CALL US TODAY ON: 03 384 9934 or visit: www.gracolcomposites.co.nz

Gracolite FRP Trench Covers

Technical Data Guide

CALL US TODAY ON: 03 384 9934 or visit: www.gracolcomposites.co.nz

Gracol Composite FRP Trench Covers GRACOL FRP Trench Covers are a simple, long lasting solution. Our trench covers are made from fibreglass reinforced plastic which is an extremely versatile material combining light weight with inherent strength to provide an immensely resilient, long lasting finished product.

The Benefits of FRP Trench Covers

Excellent Corrosion resistance Impact Resistance 70% Lighter than steel Slip resistance Non-Conductive Chemical resistant Simple and lightweight to install without using

lifting equipment. Covers can be quickly removed for trench access

without the use of lifting equipment Improves safety

Choosing Gracol Trench Covers will ensure safety for all personnel, longevity of the product and zero maintenance, therefore saving your business precious time and money.

Gracolite FRP Trench Covers

CALL US TODAY ON: 03 384 9934 or visit: www.gracolcomposites.co.nz

Gracol Composite FRP Trench Covers

Gracolite FRP Trench Covers

Typical Material Properties Resin Glassfibre

Density kg/m³ (Specific Gravity) 1200 2100

Hardness (Barcol) 38 45

Tensile Strength Mpa 55 207

Modulus of Elasticity GPa / (Tensile Modulus) 3.5 16

Compressive Strength MPa 140 18

Flexural Strength MPa 78 182

Interlaminate Shear Strength MPa n/a 9

Water Absorption % 0.15 0

Voltage breakdown (k volts/mm) - 18

Thermal Conductivity W/m °C 0.21 0.29

Max Operating Temp (deg. °C) 140 200

Specific Heat (kJ/kg °C ) 2.3 n/a

Material

Two main components produce Gracolite FRP Trench Lids resin and glass fibres. There are various types of resin systems depending on the application. Isopthalic, Orthopthalic, Vinylester and Phenolic. Isopthalic & Orthopthalic polyesters are the most widely used resin types and are suitable for most

Gracol Composite FRP Trench Covers

Gracolite FRP Trench Covers

Gracolite Lid Standard is a fibreglass structural flooring solution. Two high strength fibreglass solid plates

are bonded to each side of a fibreglass mesh core material. Permaslab exhibits an incredible strength to

weight ratio producing a composite flooring structure that is stiff, strong, light-weight, non-corrosive, durable and maintenance free with an antislip surface. Size Specification

The finished product is available in several panel thicknesses and lengths/widths. Bespoke sizes are available on request

Depth Panel Size Weight/m2 Panel Specification

19mm 3.66m x 1.22m 19kg 12.7mm grating core

+3mm fibreglass Plate (top)

+3mm fibreglass plate (bottom)

37mm 3.66m x 1.22m 36kg 25mm grating core

+6mm fibreglass Plate (top)

+6mm fibreglass plate (bottom)

42mm 3.66m x 1.22m 38.5kg 30mm grating core

+6mm fibreglass Plate (top)

+6mm fibreglass plate (bottom)

50mm 3.66m x 1.22m 42kg 38mm grating core

+6mm fibreglass Plate (top)

+6mm fibreglass plate (bottom)

62mm 3.66m x 1.22m 46kg 50mm grating core

+6mm fibreglass Plate (top)

+6mm fibreglass plate (bottom)

74mm 3.66m x 1.22m 70kg 50mm grating core

+12mm fibreglass Plate (top)

+12mm fibreglass plate (bottom)

Gracolite Trench Cover Standard

Gracol Composite FRP Trench Covers

Gracolite FRP Trench Covers

Depth Panel Size Weight/m2 Panel Specification

18mm 3.66m x 1.22m 15kg 12.7mm grating core

+5mm fibreglass Plate (top)

25mm 3.66m x 1.22m 19kg 20mm grating core

+5mm fibreglass Plate (top)

