request for information 045 - kitchell ftp - 1st floor nst mri suite... · request for information...
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Detailed with Impact
Request for Information 045
St. Joe's 1st Floor NST MRI KITCHELL CONTRACTORS INC. of AZProject # 6007A
350 W THOMAS ROAD
PHOENIX, AZ 85013
Tel: Fax:
RFI #: 045 Date Created: 3/12/2015
Kitchell Company Kitchell ContactResponse Company Responded By
HKS INC. Bob Rowlands KITCHELL CONTRACTORS INC.
of AZ
Matthew Ognar
821 N CENTRAL AVE
PHOENIX, AZ 85004
1707 E HIGHLAND AVE 100
PHOENIX, AZ 85016
Co-Respondent Co-Author RFI Number
Company Name Contact Name Copies NotesCc:
DisciplineSubject Category
MRI Equipment Room / 1000 Ceiling and FM200
System
Cost Impact
Unknown
Sched Impact
Unknown
Dwg Impact
Unknown
Cost Impact Comments Sched Impact Comments Dwg Impact Comments
Question Date Required: 3/19/2015
A2.02 & M2.01
Reflected Ceiling Plan on Sheet A2.02 identifies requirements for acoustical ceiling, type ACT-01, to be installed at MRI
Equipment Room / 1000 at a height of 10'-8" AFF. Sheet M2.01 identifies requirements for the new 8" exhaust duct to
be run on the plan South side of the column, however there was not sufficient room for this routing, so the exhaust duct
was required to be run on the plan North side of the column, above the 26"x12" supply air duct. Bottom of the existing
beam at this location is at 11'-2" AFF. Due to the elevation of the bottom of the existing beam, it was not possible to run
the ductwork above ceiling, so it was discussed at an onsite meeting to run the supply air duct below the ceiling. Terry
Manning, has identified requirements for the FM200 system nozzle to be installed within 12" of the ceiling with no
obstructions which cannot be met with the duct installed below the ceiling. In light of this, it is proposed that the ACT
ceiling at MRI Equipment Room / 1000 be eliminated and that the FM200 system be revised to protect the entire room as
identified in attached revised fire alarm shop drawings.
Please review and confirm / verify the proposed accordingly.
Response Date Answered:
Prolog Manager Printed on: 3/12/2015 KCI_Integated Page 1
RESEARCHCENTER
NEUROSCIENCE
7th
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RADIATIONANDONCOLOGY
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240BUILDING
BUILDING 222
MERRILL
3RD AVENUEPARKINGGARAGE
OUTPATIENTPEDIATRICSBUILDING 124
OUTPATIENTREHABFACILITYBUILDING 114
STREET
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APPROVAL STAMP
ST. JOSEPH'S HOSPITAL AND MEDICAL CENTERNST TOWER - 1st FLOOR MRI
PHOENIX, ARIZONA 85013FIRE ALARM SYSTEM MODIFICATION AND
CLEAN AGENT FIRE SUPPRESSION SYSTEM
PROJECT INFORMATIONNAME:ST. JOSEPH'S HOSPITAL AND MEDICAL CENTER
NST TOWER - 1st FLOOR MRI
ADDRESS:350 WEST THOMAS ROAD
PHOENIX, ARIZONA 85013
SQUARE FOOTAGEAREA NAME:FIRE ALARM AREA - 1,864 SQ. FT.
HAZARD INFORMATIONAREA NAME:MRI EQUIPMENT ROOM - 1,686.93 CU. FT.
