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- SECTION 11204
-
- WEIR PLATES, SCUM BAFFLES, AND BRACKETS
- NOTE ** Warminster Fiberglass Co. weir plates.
- NOTE **
- NOTE ** This section is based on products manufactured by
- Warminster Fiberglass Co., which is located at the
- following address:
- NOTE ** P.O. Box 188
- NOTE ** Southampton PA 18966-0188
- NOTE ** Tel: (215) 953-1260
- NOTE ** Fax: (215) 357-7893
- NOTE **
- NOTE ** Warminster Fiberglass Co. has manufacturing
- facilities in Southampton PA and in Jacksonville
- TX, and manufactures a wide line of fiberglass
- reinforced polyester resin products for the water
- and waste treatment industry, including instrument
- consoles, Palmer-Bowlus flumes, Parshall flumes,
- slide gates, wash troughs, effluent troughs, finger
- weirs, weir plates, scum baffles, metering
- manholes, density current baffles, and odor control
- systems.
- NOTE **
- NOTE ** Warminster also manufactures fiberglass doors and
- frames and buildings, shelters, and enclosures for
- a wide range of uses.
- NOTE **
- NOTE ** SECTION 11204 - WEIR PLATES, SCUM BAFFLES, AND
- BRACKETS, Copyright 1997, The Architect's Catalog,
- Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
-
- A. Weir plates, scum baffles, and brackets.
-
- 1.2 RELATED SECTIONS
- NOTE ** Delete any sections below not relevant to this
- project; add others as required.
-
- A. Section 03300 - Cast-In-Place Concrete.
-
- B. Section 08342 - Fiberglass Doors and Frames.
-
- C. Section 11201 - Wash Troughs.
-
- D. Section 11202 - Effluent (Collection) Troughs (Launders).
-
- E. Section 11203 - Finger Weir Pans.
-
- F. Section 11205 - Density Current Baffle System.
-
- G. Section 11206 - Palmer-Bowlus Flumes.
-
- H. Section 11207 - Parshall Flumes.
-
- I. Section 11208 - Metering Manholes.
-
- J. Section 11286 - Slide Gates and Guides.
-
- K. Section 11305 - Odor Control System.
-
- L. Section 13122 - Pre-Engineered Fiberglass Buildings.
-
- M. Section 13411 - Instrument Consoles.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section.
-
- A. ANSI/AWWA F102 - Matched-Die-Molded, Fiberglass-
- Reinforced Plastic Weir Plates, Scum Baffles, and
- Mounting Brackets; American Water Works Association.
-
- B. ASTM D 256 - Standard Test Methods for Determining the
- Pendulum Impact Resistance of Notched Specimens of
- Plastics.
-
- C. ASTM D 570 - Standard Test Method for Water Absorption of
- Plastics.
-
- D. ASTM D 618 - Standard Practice for Conditioning Plastics
- and Electrical Insulating Materials for Testing.
-
- E. ASTM D 638 - Standard Test Method for Tensile Properties
- of Plastics.
-
- F. ASTM D 696 - Standard Test Method for Coefficient of
- Linear Thermal Expansion of Plastics Between -30 degrees
- C and 30 degrees C.
-
- G. ASTM D 790 - Standard Test Methods for Flexural
- Properties of Unreinforced and Reinforced Plastics and
- Electrical Insulating Materials.
-
- H. ASTM D 2583 - Test Method for Indentation Hardness of
- Rigid Plastics by Means of a Barcol Impressor.
-
- 1.4 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Test results of fiberglass reinforced
- plastic laminate.
-
- C. Shop Drawings: Show:
- 1. Critical dimensions, jointing and connections,
- fasteners and anchors.
- 2. Materials of construction.
- 3. Sizes, spacing, and locations of structural members,
- connections, attachments, openings, fasteners, and
- loads.
-
- D. Samples: 8-inch square sample of fiberglass reinforced
- plastic laminate.
-
- E. Manufacturer's installation instructions.
-
- 1.5 DELIVERY, STORAGE, AND HANDLING
-
- A. Store products indoors and protect from construction
- traffic and damage.
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURER
-
- A. Provide products manufactured by Warminster Fiberglass
- Company; P.O Box 188, Southampton PA 18966-0188; ASD.
- Tel. (215) 953-1260, Fax. (215) 357-7893.
- NOTE ** Delete one of the two following paragraphs;
- coordinate with Division 1 requirements.
-
- B. Requests for substitution will be considered in
- accordance with provisions of Section 01600.
-
- C. Substitutions: Not permitted.
-
- 2.2 WEIR PLATES, SCUM BAFFLES, AND BRACKETS
-
- A. Weir Plates, Scum Baffles, Brackets, and Plates:
- Fiberglass reinforced polyester resin, compression molded
- in matched metal die molds; provide all required lap
- plates, cover plates, and support brackets.
- NOTE ** Cut plates are not recommended. Special sizes,
- however, may necessitate shop fabricated and sealed
- plates. Consult with the manufacturer for
- availability. Delete or edit the following
- paragraph if cut plates are necessary.
- 1. Plates fabricated from cut plate stock with cut
- edges, notches, etc., will not be accepted.
