Project Engineer
Experience and Qualifications
Ms. Giraldi has served as Project Engineer on a variety of bridge projects in the States of New Hampshire and Vermont. In addition, while employed at the State of New Hampshire, Department of Transportation, she has served in several capacities as a Civil Engineer I and Civil Engineer II, performing in capacities such as preliminary and final design of bridges; materials and research; survey; enginering audit; and hydrology and drainage calculations.
Education and Training
MS, Civil Engineering, Georgia Tech, 1992
Previous Employment
2005-Present Quantum Construction Consultants, LLC
1997-2005 CLD Consulting Engineers, Inc.
1994-1995
State of New Hampshire, DOT
Rehabilitation and Replacement Bridges
- White Birch Point Road over Great Brook, Antrim, NH – Design and construction administration of an emergency bridge replacement. Flooding in October 2005 caused failure of a municipal culvert and roadway just downstream of Gregg Lake Dam. The replacement bridge is a 20-foot precast concrete bridge on a new alignment downstream of the existing pipe to allow for local use of the existing road during construction, as well as to accommodate proper hydraulic discharge from the dam spillway. Project required close coordination with the Town, NHDES, FEMA and NHDOT.
- North Main Street Bridge over Miller Brook, Antrim NH – Design of the replacement of a deteriorated 10-foot concrete barrel arch, constructed in 1914. The proposed replacement structure will be a precast concrete box with inside dimensions of 12 feet wide (span) by 10 feet high with natural streambed material placed in the invert. The structure will be 40 feet wide out-to-out to allow for a 22-foot travel way, with roadway shoulders and a driven guardrail system.
- Moonshadow Drive over Gumpas Pond Brook, Pelham, NH – Design of a 14-foot precast concrete rigid frame bridge and cast-in-place foundations to provide access across a wetland area to a new residential subdivision. The approach roadway required a total of 500 feet of mechanically stabilized earth (MSE) retaining walls, with a maximum exposed height of approximately 8 feet, to minimize wetland area impacts.
- Oak Hill Road Bridge over Cross Brook, Northfield, NH – Design and construction administration of an emergency bridge replacement. Flooding in October 2005 caused failure of a municipal roadway around an existing deteriorated 13-foot corrugated metal pipe. A fast track design was implemented for a 20-foot span precast concrete bridge that was bid in January 2006. Project required close coordination with the Town, FEMA and NHDOT.
- Cooper Road over George’s Brook, Hebron, NH – Design for full replacement of the existing red-listed one-lane bridge with a 35-foot span precast voided slab superstructure supported on new cast-in-place concrete abutments. Bridge was widened to two lanes and the related approach roadway work was realigned to accommodate the widening. The existing bridge was in a “dip” and by raising the grade at the bridge by approximately three feet, and by cutting the crest of the hill on the east side of the approach, the “dip” was eliminated.
- Main Street Bridge over Lamprey River, Raymond, NH – Design for full replacement of a red-listed two span bridge with a 54-span curved bridge deck on straight steel plate girders. The Main Street bridge alignment was difficult to travel, even at low speeds, due to a sharp curve adjacent to the bridge. Buildings are in close proximity to the roadway throughout the project limits, making it difficult to avoid property impacts. The project “softened” the existing sharp curve alignment by realigning the new bridge and approaches. The new alignment minimized property and wetland impacts without sacrificing the safety of the traveling public.
- Coffin Brook Road, Alton, NH – Design for full replacement of two red-listed town bridges under the Municipal Bridge Aid Program. For the “Ravine” Bridge, a 20-foot precast arch was selected as the most cost effective structure due to significant fills, and a 3-foot raise in grade. The roadway alignment was redesigned due to a large sag in the profile and poor sight distance from both approaches. The “Swamp” Bridge is located in a large wetland. The roadway was a “corduroy” road, meaning logs were placed in the mud when the road was originally constructed to support the base. Any rise in the profile or widening of the road could create settlement problems due to muck below. The replacement structure incorporated solid precast concrete slabs to minimize the depth of structure; thereby keeping the same vertical clearance over the water without raising the profile. Pile supported stub abutments were constructed behind the existing abutments to reduce wetland impacts.
- Bridge No. 21, Royalton, VT – Final design of the replacement of a deteriorated, narrow (20-foot travel way) three-span, reinforced concrete T-beam bridge. The proposed structure is a 130-foot single-span steel plate girder bridge, with a curb-to-curb width of 31’-9” and a 5’-6” wide sidewalk on the downstream side.
- NH Route 11, Sugar River Bridge and 103 Culvert, Claremont, NH – Rehabilitation of an existing 3-meter span galvanized steel arch and replacement of Sugar River Bridge. The proposed culvert is an aluminum plate arch that will be slipped through the existing steel arch and grouted between the existing and proposed structures for support. The new arch extends out approximately 4.8 meters on one side of the existing arch, allowing for the widening of the road. The new culvert upgraded the load carrying capacity of the existing bridge to a MS22.5 loading.
- Vermont Route 100 over the West River, Jamaica, VT – Design for full replacement of an existing steel Parker through truss main span and two steel girder approach spans. The replacement bridge involved the construction of a new 49 m steel through truss bridge with one 31 m slab-on-girder approach span. The new bridge was designed for a HS25 load capacity and provides a 9.76 m roadway.
- Great Brook Cutler Shop Dam, Antrim, NH –The Great Cutler Brook Shop Dam is a mortared field stone masonry dam, having a maximum height of 10 feet, and an overall length of approximately 200 feet. The dam had deteriorated over time and was in need of repair. The dam was overtopped by high flows, and the roadway culvert located immediately downstream was washed out. The Town replaced the culvert and repaired the dam at the same time. Ms. Giraldi designed a concrete retaining wall which was located between the new arch bridge and the dam. She also prepared design drawings for the repair of the dam and provided part time construction observation and assistance during construction.