Category: Services
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MS4 Infrastructure Mapping
By January 1, 2026, New Jersey Municipalities must update their Municipal Separate Storm Sewer System (MS4) Stormwater Infrastructure Maps. These maps must delineate the location of the following stormwater features that are owned or operated by the permittee, including their associated attributes. These Tier A MS4 Permit requirements are outlined in the deliverables timeline effective…
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Sodium Hypochlorite Storage Tank Design, Maryland Chemical Company, Baltimore, Maryland

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Bidding Services
ERI is extremely experienced in the preparation of design plans and specifications for the purposes of achieving successful public bids in a timely manner. We also understand that once the contract documents have been prepared and the pre-bid meeting held, our clients are interested in the results of a successful bid on the first round, leading to…




