The document is about a webinar on pipe support field inspection, installation, and maintenance presented by Jerry Godinaer. It provides information on inspecting, installing, and maintaining different types of pipe supports including variable and constant spring hangers, restraint devices, pipe shoes, slide plates, and hardware components. It discusses guidelines for on-site surveys, what to inspect for existing supports, and criteria for adjusting or replacing supports if needed.
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Pipe Support Field Inspection, Installation & Maintenance
1. Piping Technology & Products, Inc.
presents… Pipe Support Field Inspection,
Installation & Maintenance Webinar
Yo ur Presenter is…
Godinaer
Jerry rt Design
Le ad Pipe Suppo
Attention Attendees: to listen to the audio portion, check that your speakers or headset are on and
turned up OR dial the number and use the access code4, 2011
August listed in your confirmation email.
Attention P.E.’s: this Webinar is worth 1 PDH credit for TX P.E.’s (send request to enews@pipingtech.com)
Piping Technology & Products, Inc. • http://www.pipingtech.com
2. PT&P Structure
PIPING TECHNOLOGY & PRODUCTS, INC.
• Engineered Pipe Supports
• Variables, Constants, Big-tons
• Vibration Control Devices – Snubbers, Sway Struts
• Support Assembly Components – Clamps, misc.
hardware
• Pre-insulated Pipe Supports – Cryogenic/cold & Hot
Applications
• Fabricated Pipe Shoes, Guides & Anchors
• Slide Bearing Plates
• Anchor Bolts, Embed Plates ISO 9001:2008 Certified
ICBO Certified, Member of MSS, SPED, APFA
U.S. Bellows, INC. SWECO FAB, INC. Pipe Shields, INC. Fronek A/D E.
• Metallic Expansion • Pressure Vessels • Insulated Pipe Support • Hydraulic Snubbers
Joints
• Pig Launchers & • Commercial & Light Short strut
• Thin-wall, Thick-wall Receivers industrial
Adjustable strut
• Fabric Expansion Joints • Spectacle/Line Blinds • Heavy Industrial -
based on Mounted, • Mechanical Snubbers
• Rectangular Expansion • Instrument Supports Anchors
Joints • DynA/Damp
• ASME/Misc. • Pipe Riser Clamps Compensating Strut
• Slip-type Fabrication
Member of EJMA ASME U-Stamp ASME Nuclear
Qualified
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
3. On-Site Survey & Inspection
Stress Analysis and Design
Pipe Support Testing
K In-house or On-site
Installation
K 10+ years installation
experience
K 35+ years manufacturing
experience
Oversight Field Service Management Team
K Qualified site management
personnel
K Technical assistance
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
4. On-Site Survey & Inspection
General Inspection
Includes Review of:
K Piping irregularities
K Apparent damage
K Interferences
K Condition of support
components
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
5. On-Site Survey & Inspection
On-Site Survey & Inspection
K New Installation
Appropriate Components?
Testing Completed?
All Stops/Blocks Removed
or Disengaged?
Set to Correct Cold
Position?
K Existing Supports
Still Functional?
Condition of Components?
Load/Position Setting
Correct?
Adjust, Repair or Replace?
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
6. On-Site Survey & Inspection
Installation of Variable Spring
Designed to support a specified load:
K weight of the pipe, commodity,
flanges, valves, refractory &
insulation through the install to
operating thermal deflection cycle
Coiled springs are used to support
the load and allow movement
Resistance of the coil to a load
changes during compression, which
is why these devices are called
“variables”
Many different designs for variable
supports and a particular
nomenclature used to identify them
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
7. On-Site Survey & Inspection
Installation of Variable Spring
Securely attach spring housing to the existing structural or
foundation member
Attach hanger rod where applicable
Attach all related assembly hardware
Perform any hydro-testing as applicable
Remove travel stops
Adjust the load indicator to desired setting (cold/hot load)
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
8. On-Site Survey & Inspection
Installation of Variable Spring
Spring Assembly Prior Spring Assembly with
to Hydro-testing Travel Stops Removed
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
9. On-Site Survey & Inspection
Installation of Constant Spring
Horizontal Constants Vertical Constants
Spring can aligns horizontally Spring can aligns vertically
Permits movements vertically Permits movements vertically
Upthrust Constants
Permits vertical movement only
Spring can aligns vertically or horizontally
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
10. On-Site Survey & Inspection
Installation of Constant Spring
Used when large amounts of thermal deflections are involved
(2” or more) and around sensitive rotating equipment where a
load variation could be harmful.
