Section 22 66 00 - CHEMICAL-WASTE SYSTEMS FOR LABORATORY AND HEALTHCARE FACILITIES.pdf

Renovate B Ground Floor Building 200 for Acute Care Beds 09-01-15

James H. Quillen VAMC Mountain Home, TN

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SECTION 22 66 00

CHEMICAL-WASTE SYSTEMS FOR HEALTHCARE FACILITIES

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section describes the requirements for chemical waste systems, including piping and all necessary accessories as designated in this section.

B. A complete listing of all acronyms and abbreviations are included in

Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

1.2 RELATED WORK

A. Section 01 00 00, GENERAL REQUIREMENTS.

B. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

C. Section 07 84 00, FIRESTOPPING: Penetrations in rated enclosures.

D. Section 07 92 00, JOINT SEALANTS.

E. Section 09 91 00, PAINTING: Preparation and finish painting and identification of piping systems.

F. Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

G. Section 22 07 11, PLUMBING INSULATION.

1.3 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. American Society of Mechanical Engineers (ASME):

A13.1-2015..............Scheme for Identification of Piping Systems

B16.11-2016.............Forged Fittings, Socket-Welding and Threaded

B16.12-2019.............Cast Iron Threaded Drainage Fittings

B16.15-2018.............Cast Copper Alloy Threaded Fittings: Classes

125 and 250

C. American Society for Testing and Materials (ASTM):

A74-2017................Standard Specification for Cast Iron Soil Pipe and Fittings

A183-2014...............Standard Specification for Carbon Steel Track

Bolts and Nuts

C564-2014...............Standard Specification for Rubber Gaskets for

Cast Iron Soil Pipe and Fittings

D2447-2003..............Standard Specification for Polyethylene (PE)

Plastic Pipe, Schedule 40 and 80, Based on

Outside Diameter

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D2564-2012(R2018).......Standard Specification for Solvent Cements for

Poly(Vinyl Chloride) (PVC) Plastic Piping

Systems

D2665-2014..............Standard Specification for Poly(Vinyl Chloride)

(PVC) Plastic Drain, Waste, and Vent Pipe and

Fittings

D4101-2017e1............Standard Classification System and Basis for

Specification for Polypropylene Injection and

Extrusion Materials

F1412-2016..............Standard Specification for Polyolefin Pipe and

Fittings for Corrosive Waste Drainage Systems

F1673-2010(R2016).......Standard Specification for Polyvinylidene

Fluoride (PVDF) Corrosive Waste Drainage

Systems

D. International Code Council (ICC):

IPC-2018................International Plumbing Code

E. National Electrical Manufacturers Association (NEMA):

250-2018................Enclosures for Electrical Equipment (1000 Volts

Maximum)

1.4 SUBMITTALS

A. Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 22 66 00, CHEMICAL-WASTE SYSTEMS FOR

HEALTHCARE FACILITIES”, with applicable paragraph identification.

C. Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity.

1. Chemical resistant waste and vent piping

2. Cleanouts

D. Shop Drawings: For piping system.

1.5 QUALITY ASSURANCE

A. Bio-Based Materials: For products designated by the USDA’s Bio-

Preferred Program, provide products that meet or exceed USDA recommendations for bio-based content, so long as products meet all performance requirements in this specifications section. For more

22 66 00 - 3 information regarding the product categories covered by the Bio-

Preferred Program, visit http://www.biopreferred.gov.

1.6 AS-BUILT DOCUMENTATION

A. Submit manufacturer’s literature and data updated to include submittal review comments, construction revisions and any equipment substitutions.

B. The installing contractor shall maintain as-built drawings of each completed phase for verification; and, shall provide the complete set at the time of final systems certification testing. As-built drawings are to be provided, and a copy of them on Auto-Cad version 2016 provided on compact disk or DVD. Should the installing contractor engage the testing company to provide as-built or any portion thereof, it shall not be deemed a conflict of interest or breach of the ‘third party testing company’ requirement.

C. Certification documentation shall be provided prior to submitting the request for final inspection. The documentation shall include all test results, the names of individuals performing work for the testing agency on this project, detailed procedures followed for all tests, and a certification that all results of tests were within limits specified.

