Energy Efficiency in Buildings SANS XA & SANS 204. Project Details

Transcription

1 Energy Efficiency in Buildings SANS XA & SANS Competant Person Kobus Burger SACAP Reg.. D015 Project Details Type of Project ADDITION Street Address 106 Panorama Ave. Rooihuiskraal Erf Description As Per SG 1590 ROOIHUISKRAAL X6 Diagram/ Title deed Client's Initial and Surname U.A Wilgembus Client's Contact number NOTE: This document should only to be used as a guideline and not as a reference document. SANS 10400XA and requirements, always takes preference. Copyright KMI Draughting

2 OCCUPANCY: Zone & Orientation of Building Class of Occupancy Design Occupancy Time H4 4 7 Hrs per Day Days per Week Climatic Zone Pretoria Building Orientation rth Windows Orientation Optimized Orientation Achieved Class of Occupancy of Building Occupancy Design Occupancy Times hrs per day / days per week Design Population Entertainment and public assembly. A1 Occupancy where persons gather to eat, drink, dance or 18 / 7 participate in other recreation. Theatrical and indoor sport. Occupancy where persons gather for the viewing of theatrical, A 18 / 7 operatic, orchestral, choral, cinematographical or sport performances. Number of fixed seats or 1 person per m Number of fixed seats or 1 person per m Places of instruction. A3 Occupancy where school children, students or other persons 1 / 5 1 person per 5m assemble for the purpose of tuition or learning. Worship. A4 Occupancy where persons assemble for the purpose of 6 / 4 worshiping. Number of fixed seats or 1 person per m A5 Outdoor sport. Occupancy where persons view outdoor sport events. N/A Number of fixed seats or 1 person per m High risk commercial service. Occupancy where a non-industrial process is carried out and B1 where either the material handled or the process carried out is 5-Dec 1 person per 15m liable, in the event of fire, to cause combustion with extreme rapidity or give rise to poisonous fumes, or cause explosions. Moderate risk commercial service. Occupancy where a non-industrial process is carried out and B where either the material handled or the process carried out is 1 / 5 1 person per 15m liable, in the event of fire, to cause combustion with moderate rapidity but is not likely to give rise to poisonous fumes, or cause Low risk commercial service. Occupancy where a non-industrial process is carried out and B3 1 / 5 1 person per 15m where neither the material handled nor the process carried out falls into the high or moderate risk category. Exhibition hall. C1 Occupancy where goods are displayed primarily for viewing by 15 / 7 1 person per 10m the public. Museum. C 1 / 7 1 person per 0m Occupancy comprising a museum, art gallery or library. High risk industrial. Occupancy where an industrial process is carried Out and D1 1 / 5 1 person per 15m where either the material handled or the process carried out is liable, in the event of fire, to cause combustion with extreme Moderate risk industrial. Occupancy where an industrial process is carried out and where D 1 / 5 1 person per 15m either the material handled or the process carried out is liable, in the event of fire, to cause combustion with moderate rapidity but Low risk industrial. D3 Occupancy comprising usually unattended mechanical or 1 / 5 1 person per 15m electrical services necessary for the running of a building. Plant room. D4 Occupancy comprising usually unattended mechanical or 1 / 5 0 electrical services necessary for the running of a building. Place of detention. E1 Occupancy where people are detained for punitive or corrective 4 / 7 persons per bedroom reasons or because of their mental condition. Hospital. Occupancy where people are cared for or treated because of E 4 / 7 1 person per 10m physical or mental disabilities and where they are generally bedridden. Other institutional (residential). Occupancy where groups of people who either are not fully fit, or E3 4 / 7 persons per bedroom who are restricted in their movements or their ability to make decisions, reside and are cared for. Health care. Occupancy which is a common place of long term or transient 16 persons provided that the total number E4 4 / 7 living for a number of unrelated persons consisting of a single of persons per room is not more than 4 unit on its own site who, due to varying degrees of incapacity, Large shop. F1 Occupancy where merchandise is displayed and offered for sale 1 / 7 to the public and the floor area exceeds 50 m. 1 person per 10m for floor area <= 500m and 0% of 1 person per 10m for floor area > 500m Small shop. F Occupancy where merchandise is displayed and offered for sale 1 / 7 1 person per 10m to the public and the floor area does not exceed 50 m. Wholesaler's store. Occupancy where goods are displayed and stored and where F3 1 / 7 1 person per 0m only a limited selected group of persons is present at any one time. Offices. G1 Occupancy comprising offices, banks, consulting rooms and 1 / 5 1 person per 15m other similar usage. Hotel. H1 Occupancy where persons rent furnished rooms, not being 4 / 7 persons per bedroom dwelling units. Dormitory. H Occupancy where groups of people are accommodated in one 1 / 7 1 person per 5m room. Domestic residence. H3 Occupancy consisting of two or more dwelling units on a single 4 / 7 persons per bedroom site. Dwelling house. H4 Occupancy consisting of a dwelling unit on its own site, 4 / 7 persons per bedroom including a garage and other domestic outbuilding, if any. Hospitality. Occupancy where unrelated persons rent furnished rooms on a 16 persons per dwelling unit provided that H5 transient basis within a dwelling house or domestic residence 4 / 7 the total number of persons per room is with sleeping accommodation for not more than 16 persons not more than 4 within a dwelling unit. High risk storage. Occupancy where material is stored and where the stored J1 material is liable, in the event of fire, to cause combustion with 1 / 5 1 person per 50m extreme rapidity or give rise to poisonous fumes, or cause explosions. Moderate risk storage. Occupancy where material is stored and where the stored J 1 / 5 1 person per 50m material is liable, in the event of fire, to cause combustion with moderate rapidity but is not likely to give rise to poisonous Low risk storage. J3 Occupancy where the material stored does not fall into the high 1 / 5 1 person per 50m or moderate risk category.