INSTALLING CONTRACTORNAME:AMERICAN FIRE EQUIPMENT SALES AND SERVICE CORPORATION
ADDRESS:3107 WEST VIRGINIA AVENUE
PHOENIX, ARIZONA 85009
TELEPHONE NUMBER:(602) 433-2484
PROJECT MANAGER:RYAN CLARK
CONTRACTOR LICENSE NUMBER:092461 (L-16)
092462 (L-67)
MONITORING COMPANYNAME:RAPID RESPONSE MONITORING
ADDRESS:400 WEST DIVISION STREET
SYRACUSE, NEW YORK 13204
PHONE:(315) 422-9946
SYSTEM (S) DESCRIPTIONTYPE:BUILDING FIRE ALARM SYSTEM
CONCEPT:ADDRESSABLE CONTROL SYSTEM
WIRING METHOD:CLASS "A"
NOTIFICATION DEVICES:SPEAKER/STROBE - TEMPORAL CHIME
EVACUATION TYPE:VOICE EVACUATION FLOOR ABOVE AND TWO FLOORS BELOW
PATHWAY SURVIVABILITY:LEVEL 3
PATHWAY SURVIVABILITY NOTE:THIS PROJECT INCLUDES THE MODIFICATION OR ADDITIONS TO THE EXISTING FIRE ALARM
SYSTEM AND VOICE COMMUNICATION SYSTEM. THE WORK INVOLVED WILL NOT BE IN THE
SAME SMOKE ZONE OR COMPARTMENT AS THE FIRE ALARM SYSTEM RISER. CIRCUIT
INTEGRITY IS REQUIRED IN ACCORDANCE WITH NFPA 72, 2013 EDITION, SECTION 24.3.6.
CIRCUIT INTEGRITY WILL BE ACHIEVED IN ACCORDANCE WITH AN EXISTING “APPEAL TO
THE FIRE MARSHAL (FPSR 1401245)” THROUGH THE USE OF U. L. LISTED FIRE ALARM WIRE
ENCLOSED IN CONDUIT AND INSTALLED ABOVE THE CEILING OR IN WALLS. THE VOICE
COMMUNICATION CIRCUIT (S) WILL BE INSTALLED IN A “CLASS A” CONFIGURATION.
AND
SYSTEM (S) DESCRIPTIONTYPE:CLEAN AGENT FIRE SUPPRESSION SYSTEM - TOTAL FLOOD
CONCEPT:ADDRESSABLE CONTROL SYSTEM
WIRING METHOD:CLASS "A"
NOTIFICATION DEVICES:HORN/STROBE - 1st ALARM (SLOW PULSE)
HORN/STROBE - 2nd ALARM (FAST PULSE)
HORN/STROBE - DISCHARGE (STEADY PULSE)
STROBE OUTSIDE HAZARD - DISCHARGE
CODES AND STANDARDSNFPA 70 (2011)
NFPA 72 (2013)
NFPA 2001 (2014)
IFC (2012) w/AHJ AMENDMENTS
BUILDING OCCUPANCYOCCUPANCY TYPE:BUSINESS - GROUP 'B'
INSTITUTIONAL - GROUP 'I-2'
BUILDING OWNERNAME:ST. JOSEPH'S HOSPITAL AND MEDICAL CENTER
ADDRESS:350 WEST THOMAS ROAD
PHOENIX, ARIZONA 85013
ELECTRICAL CONTRACTORNAME:CANNON & WENDT ELECTRIC CO.
ADDRESS:4020 NORTH 16th STREET
PHOENIX, ARIZONA 85016
TELEPHONE NUMBER:(602) 279-1681
APPROVING AGENCY (S)NAME:CITY OF PHOENIX,
DEVELOPMENT SERVICES DEPARTMENT
ANNUAL FACILITIES PERMIT PROGRAM - AFP# I-058
ADDRESS:438 WEST ADAMS STREET
PHOENIX, ARIZONA 85004
TELEPHONE NUMBER:(602) 262-7501
DRAWING INDEXFA-1 COVER SHEET
FA-2 SEQUENCE OF OPERATION
FA-3 PARTIAL FIRE ALARM SYSTEM FLOOR PLAN
FA-4 FIRE SUPPRESSION SYSTEM FLOOR PLANS
FA-5 FIRE ALARM SYSTEM WIRING DIAGRAM, AND BATTERY CALCULATIONS
FA-6 FIRE ALARM SYSTEM RISER DIAGRAM, AND DEVICE ADDRESS LIST
FA-7 FIRE SUPPRESSION SYSTEM WIRING DIAGRAM, AND BATTERY CALCULATIONS
FIRE ALARM SCOPE OF WORK1) MODIFY THE EXISTING BUILDING FIRE ALARM SYSTEM FOR THE ST. JOSEPH'S HOSPITAL AND
MEDICAL CENTER - NST TOWER - 1st FLOOR MRI.
