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4

NEWNATURAL

ROCKCLIMBERS

Bedrock

See page 7 on this rock climber

that also can be used as ADA

transfer station.

Made with Durable GFRC?

GFRC ia a glass fiber reinforced

concrete (GFRC): A concrete mix

reinforced throughout with chopped

glass fibers. Cement used shall be

Type 1 Portland cement meeting

the requirement of the ASTM C 150.

Fine, clean, dry sand, able to pass a

No. 20 sieve, free of contaminants

or deleterious matter and meeting

composition requirements of ASTM

C144. Glass Fibers specially designed

for use in concrete; shall be alkali-

resistant (AR) fiber and chopped to

18mm lengths, with 12mm lengths

in any topical coat. Concrete shall

have integral color that shall be

harmless to concrete strength, alkali-

resistant, shall not to exceed 10% of

amount of cement, and conforming

to the requirements of ASTM C979

for color steadfastness. Minimum

physical properties shall be: 1500

pounds per square inch in tension

and 5000 pounds per square inch in

compression.