Common use of MASONRY Clause in Contracts

MASONRY. MODEL PREAMBLES FOR TRADES NOTE:&Tenderers are advised to study the Model &Preambles for Trades before pricing this bill SUPPLEMENTARY PREAMBLES BRICKWORK Sizes in descriptions Where sizes in descriptions are given in brick units, "one brick" shall represent the length and "half brick" the width of a brick Hollow walls, etc Descriptions of hollow walls shall be deemed to include leaving every fifth perpend of the bottom course of the external skin open as a weep hole Walls in two skins described as "bagged and sealed" shall be deemed to include having the outer face of the inner skin bagged with 1:6 cement and sand mixture and sealed with two coats "Brixeal" bitumen emulsion waterproofing coating Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Bagged brick finish Bagged brickwork shall be of the mortar as described rubbed onto wall with hessian cloth to provide a fair finish. The finished surface shall be free of penetrations or pitted openings or large protruding lumps of mortar. The finish shall be to the principal agent's approval Face bricks Bricks shall be ordered timeously to obtain uniformity in size and colour Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Samples Samples of all masonry building units, except those for walls described as "load bearing", shall consist of a minimum of six units. Samples of building units to be used in walls described as "load bearing" shall consist of thirty units from every thirty thousand units delivered to site BRICKWORK SUPERSTRUCTURE Brickwork of "NFP" burnt clay bricks (7MPa nominal compressive strength) in Class II mortar 1 80mm Cut linings to concrete m2 10 2 Half brick walls m2 502 3 Half brick walls in beamfilling m2 56 4 One brick walls m2 2149 5 One brick yard walls including wire ties m2 86 Mortar strength test cubes 6 Making and testing 100 x 100 x 100mm mortar strength test cube No 15 Joint forming material in movement joints 9 Type 617 in brick shear walls m2 111 Brickwork reinforcement 10 75mm Wide reinforcement built in horizontally m 1477 11 150mm Wide reinforcement built in horizontally m 6321 Fabricated prestressed precast concrete lintels 12 110 x 75mm Lintels in lengths not exceeding 3m m 221 13 110 x 75mm Lintels in lengths exceeding 3m and not exceeding 4,5m m 75 18 230mm Wide sill set level and slightly projecting m 16 PAVING Paving is to be laid in accordance with SABS 1200 MJ, SABS 1058 and the Concrete Masonry Association's specifications 50mm "Smart Stone Magalies" or equivalent and approved paving bricks with butt joints on 50mm thick river sand bed mixed with 10% dry cement with sand and cement mixture swept into joints and hosed down including all necessary preparation of ground or filling, setting out, 19 cutting, etc complete Paving in herringbone pattern to falls and currents m2 920 20 Straight cut paving joint m 90 21 220mm Wide brick-on-flat header course edging on 25mm thick mortar bed m 110 22 220mm Wide brick-on-flat header course edging m 434 Total Carried Forward To Section Summary SECTION No. 2 m2 162 BILL No. 5 WATERPROOFING MODEL PREAMBLES FOR TRADES For Preambles refer to "MODEL PREAMBLES FOR TRADES 2008". These "MODEL PREAMBLES", published by the Association of South African Quantity Surveyors, are deemed to be included in these Bills of Quantities and tenderers are to ensure that they are in possession thereof. SUPPLEMENTARY PREAMBLES Waterproofing Waterproofing of roofs, basements, etc shall be laid under a ten year guarantee. Waterproofing to roofs shall be laid to even falls to outlets, etc with necessary ridges, hips and valleys. Descriptions of sheet or membrane waterproofing shall be deemed to include additional labour to turn-ups and turn-downs DAMPPROOFING OF WALLS AND FLOORS One layer of 375 micron "Consol Plastics Brikgrip DPC" or equivalent and approved embossed damp proof course 1 In walls One layer of 250 micron "Consol Plastics Gunplas USB Green" or equivalent and approved waterproof sheeting sealed at laps with "Gunplas Pressure Sensitive Tape" 2 Under surface beds m2 6819 One layer Derbigum CG3 and one layer Derbigum CG4H (horticultural) waterproofing membrane, with 100mm side laps and 150mm end laps, sealed by 'torch-fusion' to primed surfaces, followed by 150 micron polythene sheeting loose laid with 100mm laps sealed with pressure sensitive tape, to receive Delta MS20P (perforated) high density polyethylene dimpled drainage layer and followed by one layer of Bidim A2 Geofabric and landscaping (elsewhere specified). Waterproofing to be installed by an Approved Derbigum Contractor.

