Posted this in the patio section but got no response so thought I would try here...
I bought a book on pouring slabs but most of the info was geared towards patios. I want to make a 4 ft wide, 11 ft long flagstone/brick border walkway over cement and I wanted to clarify a few things.
1. The book recommends 5 inches of gravel under the slab. The heaviest thing this walkway will see is people+furniture (it leads to front door from sidewalk). Can I reduce this? Only reason I ask is to reduce depth I have to dig. Can I just place gravel and compact/spread it manually or do I have to have a power compactor? They did not go into detail on this in the book.
2. The book also recommends 3" thick slab. I have no problem with this but it is it necessary or can I put 2"?
3. I want to use 1 1/2" thick brick to border the walkway. I'm assuming flagstone + cement for setting the flagstone will not be this thick. Do I have to put a second layer of cement down after the brick border is in to raise the bed so the flagstone ends up level with the brick? I saw in the book where they have a screed with a board attached to the screed to level the cement below the brick border.
4. I calculated just over a yard of concrete at 3" thick. Is this a DIY project? I have seen people buy concrete from the local yard with a little rented hopper/trailer. I had a friend that poured a slab for an addition himself (had the cement delivered) and luckily he found an expert to help him smooth it out before it dried. But I don't have any strict requirements on the surface quality, right?
5. Any idea if this is regulated by the city? I live in San Jose, CA.
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