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<br /> (D() , <br /> . <br /> Required Modifications <br /> 1- Elevat:ion 110'-130' and 170'-190', modify the exisL.ng <br /> single laced bracing pattern by installing additional <br /> bracing to result in a double laced bracing patr.:er:1 <br /> upon completion. (40' of tor..Jer to be double laced. ) <br /> It is the contractors responsibility to insure that <br /> all practices and procedures utilized during any <br /> tmo/er work do not endanger the safety of his personnel <br /> nor the structural integrity of the tower. <br /> If you elect to proceed with these modifications, [tIe <br /> suggest that any quotations that are so 1 ic ited from <br /> qualified tor..ler erectors to install materials are pe!: <br /> installation drawings and not per our repor t. <br /> Comments <br /> The 700' Rohn 80 guyed tower located at Arden, HN does meet <br /> the specifications of TlA/ElA-222-F with existing and pro- <br /> posed 10uding providing all information as supplied to EEl <br /> is correct and current and all modifications as outlined in <br /> this report are completed and existing foundations are . <br /> determined to be adequate including safety factors as de- <br /> fined by TlA/ElA-222-F. If tower loading is changed or <br /> altered in any way, we suggest an additional analysis be <br /> completed. <br /> He would like to point out the fact that we did try analyz- <br /> ing the subject tower with an additional level of cellular <br /> antennas at the 120' elevation per your request. HOVlever, , <br /> due to overstressing in the tower legs, the large number of <br /> antennas pres en tly on the towerl the height of the tower and <br /> the fact that we analyzed the tower with no ice loading per <br /> your request we o;uggest no additional loading be installed <br /> on the subject tOHer. <br /> He do recommend that the tOHer owner excavate adiacent to <br /> the exis_ting anchor shafts to inspect for excessive rust. <br /> Please note the s ha f ts ,should be inspected all the way to he <br /> point when it enters the concrete. Caution to not disturb <br /> the shaft with mechanical equipment such as -" back hoe. He <br /> would like to reiterate the importance that the shafts <br /> should be th~ first item of concern before anY of the modi- <br /> fications Slse comoleted or the J2..l:QJ2oseg antennas can be <br /> installecj. <br /> Upon request He can furnish fabrication, ins talla t ion de- . <br /> tails with materials to allow antenna installation and/or <br /> 3 <br /> ------- <br />