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International Seismic Application Technology
Engineered Seismic Bracing Systems
and Services
ASCE 7-10 SEISMIC DESIGN REQU...
Why Is Seismic Bracing Required for
MEP Systems
Life Safety Functionality
2
EXAMPLE:
1994 NORTHRIDGE EARTHQUAKE
80-90% of the damage was to NON-structural elements
10 Essential Hospitals temporarily...
PERFORMANCE OF PUBLIC WATER
SUPPLY SYSTEMS IN HISTORIC
EARTHQUAKES
4
SEISMIC BRACING IS A CODE
REQUIREMENT
5
6
AREAS REQUIRING SEISMIC BRACING
Seismic Ground Acceleration Code
Changes “G-Force”
7
SEISMIC DESIGN REQUIREMENTS FOR
NONSTRUCTURAL COMPONENTS
CHAPTER 13
8
BRACING/SUPPORTS FOR MEP SYSTEMS
MUST BE ENGINEERED BY A PE AND
REVIEWED AND APPROVED BY THE AHJ
9
IMPORTANT GENERAL TERMS
10
Component Importance Factor (Ip)
11
Ip =1.5 EXAMPLES
 Examples of life-safety :
• Fire protection system
• Smoke exhaust system
• Power to life-safety/hazard...
SEISMIC DEMANDS ON
NONSTRUCTURAL COMPONENTS
 13.3.1 – SEISMIC DESIGN FORCE
UPPER LIMIT
LOWER LIMIT
With Modal AnalysisWit...
SEISMIC DEMANDS ON
NONSTRUCTURAL COMPONENTS
FLOOR MOUNTED per TABLE 13.6-1
High Deformability Component
ap = 1.0 and Rp = ...
SEISMIC DEMANDS ON
NONSTRUCTURAL COMPONENTS
FLOOR MOUNTED per TABLE 13.6-1
15
Spring Isolated Component
ap = 2.5 and Rp = ...
SEISMIC DEMANDS ON
NONSTRUCTURAL COMPONENTS
DISTRIBUTED per TABLE 13.6-1
Pipes welded or brazed
ap = 2.5 and Rp = 12.0 (ap...
SEISMIC DEMANDS ON
NONSTRUCTURAL COMPONENTS
DISTRIBUTED
Pipes threaded, coupled, etc
Ap = 2.5 and Rp = 6.0 (ap/Rp = 0.42)
...
SEISMIC DEMANDS ON
NONSTRUCTURAL COMPONENTS
DISTRIBUTED
Low Deformable Material (Glass or Cast Iron
ap = 2.5, Rp = 3.0 ap/...
WHAT REQUIRES BRACING?
PER 13.1.4:
 SUSPENDED/WALL MOUNTED COMPONENTS OVER 20LBS OR 5PLF
 FLOOR MOUNTED EQUIPMENT OVER 4...
WHAT REQUIRES BRACING….
ELECTRICAL SYSTEMS (RACEWAYS):
 SEISMIC DESIGN CAT. C,D,E,F:
Ip=1.5– Conduit > 2.5” dia. (SDC C)
...
WHAT REQUIRES BRACING….
ELECTRICAL SYSTEMS cont.:
 Light Fixtures, Lighted Signs, Ceiling Fans
• Vertical supports shall ...
WHAT REQUIRES BRACING….
HVAC SYSTEMS:
 SEISMIC DESIGN CATEGORY C,D,E,F:
Ip=1.0 or 1.5 – Duct ≥ 6 Sq. Ft. or weigh > 17 lb...
WHAT REQUIRES BRACING….
PIPING SYSTEMS:
 SEISMIC DESIGN CAT. C:
Ip=1.0 – No bracing required for single hung pipe
Ip=1.5 ...
WHAT REQUIRES BRACING….
PIPING SYSTEMS cont.:
 Item 3: Piping has an Rp < 4.5 per Table 13.6-1, piping
systems and attach...
