Pipe Supports design
Transcript of Pipe Supports design
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PIPE SUPPORTS
PRESENTED BY
ENTECH SOLUTIONS
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PIPE SUPPORTS
PURPOSE SUPPORT FLOW CHART
DESIGN CRITERIA
SUPPORT TERMINOLOGY TYPES OF SUPPORT
INPUT DOCUMENTS
OUTPUT DOCUMENTS
INTERFACE
TOOLS FOR SUPPORT
SUPPORT CHECK LIST
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PURPOSE
LOADS
STRESS
PIPE SUPPORTS
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DESIGN CRITERIAThe major criteria governing support hardware selection aresupport function, magnitude of expected load ,and spacelimitations.The following points should also be kept in mind:
1)The design temperature of the piping system used forselection of pipe clamps , u bolts, straps and other steel indirect contact with pipe .The strength of these items declinewith increase in temperature .
2) Piping operation at high temperature or subject tocondensation on the outer surface will usually beinsulated.The pipe support hardware must be designed toaccommodate the insulation.
3)The piping attachment and supporting structure in contactwith each other must be of compatible material in order toreduce galvanic action.
4)The inspection of the hardware of supports to be done atstart-up and also periodic inspection is required.
PIPE SUPPORTS
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SUPPORT TERMINOLOGY
Supports (or restraints ) are usually classified
according to both, direction and function.The major
direction of restraints are those conforming to the
three local axes of the pipe .
Vertical : Gravity, Self Weight
Axial : Parallel to the pipe run (Longitudinal axis)
Lateral : Perpendicular to both the vertical and theaxial axes. ( Transverse axis)
PIPE SUPPORTS
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Z (+VE)
ICON FOR SUPPORT TERMINOLOGY
X (+VE)
Y (+VE)
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ANCHOR
ANCHOR
GUIDE GUIDE
EXPANSION LOOP
NORTH
REST
ALL ROUND GUIDE
REST & N/S GUIDE
REST
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STRUCTURALSUPPORTS
INDIVIDUALSUPPORTS
RIGID RESILIENT
VESSELSUPPORTS
CLIPS 12LUG BRACKET TRUNION 12
CANTILEVER
L-TYPE 1 2
GOAL POST
TRAPEZE
REST SPRINGS
BELLOWS
SWAY BRACES
SNUBBERSGUIDES12
ANCHORS
PIPE SUPPORTS
PIPE SUPPORTS
HANGER
PIPE SUPPORTS
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CODES & STANDARDS
LINE LIST & PIPING SPEC.
PIPING PLANS
ISOMETRICS
CIVIL DRAWINGS
ELECT / INSTR. / MECH INFO
INPUT REQUIREMENTS FORSUPPORT DEPT.
PIPE SUPPORTS
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SUPPORT REGISTER
SUPPORT MARK UP
FABRICATION DRAWING
CLIP SUMMARY
CLIENT REQUIREMENTS
OUTPUT FROM SUPPORTDEPTARTMENT
SUPPORT SPECIFICATIONS
PIPE SUPPORTS
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SUPPORT
GROUP
INTERFACE WITH OTHER DEPARTMENTS
CONSTRUCTIONVESSELCIVIL
EXT. AGENCY
ELECT/INST/MECH
STRUCTURAL
DRAWINGS
LOADING&LOCATION
DATASHEETS
NOZZLEORIENTATION
SITE QUERIES
LOCATON FOR CABLETRAY,JUNCTIONBOXES,PUMP DATA
DATASHEETSPSS/CSI SKECTHES
MARKUPS ON GAD.
PIPE SUPPORTS
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TOOLS FOR SUPPORTS
3 D TOOLS:-
PDMS
PDS
CAD WORKS
2 D TOOLS:-
AUTOCAD
MICROSTATION
MS-EXCEL
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PIPE SUPPORT DESIGN CHECKLIST
1) PROPER CODES AND DESIGN CRITERIA SHOULD BE USED.
2) DETERMINATION AND SPECIFICATION OF DESIGN LOADS.
3) INCLUSION OF FRICTIONAL LOAD IN RESTRAINT DESIGN.
4) CONSIDERATION OF THERMAL MOVEMENTS & ROTATION OF
PIPES.
5) CORRECT USE OF FORMULAE.
6) INDICATION OF CALCULATION AND MARKUP NOS.
7) CORRECT SELECTION OF ALL ENGINEERING HARDWARE
FOR LOAD & ITS APPLICATION.
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PIPE SUPPORT DESIGN CHECKLIST
8) PREPARATION OF SKETCHES FOR NON-STANDARD ITEMS.
9) MAINTENANCE OF PROPER EDGE DISTANCE FOR HOLES &
BASE PLATES & STRUCTURAL STEEL.
10) PROPER LOGGING OF SUPPORT ON ISOMETRICS IN THE
SUPPORT REGISTER.
11) MARKUP OF FEASIBLE SUPPORTS ON THE ISOMETRICS.
12) EVERY ISOMETRIC TO BE SIGNED,DATED & CHECKED BY
THE DESIGNER.
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STRESS GENERATED TO BEWITHIN LIMITS
DEFLECTIONS TO BE
MAINTAINED WITHIN LIMITS
CONTROLTHE NATURAL FREQUENCY TOAVOID UNDESIRED VIBRATIONS.
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LOADS
STATIC DYNAMIC
HARMONIC IMPULSERANDOM
WIND LOAD
EARTH QUAKE
EQUIPMENT
VIBRATION
ACCOUSTIC
VIBRATION
PULSATION
DEAD WEIGHT
THERMAL WEIGHT
RELIEF
VALVE
OUTLET
FLUID HAMMER
SLUG FLOW
PIPE SUPPORTS
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THANK YOU