2) AMERICAN FIRE EQUIPMENT SHALL PROVIDE ALL SYSTEM DRAWINGS, EQUIPMENT, WIRING,
RACEWAYS, LABOR, PERMITS AND TESTING FOR ALL LIFE SAFETY DEVICES.
3) UPON COMPLETION OF THE SYSTEM INSTALLATION, A COMPLETE FUNCTIONAL TEST OF THE
SYSTEM SHALL BE PERFORMED, VERIFYING PROPER OPERATION OF ALL COMPONENTS.
AMERICAN FIRE EQUIPMENT SHALL BE RESPONSIBLE TO COORDINATE TESTING AND INSPECTION
OF THE LIFE SAFETY SYSTEM.
4) AMERICAN FIRE EQUIPMENT SHALL BE RESPONSIBLE TO COORDINATE ALL TESTING AND
INSPECTION OF THE FIRE ALARM SYSTEM WITH THE LOCAL FIRE INSPECTOR, GENERAL
CONTRACTOR AND ANY ASSOCIATED CONTRACTORS
5) AMERICAN FIRE EQUIPMENT SHALL PROVIDE COPIES OF INSPECTION REPORTS AND ASBUILT
DRAWINGS TO THE OWNER UPON COMPLETION OF THE PROJECT.
6) ALL OTHER EXISTING PORTIONS OF THE FIRE ALARM SYSTEM ARE TO REMAIN WITHOUT
CHANGE UNLESS NOTED ON THESE PLANS.
CLEAN AGENT SCOPE OF WORK1) INSTALL ONE (1) NEW FIKE SAPPHIRE FIRE SUPPRESSION SYSTEM FOR ST. JOSEPH'S HOSPITAL
AND MEDICAL CENTER - NST TOWER - 1st FLOOR MRI. AMERICAN FIRE EQUIPMENT SHALL
PROVIDE SYSTEM, DRAWINGS, CALCULATIONS AND PROVIDE ALL SYSTEM EQUIPMENT. AMERICAN
FIRE EQUIPMENT SHALL BE RESPONSIBLE FOR INSTALLATION, LABOR, MATERIALS, PERMITS,
TESTING AND CERTIFICATION.
2) THE FIRE SUPPRESSION SYSTEM SHALL PROVIDE INDEPENDENT FIRE PROTECTION FOR THE
HAZARD AS DESCRIBED IN THE HAZARD INFORMATION SECTION.
3) THE FIRE SUPPRESSION SYSTEM DESIGN SHALL UTILIZE AUTOMATIC DETECTION, MANUAL
ACTIVATION, NOTIFICATION SIGNALS AND EQUIPMENT SHUTDOWN CONTROLS. THE SYSTEM
DESIGN AND INSTALLATION SHALL BE IN ACCORDANCE WITH THE MANUFACTURER'S GUIDELINES,
CALCULATIONS AND EQUIPMENT LISTINGS.
4) THE FIRE SUPPRESSION SYSTEM CONTROL PANEL SHALL PROVIDE OUTPUTS FOR ALARM AND
TROUBLE SIGNALS TO THE BUILDING FIRE ALARM PANEL.
5) UPON COMPLETION OF THE SYSTEM INSTALLATION, A COMPLETE FUNCTIONAL TEST OF THE
SYSTEMS SHALL BE PERFORMED VERIFYING PROPER OPERATION OF ALL COMPONENTS.
