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Pre-Cast Installation Terms of Agreement

The following terms of agreement have been created to align our panel installation terms of agreement with The Approved Code of Practice for Cranes, The Approved Code of Practice for Load-Lifting Rigging and The Approved Code of Practice for The Safe Handling, Transportation and Erection of Precast Concrete as published by WorkSafe New Zealand.

By following the preferred work practices of these approved codes we ensure our activities for our principle by our employees and sub-contractors can clearly show compliance the Health and Safety in Employment Act 1992. A Court may therefore consider this to be compliance.

Definitions

Pre-Cast in these terms of agreement shall mean:
  • Pre-Cast Elements
  • Tilt Panels
  • Dycore  / Hollowcore
  • Ribs / Interspan
  • Flat slabs / Unispan
  • Shell Beams / Solid Beams / Half Beams
  • Stairs, landings and treads
  • Columns
  • Balconies
  • Spandrels
  • Double Tees / Super Tees
  • Litecrete
 
Bolt in these terms of agreement shall mean a temporary fixing consisting of a 18mm x 105mm Load controlled expansion anchor.
ACOP in these terms of agreement shall mean the Approved Code of Practice for The Safe Handling, Transportation and Erection of Precast Concrete.
McLeod in these terms of agreement shall mean McLeod Cranes Ltd, or McLeod Hiabs Ltd as the context requires, or any agents or employees thereof.


Conditions listed below:
1.       A signed acceptance of these terms of agreement is required for our quotation to be deemed a job and for the appropriate job scheduling to commence.

2.       All bookings must be made in writing 7 days prior to commencement.

3.       All rates are GST exclusive.

4.       Our quotation is not subject to any heads of agreement entered into by the main contractor, owner or developer but deemed to be a contract between  McLeod and the main or named contractor in our quotation.

5.       Any deliveries/collections of additional equipment for setup and or lifting will be charged on an hourly rate bases.

6.       The removing of any materials that may weaken the structural integrity of the building (bracing elements) in order to undertake construction must have an engineer’s approval from the main contractor

7.       If the number or size of Pre-Cast elements changes we reserve the right to adjust our quotation accordingly.

8.       Extra work outside of our quotation requires a written instruction and order number.

9.       Our quotation allows for the crane to have access inside the building lines.

10.    Price is subject to our agreed acceptance of the construction methodology and programme

11.    Site inductions will be charged as an extra at the appropriate hourly rate for staff and equipment

12.    The Main Contractor shall comply with its obligations under the Health and Safety in Employment Act 1992 (and any applicable regulations or codes of practice made pursuant to that Act including, but not limited to,  the Approved Code of Practice for The Safe Handling, Transportation and Erection of Precast Concrete to ensure that, in performing its obligations under this agreement, a safe working environment exists for:
    a.  employees and contractors of McLeod and the Main Contractor; and
    b.  third parties entering or on the site


13.   Before any on site operations can commence and during installation we require:

13.1.   Manufacturers certification of compliance for concrete elements (ACOP see  Appendix) In the event that the manufacturers certification is not available we must have a signed statement by a competent person granting approval from the main contractor and acknowledging that the Pre-Cast is safe to lift.

13.2.   All panels requiring rotation to be designed to withstand rotation. Edge lifters must be used for rotation of Pre-Cast. 

13.3.   Rigging configuration must be clearly shown by the Pre-Cast designer in construction documents and allow for a maximum angle of 60 degrees at the hook or pulley block as per ACOP. (ACOP 2.2.5)

13.4.   A rigging plan must be provided by the Pre-Cast manufacturer for the crane operator to meet the ACOP(4.3.1).

13.5.   All lifting anchors must be installed to the manufacturer’s specifications and be designed for purpose. Recess forms to be removed and lifting anchors operation to be checked by Pre-Cast manufacturer. 

13.6.   Pre-Cast , deadmen, concrete floors etc. that props, anchors or bolts are to be fixed into must have a minimum compressive concrete strength of 20MPa at the time of installation. For Litecrete, or similar Pre-Cast, specific anchor connection design must be provided. Screw piles or alternative deadmen methods must be engineered to an equivalent rating. Written confirmation must be provided to meet ACOP requirements.  (ACOP 3.15, 3.2.21 , 4.2, part 5)

13.7.   All concrete components being erected which require a drilled in load controlled expansion anchor bolt, must have sufficient surface area to ensure the anchor spacing/edge distance meets the bolt manufacturer’s specifications.

13.8.   Access and good housekeeping to allow:
    a.   All weather access (metalled access for crane and trucks)
    b.   Crane Setup
    c.   Offloading and placing of Pre-Cast must be in radius of crane(s) in our quotation
    d.   Pre-Cast Placement
    e.   Access to power at a maximum of 30m
    f.   Unimpeded access for the fixing of bolts 

13.9.    Concrete block walls to be grouted and adequately cured

13.10.   All shore loadings/supporting structures must be erected to finished height

13.11.   That ground conditions must meet:
    a.   40kpa for crane pads or tracks
    b.   Less than 1:10 gradient

13.12.   That all footings must:
    a.   Be within 10mm of base of panel reduced level (RL)
    b.   Be clean and well drained free of dirt and water
    c.    Allow reasonable access to both sides of Pre-Cast at footing line for shimming and barring.
    d.   Have levels supplied with Pre-Cast lines marked

13.13.   That transported Pre-Cast must:
    a.   Arrive in agreed sequence and time
    b.   Have the top of the Pre-Cast to the rear of the truck (unless otherwise agreed).
    c.   Have safe access for attachment at lift points 

13.14.   Our Pre-Cast placement team must have dedicated clear space for the installation and to ensure the safety of all personnel on site. Simultaneous operations must take into account the installation programme and not delay the operation. 

