HomeMy WebLinkAboutA010.4DOMESTIC WATER DISTRIBUTION GENERAL REQUIREMENTS:
PIPING SHALL BE SIZED TO PROVIDE A VELOCITY NOT EXCEEDING SIX FEET PER
SECOND (FPS) FOR COLD AND HOT WATER SYSTEMS.
PIPES:
UNDERGROUND:'K" COPPER: BRAISED JOINTS; SLEEVES THRU
CONCRETE. INSULATED IN GRAVEL BACKFILL.
ABOVE SLAB:'L' COPPER TUBING, CPVC PIPING, SCHEDULE 40 WITH
SOLVENT WELDED JOINTS; PEX TUBING WITH BRASS FITTINGS.
VENTING AND DRAINAGE: SCHEDULE 40 PVC WITH SOLVENT WELDED
JOINTS.
INSULATION:
INTERIOR COLD WATER PIPING SHALL BE INSULATED TO PREVENT
CONDENSATION. INTERIOR HOT WATER PIPING SHALL BE INSULATED AS
REQUIRED BY CODE AND PER LATEST ASHRE STANDARD A90.1, TABLE
7.2.3.
WALL HYDRANTS:
PROVIDE FREEZE-PROOF WALL HYDRANTS ON EXTERIOR WALLS A
MAXIMUM OF 150 FEET APART. LOCATE APPROXIMATELY 18" ABOVE
FINISH GRADE. COORDINATE LOCATIONS WITH THE BUILDING OWNER
AND THE PROJECT ARCHITECT.
VALVES:
PROVIDE ACCESSIBLE CHECK VALVES IN THE INDIVIDUAL COLD AND HOT
WATER FIXTURE SUPPLY LINES SERVING MIXING VALVE NPE FAUCETS
OR ASSEMBILES HAVING HOSE CONNECTION OUTLETS THAT ARE NOT
EQUIPPED WITH INTEGRAL CHECK STOPS.
PROVIDE LINE SHUT-OFF VALVES AT LOCATIONS REQUIRED FOR PROPER
OPERATION, SERVICING AND TROUBLESHOOTING OF THE DOMESTIC
WATER DISTRIBUTION SYSTEM AND CONNECTED COMPONENTS.
LOCATIONS SHALL INCLUDE BUT NOT BE LIMITED TO THE FOLLOWING: AT
EACH FIXTURE AND PIECE OF EQUIPMENT; AT EACH BRANCH TAKE-OFF
FROM MAINS; AT THE BASE OF EACH RISER; AT EACH BATTERY OF
FIXTURES; WHERE RECOMMENDED BY EQUIPMENT MANUFACTURERS
AND AT STRATEGIC LOCATIONS TO ALLOW FOR SECTIONAL ISOLATION
WHILE LIMITING DISRUPTION OF SERVICES.
ALL VALVES SHALL BE ACCESSIBLE FOR OPERATION AND SERVICING.
TRAP PRIMING DEVICES THAT RELY UPON LINE PRESSURE DIFFERENTIAL
FOR ACTIVATION ARE NOT ALLOWED.
DOMESTIC HOT WATER SYSTEMS
WATER HEATERS INSTALLED AND UTILIZED FOR FOOD WERVICE AREAS
SHALL COMPLY WITH NATIONAL SANITATION FOUNDATION (NSF)
STANDARD NUMBER 5. HOT WATER SERVING COMMERCIAL
DISHWASHERS AND POT SINKS SHALL BE 140 DEGREES F. ALL OTHER
HOT WATER SHALL BE 110 DEGREES MAXIMUM AT OUTLETS.
CONTAMINATION PROTECTION:
INSTALLATION OF DOMESTIC WATER SYSTEMS SHALL AVOID ALL CRO55
CONNECTIONS AND ELIMINATE THE POSSIBILITY OF WATER
RELEASED FOR CONSTRl1CTI0N N. ON EACH WATER SUPPLY SERVING A FIXTURE WHERE
.INE PROVIDES AN OPPORTUNITY WHERE CROSS
Su6jec��ocompliancewithall regula�ions N COULD OCCUR, PROVIDE A VACUUM BREAKER OR
o4S�a�eantlLocalCodes VENTER.
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BRAQNG GENERALLV AS REQUIRED
IN GENERAL, EVERV 4TH TRU55
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15# FELT
30 VEAR DIMENSIONAL ASPHALT SHINGLES
6" GUTTER AND DOWNS
SEE CIVIL PLANS FOR CONCRETE
DECKS AND SIDEWALKS
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3000#CONCRETEFOOTER
MIN. i6" DIA., 6" THICK
ELECTRICAL SYSTEM GROUNDING REQUIREMENTS:
STRICTLY FOLLOW NEC 250.50 AND 25052.
