Hikurangi Swamp Working Group Meeting 11 th February 2016 Meeting held at Fonterra’s Jordan Valley Farm 1000 - 1200
Agenda Topic/Owner Information 1 Last Meeting Minutes 2 Operations/Maintenance 1. Monthly Overviews from Hydrotech 2. Pump Availability 3. Power Usage 4. Pump Operation 5. New Signage 6. Maintenance Activities (Photographs) 3 Finances Hydrotech Monthly Finance Review OPEX 2015/16 4 Environment Bermland Ox-bow Restoration Update Pocket Ox-bow Restoration Update Eel monitoring Program 5 15-16 Drain Clearing Drain Clearing Progress Drain Clearing Remaining Program 6 Level of Protection Option for Enhanced Protection - 1998 Review Findings 7 Compliance with Consent Compliance with Consent Reviews 8 Living Water Update 9 AOB
Operations and Maintenance – Overview of HydroTech’s October Report • Settled weather and minimal rainfall • Low river level allowed for all the Pleuger bays pumped out and pumps inspected mechanically as well as the concrete structure
Operations and Maintenance – Overview of HydroTech’s November Report • Undertaken work identified during the quarterly inspections, such as replacing guide rail stanchions corroded fitting with stainless steel • Crack in wall at Ngararatunua Pump Bay A has been repaired • No rainfall so minimal pump operation
Operations and Maintenance – Overview of HydroTech’s December Report • Vertical lift pumps at Mountain, Otonga & Te Mata Station were lifted out to inspect impellers & oil (all good) • No notable rainfall events • Given the presently low spend on electricity, and flood attendance a number of minor H&S jobs are being undertaken
Operations/Maintenance - Pump Availability October to December ~1.1 m 3 /s Pumps ~ 4.1 m 3 /s Pumps Station Station Capacity A B C D E (m 3 /s) Flygt (17%) *1 Flygt (17%) *1 Otonga Pleuger (65%) 6.3 Te Mata Pleuger (17%) Flygt (17%) KSB (65%) *1 6.3 KSB (50%) *1 Mountain Pleuger (50%) 2.2 Tanekaha McKewen (50%) Pleuger (50%) 2.2 Junction Pleuger (100%) 1.1 Pleuger (11%) *2 Ngararatunua Pleuger (11%) Pleuger (39%) Pleuger (39%) 10.4 Okarika Pleuger (10%) Pleuger (10%) Pleuger (10%) Pleuger (35%) Pleuger (35%) 11.5 One large & one small spare Pleugers available in storage *1 Pumps temporarily unavailable in December whilst lifted out for inspection (pumps would only have been unavailable for a matter of hours and would not have been lifted if bad weather forecast) *2 Pump A temporarily unavailable whilst concrete repairs undertaken
Operations/Maintenance - Power Usage 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 Swamp Power Cost 2012/13 0 Swamp Power Cost 2013/14 Swamp Power Cost 2014/15 -10000 Swamp Power Cost 2015/16
HydroTech October Report Review – Pump Hours Run Pocket Pump Junction Te Mata Tanekaha Mountain Otonga Ngararatunua Okarika A 0 0 0 0 0 0 0 B 0 0 0 0 0 0 C 0 D 0 0 0 0 E 0 0
HydroTech November Report Review – Pump Hours Run Pocket Pump Junction Te Mata Tanekaha Mountain Otonga Ngararatunua Okarika A 0 0 0 0 0 0 0 B 0 0 0 0 0 0 C 0 D 0 0 0 0 E 0 0
HydroTech December Report Review – Pump Hours Run Pocket Pump Junction Te Mata Tanekaha Mountain Otonga Ngararatunua Okarika A 0 0 0 0 0 0 0 B 0 0 0 0 0 0 C 0 D 0 0 0 0 E 0 0
Stopbank Signage
Flygt Pump at Te Mata - Bracket protection
Junction – Vortex Board Bracket Replacement & Anti-turbulence Vanes
Ngaratunua Pump Bay A – Concrete Repairs
Ngaratunua Pump Bay A – Bracket Replacement
Ngararatunua Pump Bay A – Vane & impeller Wear
HydroTech October Report Review - Finances Flood Inspection Maintenance Environmental Attendance Drain Clearing $2,638.22 $245.61 - - $2,320.00 Inspections Preliminary & General (Monthly Checks) Maintenance Replace safety chain & corroded bolts Drain Clearing October’s drain clearing (see later)
HydroTech November Report Review - Finances Flood Inspection Maintenance Environmental Attendance Drain Clearing $2,638.22 $3,341.67 - - $34,019.19 Inspections Preliminary & General (Monthly Checks) Replaced corroded pipe & failed ‘O’ rings on pump Maintenance Replaced numerous corroded brackets and fixing bolts Replaced safety handrail stanchion & fittings Investigate low battery warning alarm Assist Paneltech with concrete repairs Drain Clearing Remove old road formation below Jordan Valley Road November’s drain clearing (see later)
