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The Board met in regular session at 10 A. M. All memirers present - <br />All night lamp ordered in at Cor Tutt street and Prairie avenue. <br />Petition filed for Grade, Curb & Walk on Notre Dame avenue from So. Bend avenue <br />to Napoleon street. Referred to Engineer for specifications. <br />Petition filed for grade, Curb <br />& <br />WalkonCarlisle <br />street <br />etionom Washington <br />street to Linden avenue. Referred <br />to <br />Engineer <br />Engineer Hammond filed the following report. <br />Hon. Board of Public Works, <br />Gentlemen;-- <br />T desire to submit the following brief report with reference to the <br />construction of a pipe sewer on Van Buren street Cushings addition. <br />When the Michigan avenue trunk sewer was constructed to Brick Avenue the <br />drainage district for said sewer extended north to the City imits which at that <br />time conformed to the North line of Cushings addition as now laid out. <br />The pItLt of Cushings addition consisted of some very low ground and when the <br />street grades were fixed throughout the addition, some of the intersections were <br />from 7 to 7 1/2 feet below the grade of Michigan avenue. <br />The grade of the trunk sewer as laid is :moo shallow that allowing for proper <br />fall of pipe sewer extensions, a' depth of from 4 to 6 feet at Van Buren street could <br />be obtained, insufficient for p oper and efficient sub -drainage. <br />This depth is based only o he elevation of the sewer invert, the intention <br />being to have the inverts of t pipe sewer -and trunk sewer coincide, But if we <br />allow for the filling up at flood time of the trunk sewer to a depth of 6 feet, <br />the back water would reach to nearly if not quite the street elevation, nullifying <br />at such seasons the action of the pipe sewer and backing water into cellars. <br />To afford temporary relief for the low groung in Cushings addit ion, I have <br />there for to suggest that a pipe sewer be built on Van Buren street from Cushing <br />street to Howard avenue and that branch pipe sewers be constructed in the street s <br />in Cushings addition running from VaInBuren street to a point or points near <br />Michigan avenue, but that sewers be constructed North from Van Buren street to <br />connect with this sewer. <br />The plan is to carry this sewerage through the Van Buren street sewer until <br />the land north of Cushings addition is developed, when. An.outlet sewer can be <br />built twords Portage avenue, and then the seers at the vest eA& of Cushings <br />Addition can be connected with the new outlet and relieve the Van Buren street <br />sewer which by that time would probably, be overtaxed. <br />By this plan immediate relief can be given the families living in Cushings <br />Addition and no future expense need be taxed against them as the sewage can be <br />diverted to other sewers .which will have to be built as the property id developed <br />toward Portage Avenue - <br />I have gone into this: matter in same detail for the purpose of showing the <br />temporary character of the Van Buren street Sewer at its Western end so far ,.s it <br />acts as an out fall sewer but it will not at any time lose its character of <br />efficiency as a local sewer. <br />At the present time the capicity will be nearly sufficient but with paved <br />streets and more 1complete development of ruff area, the sewer will be overtaxed <br />and this feature of the design should not be lost sight of. <br />Respectfully submitted, <br />A. J. Hammond City Engineer. <br />With reference to various petitions for sewers in Cushings addition the Engineer <br />was instructed to adopt a system of sewage for entire Addition. <br />r, <br />Ar e i le tn <br />