MASONRY. MODEL PREAMBLES FOR TRADES NOTE:&Tenderers are advised The Tenderer is referred to study the relevant clauses in the separate document Model &Preambles for Trades before pricing this bill SUPPLEMENTARY PREAMBLES BRICKWORK Sizes and to Supplementary Preambles which are incorporated into these Bills of Quantities BLOCKWORK Concrete masonry units Blocks are to be either solid or hollow modular dense concrete masonry units having a compressive strength of 7 MPa Wall ties for blockwork Wall ties shall be polypropylene "Permaties" complying with BS 76377. Ties for hollow walls shall be of sufficient length to allow not less than 75mm of each end to be built into the blockwork. Ties are to be spaced at intervals of not more than 1m in descriptions Where sizes the horizontal direction and not more than 400mm staggered in descriptions the vertical direction except at openings, vertical joints or ends of walls where they are given in brick unitsto be placed vertically above each other Blockwork Blockwork shall comply with "SABS 0145 " Concrete Masonry Construction" Carried Forward E Section No. 3 EXTERNAL REHABILITATION Bill No. 2 Superstructure Completion of Offices at Xxx 000 Xxxxxxxxx Xxxxxx, "one brick" Project No. SMVAF19:2023-2024 Amount Microprojects Coordination Unit Tel: 0000 0000 Fax: 0000 0000 Tender Bills of Quantities Brought Forward E Surfaces to be plastered shall represent the length and "half brick" the width have joints raked out to a depth of at least 10mm to provide a brick Hollow walls, etc Descriptions key. Cavities of hollow walls shall be deemed to include leaving every fifth kept free of mortar droppings or other undesirable matter. Every second perpend of the bottom course of the external skin of hollow walls shall be left open as a weep hole Walls in two skins described as "bagged and sealed" Standard complementary blocks Descriptions of blockwork shall be deemed to include having standard complementary blocks such as corner, three- quarter, half and quarter blocks required in the outer face construction of the inner skin bagged with 1:6 cement and sand mixture and sealed with two coats "Brixeal" bitumen emulsion waterproofing coating Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessedcorners, hollow recessedreveals, weathered pointingjambs, ends, etc Bagged brick finish Bagged brickwork to solid and hollow walls and for bonding as necessary DECORATIVE BLOCKS Blocks shall be of the mortar as described rubbed onto wall with hessian cloth to provide a fair finish. The finished surface shall be free of penetrations approved manufacturer, sound, well burnt or pitted openings or large protruding lumps of mortar. The finish shall be to the principal agent's approval Face bricks Bricks shall be ordered timeously to obtain uniformity cured and uniform and true in size size, shape and colour Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Samples Samples of all masonry building units, except those for walls described as "load bearing", shall consist of a minimum of six units. Samples of building units to be used in walls described as "load bearing" shall consist of thirty units from every thirty thousand units delivered to site BRICKWORK SUPERSTRUCTURE Brickwork of "NFP" burnt clay bricks (7MPa nominal compressive strength) in Class II mortar 1 80mm Cut linings to concrete m2 10 2 Half brick walls m2 502 3 Half brick walls in beamfilling m2 56 4 One brick walls m2 2149 5 One brick yard walls including wire ties m2 86 Mortar strength test cubes 6 Making and testing 100 x 100 x 100mm mortar strength test cube No 15 Joint forming material in movement joints 9 Type 617 in brick shear walls m2 111 Brickwork reinforcement 10 75mm Wide reinforcement built in horizontally m 1477 11 150mm Wide reinforcement built in horizontally m 6321 Fabricated prestressed precast concrete lintels 12 110 x 75mm Lintels in lengths not exceeding 3m m 221 13 110 x 75mm Lintels in lengths exceeding 3m and not exceeding 4,5m m 75 18 230mm Wide sill set level and slightly projecting m 16 PAVING Paving is to be laid in accordance with SABS 1200 MJ, SABS 1058 and the Concrete Masonry Association's specifications 50mm "Smart Stone Magalies" or equivalent and approved paving bricks with