Slide a sonotube in to form it up.
Secure shakey rail without drilling into floor.
Drive screws through the holes to secure the bracket to the floor.
I d scrape paint from the base to see what s under there a close look seems to reveal that it may be in pieces that are either screwed together or snapped in the base appears to be cast iron so welding to it may be difficult the holes in the floor appear to be nail holes and not termites in my opinion as a last resort i would cut the base from the floor disconnect it from the wall and get it.
Drill a clearance hole through the wood and into the concrete using a masonry drill.
They provide a strong and fast way to attach to concrete but you.
Your mortar nails should go through the wood entirely and penetrate the concrete by 3 4 inch 1 9 cm if possible.
Level it to the needed height and fill it with concrete.
There are other methods you can use too.
Align and level the brackets and you re all set to secure your shed.
Insert the wood post in the post bracket and screw or nail it in place.
Round hole with base shoe by far the fastest and easiest method.
The following visual guide showcases 6 different methods of installing square balusters with and without shoes.
First the treads or shoe plate on a knee wall or floor level are installed as well as the newel posts.
This is usually a much easier job than driving nails by hand.
This requires drilling a round hole and using a shoe to hide the left over gaps.
Select nails that will penetrate at least 3 4 inch 1 9 cm into the concrete.
Typically a package of these screws comes with a masonry drill bit sized to the screw diameter.
If you can find nails that will penetrate the concrete deeper than 3 4 inch 1 9 cm this can create an even more secure hold.
Set a galvanized anchor bracket in before the concrete sets.
Drill or dig the holes tamp some gravel into the bottom.
Drill holes into the concrete that are the right diameter for lead shields using a masonry bit in a hammer drill.
Then the handrail is fitted and temporarily attached to the posts or walls.
Insert lead shields into the holes in the concrete.
Place the railing in place on the floor place the bracket with one side tight against the rail and one side flat on the floor.
Use lag bolts or screws to attach the metal post bracket to the concrete.
Powder actuated fasteners are ideal for securing 2x4 sleepers to floors furring strips to walls and plywood subfloors to slabs.
Place your handrail over this pipe and secure in place with a quick weld or with a screw going through both pipes.
To install them position the wood part in place.