3 SERVICES: Lighting/ Power & Hotwater Lighting : Max Demand & Consumption ALLOWED Struckture: Total Nett Floor Area Nett floor area (m ) x Building class allowed (W/m )= Max Energy Demand allowed (W) Ground Storey: m Building class allowed (W/m ) 5 First Storey: 0.00 m Nett floor area (m) 55 Second Storey: 0.00 m Max. Energy Demand: 75 W Max Allowed Total Nett Floor Area: Nett floor area (m ) x Building class allowed (KW/m.a)= Max Energy Consumption allowed (KWh.a) Structure: Total Floor Area: Building class allowed (KWh/m ) 5 Total Floor Area: m Nett floor area (m) Max. Energy Consumption per Annum: 75 kwh Max Allowed Maximum Energy Demand & Consumption Design Assumption for Building Classification Maximum Energy Demand: Maximum Energy Consumption: Energy Demand & Consumption Maximum Energy Demand: Ground Storey: First Storey: Second Storey: Total Energy Demand: Maximum Annual Energy Consumption: Annual Energy Consumption: Lighting: Max Demand & Consumption OBTAINED Power (W) n-specified VA/m rating QTY Hours in use / day: Sub Total W h.a n-specified kwh/(m ) n-specified kva (kw) n-specified kva (kw) n-specified kva (kw) 0.00 kva (kw) n-specified kwh TOTAL Nett floor area (m ) x Total Watt of lights (W)= Energy Demand Obtained (W/m ) [<ALLOWED] Total light energy demand OBTAINED (W/m²) 1.18 Do Comply. Available energy demand For Lights 10 W 5 (weeks) x Design Occupancy days x hours in use = Energy Consumption Hours per year Obtained (h.a) [<ALLOWED] Occupancy design days 7 Hours in Use per year 91 Total Energy of Lights KW Total annual energy consumption OBTAINED Lights (kwh) Do Comply Available annual energy consumption For Lights 85.7 KWh Hot Water Services (Use actual measured data where available.) Occupancy Class Type Dwelling houses - Low rental : L/capita/day Estimated Hot Water Consumption 80.0 L. of Persons: Per Day/ 4 Hours Assumed Daily Hot Water Consumption: L (Daily Hot Water Consumption x Occupancy design days x x5s weeks of the year)/1000 = Hot water Consumption (Kl.a) Assumed Annual Hot Water Consumption 58.4 kl 50 % of Annual Hot Water Consumption 9.1 kl - SANS XA:011 Par shall be provided by means other than electrical resistance heating. CONCLUSION Dwelling to be provided with min 80.0 L Water vesel: Electrical & Solar heating system combination OR Alternative means other than electrical resistance heating, including, but not limited to, solar heating, heat pumps, heat recovery from other systems or processes. Thermal Insulation Requirements Internal diameter of Hot Water Service Pipe Minimum Required R -value for Pipe Insulation Hot Water Vessels Minimum Required R -value for Vessel 80 mm 1.0 Refer (4.5.).0 Additional insulation to manufacturer's insulation may be required to achieve this value.

