Post Tensioned Concrete Reinforcing

SCOPE NARRATIVE

This scope includes the supply and installation of all material required for a complete poured-in-place concrete post tension system, including all post-tensioning tendon materials required for cast-in-place concrete complete with stressing tendons and jacking to apply load on tendons.

This scope for supply and installation includes and excludes the following items regardless of where they may appear in the tender documents unless specifically noted otherwise in this scope:

TRADE DEFINITION

INCLUDED

1. Preparation of placing drawings and friction/elongation calculations; 2. Layout for locations when tendons penetrate formwork; 3. Tendon anchorages; 4. Anchorage seal caps; 5. Couplers; 6. Local zone burst reinforcing; 7. Sheathing for pre-stressing tendons (bonded or un-bonded); 8. Installation of sheathing (ducting) for bonding tendons; 9. Pre-stressing steel (strand or thread-bars); 10. Installation of pre-stressing steel and anchorages; 11. Cement grout (in the case of bonded tendons); 12. Tendon supports, spacers and applicable accessories as required; 13. Post-tensioning specific installation equipment required to perform task; 14. Stressing equipment required to perform task; 15. Grouting equipment for bonded tendons required to perform task; 16. Stressing tendons and cutting after approval; 17. Grout, seal and cap pockets of un-bonded tendons; 18. Grouting equipment for bonded tendons; 19. Stripping plastic sheath of un-bonded tendon tails after concreting; 20. Trade specific lighting to perform tasks; 21. Trade cleanup – cleanup for work carried out by this trade; 22. Protection of other trades’ work from damage when performing this trades scope of work; 23. Warranty or Guaranty; 24. Quality assurance and quality control testing of materials and procedures as detailed in the Contract Documents; 25. Submittals and Operation and Maintenance documentation as detailed in the Contract Documents; 26. Material handling, including unloading and hoisting; 27. Cash allowances that apply to this trade scope when a specific dollar amount is listed in this trade’s specification section; 28. Protection of other trades’ work from damage when performing this trade’s scope of work; 29. Building Information Modeling (BIM) as it applies to this trade scope

Post Tensioned Concrete Reinforcing - continued

EXCLUDED

1. Concrete, supplied and installed by Others; 2. Inspection or testing including lock tests; 3. General zone burst reinforcing steel; 4. Pour break couplers, if not shown; 5. Formwork block-outs; 6. Forming and patching of recess pockets; 7. Power for post-tensioning equipment; 8. Potable water for grouting tendons when required for bonded tendons; 9. Testing agency to perform cement grout testing for bonded tendons; 10. Engineering review of stressing results; 11. Lines, templates and grades; 12. Scaffolding which supports concrete formwork; 13. Work platform around perimeter of concrete pour; 14. Arial work platform with operator when required; 15. Fall protection anchor points; 16. Owners third party testing to audit this trade’s compliance with the quality assurance and control testing of materials and procedures as detailed in the Contract Documents; 17. Scaffolding when required to perform work by multiple trades; 18. Temporary heat, general lighting, power, sanitation and water for general construction; 19. Hoarding; 20. Final cleanup before turnover; 21. Security costs. When Security is required for trades to complete their work these services and costs for same will be provided by the General Contractor; 22. Supply and maintenance of garbage and recycling bins for construction waste; 23. Removal of construction waste from job site; 24. General site security;