Unbonded Post-Tensioned Slab Pre-Pour Inspection Checklist

• Date

• Job Number:

• Job Name:

• Location of Pour
  Address

1. Preparation

• 1a. Have own set of current approved drawings (Structural, Post-Tensioning tendon placement drawings & Rebar placement drawings)

  YES

  NO

  N/A

• Corrective Action Taken:

• Date of drawings (Structural, PT, & Rebar):

• 1b. Have consulted with Engineer over critical inspection needs for this slab

  YES

  NO

  N/A

• Corrective Action Taken:

• Name of Engineer

• Engr. Tel.#

2. Formwork

• 2a. Geometry of drop caps, drop panels, beams, soffit slopes, slab thicknesses, etc.

  YES

  NO

  N/A

• Corrective Action Taken:

• Slab thickness:

• 2b. Tight, clean & free of puddles

  YES

  NO

  N/A

• Corrective Action Taken:

• 2c. Reshoring in place if required

  YES

  NO

  N/A

• Corrective Action Taken:

• 2d. Correct slab edge geometry

  YES

  NO

  N/A

• Corrective Action Taken:

• Slab edge installed per drawing:

• Dated:

• Slab edge anticipated to shorten __" after stressing.

3. Mild Steel Reinforcing

• 3a. Reinforcing at walls and columns (sizes, lengths, spacing & staggers)

  YES

  NO

  N/A

• Corrective Action Taken:

• 3b. Bottom mat (size & spacing)

  YES

  NO

  N/A

• Corrective Action Taken:

• 3c. Beams (top bars, bottom bars, bar cutoff points, stirrups & spacings)

  YES

  NO

  N/A

• Corrective Action Taken:

• 3d. Additional special locations shown on plans (corners, etc.)

  YES

  NO

  N/A

• Corrective Action Taken:

• 3e. Cover:

  YES

  NO

  N/A

• Corrective Action Taken:

• Cover required at top:

• Cover required at bottom:

• 3f. Clean

  YES

  NO

  N/A

• Corrective Action Taken:

• 3g. Lap splice lengths (bottom mat, beams, etc.)

  YES

  NO

  N/A

• Corrective Action Taken:

• 3h. Slab/wall dowels cast into walls & at position within slab

  YES

  NO

  N/A

• Corrective Action Taken:

• 3i. Reinforcing & chairs securely tied

  YES

  NO

  N/A

• Corrective Action Taken:

• 3j. Proper tools used for field bends

  YES

  NO

  N/A

• Corrective Action Taken:

• 3k. Proper grade reinforcement

  YES

  NO

  N/A

• Corrective Action Taken:

4. Post-Tensioning

• Is there post-tensioning on this slab?

  YES

  NO

  N/A

• 4a. Tendon condition (sheathing intact, no kinks, no tears, etc.)

  Yes

  No

  N/A

• Corrective Action Taken:

• 4b. Number and location of tendons

  Yes

  No

  N/A

• Corrective Action Taken:

• 4c. Tendon profiles (all high points and low points checked)

  Yes

  No

  N/A

• Corrective Action Taken:

• Tolerance per drawings:

• 4d. Smooth curvature of tendons (horizontally and vertically)

  Yes

  No

  N/A

• Corrective Action Taken:

• 4e. Sweep of tendons around blockouts & openings (smooth curvature & radius per drawings)

  Yes

  No

  N/A

• Corrective Action Taken:

• 4f. Column cap details (precedence of tendon layers, etc.)

  YES

  NO

  N/A

• Corrective Action Taken:

• 4g. Watertight corrosion protection details

  Yes

  No

  N/A

• Corrective Action Taken:

• 4h. Tendons, support bars and chairs securely tied at all support locations

  Yes

  No

  N/A

• Corrective Action Taken:

• 4i. Tendons locations marked on forms for future reference

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j. Anchorages

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-1. Special reinforcing details

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-2. Live ends secured tightly to formwork

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-3. Dead ends chaired to appropriate profile

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-4. Anchors to bear against solid concrete (not near conduit, etc.)