ADDITIONALLY, A ROOM INTEGRITY (FAN) TEST SHALL BE PERFORMED TO VERIFY PROPER
SEALING OF THE HAZARD AREA.
6) AMERICAN FIRE EQUIPMENT SHALL BE RESPONSIBLE TO COORDINATE ALL TESTING AND
INSPECTION OF THE FIRE SUPPRESSION SYSTEMS WITH THE LOCAL FIRE INSPECTOR, GENERAL
CONTRACTOR AND ANY ASSOCIATED CONTRACTORS.
7) AMERICAN FIRE EQUIPMENT SHALL PROVIDE COPIES OF INSPECTION REPORTS, ASBUILT
DRAWINGS AND OPERATIONAL TRAINING TO THE OWNER UPON COMPLETION OF THE SYSTEMS
INSTALLATION AND TESTING.
GENERAL NOTES1) THE DISCHARGE TIME OF THE CLEAN AGENT SYSTEM SHALL BE 10 SECONDS OR LESS. THE
PROTECTED VOLUME SHALL BE TOTAL FLOODED AT A MINIMUM 4.7% CONCENTRATION FACTOR.
THE PROTECTED AREA SHALL MAINTAIN A MINIMUM 4.7% CONCENTRATION FOR A MINIMUM
PERIOD OF 10 MINUTES.
2) ALL DOORS LEADING FROM THE PROTECTED AREA SHALL REQUIRE DOOR CLOSURES, DOOR
SEALS AND DOOR SWEEPS TO MAINTAIN A PROPER CLEAN AGENT CONCENTRATION LEVEL, AND
PREVENT LEAKAGE OF AGENT. SEALING OF DOORS SHALL BE PERFORMED BY OTHERS.
3) THE FIRE SUPPRESSION CONTROL PANEL SHALL HAVE BATTERY BACKUP TO PROVIDE 24
HOURS OF STANDBY OPERATION AND 5 MINUTES OF ALARM OPERATION.
4) SEALING OF CONDUIT, PIPE AND DUCT PENETRATIONS INTO THE PROTECTED AREA SHALL BE
REQUIRED TO MAINTAIN A PROPER CLEAN AGENT CONCENTRATION LEVEL, AND PREVENT
LEAKAGE OF THE AGENT. SEALING OF OPENINGS SHALL BE PERFORMED BY OTHERS.
5) ALL SYSTEM PROGRAMMING AND TERMINATIONS WITHIN THE FIRE SUPPRESSION CONTROL
PANEL SHALL BE PERFORMED BY AMERICAN FIRE EQUIPMENT.
6) SPRINKLER HEADS ARE TO REMAIN IN THE PROTECTED AREAS UNLESS A VARIANCE IS
GRANTED BY THE LOCAL AUTHORITY HAVING JURISDICTION.
ELECTRICAL REQUIREMENTS1) ALL DETECTION AND CONTROLS WIRING SHALL BE IN A MINIMUM OF 3/4" RED CONDUIT.
2) REFER TO THE WIRE CHART TO DETERMINE THE CONDUCTOR SIZE AND INSULATION TYPE TO
BE INSTALLED. ALL CONDUCTORS ARE TO BE SOLID COPPER UNLESS OTHERWISE NOTED ON THE
PLANS.
3) ALL CIRCUITS SHALL BE DESIGNATED AS FOLLOWS:
a) SIGNAL LINE CIRCUITS (SLC) SHALL BE DESIGNATED OR CLASS "A".
b) INITIATING DEVICE CIRCUITS (IDC) SHALL BE DESIGNATED CLASS "A".
c) NOTIFICATION APPLIANCE CIRCUITS (NAC) SHALL BE DESIGNATED CLASS "A".
4) ALL DEVICE AND CONTROL PANEL TERMINATIONS SHALL BE PERFORMED BY AMERICAN FIRE
EQUIPMENT.
