1. Which of the following items is not to be considered in the budget for a utility? a. anticipated costs due to labor and maintenance b. anticipated revenues c. costs of street maintenance d. insurance 2. There are two components involved with the managerial functions and reporting to a higher authority. a. performing all of…
1. Which of the following are appropriate uses of closed-circuit television by wastewater collection system workers? a. chemical addition b. evaluating effectiveness of sewer and clearing techniques c. removing sources of infiltration d. all the above 2. Emergency stoppages in pipelines may be cleared safely by use of _. a. bar screens b. high velocity…
1. Chlorella, Chlamydomanas, and Euglena are common _ found in wastewater lagoons. a. bacteria b. alage c. fish d. water fowl 2. Methane fermentation in wastewater lagoons consists of _. a. the conversion of organic material to methane by bacteria b. the reduction 5 day BOD by coliform bacteria c. the conversion of algae into…
REPORTING OF CONCENTRATION The example Daily Operations Log shows that four individual BOD5 grab samples were obtained during the month as follows: March 3 – 22.00 mg/L March 10 – 29.00 mg/L March 17 – 18.00 mg/L March 24 – 10.00 mg/L The daily average concentration is calculated by adding the four values obtained and…
You are constructing a sewer in a subdivision which will contain 6-inch and 10 inch sewer lines. Using the following information, determine the total cost of the project? Total in-place cost of 6-inch pipe – $80.00 per linear foot Total in-place cost of 10-inch pipe – $105.00 per linear foot Pipe cost is 33% of…
ANNUAL AVERAGE FLOW The arithmetic average of all daily flow determinations taken within the preceding 12 consecutive calendar months. The annual average flow determination shall consist of daily flow volume determinations made by a totalizing meter, charted on a chart recorder and limited to major domestic wastewater discharge facilities with a 1 million gallons per…
Current Rehabilitation Issues includes a range of approaches that return the system to near-original condition and performance. For example, repair techniques are used when the existing sewer is structurally sound. But when the existing sewer is severely deteriorated or collapsed, or when its flow capacity should be increased, the system is usually replaced. Calculate the…
No-Action Alternative For this alternative, discuss what would happen if the project were not built. In answering this question, describe the social, economic, and environmental impacts that would occur from not building the project. In the rationale, describe why this alternative was not chosen, including whether it was feasible or not. Rehabilitation Discuss whether or…
ORIGIN OF ENVIRONMENTAL, SAFETY AND HEALTH REGULATIONS In the past, state and federal governments did not regulate the disposal of domestic and industrial wastewaters. This situation led to disposal practices that left much to be desired. Municipal wastewater was simply dumped into rivers and lakes and industrial wastes were buried, discharged to surface waters and…
SCHEDULES/REPORTS In addition to DMRs and non-compliance reports (NCRs), the permit or formal enforcement actions may contain additional reporting provisions, with specific reporting requirements. These specific provisions could include compliance schedules with progress reports, pretreatment requirements, toxicity, sludge, storm water, etc. The actual completion date of any scheduled activity must be included in the submitted…