1.7 PROJECT CONDITIONS

A. Interruption of Existing Chemical-Waste Service: Do not interrupt chemical-waste service to facilities occupied unless permitted under the following conditions and then only after arranging to provide temporary chemical-waste service according to requirements indicated:

1. Provide written notice to COR no fewer than two days in advance of proposed interruption of chemical-waste service.

2. Do not proceed with interruption of chemical-waste service without

COR’s written permission.

PART 2 - PRODUCTS

2.1 CHEMICAL RESISTANT WASTE AND VENT PIPING

A. The material shall include connecting fittings in stacks or mains.

B. The chemical resistant waste and vent pipe material shall be extruded polypropylene plastic pipe and drainage pattern fittings conforming to

ASTM F1412 and tested in accordance with applicable provisions of ASTM

D2447. The polypropylene pipe and fittings shall be schedule 40 and made from a PP black olefin resin with a fire retardant additive complying with ASTM D4101 with mechanical joints for sizes under 3 http://www.biopreferred.gov/

22 66 00 - 4 inches (DN75) and fusion and mechanical joints for sizes 3 inches

(DN75) and over.

1. Exception: Pipe and fittings made from PP resin without fire-retardant additive may be used for underground installation. Comply with applicable provisions of ASME B16.12 for material dimensions and configurations.

C. The chemical resistant waste and vent pipe material shall be PVDF pipe and drainage pattern fittings conforming to ASTM F1673. The PVDF pipe and fittings shall be schedule with mechanical joints for sizes under

75 mm (3 inches) and fusion and mechanical joints for sizes 75 mm (3 inches) and over. Mechanical joints shall be used at all traps and trap arms.

1. Exception: Underground piping joints shall be fusion weld.

2.2 CLEANOUTS

A. Cleanouts shall be the same size as the pipe, up to 100 mm or DN100 (4 inches); not less than 100 mm or DN100 (4 inches) for larger pipe.

Cleanouts for chemical waste drain pipe shall be of same material as the pipe. Cleanouts shall be easily accessible and shall be gastight and watertight. A minimum clearance of 600 mm (24 inches) shall be provided for clearing a clogged chemical waste drain.

B. In horizontal runs above grade, cleanouts shall consist of cast brass tapered screw plug in fitting or caulked/no hub cast iron ferrule.

Plain end (no-hub) piping in interstitial space or above ceiling may use plain end (no-hub) blind plug and clamp.

PART 3 - EXECUTION

3.1 PIPE INSTALLATION

A. The pipe installation shall comply with the requirements of the

International Plumbing Code and these specifications.

B. Branch piping for chemical waste piping system shall be installed and connected to all fixtures and equipment, including those furnished by the Government or specified in other sections.

C. Pipe shall be round and straight. Cutting shall be done with proper tools. Pipe, except for plastic, shall be reamed to full size after cutting.

D. All pipe runs shall be laid out to avoid interference with other work.

E. The piping shall be installed at the indicated slopes or according to the International Plumbing Code.

F. The piping shall be installed free of sags and bends.

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G. Changes in direction for chemical waste drainage and vent piping shall be made using appropriate branches, bends and long sweep bends.

Sanitary tees and short sweep quarter bends may be used on vertical stacks if change in direction of flow is from horizontal to vertical.

Long turn double wye branch and eighth bend fittings shall be used if two fixtures are installed back to back or side by side with common drain pipe. Straight tees, elbows, and crosses may be used on vent lines. Do not change direction of flow more than 90 degrees. Proper size of standard increaser and reducers shall be used if pipes of different sizes are connected. Reducing size of drainage piping in direction of flow is prohibited.

H. PVDF piping shall be installed according to ASTM F1673 and manufacturer’s recommendations.

I. If an installation is unsatisfactory to the COR, the Contractor shall correct the installation at no cost to the Government.

3.2 SPECIALTY PIPE FITTINGS

A. Transition coupling shall be installed at pipe joints with small differences in pipe outside diameters.

B. Dielectric fittings shall be installed at connections of dissimilar metal piping and tubing.

C. All chemical waste piping shall be joined with specialty fittings in accordance with referenced standards and manufacturer’s recommendations for the applications used.

3.3 PIPE HANGERS, SUPPORTS, AND ACCESSORIES

A. All piping shall be supported according to the International Plumbing

Code, Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING, and these specifications.