GENERAL EXCEPTIONS TO THE RULES
12” RULE:
 Must be ALL hangers on a run
 Provisions are made for the piping to accommoda...
GENERAL EXCEPTIONS TO THE RULES
12” RULE cont.:
 ELECTRICAL CONDUITS AND MECHANICAL DUCTS:
• If rods are used as hangers,...
DAMAGING IMPACT &
CONSEQUENTIAL DAMAGE
13.2.3:
27
• Unbraced component shall not
damage an essential component.
Hazardous
...
TYPICAL BRACING RULES - PIPING
 Transverse Max Spacing : Steel/Cu = 40 ft ; Cast Iron = 20 ft
 Longitudinal Max Spacing ...
ASCE REQUIRES :
HOLISTIC SEISMIC DESIGN
29
SUSPENDED PIPING BRACING
METHODS - TRANSVERSE
30
SUSPENDED PIPING BRACING
METHODS - LONGITUDINAL
31
SUSPENDED PIPING BRACING
METHODS – CABLE TRANS & LONG
32
SEISMIC BRACING- WHAT NOT TO DO!
33
SEISMIC BRACING- WHAT NOT TO DO!
34
ROOF TOP SUPPORTS
 Wind forces shall be designed per section
29.5
 Wind provisions for components and
cladding is now in...
ROOF TOP SUPPORTS
 Detailing for wind design shall
be per Ch 13 (13.1.6 c)
 Code compliance requires
“Positive Attachmen...
ROOF TOP EQUIPMENT
 ASCE 29.5 and 29.5.1
• Wind loads shall be increased by 1.9 if your roof top equipment or
structure i...
ROOF SCREENS DO NOT REDUCE
WIND LOADS ON STRUCTURES
 Definition of mechanical screens per 2010 CBC
38
FEMA 549 ATTACHMENT...
INTERSTORY DRIFT
 Caused by earthquake forces
 Deflection is typically 1% of
story height
 MEP systems physically attac...
INTERSTORY DRIFT AFFECTS ON
PIPING DROPS INTO EQUIPMENT
40
VIDEO OF PIPE RUPTURE AT
CONNECTION TO EQUIPMENT - SHAKE
TABLE TEST
Welded/Brazed Connections Outperformed Threaded
Watch ...
FORCES ON A PIPE DROPPING INTO A
FLOOR MOUNTED EQUIPMENT
42
FORCES ON A PIPE DROPPING INTO A
FLOOR MOUNTED EQUIPMENT
43
DEFORMED FLEX
FORCES ON A PIPE DROPPING INTO A
FLOOR MOUNTED EQUIPMENT
44
DEFORMED FLEX
TYPICAL FLEX CUTSHEETS
45
SEISMIC RELATIVE DISPLACEMENT
Components will respond differently in an
earthquake. Provide adequate flexibility.
46
SEISMIC BUILDING JOINTS
47
SEISMIC ON THERMALLY ACTIVE
PIPING
 Avoid over bracing hot water and steam piping
48
THERMAL PIPING RISER DESIGN
Guide
Anchor
Spring Mount
Guide
Guide
Spring Mount
Anchor
Spring Mount
49
PIPING INSULATION VS LOAD PATH
TRADITIONAL METHOD
50
PIPING INSULATION VS LOAD PATH
CODE COMPLIANT METHOD
51
Pre-Insulated Pipe Support Integral Attachment Support
Example: 10” Pipe with 2” Insulation – Hot Water Service, 200°F
No ...
PRE-INSULATED ANCHOR
ENGINEERED DATA SHEET
53
BRACING/SUPPORTS FOR MEP SYSTEMS
MUST BE ENGINEERED BY A PE AND
REVIEWED AND APPROVED BY THE AHJ
54
Special Seismic Certification
13.2.2:
 Manufacturer Submit Cert of Compliance for Approval to the
Registered Design Profe...
