Dan Batrack Email Address

Engineering

With more than 15 offices throughout the United States, Tetra Tech NUS provides environmental consulting and engineering, remediation, construction and information technology services to government and commercial clients. It offers air quality, regulatory compliance, environmental analysis, planning, hazardous waste management, nuclear plant licensing and risk assessment solutions. The company also specializes in the water and wastewater treatment services. Tetra Tech NUS is a subsidiary of Tetra Tech, which is one of the world s leading companies that provides consulting, engineering and technical services. Founded in 1996, the parent company maintains a staff of over 10,000 employees. It offers solutions for waterways, harbors and coastal areas. Tetra Tech operates various subsidiaries, including Tetra Tech FC, Tetra Tech International and Tetra Tech International.

Mr. Helt is experienced in both civil engineering and land surveying aspects of construction and land development projects. He has designed and prepared both small and large federal, municipal, commercial, and residential grading and drainage plans, as well as utility plans and project associated public improvement plans. Mr. Helt has prepared a variety of hydrology and hydraulic documents for review of analysis and compliance with codes and standards. He has prepared and reviewed specifications, calculations and other basis of design documents. Mr. Helt has performed field boundary and topographic surveys, as well as construction staking, certification and monitoring, and ALTA/ACSM surveys. He has considerable experience researching boundary and chain of title information, and preparing legal descriptions. Mr. Helt has extensive knowledge in the use of Autodesk’s Civil 3D software for both conceptual and detailed design studies, as well as the production of construction plan sets. He also has significant experience using Hydraflow and Hydraflow Express for flow modeling and storm routing and HEC-RAS, USEPA SWMM and Storm and Sanitary Analysis for stormwater system design and modeling.