The District 3-0 Central Susquehanna Valley Transportation (CSVT) Project was a 12-mile highway project implemented by PennDOT to ease a major traffic bottleneck through portions of Northumberland, Snyder, and Union Counties. NTM was involved with the project’s 2D model task for the project’s Northern Section in Northumberland and Union Counties, which featured a 2D hydraulic […]
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.
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 […]
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 […]
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 […]
The SR 0706 Section 504 Betterment Project in Susquehanna County is the final design for approximately 3.5 miles of road, including a 1.5-mile-long center turn lane through a commercially developed area just east of Montrose Borough. NTM was responsible for the drainage design, Erosion and Sediment Pollution Control Plan, Post-Construction Stormwater Management Plan, and NPDES […]