Trinity Engineering provides Civil Engineering design services to a wide array of clients. Whether your project involves Stormwater, Erosion Control, Wastewater, Water Supply, Subdivisions, Retaining Wall or Slope Stability issues, Stream Crossings, Commercial Solar or Floodplain Studies contact Trinity to see what we have to offer. Trinity Engineering has designed and inspected over 1000 septic systems across Vermont and Massachusetts.
Our staff is expert in system designs following the Massachusetts Title 5 Code, as well as Wastewater system design in Vermont. We offer Title 5 Inspection services, as well as, VT Septic System Inspections. Contact us today and put our experience to work for you. Trinity provides Environmental Engineering services including Wetland Delineations, Wetland Permitting, Ecological Studies and GIS Mapping.
We have the project experience to engage the appropriate experts and provide a reliable and defensible work product. Survey and Mapping is the back bone of any Civil and Environmental Engineering project.
Our staff is expert in system designs following the Massachusetts Title 5 Code, as well as Wastewater system design in Vermont. We offer Title 5 Inspection services, as well as, VT Septic System Inspections. Contact us today and put our experience to work for you. Trinity provides Environmental Engineering services including Wetland Delineations, Wetland Permitting, Ecological Studies and GIS Mapping.
We have the project experience to engage the appropriate experts and provide a reliable and defensible work product. Survey and Mapping is the back bone of any Civil and Environmental Engineering project.
Services
Founded in 1997, Trinity Engineering & Technical Services, LLC provides Civil Engineering and Environmental Engineering in Vermont, and Massachusetts.
We are a full service civil and environmental engineering firm able to handle all your site development and environmental permitting needs.
Our services include wastewater system design, septic system design, water supply design, subdivisions, wetland permits, Act 250 permitting in VT, Title 5 Inspections and Title 5 design in MA, stormwater permitting, including MSGP, CGP and operational stormwater permitting.
We are a full service civil and environmental engineering firm able to handle all your site development and environmental permitting needs.
Our services include wastewater system design, septic system design, water supply design, subdivisions, wetland permits, Act 250 permitting in VT, Title 5 Inspections and Title 5 design in MA, stormwater permitting, including MSGP, CGP and operational stormwater permitting.
A water supply system must be designed to provide water of adequate quantity and quality for the proposed use.
A water supply system consists of the water source, pumping systems, water storage tank, the transmission or distribution system, and may also require a disinfection or treatment system.
Every potable water supply source has a source protection area surrounding it.
The size of the source protection area (SPA) is a function of the demand, or quantity of water that the source provides.
The shape and location of the SPA is a function of where the water source obtains its recharge.
A water supply system consists of the water source, pumping systems, water storage tank, the transmission or distribution system, and may also require a disinfection or treatment system.
Every potable water supply source has a source protection area surrounding it.
The size of the source protection area (SPA) is a function of the demand, or quantity of water that the source provides.
The shape and location of the SPA is a function of where the water source obtains its recharge.
A subdivision creates multiple parcels of land from an existing tract of land.
Subdivision design is the art of seeing what the land has to offer, working within the applicable laws to design a development that will serve the future owners and the municipality.
Designing a subdivision is sometimes very straightforward.
Simple projects need only take into consideration the local zoning requirements to meet things such as minimum frontage and minimum lot size for the zoning district in order to create a new parcel.
Subdivision design is the art of seeing what the land has to offer, working within the applicable laws to design a development that will serve the future owners and the municipality.
Designing a subdivision is sometimes very straightforward.
Simple projects need only take into consideration the local zoning requirements to meet things such as minimum frontage and minimum lot size for the zoning district in order to create a new parcel.
On certain Site Designs, retaining walls are required to provide a safe and stable grade transition.
A site design often uses a simple dry laid stone wall to define an area.
A simple gravity retaining wall can serve as an attractive way to provide a grade change in a site plan.
Improperly designed retaining walls fail by overturning, sliding, settling, or by a global slope failure.
In order to avoid a failure on taller walls it becomes increasingly important that more care go into design and construction of the retaining wall.
A site design often uses a simple dry laid stone wall to define an area.
A simple gravity retaining wall can serve as an attractive way to provide a grade change in a site plan.
Improperly designed retaining walls fail by overturning, sliding, settling, or by a global slope failure.
In order to avoid a failure on taller walls it becomes increasingly important that more care go into design and construction of the retaining wall.
Culvert and bridges must be designed to safely pass the design storm.
In addition, they must be designed to comply with stream crossings standards.
Proposed crossings must provide for Aquatic Organism Passage, or AOP.
As a result, state design standards follow the US Army Corps of Engineers requirements for stream and river continuity.
For larger streams, bottomless arch culverts are preferred.
Culverts can be used for smaller streams, but they must be embedded below the stream bed and partially filled in with rock and gravel in order to allow for a natural stream substrate on the bottom of the culvert.
In addition, they must be designed to comply with stream crossings standards.
Proposed crossings must provide for Aquatic Organism Passage, or AOP.
As a result, state design standards follow the US Army Corps of Engineers requirements for stream and river continuity.
For larger streams, bottomless arch culverts are preferred.
Culverts can be used for smaller streams, but they must be embedded below the stream bed and partially filled in with rock and gravel in order to allow for a natural stream substrate on the bottom of the culvert.
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