Stormwater Planning and Design

Philadelphia Water Department Regulatory Consulting Services

Client: Philadelphia Water Department
Location: Philadelphia, PA

NTM Engineering was part of a contract to provide technical support and outreach assistance for the Philadelphia Water Department to assist with augmenting existing regulations included under the Department’s Stormwater Management Guidance Manual and Stormwater Management Regulations. The Manual serves as the private development community’s primary source of stormwater management information. All regulations were redeveloped […]

Germantown Flood Relief Capital Improvement Plan

Client: Philadelphia Water Department
Location: Philadelphia County, PA

For the Germantown Flood Relief Capital Improvement Project, NTM assisted in the data collection and reviewed data of previous studies including the AIM1 Report. NTM provided insights on integration of the existing system and alternatives with the upstream/adjacent watershed, utilizing knowledge from experience and modeling with the Act 167 stormwater management plan. NTM Engineering evaluated the existing EPS Stormwater Management Model (SWMM) for input data accuracy, including […]

Antidegradation and Post-Construction Stormwater Management Policy

Client: PennDOT Bureau of Project Delivery
Location: Statewide

The PennDOT Bureau of Project Delivery’s Antidegradation and Post-Construction Stormwater Management Policy is the first comprehensive stormwater policy adopted by PennDOT. NTM Engineering assisted the Bureau of Project Delivery’s Highway Quality Assurance Division with developing and writing this Policy.

Cayuga Street/Ferko Playground Storm Sewer

Client: Philadelphia Water Department
Location: Northeast Philadelphia, PA

Under the Philadelphia Water Department’s Green Streets Initiative (GSI), NTM provided conceptual and final designs for the Cayuga Street green storm sewer system. The green storm sewer system will convey runoff to a subsurface infiltration system, designed by others, that will be constructed beneath the Ferko Playground in Juniata Park within the City’s northeast […]

Mount Joy Rail Enhancement Project Independent Review

Client: PennDOT Bureau of Public Transportation
Location: Borough of Mount Joy, Lancaster County, PA

PennDOT’s Bureau of Public Transportation (BPT) hired NTM Engineering to perform a drainage study in the area of proposed improvements to the Keystone Corridor railroad station, in the Borough of Mount Joy. The study’s goal was to identify project effects on runoff to the railway and to evaluate runoff mitigation alternatives. The proposed project entails […]

U.S. Botanic Garden – Stormwater Re-use Investigation

Client: U.S. Botanic Garden
Location: National Mall, Washington, DC

Located at the base of Capitol Hill, the United State Botanic Garden (USBG) includes the Conservatory and surrounding landscapes, the National Garden, and Bartholdi Park. Its mission is demonstrating the aesthetic, cultural, economic, therapeutic, and ecological importance of plants to human beings. To reduce its pollutant contributions to the Potomac, to re-use stormwater, and to […]

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Stormwater Planning and Design

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