5) ALL DEVICES SHALL BE MOUNTED AS FOLLOWS:
a) SMOKE DETECTORS SHALL BE NO CLOSER THAN THREE (3) FEET FROM ANY AIR REGISTER.
b) DUCT DETECTORS SHALL BE MOUNTED IN ACCORDANCE WITH MANUFACTURER'S
INSTRUCTIONS AND NFPA 72 (2013), SECTION 17.7.5.5.
c) MANUAL PULL STATIONS SHALL BE 48" ABOVE THE FINISHED FLOOR TO THE MIDDLE OF THE
DEVICE.
d) WALL MOUNTED NOTIFICATION DEVICES SHALL BE MOUNTED AT 80" ABOVE FINISHED FLOOR
OR 6" BELOW THE CEILING TO THE CENTER OF THE DEVICE WHICHEVER IS THE LOWEST.
e) CEILING MOUNTED NOTIFICATION DEVICES MOUNTED ABOVE 10'-0" A.F.F. SHALL BE DE-RATED
PER NFPA 72 (2013), TABLE 18.5.5.4.1(b).
f) WHERE PARTITIONS EXTEND TO WITHIN LESS THAN 18" FROM THE CEILING THE SMOKE
DETECTOR SPACING SHALL BE REDUCED OR AN ADDITIONAL SMOKE DETECTION SHALL BE
INSTALLED.
6) THE SELECTION AND PLACEMENT OF SMOKE DETECTORS SHALL TAKE INTO CONSIDERATION
THE AREA IN WHICH THE SMOKE DETECTOR IS INSTALLED. VERIFY ALL DEVICE LOCATIONS PRIOR
TO INSTALLATION.
7) THE 120 VAC CIRCUITS FOR THE FIRE ALARM PANEL SHALL BE A DEDICATED BRANCH CIRCUIT
TO COMPLY WITH NFPA 72 (2013), SECTION 10.6.5.
8) "T" TAPPING IS ALLOWED ON 24 VDC POWER CIRCUITS ONLY. "T" TAPPING IS NOT ALLOWED ON
ANY INITIATION, NOTIFICATION OR SIGNALING LINE CIRCUIT.
9) ALL CIRCUITS ORIGINATING FROM THE FIRE ALARM CONTROL PANEL OR NOTIFICATION
BOOSTER PANEL ARE POWER LIMITED. POWER LIMITED AND NON POWER LIMITED CIRCUITS CAN
NOT RESIDE IN THE SAME CONDUIT, CABLE OR RACEWAY.
10) THE FIRE ALARM SYSTEM SHALL BE INSTALLED PER NFPA 72 (2013), AND ALL APPLICABLE
STATE AND LOCAL CODES.
11) THE FIRE ALARM SYSTEM SHALL HAVE BATTERY BACKUP TO PROVIDE 24 HOURS OF STAND BY
OPERATION WITH 5 MINUTES OF ALARM.
12) AUDIBILITY THROUGHOUT THE AREA SHALL MEET ONE OF THE FOLLOWING REQUIREMENTS AS
SET FORTH IN NFPA 72 (2013) AND CITY OF PHOENIX REQUIREMENTS FOR THIS OCCUPANCY.
a) 10 dB ABOVE AMBIENT SOUND LEVELS TO A MINIMUM 60 dB IN PATIENT CARE AREAS (PRIVATE
MODE AREAS) TO COMPLY WITH NFPA 72 (2013), SECTION 18.4.4.2 (PRIVATE MODE AUDIBLE
REQUIREMENTS).
b) 15 dB ABOVE AMBIENT SOUND LEVELS TO A MINIMUM 60 dB IN PATIENT CARE STAFF AREAS
(PRIVATE MODE AREAS) TO COMPLY WITH NFPA 72 (2013), SECTION 18.4.4.2 (PRIVATE MODE
AUDIBLE REQUIREMENTS).
c) 15 dB ABOVE AMBIENT SOUND LEVELS TO A MINIMUM 65 dB IN BUSINESS STAFF AREAS (PUBLIC
MODE AREAS) TO COMPLY WITH NFPA 72 (2013), SECTION 18.4.4.2 (PRIVATE MODE AUDIBLE
REQUIREMENTS).
d) 15 dB ABOVE AMBIENT SOUND LEVELS TO A MINIMUM 70 dB IN PUBLIC AREAS (PUBLIC MODE
AREAS) TO COMPLY WITH NFPA 72 (2013), SECTION 18.4.3.1 (PUBLIC MODE AUDIBLE
REQUIREMENTS).
