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     28  +6 2014 sep 03plystyrene concrete wallOptions for wall insulation - LevelEIFS systems typically use polystyrene board attached to the exterior wall and covered ... Insulate single skin concrete masonry or cast in situ concrete walls by:.
     28  -14 2014 aug 06cut in wind speedWind turbine systems and Renewable energy - Levelwind generator system configuration; wind generator system capacity; wind speed and power; cut -out controls; factors affecting generation capacity; wind ...
     28  +35 2014 aug 01wastewater recycling systemsGreywater and recycling for use in gardens and toilets - LevelIt can be recycled for use in garden irrigation and, if treated, for toilet flushing. ... Any on-site wastewater treatment system must meet performance requirements ...
     29  -9 2014 aug 25micro electricity generationMicro hydro systems and Renewable energy - LevelMicro -hydro systems use flowing water to turn a water turbine that generates electricity in an ... Typical micro -hydro electricity generation system.
     29  +4 2014 aug 17black water treatmentWastewater treatment systems on a building site - LevelThe appropriate wastewater treatment system will depend on the site, the ... Schematic of separate on-site domestic greywater and blackwater treatment systems.
     29  +28 2014 aug 03wood wall liningsWet area wall and ceiling linings and finishes - LevelIn accordance with NZBC clause E3 Internal moisture, wall linings and ... lining in wet areas, but it is more stable than timber and wood -based ...
     30  +5 2014 oct 03hot water systemHot water supply - LevelHot water supply must be adequate to meet building users' needs while also keeping them safe. It should also support efficient use of both energy and water.
     30  +67 2014 oct 02wind turbine systemsWind turbine systems provide a source of renewable energy. They are most suited to windy rural locations. On this page: wind generator system configuration  ...
     30  -1 2014 sep 01new zealand earthquake mapNew Zealand climate and environmental zones - Levelclimate zones for energy efficiency; wind, earthquake , snow and exposure zones; specific design standards. ... New Zealand is divided into three zones, based on average temperature data, ... Design factor, Map , NZ standard, Design for…
     30  -17 2014 aug 27micro hydro generatorMicro - hydro systems use flowing water to turn a water turbine that generates electricity in an alternator. On this page: Micro - hydro system ...
     30  +71 2014 aug 10efficient house heatersHow space heating improves energy efficiency in New Zealand homesSpace heating accounts for around a third of energy use in an average New Zealand house , so improving the energy efficiency of space heating has the ...
     30  -20 2014 jul 28micro hydro power generationHowever, because power can be produced 24 hours a day 7 days a week, hydro may be a ... Typical micro - hydro electricity generation system.
     30  -4 2014 jul 19christchurch earthquake zonesclimate zones for energy efficiency; wind, earthquake , snow and exposure ... New Zealand is divided into three zones , based on average temperature data, ...
     30  -17 2014 jul 17wellington solar collectorCollector panels - LevelThe two types of solar panel commonly available are: ... (e.g. 41.2º in Wellington ), although winter sun angles are lower and summer sun angles are higher.
     30  +7 2014 jul 17plumbing fixtures trapsDischarge and vents | Plumbing - LevelThe type of fixture determines the size of the discharge pipe and trap , and the size of the discharge pipe determines the minimum gradient required for the pipe: .
     31  +22 2014 sep 13vinyl tiles over plywood floorPros and cons of wet area floor finishes - LevelA wide range of wet area flooring and floor finishes is available, each
     31  -17 2014 aug 23passive solar designKey features of designing a home with passive design - LevelUsing passive design can reduce temperature fluctuations, improve indoor air quality ... The first step is to achieve the right amount of solar access – enough to  ...
     31  -8 2014 aug 19extract humid airAir extraction systems and energy efficiency - LevelAir extraction systems remove moist or polluted air , typically from kitchens ... With an air extraction system, replacement air is drawn in due to ...
     31  +6 2014 aug 09sunset times nzAnalysing sun impact on a building site - Levelthe time during the day that the site receives sunlight; the sun's path at different ... Sun bearings at sunrise and sunset at different New Zealand latitudes are ...
     31  ~ 2014 jul 16septic tank aerationAerated and advanced wastewater treatment - LevelThese systems treat sewage to a higher level than septic tanks , allowing it to be ... Aerated water treatment systems (AWTS) and advanced sewage treatment ...
     32  +34 2014 aug 22gray water systemHow does a greywater system work? - LevelGreywater systems used for irrigation typically comprise a surge tank and a method of discharge to an irrigation system. Greywater systems used for toilet ...
     32  ~ 2014 aug 17manual lifting equipmentManual and mechanical lifting strategy on a building site - LevelTaking care with materials, equipment and work procedures and dealing with ... Lifting and handling strategies – whether manual lifting or ...
