Our CHANCE 174 brand is the leading provider of earth anchors and anchor installation tooling Installation tooling and instructions sheets are available for each family of anchors Adapters Anchor Drive End Anchor Tool Fasteners Bent Arm Pin Coil Lock Expanding Tamping Bar Helical Installation Tool Locking Dog Assembly No Wrench Anchor Tool Pipe Drive Tool Anchoring amp Foundations Anchor Pile Installation Tools Cross Plate Disk Anchor amp Rod Expanding Expanding Plate Anchor Rod amp Extension View All Anchoring amp Foundations Categories Arresters Arresters Distribution IEC Distribution IEEE Line Surge LSA Substation IEC Substation IEEE View All Arresters Categories Connectors Connectors A helical anchor pile is a segmented system with helical bearing plates welded to a central steel shaft Load is transferred from the shaft to the soil through these bearing plates Central steel shafts are available in either Type SS Square Shaft series or Type RS Round Shaft series The Type SS series are available in 1 1⁄2 quot to 2 1⁄4 quot square Encyclopedia of Anchoring CA06114E Encyclopedia of Anchoring CA06114E First page Table of contents Previous page 2 Next page Last page Made with FlippingBook Online Brochure Maker A helical anchor pile is a segmented system with helical bearing plates welded to a central steel shaft Load is transferred from the shaft to the soil through these bearing plates Central steel shafts are available in either Type SS Square Shaft series or Type RS Round Shaft series The Type SS series are available in 1 1⁄2 quot to 2 1⁄4 quot square sizes The Type RS series are available

Anchor Pile Installation Tools Our CHANCE 174 brand is the leading provider of earth anchors and anchor installation tooling Installation tooling and instructions sheets are available for each family of anchors The Chance Encyclopedia of Anchoring is based on more than 100 years of Chance anchoring leadership It is an accumulation of anchoring knowledge that is unsurpassed Rely on the Encyclopedia as your source for anchoring know how and look to Chance to bring you even more expertise Your anchoring will be better for it Anchoring amp Foundations Hubbell Power Systems Inc continues to lead the electric utility and telecommunication industries in supplying anchors and helical foundations More than 100 years ago the CHANCE 174 brand of anchors started with one factory in Centralia Missouri The CHANCE line of anchors and foundations comes with a rich history of 29 05 2018 nbsp 0183 32 For many decades Hubbell maintained a modest and unassuming profile manufacturing the important products invented by its founder Harvey Hubbell II one correspondent for Forbes admonished his readers in 1977 that quot unless you are reading this on safari there is probably a Harvey Hubbell invention within six feet of you right now quot The a When evaluating anchor types install three or more at each test site b Install the anchors as close as possible usually within 3 to 5 feet of adjacent anchor c Drive each anchor at the same constant rate of rotation d Weaving affects torque and bearing strength hold weaving to a minimum e Employ the same driving angle f

hubbellcdnThe anchor may be installed with either 3 1 2 foot rod or the standard seven foot rod A combination of either the 31 2 or 7 foot rods may be used Recommended maximum installing depth is 14 feet because tool recovery is difficult beyond this depth The early PISA 174 4 anchor with its 1 3 8 inch hub was limited to semi plastic soils so Chance engineers The preload alone is gt about 1 800 lb per anchor 15 of breaking strength per guy gt Well someone mentioned that the Rohn screw anchor is good for 2 500 lb gt in normal soil a local utility company rep confirmed that the soil in gt my area is normal That makes it clearly unsuitable for my tower I gt think it has a 4 inch diameter screw and goes down about 3 feet I The preload alone is gt about 1 800 lb per anchor 15 of breaking strength per guy gt Well someone mentioned that the Rohn screw anchor is good for 2 500 lb gt in normal soil a local utility company rep confirmed that the soil in gt my area is normal That makes it clearly unsuitable for my tower I gt think it has a 4 inch diameter screw and goes down about 3 feet I ENCYCLOPEDIA OF ANCHORING POWER INSTALLED FOUNDATIONS GUY ANCHORS AND INSTALLING EQUIPMENT 169 Copyright 2004 HUBBELL CHANCE CENTRALIA MO 65240 SECTION D www hubbellpowersystems com E mail hpsliterature hps hubbell com Phone 573 682 5521 Fax 573 682 8714