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Verizon Wireless Cell Tower Site Development

 

Site engineering and survey services for the development of new tower sites and collocation sites. D&K has provided site development and survey services for over 200 locations. Site locations include buildings; farm silos; and urban, rural, mountain, and wooded areas.

Project assignments involve establishing control by Global Positioning System (GPS), control traverse, verifying and establishing bench marks, locating existing property lines and access easements, topographic survey of road and site, locating existing utilities, stakeout for permitting, fly balloons for photo simulations, providing photo simulation control data to photo specialist, stakeout for construction, establishing true north line from tower, and record drawings of site and tower. For sites featuring existing towers xyz datum is provided on all existing antennas and tower sections. Review of existing easements to verify there is no possible conflicts with proposed construction and improvements.

USDA Natural Resources Conservation Service Nationwide Dams Survey Services

 

Contract to provide survey services as a subconsultant on a Nationwide Dam contract for USDA NRCS. Work was completed following NRCS Survey Standards and guidelines established under the Wetland Reserve Program (WRP) and Grassland Reserve Program (GRP). All survey data was provided in state plane metafile format for NRCS records. Assignments include:

Wiscasset, ME. Survey of a dam, a 30 acre pond, and 3 miles of stream for dam removal construction easements and new brook conservation Wetland Reserve Program (WRP) easement. Services include boundary survey, research, monumentation, and platting.

Madawaska, ME. Survey of a dam and easements necessary for dam removal on Martin’s Brook in the Township of Madawaska, Maine, on existing lands of the Town of Madawaska. Services include boundary surveys, research, monumentation, and platting.

Bow and Milton Mills, NH (2 sites). Surveys of two separate parcels of approximately 170 acres each for WRP lands in the Townships of Bow and Milton Mills, New Hampshire. Services include boundary surveys, research, monumentation, and platting.

Stewartstown, NH. Survey of an approximate 50 acre parcel to be preserved in the GRP program in the Township of Stewartstown, New Hampshire. Services included boundary surveys, research, monumentation, and platting.

USDA Natural Resources Conservation Service A/E Services for Conservation Practices

 

D&K provided survey services over a 5-year period in support of project work assignments issued under the NRCS Vermont and New Hampshire retainer contracts. Design services included civil engineering for roofed barnyard structures, streambank restorations, water supply ponds, and concrete waste storage facilities for agricultural facilities throughout Vermont and New Hampshire.

D&K survey services associated with these assignments consisted of: field topographic and bathymetric surveys, boundary survey, deed research and property plats, base map preparation, setting monuments and witness posts, three-dimensional ground terrain models, and horizontal and vertical controls. Parcels ranged from one to three acres. Several project sites involved difficult terrain. Work was completed following NRCS Survey Standards and guidelines established under the Wetland Reserve Program (WRP) and EQIP Program. Required coordination with the local NRCS WRP Program Manager/Biologist.

USDA Forest Service White Mountain National Forest South Gale Road and Bridges Reconstruction Survey

 

DuBois & King was the prime consultant for a design/build project to provide engineering and construction services for the reconstruction of South Gale Road and of four bridges. A storm event damaged sections of the roadway, removing surfacing and cutting into the subgrade and ditch, and damaging four road bridges. The roadway design included restoring the roadway sections, providing slope stability, improving drainage, and replacing aggregate surfacing and some asphalt surfacing. The roadway construction included embankment construction, drainage excavation, and installation of a culvert and paved aprons to four bridges.

DuBois & King performed field survey for an approximate .5 mile length of Forest Service highway and four stream crossings, base mapping, and utility coordination; secured geotechnical borings; identified wetlands; prepared permit applications and preliminary and final design plans in state plane coordinates; and provided construction phase services. During construction, D&K surveyors returned to the field to stake out the bridge locations and re-establish survey control in the field for the contractor.

USDA Forest Service White Mountain National Forest South Gale Road and Bridges Reconstruction

 

A storm event damaged four bridges and sections of the roadway, removing surfacing, and cutting into the subgrade. DuBois & King provided engineering and construction services for a design-build project to reconstruct 0.6 miles of South Gale Road and to address damages to four bridges.

DuBois & King led the design-build team and provided all engineering design services. The project included restoring the roadway sections, providing stability, improving drainage, and replacing aggregate surfacing and some asphalt surfacing. The road work included embankment construction, drainage excavation, and installation of a culvert and paved aprons to four bridges.

Three single-span treated timber road bridges were replaced and one repaired. The pre-existing bridges had solid-sawn timber stringers, nail-laminated decks, and timber wall abutments. Three bridges were replaced with new concrete panel abutments and wingwalls faced with real stone. The superstructures are prefabricated, glue-laminated timber stringers and decks, with matching timber railings. The fourth bridge required repair to the abutments, installation of a wearing surface, paving of the approaches, and the replacement of riprap stream armor.

D&K services included field survey and base mapping; utility coordination; geotechnical borings; wetlands identification; permit applications; preliminary and final design plans; and construction phase services.

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