13.15.   A competent and authorised site representative of the main contractor must be available onsite to address any discrepancies. They will also be required to accept the completed work prior to departure.  The ACOP requires the main contractor to also:

   a.   Determine that the erected platform (footings/foundations) can carry the construction and erection loads. (ACOP 2.4.2)

   b.   Ensure adequate temporary base restraint is provided for any Pre-Cast element to prevent sliding failure (kick-out) at the base or support element. (ACOP 2.4.4)

14. In placing Pre-Cast and to comply with the ACOP we have allowed for:

14.1.   Installation of two temporary props or fixings (four bolts per panel) fixed to smooth concrete (ACOP 2.4.7)

14.2.   Torqueing bolts to the required manufacturers specification

14.3.   Two stacks of plastic shims to a maximum of 20mm

14.4.   Propping at an angle of 50 to 60 degrees and no less than 67% of the height of the Pre-Cast. (ACOP 2.4.7/2.3.2)

14.5. Props fixed adequately prior to lifting tilt panels.

15. We have not allowed for*:

15.1.   Installing ground anchors

15.2.   Access Platforms and Scaffolding

15.3.   Traffic management plans, street, civil aviation or utility permits

15.4.   Exclusion zones, barricading and public access restriction

15.5.   Welding

15.6.   Working outside of normal business hours (Mon-Friday 7am-5pm)

15.7.   Bolting to structural steel

15.8.   Hit and Miss Pre-Cast placement

15.9.   Litecrete or similar Pre-Cast specific anchor connection design

15.10.   Joint sealing, dry packing or grouting

15.11.   Placement of Pre-Cast under overhanging structures

15.12.   Cleaning recess forms, grout sleeves, drossbach ducts and the like.

15.13.   Placing of timber infill

15.14.   Unsatisfactory ground conditions or vehicle recovery

15.15.   Delays in Pre-Cast delivery

15.16.   Double handling of Pre-Cast

15.17.   Unloading or stacking of Pre-Cast onsite

15.18.   Bracing greater than two weeks and associated wind loadings (ACOP 2.3.1)

15.19.   Rotation of Pre-Cast with face lifters.

15.20.   Shimming over 20mm and the required base restraint to the Pre-Cast. (ACOP 2.3.2/2.4.7)

15.21.   Attaching additional strong backs, lifting plates, bolts washers etc. to allow Pre-Cast lifting or rotation.

15.22.   Insuring strong backs are designed for purpose. (ACOP 2.4.6)

15.23.   Delays beyond our control due to hindrance or interference by the main contractor or sub-contractors activities.

15.24.   Checking bracing bolts at regular intervals as per the ACOP or immediately after an earthquake or storm. (ACOP 4.12.6)

These items may incur additional charges of associated costs including labour and vehicle recovery. * May be negotiated into contract or as a variation.

16. We take no responsibility for:

16.1.  Mud dropping on the road on exit.

16.2.  Damage to when working off floor slabs, driveways or any finished surface

16.3.  Damage to underground services or overhead services or structures

16.4.  Damage to lawns, grounds, fences, vehicles or other property during access, exiting or when manoeuvring on site.

16.5.  Deadmen design, construction or suitability 

16.6.  Maintaining positional integrity and maintenance of installed Pre-Cast, propping, deadmen after completion of installation

16.7.  Spalling or marking around lifters

16.8.  Tyre marks on concrete floors or Pre-Cast

17. The ACOP does not allow for:

17.1.   Reinforcing bars/hoops used for lifting eyes (ACOP 3.2.11/2.4.6).

17.2.   Any use of chemical adhesion anchoring systems (ACOP 2.4.7, 4.11)

18. Our Payment Terms are:

18.1.   No retentions

18.2.   Monthly payments by the 20th of the month following the date of invoice

19.  Prop Hire

19.1.   Prop hire is included but is based on:
   a.   Two panel props per Pre-Cast element
   b.   14 days prop hire

19.2.   “On Hire” of all props will commence on the first day of Pre-Cast placement

19.3. “Off Hire” will commence once we have had written notice that the props are:
   a.  Removed from the Pre-Cast
   b.  Threads have been wound in
   c.   Are ready for collection on dunnage
   d.   Are accessible for collection by small hiab

19.4.   A pickup and delivery charge will apply with each site visit.

19.5.   Damaged or lost props will be deemed “On Hire” until they have been repaired or replaced

19.6.   Initial pickup and delivery may be included in quotation.

19.7.   Prop removals and repropping is excluded from this quotation.

These Terms of Agreement and our Terms and Conditions (which are available on request) will take precedence over any other conflicting terms and conditions.


These terms have been created by the Crane Association of New Zealand technical committee to meet current approved codes of practice.

References
  • Approved Code of Practice for Cranes
  • Approved Code of Practice for Load-Lifting Rigging
  • Approved Code of Practice for The Safe Handling, Transportation and Erection of Precast Concrete

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