IBC REQUIRES SPECIAL INSPECTION
For Ip=1.5 Systems
56
IBC REQUIRES SPECIAL INSPECTION For
Ip=1.5 (Designated Seismic Systems)
57
• Inspector needs to check
• Label of equipment...
IBC 2012 REQUIRES SPECIAL INSPECTION
MEP COMPONENTS
58
SEISMIC BRACING IS PART OF INSTALLATION
THEREFORE NEEDS TO BE INSPE...
Mechanical Engineer of Record Duties
 Define Ip for Each Component
 Determine List of Special Seismic Certifications
 R...
Contractor Statement of Responsibility
60
ISAT’S APPROACH TO COMPLY WITH
CODE
61
ISAT OPA-0485-07
 Only large MEP Design-Vendor with 2007 Specific
OPA!!
62
SEISMIC BRACING SUBMITTAL DRAWINGS
Each Seismic Location is Detailed on the Plans and
Denoted with a Location Specific I.D...
IN-HOUSE CUSTOM ENGINEERING
 California Licensed PE’s, SE’s, ME’s
 Custom Details and Calculations
 ELECTRONIC “WET STA...
Seismic Bracing Inserted and
Coordinated Within The Model
65
Custom Bracing Installation Solutions
66
Point Load Maps
67
Deck Pour/Insert Coordination
GPS Total Station
68
Example: Cable Bracing Kit
Kits Labeled with:
-Contractor Name
-Project Name
-Drawing #
-Building
Area/Floor
Cables are Pr...
ISAT’s “Blue Banger Hanger”
Cast-In-Place Concrete Deck Inserts
IBC COMPLIANT
70
Buy American Act
ISAT’s Seismic Bracing Kits and Blue Banger
Hangers, labeled as such, are a “Domestic
Construction Materi...
PHD STRUT PRODUCTS
72
PHD PIPE HANGER PRODUCTS
73
Stiffy Supports – Light Duty Low Voltage
Engineered Supports
Typical Vibration Isolation
• Spring hangers for suspended equipment, piping,
and duct
• Un-housed spring mounts
• Seismic...
Flexible Hose and Expansion Joints
 Flexible Hose
• Stainless, bronze,
• CSA certified for natural gas
• Variety of end f...
Los Angeles, CA (HQ)
San Francisco, CA
San Diego, CA
Sacramento, CA
Phoenix, AZ
Las Vegas, NV
Portland, OR
Seattle, WA
Sal...
ISAT’s Website…www.isatsb.com
A wealth of information at your fingertips!
THE END 78
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Asce 7 10 presentation on seismic bracing for mep systems

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sept 2013

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Asce 7 10 presentation on seismic bracing for mep systems

  1. 1. International Seismic Application Technology Engineered Seismic Bracing Systems and Services ASCE 7-10 SEISMIC DESIGN REQUIREMENTS FOR MEP NON-STRUCTURAL COMPONENTS For : GAYNER ENGINEERS Presented by Tim Lindfelt, Regional Engineering Manager 1
  2. 2. Why Is Seismic Bracing Required for MEP Systems Life Safety Functionality 2
  3. 3. EXAMPLE: 1994 NORTHRIDGE EARTHQUAKE 80-90% of the damage was to NON-structural elements 10 Essential Hospitals temporarily inoperable due primarily to water damage, broken glass, dangling light fixtures, and lack of emergency power due to failures in the distribution or control systems. 3
  4. 4. PERFORMANCE OF PUBLIC WATER SUPPLY SYSTEMS IN HISTORIC EARTHQUAKES 4
  5. 5. SEISMIC BRACING IS A CODE REQUIREMENT 5
  6. 6. 6 AREAS REQUIRING SEISMIC BRACING
  7. 7. Seismic Ground Acceleration Code Changes “G-Force” 7
