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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.

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

length of forcemain (long detention time) will impact the "aroma"

hydropneumatic tank with operating comments above: http://www.johnwood.com/wp-content/uploads/2014/02/Technical-Bulletin.Form-002.002.pdf

DI pipe linings & coating will depend on your application (gravity or pressure), sewer characteristics and soil conditions. DIPRA has several publications that you should review: https://www.dipra.org/ductile-iron-pipe-resources/technical-publications/applications PVC is widely used for...

http://www.fabseal.com/pit_liner_pond_liner_lagoon_liner.htm http://www.geocheminc.com/hdpealloy.htm I agree w/ PBroad and PatrickP - geomembrane is used for "barrier"

Another point to justify new smaller tank is foundation design. Seismic may be another factor depending on location.

http://www.rainbird.com/ their design manual was recommended to me to check an upcoming project. Cursory review looks like it has good basic information.

one of my Midwest clients had same problem & tried a series of retrofits with vent hoses routed back to bulk storage tank. Bulk storage tank adjacent to pump had vent, but tranfser pipe to pump was not "sloped" back UP to the tank. "crystallization" build-up in vent hose restricted...

http://www.uni-bell.org try Uni-Bell

Also, check your regulatory agency requirements, Illinois has some limitations for "old" sewer forcemain design. http://www.ilga.gov/commission/jcar/admincode/035/035003700D04700R.html

http://www.flygtus.com/19457.pdf one of my clients likes the "flush valve" w/ Flygt good luck nackra

http://www.nesc.wvu.edu/nsfc/nsfc_index.htm National Small Flows Clearinghouse has some good refs. Mound systems have some limitations Sand filters (open and buried) option depending on variety of constraints Good luck

http://www.hobaspipe.com/ http://www.meyer-polycrete.com/en/pipes/polycrete-jackingpipes.php Try these. Good Luck

During the design phase I interviewed collection staff with client (Midwestern US) to review alternate regulator devices. Staff preferred vortex regulator over the hydroslide device, but based on your relatively low flow requirements the vortex regulator is probably NOT best choice. The client...

I was working on CSO regulator designs a few years ago - you might consider the following: http://www.copa.zen.co.uk/hydroslide.htm There is another product that I will check design archive, but I believe that it is better application for larger Q situations. Good Luck

I've used Pittsburgh Corning products with aluminum jacket http://www.foamglasinsulation.com/product_info.html selection depends on several constraints - check with tech support for product to confirm

Check the attached USACE link for supplemental ideas http://www.usace.army.mil/publications/eng-manuals the EM 1110-2-3104 & 3105 mught be helpful

We used to just use hydrants (fire on large mains and flush on small mains) at or near high and low points on water mains to periodically "flush" mains.