Recent content by nackra

I did a project with debris barriers and learned that there was a modified version for race tracks: https://www.geobrugg.com/product_en,,136754.html

what type of pumps are used? * diaphragm * peristaltic

we have used tanks from this manufacturer for a variety of chemicals including hypochlorite, alum, bisulfite: https://www.polyprocessing.com/

Pervious pavement will require maintenance to remain "pervious" About 15-years ago city installed an "innovative" infiltration drain system for a storm drain (aka, storm sewers in the Midwest) under a street. I learned about the installation after working for the city a couple of years. Street...

chemical supplier should provide SDS for hypochlorite https://olinchloralkali.com/wp-content/uploads/2019/06/Sodium-Hypochlorite-5-17_US_EN.pdf hypochlorite will definitely corrode metals. The hypochlorite concentration/strength will affect the amount of corrosion.

any groundwater to account for?

Reference that might be useful: https://directives.sc.egov.usda.gov/OpenNonWebContent.aspx?content=17816.wba

Mound system may work. The footprint may be too large to fit in a "small yard" https://www.nesc.wvu.edu/wastewater/onsite-wastewater-systems

buoyancy reference: https://precast.org/wp-content/uploads/2022/08/NPCA-Buoyancy-White-Paper-2022.pdf Concrete canoes float

Other reference guides for your consideration: https://precast.org/wp-content/uploads/2021/10/Manhole-Sizing-Recommendations-2021.pdf https://precast.org/2012/12/anatomy-of-a-doghouse-manhole/?fs=doghouse

I have used this fitting on projects: https://ebaa.com/products/spotlight/FLEX-TEND_Installation/index.php 1503-44 hits critical points

reduction in strength and durability problems down the road. https://www.forconstructionpros.com/concrete/equipment-products/article/11486068/twining-inc-hot-weather-effects-on-concrete

When was the farmhouse originally built? Maybe stone foundation was replaced with concrete in "sections" - butting up against stone... Just a thought. I agree - not shrinkage cracks!

NASSCO has some references that will help your assessment https://live-nassco.pantheonsite.io/resources/ LittleWheels has offered good guidance

maybe when they modified when they widened the 101 and off-ramp