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FD4GA1 6 3 // 1 A - --- - \ — A 2 EPL05 17/05 FIRST ISSUE 5 4 7 6 RevJ By JDate Description 120 in [10.00 ft] Date Scale 12/02/05 NTS 113 in[9.42 ft] Drawn by Checked Eng. EPL 102 in[8.50 ft] Checked Prod. Approved by EQUIPMENT PERFORMANCE Title 4—FT DIA. THE STORMWATER TREATMENT UNIT SHALL ADHERE FIRST DEFENSE TO THE HYDRAULIC PARAMETERS GIVEN IN THE CHART 78 in[6.50 ft] —— BELOW AND PROVIDE THE REMOVAL EFFICIENCIES AND STORAGE CAPACITIES AS FOLLOWS: o PEAK HYDRAULIC FLOW:6.0 cfs STANDARD UNIT 4 ESTIMATED HEAD LOSS AT 6.0 cfs:9 in. SEDIMENT STORAGE CAPACITY: 1 Cu.yd. 5 OIL STORAGE CAPACITY: 180 Gal. GENERAL ARRANGEMENT (HEADLOSS IS DEFINED AS THE DIFFERENCE BETWEEN 3 STATIC WATER LEVEL AT THE INLET OF THE FIRST 2 DEFENSE TO THE FREE WATER SURFACE IN THE Hydro OUTLET PIPE,ASSUMING FREE DISCHARGE) Parts List International TM ITEM SIZE(in) DESCRIPTION 1 48 I.D.CONCRETE MANHOLE 1 2 INLET CHUTE(W/FLOATABLES TRAP) 94 Hutchins Drive 3 OUTLET CHUTE 0 in [0.00 ft] Portland, Maine 04102 4 18 INLET PIPE(BY OTHERS) tel: (207) 756-6200 5 18 OUTLET PIPE(BY OTHERS) fax: (207) 756-6212 6 HIGH FLOW BYPASS SECTION A-A email: hiltech@hil-tech.com 7 30 FRAME AND GRATE Any warranty made by Hydro International only applies to those items supplied by it. Hydro International does not accept and expressly disclaims any responsibility or liability for any structure, plant or equipment CAD Ref: FD4GA1 (or the performance thereof) designed, built, manufactured or supplied by any third—party. Hydro International has a policy of continuous product development and reserves the right to amend the specifications of ©2005 any of its products or equipment at any time. Hydro International expressly disclaims any liability for the performance of its equipment (or any part thereof) used or made subject to conditions outside of the Project NO. Hydro International conditions set forth in Hydro International's design specifications. Hydro International owns the copyright in and to this drawing, which is supplied in confidence, and all intended recipients of the drawing, by their use thereof, agree to hold the drawing in confidence and not to use it for any purpose other than for which it was supplied and not reproduce, in whole or in part, the drawing or any of the equipment or structures depicted therein, without prior written permission of Hydro International. Drawing No. FD4GA1 Rev.