butt joints on 50mm thick river sand bed mixed with 10% dry cement with sand and cement mixture swept into joints and hosed down including all necessary preparation of ground or filling, setting out, 19 cutting, etc complete Paving in herringbone pattern to falls and currents m2 920 20 Straight cut paving joint m 90 21 220mm Wide brick-on-flat header course edging on 25mm thick mortar bed m 110 22 220mm Wide brick-on-flat header course edging m 434 Total Carried Forward To Section Summary SECTION No. 2 m2 162 BILL No. 5 WATERPROOFING MODEL PREAMBLES FOR TRADES For Preambles refer to "MODEL PREAMBLES FOR TRADES 2008". These "MODEL PREAMBLES", published by the Association of South African Quantity Surveyors, are deemed to be included in these Bills of Quantities and tenderers are to ensure that they are in possession thereof. SUPPLEMENTARY PREAMBLES Waterproofing Waterproofing of roofs, basements, etc shall be laid under a ten year guarantee. Waterproofing to roofs shall be laid to even falls to outlets, etc with necessary ridges, hips and valleys. Descriptions of sheet or membrane waterproofing shall be deemed to include additional labour to turn-ups and turn-downs DAMPPROOFING OF WALLS AND FLOORS One layer of 375 micron "Consol Plastics Brikgrip DPC" or equivalent and approved embossed damp proof course 1 In walls One layer of 250 micron "Consol Plastics Gunplas USB Green" or equivalent and approved waterproof sheeting sealed at laps with "Gunplas Pressure Sensitive Tape" 2 Under surface beds m2 6819 One layer Derbigum CG3 and one layer Derbigum CG4H (horticultural) waterproofing membrane, with 100mm side laps and 150mm end laps, sealed by 'torch-fusion' to primed surfaces, followed by 150 micron polythene sheeting loose laid with 100mm laps sealed with pressure sensitive tape, to receive Delta MS20P (perforated) high density polyethylene dimpled drainage layer and followed by one layer of Bidim A2 Geofabric and landscaping (elsewhere specified). Waterproofing to be installed by an Approved Derbigum Contractor.colour

MASONRY. MODEL PREAMBLES FOR TRADES NOTE:&Tenderers are advised Eliminate CMU walls from ceiling to study the Model &Preambles deck unless required for Trades before pricing this bill SUPPLEMENTARY PREAMBLES BRICKWORK Sizes in descriptions Where sizes in descriptions are given in brick unitsfire rating, "one brick" shall represent the length and "half brick" the width of a brick Hollow walls, etc Descriptions of hollow sound attenuation or security. • All restroom walls shall extend to deck; including walls between adjacent restrooms. • All restroom ceilings to be deemed to include leaving every fifth perpend hard surface instead of lay-in ceiling tile. • The ARCHITECT is responsible for ensuring the integrity of the bottom course moisture barrier on all outside walls. This includes frequent onsite inspections during the installation of the external skin open as a weep hole Walls in two skins described as "bagged waterproofing material and sealed" shall be deemed to include having the outer face of the inner skin bagged with 1:6 cement and sand mixture and sealed with two coats "Brixeal" bitumen emulsion waterproofing coating Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Bagged exterior brick finish Bagged brickwork shall be of the mortar as described rubbed onto wall with hessian cloth to provide a fair finish. The finished surface shall be free of penetrations or pitted openings or large protruding lumps of mortar. The finish shall be to the principal agent's approval Face bricks Bricks shall be ordered timeously to obtain uniformity in size and colour Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Samples Samples of all masonry building units, except those for walls described as "load bearing", shall consist of a minimum of six units. Samples of building units to be used in walls described as "load bearing" shall consist of thirty units from every thirty thousand units delivered to site BRICKWORK SUPERSTRUCTURE Brickwork of "NFP" burnt clay bricks (7MPa nominal compressive strength) in Class II mortar 1 80mm Cut linings to concrete m2 10 2 Half brick walls m2 502 3 Half brick walls in beamfilling m2 56 4 One brick walls m2 2149 5 One brick yard walls