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	SECTION 03156
	WATERSTOPS
	Copyright 2009 - 2012 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** BoMetals, Inc.; PVC and TPER rubber compound waterstop products. . This section is based on the products of BoMetals, Inc., which is located at: 141 Hammond St. Carrollton, GA 30117 Toll Free Tel: 800-862-4835 Tel: 770-832-2000 Email: request info Web: www.bometals.com [ Click Here ] for additional information. Since 1989, BoMetals has earned a reputation in the concrete and masonry accessory market for continuous innovation, enthusiastic customer service and dedication to the construction industry. BoMetals serves the concrete accessory market by manufacturing a wide variety of products used in both commercial and residential construction. BoMetals the nation's top manufacturer of keykold joint systems. QuicKey™ is the only galvanized joint system that features square dowel knockouts and PRO-KEY™, with a patented stake-to-key interlock. Other concrete products include Keyway Caps, Dovetail Anchor Slot and Anchors, Expansion Board Caps, Zip Joints, Grade Stakes, Safety Fence Stakes, Nail Stakes Chamfer & Radius Formers plus much more. BoMetals serves the masonry market with a complete line of Weep Tube, Block Cap and Control Joint products. Our Control Joint are available in both PVC and rubber compounds. This specification includes a comprehensive offering of PVC and TPER rubber compound waterstops profiles to meet the needs of any job.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	PVC Waterstops and Accessories.
		B.	Chemical Resistant TPER Waterstops and Accessories.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 03100 - Concrete Forms and Accessories.
		B.	Section 03300 - Cast in Place Concrete.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	ASTM D 412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers.
		B.	ASTM D 570 - Standard Test Method for Water Absorption of Plastics.
		C.	ASTM D 624 - Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers.
		D.	ASTM D 638 - Standard Test Method for Tensile Properties of Plastics.
		E.	ASTM D 746 - Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact.
		F.	ASTM D 747 - Standard Test Method for Apparent Bending Modulus of Plastics by Means of a Cantilever Beam.
		G.	ASTM D 792 - Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement.
		H.	ASTM D 1149 - Test Method for Rubber Deterioration-Surface Ozone Cracking in a Chamber.
		I.	ASTM D 1171 - Standard Test Method for Rubber Deterioration-Surface Ozone Cracking Outdoors or Chamber.
		J.	ASTM D 2240 - Standard Test Method for Rubber PropertyDurometer Hardness.
		K.	CRD-C572 - U.S. Army Corp of Engineers Specifications for Polyvinylchloride Waterstops.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	Product Data: Manufacturer's data sheets on each product to be used, including:
			1.	Preparation instructions and recommendations.
			2.	Storage and handling requirements and recommendations.
			3.	Installation methods.
	** NOTE TO SPECIFIER ** Delete the following paragraphs if LEED is not applicable.
		C.	LEED Submittals: Provide documentation of how the requirements of Credit will be met:
			1.	List of proposed materials with recycled content. Indicate post-consumer recycled content and pre-consumer recycled content for each product having recycled content.
			2.	Product data and certification letter indicating percentages by weight of post-consumer and pre-consumer recycled content for products having recycled content.
			3.	List of proposed materials with rapidly renewing content. Indicate rapidly renewing content percentage for each product having rapidly renewing content.
			4.	List of proposed materials demonstrating that each material was extracted, harvested or recovered, as well as manufactured within 500 miles of the project site.
		D.	Verification Samples: For each finished product specified, two samples, minimum size 6 inches (150 mm) log, representing actual product, color, and shape.
		E.	Manufacturer's Certificates: Certify products meet or exceed specified requirements.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: Waterstop manufacturer shall demonstrate five years (minimum) continuous, successful experience in production of PVC waterstops.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Store products undercover in manufacturer's unopened packaging until ready for installation.
		B.	Protect from oil, dirt and direct sunlight.
	1.7	SEQUENCING
		A.	Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
	1.8	PROJECT CONDITIONS
		A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: BoMetals, Inc., which is located at: 141 Hammond St. ; Carrollton, GA 30117; Toll Free Tel: 800-862-4835; Tel: 770-832-2000; Email: request info; Web: www.bometals.com
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
		B.	Substitutions: Not permitted.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01600.
	** NOTE TO SPECIFIER ** Select PVC waterstops or Chemical Resistant TPER waterstops from the following paragraphs; delete the paragraphs not required.
