Water & Wastewater Projects

Background

SMC has successfully completed a considerable number of surveying and mapping projects involving water and wastewater facility design. In keeping with the company’s underlying philosophy, “the key to accurate surveying and mapping still lies in the skillful use of the right instruments and techniques guided by seasoned judgment”, SMC’s Project Director will meet with prospective clients to discuss the proposed project in detail to determine the requirements necessary to meet the accuracy standards for the project. When possible, SMC will use a municipality’s already developed base mapping. If the base mapping cannot support the accuracy requirements for a particular project, SMC’s technical staff will employ its collective experience, skill and seasoned judgment to develop the appropriate surveying and mapping techniques to be used. Turnkey aerial survey services are provided and supplemented with field surveys to capture data relevant to the design of a particular project.

Technology/Methodology

In general, low-level color aerial photography is used to generate the base mapping. The flying height selected is chosen after particular attention is given to the contour interval required for the project. When the decision is made to utilize project specific aerial photography, SMC’s technical staff plans the flight lines and develops a ground control configuration. The location of existing federal or state geodetic control monuments are researched and targeted if appropriately positioned within the footprint of the aerial photography. Suitable survey monuments are installed and targeted and their respective positions established using GPS surveying techniques. Additional control is established using the more conventional “total” station distance and angular measuring instruments and a combined adjustment of the satellite and terrestrial measurement data is undertaken. Similarly, when existing base mapping will be used for a project, SMC will develop a project-wide horizontal and vertical control network, referenced to the coordinate system used for the base mapping upon which the supplemental field surveys will be referenced.

Sewer Expansion Project - Supplemented by Field Survey

Supplemental Field Surveys

For some projects, it may be appropriate to conduct field surveys to locate the required data. For these occasions, SMC’s staff will utilize “total” station instruments to locate buildings, walks, edges of pavement, walls, fences and other details in addition to the location of surface evidence of utilities, determination of sill elevations of houses when required and the location of wetland flags. Depending on the project requirements, additional field surveys can be undertaken to locate details not visible on the photography and are required by the project design team. Typically, a field edit walk-through will be conducted to identify pavement, curb, wall, underground utilities and fence types. Final plans are typically delivered in AutoCAD^® format.

Sewer Improvement Project - Existing Mapping Supplemented by Field Survey

Value Added Services

Following the preliminary design effort, SMC’s staff provides value added services with the preparation of easement and/or taking plans. This task involves research to obtain appropriate data (deeds, recorded plans and street layouts) relative to the location of property lines and field surveys to locate property monuments. SMC’s staff prepares easement and/or taking plans along with descriptions of the affected properties. The plans are suitable for recording at the Registry of Deeds in Massachusetts or appropriate county or municipal facilities in other states. A further value added service, provided by SMC, is the staking of easements and/or property lines during the construction phase of a project.

Water Main Improvement - Field Survey

Water Main Improvement Project - Aerial Survey Supplemented by Field Survey

Following is a partial list of Water & Wastewater project completed by SMC:

• Sabbatia Lake Sewer Expansion Project, Taunton, MA

• Water Main, Commerce Way, Woburn, MA

• Water Main Improvement, Tisbury, MA

• Water Main Improvement, Oaks Bluff, MA

• Water Main Improvement Project, Taunton, MA

• River Pines Sewer Project, Billerica, MA

• Sewer Expansion Project, Marshfield, MA

• Water Main Replacement Project, Douglas, MA

• Sconticut Neck Sewer Expansion Project, Fairhaven, MA

• North Dartmouth Sewer Project, Dartmouth, MA

• Sewer Expansion Project Phases 7- 11, Tewksbury, MA

• Rose Point, Briarwood and Beaver Dam Estates Sewer Expansion, Wareham, MA

• Weweantic Shores and Sunset Island Sewer Project, Wareham, MA

• Water Pollution Control Facility, Wareham, MA

• Blackmore Pond Water Main Improvement Project, Wareham, MA

• Sewer and Water Main Replacement Projects Brockton, MA

• Sewer and Water Main Expansion Projects, Holbrook, MA

• Plum Island Sewer and Water Distribution Project, Newburyport, MA

• Holden Water Main Replacement Project, Holden & Worcester, MA

• Sewer and Water Main Replacement Projects, New Bedford, MA

• Water Main Replacement Projects, Fall River, MA

• Atlantic Avenue Drainage Study, Marblehead, MA

• Sewer and Water Main Expansion Project, Chelsea, MA

• Wastewater Treatment Plant, Douglas, MA

• Sewer Expansion Project, Douglas, MA

• Sewer Expansion Project, Brookline, MA

• Phase 4 Utility Locations Surveys, Lynn, MA

• Phase 5 Utility Location Surveys, Lynn, MA

Key Benefits

• On Time
• On Budget
• Value-Added Contributions Affecting the Entire Project

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