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23059.
<br />23060.
<br />back �f �he t�ench; I� lieu. thexeof, but only at the ex���ess permissi.on of the
<br />Engineer, a conc�ete mass or block may be substitut�d therefc�r� Af�e� e�ch hydrant...;:
<br />has beez� set, chere shd11 be placed around the base of �he hydrant, nae 1�ss than
<br />one-half (1/2) yard -vf gra�rel, broken brick er stone, fr�m which �11 fine matter
<br />sha11 be screEn�d� Cov�r a11 gravel with a minimum of 2 layers of t�x papere
<br />Hydranf.s must maintain a position, and must not be kn�ck?d out of plumb during
<br />the backfilling.
<br />ANCHORAGE OF_BENDS, TE�'S AND PLL'GS; See "SPECIAL PROVISIUNS"
<br />TESTINU PIPE LINES� :
<br />23060.1 PRESSUR.E I?UKING TESI:S� After the pipe has been laid and partially backfilled as
<br />specified, all newly laid pipe, cr any valved section of it shall, unless otherwise --
<br />specified, be s�.,bjected to hydrostatic or air pressure of 100 pound� pEr square
<br />inch, The type of tests sha11 be stat�d in the "SPECIAL PROVI5IUN5".
<br />23C�b0.2 AURATION OF PRESSURF TLST: l�e duraCion of each pressure test :hall be at least
<br />30 minutes, unlFss ��therwi�e stated in the "SPECIAL PROVI�IqNS".
<br />23060.3 PRUCFDUKc: Each val��ed secti.�n :�f pipe shall b� slowly filled with water from a
<br />safe s��urce if a hydr�.5ca�ic tr:sc i� used, and ttie specified test pressure,
<br />measured at the lewc�t p:.�int ��f elevatic.�n, shall be applied by me�ns of a pump
<br />connFcc�d ro the pipe in a satistactory manner. The pump pip� conn�cei�n, �auges,
<br />and �li necessary apparaCus �ha12 be furnished by che Cantractor. Gau��s and
<br />meast�rin� de��ic�� m.,.=.t mc•ec w�tCh the ap�r:.val of the Fn�in€;�cz� ��nd the nEG�z�a:y
<br />pipe ta�s made as clft�cced.
<br />2306Q.4 ���'�Ll.Icti'G AI� iit:F�:itF: 'I'E:S�'� I3cf�i•c ���pl}�in�; Cfi@ specifi�ci c�:�;r prf�ssur�r �11 �ir
<br />� shal! be c>�pellc�i ii�,?:n c.h�� pi�>e. '1',� tICCOft1�IiS�1 thi�, �a�5 �t�all b� rn�de, if
<br />nc�c�ssary. aC �:�inCs ��c hi�;}��t;:c clev{�Ci�n, and �rfeerward tis�!�el.y' plu��ed.
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<br />jaint� �rill he c�r�fult�� ��x���riinc�c! d+iri,�is; cti4 �pen L�ci�ch rc��. :1nti• �r�ck• ��
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