WORK BY OTHERSTHE FOLLOWING ITEMS ARE REQUIRED FOR PROPER FIRE ALARM SYSTEM OPERATION. THIS
WORK SHALL BE PROVIDED BY OTHER CONTRACTORS AND COORDINATED WITH AMERICAN FIRE
EQUIPMENT. THESE ITEMS SHALL BE COMPLETED PRIOR TO THE FINAL SYSTEM INSPECTION.
1) 120 VAC POWER TO THE FIRE ALARM PANEL ON A DEDICATED BRANCH CIRCUIT TO COMPLY
WITH NFPA 72 (2013), SECTION 10.6.5.
2) SEALING OF THE PROTECTED AREA TO PREVENT LEAKAGE OF THE CLEAN AGENT FIRE
SUPPRESSANT. THIS INCLUDES DOOR SEALS, DOOR SWEEPS, AIR HANDLER UNITS, AND SEALING
ANY WALL PENETRATIONS FOR CONDUITS, PIPING AND DUCTS.
3) WIRING AND CONDUIT TO SHUTDOWN THE HVAC SYSTEM SERVING THE PROTECTED AREA.
RELAY CONTACTS SHALL BE PROVIDED AT THE FIRE SUPPRESSION CONTROL PANEL.
4) PROVIDING, INSTALLATION OR WIRING OF SMOKE/FIRE DAMPERS NECESSARY TO ISOLATE THE
DUCTWORK LEAVING THE PROTECTED AREA. RELAY CONTACTS SHALL BE PROVIDED AT THE FIRE
SUPPRESSION CONTROL PANEL.
5) WIRING AND CONDUIT TO THE EPO SYSTEM SERVING THE PROTECTED AREA. RELAY CONTACTS
SHALL BE PROVIDED AT THE FIRE SUPPRESSION CONTROL PANEL.
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CLEAN AGENT PIPING REQUIREMENTS1) REFER TO SYSTEM DRAWINGS AND HYDRAULIC CALCULATIONS FOR THE LOCATION AND LAYOUTOF THE AGENT DISTRIBUTION PIPING SYSTEM. EXAMINE THE CONFIGURATION OF THE PIPINGSYSTEM TO ENSURE THE PIPING AND DISCHARGE NOZZLES DO NOT INTERFERE WITH SOLIDSTRUCTURE OBJECTS OR EQUIPMENT WITHIN THE HAZARD AREA BEFORE THE PIPINGCONSTRUCTION BEGINS. SHOULD ANY CONFLICTS OCCUR NOTIFY AMERICAN FIRE EQUIPMENTCOMPANY TO MAKE THE APPROPRIATE CHANGES ON THE SYSTEM DRAWINGS AND THE HYDRAULICCALCULATIONS BEFORE ANY PIPING CONSTRUCTION BEGINS.
2) PIPING MATERIAL SHALL CONFORM TO THE REQUIREMENTS AS OUTLINED IN NFPA 2001,SECTION 2-2.1 OF THE CURRENT EDITION. SCHEDULE 40 OR SCHEDULE 80 PIPE (BLACK ORGALVANIZED) SHALL CONFORM TO ASTM A53 OR A106 SHALL BE THE ONLY ACCEPTABLE PIPE USEDIN THE AGENT DISTRIBUTION PIPING SYSTEM. ORDINARY CAST IRON PIPE, STEEL PIPECONFORMING TO ASTM A-120, OR NON-METALLIC PIPE SHALL NOT BE PERMITTED IN THE AGENTDISTRIBUTION PIPING SYSTEM.