	2.2	PVC WATERSTOPS
		A.	Provide flexible 100 percent virgin Polyvinyl Chloride (PVC) Waterstop profile(s) as manufactured by BoMetals, Inc.
		B.	Profile: Provide profile(s) of type suitable for application and as follows:
	** NOTE TO SPECIFIER ** Edit the following paragraphs to suit project requirements; coordinate with requirements of Division 3 concrete and formwork sections. Consult with manufacturer for waterstop profiles available.
			1.	Moving joints, expansion or contraction joints: Provide in widths indicated.
				a.	Rib with center bulb.
				b.	Split Rib.
				c.	Dumb bell with center bulb.
				d.	Tear Web expansion joints.
				e.	Internal style expansion joints.
				f.	External style expansion joints.
				g.	Type indicated on the Drawings.
			2.	Non-Moving joints: Flat rib or multi rib type as follows:
				a.	Flat Ribbed.
				b.	Dumbbell.
				c.	Split Dumbbell.
				d.	Base Seal.
				e.	Multi-Rib.
				f.	Internal style contraction joints.
				g.	External style contraction joints.
				h.	Type indicated on the Drawings.
			3.	Base seals and retrofit waterstops.
				a.	Type indicated on the Drawings.
		C.	The PVC Waterstop shall be extruded from an elastomeric plastic material, of which the basic resin is prime, virgin polyvinyl chloride. The PVC compound shall not contain any scrapped or reclaimed material or pigments whatsoever.
		D.	Performance Requirements as follows:
			1.	Water Absorption: 0.20 percent maximum when tested in accordance with ASTM D 570.
			2.	Tear Resistance: 300 lb/in minimum when tested in accordance with ASTM D 624.
			3.	Specific Gravity: 1.45 maximum when tested in accordance with ASTM D 792.
			4.	Shore A Hardness (plus or minus 5, 10 sec delay): 75 when tested in accordance with ASTM D 2240.
			5.	Tensile: 2000 PSI when tested in accordance with ASTM D 638, Type IV.
			6.	Elongation: 300 percent minimum when tested in accordance with ASTM D 638, Type IV.
			7.	Low Temperature Brittleness: Minus 35 degrees F (passed) when tested in accordance with ASTM D 746.
			8.	Stiffness in Flexure: 600 psi minimum when tested in accordance with ASTM D 747.
			9.	Accelerated Extraction: Pass when tested in accordance with CRD-C-572.
			10.	Effect of Alkali: Pass when tested in accordance with CRD-C-572.
			11.	Weight Change: Minus 0.1 percent to Plus 0.05 percent.
			12.	Change in Hardness, Shore A: Plus or minus 5 percent when tested in accordance with ASTM D 2240.
	** NOTE TO SPECIFIER ** Chemical Resistant Thermoplastic Elastomeric Rubber (TPER) Waterstops play a critical part in providing a fluid tight diaphragm in primary, secondary and tertiary above and below ground containment facilities. TPER waterstops for concrete joints greatly expands its resistance to hot petro-chemicals, solvents, aqueous acids, gasoline, jet fuel and other chemicals listed as hazardous by the EPA.
	2.3	CHEMICAL RESISTANT TPER WATERSTOPS
		A.	Provide chemical resistant Thermoplastic Elastomeric Rubber, full Vulcanizate (TPER) waterstop profile(s) as manufactured by BoMetals, Inc.
		B.	Profile: Provide profile(s) of type suitable for application and as follows:
	** NOTE TO SPECIFIER ** Edit the following paragraphs to suit project requirements; coordinate with requirements of Division 3 concrete and formwork sections. Consult with manufacturer for waterstop profiles available.
			1.	Moving joints, expansion or contraction joints: Provide in widths indicated.
				a.	Rib with center bulb.
				b.	Split Rib.
				c.	Dumb bell with center bulb.
				d.	Tear Web expansion joints.
				e.	Internal style expansion joints.
				f.	External style expansion joints.
				g.	Type indicated on the Drawings.
