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- SECTION 11208
-
- METERING MANHOLES
- NOTE ** Warminster Fiberglass Co. metering manholes.
- 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 11208 - METERING MANHOLES, Copyright 1997,
- The Architect's Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
-
- A. Metering manholes.
-
- 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 11205 - Density Current Baffle System.
-
- H. Section 11206 - Palmer-Bowlus Flumes.
-
- I. Section 11207 - Parshall Flumes.
-
- 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 618 - Standard Practice for Conditioning Plastics
- and Electrical Insulating Materials for Testing.
-
- D. ASTM D 638 - Standard Test Method for Tensile Properties
- of Plastics.
-
- E. ASTM D 696 - Standard Test Method for Coefficient of
- Linear Thermal Expansion of Plastics Between -30 degrees
- C and 30 degrees C.
-
- F. ASTM D 790 - Standard Test Methods for Flexural
- Properties of Unreinforced and Reinforced Plastics and
- Electrical Insulating Materials.
-
- G. ASTM D 2583 - Test Method for Indentation Hardness of
- Rigid Plastics by Means of a Barcol Impressor.
-
- H. ASTM D 3753 - Standard Specification for Glass-Fiber-
- Reinforced Polyester Manholes.
-
- 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 METERING MANHOLES
-
- A. Fiberglass Laminate:
- 1. Tensile strength (ASTM D 638): 14,000 psi.
- 2. Flexural strength (ASTM D 790): 25,000 psi.
- 3. Flexural modulus (ASTM D 790): 1,000,000 psi.
- 4. Impact, notched, Izod (ASTM D 256): 15 ft-lb/in.
- 5. Barcol hardness (resin-rich surface) (ASTM D 2583):
- 40 minimum, average.
- 6. Coefficient of thermal expansion, average (ASTM D
- 696): 0.000105 in/in/degree F.
- 7. Test coupons prepared in accordance with ASTM D 618.
- NOTE ** Delete the following paragraph if not required.
- 8. Chemical resistance: Comply with ANSI/AWWA F101,
- Type II classification.
-
- B. Construction: Fiberglass reinforced plastic, complying
- with ASTM D 3753; factory-assembled, ready for
- installation except for field-installed equipment.
- 1. Interior surface smooth and resin rich; free of pits,
- porosity, cracks, crazing, and dry glass.
- 2. Exterior laminate: 1/2 inch thick, minimum,
- consisting of polyester resin with 25 percent minimum
- glass content.
- 3. Cover: 1/4 inch thick fiberglass, hinged one side,
- with hasp for locking; provide soft neoprene sponge
- gasket for sealing.
- 4. Inlet and outlet pipes: Integrally molded to manhole
- with laminates on both the interior and exterior
- surfaces; inlet and outlet boots with stainless steel
- straps to diameter of inlet and outlet pipe.
- 5. Access ladder: Fiberglass; bolted to manhole wall.
- 6. Mounting flange: 4 inch, integrally molded around
- circumference of manhole for anchoring to concrete
- pad.
- 7. Gasket: 1/2 inch thick neoprene sponge pad.
- NOTE ** Delete all but one of the following size
- descriptions, unless more than one size is
- required. In that case, indicate sizes on the
- drawings.
- 8. Size: 48 inch diameter, with 51 inch diameter cover.
- 9. Size: Reduced manway, 21 inch diameter opening.
- 10. Size: Reduced manway, 24 inch diameter opening.
- 11. Size: As indicated on drawings.
- 12. Height: As indicated on drawings.
-
- C. Flume Assemblies: Laminate flumes into manholes to form
- a totally watertight assembly.
- 1. For flumes longer than manhole diameter, cover flume
- with fiberglass plate of sufficient strength
- laminated to make watertight seal and to withstand
- loads when backfilled.
- NOTE ** Plamer-Bowlus flumes will be from 4 inches to 24
- inches.
- NOTE ** Parshall flumes will be from 2 inches to 24 inches.
- 2. Flume sizes: As indicated on drawings.
- NOTE ** Delete any of the optional accessories, below, that
- are not required.
-
- D. Accessories:
- 1. Anchor bolts: Type 304 stainless steel.
- 2. Full open, hinged cover with locking latch.
- 3. Staff gauge graduated in 50 divisions per foot
- mounted inside flume.
- 4. Staff gauge graduated in inches mounted inside flume.
- 5. Stilling well, 10 inches diameter.
- 6. Bubbler tube.
- 7. Tracks for probes, molded in.
- 8. Bushing for ultrasonic transponder mounting.
- 9. Bulkhead fittings.
-
- 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. Verify that concrete slab is level and smooth trowelled.
- Level with grout if necessary. Ensure that piping is
- self supported by bedding.
-
- D. Handle manhole using slings of nylon or similar fabric.
- Do not drop or impact.
-
- E. Place sponge pad on concrete slab. Drill holes in
- accordance with template for stainless steel anchor
- bolts.
-
- F. Lower manhole onto pad and install anchor bolts.
-
- G. Check level of flume in both planes, and adjust as
- required.
-
- H. Connect piping. Do not lubricate neoprene boots. Secure
- with stainless steel clamp.
-
- I. Backfill with pea gravel, 1/4 inch to 3/4 inch diameter,
- specified in Division 2, using uniform lifts not
- exceeding 12 inches.
-
- J. Where cut holes are required, seal as directed by the
- Engineer.
-
- 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
-