INSTALL GROUNDING ELECTRODE ACCORDING TO THE FOLLOWING LIST:
WATER PIPE IF 10 FEET OR MORE OF METAL WATER PIPE IS IN CONTACT
WITH THE EARTH.
METAL FRAME OF THE BUILDING OR STRUCTURE WHERE ANY OF THE
FOLLOWING FOUR METHODS ARE USED TO MAKE AN EARTH
CONNECTION:
1. CONCRETE-ENCASED ELECTRODE IN AT LEAST 21NCHES OF
CONCRETE LOCATED WITHIN OR NEAR THE BOTTOM OF A
CONCRETE FOUNDATION OR FOOTING THAT IS IN INDIRECT
CONTACT WITH THE EARTH.
2. GOUND RING ENCIRCLING THE BUILDING OR STRUCTURE IN
DIRECT CONTACT WITH THE EARTH.
3. ROD OR PIPE ELECTRODE NOT LESS THAN 8 FEET W LENGTH.
4. OTHER LOCAL UNDERGROUND SYSTEMS SUCH AS PIPING,
UNDERGROUND TANKS AND UNDERGROUND WELL CASING.
COMMUNICATIONS EQUIPMENT: COMMUNICATIONS EQUIPMENT SHALL BE
GROUNDED TO BUILDING GROUNDING ELECTRODE SIMILAR TO OTHER
ELECTRICAL EQUIPMENT. FOLLOW NEC 800.100 (B).
ALL GROUNDING ELECTRODES THAT ARE PRESENT AT THIS BUILDING
STRUCTURE SHALL BE BONDED TOGETHER TO FORM THE GROUNDING
ELECTRODESYSTEMS.
BOND ALL GROUNDING ELECTRODES THAT ARE PRESENT AT THIS
BUILDING STRUCTURE TOGETHER TO FORM THE GROUNDING
ELECTRODE SYSTEM. GROUNDING ELECTRODES THAT MAY BE PRESENT
AT THIS BUILDING INCW DE GROUNDING ELECTRODE RODS, CONCRETE
ENCASED ELECTRODES SUCH AS BUILDING FOUNDATION REBAR,
UNDERGROUND METAL WATER PIPES, AND METAL FRAME OF THE
BUILDING INCLUDING STRUCTURAL STEEL COLUMNS.
SEE GROUNDING DETAIL THAT IS A PART OF DRAWINGS OF THIS SET.
NOT PERMITTED:
METAL UNDERGROUND GAS PIPING.
ALUMINUM ELECTRODES
MAIN BONDING JUMPER
p2/0 BARE COPPER
GONDUQON PER NEG 25028
CADWELD
GROUNDING BUS
ONE#6TOPHONEBOARD
PER NEC 800.40(D)
4 BARE COPPER GROUNDING
ELECTRODECONDUCTOR
(NEC 250.66)
MINIMUM OF 20'-0" OF 1/2" REGAR
IN BUILDING WALL FOOTING.
NEG 250-52(A)(3)
3/4" DIAMETER x 10 FEET LONG
COPPERCLA�GROUN�RO�S,
MINIMUM 20 FEET APART.
NEW 250.52
VALVE,
METER,
BONDING JUMPER TO
ENCLOSURE. SIZE PER
NEC 250102(C)
COMMUNICATIONS E�UIPMENT
BONDED TO ELECTRICAL SVSTEM
ELECTRODE PER 800.100 (B).
BUILDING $TRUCTURAL
STEEL, NEC 250.52(A)(2)
SEE CIVIL PLANS FOR CONCRETE
DECKS AND SIDEWALKS
COLD WATER SERVICE �
ENTR4NCE (PROVIDE SIMILAR
CONNECTION TO FIRE
PROTECTION WATER SERVICE
ENTRANCE) NEC 250.53(D)
ix 10 BASE
ix TRIM TO COVER
2x BLOCKING (TYPICAL)
TREATED TRIPLE PLV 2x6 POSTS
(TYPICAL ALL)
TYPICAL �HELTER COLUMN DETAIL
NOT TO SCALE
MAIN SERVIGE GROUNDING
0
3
U
SUPPLY SIDE
JUMPER
PIPE CLAMP (NPICAL)
CADWELD
GROUNDING NOTES:
ALL GROUNDING SHALL BE WSTALLED IN
ACCORDANCE W ITH ARTICLE 250.50 OF THE
NATIONAL ELECTRIC CODE.
ALL GROUNDING CABLES SHALL BE 4AWG COPPER
OR LARGER UNLE55 NOTED OTHERWISE.
COMMUNICATION$ GROUNDING $HALL BE IN
ACCORDANCE WITH ARTICLE 800.100 (B)
SHELTER STRUCTURE
2x125VP#25l
STRUCTURE
2 REQUIRED
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FORSTRUCTURAL
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SHELTER STRUCTURE
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onrE: 12/18/19