Gillespie Precast Plant 1 and Plant 2 achieve a score of 100% on the mandatory surprise NPCA annual audit. Read more
DE and DC Box Culvert Styles
The Gillespie Precast, LLC Modular Sand Filter conforms to current Delaware National Resources Environmental Control (DNREC) and Environmental Protection Agency (EPA) specifications. The standard precast concrete tank is divided into two equal sized parallel chambers. The dimension of each being 7′ – 10″ by 2′ – 0″ by from 2′ 6″ to 4′ 0″ deep depending on local conditions.
Benefits & Features
Effective and safe removal of pollutants, floatables and heavy sediments
Space saving stormwater filtration in highly developed sites and sites with steep slopes
Production, Specification and Approvals Information
Gillespie Precast is a fifth-generation, family-operated company manufacturing and selling concrete products. Our affiliate company, Gillespie & Son has been servicing ready-mix concrete needs since 1922. Our motto is “We make it work for you!”
Gillespie Precast operates three plants that are National Precast Concrete Association (NPCA) certified.
We serve the mid-Atlantic region including the Maryland, Delaware, Virginia, New Jersey, and Washington D.C. markets. Location Info