     32  +9 2014 aug 14tiling shower floorA wide range of wet area flooring and floor finishes is available, each with .... Enclosed tiled shower – minimum extent of waterproof membrane.
     32  -11 2014 aug 13central heating gas unitsCentral heating systems in homes - LevelIn central heating systems, heat is supplied by a single unit and ducted to ... Most central heating systems use gas or electricity, but some use ...
     33  -2 2014 oct 03hot water cylinderHot water storage cylinders - LevelHot water storage systems can be used with energy-efficient heating sources such as ... The hot water storage cylinder must be large enough to provide for a ...
     33  +36 2014 aug 30insulating under wooden floorboardsOptions for floor insulation - LevelTimber -frame floors are typically insulated with polystyrene boards or sheet ... that the specific insulation products are recommended for use under floors by the  ...
     33  -3 2014 jul 31rainwater tank filterStoring rain water in a specified rainwater tank - LevelSpecify a tank that is suitable for the purpose – whether the rainwater is to be ... Tank types and sizes; Tank materials; Filtration systems; Backflow prevention ...
     34  +9 2014 aug 31address the weak soil foundationsSite suitability on a building site - Where is the best place to buildAbout Level · Contact · Sitemap ... The bearing pressure of soil is its ability to carry the load of the building ... It must be assessed at the base of the foundations . ... there is no evidence of buried services; there is no organic soil , peat or soft clay.
     34  -28 2014 aug 28piping in buildingsDesign and layout of pipes for water supply to a building - LevelAll water supply systems use a combination of pipes (of different dimensions and materials), valves and outlets to deliver water to building users. Some water ...
     34  -1 2014 aug 24dining room layoutRoom layout - LevelIn location, orientation and layout , we explained how building orientation can be ... The main living spaces such as living, family and dining rooms should be ...
     34  -14 2014 aug 20design a homeUsing passive design can reduce temperature fluctuations, improve indoor air quality and make a home drier and more enjoyable to live in. It can also reduce ...
     34  -6 2014 aug 14removing lead paintLead paint - How to remove it - Lead poisoning - LevelThe use of white lead in paint was banned in 1979, but some ... The removal of lead -based paint can result in harm to both the person removing  ...
     34  +67 2014 aug 13space heaters energy efficientSpace heating accounts for around a third of energy use in an average New Zealand house, so improving the energy efficiency of space heating has the ...
     34  +46 2014 aug 04black water systemsGreywater and blackwater may be treated separately. If separate treatment systems are selected, you should include a means of diverting the greywater to the ...
     35  -18 2014 aug 03pv power outputPhotovoltaic systems and Renewable energy - LevelThe electricity generation capacity of photovoltaic panels is measured in Watts peak (Wp), which is the panel's power output rating under ...
     35  -3 2014 jul 26eaves and awningExternal shading when building - Leveleaves ; awnings ; screens and shutters; louvres; verandahs; pergolas; trees and shrubs. Providing shade over building openings and outdoor spaces can reduce  ...
     35  +10 2014 jul 21main drain pipeThe type of fixture determines the size of the discharge pipe and trap, and the ... to a drain without venting if both the main drain and discharge pipe gradients are  ...
     36  -1 2014 aug 26rain water storageSpecify a tank that is suitable for the purpose – whether the rainwater is to be used for drinking or only for gardening – and ensure that rainwater is stored in ...
     36  -2 2014 aug 06micro hydro electric power
     36  -13 2014 jul 31solar house design
     37  -13 2014 aug 10importance of power inverterThe importance of back-up power for emergencies - LevelA 3–5 kW (or 6–10 kW for higher demand situations) inverter -type petrol generator will suit a household back-up power requirement. As the ...
     37  +64 2014 jul 22presurried water systemWater pressure ; Water flow rate; Flow rate and pipe size Acceptable Solutions; System layout; Connection to the mains supply ; Backflow; Mains connection; Pipe ...
     37  +64 2014 jul 17copper for domestic waterSuitable pipes that must not contaminate water - LevelPipes must not contaminate water , and must be suitable for the pressure, flow and ... Copper has long been used for all types of domestic water services and ...
     38  +63 2014 aug 29sustainable house builderLevel | Authority on Sustainable Homes | Subsidiary of BRANZ LtdWelcome to Level, the authority on sustainable building . Level will help you design and build homes which have less impact on the environment and are ...
     38  +63 2014 aug 20tools and machinerySafety on a building site - Tools and Machinery - LevelHand and power tools and machinery are common on almost every ... People using hand and power tools may be exposed to falling, flying or ...