  8. 8. SEISMIC DESIGN REQUIREMENTS FOR NONSTRUCTURAL COMPONENTS CHAPTER 13 8
  9. 9. BRACING/SUPPORTS FOR MEP SYSTEMS MUST BE ENGINEERED BY A PE AND REVIEWED AND APPROVED BY THE AHJ 9
  10. 10. IMPORTANT GENERAL TERMS 10
  11. 11. Component Importance Factor (Ip) 11
  12. 12. Ip =1.5 EXAMPLES  Examples of life-safety : • Fire protection system • Smoke exhaust system • Power to life-safety/hazardous systems • Emergency Power • Flammable, toxic, hazardous  Examples of Risk Category IV Buildings : • Acute Care Hospitals • Emergency Response Centers/Shelters • Fire/Police Stations • Air Traffic Control Towers • Water Facilities Supplying OCC CAT IV Buildings • Some Buildings Storing/Processing Hazardous Materials • Strategic National Defense 12
  13. 13. SEISMIC DEMANDS ON NONSTRUCTURAL COMPONENTS  13.3.1 – SEISMIC DESIGN FORCE UPPER LIMIT LOWER LIMIT With Modal AnalysisWithout Modal Analysis 13
  14. 14. SEISMIC DEMANDS ON NONSTRUCTURAL COMPONENTS FLOOR MOUNTED per TABLE 13.6-1 High Deformability Component ap = 1.0 and Rp = 2.5 (ap/Rp = 0.4) 14
  15. 15. SEISMIC DEMANDS ON NONSTRUCTURAL COMPONENTS FLOOR MOUNTED per TABLE 13.6-1 15 Spring Isolated Component ap = 2.5 and Rp = 2.0 (ap/Rp = 1.25)
  16. 16. SEISMIC DEMANDS ON NONSTRUCTURAL COMPONENTS DISTRIBUTED per TABLE 13.6-1 Pipes welded or brazed ap = 2.5 and Rp = 12.0 (ap/Rp = 0.2) 16
  17. 17. SEISMIC DEMANDS ON NONSTRUCTURAL COMPONENTS DISTRIBUTED Pipes threaded, coupled, etc Ap = 2.5 and Rp = 6.0 (ap/Rp = 0.42) 17
  18. 18. SEISMIC DEMANDS ON NONSTRUCTURAL COMPONENTS DISTRIBUTED Low Deformable Material (Glass or Cast Iron ap = 2.5, Rp = 3.0 ap/Rp = 0.83) 18 GLASS PIPES CAST IRON PIPES
  19. 19. WHAT REQUIRES BRACING? PER 13.1.4:  SUSPENDED/WALL MOUNTED COMPONENTS OVER 20LBS OR 5PLF  FLOOR MOUNTED EQUIPMENT OVER 400LBS OR CENTER OF GRAVITY 4 FT OR HIGHER ABOVE FLOOR 19
  20. 20. WHAT REQUIRES BRACING…. ELECTRICAL SYSTEMS (RACEWAYS):  SEISMIC DESIGN CAT. C,D,E,F: Ip=1.5– Conduit > 2.5” dia. (SDC C) Ip=1.0 and 1.5 – Conduit > 2.5” dia (SDC D, E, F) Ip=1.0 and 1.5 – Trapezed Conduit/CT ≥ 10plf Conduits > 2.5” attached to panels, cabinets or other equipment shall be installed with flexible connections. 13.6.5.6: 20
  21. 21. WHAT REQUIRES BRACING…. ELECTRICAL SYSTEMS cont.:  Light Fixtures, Lighted Signs, Ceiling Fans • Vertical supports shall be designed for 140% of operating weight with simultaneous horizontal force of 140% of operating weight. • Lights within a ceiling grid < 56 lbs does not need additional bracing • Connection to structure shall allow a 360 degree range of motion if no bracing is provided 13.6.1: 21
  22. 22. WHAT REQUIRES BRACING…. HVAC SYSTEMS:  SEISMIC DESIGN CATEGORY C,D,E,F: Ip=1.0 or 1.5 – Duct ≥ 6 Sq. Ft. or weigh > 17 lb/ft **Provisions must be made to avoid impact with larger ducts or mechanical components, or the ducts must be protected in the event of such impacts Ip=1.0 or 1.5 –Ducts supported on trapeze ≥ 10 lb/ft Ip=1.0 or 1.5 – Inline Equipment > 75lbs , unbraced pipes attached to inline equipment shall have flex connections Note: All smoke control/hazardous / toxic ductwork requires bracing with no size exceptions. 13.6.7: 22