HydroTech December Report Review - Finances Flood Inspection Maintenance Environmental Attendance Drain Clearing $2,638.22 $4,995.81 - - $14,203.80 Inspections Preliminary & General (Monthly Checks) Maintenance Pump down bays for pump inspection Replace cable support grip, corroded pipe, stanchion fittings, pump fixing bolts, pump brackets Installed new main power switch Replace diffuser & vent pipe Drain Clearing November’s drain clearing (see later)
Finances – OPEX 2015/16 Account Description 2015/16 Budget 2015/16 Forecast Other Rentals Received (42,594) (27,901) Telephone and Other Communication 0 4,080 Electricity Supply Costs *1 184,500 171,736 General Stationery - other than Office 0 770 Health & Safety Compliance 5,000 3,750 Water Rights Paid NRC Consent 2,050 2,808 Payments to External Contractors *1 170,000 169,004 Legal Fees 10,000 5,000 Other Professional Fees 3,000 3,870 Infrastructure & Services (not Contract) 60,000 45,000 Plant & Equip Maintenance non Contract 90,000 76,285 Total 481,956 454,401 *1 Drain clearing rate budget is $100k, ($96k in rates plus $4k carryover) and is included in this budget *1 Approx only $20,000 spent to date on electricity
Environmental – Ox-bow Restoration
Environmental – Ox-bow Restoration
Environmental – Ox-bow Restoration
Environmental – Ox-bow Restoration
Environmental – Ox-bow Restoration
Environmental – Ox-bow Restoration • Agreed a handover date with lease holder in March 2016 (following installation of a water supply) • 7 wire fencing has been completed on northern ox- bow, fence line on southern ox-bow being repaired • Living Water have funded an ecological survey and a 10 year restoration plan • Plan activities; • Pest control (both flora & fauna) • Ephemeral wetland creation (earthworks) • Planting • Will work and fund the plan with Living Water, DoC, Fish & Game and Iwi
Environmental – Ox-bow Restoration
Environmental – Ox-bow Restoration
Environmental – Eel Monitoring • The Resource Consent for the Scheme (Condition 17) requires “undertaking of studies to practicably minimise fish entry into the pumps • WDC has agreed to partially fund (~$18k) and assist with labour; a NIWA lead study into migrating eels on the Wairua River • NIWA study is in five portions, WDC has agreed to fund two, Living Water & Northpower are funding the other three. • Proposal is to tag 60 migratory eels and monitor them around Mountain Pump Station, Wairua Falls and Mangakahia Bridge • (Additional – spat ropes to aid native fish passage upstream in low flow conditions are being installed on four of the pump stations)
2015/16 Drain Clearing Progress Month Area Equipment/Item Description Remedy Oct-15 Te Mata Long reach Limbing over hanging trees above drain Clean drain 381m Nov-15 Te Mata Pocket Long Reach Digger Coutts Drain Drain clear weeds with long reach Nov-15 Te Mata Pocket 12 tonne digger Coutts Drain Tree Limb top section of drain Drain clear weeds with long reach - Minus 434m from top section as crops are growing. Original request Nov-15 Te Mata Pocket Long Reach Digger O'Reilley Drain 734m Nov-15 Te Mata Pocket Long Reach Digger Griffin Drain Drain clear weeds with long reach Drain clear weeds with long reach - Minus 310m from top section as per Evan Smyth's request. Original Nov-15 Te Mata Pocket Long Reach Digger Te Mata Stream request 2885m Nov-15 Te Mata Pocket Long Reach Digger Forsyth Stream Drain Clear weeds with long reach Dec-15 Te Mata Long Reach Digger Ox Bow, horse shoe Clean and clear channel Lower Luptons Point Drain - Rebenching Dec-15 Otonga Pocket 12 tonne digger area for long reach digger Rebenching with 12 tonne Dec-15 Otonga Pocket Long Reach Digger Luptons Point Drain - clear weeds Clean and clear weeds Dec-15 Otonga Pocket Long Reach Digger Wilsonville Quarry Drain clear weeds Clean and clear weeds Dec-15 Okarika Pocket ATV Spraying Whyte Drain Spray Drain Dec-15 Mountain Pocket ATV Spraying McKenzie Drain Spray Drain Dec-15 Mountain Pocket ATV Spraying White Drain Spray Drain Dec-15 Mountain Pocket ATV Spraying Peterson Drain Spray Drain Dec-15 Mountain Pocket ATV Spraying Lister Drain Spray Drain Dec-15 Mountain Pocket ATV Spraying Palmer Drain Spray Drain Jan-16 Okarika Pocket Long Reach Riponui Stream Clean and clear weeds Jan-16 Okarika Pocket Long Reach Bench area for long reach Benching area
Weed Growth In Drains
Recommend
More recommend
