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  Lane International Corp.   Manhole Steps and Ladders  

Manhole Steps - Page 5

   

Manhole Steps and Ladders

LaneManhole Steps ... Injection molded of tough Copolymer Polypropylene

SPECIFICATIONS
All Lane Poly Steps meet the requirements of ASTM C-478 and AASHTO M-199. The polypropylene conforms to ASTM D-41 01. The 1/2" Grade 60 deformed reinforcing bar meets ASTM A-615.		 Lane Poly Steps
INSTALLATION
Drive into preformed holes with a 6 to 10 lb. sledge hammer, after concrete is cured to 3,000 PSI minimum.

Steps can be driven into two parallel 1" diameter drilled holes, 1 3" or 1 Off on center, 31/2" deep.

The above methods will resist a pullout force of over 1,500 Ibs.

Lane Poly Steps    Lane Poly Steps



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