL PLNT SCHEMTIC DIGRM NOT TO SCLE 6" 3 COOLING TOWER DIGRM NOT TO SCLE COORDINTE EXCT PIPE CONNECTION POINTS ND SIZES WITH COOLING TOWER MNUFCTURER DR. DES. CKD. 3/9/

6 DIVISION 3 MECHNICL SPECIFICTIONS. SECTION GENERL PROVISIONS. WORK UNDER THIS SECTION INCLUDES LL LBOR ND MTERIL NECESSRY TO INSTLL COMPLETE HVC SYSTEM S SHOWN ND SPECIFIED ND IN CCORDNCE WITH CONTRCT DOCUMENTS, LL PPLICBLE CODES, RULES ND REGULTIONS. THE MECHNICL CONTRCTOR SHLL HVE CURRENT CONTRCTOR'S LICENSE WHICH HS BEEN VLID IN THE STTE OF RIZON FOR MINIMUM OF TWO YERS. THE CONTRCTOR SHLL PY FOR LL PERMITS, FEES, CITY INSPECTIONS, LEGL NOTICES, ETC., S REQUIRED.. SUBMITTLS: PROVIDE PDF SUBMITTLS OF LL MECHNICL EQUIPMENT ND MTERILS INTENDED FOR INSTLLTION ON THIS PROJECT FOR THE ENGINEER'S REVIEW. SUBMITTLS SHLL BE IN ONE PDF FILE, WITH BOOKMRKS T ECH SECTION LBELED WITH THE SPECIFICTION NUMBER ND NME TO LLOW FOR ESY NVIGTION THROUGH THE SUBMITTL. 3. SBUILT DRWINGS: MINTIN ONE SET OF MRKEDUP PPER COPIES OF THE CONTRCT DRWINGS T THE JOB SITE TO SHOW THE CTUL INSTLLTION WHERE INSTLLTION VRIES FROM THT SHOWN ORIGINLLY. PROVIDE TO OWNER T PROJECT COMPLETION. 4. OPERTION ND MINTENNCE MNUL: PRIOR TO COMPLETION OF THE PROJECT, COMPILE COMPLETE OPERTION ND MINTENNCE MNUL FOR LL EQUIPMENT SUPPLIED. PROVIDE TO OWNER T PROJECT COMPLETION. 5. GURNTEE: GURNTEE (IN WRITING) LL MTERIL, EQUIPMENT, INSTLLTION ND WORKMNSHIP FOR LL MECHNICL EQUIPMENT ND WORK TO BE FREE FROM DEFECTS FOR ONE YER FROM OF SUBSTNTIL COMPLETION. 6. INSTLL VLVES, THERMOMETERS, GUGES, TRPS, CONTROL DEVICES OR OTHER SPECILTIES REQUIRING REDING, DJUSTMENT, INSPECTION, REPIRS, REMOVL OR REPLCEMENT CONVENIENTLY ND CCESSIBLY THROUGHOUT THE FINISHED BUILDING. 7. LL CCESS DOORS OR PNELS IN WLLS ND CEILINGS REQUIRED FOR CCESS TO CONTROL DEVICES, VLVES ND SIMILR DEVICES RE TO BE FURNISHED ND INSTLLED S PRT OF THE WORK UNDER THIS SECTION. COORDINTE FINISHES WITH RCHITECT. B. SECTION VRIBLE FREQUENCY DRIVES. PROVIDE BB CH DRIVE WITH THE OPTIONL RS3 COMMUNICTION PORT ND THE PSS SYSTEM LLOWING FOR SFE TRNSFER OF THE BETWEEN POWER CONVERTER OUTPUT ND PSS CIRCUIT; MNULLY, UTOMTICLLY, OR BOTH.. INTEGRL INPUT DISCONNECTIN MENS ND COPD: NEM B, THERMLMGNETIC CIRCUIT BREKER WITH PDLOCKBLE, DOORMOUNTED HNDLE MECHNISM. a. DISCONNECT RTING: NOT LESS THN 5% OF NFP 70 FULLLOD CURRENT RTING OR VFD INPUT CURRENT RTING, WHICHEVER IS LRGER. C. SECTION EXPNSION FITTINGS FOR HVC PIPING. INSTLL EXPNSION JOINT OR PIPE LOOP SSEMBLIES S NEEDED TO CONTROL EXPNSION ND CONTRCTION OF THE HYDRONIC PIPING SYSTEMS ND WHERE