SECTION 15490

PROCESS AND LABORATORY PIPING

PART 1 - GENERAL
1.01 WORK INCLUDED
A. This section includes all pipe, pipe fittings, valves, and other
appurtenances for the following piping applications:
1. Process piping.
2. Laboratory gas piping.
3. Cryogenic piping.
1.02 RELATED WORK
A. Section 01900 - Lateral Force Anchorage Provisions
B. Section 09900 - Painting
C. Section 15121 - Expansion Compensation
D. Section 15140 - Supports and Anchors
E. Section 15190 - Mechanical Identification
F. Section 15242 - Vibration Isolation
G. Section 15260 - Piping Insulation
1.03 CODES AND STANDARDS
Comply with all of the following:
A. Section 15010, Part 1.05 - Codes and Standards
B. American National Standards Institute (ANSI)
1. ANSI/AWS A5.8 Brazing Filler Metal
2. ANSI/AWS A5.9 Corrosion Resisting Chromium and Chromium-Nickel Steel
Welding Rods and Bare Electrodes
3. ANSI/AWS A5.10 Aluminum and Aluminum-Alloy Welding Rods and Bare
Electrodes
4. ANSI/AWS D1.1 Welding and Cutting
5. ANSI B2.1 Pipe Threads (Except Dryseal)
6. ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings
7. ANSI B16.3 Malleable-Iron Threaded Fittings
8. ANSI B16.5 Pipe Flanges and Flanged Fittings
9. ANSI B16.9 Factory-Made Wrought Steel Buttwelding Fittings
10. ANSI B16.11 Steel Socket Welding Fittings
11. ANSI B16.15 Cast Bronze Threaded Fittings
12. ANSI B16.22 Wrought Copper and Wrought Bronze Solder Joint Fittings
13. ANSI B16.24 Bronze Flanges and Flanged Fittings
14. ANSI B16.28 Wrought Steel Buttwelding Short Radius Elbows and Returns
15. ANSI B18.2.1 Square and Hex Bolts and Screws
16. ANSI B18.2.2 Square and Hex Nuts
C. American Society for Testing and Materials (ASTM)
1. ASTM A 47 Malleable Iron Castings
2. ASTM A 53 Pipe, Steel, Black and Hot Dipped Zinc-Coated, Welded
and Seamless
3. ASTM A 106 Seamless Carbon Steel Pipe for High-Temperature Service
4. ASTM A 120 Pipe, Steel, Black and Hot Dipped Zinc-Coated, Welded
and Seamless, for Ordinary Uses
5. ASTM A 126 Gray Iron Castings for Valves, Flanges, and Pipe Fittings
6. ASTM A 153 Zinc Coating (Hot-Dip) in Iron and Steel Hardware
7. ASTM A 181 Forgings, Carbon Steel for General Purpose Piping
8. ASTM A 182 Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings,
and Valves and Parts for High-Temperature Service
9. ASTM A 197 Cupola Malleable Iron
10. ASTM A 234 Piping and Fittings of Wrought Carbon Steel and Alloy
Steel For Moderate and Elevated Temperatures
11. ASTM A 269 Seamless and Welded Austenitic Stainless Steel Tubing
for General Service
12. ASTM A 312 Seamless and Welded Austenitic Stainless Steel Pipe
13. ASTM A 409 Welded Large Outside Diameter Light-Wall Austenitic
Chromium-Nickel Alloy Steel Piping for Corrosive or High-Temperature
Service
14. ASTM B 32 Solder Metal
15. ASTM B 43 Seamless Red Brass Pipe, Standard Sizes
16. ASTM B 62 Composition Bronze or Ounce Metal Castings
17. ASTM B 210 Aluminum-Alloy Drawn Seamless Tubes
18. ASTM B 241 Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube
19. ASTM B 247 Aluminum-Alloy Die and Hand Forgings
20. ASTM B 361 Factory-Made Wrought Aluminum and Aluminum-Alloy Welding
Fittings
21. ASTM D 1784 Rigid Poly Vinyl Chloride (PVC) Compounds and Chlorinated
Poly Vinyl Chloride (CPVC) Compounds
22. ASTM D 1785 Poly Vinyl Chloride (PVC) Plastic Pipe
23. ASTM D 2241 Poly Vinyl Chloride (PVC) Plastic Pipe (SDR-PR)
24. ASTM D 2464 Threaded Poly Vinyl Chloride (PVC) Plastic Pipe Fittings,
Schedule 80
25. ASTM D 2467 Socket-Type Poly Vinyl Chloride (PVC) Plastic Pipe
Fittings, Schedule 80
26. ASTM D 2564 Solvent Cements for Poly Vinyl Chloride (PVC) Plastic
Pipe and Fittings
D. National Fire Protection Association (NFPA)
1. NFPA 31 Oil Burning Equipment
2. NFPA 51 Oxygen-Fuel Gas Systems for Welding and Cutting
3. NFPA 58 Liquefied Petroleum Gases, Storage and Handling
E. Sheet Metal and Air Conditioning Contractors National Association
(SMACNA)
1. SMACNA Guidelines for Seismic Restraints of Mechanical Systems
1.04 SUBMITTALS
Comply with all of the following:
A. Section 15010, Part 1.15 - Review of Materials.
1.05 QUALITY ASSURANCE
A. Valves:  Manufacturer's name and pressure rating shall be marked
on valve body.
B. Welding Materials and Procedures:  Conform to ASME Code and
applicable state labor regulations.
C. Welders Certification:  In accordance with ANSI/AWS D1.1.
1.06 DELIVERY, STORAGE, AND HANDLING
A. Deliver, store, and protect products under provisions of Section
01210.
B. Deliver and store valves in shipping containers with labeling in
place.
PART 2 - PRODUCTS