including wire ties m2 86 Mortar strength test cubes 6 Making and testing 100 x 100 x 100mm mortar strength test cube No 15 Joint forming material in movement joints 9 Type 617 in brick shear walls m2 111 Brickwork reinforcement 10 75mm Wide reinforcement built in horizontally m 1477 11 150mm Wide reinforcement built in horizontally m 6321 Fabricated prestressed precast concrete lintels 12 110 x 75mm Lintels in lengths not exceeding 3m m 221 13 110 x 75mm Lintels in lengths exceeding 3m and not exceeding 4,5m m 75 18 230mm Wide sill set level and slightly projecting m 16 PAVING Paving is to be laid in accordance with SABS 1200 MJ, SABS 1058 and the Concrete Masonry Association's specifications 50mm "Smart Stone Magalies" or equivalent and approved paving bricks with butt joints on 50mm thick river sand bed mixed with 10% dry cement with sand and cement mixture swept into joints and hosed down including all necessary preparation of ground or filling, setting out, 19 cutting, etc complete Paving in herringbone pattern to falls and currents m2 920 20 Straight cut paving joint m 90 21 220mm Wide brick-on-flat header course edging on 25mm thick mortar bed m 110 22 220mm Wide brick-on-flat header course edging m 434 Total Carried Forward To Section Summary SECTION No. 2 m2 162 BILL No. 5 WATERPROOFING MODEL PREAMBLES FOR TRADES For Preambles refer to "MODEL PREAMBLES FOR TRADES 2008". These "MODEL PREAMBLES", published by the Association of South African Quantity Surveyors, are deemed to be included in these Bills of Quantities and tenderers are to ensure that they the membrane is not damaged and that the weep holes are in possession thereofproperly located and not filled with mortar. SUPPLEMENTARY PREAMBLES Waterproofing Waterproofing of roofs, basements, etc • Mortar Net or similar product shall be laid under a ten year guaranteespecified on all projects. Waterproofing to roofs • Mock-up panel is required for all masonry designs. • All brick shall be laid king size, 1/3 bond. Special shapes required at corners if not 90 degrees. • All interior CMU to even falls be stack bond unless otherwise approved by OWNER. • All outside corners on CMU to outlets, etc with necessary ridges, hips be bull nose. Field ground bull nose is not acceptable. • Provide suitable backer material inside of door frames so that silencers can be securely installed in door frames after grouting. PLACE A BOLD NOTE ON THE DRAWINGS TO INDICATE THIS AS A MANDATORY OWNER REQUIREMENT. RETURN TO TABLE OF C ONTENTS DIVISION 05 METALS • Roof Deck: G-90 Galvanized 24 gauge slotted deck welded at every corrugation and valleysevery bar joist. Descriptions of sheet or membrane waterproofing shall be deemed to include additional labour to turn-ups and turn-downs DAMPPROOFING OF WALLS AND FLOORS One layer of 375 micron "Consol Plastics Brikgrip DPC" or equivalent and approved embossed damp proof course 1 In walls One layer of 250 micron "Consol Plastics Gunplas USB Green" or equivalent and approved waterproof sheeting sealed at laps with "Gunplas Pressure Sensitive Tape" 2 Under surface beds m2 6819 One layer Derbigum CG3 and one layer Derbigum CG4H (horticultural) waterproofing membrane, with 100mm Screw side laps and 150mm end laps, sealed by 'torch-fusion' to primed surfaces, followed by 150 micron polythene sheeting loose laid 18" on center with 100mm laps sealed with pressure sensitive tape, to receive Delta MS20P (perforated) high density polyethylene dimpled drainage layer and followed by one layer of Bidim A2 Geofabric and landscaping (elsewhere specified)#10 STAINLESS STEEL SELF TAPPING SCREWS. Waterproofing • Roof deck material to be installed 80,000 psi, minimum. • Weld washers not required on roof deck 22 gauge or thicker. • Do not allow welds to burn through deck leaving a hole. • Wire brush and paint or cold galvanize roof deck welds. • Space welds 6 inches on center in perimeter and corner zones. • Provide a roof ladder for all changes in roof level. • All roof deck standards must be reviewed by an Approved Derbigum Contractorthe District Roofing Consultant prior to releasing for proposal requests. CONTRACTOR shall facilitate a roof deck pre-installation meeting that shall include the District Roofing Consultant.