  23. 23. WHAT REQUIRES BRACING…. PIPING SYSTEMS:  SEISMIC DESIGN CAT. C: Ip=1.0 – No bracing required for single hung pipe Ip=1.5 – Piping > 2” dia. Ip= 1.0 and 1.5 – Trapezed Piping ≥ 10plf  SEISMIC DESIGN CAT. D,E,F: Ip=1.0 – Piping > 3” dia. (Cast Iron > 2” dia) Ip=1.5 – Piping > 1” dia. Ip=1.0 and 1.5 – Trapezed Piping ≥ 10plf 13.6.8: 23
  24. 24. WHAT REQUIRES BRACING…. PIPING SYSTEMS cont.:  Item 3: Piping has an Rp < 4.5 per Table 13.6-1, piping systems and attachment shall be designed for the seismic forces and relative displacements of Section 13.3. 13.6.8.3: 24 Ap Rp
  25. 25. GENERAL EXCEPTIONS TO THE RULES 12” RULE:  Must be ALL hangers on a run  Provisions are made for the piping to accommodate expected deflections (flexes at components with relative displacements)  Assure that components does not swing and damage another utility. 13.6.5.6, 13.6.7, 13.6.8: 25
  26. 26. GENERAL EXCEPTIONS TO THE RULES 12” RULE cont.:  ELECTRICAL CONDUITS AND MECHANICAL DUCTS: • If rods are used as hangers, swivels shall be provided to prevent inelastic bending in rods. • Rods and anchors will have to be designed for bending due to seismic forces in Section 13.3 if swivels are not installed  PIPING SYSTEMS: • If rods are used as hangers, swivels, eyenuts, or other devices to prevent any bending in the rods. 13.6.5.6, 13.6.7, 13.6.8: 26
  27. 27. DAMAGING IMPACT & CONSEQUENTIAL DAMAGE 13.2.3: 27 • Unbraced component shall not damage an essential component. Hazardous exhaust flue Unbraced pipe
  28. 28. TYPICAL BRACING RULES - PIPING  Transverse Max Spacing : Steel/Cu = 40 ft ; Cast Iron = 20 ft  Longitudinal Max Spacing : Steel/Cu = 80 ft ; Cast Iron = 40 ft  Min Run Length = 10 ft  A Brace Within 2ft of 90deg Turn Can Work for Both Sides 28
  29. 29. ASCE REQUIRES : HOLISTIC SEISMIC DESIGN 29
  30. 30. SUSPENDED PIPING BRACING METHODS - TRANSVERSE 30
  31. 31. SUSPENDED PIPING BRACING METHODS - LONGITUDINAL 31
  32. 32. SUSPENDED PIPING BRACING METHODS – CABLE TRANS & LONG 32
  33. 33. SEISMIC BRACING- WHAT NOT TO DO! 33
  34. 34. SEISMIC BRACING- WHAT NOT TO DO! 34
  35. 35. ROOF TOP SUPPORTS  Wind forces shall be designed per section 29.5  Wind provisions for components and cladding is now in chapter 30  Wind provisions on equipment is part 6  Compare section 13.3 vs WIND SECTION 29.5 35
  36. 36. ROOF TOP SUPPORTS  Detailing for wind design shall be per Ch 13 (13.1.6 c)  Code compliance requires “Positive Attachment” to structure.  Friction resistance cannot be used 36
  37. 37. ROOF TOP EQUIPMENT  ASCE 29.5 and 29.5.1 • Wind loads shall be increased by 1.9 if your roof top equipment or structure is on a roof that is no more than 60ft from grade. • Studies from Texas Tech University showed that the wind gust factor is actually 1.63 compared to 0.85 that was in ASCE 7-02. The 1.9 factor was used to increase the pressure based on the testing (1.63/0.85 = 1.9). 37