B. Hangers, supports, rods, inserts and accessories used for Pipe supports shall be shop coated with zinc Chromate primer paint. Refer to Section

09 91 00, PAINTING.

C. Horizontal piping and tubing shall be supported within 300 mm (12 inches) of each fitting or coupling.

D. Vertical piping and tubing shall be supported at the base, at each floor, and at intervals no greater than 4.6 meters (15 feet).

E. In addition to the requirements in Section 22 05 11, COMMON WORK

RESULTS FOR PLUMBING, floor, Wall and Ceiling Plates, Supports, and

Hangers shall have the following characteristics:

1. Solid or split unplated cast iron.

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2. All plates shall be provided with set screws.

3. Height adjustable clevis type pipe hangers.

4. Adjustable floor rests and base flanges shall be steel.

5. Hanger rods shall be low carbon steel, fully threaded or threaded at each end with two removable nuts at each end for positioning rod and hanger and locking each in place.

6. Riser clamps shall be malleable iron or steel.

7. Rollers shall be cast iron.

8. Hangers and supports utilized with insulated pipe and tubing shall have 180 degree (min.) metal protection shield centered on and welded to the hanger and support. The shield shall be 100 mm (4 inches) in length and be 16 gauge steel. The shield shall be sized for the insulation.

F. Miscellaneous Materials: As specified, required, directed or as noted on the drawings for proper installation of hangers, supports and accessories.

G. Penetrations:

1. Where pipes pass through fire partitions, fire walls, smoke partitions, or floors, install a firestop system that provides an effective barrier against the spread of fire, smoke and gases as specified in Section 07 84 00, FIRESTOPPING. Clearances between raceways and openings shall be completely filled and sealed with the firestopping materials.

2. At floor penetrations, clearances around the pipe shall be completely sealed and made watertight with sealant as specified in

Section 07 92 00, JOINT SEALANTS.

H. Chemical waste and vent piping shall conform to the following:

1. Where waste lines from fixtures are shown on plans to be chemical resistant, vents from those fixtures shall also be chemical resistant.

2. Storage and installation for PVDF or PE chemical resistant pipe shall comply with ASTM D2665.

3. Mechanically Joined Polypropylene Pipe requires a pre-grooved pipe or cutting of a groove in each pipe section using a rotation cutting tool. Polypropylene chemical resistant pipe pitch shall be 6 mm minimum (1/4 inch per foot) minimum. Mechanically joined pipe shall not be installed below grade.

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4. Plastic chemical waste pipe shall not be installed within 23 m (75 feet) of hot water appliances (autoclaves, dishwashers, sterilizers) and similar equipment.

3.6 TESTS

A. The chemical resistant pipe system shall be tested either in its entirety or in sections.

B. Tests for chemical resistant waste and vent shall be conducted before trenches are backfilled or fixtures are connected. A water test or air test shall be conducted as directed.

1. Entire system is tested using a water test, tightly close all openings in pipes except highest opening, and fill system with water to point of overflow. If system is tested in sections, tightly plug each opening except highest opening of section under test, fill each section with water and test with at least a 3 m (10 foot) head of water. In testing successive sections, test at least upper 3 m (10 feet) of next preceding section so that each joint or pipe except upper most 3 m (10 feet) of system has been submitted to a test of at least a 3 m (10 foot) head of water. Water shall be kept in system, or in portion under test, for at least 15 minutes before inspection starts. System shall then be tight at all joints.

2. Final Tests: Either one of the following tests may be used.

a. Smoke Test: After fixtures are permanently connected and traps are filled with water, fill entire drainage and vent systems with smoke under pressure of 1.3 kPa (1 inch of water) with a smoke machine. Chemical smoke is prohibited.

b. Peppermint Test: Introduce 60 ml (two ounces) of peppermint into each line or stack.

3.7 STARTUP AND TESTING

A. As recommended by product manufacturer and listed standards and under actual or simulated operating conditions, tests shall be conducted to prove full compliance with design and specified requirements. Tests of the various items of equipment shall be performed simultaneously with each integrated system.

B. The tests shall include system capacity, control function, and alarm functions.

C. When any defects are detected, correct defects and repeat test at no additional costs to the Government.

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3.8 DEMONSTRATION

A. Provide services of manufacturer’s technical representative for four hours to instruct VA Personnel in operation and maintenance of the system.

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