     38  -13 2014 aug 01low-voltage wire systemLow voltage services for security and smart house wiring systemsInternal and external extra low voltage services ... require additional low voltage services such as security, data or smart house wiring systems .
     38  +21 2014 jul 21effluent treatment systemsAerated and advanced wastewater treatment systems - LevelAerated water treatment systems (AWTS) and advanced sewage treatment systems (ASTS) are secondary treatment systems, that is, they involve both anaerobic ...
     39  -10 2014 oct 05black mould healthMould | Building health and safety - LevelIf inhaled in large quantities, some mould spores can cause health ... Stachybotrys is a greenish- black mould that grows on materials that ...
     39  -1 2014 aug 10hot water cylindersStorage cylinders . Hot water storage systems can be used with energy-efficient heating sources such as solar, air-to-water heat pumps or they can use gas or ...
     39  -3 2014 aug 07solar thermal installers christchurchInstalling a solar water heating system - LevelBRANZ research has found that correct installation is the single ... heat pumps in Auckland, Wellington, Christchurch and Dunedin. On average, the solar water heating systems supplied 38% of the household's heating needs.
     39  -13 2014 aug 04electrical wire protection systemFixed wiring for electrical systems and appliances - LevelFixed wiring for electrical systems and appliances ... RCD protection – protection not exceeding 30 mA, except for MIMS (mineral insulated metal sheathed) ...
     39  +6 2014 jul 30swimming pool check valveDesigning water supply systems and preventing backflow - LevelFor swimming and spa pools , provide a dedicated water supply with an approved ... Double non-return valve installation to prevent backflow contamination of a ...
     40  ~ 2014 oct 04regional website impact analysisAnalysing wind impact on a building site - Leveldesigning for wind; wind regions and zones; specific design; gathering information ... Level of site exposure, Determine from on- site observation.
     40  +10 2014 aug 22security system wireHouses may require additional low voltage services such as security , data or smart house wiring systems . On this page: security and smoke ...
     40  +2 2014 aug 06air ventilation systemsAir supply ventilation systems - LevelSome air supply ventilation systems provide heating as well as ventilation. With air supply ventilation systems , only a small amount of energy is ...
     40  +23 2014 aug 06rain water tank systemMains water supply and using rain water in a building - LevelAny rainwater system must meet relevant Building Code requirements. ... Rainwater storage tanks (whether plumbed to the house or not) also require a building ...
     40  +51 2014 jul 28design room layoutDesigning the building and the spaces within it to benefit from natural light, ... In location, orientation and layout , we explained how building orientation can be ...
     40  -5 2014 jul 25ladders new zealandLadder safety dos and donts - LevelBefore using a ladder , confirm that the ladder : ... Best practice guidelines for working at height in New Zealand · Factsheet: Safe working with ...
     41  -7 2014 sep 29mains power supplyMains and Grid power when building - LevelWhere supply lines are nearby, mains or grid-connected power is generally the most cost-effective option. In urban and many rural areas, supply is reliable and ...
     41  +60 2014 jul 31how to insulate floorTimber-frame floors are typically insulated with polystyrene boards or sheet insulation made from glasswool (fibreglass), wool, polyester, wool/polyester mix, and ...
     41  +60 2014 jul 31insulate interior wallsThe type of wall insulation used will depend on the construction system. ... In particular, insulating the materials on a building's interior means they cannot ...
     41  ~ 2014 jul 23tile sheets for showersIt is also suitable for use in showers . It is available in sheet and tile form but only sheet vinyl is permitted under E3/AS1. Vinyl must be laid with ...
     41  -15 2014 jul 22passive solar home design
     41  -15 2014 jul 21low voltage wire system
     42  +59 2014 sep 30sustainable building designWelcome to Level, the authority on sustainable building . Level will help you design and build homes which have less impact on the environment and are ...
     42  +59 2014 sep 30passive penatration reportPassive design for daylight in a home - LevelEnsure that daylight can penetrate fully into the building. ... location, orientation and layout, in order to control solar access for passive heating and cooling.
     42  +59 2014 sep 16sun shine duration wellingtonBy analysing the impact of the sun on a site, as well as the building's location, the ... that the site receives sunlight; the sun's path at different times of the day and year ... by the Victoria University of Wellington , Centre for Building Performance.
     42  -19 2014 jul 16alternative energy generationRenewable electricity generation |Photovoltaics | Wind | Hydro - LevelAround 69% of New Zealand residential energy use is electricity and approximately 70% of electricity comes from renewable sources, including ...
     43  +2 2014 sep 01climate in new zealandNew Zealand climate and environmental zones. Climate should influence building form and location on site, material choices, window/door size and placement, ...