- NOTE ** Custom options, not specified below, are available
- through consultation with the manufacturer. Such
- options include:
- NOTE **
- NOTE ** Closer spacing of baffle brackets
- NOTE ** Anchors for inserting into existing concrete
- NOTE ** Silicone sealant for weir to wall sealing.
-
- B. Fiberglass Laminate Construction: Sheet Molding Compound
- (SMC) for use in water treatment systems.
- 1. Glass content of laminate; 20 percent plus/minus 3
- percent by weight. Resin fillers: 40 percent
- plus/minus 2 percent of resin mixture.
- 2. Final laminate thickness: Plus/minus 10 percent of
- nominal specified thickness.
- 3. Tensile strength (ASTM D 638): 14,000 psi.
- 4. Flexural strength (ASTM D 790): 25,000 psi.
- 5. Flexural modulus (ASTM D 790): 1,000,000 psi.
- 6. Impact, notched, Izod (ASTM D 256): 15 ft-lb/in.
- 7. Barcol hardness (resin-rich surface) (ASTM D 2583):
- 40 minimum, average.
- 8. Water absorption (ASTM D 570): 0.2 percent at 24
- hrs.
- 9. Coefficient of thermal expansion, ave. (ASTM D 696):
- 0.0000105 in/in/degree F.
- 10. Test coupons prepared in accordance with ASTM D 618.
- NOTE ** Delete the following paragraph if not required.
- 11. Chemical resistance: Comply with ANSI/AWWA F102,
- Type II classification.
-
- C. Weir Plates:
- 1. 1/4 inch nominal thickness.
- NOTE ** Delete 1 of the 2 following paragraphs.
- 2. Color: White.
- 3. Color: Turquoise.
- NOTE ** Select the required dimensions.
- 4. Height: 9 inches.
- 5. Height: 12 inches.
- 6. Notches: 2-1/2 inches deep by 90 degrees on 6 inch
- centers.
- 7. Notches: 3 inches deep by 90 degrees on 6 inch
- centers.
- 8. Length: Nominal 5 feet long.
- 9. Length: Nominal 7 feet long.
- NOTE ** Delete either round or square tank paragraph below,
- unless both are required.
- 10. Mounting holes on round tanks: 2-1/2 inches square
- at 20 inches on center to provide a minimum 2 inches
- vertical or horizontal adjustment.
- 11. Mounting holes on rectangular tanks: 4 each, 2-1/2
- inches square at 12 inches on center to provide a
- minimum 2 inches vertical or horizontal adjustment.
- 12. Mounting: 1/2 inch diameter stainless steel anchor
- bolts and 5 inch square fiberglass cover plates to
- prevent short circuiting of water.
- NOTE ** Edit the following paragraph to include required
- dimensions.
- 13. Ends secured with 6 by ____ inch high lap plates to
- allow for horizontal expansion.
- 14. Provide stainless steel anchor bolts.
-
- D. Scum Baffle Plates:
- 1. 1/4 inch nominal thickness.
- NOTE ** Delete 1 of the 2 following paragraphs.
- 2. Color: White.
- 3. Color: Turquoise.
- 4. Height: 12 inches.
- 5. Mounting holes: As required to attach to support
- brackets.
- 6. Lengths as required to suit project conditions, up to
- 12 feet maximum each.
-
- E. Lap Plates:
- 1. Size: 6 by 12 inches.
- 2. Provide as required to secure ends of baffle plates.
- 3. Provide stainless steel hardware to secure baffle
- plates to support brackets and to lap plates.
-
- F. Scum Baffle Support Brackets:
- NOTE ** Delete 1 of the 2 following paragraphs, unless both
- round and rectangular tanks are required.
- 1. Provide at 40 inches on center for round tanks.
- 2. Provide at 36 inches on center for rectangular tanks.
- 3. Size: 3/16 inch thick, 4 inches wide, minimum.
- 4. Slotted to allow at least 1-1/2 inches vertical and
- horizontal adjustment to compensate for inaccurate
- anchor bolt location.
-
- G. Assembly Hardware:
- NOTE ** Delete one of the following two paragraphs.
- 1. Stainless steel, Type 304.
- 2. Stainless steel, Type 316.
- NOTE ** Delete one of the following two paragraphs.
- 3. Provide hook anchors, 1/2 inch by 6 inches by 2
- inches.
- 4. Provide wedge anchors, 1/2 inch by 4-1/2 inches.
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verify that dimensions are correct and project conditions
- are suitable for installation. Do not proceed with
- installation until unsatisfactory conditions have been
- corrected.
-
- 3.2 INSTALLATION, GENERAL
-
- A. Install products in accordance with manufacturer's
- instructions.
-
- B. Ensure that products are installed plumb and true, free
- of warp or twist, within tolerances specified by the
- manufacturer and as indicated in the contract documents.
-
- C. Install in accordance with approved shop drawings and in
- true and proper alignment.
-
- D. Adjust weir plate elevation for flow indicated or as
- directed by the Engineer.
-
- E. When necessary to adjust lengths of plates due to field
- conditions and when approved by the Engineer, seal cut or
- machined edges thus exposed with polyester resin.
- Excessive cutting will not be acceptable.
-
- 3.3 ADJUST AND CLEAN
-
- A. Clean surfaces in accordance with manufacturer's
- instructions.
-
- B. Remove trash and debris, and leave the site in a clean
- condition.
-
- END OF SECTION
-