Scope of work for concrete repair (Summer 2024)

BELOW THE JUMP, this post describes certain concrete-repair and waterproofing work that is needed due to water damage. 

Anti-corrosion primer applied during a repair to south wall in 2023.
(As usual, click/tap on an image to enlarge it.)

The following description is intended for the contractors whom I am asking to bid on the job.…

Price each element separately, and price the package together.

1.  South face of foundation wall along the front steps: Delaminating plaster

PART 1.  Scrape the plaster off the stem wall.

PART 2.  Repair any spalling and rebar corrosion (including coating exposed rebar with Sika Armatec 110 or equivalent, and Rapid Set CementAll patch), and apply textured Xypex (or equivalent waterproofing) to whole surface. Finished ready-to-paint surface needs to resemble the present texture.

PART 3.  Gently curb the lip along the top of the stem wall with textured Xypex (or equivalent waterproofing), to discourage the pooling of rainwater there.

2.  Southwest edge (planter and foundation wall at portico): Bubbling paint and delaminating plaster

See further description here.

Same as Part 1 and Part 2 above. Finished ready-to-paint surface needs to resemble the present texture.

3.  Retaining wall of stairwell below school building: Spalling at old patch

See further description HERE.

PART 1.  Remove old patch; repair all spalling and rebar corrosion and repatch (as Part 2 above).

PART 2.  Coat entire retaining wall with long-lasting waterproofing compound, such as Aquafin 1k or equivalent. (Price out separately.)

PART 3.  Coat top surface above retaining wall with the same compound. (Price out separately.)

4.  Southeast basement corner mechanical room: Leaking walls

See further description HERE.

Perform injection grouting on 1½ walls for positive-side waterproofing. Drill holes at approx. 12" apart. Inject Sealboss 1510 or equivalent, to fill voids and cracks.