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OK all. You have provided much useful info and help. After all this info and reading into this more, I think I came up with a final idea that I am going to submit for permits and construction. I am going to do a 6' segmental block wall with geogrid, gravel, drainage, etc approximately 4ft down...

Yes, this is on a hill. Thanks for all the responses on this topic. I can't find an engineer in my area! I found one person but he is an over-designer and said he will only consider a reinforced concrete wall that would cost $150k to build... I don't consider someone like this an engineer...

cvg, No way!...I wouldn't leave this up to a landscaper to design. I am a PE and am getting ideas from here and my own research and am going to come up with some type of design and then review with a civil engineer for final review and stamp. PEinc, I like your big block in front of the...

Thanks Ron and PEinc for your input. Ron, If I did replace the walls with the segmented block at 4' high I will need to do the three tiers again. I was reading up on this stuff and some articles mention "global ??" which I believe has something to do with looking at the whole area to determine...

PEinc, I looked into something similar, some contractors call it "Mafia Blocks" but I don't think I can get a machine in there to carry these in. Can a bobcat carry these in to the back yard? Any thoughts on the total $/sqft to use this product? thanks! Any other suggestions?

Hello. My property currently has a failing wood-tie multi-tier retaining wall on a slope that needs replacing ASAP. I did much searching and research and have come across many ideas but am looking for guidance on which to go with. COST is a BIG concern, however I want to replace this wall and...

its hard to descibe. The main outside of the building is not being replaced, just the one inside. It runs in a trench through the length of the building. We have the new main installed above the existing one in this trench. There is a shutoff right outside of the building and there is a valve...

I can't figure this out... Here's the situation: I have a building that MUST keep its water main active with the normal pressure and volume, while the main is replaced. The building is long and narrow and there is a 6" water loop that goes through the building lengthwise. In other...

well, i selected a zoeller system. For grinder pumps, it seems as though they only have a 2hp model. (the 820 or 840). I selected this pump with the panel, basin, etc to make a complete package system. Zoeller has a nice website! selection progtam, details, specs, cad details... very nice.

thanks for the replies everyone. I thought a duplex was a bit much. My boss put a duplex in the proposal and i'm trying to convince him its not necessary. I saw on another thread the e-one pumps are pretty popular. any good? I will check the other brands mentioned above. I've used goulds before.

yes, cannot gravity feed to the city sewer main. the main in the house will need to pump up to the city main in the street.

Hello all. I found a bit of info doing a search here, but I have a few more questions. I am a consulting engineer. usually do commercial, but i got this job to provide an ejector for a residential 1-family house. 1. is a duplex gringer overkill? should i just do a simplex? 2. whats the usual...

Thanks JSteven. So there definitely needs to be a dielectric fitting between the two?

Hello All. I'm working on an existing 6 story building hot water heating system. The client wants to eliminate all dielectric unions in the system because there are many that leak. The system consists of sch.40 steel pipe for the mains and risers and copper for the branches to the fintube. The...