PIPING CROSSES BUILDING EXPNSION JOINT. D. SECTION SLEEVES & SLEEVE SELS FOR HVC PIPING. INSTLL SLEEVES FOR PIPING PSSING THROUGH PENETRTIONS IN FLOORS, PRTITIONS, WLLS ND ROO.. SLEEVESEL SYSTEMS (LINKSEL OR PPROVED) RE REQUIRED FOR COREDRILLED HOLES THROUGH EXTERIOR WLLS BELOW GRDE OR SLBONGRDE FLOORS. FOR SLEEVES THT WILL HVE SLEEVESEL SYSTEMS INSTLLED, SELECT SLEEVES OF SIZE LRGE ENOUGH TO PROVIDE INCH NNULR CLER SPCE BETWEEN PIPING ND CONCRETE SLBS ND WLLS. E. SECTION ESCUTCHEONS FOR HVC PIPING. INSTLL CHROMEPLTED ESCUTCHEONS FOR PIPING PENETRTIONS OF WLLS, CEILINGS ND FINISHED FLOORS. F. SECTION METERS & GGES FOR HVC PIPING. INSTLL THERMOMETERS WITH PIPE WELLS ND PRESSURE GGES WITH NEEDLE VLVES WHERE INDICTED ON DRWINGS ND T THE INLET ND OUTLET OF ECH BOILER, CHILLER, LL HYDRONIC COILS T IR HNDLING UNITS, ND HET EXCHNGER. PRESSURE GGES RE TO BE INSTLLED T THE INLET ND OUTLET OF ECH PUMP ND PRESSUREREDUCING VLVE. THERMOMETERS ND PRESSURE GGES RE NOT REQUIRED ON HYDRONIC COILS LOCTED BOVE CEILINGS; USE PETE'S PLUGS. G. SECTION ELECTRICL & CONTROL WIRING FOR MECHNICL SYSTEMS. MECHNICL WIRING: PROVIDE LL TEMPERTURE CONTROL WIRING, INTERLOCK WIRING, ND EQUIPMENT CONTROL WIRING FOR THE EQUIPMENT THT IS TO BE PROVIDED UNDER DIVISION 3 UNLESS WIRING IS SPECIFICLLY SHOWN ON ELECTRICL DRWINGS.. WIRING IS TO BE INSTLLED IN METL CONDUIT. H. SECTION GENERL DUTY VLVES FOR HVC HYDRONIC PIPING. INSTLL VLVES WITH UNIONS OR FLNGES T ECH PIECE OF EQUIPMENT, RRNGED TO LLOW SERVICE, MINTENNCE, ND EQUIPMENT REMOVL WITHOUT SYSTEM SHUTDOWN. LOCTE VLVES FOR ESY CCESS ND PROVIDE SEPRTE SUPPORT WHERE NECESSRY.. BLL VLVES RE TO BE TWOPIECE, FULL PORT, BRONZE BODY, WITH STINLESS STEEL BLL ND STEM. BUTTERFLY VLVES RE TO BE CST IRON, LUG BODY VLVES WITH EPDM SET ND STINLESS STEEL DISC ND STEM. 3. IF VLVE PPLICTIONS RE NOT OTHERWISE INDICTED, ND EXCEPT S SPECIFIED IN PIPING SYSTEM SECTIONS, USE THE FOLLOWING: a. SHUTOFF SERVICE: BLL OR BUTTERFLY VLVES. b. THROTTLING SERVICE: BLL OR BUTTERFLY VLVES. 4. PROVIDE PRODUCTS ONE OF THE FOLLOWING: a. NVIL. b. CONBRCO INDUSTRIES; POLLO VLVES. c. FNW GRINNELL. d. HMMOND VLVE. e. MILWUKEE VLVE COMPNY. f. NIBCO INC. g. VICTULIC. h. WTTS. I. SECTION HNGERS ND SUPPORTS FOR MECHNICL PIPING ND EQUIPMENT:. INSTLL HNGERS ND SUPPORTS COMPLETE WITH NECESSRY TTCHMENTS, INSERTS, BOLTS, RODS, NUTS, WSHERS, ND OTHER CCESSORIES. INSTLL HNGERS ND SUPPORTS TO LLOW CONTROLLED THERML [ND SEISMIC] MOVEMENT OF PIPING SYSTEMS, TO PERMIT FREEDOM OF MOVEMENT BETWEEN PIPE NCHORS, ND TO FCILITTE CTION OF EXPNSION JOINTS, EXPNSION LOOPS, EXPNSION BENDS, ND SIMILR UNITS.. WRP COPPER PIPING WITH NOT LESS THN TWO LYERS OF 0 MIL. THICK BLCK PLSTIC TPE EXTENDING MINIMUM OF INCH ON ECH SIDE OF CLMP FOR ELECTROLYTIC PROTECTION WHERE HNGERS OR SUPPORTS RE IN DIRECT CONTCT WITH COPPER PIPING. 