Document wgxKJzmDNGVDwwn02w1kGbByo

SOUTHWESTERN INDUSTRIAL CONTRACTORS AND RIGGERS, INC. form.rly: CONSTRUCTION DIVISION, SOUTHWESTERN TRANSFER CO., INC. 1730 Bciutt Av. P. O. Bok 1611 El Paso, Texas 79948 (915) 532-3691 1330 South 26th Platt P. O. Bor 20865 Phoenix, Arizona 8S036 (602) 273-1371 527 Wyoming Slvd., S.E. P. O. Box 8057 Albuquerque, New Mexico 87108 (505) 265-7691 June 3, 1970 i American Smelting and Refining Company P. 0. Box 1111 El Paso, Texas Attn: Mr. Joe English Re: Cottrell Addition El Paso Plant Gentlemen: With reference to previous conversations relative to accepted alternate procedure for caisson placement and placement by auger drilling and removal of caissons as concrete is poured, we herewith confirm our offer of credit in the amount of $6,400.00 if proposed new method is acceptable. This method is based on resultant excavations as performed for two test holes on position at Cottrell Site. Please advise immediately if this proposal is acceptable. Very truly yours, SOUTHWESTERN INDUSTRIAL CONTRACTORS AND RIGGERS; INC. RTW:iz