H&H Projects

SR 0228 Mars-Valencia Road Widening and Section 251 Arch Culvert Extension

Client: PennDOT District 10-0
Location: Adams Township, Butler County, PA

NTM Engineering provided the Post-Construction Stormwater Management (PCSM) Plan, Erosion and Sediment Pollution Control (E&S) Plan, NPDES (stormwater) Permit, and Dam Safety Permit for 1.25 miles of roadway widening (from two to four lanes and from three to six lanes) along SR 0228, Mars-Valencia Road. Design challenges included discharging to waters with 303(d) impairments, soils […]

SR 1024 Salford Station Road Bridge Replacement Project

Client: PennDOT District 6-0
Location: Upper Salford Township, Montgomery County, PA

NTM Engineering provided bridge design services and hydrologic and hydraulic (H&H) analysis for the Salford Station Road (SR 1024) project in Upper Salford Township, Montgomery County, Pennsylvania. The project involved two proposed bridge replacements. The first bridge (SR 1024 Section NRV) is a 40-foot-long, single-span, rolled-steel, I-beam bridge over the Mill Race. This bridge, built in […]

Statewide Hydrologic & Hydraulic (H&H) Services

Client: PennDOT Bureau of Project Delivery
Location: Statewide

PennDOT’s Bureau of Project Delivery has awarded NTM Engineering a contract to provide statewide hydrologic and hydraulic (H&H) services. NTM has extensive experience not only developing H&H reports and permit applications, but also providing H&H services, such as policy and procedure review of design manuals and strike-off letters, QA reviews of H&H reports and waterway […]

Tacony Creek Stream Corridor Restoration – Reaches 4 and 5

Client: Philadelphia Water Department
Location: Northeast Philadelphia, PA

NTM Engineering was part of an AKRF team restoring and enhancing Reaches 4 and 5 of the Tacony Creek Park’s ecosystem. As part of its restoration and green initiatives, the Philadelphia Water Department intends to restore the Tacony Creek stream corridor, which extends from Cheltenham Avenue on the upstream extent down to Castor Avenue on […]

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H&H Projects

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