At the outeet, it must be stated that the ootimm plen far Teonzi operations is exe in hich an ebsolute minimm of construction is required. The basic UCRL viewpoint is that euch an operation is totally sea and eirbornas. Taonzi itself should be leoked upon for Hardtack eas only an eren of quiet vater in which to mea shot barges. . It is pertinent to any discussian of developmental cost, therefore, to state tus tesks which need be performed prior to the first shot. These ere: a. Lagoon Access Holmes end Nerver, Inc., heave eansiiiered in their cost estimates e chenvel 300 fest vide and eo clear depth of 20 fect at mean lov water. This chame) would de apnroximately 500 fect lois anid would be blested throuch the leevrré reef et the extreme south end of the atoll nesr Seuth Islead. This is th: $686,000 item shown above. Conversetions with the Cormenier, Underveter Demolition Usit Uo. 1, U. S. Nevy, Sas Diego, have disclosed that a recent operation by this branch cf the navy has opencd a echarnel throughs the reef at Hoye Island, Kraje)ecin Atoll, whose dimensions are 100 feet vide, 1200 fect leng, and 8 feet deep at mean low vwetar. This task vas acceuplished with 70 tons of cexrdemmed U. S. Navy bulk explosive by 12 pereannel] in Lk days. At Taoegi, the UDT Ko. 1 hes estinated that the present Pokealkku pas:age could be opened into a ehtuencl 210 feet wide, 300 feet longs, and 30 ieet deep with 70 toms ef bulk explosive. 21 porsonmel workira during aly the dsylight slack high water poriois (+ 2 hours) could eccamplich this task in 30 deys. It ie assumed that comdernes bulk explosive could be mits evailable and utilized were also. The current at lew side through tre present Pateakim pessace into the oescn is about & imots ani is adeats to remove blasted debris with e selfesicening action. Sheuld en etecapt be made to blast througs the reef im & lecation other then Pokeskiu passage, mo self-cleaning ecticn from a curren: would exiet until the ehannel is opened over procuicclly its full leneth end into the less, The cost of plastic bulk explosive to UCRL et Livermore is $1.65 per pam. If Gbrolete cangemmed explosive vere nct available for uze in underveter dexsliticn of the corrl in the psesegc, an expenditure ef $231,000.00 for explosive vould be required. Usins tais figure to compare the cost per cubic yard in the abeve three casez gives: Ebye Chennsl $5.50 per cu. yd. |" “Widening Poksakin Passage South Islond Chensusi $3.30 per cu. yd. $6.20 par cue ys It is felt thet the above cczrcrisas is fairly drevn, even thavgh mo over- head cost factore vere included im the first tvo figures ebove, eni since only militery perscorel are involved those costs would not te AEC funded. The figures ther, represent the eanparetive cess per eubie yard if the explesive hed to be purchesci with AEC funds. COPIED LAN; RC/Dve