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' Y' t: "oint attached to the PxiGtin water
<br />elevated tank, o_ in..o t.he pip� a� the first � g
<br />pipe, and the d:�sag� sha11 Le r�peated at frequen� p�edatermined in�?rvals9 px�fe�r-��`
<br />ably at each pipe joint as 1h� pipe 1�ying progr�sses; or as mm�y bP di:�eted by
<br />� the Engineer�
<br />When treated with dry calcium hyp�chl�rite or with dry chlorinat.ed lime9 the n�wly
<br />� laid pipe shall be filled T�ery slowly to avoid washing the powder to the extremity
<br />of the pipe line o
<br />' Treated water shall be retained in the pipe long enough to desrroy all non-spoxe-
<br />forming bacter.ia. This period shall be at least three hours and preferably longer
<br />as may be directed. Afte�� chlorine treated water has been r.etained fer the required
<br />time, the chlorine residual at pipe ext:remities and at other representative points
<br />� shall be at leasr 5 parts per millien,.
<br />�
<br />In the pracess of. ch1^rinaring newly laid �.aater pipe, all valves or other appurte- .
<br />nances shall be nperated while the pipe li��e is filled with the chlorinating agent.
<br />Followin� chlorina:.�ion, a11 treated water sha;l be thoroughly fluehed fram the
<br />' newly laid pipe at its exr_remities until the r��placemE:nt water �hroughout its
<br />length, shall, ��pon tesi, both chemic�lly and bacterialo�icall�. be pra��en equal
<br />to che water qudlity served the public from the exis[in� water �upply s,�tero, and
<br />appr�ved Uy Che State E3aard c�r I�partm�nt of Health. In the event the tes� in
<br />� tiie �pini;.�n �f the F"��ginr:c�r �roves unsatisfectory, chlorination �h�ll be repeatc�r�
<br />until a sati:sfactorv condici:>n of th� wat.er within th�: pipe i� �vt�blished.
<br />Unless ttte En�;inc�r shall dtrt�ct ��therwis�, cuts m�ide in �xi5tin�; pipe line� Ec�x`
<br />the Ia�sNr t i�.�n r�[ v�-,1 ��t: s, f i r� i n�;s , r�E�.� irs ; or f ar any othe�r {�urp�Fe �ha l l be
<br />chl�rin�tecf b�- ;;h�akin�; �� r�u����City ��f Clje powder, predeecxml;ie�,� hy ehc� �n�inee�r,
<br />intn thc� pip�� on �•=�ch �iciE� or rhe cuc-i.n. Att�r slowly C111in� tllr ��ci�car� �ad
<br />reversin� thc> f1�'w, the chle�rin=�cc�d �aac�r �hal1 be ret�-ain��d f.�r 4�tirer�i h�rass,
<br />then f lust�Fd unt �1 nc, ncy:�r ;al' ct�l:�zin� c•��a :,�• dctc-cr.=c� in tl�� wa�tt� wt�C�x, c��
<br />pref ert�i�ly unt 1 1 � c►�r�rk �Ir;� t t i�;�vc+ G�c�« n�acic �.�r , t� i dua t ct� l��r i��t� .
<br />230b2. �ACKFII.I.INC+. CL�A�1:�C� U!', ,��i� `le�t�l'�iN1t�G SU�tF�AC:i:�°
<br />� 23p�2.1 �ACKklt.i. I'lZi��C= Ut�f:t; �1't E'I3�t 1,�7yi:: ��l�ct��i b<�ek�Il l caiac�rtal f�ae�� tr.�m r.�ek �r
<br />b�+t.ilder� - t�t �.�Cit��r un��i�c�`�hlf: �ti���;t��t�e�� -�l�t�ll be� �lrg��;���ccl it� e1�� tT`et�Ch Ce�
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<br />t�>r�. 5er��ici� r;ltis�ll 1�,� m-i���c�ii>>c�c1 ln Fa<��:;nblc° �,�i,�tcc�,�� fc�t� 1r.�1ti� �liitil �lcht� �£
<br />t`it�r�l li�����t it�n.
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