ROOF COVERINGS. Quantity Split: Quantity Rate Note that the total quantity per each item is split into the various buildings and appears below each description as follows: A1 - DWG 04 - Staff Ablutions (2M2F1D) A2 - DWG 10 - Male Ablution (8B) A3 - DWG 17 - Female Ablutions (8G)
ROOF COVERINGS. PREAMBLES The descriptions given in the various items below are not necessarily full and complete and reference must be made to the "Model Preambles To All Trades 2008", "Supplementary Preambles" and "Supplementary Specifications" to this contract for the full requirements of each scheduled item SUPPLEMENTARY PREAMBLES
ROOF COVERINGS. Supplementary Preambles: For preambles see "Specifications of materials and methods to be used - PW 371" NOTE : Unless otherwise stated herein, all items in this bill shall be deemed to fall into Work Group No. 124 for CPAP formula purposes PROFILED METAL SHEETING AND ACCESSORIES 0,6mm "Kliplok" roof sheeting in chromadek finish fixed to timber purlins (elsewhere) 18 Roof covering with pitch not exceeding 25 degrees m2 19 Sundries
ROOF COVERINGS. NOTE: The use of trade names simply serves to indicate a standard acceptable to the Principal Agent. Any other brand may be used with prior written approval of the Principal Agent NOTE: Tenderers are advised to study the Model Preambles for Trades (2008 Edition) before pricing this bill - - - - - - - - - - - - - - - - - - - - - - - - - PROFILED METAL SHEETING AND ACCESSORIES
ROOF COVERINGS. MODEL PREAMBLES The tenderer is referred to the "Model Preambles for Trades 2008" for supplementary and comprehensive expansion of descriptions, appropriate provision for which shall be deemed to have been included in all relevant rates SUPPLEMENTARY PREAMBLES
ROOF COVERINGS. NOTE : Tenderers are advised to study the "Specification of Materials and Methods to be used" (OOG-001E) before pricing this bill PROFILED METAL SHEETING AND ACCESSORIES Supplementary preambles in connection with fixing of sheeting and accessories and laps are to be inserted when the Model Preambles for Trades (or other preambles not covering the fixing of sheeting and accessories and laps) are used When the pitch of troughed roof covering is less than 5 degrees or if dust proofing is required then the description of roof coverings "with side laps sealed" is to be used Where roof coverings are fixed on top of rigid board insulation to purlins etc descriptions of roof coverings are to include therefore
ROOF COVERINGS. Note: There are many kinds of roofing products. For the purpose of the following performance guidelines, regardless of the actual mate- rial used, the term “shingle” will be used to refer to all types of roof coverings.
ROOF COVERINGS. The Tenderer is referred to the relevant Clauses in the separate document Model Preambles for Trades (2008 Edition) TILES 300 x 400mm concrete tiles nailed with non-corrosive nails and/or fixed with suitable non-corrosive clips as required to and including 38 x 38mm sawn softwood battens at 300mm centres 1 Roof covering with pitches not exceeding 25 degrees m2 78 2 Open valleys including raking cutting on both sides (valley gutters elsewhere) m 24 accordance with SANS 952 Type B underlay m 20 ROOF AND WALL INSULATION Isobars high density 32-36kg/m3 rigid extruded polystrene 100% closed cell insulation boards 30mm thick x 600mm wide with brown paper and polyethylene laminate slip sheet factory applied to upper surface, with tongue and grove joints fixed concurrent with roof covering over steel purlins at minimun 1830 and maximum 3168mm centres with 5mm gap between boards butt jointed over purlins 4 Insulation boarding in 60mm widths with longitudinal flap joints, laid over purlins (at approximately 1830mm centres) and fixed concurrent with roof covering, including holes through boards etc m2 401 Carried Forward R MADIBA VALLEY XXXX Xxxx No. 8 Roof Coverings Amount Brought Forward R
ROOF COVERINGS. NOTE : Tenderers are advised to study the "Specification of Materials and Methods to be used" (OOG-001E) before pricing this bill PROFILED METAL SHEETING AND ACCESSORIES Supplementary preambles in connection with fixing of sheeting and accessories and laps are to be inserted when the Model Preambles for Trades (or other preambles not covering the fixing of sheeting and accessories and laps) are used When the pitch of troughed roof covering is less than 5 degrees or if dustproofing is required then the description of roof coverings "with side laps sealed" is to be used Carried Forward R Section No. 1 Bill No. 4 Refurbish 1 X 4 MULTIPURPOSE HALL, 2 CLASS Independent Development Trust Mahumani Secondary School Brought Forward R Where roof coverings are fixed on top of rigid board insulation to purlins etc descriptions of roof coverings are to include therefore
ROOF COVERINGS. NOTE : Tenderers are advised to study the "Specification of Materials and Methods to be used" (00G-001E) before pricing this bill RIBBED METAL SHEETING AND ACCESSORIES Klip-Lok 406' 0,58mm thick heavy industrial Z275 spelter galvanized steel sheeting and accessories with "Chromadek" finish, fixed to timber purlins or rails at maximum 1200mm centres: 18 Roof covering with pitch not exceeding 25 degrees, in transportable lengths not exceeding 20m. m2 129.00 Klip-Lok 406' Flashings: 19 Ridge capping 550mm girth, three times bent along girth and notched on site to suit roof profile (Code FK3). m 12.00 20 Hip capping 550mm girth, three times bent along girth and notched on site to suit roof profile. m 33.00