3. USE THERMLHNGER SHIELD INSERTS FOR INSULTED PIPING. J. SECTION IDENTIFICTION FOR HVC PIPING & EQUIPMENT. INSTLL OR PERMNENTLY FSTEN LBELS ON ECH MJOR ITEM OF MECHNICL EQUIPMENT. LOCTE EQUIPMENT LBELS WHERE CCESSIBLE ND VISIBLE. LBEL LETTER COLOR TO BE BLCK ON WHITE BCKGROUND. MINIMUM LETTER SIZE SHLL BE / INCH HIGH, INCLUDE SECONDRY LETTERING T 3/8 INCH.. LOCTE PIPE LBELS WHERE PIPING IS EXPOSED IN MCHINE ROOMS ND EXTERIOR EXPOSED LOCTIONS. INCLUDE IDENTIFICTION OF PIPING SERVICE USING SME DESIGNTIONS OR BBREVITIONS S USED ON DRWINGS ND N RROW INDICTING FLOW DIRECTION. MINIMUM LBEL LETTER SIZE SHLL BE / INCHES HIGH. LBEL PIPING S FOLLOWS: a. NER ECH VLVE ND CONTROL DEVICE. b. BOTH SIDES OF PENETRTIONS THROUGH WLLS, FLOORS, CEILINGS, ND INCCESSIBLE ENCLOSURES. c. T CCESS DOORS, MNHOLES, ND SIMILR CCESS POINTS THT PERMIT VIEW OF CONCELED PIPING. d. NER MJOR EQUIPMENT ITEMS ND OTHER POINTS OF ORIGINTION ND TERMINTION. e. SPCED T MXIMUM INTERVLS OF 0 FEET LONG ECH RUN. REDUCE INTERVLS TO 0 FEET IN RES OF CONGESTED PIPING ND EQUIPMENT. REDUCE SPCING TO 5 FEET WHEN REQUIRED CODE. 3. PINT NEW PIPING TO MTCH THE EXISTING COLOR SCHEME CURRENTLY USED T THIS PROJECT SITE. PIPING INSIDE THE MECHNICL ROOM IS TO BE PINTED GREEN. EXTERIOR PIPING IN THE TOWER YRD IS TO BE PINTED GREY. COLORS RE TO BE VERIFIED WITH THE OWNER. K. SECTION TESTING, DJUSTING & BLNCING FOR HVC. PPROVED CONTRCTORS: ENGGE THE SERVICES OF ONE OF THE FOLLOWING: a. BLE IR BLNCE, LLC. b. BM BUILDING SERVICES, LLC., PHOENIX, RIZON BLNCE DIVISION c. RIZON IR BLNCE CO. d. PHOENIX TEST & BLNCE CO. e. PRECISION IR. f. SOUTHWEST TESTING ND BLNCING, LLC. g. SYSTEMS COMMISSIONING & TESTING, INC. h. TB TECHNOLOGY, INC. i. TECHNICL IR BLNCE.. PERFORM TESTING ND BLNCING PROCEDURES ON ECH SYSTEM CCORDING TO THE PROCEDURES CONTINED IN BC'S "NTIONL STNDRDS FOR TOTL SYSTEM BLNCE" OR NEBB'S PROCEDURL STNDRDS FOR TESTING, DJUSTING ND BLNCING OF ENVIRONMENTL SYSTEMS, ND IN THIS SECTION. 3. SET HVC SYSTEMS PLUS OR MINUS 0 PERCENT OF THE DESIGN FLOW SHOWN. 