Laserfiche WebLink
,jo,:, AQUA ENGINEERS <br /> AN EMPLOYEE OWNED COMPANY <br /> 5. Wastewater System Operation <br /> Punalu'u wastewater operations is divided into three parts, collections, pump station and the <br /> Puna Iu'u Wastewater Treatment Facility. Collection system starts at the top of Ala hiki Road serving <br /> the single-family residences, golf course operations building,tennis courts and the Colony One <br /> Condominium. Collections system does serve the County of Hawaii, Black Sands Beach Park, the <br /> Visitor Center, or the resident located across the visitor center. <br /> Collection system feeds the Ninole wastewater pump station located at the corner of Ninole Loop <br /> Road and Golf Course Road, at an elevation of 36 feet above sea level. Station has two ITT Marlow <br /> self-priming solids handling pumps. Both pumps do not work. Station uses a float system to start <br /> and stop. Currently station wet well is pumped with a 7.5 HP effluent pump, pumping <br /> approximately four hours per day at 40 gallons per minute. <br /> Ninole pump station pumps to Punalu'u Wastewater Treatment plant which is classified as a Grade 2 <br /> Facility by the Hawaii Department of Health, Wastewater Branch. Treatment facility is currently <br /> approved for a capacity of 20,000 gallons per day. With no new sewer connections allowed until <br /> facility is upgraded or rerated. Department of Health mandated monthly effluent grab samples are <br /> taken and shipped to FQ Labs in Oahu for analysis of Biochemical Oxygen Demand (BOD) and total <br /> suspended solids(TSS). <br /> 6. Wastewater System Infrastructure <br /> Collections& Force Main <br /> Collections system consist of twenty-two manholes, 4,500 feet of six-inch gravity line made of Terra <br /> Cota clay pipe. Force main is an estimated 3,100 feet long and is also made of six-inch Terra Cota <br /> clay pipe. It is unknown if the force main from the Black Sands pump station was properly plugged <br /> when the station was abandoned after the 1965 tsunami. <br /> Ninole Pump Station <br /> Has two ITT Marlow Series Trash Hog pumps. Model number is 4DTH24EL-EB Impeller diameter 9.65 <br /> with electric 10.5 Hp motors, 3 Ph, 1700 rpm. Both motors work and both pumps do not work. <br /> Pump#1, suction line located in the wet well has holes in it and unable to hold suction for pumping. <br /> Pump#2 suction line has holes in it, the pumps seals, bearings are burnt,and the impeller is worn. <br /> 51Page <br /> Exhibit A <br /> Page 5 of 12 <br />