3) PIPE FITTINGS SHALL CONFORM TO THE REQUIREMENTS OUTLINED IN NFPA 2001, SECTION 2-2.3OF THE CURRENT EDITION. MALLEABLE IRON FITTINGS (BLACK OR GALVANIZED) SHALL BE 300 LB(135 KG) CLASS FITTINGS CONFORMING TO ASTM SPECIFICATION A-197. ORDINARY CAST IRONFITTING AND 150 LB (68 KG) CLASS FITTINGS SHALL NOT BE PERMITTED. "VICTAULIC" OR OTHERGROOVED FITTINGS SHALL BE PERMITTED AS LONG AS THEY ARE UL LISTED FOR THIS APPLICATION.THREADED, WELDED OR FLANGED FITTINGS SHALL BE PERMITTED AS LONG AS THEY CONFORM TOTHE ABOVE REQUIREMENTS. ALL FITTINGS SHALL BE THREADED FITTINGS UNLESS OTHERWISENOTED ON THE SYSTEM DRAWINGS. HOLE-CUT OR SIMILAR TYPE FITTINGS SHALL NOT BE USED.
4) THE METHOD OF JOINING ALL PIPING SHALL BE IN ACCORDANCE WITH NFPA 2001. TEFLON TAPEIS RECOMMENDED AND SHALL BE APPLIED ON THE MALE PIPE THREADS. ALL GROOVEDCOUPLINGS SHALL BE LUBRICATED PER MANUFACTURERS SPECIFICATIONS. THREADS ON ALL PIPEAND FITTINGS SHALL BE TAPERED CONFORMING TO ANSI SPECIFICATION B-20.1.
5) REDUCTIONS IN PIPE SIZE SHALL BE DIRECTLY AFTER A TEE WITH THE TEE BEING THE SAME PIPESIZE AS THE INLET LINE TO THE TEE. REDUCTIONS IN PIPE SIZE MAY ALSO BE MADE USING ACONCENTRIC BELL REDUCER AFTER A UNION, PROVIDED THE NEXT CHANGE IN DIRECTION (TEE) ISLOCATED A MINIMUM OF 10 PIPE DIAMETERS DOWNSTREAM OF THE CONCENTRIC BELL REDUCER.CONCENTRIC BELL REDUCERS OR CONCENTRIC REDUCING COUPLINGS SHALL BE USED TO MAKE ALLREDUCTIONS IN PIPE SIZE. REDUCING BUSHINGS, WELD-O-LET AND HOLE-CUT FITTINGS SHALL NOTBE PERMITTED.
6) ALL PIPING SHALL BE INSTALLED IN A PROFESSIONAL MANNER WITH "GOOD COMMERCIALPRACTICE". ALL PIPING AND FITTINGS SHALL BE BLOWN CLEAR , SWABBED WITH A SUITABLESOLVENT (ACETONE, TRICHLORETHANE, ETC.) AND ALL PIPE LENGTH SHALL BE REAMED TO REMOVEALL BURRS PRIOR TO INSTALLATION. ALL PIPING SHALL BE RIGIDLY SUPPORTED BY A COMBINATIONNETWORK COMPRISED OF PIPE HANGERS AND RIGID SUPPORT HANGERS. PIPE HANGERS ARE USEDSUPPORT THE "DEAD LOAD" OF THE PIPING SYSTEM AND SHALL BE SPACED AT INTERVALS NOT TOEXCEED 15 FEET. RIGID PIPE SUPPORTS ARE REQUIRED TO SUPPORT THE "LIVE LOAD" OF THEPIPING SYSTEM DURING THE AGENT DISCHARGE AND IS REQUIRED AT EACH DIRECTIONAL CHANGECL¢¢LbDΣ ¢99 !b5 bh½½[9Φ 
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12 VOLT BATTERY
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