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Manhole Liner

 

Customer Acceptance Standard 1200 mm and 1000 mm Fiberglass Manhole w/600 mm Manway

 

General

Amiantit Fiberglass Manholes are flexible composites constructed of a thermo setting chemical resistant polyester resin, glass fiber reinforcement with silica sand and additives as required The manhole is a 1200 mm or 1000 mm cylinder with a hemispheric ally shaped concentric reducer (termed the cone' ) at the top to form the narrower 600 mm manway The cone and cyclindrical portion are manufactured separately and are factory joined with a contact molded Fiberglass joint to produce a one piece manhole Fiberglass manholes conform to the ASTM Specification for Glass Fiber Reinforced Polyester Manhole specification D 3753 79.

 

Physical Properties

Ultimate compressive strength in the axial direction. when measured according to ASTM D695 s 985 Kg cm

 

Cylinder stiffness (tested according to ASTM D2412) 

Manhole Length (mm)

Minimum Stiffness(KPa)

1000 – 1800

4.96

 2000 – 3600

8.69

 3800 – 7600

20.82

 

Use and Application

The product is suitable for use m corrosive environments including cooling water lines storm sewers, any sanitary sewers with a temperature range of 40°C to 65°C. The manhole is designed for internal non pressure usage except for the head of any contained liquid. Fiberglass manholes must be installed in accordance with Amiantit Fiberglass installation instruc­tions The latest edition or revision to this publication is applicable and will be given to the custo­mer upon his submittal of the Purchase Order. 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.

Maximum single cutout hole diameter is 750 mm for the 1200 mm manhole and 600 mm for the 1000 mm manhole. Sum of all cutouts cannot exceed 1900 mm for the 1200 mm manhole and 1500 mm for the 1000 mm manhole.

 

Product Requirements

Characteristic

or Property

Specification

Reject

Load Bearing

Capacity

Manholes shall have a minimum dynamic - load rating of 7.256 Kg (71.171 N) when tested in accordance to Section 8 4 of ASTM D 3753. To establish this rating, the complete manhole shall not leak, crack or stiffer damage when load tested by an 18.144 Kg (177.929 N) eccentric static load.

Failure of manhole at less than 18.144 Kg eccentric static: load

Deflection Under

Allowable Load

Maximum 6 35 mm cinder 10.886 Kg (106.757 N) eccentric static; load

More than 6 35 mm deflection

Roundness

The manhole cylinder shall be round

Roundness deviation greater

'than 2%

Repairs

Visual Inspection Repaired area not to exceed 5°,,o 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 cone exterior

Exceeding Specification

Dimensions

Tape measure or steel rule as noted on page 4

As noted on page 3

Note Extra strength manholes, load tested to 26.000 Kg (254.968 N) are also available from Amiantit Fiberglass 

 

SPECIFICATION

(MM)

TOLERANCE

(MM)

DIMENSION(mm)

1200 mm

1000 mm

Variation Along Manholes

Variation On Single Manholes

A(1)

95

100

± 12 5

± 7

b

135

115

±7

± 7

c

600

± 7

± 7

d (ID)

1200

1000

± 1%

± 7

e

485

310

± 7

± 7

f

1000 through 7600 MM

± 50

± 12.5

 

 

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

External Surface

Internal

Surface

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 > 16 mm deep 20mm dia or more than 20 per sq more

exceeding 10 mm

Wrinkles

Smooth irregularities on the inner surface

N A

None  greater than

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 greater than 2 0 cm axially or

2 5 cm 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 may be stored upright (vertically with the cone at the top) or horizontally When story horizontally do not stack over three high. 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 delivery note at that time. Customer is responsible for visually inspecting the, manhole upon delivery for adherence to the product standard set forth herein. Customer shall provide that the manhole is installed in accordance with Amiantit Fiberglass recommended procedures.

 

 

Installation

AFIL Installation specifications have been developed to assure the manhole will perform as designed and therefore must be adhered to during installation of the manhole The manholes should be installed accordance to the Installation Instructions

 

 

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, ether repair or replace on site or pro­vide 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 Buyers 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 ex­-factory 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 lia­ble 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.

SMH CAS JUNE 1994

Amiantit Pipe Systems
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