MASONRY. MODEL PREAMBLES FOR TRADES NOTE:&Tenderers Quantity Rate NOTE: Tenderers are advised to study the Model &Preambles for Trades before pricing this bill Tenderers are advised to study the Department of Public Works - Construction works: General Specification (PW371-A) and Construction works: Particular Specification (PW371-B) before pricing this bill SUPPLEMENTARY PREAMBLES BRICKWORK Sizes in descriptions Where sizes in descriptions are given in brick units, "one brick" shall represent the length and "half brick" the width of a brick Linings to concrete Descriptions of linings to concrete, unless otherwise described, shall be deemed to include wire ties Hollow walls, walls etc Descriptions of hollow walls shall be deemed to include wire ties and leaving every fifth perpend of the bottom course of the external skin open as a weep hole Walls in two skins described as "bagged and sealed" Reinforced brick lintels Lintels shall bear at least 160mm onto adjacent xxxxxxx. Where such bearing cannot be obtained due to the proximity of adjacent openings the lintel shall be deemed continuous Carried to include having the outer face of the inner skin bagged with 1:6 cement and sand mixture and sealed with two coats "Brixeal" bitumen emulsion waterproofing coating Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Bagged brick finish Bagged brickwork shall be of the mortar as described rubbed onto wall with hessian cloth to provide a fair finish. The finished surface shall be free of penetrations or pitted openings or large protruding lumps of mortar. The finish shall be to the principal agent's approval Collection R Amount Face bricks Bricks shall be ordered timeously to obtain uniformity in size and colour Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Samples Samples SamplesSamples of all masonry building units, except those for walls described as "load bearing", shall consist of a minimum of six 6 units. Samples of building units to be used in walls described as "load bearing" shall consist of thirty 30 units from every thirty thousand 30 000 units delivered to site BRICKWORK site. General Window surrounds shall be built into brick walls and pointed all round on both sides with 10 x 10mm square recessed joints Prices shall include for building in as single units or combinations in patterns of two or more window units and for bedding solid all round in mortar and pointing Note Aluminium infill windows, glazing and pointing with sealing compound are measured elsewhere SUPERSTRUCTURE Brickwork of "NFP" burnt clay NFP bricks (7MPa nominal compressive strength) in Class class II mortar 1 80mm Cut linings Piers m3 34 1 : 0 2 : 0 4 : 0 7 : 0 A : 6 B : 0 C : 0 D : 7 E : 0 F : 0 G : 21 H : 0 I : 0 J : 0 K : 0 L : 0 M : 0 N : 0 O : 0 W : 0 Carried to concrete m2 10 Collection R 2 L-shaped piers m3 8 1 : 0 2 : 0 4 : 0 7 : 0 A : 6 B : 0 C : 0 D : 2 E : 0 F : 0 G : 0 H : 0 I : 0 J : 0 K : 0 L : 0 M : 0 N : 0 O : 0 W : 0 X : 0 3 Half brick walls m2 502 3 Half brick walls in beamfilling m2 56 1,260 1 : 0 2 : 0 4 : 0 7 : 0 A : 92 B : 260 C : 51 D : 58 E : 0 F : 353 G : 0 H : 0 I : 0 J : 0 K : 237 L : 0 M : 0 N : 209 O : 0 W : 0 X : 0 4 One brick walls in beamfilling. m2 2149 2,410 1 : 0 2 : 0 4 : 0 7 : 0 A : 369 B : 480 C : 72 D : 119 E : 0 F : 916 G : 56 H : 71 I : 0 J : 0 K : 117 L : 0 M : 0 N : 210 O : 0 W : 0 X : 0 5 One brick yard walls m2 15,628 1 : 0 2 : 0 4 : 0 7 : 0 A : 2662 B : 3467 C : 519 D : 860 E : 0 F : 4929 G : 515 H : 382 I : 0 J : 0 K : 495 L : 0 M : 0 N : 1799 O : 0 W : 0 X : 0 6 345mm Hollow walls of a one brick skins and a half brick skins including wire vertical twist type wall ties (LI) m2 86 Mortar strength test cubes 6 Making 46 1 : 0 2 : 0 4 : 0 7 : 0 A : 0 B : 0 C : 46 D : 0 E : 0 F : 0 G : 0 H : 0 I : 0 J : 0 K : 0 L : 0 M : 0 N : 0 O : 0 W : 0 X : 0 Carried to Collection R BRICKWORK SUNDRIES 7 Closing 345mm cavity of hollow