SLNC Registration case studies
SLNC Registration · Put your knowledge to work in context.
SLNC Registration is a professional credential for practitioners working in land, site, and natural-resource compliance - people who assess sites, apply standards and codes, produce designs and specifications, oversee installation and construction, verify work through inspection and testing, and document decisions ethically. The exam is delivered as multiple choice and is organized around six domains: Standards, Codes, and Regulations (20%); Site Assessment and Planning (15%); Design and Specification (20%); Installation and Construction Practices (20%); Inspection, Testing, and Verification (15%); and Documentation, Reporting, and Ethics (10%). The SLNC Registration case studies are 5 cases and about 2,266 words.
1Setback and Separation Conflicts on a Tight Lot
An installer is asked to replace a failed 3-bedroom system on a 0.35-acre lot. The proposed 60-ft by 3-ft conventional trench is 70 ft from the private well and 8 ft from the property line.
502 words, about 3 min2Soil Morphology Versus a Fast Percolation Test
A site evaluator visits a 1.1-acre parcel for a 4-bedroom home. Two soil pits are dug.
458 words, about 2 min3Tank, Trench, and Dose Sizing for a Four-Bedroom Home
A designer is preparing plans for a 4-bedroom home with a garbage disposal and a water softener. The local code assigns 120 gpd per bedroom, requires a 1,000-gal tank for up to three bedrooms plus 250 gal for each additional bedroom, and adds 250 gal when a garbage disposal is installed.
469 words, about 2 min4Groundwater, Bedrock, and a Low Tank Outlet During Installation
A crew is installing a 1,500-gal concrete tank and a six-trench system. The approved plan shows the tank outlet invert at 36.0 in above the distribution-box invert and trench bottoms at 30 in below grade with 24-in separation to bedrock.
407 words, about 2 min5Final Inspection Under a Closing Deadline
A final inspection is scheduled for a 4-bedroom, 480-gpd pressure-distributed system. The as-built shows five trenches at 72 ft instead of six at 60 ft, for the same total length of 360 ft.
430 words, about 2 min