30mm 3.66m x 1.22m 24kg 25mm grating core

+5mm fibreglass Plate (top)

35mm 3.66m x 1.22m 26kg 30mm grating core

+5mm fibreglass Plate (top)

41mm 3.66m x 1.22m 30kg 38mm grating core

+3.3mm fibreglass Plate (top)

55mm 3.66m x 1.22m 34kg 50mm grating core

+5mm fibreglass Plate (top)

65mm 3.66 x 1.22mm 60mm grating core

+5mm fibreglass Plate (top) 55kg

Gracolite Trench Cover Light

Gracolite Lid Light/Standard Lid is a fibreglass structural flooring solution. Two high strength

fibreglass solid plates are bonded to each side of a fibreglass mesh core material. Gracolite Trench Lids exhibit an incredible strength to weight ratio producing a composite flooring

structure that is stiff, strong, light-weight, non-corrosive, durable and maintenance free with

an anti-slip surface.

Size Specification The finished product is available in several panel thicknesses and lengths/widths. Bespoke sizes

are available on request.

Gracol FRP Trench Covers

Thickness Kg/m2 250 300 500 600 750 1000 1200 1500 1750 2000 2500 3000 3500 4000

18 15 2791 2325 1073 621 318 134 78 40 25 17 9 5 3 2

18 15 1260 875 315 219 140 79 55 35 26 20 13 9 6 5

26 19 5819 4849 3231 1870 957 404 234 120 75 50 26 15 9 6

26 19 2770 2308 844 586 375 211 146 94 69 53 34 23 17 13

30 24 10227 8523 6552 3792 1941 819 474 243 153 102 52 30 19 13

30 24 4868 4057 2010 1396 894 503 349 223 164 126 80 56 41 31

35 26 14127 11772 7063 5886 3128 1320 764 391 246 165 84 49 31 21

35 26 6993 5827 3083 2141 1370 771 535 343 252 193 123 86 63 48

41 30 17986 14988 8993 7494 4665 1968 1139 583 367 246 126 73 46 31

41 30 8560 7134 4112 2856 1828 1028 714 457 336 257 164 114 84 64

55 34 26112 21760 13056 10880 8704 3834 2218 1136 715 479 245 142 89 60

55 34 12926 10771 6463 4685 2999 1687 1171 750 551 422 270 187 138 105

68 55 66008 55007 33004 27503 22003 11981 6934 3550 2235 1498 767 444 279 187

68 55 32674 27228 16337 13614 10413 5857 4068 2603 1913 1464 937 651 478 366

Gracol Light Trench Cover Load Table

Shaded red = UDL load in KG/m2 for 1% deflection

Shaded White = Point Load 1% deflection of span KG

* load is based on 1m wide panels: ie. Values would be halved for a panel 500mm wide.

Gracolite Trench Lid

Point Load Testing

Gracolite Trench Lid

UDL Load Testing

Gracol FRP Trench Covers

Thickness Kg/m2 250 300 500 600 750 1000 1200 1500 1750 2000 2500 3000 3500 4000

19 17.3 8616 7180 3441 1991 1019 430 249 127 80 54 28 16 10 7

19 17.3 3738 2596 934 649 415 234 162 104 76 58 37 26 19 15

37 36 34285 28571 17143 14285 8026 3386 1960 1003 632 423 217 125 79 53

37 36 16971 14143 7357 5109 3270 1839 1277 817 601 460 294 204 150 115

42 38.5 41374 34478 20687 17239 10994 4638 2684 1374 865 580 297 172 108 72

42 38.5 20480 17067 10078 6999 4479 2520 1750 1120 823 630 403 280 206 157

50 42 53328 44440 26664 2220 16870 7117 4119 2109 1328 890 456 264 166 111

50 42 26398 21998 13199 10739 6873 3866 2685 1718 1262 967 619 430 316 242

62 46 73364 61137 36682 30568 24455 12141 7026 3597 2265 1518 777 450 283 190

62 46 36315 30263 18158 15131 11725 6595 4580 2931 2154 1649 1055 733 538 412

74 70 138969 115807 69484 57904 46323 27450 15885 8133 5121 3431 1757 1017 640 429