U-Type Constant with B-Type Horizontal Constant
Travel Stop Rods Unlocked Aligned to Cold Position
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
11. On-Site Survey & Inspection
Installation of Restraint Device (Sway Brace)
Restraint Devices
K Oppose Shock loadings
K Brace pipe against sway
K Guide or Restrain movement
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
12. On-Site Survey & Inspection
Installation of Restraint Device (Sway Brace)
Sway Brace
K recommended to reduce high frequency movement
K guiding or restraining the movement of pipe resulting from
thermal expansion
K bracing a pipe line against sway
K can be utilized in tension or
compression
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
13. On-Site Survey & Inspection
Installation of Restraint Device (Sway Strut)
Sway Struts
K Restrains movement in one direction while allowing
movement in another direction
K Effective under compressive or tensile forces
K Allows for field adjustment
3-Bolt Pipe Clamp
and Sway Brace
Assembly
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
14. On-Site Survey & Inspection
Installation of Restraint Device (Hydraulic Snubber)
Hydraulic Snubber
K Designed to allow thermal movement, but restrain impulsive
or cyclic disturbance
K Good for earthquakes, wind and continuous thrust due to
safety valve "blow-off" or pipe rupture
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
15. On-Site Survey & Inspection
Installation of Restraint Device (Mechanical Snubber)
Mechanical Snubber
K Designed to prevent shock forces
K Limits damaging motions by becoming (locking)
a load carrying member
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
16. On-Site Survey & Inspection
Installation of Pipe Shoes
Basic Pipe Shoe
K Designed to support vertical
loads
K Clamp Type
used when welding to pipe
is not allowed
Clamp Type
K Welded Type
used when excessive axial
force is present
K Guided Type and Sliding Type
Insulated Type
K Designed to both insulate and
support the pipe
Cold Shoe for LNG Plant
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
17. On-Site Survey & Inspection
Installation of Slide Plates
Types of Slide Plates - Offers a low coefficient of friction for
sliding surfaces:
K PTFE, 25% Glass Filled
Designed to allow objects to move (slide) freely along the
supporting surface ambient temperature.
K Graphite Slides
Designed to allow objects to move (slide) freely along the
supporting surface at higher temperatures.
PTFE, 25% Glass Filled Graphite
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
18. On-Site Survey & Inspection
Installation of Slide Plates
K PTFE, 25% Glass Filled and Stainless Steel
Designed to allow objects to move (slide)
freely along the supporting surface
ambient temperature while resisting
oxidation.
