Posts tagged micro-bioretention areas
Severn School

Bay Engineering, Inc. was the engineer of record for a tear down and rebuild of the TEEL building on the upper school campus. Bay Engineering, Inc. worked with Hord, Coplan, Macht to provide all surveying and engineering services to demolish a portion of the TEEL Academic Center, reconstruct a new 3-story addition and renovate the remaining existing structure. Bay Engineering, Inc. provided surveying services to map all existing features for the entire campus due to the location of the construction within the Chesapeake Bay Critical Areas, requiring tight impervious area and stormwater management limitations. Services included site planning, layout and design of site improvements to walks, interconnection to existing buildings and trails, stormwater management features including micro-bioretention areas and landscape/hardscape courtyard features. Bay Engineering, Inc. also provided planning, design and permitting services for a temporary classroom trailer campus for learning cottages during reconstruction of the TEEL Academic Center. Bay Engineering, Inc. provided all site permitting services for Anne Arundel County and Maryland Department of the Environment permits for both projects. During construction, Bay Engineering, Inc. provided construction services including survey stakeout, engineering inspections and asbuilts for Anne Arundel County security release.

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The James

Bay Engineering, Inc. performed professional services for a six-story proposed 237 residential apartment building. Responsibilities included site layout and design of onsite stormwater management facilities, step pool conveyance system and stream restoration. The site incorporates the use of nonstructural practices (sheet flow to conservation areas), alternative surfaces (permeable pavers), and microscale practices (micro-bioretention areas with enhanced filters) to meet stormwater management requirements for the development. This SPSC system is designed to convey runoff from the 100-year storm for the drainage area to its downstream end. The proposed stream improvements incorporate a SPSC system through the main stream channel, as well as boulder weirs to create plunge pools at two headwalls that discharge runoff from the west side of Admiral Cochrane Drive. The design is an extension of the downstream Wilelinor SPSC system, to alleviate any erosion problem throughout the length of improvements, and to slow down flows into Church Creek. A detailed watershed and stream study was conducted on the offsite receiving stream, including a detailed hydrogolical study and HEC-RAS analysis of both existing and post-development conditions.

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