Standard preambles to all trades

1 Standard preambles TO ALL trades Rev 3 January 2009 KWAZULU-NATAL DEPARTMENT OF HEALTH Standard preambles TO ALL trades REV 3 JANUARY 2009 Compiled by: Department of Health Infrastructure Development Engineering Services Private Bag X9051 PIETERMARITZBURG 3201 Standard preambles TO ALL trades Rev 3 January 2009 INDEX 1. ALTERATIONS 1 Site Visit ---------------------------------------- ---------------------------------------- ------------- 1 Materials from the Alterations ---------------------------------------- -------------------------- 1 Asbestos Regulations 2001 ---------------------------------------- ---------------------------- 1 Notice of Disconnections ---------------------------------------- -------------------------------- 2 Dust ---------------------------------------- ---------------------------------------- ------------------- 2 Shoring ---------------------------------------- ---------------------------------------- --------------- 2 Matching Existing Work ---------------------------------------- ---------------------------------- 2 Forming New Openings etc in Existing Walls ---------------------------------------- ------ 2 2.

2 EARTHWORKS 2 Site Clearance ---------------------------------------- ---------------------------------------- ----- 2 Excavations ---------------------------------------- ---------------------------------------- --------- 3 Water ---------------------------------------- ---------------------------------------- ----------------- 4 Working Space ---------------------------------------- ---------------------------------------- ----- 4 Risk of Collapse ---------------------------------------- ---------------------------------------- --- 4 Filling, etc. ---------------------------------------- ---------------------------------------- ----------- 4 Compaction of Filling, etc ---------------------------------------- ------------------------------- 5 Protection against Subterranean Wood-destroying Termites -------------------------- 5 Re-use of Excavated Material ---------------------------------------- -------------------------- 6 Demolitions ---------------------------------------- ---------------------------------------- --------- 6 Grass Planting and Turfing ---------------------------------------- ----------------------------- 6 3.

3 CONCRETE, FORMWORK AND REINFORCEMENT Interpretations ---------------------------------------- ---------------------------------------- ---- 8 Definitions ---------------------------------------- ---------------------------------------- --------- 8 Materials ---------------------------------------- ---------------------------------------- ----------- 8 Reinforcement ---------------------------------------- ---------------------------------------- ---- 9 Form Work ---------------------------------------- ---------------------------------------- --------- 10 Concrete Quality ---------------------------------------- ---------------------------------------- - 12 Transportation and Placing ---------------------------------------- --------------------------- 16 Construction Joints---------------------------------- ---------------------------------------- ----- 16 Construction Details ---------------------------------------- ------------------------------------ 17 Records ---------------------------------------- ---------------------------------------- ------------ 18 Tests ---------------------------------------- ---------------------------------------- ---------------- 18 Acceptance Criteria for Strength of Concrete ---------------------------------------- ---- 19 Procedure in the Event

4 Of Failure ---------------------------------------- ------------------- 19 Non-structural Prescribed Mix Concrete ---------------------------------------- ---------- 20 No Fines Concrete ---------------------------------------- ------------------------------------ 20 Breeze Concrete ---------------------------------------- ---------------------------------------- 21 Finishes to In-situ Concrete ---------------------------------------- -------------------------- 21 Unformed Finishes ---------------------------------------- -------------------------------------- 21 Tolerances ---------------------------------------- ---------------------------------------- -------- 22 Supervision ---------------------------------------- ---------------------------------------- ------- 22 General ---------------------------------------- ---------------------------------------- ------------ 22 4.

5 BRICKWORK 23 Sand ---------------------------------------- ---------------------------------------- ----------------- 23 Cement ---------------------------------------- ---------------------------------------- -------------- 23 Lime ---------------------------------------- ---------------------------------------- ------------------ 24 Water ---------------------------------------- ---------------------------------------- ---------------- 24 Cement Mortar ---------------------------------------- ---------------------------------------- ---- 24 Compo Mortar ---------------------------------------- ---------------------------------------- ----- 24 Strength Mortar ---------------------------------------- ---------------------------------------- --- 24 Mixing of Mortar ---------------------------------------- ---------------------------------------- -- 24 Testing of Strength Mortar ---------------------------------------- ----------------------------- 24 Burnt Clay Common Bricks ---------------------------------------- ---------------------------- 24 Standard preambles TO ALL trades Updated January 2009 Bricks for Foundations ---------------------------------------- --------------------------------- 24 Brickwork

