Title 5 Septic System, Sherborn, MA
Sherborn, MA
Replacement Title 5 system for an existing 9-bedroom house and cabana with challenges including a buffer zone adjacent to bordering vegetated wetlands and a high groundwater table.
Directory
Public engineering firm profile
Trinity Engineering & Technical Services, LLC
North Adams, MA
Quality, Value, Service
- Services
- 28
- Offices
- 1
- Projects
- 7
- Leaders
- 3
- Founded
- 1997
Overview
Trinity Engineering & Technical Services, LLC provides civil engineering and environmental engineering services in Vermont and Massachusetts since 1997. Trinity handles site development and environmental permitting needs including wastewater system design, septic system design, water supply design, subdivisions, wetland permits, Act 250 permitting in Vermont, Title 5 inspections and design in Massachusetts, stormwater permitting, and material testing.
- Founded
- 1997
Services
Civil Engineering
Trinity provides civil engineering design services for a wide array of clients. Services cover stormwater, erosion control, wastewater, water supply, subdivisions, retaining wall and slope stability, stream crossings, commercial solar, and floodplain studies.
Septic System Design & Inspection
Trinity has designed and inspected over 1000 septic systems across Vermont and Massachusetts. Staff are expert in Massachusetts Title 5 Code and Vermont wastewater system design. Services include Title 5 inspections and Vermont septic system inspections.
Environmental Engineering
Trinity provides environmental engineering services including wetland delineations, wetland permitting, ecological studies, and GIS mapping.
Surveying & Mapping
Trinity provides topographic surveys, flood elevation certificates, and GIS mapping using RTK-GPS and robotic total stations.
Construction Services
Trinity assists clients with bid document preparation, RFP and RFI solicitation, engineering estimates, pre-qualifying bidders, and proposal review. Engineering services are also available to contractors needing to supplement their resources.
Material Testing Services
Trinity provides material testing for gravel pit and aggregate suppliers and contractors. Services include stockpile sampling and sieve analysis.
Industries
Firm type
Projects
Rowe Recycling Center Retaining Wall, Rowe, MA
Rowe, MA
Gravity retaining wall and slope stability measures to address a slope failure along a former landfill with the toe of slope bounded by Pelham Brook. Fast-tracked permitting and design.
Mt. Snow Academy TNC Water Supply, Dover, VT
Dover, VT
Transient Non-Community water system redesign for the Mt. Snow Academy ski school, including relocation of underground storage tanks to basement and installation of a cation-anion ion exchange system.
Fletcher Gravel Pit, Brattleboro, VT
Brattleboro, VT
Act 250 permit renewal and MSGP coverage for a gravel pit operation, including base map preparation.
25 Lot Subdivision, Cheshire, MA
Cheshire, MA
90-acre subdivision permitting with drainage in three directions and views of Mt. Greylock.
7 Lot Subdivision, Lyndonville, VT
Lyndonville, VT
233-acre subdivision on Darling Hill Road with views of Burke Mountain. Previously developed site with outdoor pavilion, private chapel, access road, farm road, and pasture land.
Woodlawn Park Mobile Home Park, Charlemont, MA
Charlemont, MA
6-lot subdivision and wastewater redesign for a 24-unit mobile home park served by a drilled well classified as a Public Water Supply, addressing multiple failed Title 5 septic systems.
Credentials and affiliations
Leadership
John E. Dupras
Owner / Professional Civil Engineer
PE, M. ASCE
John is directly involved with every project undertaken. He is a Professional Civil Engineer with over 27 years of experience registered in MA, VT, and NY. John is a Licensed Soil Evaluator and Licensed Title 5 Inspector in Massachusetts.
Gregory J. Vigna
Lead Designer & Draftsperson
Greg has been with Trinity since 2002 and is the lead designer and draftsperson. He is a Licensed Soil Evaluator in Massachusetts and a Licensed Wastewater System Designer in Vermont, and is well versed in on-site wastewater system design and wetland permitting in VT and MA.
Thomas Kirby
Engineer / Designer
Thomas joined Trinity in 2021 and is a Licensed Wastewater System Designer in Vermont. He holds a B.A. in Mathematics from Williams College and specializes in stormwater design and comprehensive permitting of subdivisions and new developments.