wall vertically with brickwork one brick and testing 100 x 100 x 100mm mortar strength test cube No 15 half brick wide m 24 1 : 0 A : 0 2 : 0 B : 0 4 : 0 C : 24 7 : 0 D : 0 E : 0 F : 0 G : 0 H : 0 I : 0 J : 0 K : 0 L : 0 M : 0 N : 0 O : 0 W : 0 X : 0 Joint forming material in movement joints 9 Type 617 joints: 8 12mm Bitumen impregnated fibre board built in vertically between brick shear walls skins not exceeding 300mm wide. m2 111 1,034 1 : 0 2 : 0 4 : 0 7 : 0 A : 59 B : 154 C : 30 D : 51 E : 0 F : 432 G : 33 H : 84 I : 0 J : 0 K : 146 L : 0 M : 0 N : 46 O : 0 W : 0 X : 0 Brickwork reinforcement 10 9 75mm Wide reinforcement built in horizontally m 1477 11 1 : 0 2 : 0 4 : 0 7 : 0 A : 1363 B : 920 C : 496 D : 521 E : 0 F : 3752 G : 0 H : 0 I : 0 J : 0 K : 700 L : 0 M : 0 N : 617 O : 0 W : 0 10 150mm Wide reinforcement built in horizontally 1 : 0 2 : 0 4 : 0 7 : 0 A : 7850 B : 10231 C : 1664 D : 2537 E : 0 F : 14544 G : 1520 H : 1127 I : 0 J : 0 K : 1960 L : 0 M : 0 N : 5307 O : 0 W : 0 Carried to Collection m 6321 Fabricated prestressed precast concrete lintels 12 110 x 75mm Lintels in lengths not exceeding 38,371 m m 221 13 110 x 75mm Lintels in lengths exceeding 3m and not exceeding 4,5m m 75 18 230mm Wide sill set level and slightly projecting m 16 PAVING Paving is to be laid in accordance with SABS 1200 MJ, SABS 1058 and the Concrete Masonry Association's specifications 50mm "Smart Stone Magalies" or equivalent and approved paving bricks with butt joints on 50mm thick river sand bed mixed with 10% dry cement with sand and cement mixture swept into joints and hosed down including all necessary preparation of ground or filling, setting out, 19 cutting, etc complete Paving in herringbone pattern to falls and currents m2 920 20 Straight cut paving joint m 90 21 220mm Wide brick-on-flat header course edging on 25mm thick mortar bed m 110 22 220mm Wide brick-on-flat header course edging m 434 Total Carried Forward To Section Summary SECTION No. 2 m2 162 BILL No. 5 WATERPROOFING MODEL PREAMBLES FOR TRADES For Preambles refer to "MODEL PREAMBLES FOR TRADES 2008". These "MODEL PREAMBLES", published by the Association of South African Quantity Surveyors, are deemed to be included in these Bills of Quantities and tenderers are to ensure that they are in possession thereof. SUPPLEMENTARY PREAMBLES Waterproofing Waterproofing of roofs, basements, etc shall be laid under a ten year guarantee. Waterproofing to roofs shall be laid to even falls to outlets, etc with necessary ridges, hips and valleys. Descriptions of sheet or membrane waterproofing shall be deemed to include additional labour to turn-ups and turn-downs DAMPPROOFING OF WALLS AND FLOORS One layer of 375 micron "Consol Plastics Brikgrip DPC" or equivalent and approved embossed damp proof course 1 In walls One layer of 250 micron "Consol Plastics Gunplas USB Green" or equivalent and approved waterproof sheeting sealed at laps with "Gunplas Pressure Sensitive Tape" 2 Under surface beds m2 6819 One layer Derbigum CG3 and one layer Derbigum CG4H (horticultural) waterproofing membrane, with 100mm side laps and 150mm end laps, sealed by 'torch-fusion' to primed surfaces, followed by 150 micron polythene sheeting loose laid with 100mm laps sealed with pressure sensitive tape, to receive Delta MS20P (perforated) high density polyethylene dimpled drainage layer and followed by one layer of Bidim A2 Geofabric and landscaping (elsewhere specified). Waterproofing to be installed by an Approved Derbigum Contractor.46,739 R Turning pieces