			2.	Non-Moving joints: Flat rib or multi rib type as follows:
				a.	Flat Ribbed.
				b.	Dumbbell.
				c.	Split Dumbbell.
				d.	Base Seal.
				e.	Multi-Rib.
				f.	Internal style contraction joints.
				g.	External style contraction joints.
				h.	Type indicated on the Drawings.
			3.	Base seals and retrofit waterstops.
				a.	Type indicated on the Drawings.
		C.	TPER waterstop shall be extruded from a Thermoplastic Vulcanizate Elastomeric Rubber material, of which the basic resin is prime and virgin raw material. The TPER compound shall not contain any scrapped or reclaimed material or pigments whatsoever.
		D.	Performance Requirements as follows:
			1.	Shore A Hardness (plus or minus 5): 85.0 when tested in accordance with ASTM D 2240.
			2.	Tensile Strength @ Break: 2310 PSI when tested in accordance with ASTM D 412.
			3.	Elongation at Break: 850 percent when tested in accordance with ASTM D 412.
			4.	Brittle Point: Minus 70 degrees F (passed) when tested in accordance with ASTM D 746.
			5.	Specific Gravity: 0.93 g/cm3 when tested in accordance with ASTM D 792.
			6.	100 percent Modulus: 1073 PSI when tested in accordance with ASTM D 638.
			7.	Ozone Resistance: Passed 450 pphm when tested in accordance with ASTM D 1171.
	2.4	ACCESSORIES
		A.	Provide factory made waterstop fabrications for all changes of direction, intersections and transitions leaving only butt joint splicing for the field.
		B.	Provide hog rings, grommets or holes spaced at 12 inches (305 mm) on center along the length of the waterstop.
		C.	Provide thermostatically controlled, Teflon covered waterstop splicing irons for field splicing as manufactured by BoMetals, Inc.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not begin installation until substrates have been properly prepared.
		B.	If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
	3.2	PREPARATION
		A.	Uncoil PVC Waterstop 24 hours prior to installation for ease of fabrication and handling.
		B.	Clean concrete joint after first pour to remove dirt and debris.
		C.	Position waterstop to ensure proper distance from steel reinforcing bars.
		D.	Protect waterstop from damage during progress of work.
	3.3	INSTALLATION
		A.	Install in accordance with manufacturer's instructions.
		B.	Install waterstop continuous without displacing reinforcement.
		C.	Field butt splices shall be fused welded using a thermostatically controlled Teflon coated Waterstop iron at 400 degree F (204 C) to form a continuous water tight diaphragm. Lapping, gluing or use of adhesives is not be permitted.
		D.	Center waterstop in the joint and secure waterstop in correct position using hog rings, grommets or holes spaced 12 inches (305 mm) on center along the length of the waterstop and wire tie to reinforcing steel.
		E.	Always place the center bulb in the center of the expansion joint. Do not embed the centerbulb in concrete.
		F.	Vibrate concrete around waterstops thoroughly to prevent honeycombing and to ensure continuous contact between concrete and waterstop.
		G.	Ensure items are not disturbed during concrete placement.
	3.4	INSPECTION
		A.	Notify Architect/Engineer after placement of waterstops in forms, but prior to placing concrete.
		B.	Inspect waterstop splicing for defects which are unacceptable including, but, not limited to the following:
			1.	Tensile strength that is less than 80 percent of the parent section.
			2.	Misalignment of center bulb, ribs and end bulbs greater than 1/6 inch (4.2 mm).
			3.	Bond failure at joint deeper than 1/16 inch (1.6 mm) or 15 percent of material thickness.
			4.	Misalignment that reduces waterstop cross section more than 15 percent.
			5.	Visible porosity in the weld.
			6.	Bubbles in the welds
			7.	Inadequate bonding.
			8.	Visible signs of splice separation when cooled splice is bent at a sharp angle using hand pressure.
			9.	Charred or burnt splices.
		C.	If defects are found remove and replace waterstops as required. If defects are found that are the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
	3.5	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION