Wastewater
CDI has extensive experience in the planning, analysis, design,
cost estimating, permitting and construction management of wastewater
treatment, collection and disposal systems. CDI’s experience
includes wastewater treatment facility plans, combined sewer
overflow studies, influent screening and grinding systems; influent
pump stations; primary and secondary treatment plants; primary
and secondary clarifiers; sludge digesters; sludge dewatering
systems; sludge landfills and incinerators; ultraviolet disinfection
systems; and outfall diffuser modeling and design.
CDI’s
wastewater collection system experience includes sewage pump
stations and force mains; gravity collection systems; small
diameter pressure sewers; and vacuum sewers.
Water
CDI has provided planning, analysis, design, cost estimating,
and construction management for many drinking water projects
including source development, treatment, and distribution
projects. Our experience includes water system master planning;
distribution system hydraulic modeling; wells and well pumps;
water intake structures; water treatment including disinfection,
fluoridation, filtration, and pH adjustment for corrosion
control; water booster pump stations; welded steel, bolted
steel, and wood stave water storage tanks; and water distribution
and transmission piping.
Flushing
New Waterline Construction
Project
Contract Administration
Depending on the client's project requirements, Contract Administration
duties usually include the following tasks:
Hosting or attending a pre-construction conference
Providing submittal review services
Hosting or attending progress meetings
Preparing or reviewing pay requests, clarifications, change
orders
Preparing as-built drawings of the completed project
Wastewater
Treatment Plant
Design and Inspection
Project
Inspection
Project inspection duties usually include the following:
Preparing a pre-construction site video
Coordination/liaison among the designer, owner, and contractor
Providing on-site project inspection to ensure compliance
with contract documents
Providing photo documentation of the construction process