15405.doc

96-620

00-32 07-733 07-743

SECTION 15405 - SOIL, WASTE AND DRAIN PIPING SYSTEMS

PART 1 GENERAL

1.1

WORK INCLUDED

A.

This Section governs modifications to the sanitary sewer piping system.

1.2

CODE COMPLIANCE

A.

The work shall be in accordance with the requirements of the State Plumbing Code and the local plumbing codes and regulations.

B.

Where more stringent requirements are specified herein, then the work shall comply with the specified requirements.

1.3

SUBMITTAL DATA

A.

See SECTION 15000 for general submittal requirements.

B.

Provide manufacturer's literature for all products specified in this Section which will be installed under this project.

PART 2 PRODUCTS

2.1

PIPING

A.

Aboveground Piping

1.

Non-buried piping and piping above floor slab shall be one of the following:

a.

Service weight (SV) cast iron soil pipe, bell and spigot fittings with premolded rubber joint gaskets as specified in paragraph 2.1 A, above. Neoprene couplings may be used where in compliance with State and local codes.

b.

Type DWV copper pipe and fittings with joints soldered with 50/50 solder.

2. At Contractor's option, No-Hub mechanical joint piping may be used as permitted by the Montana State Plumbing Code and local regulations.

3. Type DWV copper shall be used where space does not permit cast iron pipe.

PART 3 EXECUTION

3.1

PIPING

A.

Soil Pipe Joints

1.

Joints in cast iron soil pipe and fittings without hubs shall be made using a mechanical compression-type coupling consisting of a neoprene collar, stainless steel band with transverse corrugations and not less than four stainless steel clamps with stainless steel setscrews all assembled to provide a positive seal, and shall conform to Standard 310 of the Cast Iron Soil Pipe Institute.

B.

Joints for steel and copper to be in accord with Section 15060.

3.2

INSTALLATION

A.

Slope 1/4" per foot where possible and not less than 1/8" per foot.

B.

Changes in direction made with appropriate fittings. Long bends used where possible.

C.

Plumbing System Vents

1.

All fixtures vented.

2.

Horizontal vents sloped up not less than 1/8" per foot.

3.3

TESTING

A.

General

1.

Piping to be tested before it is covered up or built-in. Leaks to be repaired and test repeated until system is approved.

2.

Any damage occurring as result of testing, leaks, etc., shall be corrected at this Contractor's expense.

END OF SECTION 15405

PACKAGE M OUTBUILDING RENOVATION NIH-NIAID RML HAMILTON, MT

SOIL, WASTE AND DRAIN PIPING SYSTEMS 15405-2

RML AUTOCLAVE REPLACEMENT ( NIH-NIAID RML ( HAMILTON, MT

SOIL, WASTE AND DRAIN PIPING SYSTEMS 15405-2