|RFx ID :||21944272|
|Tender Name :||2020 0043 Rangitaiki Floodway Stage 7|
|Reference # :||2020 0043|
|Open Date :||Friday, 15 November 2019 12:00 PM (Pacific/Auckland UTC+13:00)|
|Close Date :||Friday, 6 December 2019 4:00 PM (Pacific/Auckland UTC+13:00)|
|Department/Business Unit :||BOPRC Procurement|
|Tender Type :||Request for Tenders (RFT)|
|Tender Coverage :||Sole Agency [?]|
|Exemption Reason :||None|
|Required Pre-qualifications :||None|
027 538 6035
|Alternate Physical Delivery Address :|
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The works for this tender includes:
Programme construction works over the three Stage 7 farm sections (outlined in the Appendices). Stage upgrades are to the left and right stopbanks of the Rangitaiki Floodway. This section is located between Hydro Road and SH2 (Awakeri Rd).
Establish working area, temporary access/diversions, equipment, environmental controls (lay down/haul areas, stockpile bunding, clean water management) and traffic management.
Construct new 1400 mm diameter culvert into Western Drain Diversion canal.
Topsoil strip (200mm depth cut) along stopbanks and the extent of new stopbank footprint and later re-lay over the new constructed areas (on top of design levels).
Extend existing farm culverts under the new stopbanks and install seepage filters and headwalls.
Construct required seepage control detail that includes F2 filter channel, novaflo drainage pipe and collection chambers.
Cart imported certified fill (approximately 103,000 tonne) and place in 150 mm compacted lifts. Test material as per requirement to meet specification. Shape and compact new stopbank profile as per design.
Topsoiling and reinstatement of farm raceways.
Work alongside farm owners to minimise business interruption.