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CIVIL ENGINEERING SERVICES - Details

Site Plans
CCA has a vast amount of experience in the layout of sites whether they be industrial, commercial or residential. Site development takes into account several critical issues which including:
  • owner criteria
  • topography of the site
  • safety issues
  • aesthetics
  • traffic and pedestrian circulation
  • economics
CCA approaches projects with a "form follows function" mentality. The "function" is to layout the site with a safe, economic building and parking area. By working with the topography and contours of the land, we are able to meet these criteria. As is usually the case the form which is created by following the required functions frequently is also the most aesthetic. Reasons for this include the lack of large expensive retaining walls, the preservation of the natural vegetation in the open space areas, and the blending of the parking and building areas into the existing landscape.

Sewage Disposal Systems:

CCA has provided designs for all conventional sewage disposal systems. Generally three methods are available:
  1. Sanitary Sewer Extension.
  2. On-site discharge to soil - Septic System.
  3. On-site Sewage Treatment Plant (STP) with discharge to soil or watercourse.
For small scale projects, CCA provides low cost septic system designs for single family residential. For large scale projects requiring on-site Connecticut Department of Environmental Protection (DEP) systems, we analysis and perform the following:
  • Soil Testing - On-site evaluation of the soils available for sewage disposal including permeability tests on appropriate samples. If necessary, we engage a boring rig to examine deep soil layers.
  • Hydraulic Analysis - This study determines the hydraulic capacity of the soils to determine if sufficient capacity is available to accommodate the proposed discharge, rainfall and safety factor.
  • Virus and Bacteria Detention Analysis - The determination of the velocity of sewage flow through the soils to determine if sufficient renovation has been performed prior to reaching a water body, property or well.
  • Nitrogen Dilution Analysis - Determination of groundwater and surface flows available to dilute the nitrogen components from the sewage effluent to acceptable levels.
  • Long Term Acceptance Rate - An analysis of the long term effect of bacterial action with regard to the soil interface, development of the biocrust and calculation of the required leaching interface area.
  • Phosphate Absorption - Calculation of the quantity of soils required to reduce the phosphate component of the effluent discharge to acceptable standards.
  • CCA can provide construction review services during the installation of the sewage disposal system.

Storm Drainage

CCA utilizes various methodologies in the computations of storm runoff and subsequent storm system sizing. The Rational Method is utilized for small, simple drainage areas and DOT procedures and technical publications assist in the hydraulic design for the piping and waterway system.

For more complex drainage systems, CCA utilizes PC versions of TR-20 and TR-55. Storm flows are routed through detention basins to determine downstream flows and velocities. Above and below ground storage systems are provided if necessary, to assure compliance with regulatory standards and the principals of good engineering practice.

Erosion and sedimentation control plans and specifications are designed based upon the results of the drainage analysis. If warranted, Stormwater Pollution Prevention Plans (SWPPP) are prepared for individual sites.

Roads & Highways

CCA utilizes the fundamentals of highway engineering to plan and design road construction and highway improvement projects. During the past fifteen years CCA has designed miles of new subdivision roads so as to be in compliance with local regulations. For commercial and industrial clients, CCA can design highway improvements including road widening, shoulder improvements, the addition of turning lanes and other improvements.

CCA designs road geometry utilizing computer software developed to compute horizontal layout and profiles which can be inserted directly into drawing files and subsequently downloaded into survey data collectors for fast and efficient survey stakeout. Road reconstruction projects performed by CCA for various towns have resulted in cost effective solutions.


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CCA LLCC Brookfield Connecticut , (CT USA) Civil Engineering group provides design services for municipalities, commercial, industrial and private clients. These services include permitting, stormwater runoff/drainage facilities, sewer and road design, sanitary/sewer facilities, soil testing, feasibility studies, sewage pumping station and pre-fabricated treatment system design, construction management, stormwater pollution prevention plans, subdivisions, and condominiums. CCA LLCC Brookfield Connecticut , (CT USA) Environmental Services group provides environmental engineering and hydrogeological services including property site assessments (Phase's I, II, and III), remediation design/implementation, stormwater pollution prevention plans (SWPPP), spill prevention control and countermeasures (SPCC) plans, design and construction supervision for landfills, facility closures, wastewater and sludge treatment systems, regulatory compliance, State and Federal permitting, aquifer mapping, compliance monitoring program design, and groundwater modeling. The environmental services group makes extensive use of computer software for data manipulation and statistical analysis in providing cost effective design and data management. CCA LLCC Brookfield Connecticut , (CT USA)Surveying group provides survey services through the use of state-of-the-art surveying equipment, including Total Stations with data collectors, and computerized Auto-CAD designs and drafting stations. Through the extensive use of data collectors, and computer equipment for note reduction and plotting, CCA is able to provide cost efficient service on all projects including boundary and topographic surveys, construction staking, road, drainage, and sewer design, and aid in preparing plot plans, contours, and cross sectional supports for landfills and general site development. CCA LLCC Brookfield Connecticut , (CT USA) staff includes five licensed professional engineers, three registered land surveyors, a regisered environmental engineer and lead abatement consultant, a certified environmental auditor, and a number of scientists, draftsmen, technicians, and field personnel. Our clients have included the United States Department of Defense, the State of Connecticut Department of Transportation, and various municipalities, corporations, developers and industries throughout the Northeastern United States.