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 Proprietary products shall be used as specified. Substitute products of similar quality and specification may only be used with prior approval by the Principal Agent. The material to be excavated is assumed to be predominantly of a composition that will allow excavation in "earth" as specified, but including a percentage of excavation in "soft rock" and "hard rock". Descriptions of carting away of excavated material shall be deemed to include loading excavated material onto trucks directly from the excavations, or alternatively, from stock piles situated on the building site.
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 Flashings shall be approved by roof sheeting manufacturer and fixed to the sheeting with S10 clips to obviate any direct fixing perforations. Prior to flashings being fixed, all troughs at the apex shall be stop-ended to the full depth of the sheet in order to prevent any penetration of wind drived water. The trough shall be lipped at the xxxxx end to form a drip. Flashing flanges shall be notched to the sheet profile where necessary. All these operations must be performed with special tools available from the manufacturer. Care shall be taken to ensure that no sheeting or flashing will be cut with abrasive disc on roof surface in order to prevent steel splatter from penetrating colour coated areas. The flashings shall be supplied with a paint finish consisting of a full top coat silicon modified polyester Colour : White to one side Section 2 Bill No. 5 Roof Coverings Etc.
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 Where trade names are specified it will read "or equal approved" PAINTWORK ETC TO NEW WORK ON FLOATED PLASTER Prepare surface and remove all loose material, apply one coat PLASCON Wall & All Pure Acrylic paint, thinned 20%, two coats PLASCON Wall & All Pure Acrylic paint or equal approved. 1 On internal walls. m2 A1 : 132 A2 : 86 A3 : 119 337 Section 2 Bill No. 11 Paintwork Stop, sand down and prepare wood surfaces and apply one coat wood primer, one undercoat and two coats eggshell enamel paint as per Plascon or equal approved: 2 On doors m2 43 A1 : 13 A2 : 7 A3 : 23 3 On exposed timbers. m2 22 A1 : 7 A2 : 7 A3 : 8 Prepare and apply two coats pure acrylic roof paint on: 4 On fascias and barge boards. m2 16 A1 : 5 A2 : 5 A3 : 6 5 Vent Pipes m2 4 A1 : 1 A2 : 1 A3 : 2 Section 2 Bill No. 11 Paintwork
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 Proprietary products shall be used as specified. Substitute products of similar quality and specification may only be used with prior approval by the Principal Agent. The costs of making, storing and testing of concrete test cubes as required under clause 7 'Tests' of SABS 1200 G shall include the cost of providing cube moulds necessary for the purpose, for testing costs and for submitting reports on the tests to the Architect. The testing shall be undertaken by an independent firm or institution nominated by the Contractor to the approval of the Architect. (Test cubes are measured separately). Section 2 Bill No. 2 Concrete, Formwork and Reinforcement Descriptions of formwork shall be deemed to include use and waste only (except where described as left in or permanent), for fitting together in the required forms, wedging, plumbing and fixing to true angles and surfaces as necessary to ensure easy release during stripping and for reconditioning as necessary before re- use. The vertical strutting shall be carried down to such construction as is sufficiently strong to afford the required support without damage and shall remain in position until the newly constructed work is able to support itself. Formwork to soffits of solid slabs etc., shall be deemed to be to slabs not exceeding 250mm thick unless otherwise described. Formwork to sides of bases, pile caps, ground beams, etc., will only be measured where it is prescribed by the Engineer for design reasons. Formwork necessitated by irregularity or collapse of excavated faces will not be measured and the cost thereof shall be deemed to be included in the allowance for taking the risk of collapse of the sides of the excavations, provision for which is made in Earthworks. Section 2 Bill No. 2 Concrete, Formwork and Reinforcement REINFORCED CONCRETE CAST AGAINST EXCAVATED SURFACES 1 Surface blinding under base slabs and ground beams (Provisional). A1 : 1 A2 : 1 A3 : 1 2 Ground Beams. A1 : 3 A2 : 2 A3 : 2 3 Surface beds on waterproofing. A1 : 1 A2 : 1 A3 : 2 4 Suspended Slabs. A1 : 3 A2 : 1 A3 : 3 5 Ground base slabs. A1 : 5 A2 : 2 A3 : 4 6 Aprons, including edge thickening, Cast in Panels on waterproofing. A1 : 3 A2 : 2 A3 : 2 7 Ramps. A1 : 2 A2 : 0 A3 : 0 m3 3 m3 7 m3 4 m3 7 m3 11 m3 7 m3 2 8 M...
