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ELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS INSTALLATIONS GENERIC CONSTRUCTION ACTIVITIES V.C.AGRAWAL

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Page 1: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

ELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONSINSTALLATIONS

GENERIC CONSTRUCTION ACTIVITIES

‐V.C.AGRAWAL

Page 2: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

CONTENTSCONTENTSELECTRICALEQUIPMENT  AND PANEL ERECTION CABLE CARRIER SYSTEMSCABLINGEARTHINGEARTHINGFIRE SEALING

INSTRUMENTATIONINSTRUMENTATION

COTROL ROOM PANEL ERECTIONSUPPORTS FOR INSTRUMENTATION TUBESWIRE TERMINATIONTUBINGRECOMMENDED PRACTICESRECOMMENDED PRACTICES

Page 3: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

GAS INSULATED 220 KV AND 400 KV SWITCH YARD  BUILDINGS 

S/Y CONTROL BUILDING AN OVERALL VIEW

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220 KV GAS INSULATED SWITCHYARD ‐AN ADVANCEMENT BY MODULAR CONSTRUCTIONADVANCEMENT BY MODULAR CONSTRUCTION 

Page 5: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

400 KV  GAS INSULATED SWITCHYARD‐ALL WEATHER PROTECTION AND MODULAR CONSTRUCTION

Page 6: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

AUTOMATED HOT LINE WASHING 

CONVENTIONAL‐MANUAL WASHING 

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CONSTRUCTION OPENING

STATION UNIT TRANSFORMER  WITH SEGREGATED BUS DUCT

SWITCH GEAR   INSTALLATION‐ ANINSTALLATION‐ AN ADVANCEMENT BY  INSTALLATION IN MODULES IN CLEAN ROOM CONDITION

Page 8: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

GENERATOR TRANSFORMER WITH  ISOLATED PHASE BUS DUCT & FIRE WALL

Page 9: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

CLOSE  VIEW  OF  FIRE WALL IN TRANSFORMER AREA. EQUIPMENT POSITIONING BEHIND THE TURBINE BUILDING AWAY FROM THE SEA TO AVOID DIRECT SALINE ATTACK 

Page 10: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

TRANSFORMER WITH  AUTOMATIC SPRINKLER SYSTEM

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4x2720 KWe DGs- SKID MOUNTED EQUIPMENT

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EMERGENCY POWER BATTERY SETS (2250 AMP‐HRS) ON SKID MOUNTED SEISMICALLY QUALIFIED SUPPORTS 

Page 13: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

6.6 KV  SWITCH GEAR PANEL ERECTION IN MODULES

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415 V  SWITCH GEAR PANEL ERECTION IN MODULES

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THE CABLE TRAY SUPPORTS WITH PRE‐DEFINED CANTILEVER ARRANGEMENT.  INSTALLATION  IN MODULES  MINIMIZE TIME AND EFFORTS  DRASTICALLY  AND  

INSTALLED  IN PARALLEL  TO THE  CIVIL WORK. 

Page 16: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

CABLE CARRIER SYSTEM

Page 17: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

POSITIVE CABLE  SEALING WITH GLANDING AND HEAT SHRINKABLE SLEEVESAND HEAT SHRINKABLE SLEEVES

Page 18: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

CAD WELDING FOR SPEEDIER EARTHING CONDUCTOR INSTALLATION 

Page 19: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

A TYPICAL VIEW OF EARTHING

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A TYPICAL EARTHING CONNECTION FOR EQUIPMENT

Page 21: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

FIRE ANDFIRE AND RADIATION SEALINGS AT FLOOR SLABS

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FIRE AND RADIATION SEALING AT WALLSWALLS

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MOSAIC GRID AND MOSAIC CONTROL TILE PANELS

Page 24: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

TWO COLOUR CODE  WIRING SYSTEM USED FOR EASE OF SEGREGATION AND IDENTIFICATION WITH  EACH WIRE IDENTIFIED WITH FIVE DIGIT CODE

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ADVANCEMENT IN HARDWARE & SOFTWARE IN SAFETY AND NON SAFETY RELATED  CONTROL PANELS 

PRE‐FABRICATED MODULES

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TUBING WORKSTUBING WORKS

Page 27: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

PRE‐FABRICATED  TUBING MODULES

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A LARGE PRE‐FABRICATED  LOCAL CONTROL PANEL FOR STEAM SAMPLING

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PRE‐DEFINED CORRIDOOR SYSTEM FOR TUBING FOR ZERO INTERFERENCE 

LEFT IN SHUTTERS

Page 30: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

USE OF PREFABRICATED PERFORATED CHANNEL TYPE FRAMES  FOR INSTALLATION OF TUBING FOR INSTRUMENTATION AND CONTROL SYSTEMSAND CONTROL SYSTEMS IMPROVES QUALITY AND REDUCES ERECTION TIME

Page 31: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

INSTRUMENT  TUBES INSTALLATION IN MODULES  REDUCE THE CONSTRUCTION TIME DRASTICALLYREDUCE THE  CONSTRUCTION TIME DRASTICALLY.  