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-5. Spacing, stagger, & orientation of anchors

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-6. Tendon straight into anchor (per placement drawings)

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-7. Adequate tails for stressing

  Yes

  No

  N/A

• Corrective Action Taken:

• 4j-8. Adequate clearance for stressing equipment

  Yes

  No

  N/A

• Corrective Action Taken:

• 4k. Sweep bars installed per Structural drawings (detail 24/S-408 states: required for cable sweeps tighter than 1" in 12", clear distance between cables = 2", and #4 U-bars installed 12" on center over length of curved section for each bundle)

  Yes

  No

  N/A

• Corrective Action Taken:

• 4l. Backup bars installed at groups of 6 or more cables

  Yes

  No

  N/A

• Corrective Action Taken:

• Backup bar to be placed 3/8 of the slab thickness away from the anchors (ex: 3" for 8" slab, 3.75" for 10" slab, 4.5" for 12" slabs)

• 4m. Backup bars installed at dead ends at beams

  Yes

  No

  N/A

• Corrective Action Taken:

• Backup bar to be placed 3/8 of the slab thickness away from the anchors (ex: 3" for 8" slab, 3.75" for 10" slab, 4.5" for 12" slabs)

• 4n. When tendons are placed through the column, do at least two tendons in both directions pass through the column vertical reinforcement?

  Yes

  No

  N/A

• Corrective Action Taken:

5. Embedments

• 5a. Embedments near anchorages approved by engineer

  Yes

  No

  N/A

• Corrective Action Taken:

5b. Conduit

• 5b-1. Engineer approval (if not shown on engineer-approved plans)

  Yes

  No

  N/A

• Corrective Action Taken:

• 5b-2. Maximum approved size

• 5b-3. Approved material

• 5b-4. Locations and congestion

  Yes

  No

  N/A

• Corrective Action Taken:

• 5b-5. Special reinforcing details

  Yes

  No

  N/A

• Corrective Action Taken:

5c. Plumbing and other blockouts:

• 5c-1. Engineer approval (if not shown on engineer-approved plans)

  Yes

  No

  N/A

• Corrective Action Taken:

• 5c-2. Maximum approved size

• 5c-3. Locations (specific engineer approval if in drop caps or highly reinforced areas)

  Yes

  No

  N/A

• Corrective Action Taken:

• 5c-4. Special reinforcing details

  Yes

  No

  N/A

• Corrective Action Taken:

• 5d. Anchor bolts and Hand-Downs secured in place

  Yes

  No

  N/A

• Corrective Action Taken:

• 5e. Embeds Installed:

  Select Stair Garage Door Window Formwork Hoist Crash Barriers Cable Rails Chain Link Fence Elevator Scoop Wall Anchor Bolts Canopy Anchor Bolts/Embeds Masonry

  • Stair
  • Garage Door
  • Window
  • Formwork
  • Hoist
  • Crash Barriers
  • Cable Rails
  • Chain Link Fence
  • Elevator
  • Scoop Wall Anchor Bolts
  • Canopy Anchor Bolts/Embeds
  • Masonry

• Drawing #s and Dates of embed drawings used:

6. Blockouts & Closure Strips

• 6a. Geometry and location

  YES

  NO

  N/A

• Corrective Action Taken:

• 6b. Special reinforcing details

  Yes

  No

  N/A

• Corrective Action Taken:

• 6c. Special shear key details (if required)

  Yes

  No

  N/A

• Corrective Action Taken:

• 6d. Adequate clearance for stressing equipment (if required)

  Yes

  No

  N/A

• Corrective Action Taken:

7. Other

• 7a. All details shown on drawings (Structural, Post-Tensioning tendons & Rebar) applied appropriately

  Yes

  No

  N/A

• Corrective Action Taken:

• 7b. Typical details applied appropriately

  Yes

  No

  N/A

• Corrective Action Taken:

• 7c. Projections of walls & columns into slab within tolerance

  Yes

  No

  N/A

• Corrective Action Taken:

• 7d. Special release/slip details applied appropriately

  Yes

  No

  N/A

• Corrective Action Taken:

• 7e. Engineer notified of any conflicts that required modifications

  Yes

  No

  N/A

• Corrective Action Taken:

• 7f. Engineer notified of pour date and of any changes to pour date

  Yes

  No

  N/A

• Corrective Action Taken:

• 7g. Stud rails installed correctly (straight, correct cover, etc.)

  Yes

  No

  N/A

• Corrective Action Taken:

• Completed by: McHugh Concrete Team

• Date Completed:

  Date