3201 SMITH AVE BASE FILE 2018-01-02 MF Import

Mhere water ie encountered in ehe trench, it ■hall be removed during I pipe-laying operatione and the trench �o maintained until the end� of the pipe aze sealed and provi�ions are m�de to prevent floating of the pipe. Trench weter or other deleterione materiale ehall not be allowed to enter the pipe at any time. IIt ehall be the Contractor�s responsibility to furnish, install, and operate all nece�eary machinery, eppliances, and equipment to keep excavations free from water during conetruction. Dewatering of the trench ahall be coneidered ae incidental to the construction and all coete thereof ehall be included in varioue unit Icontract pricea for the pipe linee. D�ddiaQ th� Pip� Section 7-08.3(1)C ie supplemented with the following: Bedding meterial for concrete pipe ehall be hwerett N2 washed coaree eand. Bedding material for PVC pipe ehall be cruehed eurfacing baee Icouzse. ehnr Lin� Coaa�etioa� Section 7-08.3(2)H ie eupplemented with the following: IWhen replacing an exieting eewer line, etorm drain liaee which are connected to the exieting sewer �y�tem, unles• otherwise epeeified, sh�ll be reconnected to the new �ewer in accordance with the Standerd ISpecificatione. The minimum eize of new etorm drain line ehall be 8". Vertical connections of drain line• to the eewer main� between manhole• dhall not Ibe allowed without prior approval by the �ngi�eefOwner'e Repreeentative. � Recomzection of drain line• �hall be conoidered as incidental to the I con�truction and all coets thereof �hall be included in various unit contract prices for the sewer pipe. I s•ekiiiliaq Section 7-08.3(3) ie eupplemented with the following: Backfilling shall be perfoxmed only after intpection and approval of the I inetalled pipe. 6xcavated material free from mud, muck, orgaaic matter, and h:oken pavement ehall be uaed for backfill, except where otherwi�e required by Ithe Sng�r-Owner�s Repzeaentetive. I Backfill ehall be excavated m�terial placed in the remainder of ehe trench ebove che bedding material, except where otherwira required by the Sngi�eerOwner�s Repreeentative. Hsckfill �lull be placed in � Ihorizoneal lifts and each lift mechaniully compacted by a powez- operated mechanical tamper(�1 ae �pecified in Section ]-03.3(141C e��he I ' ' ' z other mechanical comp�ction device �pproved I by the &ngi�ne�Owner�e RepreeenGative. The Contractor ehall take any neces�ary etepe to protect the excavated material from beeaning contaminated wieh moiature. Division 7 page 9 � Sierett station o5/12/0o I � H:\Jobs\97093\TRANS\ENC\SPECS\100�cd\Street tite\98SPEC7RI.doc i — �Z