As subconsultant to Urban Engineers for on-call airport engineering services required for a new 500 linear foot runway extension to the main 5,000 LF runway at Delaware Coastal Airport in Georgetown, Landmark provided surveying, environmental services, stormwater design, erosion and sediment control, agency processing, and GIS services in accordance with FAA circulars AC 150/5300 – […]
Client Type: Engineers
Airport Off-Site Wetland Mitigation
This 9.06± acre forested/scrub-shrub Wetland Mitigation project consisted of four separate wetland creation “pods” that were constructed in Selbyville, Delaware during spring 2012 as off-site compensatory mitigation for runway expansion activities conducted at the Delaware Coastal Airport in Georgetown in order to resolve an outstanding wetland violation from the 1990s, Landmark scientists coordinated closely with […]
UD Ecology Woods Wetland Mitigation
An off-site wetland mitigation project was constructed at the University of Delaware’s Ecology Woods as part of commercial project located elsewhere in the same watershed. The Marvel Plaza project is a 5.60± acre site that consisted of an entirely wooded tract off of Stanton-Christiana Road which contained 1.11 acres of non-tidal, palustrine forested wetlands, in […]
Christina Waterfront Brownfield
Landmark was contracted by the owner to provide DNREC HSCA Brownfield Redevelopment planning for the 6-acre (Jablow) site, DNREC negotiations, investigation, and cleanup oversight. The engineering work performed included regrading and clean up of an existing contaminated ditch and erosion and sediment control to ensure that contaminated materials did not reach the Christina River, a […]
Pulaski Highway Natural Gas Main
Landmark provided topographic survey, wetland delineation, permitting, and utility design for nearly six-miles of 6-inch steel gas transmission main extension along Pulaski Highway (US Route 40). The project to connect one natural gas transmission system in New Castle County, Delaware to a proposed substation at Nottingham Road in Cecil County, Maryland was completed on behalf […]