  38. 38. ROOF SCREENS DO NOT REDUCE WIND LOADS ON STRUCTURES  Definition of mechanical screens per 2010 CBC 38 FEMA 549 ATTACHMENT OF ROOFTOP EQUIPMENT IN HIGH WIND REGIONS
  39. 39. INTERSTORY DRIFT  Caused by earthquake forces  Deflection is typically 1% of story height  MEP systems physically attached to two different floors  Methods to mitigate effects: - Use flex couplings/hose - Use slotted mounts - Spring isolators 39
  40. 40. INTERSTORY DRIFT AFFECTS ON PIPING DROPS INTO EQUIPMENT 40
  41. 41. VIDEO OF PIPE RUPTURE AT CONNECTION TO EQUIPMENT - SHAKE TABLE TEST Welded/Brazed Connections Outperformed Threaded Watch here 41
  42. 42. FORCES ON A PIPE DROPPING INTO A FLOOR MOUNTED EQUIPMENT 42
  43. 43. FORCES ON A PIPE DROPPING INTO A FLOOR MOUNTED EQUIPMENT 43 DEFORMED FLEX
  44. 44. FORCES ON A PIPE DROPPING INTO A FLOOR MOUNTED EQUIPMENT 44 DEFORMED FLEX
  45. 45. TYPICAL FLEX CUTSHEETS 45
  46. 46. SEISMIC RELATIVE DISPLACEMENT Components will respond differently in an earthquake. Provide adequate flexibility. 46
  47. 47. SEISMIC BUILDING JOINTS 47
  48. 48. SEISMIC ON THERMALLY ACTIVE PIPING  Avoid over bracing hot water and steam piping 48
  49. 49. THERMAL PIPING RISER DESIGN Guide Anchor Spring Mount Guide Guide Spring Mount Anchor Spring Mount 49
  50. 50. PIPING INSULATION VS LOAD PATH TRADITIONAL METHOD 50
  51. 51. PIPING INSULATION VS LOAD PATH CODE COMPLIANT METHOD 51
  52. 52. Pre-Insulated Pipe Support Integral Attachment Support Example: 10” Pipe with 2” Insulation – Hot Water Service, 200°F No Direct Path for Heat Loss Direct Path for Heat Loss thru Tee Heat Loss = 100 Btu/hr Heat Loss = 2500 Btu/hr HEAT LOSS THRU PIPE SUPPORT – PRE-INSULATED VS INTEGRAL 52
  53. 53. PRE-INSULATED ANCHOR ENGINEERED DATA SHEET 53
  54. 54. BRACING/SUPPORTS FOR MEP SYSTEMS MUST BE ENGINEERED BY A PE AND REVIEWED AND APPROVED BY THE AHJ 54
  55. 55. Special Seismic Certification 13.2.2:  Manufacturer Submit Cert of Compliance for Approval to the Registered Design Professional and Building Official  Designated (Ip=1.5) Equipment  Options : Testing / Analysis / Experiential Data  Registered Design Professional must state requirements on Construction Documents 55
  56. 56. IBC REQUIRES SPECIAL INSPECTION For Ip=1.5 Systems 56
  57. 57. IBC REQUIRES SPECIAL INSPECTION For Ip=1.5 (Designated Seismic Systems) 57 • Inspector needs to check • Label of equipment • Anchorage or mounted conforms to certificate of compliance
  58. 58. IBC 2012 REQUIRES SPECIAL INSPECTION MEP COMPONENTS 58 SEISMIC BRACING IS PART OF INSTALLATION THEREFORE NEEDS TO BE INSPECTED ALSO
  59. 59. Mechanical Engineer of Record Duties  Define Ip for Each Component  Determine List of Special Seismic Certifications  Review Subcontractor Submittals (Seismic Bracing and Anchorage Submittals)  Statement of Special Inspections 59
  60. 60. Contractor Statement of Responsibility 60
  61. 61. ISAT’S APPROACH TO COMPLY WITH CODE 61
  62. 62. ISAT OPA-0485-07  Only large MEP Design-Vendor with 2007 Specific OPA!! 62
