Reduce Sediment Runoff Without Removing Grates Sandbaggy's Combo Inlet Protection is a patented, above-ground stormwater filtration system designed to reduce sediment from entering combination curb and grate inlets on construction sites. Its four-layer HDPE construction captures sediment while allowing water to flow through, helping contractors maintain compliance with erosion and sediment control requirements. Unlike traditional inlet protection systems, Sandbaggy's installs without removing grates, making installation safer, faster, and easier. The integrated 2-inch bypass filter allows excess water to flow during high-flow conditions, while the durable, UV-stable design withstands construction traffic and can be cleaned and reused throughout the project. ⚠️ Please Note Designed for most combination curb and grate storm drain inlets. Secure in place using gravel bags (sold separately unless otherwise specified). Regular inspection and maintenance are recommended to ensure optimal performance. Verify inlet dimensions before purchasing to ensure compatibility. Specs Material: Recyclable HDPE Made in USA: Yes Filter System: Four-Layer Sediment Filtration Filter Opening Size (AOS): 425 Microns (Nominal) Filter Flow Rate (ASTM D4491): 145 GPM/ft² Minimum Vertical Height: 6 in. Filter Freeboard Height: 2 in. Functional Life: 4+ Years Reusable: Yes Easy to Clean: Yes Service Temperature: -30°F to 160°F Tensile Yield (ASTM D638): 1,800–2,800 psi Ultimate Tensile Strength (ASTM D638): 2,000–2,800 psi Unit Weight: 3–5 lbs. Pavement Seal: Yes, helps control underflow Features Captures Sediment Effectively – Patented four-layer filtration system helps prevent sediment from entering storm drains and waterways. Fast Above-Ground Installation – No grate removal required, reducing labor time and improving jobsite safety. Built-In High Flow Bypass – Integrated 2-inch vertical bypass allows water to flow during heavy rain events while maintaining filtration performance. Reusable & Long Lasting – UV-stable HDPE construction withstands construction traffic and can be reused across multiple projects. Easy Inspection & Maintenance – Visible above-ground design makes monitoring, cleaning, and maintenance quick and convenient. Lower Life Cycle Costs – Durable reusable design can reduce overall inlet protection costs by up to 50% compared to disposable alternatives. Made in USA – Proudly manufactured in the United States for dependable quality and performance on demanding construction sites. FAQs What types of storm drains does this fit? It's designed to fit most combination curb and grate storm drain inlets commonly found on construction sites. Does the grate need to be removed for installation? No. It installs above ground, eliminating the need to remove heavy grates during installation. Can this combo inlet protection filter be used for erosion control? Yes. It helps capture sediment and debris before they enter combination curb-and-grate storm drains, supporting erosion and sediment control efforts on construction sites. Is this a temporary storm drain protection solution? Yes. It is designed for temporary use during construction and maintenance projects and can be reused on future jobs. Can water still flow during heavy rain events? Yes. The built-in 2-inch high-flow bypass allows excess water to pass while helping maintain site safety. How is this guard secured in place? The system is typically anchored using gravel bags positioned around the perimeter. .important-section { background-color: #f0f0f0; /* Light gray background */ padding: 20px; border-left: 5px solid #d9534f; /* Adds a colored border on the left */ margin-left: 20px; /* Indent the section */ margin-right: 20px; /* Optional: Indent from the right as well */ } .important-heading { font-size: 24px; font-weight: bold; color: #d9534f; /* Emphasis color */ display: flex; align-items: center; margin-bottom: 10px; } .important-heading img { margin-right: 10px; } .important-section ul, .important-section p { margin-left: 20px; /* Indent lists and paragraphs inside the section */ } .important-section ul ul { margin-left: 20px; /* Slightly indent nested lists */ }
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