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- SECTION 11205
-
- DENSITY CURRENT BAFFLE SYSTEM
- NOTE ** Warminster Fiberglass Co. density current baffle
- system.
- 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 11205 - DENSITY CURRENT BAFFLE SYSTEM,
- Copyright 1997, The Architect's Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
-
- A. Density current baffles.
-
- 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 11204 - Weir Plates, Scum Baffles, and Brackets.
-
- 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 F101 - Contact Molded, Fiberglass-Reinforced
- Plastic Wash Water Troughs and Launders; 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 648 - Standard Test Method for Deflection
- Temperature of Plastics under Flexural Load.
-
- G. ASTM D 696 - Standard Test Method for Coefficient of
- Linear Thermal Expansion of Plastics Between -30 degrees
- C and 30 degrees C.
-
- H. ASTM D 790 - Standard Test Methods for Flexural
- Properties of Unreinforced and Reinforced Plastics and
- Electrical Insulating Materials.
-
- I. 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, and fasteners.
- 4. Field measurements or plans.
-
- 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 DENSITY CURRENT BAFFLE SYSTEM
-
- A. Material: Fiberglass reinforced polyester resin
- composite laminate, having the following physical
- characteristics:
- NOTE ** Delete 1 of the 2 following paragraphs.
- 1. Color: White.
- 2. Color: Turquoise.
- 3. Tensile strength (ASTM D 638): Minimum 9,000 psi.
- 4. Flexural strength (ASTM D 790): 16,000 psi.
- 5. Flexural modulus (ASTM D 790): 900,000 psi.
- 6. Impact, notched, Izod (ASTM D 256): 10.0 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. Heat distortion point, (ASTM D 648): 175 degrees F.
- 10. Coefficient of thermal expansion, average (ASTM D
- 696): 0.0000105 in/in/degree F.
- 11. Test coupons prepared in accordance with ASTM D 618.
- NOTE ** Delete the following paragraph if not required.
- 12. Chemical resistance: Comply with ANSI/AWWA F101,
- Type II classification.
-
- B. Baffle Segments:
- 1. Molded of fiberglass-reinforced polyester resin
- composite laminate, minimum 3/16 inches wall
- thickness, with minimum 20 mil thick gel coat each
- surface.
- 2. Mold integral mounting flange 1/4 inch thick along
- top edge, factory drilled for anchors.
- 3. Mold face sloping inward and downward to resist
- solids build-up.
- 4. Mold integral reinforcing flange 1/4 inch thick at
- bottom edge to resist sag and uplift.
- NOTE ** Delete one of the following two paragraphs.
- 5. For rectangular tanks, mold baffle segments straight.
- 6. For round tanks, mold baffle segments curved for tank
- radius indicated on drawings.
- 7. Factory-drill holes for end-to-end connection of
- baffle segments in field.
- 8. Resin coat all cut edges and drilled holes.
-
- C. Mounting Brackets: Angle brackets fabricated of same
- composition as baffle segments.
- 1. Provide two support brackets for each baffle segment.
- 2. Factory-drill holes for end-to-end connection of
- baffle segments in field.
- 3. Resin coat all cut edges and drilled holes.
-
- D. Fasteners: 3/8 inch diameter wedge anchor bolts and
- fasteners of Type 316 stainless steel.
-
- 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
-
- 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. Mounting Brackets: Install two brackets per baffle
- segment, equally spaced; anchor to substrates using 3/8
- inch diameter stainless steel wedge anchors.
-
- E. Baffle Segments: Install to full extent indicated on
- drawings; secure to brackets using stainless steel
- fasteners.
-
- 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
-