4. TESTING & BLNCING CONTRCTOR TO MESURE ND SET LL HYDRONIC SYSTEMS S SHOWN ON THE DRWINGS, INCLUDING THE TOWER WTER PUMPS ND THE NEW BUILDING CONDENSER WTER PUMPS. L. SECTION BUILDING UTOMTION SYSTEM FOR HVC (BS). THE EXISTING MERICN UTOMTRIX SCHOOL BS CONTRCTOR (KERRY OLSON UNIVERSL CONTROL SYSTEMS INC ) IS RESPONSIBLE FOR THE COMPLETE INSTLLTION OF THIS SYSTEM S NECESSRY TO MTCH THE CURRENT SEQUENCE OF OPERTIONS OF THE COOLING TOWER/BOILER HET PUMP HYDRONIC PLNT. THE COMPLETE INSTLLTION INCLUDES LL REQUIRED 0 VOLT WIRING, LL LOW VOLTGE WIRING, ND COMMUNICTION WIRING. REFER TO SECTION ELECTRICL ND CONTROL WIRING FOR MECHNICL SYSTEMS FOR REQUIREMENTS.. LL UTOMTION ND CONTROL COMPONENTS SHLL BE INTEGRTED INTO THE EXISTING MERICN UTOMTRIX SYSTEM. UP EXISTING FRONT END GRPHICS WITH LL EQUIPMENT INSTLLED DURING THIS PROJECT. 3. THE SEQUENCE OF OPERTION OF THE COOLING TOWER/BOILER HET PUMP HYDRONIC PLNT IS TO REMIN S IS WITH THE EXCEPTION OF THE OPERTION OF THE NEW FLUID COOLER VFD'S INSTLLED WITHIN THIS PROJECT. THESE VFD'S RE TO MODULTE THE SPEED OF THE FLUID COOLER FNS S REQUIRED TO MINTIN THE BUILDING CONDENSER WTER SUPPLY TEMPERTURE. M. SECTION 3 3 HYDRONIC PIPING. CONDENSERWTER PIPING, BOVEGROUND, SHLL BE SCHEDULE 40 STEEL PIPE; WROUGHTSTEEL FITTINGS ND WROUGHTCST OR FORGEDSTEEL FLNGES ND FLNGE FITTINGS, ND WELDED ND FLNGED JOINTS.. MKEUPWTER PIPING INSTLLED BOVEGROUND: TYPE L, DRWNTEMPER COPPER TUBING, WROUGHTCOPPER FITTINGS, ND SOLDERED JOINTS. 3. INSTLL SHUTOFFDUTY VLVES T ECH BRNCH CONNECTION TO SUPPLY MINS, ND T SUPPLY CONNECTION TO ECH PIECE OF EQUIPMENT. 4. INSTLL MNUL IR VENTS T HIGH POINTS IN PIPING, T HETTRNSFER COILS, ND ELSEWHERE S REQUIRED FOR SYSTEM IR VENTING. 5. INSTLL PIPING T RIGHT NGLES OR PRLLEL TO BUILDING WLLS. DIGONL RUNS RE PROHIBITED UNLESS SPECIFICLLY INDICTED OTHERWISE. DO NOT INSTLL HYDRONIC PIPING WITHIN ELECTRICL ROOMS, ELEVTOR EQUIPMENT ROOMS, MDF OR IDF ROOMS, OR STIRWELLS. 6. FILL THE TOWER WTER LOOP SYSTEM WITH FRESH WTER, FLUSH ND REFILL WITH CLEN WTER ND PSSIVTE INTERIOR OF PIPING SYSTEMS USING CHEMICLS SUPPLIED HVC WTER TRETMENT CONTRCTOR. CIRCULTE CHEMICLS FOR MINIMUM OF 4 HOURS OR LONGER S DIRECTED TO REMOVE OILS, DIRT ND OTHER COMPOUNDS DETRIMENTL TO THE PROPER OPERTION OF THE SYSTEM. 7. REMOVE CONSTRUCTION DEBRIS, DUST, DIRT ND OTHER FOREIGN MTERIL FROM PIPING SYSTEMS S WORK PROGRESSES. PROTECT PIPE OPENINGS DURING CONSTRUCTION. N. SECTION 3 3 HYDRONIC PUMPS. PROVIDE PRODUCTS ONE OF THE MNUFCTURERS SPECIFIED: a. RMSTRONG PUMPS INC. b. UROR PUMP; DIVISION OF PENTIR PUMP GROUP. c. BELL & GOSSETT; DIV. OF ITT INDUSTRIES. d. PCO PUMPS. e. PTTERSON PUMP COMPNY; GORMNRUPP COMPNY. f. TCO, INC. g. WEINMN; DIV. OF CRNE PUMPS & SYSTEMS. O. SECTION HVC WTER TRETMENT (TOWER WTER LOOP). PIPING INSTLLED WITHIN THE SCOPE OF