SW3220301_Stormwater Narrative_20220420

NARRATIVE (Revised)
Mini -Storage USA is a proposed mini -warehouse project located off Hwy 74 in Wingate
NC (Union County). The site is in the Yadkin Pee -Dee River Basin and drains to Rays
Fork Creek. The site is in the Town of Wingate Zoning District. Stormwater is regulated
by NCDEQ.
The scope of work includes clearing, grubbing, and grading for building pads. Scope
also includes the installation of temporary skimmer basin, silt fence, coir mesh wattle
check dams, stone base, and pavement.
The disturbed acreage is 1.8 acres.
Based on USDA Web Soil Survey data the area soils primarily classify as BuB, a Badin-
Urban land complex indicative of a hydraulic group C.
There are no jurisdictional features on the site as verified by Thompson Environmental.
A Sand Filter SCM is proposed to provide the required water quality treatment and water
quantity runoff controls as required by NCDEQ & Town of Wingate. The SCM Sand
Filter is designed in accordance with NCDEQ Minimum Design Criteria requirements.
The SHWT was evaluated by Thompson Environmental.
It is anticipated that the mini -warehouse units will be constructed in 3 phases. The
development is proposed as "high density". The SCM is designed to treat and control a
built upon area of 1.305 acres at ultimate built out.