Surveying the Structural Slab Relative to the Existing House

Two surveyors, Jason Paris and Brodie, from Dunbar and Craig were on our site this morning to verify our buiding location relative to the property lines and setbacks.

Establishing the Elevations from the Monte Sereno Benchmarks

We needed to have a licensed surveyor to verify where the structure is in the setbacks relative to the property lines.  Considering that the existing structure hasn’t moved, this should have been relatively easy.  After the licensed surveyor verified the position of the building and it wasn’t in the setbacks then we should receive approval to pour concrete for the new retaining walls.

Dunbar and Craig dispatched two field technicians this morning, to confirm the exact location of our existing house.  Using the City of Monte Sereno benchmark system, they confirmed the location of the existing structure and then the elevation of the structural slab that we poured last week.  From these points, they will verify where the structure is relative to the property lines that they had surveyed previously.

Importantly, the surveyors scored offset marks in each of the four corners of the existing structure in the structural slab.  These offset marks will be used to ensure the new concrete retaining walls below grade are in the correct location and are perfectly square.  We need to have concrete retaining walls that are square so the interior walls are also square.

Offset in south-west corner of the house by 3'10".

Offset in south-west corner of the house by 3'10".

They established one point in the Stair Well with an elevation.  This point should be exposed most of the way through to completion so having this point is an investment in future surveying.

Curb between Guest Suite/Snack Area and Stair Well.
Curb between Guest Suite/Snack Area and Stair Well.

Preparing to Shoot the Test Panel

The shotcrete test panel will be completed tomorrow.  We need to show that our nozzleman, pumper and shotcrete mix will be able to produce a test panel that will be structurally sound and meet the specifications for the concrete retaining wall established by our foundation engineer, Duquette Engineering.

Late in the day, we engaged HP Inspections as our independent inspectors to verify the specifications were met for the test panel, and then for the actual concrete retaining walls in our building.

Bill Brown came to our project site at the end of the day to confirm the testing procedures with Scott Pinkham, of HP Inspections.

Bill Brown reviews the rebar density on the test panel while speaking with Scott Pinkham of HP Inspections.

Bill Brown reviews the rebar density on the test panel while speaking on a mobile phone with Scott Pinkham of HP Inspections.

 Addressing Monte Sereno’s City Council

Bryan attended the City Council meeting and took the opportunity to address City Council during the ‘Oral Communications’ portion of the meeting.  His comments were noted in the minutes of the meeting.

Leave a Reply

Your email address will not be published. Required fields are marked *