Show I iNCREASE STAff fUR FOR DAM WORK Interior t Department Pushes Push Push- e es Work on n Dra Drawing ing Boulder Plans WASHINGTON July 27 AP Preparing designs design an antI and plans plana for construction of Boulder d dam m has n how vi rea reached the point that t the in- in terio teria department ha has found it n necessary to toa tp to a authorize expansion of the engineering st stiff staff ff of of the Denver office of f the bureau of r reclamation se ot staf ls ls' the first yet authorized on n account ot oC the Bo Boulder lder project which which- h. h In addition to c con con- n- n 0 of penn en en dahiN tails drilling long long tunnes tim tun- nels nes- 60 50 feet In diameter through solid rock of oC canyon walls and erection tion Uail of two coffer cofferdams dims bite bhe above and one below belo the tle dam site The Thc Theone one ne' ne upstream from the dam will have to tobe be e 80 O feet lIgh and of oC sufficient strength to divert the flow l Y of C the Colorado r ver even en at t. t flood tide Of the tunnels two will 11 be used as p permanent spillways ys and the theother other two two will wUl water vater to power power pow pow- er cr houses houses' which are are intended to generate cri enough electricity to pay for the enU entire project All of oC hc he designs and plans are Jre t tO tobo be ba completed com corn pl fed In advance of the time Ume when mone money will Ill become available for actual ct al construction |