NOTE: Do not use CPVC pipe for conveying hydrofluoric  acid or
detergents (contact manufacturer regarding PRODUCT limitations and application).

2.01 MATERIAL SCHEDULE
Refer to Sections 2.02 to 2.18 for complete material specifications
for each pipe class specified below.

Piping System

Material Specification

A.  Acetylene

Pipe Class BS1 (black steel)

B.  Air Sampling System

Pipe Class C1, Type L with silver brazing alloy (copper)

C.  Distilled Water

Pipe Class PVC1 (PVC)

D.  Instrument Air

Pipe Class C1, Type L with 95-5 tin antimony solder

E.  Methane

Pipe Class BS1 or BS2 (black steel)

F.  Nitrogen Gas

Pipe Class C1, Type K with silver brazing alloy (copper)

G.  Oxygen Gas

Pipe Class C1, Type K with silver brazing alloy (copper)

H.  Process Cooling Water Supply & Return (4" or less)

Pipe Class C1, Type L with 95-5 tin antimony solder (copper)

I.  Process Cooling Water Supply & Return (4" and smaller,
where piping can be damaged)

Pipe Class B1 (brass)

J.  Process Cooling Water Supply & Return (larger than 4")

Pipe Class GS1 (galvanized)

K.  Process Hot Water Supply & Return (4" and smaller)

Pipe Class C1, Type L with 95-5 tin antimony solder (copper)

L.  Process Hot Water Supply & Return (4" and smaller)

Pipe Class B1 (brass)

M.  Process Hot Water Supply & Return (larger than 4")

Pipe Class GS1 (galvanized)

N.  Vacuum (4" and smaller)

Pipe Class C1, Type L with silver brazing alloy (copper)

O.  Vacuum (larger than 4")

Pipe Class BS2 (black steel)

2.02 PIPE CLASS BS1:  BLACK STEEL PIPE AND FITTINGS
A. Pipe:  Black Steel, welded or seamless wall pipe, Schedule
40, ASTM A 53, Grade B, Type S, (seamless) or Type E (electric resistance
welded), or ASTM A 106, Grade B, ANSI B36.10. Welded joints.
B. Fittings:
1. Pipe Sizes 2 Inch or Smaller:  Socket-welding fittings, 2000
lb, ASTM A 181, ANSI B16.11.
2. Pipe Sizes 2-1/2 Inch or Larger:  Butt-welding fittings, Schedule
40, ASTM A 234, ANSI B16.9.
C. Flanges:  Slip-on or welding-neck type, 150 lb, raised face,
carbon steel, ASTM A 181, Grade 1, dimensions in accordance with ANSI
B16.5.
D. Unions:
1. Pipe Sizes 2 Inch or Smaller:  250 lb, screwed, black malleable
iron, ground joint, brass to iron seat.
2. Pipe Sizes 2-1/2 Inch or Larger:  Use flanges.
E. Local Connections (2 inches or smaller):  Threaded joints using
150-lb, black, banded, threaded, malleable iron fittings may be used
for exposed local connections.  Fittings shall conform to ANSI
B16.3 dimensions, ASTM A 47, ANSI B2.1 threads.
2.03 PIPE CLASS BS2:  BLACK STEEL PIPE AND FITTINGS
A. Pipe:  Black Steel, welded or seamless wall pipe, Schedule
40 ASTM A 120 or A 53, ANSI B36.10.  Welded joints.
B. Fittings:
1. Pipe Sizes 2 Inch or Smaller:  Socket-welding fittings, 2000
lb, ASTM A 181, ANSI B16.11.
2. Pipe Sizes 2-1/2 Inch or Larger:  Butt-welding fittings, Schedule
40, ASTM A 234, ANSI B16.9.  Short radius elbows (ANSI B16.28)
will be allowe