MASONRY. MODEL PREAMBLES FOR TRADES NOTE:&Tenderers are advised to study NOTE: For Preambles see the Model &Preambles for Trades before pricing this bill 2008 edition published by the Association of South African Quantity Surveyors SUPPLEMENTARY PREAMBLES BRICKWORK Sizes in descriptions Where sizes in descriptions are given in brick units, "one brick" shall represent the length and "half brick" the width of a brick Hollow walls, etc Descriptions of hollow walls shall be deemed to include leaving every fifth perpend of the bottom course of the external skin open as a weep hole Walls in two skins described as "bagged and sealed" shall be deemed to include having the outer face of the inner skin bagged with 1:6 cement and sand mixture and sealed with two coats "Brixeal" bitumen emulsion waterproofing coating Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Bagged brick finish Bagged brickwork shall be of the mortar as described rubbed onto wall with hessian cloth to provide a fair finish. The finished surface shall be free of penetrations or pitted openings or large protruding lumps of mortar. The finish shall be to the principal agent's approval Face bricks Bricks shall be ordered timeously to obtain uniformity in size and colour Pointing Descriptions of recessed pointing to fair face brickwork and face brickwork shall be deemed to include square recessed, hollow recessed, weathered pointing, etc Samples Samples of all masonry building units, except those for walls described as "load bearing", shall consist of a minimum of six units. Samples of building units to be used in walls described as "load bearing" shall consist of thirty units from every thirty thousand units delivered to site BRICKWORK SUPERSTRUCTURE Brickwork of "NFP" burnt clay NFP bricks (7MPa nominal compressive strength) in Class class II mortar 1 80mm Cut linings Mass brickwork in piers m3 5 Mass brickwork in piers to concrete m2 10 2 yard and boundary walls m3 15 Half brick walls m2 502 182 Half brick walls in lining to concrete retaining walls m2 375 One brick walls m2 1,932 One brick walls circular on plan m2 60 Carried to Collection 7 One brick walls under counters circular on plan m2 8 8 One brick walls in gables m2 173 9 One brick walls in screen walls m2 10 10 One brick walls in sides to ramps m2 8 11 One brick walls in yard walls boundary walls m2 836 12 One brick walls in sides of benches m2 4 13 One brick walls in sides of benches circular on plan m2 3 14 Half brick walls in beamfilling m2 56 4 One 255mm high m 30 15 Half brick walls m2 2149 5 One in beamfilling 425mm high m 131 16 Half brick yard walls including wire ties m2 86 Mortar strength test cubes kerb 255mm high m 6 Making and testing 100 x 100 x 100mm mortar strength test cube No 15 Joint forming material in movement joints 9 Type 617 17 10mm Soft board built in brick shear vertically between brickwork or concrete not exceeding 300mm high or wide to yard and boundary walls m2 111 m Brickwork reinforcement 10 825 18 75mm Wide reinforcement built in horizontally m 1477 11 545 19 150mm Wide reinforcement built in horizontally m 6321 Fabricated prestressed precast concrete 6,161 20 150mm Wide reinforcement built in horizontally to yard and boundary walls m Prestressed fabricated lintels 12 2,677 21 110 x 75mm Lintels in lengths not exceeding 3m m 221 13 110 x 75mm Lintels Turning pieces Galvanised hoop iron cramps, ties, etc concrete beam and other end built into brickwork No 47 FACE BRICKWORK Carried to Collection R FACED BRICKWORK External facings in lengths exceeding 3approved face bricks (FBX) Corobrik Silver Grey Satin or similar approved pointed with square recessed horizontal and vertical joints 24 Extra over brickwork for face brickwork m2 1,529 25 Extra over brickwork for face brickwork to ramp walls m2 8 26 Extra over brickwork for face brickwork to retaining wall m2 375 27 Extra over brickwork for face brickwork to ramp walls circular on plan m2 6 28 Extra over brickwork for face brickwork to seating area walls m2 7 29 Extra over brickwork for face brickwork to yard walls, screen walls and boundary walls, etc m2 1,554 30 Fair raking cutting to face brickwork m and not exceeding 4,5m m 75 18 230mm Wide sill set level and slightly projecting m 16 PAVING Paving is