PIPING

ARTICLE ISSUE #

Steel Dilemma Calls for Better Management Planning SQ21

Thinwall Friction Factors SQ 25

New "Birdcage" Design for Sprinkler Piping SQ 25

Multi-Purpose Piping - New Interest in Old Idea SQ 27

NBS Tests Rate Steel Pipe Smoother (Sprinkling of News) SQ 38

Tri-Water System Slowly Emerges SQ 40

Plastic Pipe (Sprinkling of News) SQ42

Letterhead - Shell Chemical Company SQ 43

St. Petersburg Tries Polybutylene SQ46

The Facts on Threading Thinwall (Technically Speaking) SQ46

Nevada Approves Polybutylene Retrofit (Sprinkling of News) SQ47

Quality Control For Installation of Underground Piping For SQ55

Sprinkler Systems

The Role Of Standpipes In The 1980's SQ 62

ASTM 120

ASTM Withdraws A120 Steel Pipe Standard TN X 2

"XL" PIPE

Fittings Listed for Use With "XL" and Schedule 5 TN VIII 1

Special Listed Product Survey TN IX 2

FM Approves Threaded "XL" Thinwall TN IX 2

COPPER

Copper Tees Without Fittings TN VI 2

Schedule 5 Pipe Imminent TN VII 3

Factory Mutual Questions Welding Procedures for

Schedule 5 Pipe TN XIV 5

Epoxy Listed for Joining Copper Tube TN XVII 2

GALVANIZED

Any Experience with Galvanized Pipe? TN III 5

FM Requires Galvanized For All Dry and Preaction Systems TN VIII 3

PLASTIC AND POLYBUTYLENE

It Won't Rust But... TN III 2

Polybutylene Pipe Being Investigated for Residential TN IV 2

Sprinkler Use

Approval of Polybutylene For 13D Systems May Be Near TN VI 2

Polybutylene Limited to 13D Systems TN VI 5

Goodrich Introduces Blazemaster TN VII 3

New Product Update TNVII 5

CPVC Approved for 13D Use TN VII 6

No Action Yet at UL on Polybutylene or CPVC TN VIII 1

Polybutylene Listed by UL for Some NFPA 13 Applications TN VIII 2

Polybutylene Pipe Sizes Differ TNVIII 2

Listing Cards Released for Polybutylene TN VIII 3

CPVC Listed for NFPA 13 Use TN VIII 5

Special Listed Products Survey TN IX 2

NFPA 231 Committee Narrows the Gap on "Highly Plasticized" PVC TN IX 4

Proposed Changes to 1987 NFPA 13 Mostly Restrictive TN IX 5

CPVC Expands Applications TN X 2

Nonmetallic Piping Protection Issues TN X 3

CPVC To Be Listed for Air Plenum Use TN XII 4

CPVC Exposed Pipe Installation Listing Revised TN XVI 1

THREADING OF THINWALL

Test Program Proposed for New Light Weight Pipe TN I 1

1978 NFPA 13 and 13A Approved in Montreal TN I 6

1978 Edition of NFPA 13 Soon to be Available TN II 1

Threaded Thinwall May be Imminent TN V 3

UL Classifies Threaded Thinwall TN VI 1

Insurers React to Threaded Thinwall TN VI 2

Tentative Interim Amendment Addresses Threaded Thinwall TN VII 1

Threaded Thinwall Steel Pipe Re-classified as "Listed" TN VIII 1

FM Approves Threaded "XL" Thinwall TN IX 2

UNDERGROUND

Mechanical Joint Retainer Glands - IRI Urges Caution TN I 2

It Won't Rust But... TN III 2

WELDING

Discs From Welding Found Blocking Sprinkler Lines TN I 5

Contractors Should Have QC Program for Welding TN II 2

Getting Into Compliance with NFPA 13 Welding Requirements TN II 5

Quality Assurance Program for Welding TN II 5

AWS Level AR-3 Welding Recommended Practices Manual TN III 2

Available

Welding Discs Found Blocking Sprinkler Lines Again TN V 2

Welding Manual Recommended TN VI 1

Avoiding Restrictions on Welded Outlets TN IX 1

Proposed Changes to 1987 NFPA Mostly Restrictive TN IX 5

Revamping Rules Need Revamping TN XII 3

CPVC To Be Listed for Air Plenum Use TN XII 4

NFSA Creates Pipe Manufacturers Subcommittee TN XIII 2

Factory Mutual Questions Welding Procedures for

Schedule 5 Pipe TN XIV 5

CPVC Exposed Pipe Installation Listing Revised TN XVI 1

Complaint Denied on 1/2 Inch Monmetallic Pipe TN XVII 1

New Crimp Method Accepted for 1 Inch Diameter

Polybutylene TN XVII 1

Epoxy Listed for Joining Copper Tube TN XVII 2

TIA on .5 inch Plastic Pipe Fails Ballot TN XVIII 1

One Half In. Sprinkler Pipe Debate Heats Up for NFPA 13D TN XVIII 5

New Sprinkler Standards to Include QR Mand. and .5 in. Pipe TN XX 3

NFPA Rejects Listing Requirement for Steel Pipe TN XXI 4