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Civil Engineering

Our passionate team harnesses vast experience, leading-edge technology, and innovative environmental practices to guide your civil engineering project.

DAE SIGNATURE SERVICE

I/A Septic Design

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Take a deep dive into our I/A Septic Design:

 

Capabilities
Technical Details
Process of Working with DAE
Featured Projects

Expertise in all aspects of civil engineering and site design.

Innovative/Alternative
Septic System Design

Stormwater Management
& Landscape Drainage Design

Stormwater Pollution
Prevention Plan (SWPPP)

Grading & Earthwork

Subdivision Development

Civil Capabilities

Innovative/Alternative
Septic System Design

Since the inception of I/A OWTS septic system requirements in eastern Long Island, DAE has been at the forefront of managing septic system design and the necessary application processes to the Suffolk County Health Department. With our extensive expertise, we specialize in both residential and commercial innovative and alternative (I/A) septic designs and permitting. These systems incorporate advanced technologies and treatment processes to improve the quality of effluent before discharge.

● Design and permitting of I/A septic systems specifically in areas with sensitive environments, limited space, high water tables or where standard septic systems are not an option

 

● Well-versed in navigating the Suffolk County Health Department’s septic permit procedures, ensuring compliance with all necessary regulations

 

● Experts at tackling challenging site conditions including those with high groundwater levels, wells, wetlands, driveway covenants and poor-draining soils

 

Commercial flow rate assessments to evaluate and determine the appropriate septic system design to accommodate specific project requirements and demands

 

● Comprehensive septic inspections and certifications

 

● Proactively assist clients by facilitating the collection of essential pre-design documentation, including test holes, surveys, mark outs, and neighboring well locations

Stormwater Management & Landscape Drainage Design

Drainage plans are required by most municipalities as part of a building permit application or by NYSDEC/Town Wetlands for an environmental permit. Our expertise extends to:

● Drainage plans for municipal, DEC, and wetlands board permits

 

● High groundwater drainage techniques including shallow retention systems, gravel beds, and french drains

 

● Areaway and lightwell draining

Stormwater Pollution Prevention Plan (SWPPP)

The owner/operator of any NYS construction project that will involve soil disturbance of one or more acres must obtain coverage under the State Pollutant Discharge Elimination System (SPEDES) General Permit for Stormwater Discharges from Construction Activity. DAE helps identify when a Stormwater Pollution Prevention Plan (SWPPP) is required and guides you through the entire process. This includes:

● Stormwater Pollution Prevention Plan preparation

 

● SWPPP management through MS4 acceptance and DEC approval

 

● SWPPP inspections

Grading & Earthwork

Site conditions in coastal areas present a myriad of challenges. Our firm offers a full range of site design services to integrate your plan into the existing landscape. Services involve:

● Site grading plans

 

● Cut and Fill Analysis

 

● Driveway and road plans

 

● Retaining wall designs

Subdivision Development

As vacant land becomes more limited and zoning regulations increase, subdivision approval can be a daunting endeavor. Our firm leverages a network of partners to handle project approval efficiently. DAE experience covers:

● Subdivision planning and management

 

● Subdivision plan review and certification

 

● Subdivision applications with Suffolk County Health Department

 

● Lot Line Modification applications with the Suffolk County Health Department

Civil Capabilities

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Our Approach

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3D Modeling & Analysis

We leverage the power of civil modeling software to develop 3D site plans, enabling enhanced precision and coordination across the entire project site. This facilitates the integration of various data sources into the model, ensuring the design aligns with real-world conditions. A comprehensive visualization of the project allows stakeholders to better understand the proposed design and its impact on the site. By utilizing civil 3D tools and advanced modeling capabilities, we provide greater accuracy, improved coordination and streamlined project workflows.

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Collaboration & Communication

Our team of engineers collaborates closely with architects, owners and designers throughout the entire process, starting with the foundation of individualized design criteria to the development of a customized engineering approach. This collective teaming approach ensures that the final design aligns with our clients’ vision while also maintaining practicality and feasibility.

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Innovative Approach

With our expertise, we possess a wealth of experience in seamlessly incorporating non-traditional materials and employing innovative analysis processes to address even the most demanding site conditions. Our approach is always environmentally conscious, ensuring sustainable solutions that are in harmony with the surrounding environment.

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Experience

We have a long-standing history of designing and obtaining permits for Innovative/Alternative Onsite Wastewater Treatment Systems (I/A-OWTS) since their mandatory implementation on the east end of Long Island. Our team’s extensive experience, coupled with our commitment to integrating the latest advancements in technology, enables us to provide exceptional service to our clients throughout the entire process.

Civil Engineering Resources

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Deep Excavations – Impact of Poor
Draining Soils on Long Island Septic
Design (I/A-OWTS)

Septic System
Calculator

Long Island Septic Systems –
Shift to I/A-OWTS

Most Common Civil Engineering Questions

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