to be laid 3 Brick-on-edge header course copings, xxxxx, etc in accordance face bricks (FBX) Corobrik Silver Grey Satin or similar approved pointed with SABS 1200 MJ, SABS 1058 and the Concrete Masonry Association's specifications 50mm "Smart Stone Magalies" or equivalent and approved paving bricks with butt recessed joints on 50all exposed faces 31 Face brick on edge coping on top of one brick wall m 30 32 Face brick on edge coping on top of one brick parapet walls m 94 33 Face brick on edge coping on top of 360mm thick river sand bed mixed with 10% dry cement with sand wide retaining wall m 250 34 Face brick on edge coping on top of one brick wall to yard and cement mixture swept into joints boundary walls m 380 35 Face brick on edge coping to 460 x 460mm pier pointed on top and hosed down including all necessary preparation of ground or filling, setting out, 19 cutting, etc complete Paving in herringbone pattern 110mm face to falls boundary walls No 6 36 Face brick on edge coping to 340 x 110mm projecting pier pointed on top and currents m2 920 20 Straight cut paving joint m 90 21 220110mm Wide face to boundary walls No 275 37 Face brick on edge coping to 340 x 340mm projecting pier pointed on top and 110mm face to boundary walls No 18 38 Face brick-on-edge flat header lintel course edging on 25mm thick mortar bed m 110 22 220mm Wide wide pointed on soffit and 110mm face m 136 Carried to Collection R 39 Face brick-on-flat edge external window cill, 230mm wide, set sloping and slightly projecting including all necessary fair cutting to facings under and fair and fitted ends m Brick-on-edge header course edging copings, xxxxx, etc in face bricks (FBX) Corobrik Titanium Satin or similar approved pointed with recessed joints on all exposed faces 154 40 Face brick on flat projecting course 110 x 110mm in surrounds to windows, doors, etc m 434 GLASS BLOCK WALLS 190 x 190 x 80mm Glass blocks bedded and jointed in slow-setting class I mortar with continuous joints in both directions pointed in tinted mortar on both sides with flush horizontal and vertical joints 133 41 80mm Walls in panels between brickwork m2 11 Carried to Collection R MASONRY COLLECTION Total Brought Forward from Page No. Carried Forward To to Summary of Section Summary SECTION No. 2 m2 162 BILL No. Page No C2.2-66 C2.2-67 C2.2-68 C2.2-69 Amount R Item No 2 3 4 5 WATERPROOFING MODEL PREAMBLES FOR TRADES For Preambles refer to "MODEL PREAMBLES FOR TRADES 2008". These "MODEL PREAMBLES", published by the Association of South African 6 7 8 9 10 R Amount Quantity Surveyors, are deemed to be included in these Bills of Quantities and tenderers are to ensure that they are in possession thereof. SUPPLEMENTARY PREAMBLES Waterproofing Waterproofing of roofs, basements, etc shall be laid under a ten year guarantee. Waterproofing to roofs shall be laid to even falls to outlets, etc with necessary ridges, hips and valleys. Descriptions of sheet or membrane waterproofing shall be deemed to include additional labour to turn-ups and turn-downs DAMPPROOFING OF WALLS AND FLOORS One layer of 375 micron "Consol Plastics Brikgrip DPC" or equivalent and approved embossed damp proof course 1 In walls One layer of 250 micron "Consol Plastics Gunplas USB Green" or equivalent and approved waterproof sheeting sealed at laps with "Gunplas Pressure Sensitive Tape" 2 Under surface beds m2 6819 One layer Derbigum CG3 and one layer Derbigum CG4H (horticultural) waterproofing membrane, with 100mm side laps and 150mm end laps, sealed by 'torch-fusion' to primed surfaces, followed by 150 micron polythene sheeting loose laid with 100mm laps sealed with pressure sensitive tape, to receive Delta MS20P (perforated) high density polyethylene dimpled drainage layer and followed by one layer of Bidim A2 Geofabric and landscaping (elsewhere specified). Waterproofing to be installed by an Approved Derbigum Contractor.Rate