74 70 48786 36112 20114 19662 17622 14911 10355 6627 4869 3728 2386 1657 1217 932

Gracol Heavy Duty Trench Cover Load Table

Shaded red = UDL load in KG/m2 for 1% deflection

Shaded White = Point Load 1% deflection of span KG

* load is based on 1m wide panels: ie. Values would be halved for a panel 500mm wide.

Gracolite Trench Lid

Point Load Testing

Gracolite Trench Lid

UDL Load Testing

Gracol FRP Trench Covers

Colour and Surface Finish

The product can be made in any RAL colour.

( Colour range is more limite d for Class 0 fire rated product).

Fire Certificate

Class 2 ASTM E84 standard ortho/iso grade resin.

Class 0 USCG Grade

Anti - slip Certification

R13 AS4663:2004

Load Certification Equivalent to:

50 mm AS 3996 Class B @ 600mm Span 5 Ton Rated

74 mm AS 3996 Class B @ 1280mm Span 5 Ton Rated

3996 74 mm AS Class B @ 1500mm Span 5 Ton Rated

Product Specification

Characteristics Unit Reference

Tensile Strength 140 M pa ASTM D1037 93

Modulus of Elasticit y 13 Gpa ASTM D1037 93

Flexural 140 M pa ASTM D1037 9 3

Compressive 140 Mp ASTM D1037 93

Voltage breakdown 18 K volts /mm ASTM D149

Density kg/m ³ ( Specific Gravity ) 2100 ISO 9001

Thermal Expansion Factor 13 x 10 - 6 mm/mm o C ISO 9001

Water Absorption rate 0.45 x 24 hrs ASTM D570

Operating Temperat ure - 100 o C to +200 o C ISO 9001

Flammability resistance Class 2, option of Class 1 or Class 0 ASTM E84

Weatherability Pass MOAT 22

An- - Slip Surface

1.04 CoF (Enhanced slip resistance )

R13 AS4663:200 4

Chemical Resistance

Gracolite Lids standard product is resistant against wide a range of chemicals across wide temperature spectrum.

Gracolite Lids can be made of different resin systems to achieve specific chemical resistant properties.

Refer to Chemical Resistance Charts.

Material Safety

This section provides data for protection against substances hazardous to health.

Material Identification and Use Chemical Name: Fibreglass Reinforced Polyester

Common Name: FRP (Fibreglass Reinforced Plastics, Fibreglass)

Product Identification: Gracolite FRP Trench Lid

Uses: Structural flooring, duct, trench or gully covers

Composition

Glass fibres, thermosetting plastic resin, catalysts, styrene, aluminium oxide, pigments. Components are chemically and thermally cured and bonded together.

Hazard Identification

None by contact. Dust produced by cutting or grinding can penetrate pores and skin causing itching.

Avoid breathing dust.

First Aid procedure: Skin – shower with water and soap. Eyes – flush with sterile eye wash solution.

Product Appearance

Solid, flat panels. Sharp edges, grit applied to top surface. Zero odours. Not solvable in water. Standard

colour Grey RAL 7047, others available on request.

Fire Fighting Measures

Standard extinguishing equipment, water, foam, A, B or C fire extinguishers. Produces black smoke while

burning, carbon particles. Use air respirator.

Waste Disposal Product is not considered a hazardous waste. Abide by local laws and procedures.

Handling/Cutting

Wear masks and goggles when cutting or grinding. Cover exposed parts of the body. Wear gloves when

moving or lifting. Use diamond tipped tools for cutting. Avoid direct fire source.

Warranty

Gracolite FRP Trench Lids are covered by warranty, offering complete peace of mind. Details available on request.

Gracol FRP Trench Covers