  63. 63. SEISMIC BRACING SUBMITTAL DRAWINGS Each Seismic Location is Detailed on the Plans and Denoted with a Location Specific I.D. Number A Seismic Bracing Legend is Added to Assist Installers, Inspectors, and Reviewing Engineers in Understanding the Constraints of the Design ISAT’s Structural Engineers “Wet” Stamp Each Layout with Their Stamp from the Project State 63
  64. 64. IN-HOUSE CUSTOM ENGINEERING  California Licensed PE’s, SE’s, ME’s  Custom Details and Calculations  ELECTRONIC “WET STAMPS” 64
  65. 65. Seismic Bracing Inserted and Coordinated Within The Model 65
  66. 66. Custom Bracing Installation Solutions 66
  67. 67. Point Load Maps 67
  68. 68. Deck Pour/Insert Coordination GPS Total Station 68
  69. 69. Example: Cable Bracing Kit Kits Labeled with: -Contractor Name -Project Name -Drawing # -Building Area/Floor Cables are Pre-Tied to custom lengths, field adjustable, with correct brackets installed. (No need to field cut and swage cables, no “hunting” for correct materials) Correct concrete anchors, beam clamps, wood connections, etc. are included in each kit. (No quote surprises, No “hunting” for Anchors) Appropriate quantity of Rod Stiffener components are included in each kit. (No surprises in the quote (stiffeners are usually an add with other systems), No “hunting” for materials) Installation Details are in each kit Kit Production and Material Shipment… 69
  70. 70. ISAT’s “Blue Banger Hanger” Cast-In-Place Concrete Deck Inserts IBC COMPLIANT 70
  71. 71. Buy American Act ISAT’s Seismic Bracing Kits and Blue Banger Hangers, labeled as such, are a “Domestic Construction Material” under FAR 52.225-9 and FAR 52.225-2 71
  72. 72. PHD STRUT PRODUCTS 72
  73. 73. PHD PIPE HANGER PRODUCTS 73
  74. 74. Stiffy Supports – Light Duty Low Voltage Engineered Supports
  75. 75. Typical Vibration Isolation • Spring hangers for suspended equipment, piping, and duct • Un-housed spring mounts • Seismically restrained spring mounts • Neoprene mounts • Neoprene hangers • Equipment frames (e.g. cooling towers) • Equipment inertia bases • Riser supports (anchors, guides, and springs) • Most material complies with Buy American Act
  76. 76. Flexible Hose and Expansion Joints  Flexible Hose • Stainless, bronze, • CSA certified for natural gas • Variety of end fittings • Custom lengths  Rubber sphere expansion joints  Expansion compensators  Seismic expansion joints • V-loops for easy nesting • U-loops • Drain ports • O2 cleaned, capped, and bagged for medical gas • CSA certified for natural gas  PTFE bellows and hose
  77. 77. Los Angeles, CA (HQ) San Francisco, CA San Diego, CA Sacramento, CA Phoenix, AZ Las Vegas, NV Portland, OR Seattle, WA Salt Lake City, UT Denver, CO Charlotte, NC Atlanta, GA New York, NY San Juan, Puerto Rico ISAT Office Locations ISAT is opening additional offices in geographic regions where building code compliance for nonstructural seismic restraints is becoming more stringent.
  78. 78. ISAT’s Website…www.isatsb.com A wealth of information at your fingertips! THE END 78

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