K Bronzphite ®
For high temp and heavy loads
K Marinite ®
For extremely high temperatures
Bronzphite ®
Marinite ®
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
19. On-Site Survey & Inspection
Installation of Hardware Components
Hardware: miscellaneous components required to
complete a specified assembly
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
20. On-Site Survey & Inspection
Installation of Hardware Components To allow adjustment of height or elevation:
Adjustable Rings Adjustable Clevis Double Bolt
Pipe Clamp
Trapeze Hanger Job-fabricated Pipe Hanger
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
21. On-Site Survey & Inspection
Existing Supports
Guidelines for On-Site Survey & Inspection
Inspections can be performed
K During operation
K During a shut-down
K Or both
Frequency of inspections
Provide accessibility
Maintain results and develop a follow-up inspection schedule
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
22. On-Site Survey & Inspection
Existing Supports - Variables
Visually inspect each spring hanger:
K Search for signs of visual cracks,
fractures, and corrosion of the spring
casing and the following:
(1) beam attachment
(2) pin
(3) spring hanger attachment
(4) pipe clamp attachment
(5) weldless eye nut
(6) threaded rod
(9) spring coil
K Check (7) turnbuckle (if present), lock nuts
(8) and other threaded items to ensure
they are secured and fastened
K Compare the position of the (10) coil with
the hot/cold load indicator and operating
range of the spring
K Check the mobility of the (11) load column
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
23. On-Site Survey & Inspection
Existing Supports – Variables - Remediation
Load Verification
K Read load position
K Determine load is acceptable/unacceptable
K Possible causes of unacceptability
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
24. On-Site Survey & Inspection
Existing Supports – Variables - Remediation
Adjustment Criteria
K After installation and plant startup, the spring load indicator
should be at the hot position.
K If not, the hanger should be adjusted to the hot/operating
load position
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
25. On-Site Survey & Inspection
Existing Supports – Variables - Replacement
Replacement Criteria
K Signs of Excessive corrosion or fatigue
K Rust Damage of entire unit
K Modifications to operating conditions
Excessively corroded spring supports
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
26. On-Site Survey & Inspection
Existing Supports - Constants
Visually inspect each Constant hanger:
K Search for signs of visual cracks, fractures, and
corrosion of the spring casing and the following:
(1) beam attachment
(2) pin
(3) constant hanger attachment
(4) pipe clamp attachment
(5) weldless eye nut
(6) threaded rod
Before and After Picture
(9) spring coil of Constant Load Support
(10) Check to see if Travel Stops are removed that Was Resized
K Check (7) turnbuckle (if present), lock nuts (8) and
other threaded items to ensure they are secured
and fastened
K Compare the position of the (10) coil with the
hot/cold load indicator and operating range of the
spring
K Check the mobility of the (11) load column
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
27. On-Site Survey & Inspection
Existing Supports – Constants - Remediation
Adjustment Criteria
K After installation and plant startup, the spring load indicator
should be at the hot position.
K If not, the hanger should be adjusted to the hot/operating
load position
K Consider the position of rod (swing angle also)
K Consider adjustment of load (+/- 10%)
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
28. On-Site Survey & Inspection
Existing Supports – Constants - Remediation
Bearing failure causing the
upthrust constant to function
incorrectly
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
29. On-Site Survey & Inspection
Existing Supports – Constants - Replacement
Replacement Criteria:
Signs of excessive corrosion or fatigue
Rust damage of entire unit
Modifications to operating conditions
Consider internal components (cam mechanisms, bearings, etc.)
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
30. On-Site Survey & Inspection
Existing Supports – Restraint Devices
Visually inspect each sway brace/strut/snubber:
K End bracket
K Pipe clamp attachment pins
K Check for tight snug fit
K Mark actual hot/cold
deflections (snubbers)
K Check for leakages
(hydraulic snubbers)
Look at hardware, and
site glass
If there is no oil visible in
the site glass, add oil
Contact manufacturer
K Check for lockups (mechanical snubbers)
K Turnbuckle/locknuts
K Threaded rod
K Record findings
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
32. On-Site Survey & Inspection
Existing Supports – Restraint Devices - Replacement
Replacement Criteria
K Visible signs of leakage
including seal damage
K Obvious signs of breakage
K Excessive corrosion or rust
damage
K Modifications to design
conditions
Adjustment Criteria
K Only the C-C dimension
(available length) can be
adjusted
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
33. On-Site Survey & Inspection
Existing Supports – Pipe Shoes
Visually inspect each pipe shoe:
K Check for corrosion
K Check for structural integrity
K Check for slippage
K Check for insulation damage
(pre-insulated supports)
K Check for insulating properties Welded Type Pipe Shoes
(pre-insulated supports)
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
34. On-Site Survey & Inspection
Existing Supports – Pipe Shoes - Remediation
Adjustment
K Align components
K Secure any lock
nuts, cotter pins, etc.