THIS PROJECT IS TO BE CLENED PRIOR TO CONNECTION TO THE EXISTING HYDRONIC MIN SYSTEM ND BEING PLCED INTO SERVICE. a. REMOVE LL EXTRNEOUS LOOSE DEBRIS, CONSTRUCTION MTERIL, TRSH ND DIRT FROM TNKS, PIPING, FILTERS, ETC. b. CLEN EXISTING TOWER SUMP PIT. c. FLUSH WTER FILL LINES SEPRTELY TO DRIN. d. ENSURE THT RUST ND DEBRIS FROM THE PIPING INSTLLED WITHIN THE SCOPE OF THIS PROJECT RE NOT WSHED INTO THE EXISTING HYDRONIC MIN PIPING SYSTEM. e. FILL SYSTEM WITH CLEN, FRESH WTER. f. DD CLENING CHEMICLS PRESCRIBED WTER TRETMENT COMPNY TO CIRCULTING WTER. BE SURE CLENING CHEMICL IS DISSOLVED ND DISTRIBUTED THOROUGHLY SO CLENER DOES NOT SETTLE OUT IN ONE PRT OF THE SYSTEM. g. CIRCULTE CLENING SOLUTION FOR MINIMUM OF 48 HOURS. REMOVE LL SCREENS ND STRINERS T COMPLETION OF CLENING; CLEN ND REPLCE. h. T COMPLETION OF CLENING, WHILE WTER IS BEING RECIRCULTED T HIGH RTE, OPEN DRIN VLVE T LOWEST POINTS IN SYSTEM ND DRIN CLENING SOLUTION S RPIDLY S POSSIBLE. (DRINING WHILE UNDER RECIRCULTION WILL PREVENT SETTLING OF SOLIDS IN REMOTE PORTIONS OF SYSTEM.) i. WHEN CLENING HS BEEN THOROUGHLY CCOMPLISHED, REFILL SYSTEM WITH FRESH WTER ND STRT RECIRCULTION RINSE. IF SIGNIFICNT MOUNTS OF CONTMINTING MTERILS RE STILL PRESENT, REPET FLUSHING ND DRINING PROCEDURES. DRIN RINSE WTER ND DD FRESH MKEUP WTER UNTIL LL SIGNS OF CLENING CHEMICLS HVE BEEN REMOVED. j. FILL WITH MKEUP WTER ND PROCEED IMMEDITELY WITH PSSIVTING STEPS TO DEVELOP PROTECTIVE FILMS ON LL METLLIC SURFCES.. PROVIDE GURNTEE THT THE TRETED SYSTEMS WILL REMIN SCLE ND LGE FREE FOR PERIOD OF ONE YER WHEN THE PROVIDED CHEMICLS RE USED S DIRECTED. IF SCLING OR FOULING OCCURS WHEN THE PROVIDED CHEMICLS RE USED S DIRECTED, THE WTER TRETMENT FIRM SHLL CLEN THE SYSTEM(S) T NO COST TO THE OWNER. P. SECTION OPENCIRCUIT, INDUCED DRFT COOLING TOWERS. PROVIDE PRODUCT INDICTED ON DRWINGS OR COMPRBLE PRODUCT ONE OF THE FOLLOWING: a. COOLING TOWERS: ) BLTIMORE IRCOIL COMPNY OR OWNER PPROVED EQUL. DR. 333 West Northern venue Telephone Phoenix, rizona 850 Facsimile LSW Engineers rizona, Inc. DES CKD. 3/9/

OPERATING MAX FUSE WEIGHT (LBS.) MCA HP FLA RLA LRA COOLING DATA GAS HEATING SECTION ELECTRICAL DATA INPUT SC (MBH) LAT EAT TC (MBH) OUTPUT (MBH)

OPERATING MAX FUSE WEIGHT (LBS.) MCA HP FLA RLA LRA COOLING DATA GAS HEATING SECTION ELECTRICAL DATA INPUT SC (MBH) LAT EAT TC (MBH) OUTPUT (MBH) NEW WTER - SOURCE HET PUMP SCHEDULE TG NO. MKE MODEL RISER SIZE FN DT COOLING DT @ 80/65 HETING DT ELECTRICL DT WTER COND. ESP SPD (20% P.G.) GPM ECH* EWT/LWT TC SC EWT HC VOLTS PH FN COMPRESSOR HP FL