Page 32: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

Conventional Method• Each connection is threaded – requires numerous fittings – system not flexible or easynumerous fittings – system not flexible or easy to install and service connections not smooth inside – pockets obstruct flowinside  pockets obstruct flow.

Advanced Method• Bendable tubing needs fewer fittings – no

threading required system light andthreading required – system light and compact – easy to install and service – no internal pockets or obstructions to free flow.

Page 33: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

Major Advantage of Tubing over Piping System

• Improved BendingImproved Bending• Higher Strength

St li d Fl• Streamlined Flow• Minimum Pressure Drop• Economy of Space & Weight • Higher FlexibilityHigher Flexibility• Reduction in no. of Fittings

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Major Advantage of Tubing over Piping System

• Improved Quality of Joints• Better Aesthetics• Better Aesthetics• Cleaner Fabrication• Easier Assembly and Disassembly• Improved Mean Maintenance Time   

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Type of Joints

• Butt Welds

Type of Joints

Butt Welds

• Socket Welds

h d d i• Threaded Joints

• Flared, Flaredless & Compression Joints.

Page 36: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

Best Practices for Impulse Tubing llInstallation

• Sufficient separation required between redundant p qinstrument sensing lines

• Recommended minimum separation between d d t i li h ld b t l t 450redundant sensing lines should be at least 450 mm. 

• Instrument sensing lines should run in a covered area/corridorarea/corridor

• Routing of instrument sensing lines should ensure that the lines are not subjected to vibrations, abnormal heat or stress

• Care should be taken to ensure that the tubing/piping does not rest on or against any abrasive surfacedoes not rest on or against any abrasive surface.

Page 37: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

Best Practices for Impulse Tubing llInstallation

• Instrument sensing lines  should be kept as short st u e t se s g es s ou d be ept as s o tas possible. 

• Codal recommendations for instrument sensing glines, electrical transmission and pneumatic transmission lines shall be adopted. 

• Instrument sensing lines should avoid hot environments or potential fire risk areaS i li h ld b l t d ith ffi i t• Sensing lines should be located with sufficient clearance to permit sagging. 

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Best Practices for Impulse Tubing llInstallation• Impulse lines especially in case of ∆P/flow measurements should 

be kept  as close as possible. 

• There should be provision for thermal expansion and contraction

• The number of joints should be kept to a minimum

• Sensing lines should be adequately supported along its entire length

• Supports brackets clips or hangers shall not be fastened to theSupports, brackets, clips or hangers shall not be fastened to the instrument sensing lines

• Sensing lines should continuously slope downwards towards the sensing instruments in case of liquid and upwards in case of gases

• Bends are always preferred over tube fittings

• Sharp bends should be avoided• Sharp bends should be avoided. 

Page 39: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

Best Practices for Impulse Tubing llInstallation

• Minimum bending radius should be 3DMinimum bending radius should be 3D

• Sensing lines of differential temperature should be avoided to run togethershould be avoided to run together

• Each line and associated valves should be l id ifi dproperly identified

• Sensing lines should be well protected while penetrating the areas for radiation sealing , fire sealing etc.

Page 40: ELECTRICAL, INSTRUMENTATION CONTROL INSTALLATIONS · PDF fileELECTRICAL, INSTRUMENTATION & CONTROL INSTALLATIONS ... EQUIPMENT AND PANEL ERECTION ... • Tube cleaning and handling

Best Practices for Impulse Tubing llInstallation

• Codal requirements w r t thermal expansionCodal requirements  w.r.t. thermal expansion, seismic motions , vibrations and design events or accidents shall be considered while finalizing glayout

• Flexible hose may be used in sensing lines toFlexible hose may be used in sensing lines to accommodate the process thermal requirements, seismic and vibration movements

• Tube cleaning and handling procedure should be finalized before start of erection work

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TYPES OF TUBE FITTINGS

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Table below

Table

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DOUBLE COMPRESSION TUBE FITTING

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ACCURATE MEASUREMENT COUPLED WITH EXACTCOUPLED WITH EXACT ANGLES  RESULTS  IN A TUBE  LINE THAT WILL FIT AT POINT A‐D 

SS ADVANCED TUBE FITTINGSSS ADVANCED TUBE FITTINGS PRIOR TO MAKE UP

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Standard enclosed orbital weld heads

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