4 FLOOR: Design Floor Construction Floor Slab on the ground Is the Concrete slab on the ground Is a In-slab heating to be proposed Suspended floor Slab Is Suspended floor a building envelope Is a In-slab heating to be proposed Floor Insulation Requirements Floor Slab on the ground Suspended floor Slab Perimeter insulation required Under-floor insulation required Insulation of partial or unenclosed exterior perimeter required Perimeter & under-floor insulation required Yes Yes Min. Insulation required of R-value:1.0 & refer SANS XA (4.4.) / (4.3.) 30mm thick Isoboard Insulation according to engineer 50 mm Cavity 110 mm Bricks 1 mm Plaster Iso Board DPC Screed Surface Bed Compacted Soil Ground Level Strip Foundation ACCORDING TO SANS Part H / ENGINEERS SPECIFICATION General Slab Insulation Detail

5 WALL: Design Wall Construction: External SANS XA Required R -value Wall Type Masonry Minimum R-value required: 0.35 Refer SANS XA (4.4.3) &. Compliant masonry walling Double-skin masonry wall, no cavity, plastered internally or rendered externally. SANS XA Wall Assembly Material Moving Air External Plasterwork Brickwork Internal Planster work Unventilated Air Obtained R-value Conductivity Thickness Resistivity N/A N/A N/A N/A Total R-value Achived Min R-Value Achieved Required CR-value Minimum CR-value required 80 Hours Advisory te - Applicable to masonry walls only in terms of Double brick wall type cavity CR -value 40 CR-value of wall insufficient.

6 Roofs Assembly SANS XA Min. Required R-value Minimum Total R -value required: Direction of heat flow: SANS XA Obtained R-value Roof Covering Material Thermal Insulation 3.0 m² K/W Up Clay tile type Roof covering material R-value 0.35 m² K/W Ceiling R-value 0.05 m² K/W Total obtained R-value 0.40 m² K/W Obtained R-value Construction Type R -value Is Roof vented Unventilated Type roof construction Metal -45 pitch w/ cathedral/open beam ceiling R-value for Roof Heat flow Direction Moving Air (7m/s) Metal cladding Roof air space(30 mm to 100 mm, non-reflec ve) Plasterboard, gypsum (10 Unventilating mm, 880 kg/m³) Air Total Obtained R-value Density of insulation to be installed Min. Thickness of insulation to be installed Insulation required with minimum R-Value: ROOF: Design UP m K/W 7.50 kg/m³ 115 mm.84 m K/W Min R-Value NOT Achieved, Refer to SANS Insulation product to be installed Cellulose fibre loose-fill See (4.3.6.) Min R-Value NOT Achieved: Thermal Insulation Require RECOMMODATION It is recommended that a Cellulose fibre loose-fill with a thickness of 115 mm needs to be installed in order to achieve the min. additional R-value of.84 mk/w

7 Buildings with Natural Environmental Control FENESTRATION: Design SANS 10400XA Glazing Elements Glazing Element Size Glazing Element Sector Shade Solar Exposure Achieved P Storey Level Gazing Ref Quantity Width (m) Height (m) Area U-value SHGC Orientation Projection (m) Height 1 (m) Height (m) Factor ( E ) Conductance SHG P/H ( P ) ( H ) ( G ) Ground Storey NC rth G H G H P Glazing element performance figures Performance Values Glass Description Aluminium / Steel Framing Timber / upvc / *Aluminium Framing Total U-value SHGC Total U-value SHGC Single clear Single tinted Single Low E Clear Double ( 3/6/3 ) Tinted Double Clear Double Low E Tinted Double Low E (*) Thermal Break Framing Fenestration Constants Conductance ( C U ) constant: Solar Heat Gain ( C SHGC ) constant: SANS 10400XA COMPLIANCE Ground Storey Net Floor Area of Storey / Room: m Fenestration Area of Storey / Room: m % Fenestration Area to Nett Floor Area: % 5 4 DO NOT COMPLY: Where the total area of the glazing elements of a storey is greater than 15% of the nett floor area of the storey the requirements contained in shall be complied with. First Storey Net Floor Area of Storey / Room: m Fenestration Area of Storey / Room: m % Fenestration Area to Nett Floor Area: % #VALUE! #VALUE! SANS 10400XA Second Storey Net Floor Area of Storey / Room: m Fenestration Area of Storey / Room: m % Fenestration Area to Nett Floor Area: % #VALUE! #VALUE! COMPLIANCE Ground Storey ACHIEVED ALLOWED Conductance ( C U ) for Storey / Room: Do t Comply: refer (4.3.4) Solar Heat Gain ( C SHGC ) for Storey / Room: Comply: refer (4.3.4) First Storey Conductance ( C U ) for Storey / Room: Solar Heat Gain ( C SHGC ) for Storey / Room: Second Storey Conductance ( C U ) for Storey / Room: Solar Heat Gain ( C SHGC ) for Storey / Room: