Commercial Development – Civil & Drainage Engineering

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BEI supports private commercial development projects from site feasibility through permit-ready drainage design. Services are tailored to meet HCFCD, Harris County Permit Office, City of Houston, and applicable municipal drainage criteria, enabling developers and site engineers to secure drainage approval efficiently.

Scope of Services

Site drainage feasibility studies: existing conditions, outfall identification, and flood zone review
Detention basin design and routing per Harris County or applicable local criteria
SWMM drainage network modeling for site-level collection and conveyance systems
Grading and drainage plan review and coordination with civil design teams
HCFCD drainage criteria compliance: Criteria Manual Volume 2 detention and conveyance sizing
Floodplain determination and LOMA/LOMR-F support for sites within or near SFHA
Erosion and sediment control plan support (SWPPP hydraulic review)
Stormwater quality analysis: first-flush capture, LID features, and regional water quality standards
On-call drainage engineering retainer support for developers, land planners, and EPC firms

Typical Projects

Industrial Drainage	Site drainage design for industrial facilities, warehouses, and logistics parks
Retail & Mixed-Use	Detention and conveyance design for commercial site plan approvals
Subdivision Drainage	Master drainage studies for residential and commercial plat approvals
Infrastructure Studies	H&H analysis for private utility and drainage infrastructure serving development