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 The Contractor is to check and verify on site that the item specified in the BoQ matches existing prior to placing orders. Additional costs will not be borne by the client for items that do not match existing and are not approved by the Principal Agent All aluminium windows are to be manufactured by manufacturers who are members of AAAMSA. All aluminium systems to be approved by AAAMSA. All aluminium work is to be protected by covering with plastic sheeting fixed with low tack adhesive prior to leaving the factory. Plastic sheeting is to remain in place during construction. All glazing shall be in accordance with SABS 0400 - 1990, SABS 1263 - 1. All safety glazing materials (individual panes) shall be permanently marked. Such marking shall be visible after glazing process. If it is not marked, it is not safety glass. Section 2
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
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 BRICKWORK Where sizes in descriptions are given in brick units, "one brick" shall represent the length and "half brick" the width of a brick Clay & concrete bricks are to comply with N.H.B.R.C Part 2, Section 3
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 Each lock is to be distinctly numbered with consecutive numbers and each key is to be stamped with the corresponding number to the lock that it controls. All locks are to have two keys Where trade names are specified other ironmongery approved by the Principal Agent may be used Fixing of ironmongery is deemed to be fixed to timber unless otherwise described Section 2 Bill No. 7 Ironmongery 1 75 x 100mm Brass Medium duty ball bearing HMP butt hinges. 2 "UNION 2277-78SS" or equal approved three lever sash mortice lockset. 3 "E1511 EREBUS" H/D Adjustable Roller Catch - SC or equal approved. 4 "UNION CZ682-24SC" or equal approved handles. 5 "Dorma DPH301B" or equal approved Stainless Steel Straight Tubular Pull handle flange fixing. 6 "Dorma DPH301C-BT" or equal approved Stainless Steel Straight Pull handle D 152x19mm. Pairs Sets 7 38mm Diameter black rubber door stop plugged and screwed to wall. No 6 A1 : 6 A2 : 0 A3 : 0 All sign plates are to be with engraved blue perspex all in accordance with the standard sign plates for Schools. 8 Sign plate plugged and screwed to walls with chromium plated dome headed screws. No 5 A1 : 3 A2 : 1 A3 : 1 Section 2 Bill No. 7 Ironmongery 9 Thiefproof toilet roll holder plugged. A1 : 4 A2 : 2 A3 : 6
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 Each lock is to be distinctly numbered with consecutive numbers and each key is to be stamped with the corresponding number to the lock that it controls. All locks are to have two keys Where trade names are specified other ironmongery approved by the Principal Agent may be used Fixing of ironmongery is deemed to be fixed to timber unless otherwise described
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 The Contractor is to check and verify on site that the item specified in the BoQ matches existing prior to placing orders. Additional costs will not be borne by the client for items that do not match existing and are not approved by the Principal Agent Section 2 Bill No. 8 Metalwork All aluminium windows are to be manufactured by manufacturers who are members of AAAMSA. All aluminium systems to be approved by AAAMSA. All aluminium work is to be protected by covering with plastic sheeting fixed with low tack adhesive prior to leaving the factory. Plastic sheeting is to remain in place during construction. All glazing shall be in accordance with SABS 0400 - 1990, SABS 1263 - 1. All safety glazing materials (individual panes) shall be permanently marked. Such marking shall be visible after glazing process. If it is not marked, it is not safety glass. Natural anodised aluminium windows glazed with 6.38mm safety laminated glass and plugged to brickwork: 1 Window Size 600 x 600mm high complete, including ironmongery etc, all as per Window Type W01. No 56 A1 : 12 A2 : 16 A3 : 15 A4 : 13