     43  +46 2014 aug 21provision of floor wastesConsiderations in sanitary plumbing and drainage in building - Levelcommon plumbing coordination and installation issues; checklist for drains
     43  -4 2014 aug 04water pipes plasticPipes must not contaminate water , and must be suitable for the pressure, flow and ... PVC-U is the most widely used plastic piping for water supply pipes and ...
     43  -10 2014 aug 03required r valuesDetermining insulation requirements |Home and Building - LevelInsulation requirements can be determined using any of three methods, depending ... The schedule method specifies minimum R - values for building envelope ...
     43  +12 2014 jul 22water line installationPipe installation and requirements - LevelPipework installation . Pipes must be installed to meet requirements for durability, safety and thermal ... Water supply pipe crossing electric cable or gas pipe  ...
     44  +6 2014 aug 15most energy efficient appliancesEnergy efficient appliances will save you money - LevelEnergy use can be minimised by the selection of energy efficient ... The most energy efficient appliances qualify for the blue Energy Star mark.
     44  +3 2014 aug 06flat plate solar arrayEfficiency and effectiveness of solar water heating dependant on The two types of solar panel commonly available are: a flat plate collector ... Flat plate solar panels are commonly used collectors. They have a metal plate with a  ...
     44  +31 2014 jul 17ground level concrete slabBRANZ. Level . The Authority on Sustainable Building. ... Insulate under a concrete slab -on- ground by placing 50 mm minimum, S grade expanded polystyrene ...
     45  +56 2014 oct 01septic tank systemsSeptic tanks and wastewater treatment on a building site - LevelA septic tank is a primary treatment system – that is, treatment of wastewater is minimal and involves only separation of solids and some preliminary anaerobic ...
     45  +12 2014 aug 31eeca heat pump subsidyHeating water with a heat pump - LevelHeat pumps provide a very efficient method of heating water.
     45  -17 2014 aug 25what is radiant heatWhat is radiant heating ? Types of radiant heaters - LevelRadiant heaters. In radiant heating , surfaces (including people's skin and clothing) are heated by infrared rays of heat from the heater. The air in between is not ...
     45  ~ 2014 aug 01desine of houseUsing passive design can reduce temperature fluctuations, improve indoor air ... a combination of location and orientation, room layout, window design and ...
     45  ~ 2014 jul 29tiling over waterproof membraneIt must be laid over a rigid substrate such as concrete, particleboard, ... Enclosed tiled shower – minimum extent of waterproof membrane .
     45  +4 2014 jul 25noise control windowsExterior noise control in a building - LevelSound-attenuating walls, roofs, windows and doors can be used to block external sources of noise . They are frequently difficult and costly to retrofit into existing ...
     45  -25 2014 jul 20central heating designDesigning homes to conserve energy and use it efficiently, from sources that ... In central heating systems, heat is supplied by a single unit and ...
     45  +1 2014 jul 18heat recovery ventilation systemsHeat and energy recovery ventilation systems | HRV | ERV - LevelHeat recovery ventilation (HRV) and energy recovery ventilation (ERV) can provide cost effective ventilation systems that also reduce moisture ...
     46  -30 2014 aug 27solar water heater installationBRANZ research has found that correct installation is the single most ... On average, the solar water heating systems supplied 38% of the ...
     46  +12 2014 aug 16heat recovery ventilatorHeat recovery ventilation ( HRV ) and energy recovery ventilation (ERV) can provide cost effective ventilation systems that also reduce moisture ...
     46  +37 2014 aug 13polystyrene insulation boardRigid board insulation is made using polystyrene . EIFS systems typically use polystyrene board attached to the exterior wall and covered with a layer of ...
     46  +1 2014 aug 10sound absorbing insulationInterior noise control in a building - LevelA standard 90 x 45 mm timber partition with two layers of 10 mm plasterboard one side, sound absorbing insulation and one or two layers of plasterboard on the ...
     46  +25 2014 aug 06large hotwater cylinder jacketThe hot water storage cylinder must be large enough to provide for a ... These have a layer of insulation of around 50mm between the water jacket and the ...
     46  -25 2014 aug 01drain inspection trapDrainage features and compliance when building - LevelCompliance requirements for drainage features such as gully traps and ... Drains must not be covered over until they have been inspected and tested for leaks.
     46  +55 2014 jul 24tile for shower floor
     46  -11 2014 jul 22micro hydro electricMicro - hydro system configuration; Types of turbine; Penstocks; Static head; Dynamic head; Water flow rate; Installation; Electricity supply ...
     47  +1 2014 sep 27new zealand climate
     47  -15 2014 sep 09heat recovery ventilators
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