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
36. On-Site Survey & Inspection
Existing Supports – Slide Plates
Visually inspect
each slide plate:
K Corrosion
K Bonding
K Damage
K Cleanliness
K Welds
K Orientation
K Gaps
K Missing parts
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
37. On-Site Survey & Inspection
Existing Supports – Slide Plates - Remediation
Slide Plates and Shafts must be Installed
Installation of Slide Plates in the Field
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
38. On-Site Survey & Inspection
Existing Supports – Slide Plates - Replacement
Replacement Criteria
K Excessive damage to
sliding surfaces
K Disbonding of sliding
material Slide Plate Not Attached
K Improper sizing of slide
plates
K Improper application
(regarding temp./load)
Improper Application
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
39. On-Site Survey & Inspection
Existing Supports – Hardware
Inspection Criteria
Check for damaged support steel
Check for damaged hanger clamps
Bent hanger rods, hardware, etc.
Defective hanger hardware such as:
disengaged load pins
loose locknuts
missing retaining rings
cracked or inadequate welds
No Lock Nut
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
40. On-Site Survey & Inspection
Existing Supports – Hardware - Remediation
Adjustment Criteria
K Tighten or loosen rigid rod
supports
K Align components
K Secure any lock nuts, cotter
pins, etc.
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
41. On-Site Survey & Inspection
Existing Supports – Hardware - Replacement
Replacement Criteria
K Bent or broken components
K Excessive corrosion or rust damage
K Improperly sized components
Clamp and Pipe Heavily Corroded
Clevis Hanger
Needs Replaced
Bent Hanger
Rod
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
42. PT&P’s Field Services
PT&P has provided pipe supports for many major construction projects throughout the
world. Our Field Service Division has participated in site surveys, support inspection,
support installation and expansion joint inspection and installation..
We have worked in the following countries:
K Trinidad and Tobago: Bechtel, Wood Group, Atlantic LNG
K Kuwait: Kuwait Power, Equate
K Canada: PetroCanada, Agrium, Hitachi Power, Alstom, Canaport LNG, Thorold Power
K Dubai: Dubai Natural Gas
K Italy: Alstom Engineering
K Malaysia: Petronas
K Mexico: Intergen, Vallaodolid, Condisa, Pemex, Energia Campeche
K Singapore: Sembcorp, Exxon
K United Kingdom: Murco
K United States: Lyondell Houston Refinery, Shell Deer Park, Bechtel Sabine Pass, Aker
Kvaerner Cameron LNG, Lyondell Equistar, Pasadena Refining, Calpine Corporation,
Chevron Phillips, Huntsman Chemical, Dow, BP, Rhodia, Entergy, Exxon, Valero
Refining, Conoco Phillips, Entergy, Black & Veatch West County, Alstom Power, Citgo,
Duke Energy, Marathon, Shaw Cleco, Technip, Constellation Energy
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
43. PT&P’s Emergency Service
PT&P is available on a 24x7 basis to fulfill any
emergency or quick-turn requirements.
With a large inventory of stock components for pipe
supports and expansion joints, PT&P can quickly
assemble and ship products for any situation.
For a quick response, please complete the
emergency service request form at
www.pipingtech.com/emergency.
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030
44. Thank You For Attending…
Pipe Support Field Inspection, Installation
& Maintenance Webinar
Online Quote: www.pipingtech.com/quote
Online Catalog: www.pipingtech.com/catalog
Technical Webinars: www.pipingtech.com/webinar
Blog: www.pipesupportsblog.com
Please send any additional questions or inquiries to
info@pipingtech.com
Piping Technology & Products, Inc. • http://www.pipingtech.com
www.pipingtech.com email: info@pipingtech.com ph. 713-731-0030