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� , <br /> I � <br /> All vault■ ehall aleo meet structural requirement■ for overburden support. <br /> Ca�t-ia-place wall eectione ehall be deeigned a� retaining wallo. all � <br /> •tructural designs ehall be etamped by a structural engineer licensed in the ' <br /> State of Ra�hington. Vaulte shall be placed on native material, or adequate <br /> etructuzal (foundation) material, with suitable beddiag. <br /> Al1 pre-cset concrete manhole sectione for maintenance/aaae�■ rieere ahsll � <br /> meet the requiremente of Section 9-12.4 Preca�t Conczete Manholee of the � ; <br /> Standard Specificatione, except the hole diameter shell be a� ehown in the <br /> Plaas. <br /> Pr�-c��! R�iaforc�d Coacr�t� Vault Norkinq Drariaq� � . <br /> The Contractor ehall submit complete Pre-caet Reinforced Concrete Veuli <br /> Working Drawinge and Calculation� in accordance with Section c-o1.9 of <br /> the Standard Specificationt. <br /> Conetruction requirements ehall el�o be in accordance vith Section 6-02.3 of r : <br /> the WSDOT/APWA Standard Specificatione. j <br /> M���ur�nt <br /> The pre-ca�t reinforced concrete vault wi12 be mea�uzed per linear foot of T <br /> �eructure in�talled, horizontally fran ead to end of the vault. 1 <br /> 9-0�.5 D�yMnt <br /> Payment will be made in accord�nce with Section 1-04.1, for each of the T <br /> lollowing bid items: 1 <br /> "Prec��t Conc. Detention Vault _ , per linear foot. <br /> The unit contract price per lineal foot,for •Preca�t Conc. Detention V�ult " � <br /> �hall be full compensation for all m�terial�, labor, tool�, and equipment <br /> necer�ary for the fabrication end in�tallation of the unit �pecified, <br /> including all internal co�onent�, baffle wall�, penetration�, conneceion�, �� <br /> and neceeeary stainless •teel hardM�re, and all hardwaze and appureenance�, li <br /> euch ae ladders, frame�, covers, end othez itema ehown in Yhe Plane to <br /> complete the in�tallation ready for u�e. <br /> `Deteation Vault Control Structure", per lump �um. � <br /> The lump ■um price bid for "Detention Vault Control Structure• �hall be full <br /> compen�ation for all materiel�, laDor, tool�, and equipment necesrary for the � <br /> fabrication and in�tallation of the co�lete (detention vault) outlet coatrol <br /> structure ae specified in the Plan� and Detailr. Al�o iacluded, but not <br /> limited to, i• all h�rdware aad appureenaaces, �uch a� the ri�er pipe, <br /> orifice(e) , anchors, ehear gate and other iteme �hovm in ehe Plans to complete � <br /> tAe inet�llation ready for u�e. <br /> �scr:ar �-o• � <br /> OLIi�11L PZPt II�iT11LL�T20�I �iQIII]!�'Pi <br /> Cowlruction A�auir�ant� � <br /> Section 7-08.3 is supplemeated with the folloving: <br /> Recent work in the project area indicate� •ignificant amount• of perched <br /> water may be encountered, dapeading on the type of �oil ia the localised ' <br /> work area. <br /> Diviaion 7 Page ! ' <br /> 6verett St�tion o5li2/oo <br /> H,Jobs\97093\TRANS\ENO�SPBCS\IOO�cd Stxeet eite\98SPBC'!RI docH�����};7pq� <br /> � ' <br />