6 ---------------------------------------- ---------------------------------------- ---------- 24 Hollow Walls ---------------------------------------- ---------------------------------------- ------ 25 Brick Linings to Concrete ---------------------------------------- ------------------------------ 25 Reinforced Brick Lintels ---------------------------------------- -------------------------------- 25 Pre-cast, Pre-stressed Concrete Lintels ---------------------------------------- ----------- 25 Bagging Down Brickwork ---------------------------------------- ------------------------------ 25 Cramps ---------------------------------------- ---------------------------------------- ------------- 25 Ties to Wall Plates, Rafters etc. ---------------------------------------- ---------------------- 25 Welded Mesh Brick Reinforcement ---------------------------------------- ----------------- 25 Bitumen Emulsion Waterproofing to Brickwork ---------------------------------------- -- 26 Facing Bricks, Paving Bricks, Quarry Tiles etc.

7 ---------------------------------------- - 26 Faced Brickwork ---------------------------------------- ---------------------------------------- - 26 Paving Bricks and Quarry Tiles ---------------------------------------- ---------------------- 26 Fibre Cement Sills ---------------------------------------- --------------------------------- 26 Rates ---------------------------------------- ---------------------------------------- --------------- 26 5. WATERPROOFING 27 General ---------------------------------------- ---------------------------------------- ------------ 27 Workmanship ---------------------------------------- ---------------------------------------- ----- 27 Polyethylene Sheeting ---------------------------------------- --------------------------------- 27 Mastic Asphalt Roofing ---------------------------------------- -------------------------------- 27 Flexible Glass Fibre Reinforced Polyester Waterproofing ---------------------------- 28 Expansion Joint Sealants ---------------------------------------- ----------------------------- 28 Rates

8 ---------------------------------------- ---------------------------------------- --------------- 28 6. ROOF COVERINGS 29 Concrete Roofing Tiles ---------------------------------------- -------------------------------- 29 Chromodek roof sheeting ---------------------------------------- ----------------------------- 29 Rates ---------------------------------------- ---------------------------------------- --------------- 29 Corrugated Iron roofing, cladding and filling--------------------------------- ------------- 30 Fluted steel roofing, cladding and filling--------------------------------- ------------------ 30 Rates for roofing, cladding and filling--------------------------------- ---------------------- 31 7. CARPENTRY AND JOINERY 31 Nomenclature of Timbers ---------------------------------------- ------------------------------ 31 Timber Sizes ---------------------------------------- ---------------------------------------- ------ 31 Storage of Timbers ---------------------------------------- -------------------------------------- 32 Orders ---------------------------------------- ---------------------------------------- -------------- 32 Pre-treatment of Timbers ---------------------------------------- ------------------------------ 32 Stress Grading of Softwood Timber ---------------------------------------- ----------------- 32 Structural Timber ---------------------------------------- ---------------------------------------- 32 Brandering and Battens ---------------------------------------- -------------------------------- 32 Joinery and Shelving

9 ---------------------------------------- ------------------------------------ 32 Structural Laminated Timbers ---------------------------------------- ------------------------ 32 Finger-jointed Timbers ---------------------------------------- --------------------------------- 32 Jointing of Purlins, Fascias, Rails, Beams etc ---------------------------------------- --- 33 Hard Woods ---------------------------------------- ---------------------------------------- ------ 33 Prefabricated Timber Roof Trusses ---------------------------------------- ---------------- 33 Fabrication and storage--------------------------------- ---------------------------------------- 34 Erection and bracing--------------------------------- - ---------------------------------------- -- 35 Rates ---------------------------------------- ---------------------------------------- ---------------- 35 Insulation.

10 Waterproofing and Dust Proofing Material for Roofs -------------------- 35 Gypsum Plasterboard ---------------------------------------- ---------------------------------- 35 Gypsum Coved Cornices ---------------------------------------- ------------------------------ 35 Fibre Cement Sheets ---------------------------------------- ----------------------------------- 35 Fibre Cement Cellulose Sheets ---------------------------------------- ---------------------- 35 Hardboard ---------------------------------------- ---------------------------------------- --------- 35 Veneers ---------------------------------------- ---------------------------------------- -------------- 35 Standard preambles TO ALL trades Updated January 2009 Plywood ---------------------------------------- ---------------------------------------- -------------- 36 Chip Board----------------------------------- ---------------------------------------- ---------------- 36 Batten Boarding ---------------------------------------- ---------------------------------------- ---- 36 D