Rock Excavations in Downtown Toronto
The geology of Toronto area is somewhat complex due to the series of advances and retreats of the glaciers. The overburden deposits consist of materials laid down during the Wisconsinan...
Biological Phosphorus Removal Using a Fixed and Suspended Growth Combination: A First Year Appraisal
As an alternative to the activated sludge process for biological phosphorus removal, this paper discusses an alternative which avoids high costs of air supply and large suspended growth...
Aerobic Thermophilic Digestion or Liquid Composting of Municipal Sludges
A study funded by Supply and Services Canada through the Wastewater Technology Center of Environment Canada, and the Province of British Columbia is being undertaken over a two year period...
Decision Support for Short Term Export Sales From a Hydroelectric System
A stochastic dynamic programming (SDP) model was recently developed and implemented at British Columbia Hydro and Power Authority (B.C. Hydro) to provide decision support for short term...
Hydropower Stochastic Forecasting and Optimization
A microcomputer package was implemented to support real-time decisions for weekly and month-end water management at an industrial complex in the mountains of British Columbia. The rolling...
Design, Construction and Testing of Repairs to the Low Level Outlets at Terzaghi Dam
Operation of the low level outlets (LLOs) at Terzaghi Dam in southwestern British Columbia resulted in severe cavitation at operating heads significantly lower than design. Modifications...
Design and Operation of Guard Gates
Guard gates for hydroelectric intakes and low-level outlets are normally intended for operation only under balanced heads. In the case of failure of regulating gates, the guard gate may...
The WMATA Resident Engineer and the METRO Construction Team
This paper discusses the organization, mission and functions of the Resident Engineer and the other construction elements of the Washington Metropolitan Area Transit Authority (WMATA)....
Small Hydro Power in British Columbia
Water Power '87 will be held in the Pacific Northwest. British Columbia is also part of this region and, as such, is also one of the homes of hydro power. To date, we have...
Columbia River Treaty Perspectives
The Columbia River Treaty was signed in 1961 and ratified by the governments of Canada and the United States in 1964. The Treaty required British Columbia to construct three large storage...
Hydrologic Design Methodologies for Small-Scale Hydro at Ungauged Sites
IMP is a microcomputer package for evaluating small-scale hydroelectric power sites in British Columbia. With IMP it should be possible for an experienced hydroelectric engineer to make...
Single Conduit Dam Design
In today's arena of increasingly higher costs for major dams, planners and designers are continuing to look into ways of reducing the overall costs for the development of...
Osoyoos Lake Control Structure
The new Osoyoos Lake Control Structure has been built on the Okanogan River at Oroville, Wa. The site is about 2 miles downstream from the outlet of Osoyoos Lake, and about 9 miles south...
Hydraulic Design and Performance of Discharge Facilities at Revelstoke Project
Revelstoke Project is located in southeastern British Columbia on the Columbia River, 130 km downstream of the Mica Dam and approximately 5 km north of the City of Revelstoke. The project...
Comparison of Storm Water Management for Phoenix and Washington, D.C. Urban Areas
The design criteria, the methods of analyses, and the estimated costs of construction are compared for two storm water management systems in the Phoenix, Arizona and the Washington, D.C....
Variability of Copper in the International Reach of the Similkameen River, British Columbia
All total copper concentrations measured in soft water during spring freshets were above the Canadian Water Quality Guidelines. Approximately 57% of all 108 observations over the three-year...
Tractive Flows Adjacent to Site for Submarine Sewage Pipeline
Twin 3200 m long submarine sewage pipelines for the city of Vancouver are being placed across the outer tidal flats and upper slope of the Fraser River delta to a water depth of 107 m....
Water Quality Management in Coastal British Columbia
The coastal environment of British Columbia is managed under both federal and provincial authority. The split between federal and provincial jurisdiction in the coastal zone involves several...
Little River: An Investigation of Coastal Environment
Little River is located about 6. 5 kilometres north of Comox on the east side of Vancouver Island. The last major flood in February of 1983 resulted in the river breaking through the beach...
Delivery System Schedules and Required Capacities
The delivery of irrigation water to farmers from irrigation districts vary considerably from one project to another. A number of delivery schedules have been identified according to the...
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