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Manholes

GRP LinerFor 1200 mm

Fiberglass Liner for 1200 mm Concrete Manhole

Description

Amiantit Fiberglass manhole liners are flexible composites constructed of a thermo setting resin, glass fiber reinforcement with silica sand and additives as required The manhole is a 1200 mm cylinder with a flat shaped eccentric reducer (termed the Flat Cone I at tire top to form the narrower 600 mm Manway. The flat cone and cylindrical portion are manufactured separately and are factory joined with a contact molded fiberglass joint to produce a one piece inner liner for concrete a 1600 mm, fiberglass cylinder may he used as the outside form for the concrete (optional).

Use and Application

The product is suitable for use in corrosive environments including storm sewer and sanitary sewers other environments may be suitable upon approval of Amiantit Fiberglass

The manhole liner is designed to be used as an inside and outside liner for a concrete structure Therefore this type of product is not designed to be used directly as a structural manhole without concrete reinforcement.
The ring and cover must rest on a course of bricks or a concrete ring not the fiberglass support ledge, All surcharge load must be applied to the ring and cover.
Holes or arches may be cut in the cylindrical portion of the manhole using a circular saw sabre saw or , similar equipment with a masonry type blade Axes, hammers, chisels or similar tools must not be used: to make cuts in the manhole.

PRODUCT REQUIREMENT

Property

Specification

Reject

Repairs

Visual Inspection

Note Repaired area not to exceed 5c°~0c° of the interior surface.

Number of patches not to exceed an average of 1 per meter of pipe surface, plus up to 5 patches on the cone interior and 5 patches on the coneexterior.

Exceeding specification

Dimensions

Tape measure or steel rule as noted on sketch

As noted on sketch

VISUAL STANDARDS

Amiantit Fiberglass Manhole is to be commercially free of the following defects:

Defect	Definition
Fuzz	Glass fibers loosely adhering to the pipe which are not wet out with resin
Protruding Fibers	Glass fibers sticking out from pipe surface that are wet out with resin
Resin Runs	Runs of resin and sand on surface of pipe

The following visual limits apply:

Defect	Definition	Allowable Limits
Defect	Definition	External Surface 1600 mm	Internal Surface 1200 mm
Delamination	Separation in the laminate	None
Blisters	Light (straw) colored areas resulting from too hot a cure	None to exceed 12.5 mm in diameter
Craze	Crack on inner surface, usually star shaped; caused by sharp impact	N/A	None
Surface Pits	Small air pockets on the surface or directly beneath the surface mat Laminate beneath is solid. Surface mat can be broken by blunt object	N/A	None < 16mm deep. 20mm dia or more than 20 per sq m exceeding 10 mm
Wrinkles	Smooth irregularities on the inner surface	N/A	None < 3.2 mm deep
Dry Area	Area in laminate with glass not wet out with resin	Commercially free	None
Torn Edges, End Delaminations & End Gouges	Tears and rips in the edges of cuts	None < 200 mm axially or 250 mm circumferentially
Ground Area	Area around layup which has been abraded but layup does not cover	Permitted	None
Hand Layup Ragged Edges	Areas at the edge of hand layup that are not rolled down properly and that are rough	None	N/A

HANDLING AND STORAGE REQUIREMENTS:

Manholes may be lifted by supporting from the underside of the cone covering support ledge or by a sling around the manhole. Use of chains or cables in contact with the manhole surface should be avoided.

Caution: Workmen should wear gloves when handling manhole to protect hands from rough exterior surface. Manholes must be stored upright (vertically with the cone at the top).Do not drop the manhole or impact it.

CUSTOMER INSPECTION

Customer is responsible for inspection of the manhole(s) for shipping damage at the time of delivery and must note any damage on the Bill of Lading at that time. Customer is responsible for visually inspecting the manhole upon delivery for adherence to the product standard set forth herein.

WARRANTY

The Company Warrants that the Products have been manufactured in accordance with the Customer Acceptance Standard.

The Company further Warrants that the Products are free from defects in manufacturing, workmanship or materials.

This Warranty shall extend to a period of 18 months from date of shipment or 12 months from the date the product is put in service, whichever occurs first. Pursuant to the above Warranty, the Company shall guarantee to the Buyer that it shall promptly, after receipt of notice from Buyer, and at its sole discretion, either repair or replace on site or proÂvide a replacement part ex factory for any items that the Company will find defective or, when applicable, make good any deviation from the Customer Acceptance Standard The aforesaid work shall be accomplished at no additional cost to Buyer provided the defects or damages are not due to the negligence of, misuse, mishandling or misapplication by, the Buyer's agents and servants

If pursuant to this Warranty, any products are repaired or replaced, the provisions of this Warranty shall then apply to said repaired or replaced products for a period of 12 months from the date such repairs or replacements are completed or in the case of the provision of a replacement part exÂfactory from the date of shipment thereof. Liability hereunder does not cover labor or installation costs

No other Warranties can be implied. The above Warranty does not cover damages due to causes falling beyond the reasonable control of the Company. The Company shall in no event be held liaÂble for indirect or consequential damages sustained by the Buyer. The foregoing constitutes the entire obligation of the Company, unless otherwise agreed upon in writing between the Company and the Buyer.