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 ---------------------------------------- ---------------------------------------- --------------- 2 Matching Existing Work ---------------------------------------- ---------------------------------- 2 Forming New Openings etc in Existing Walls ---------------------------------------- ------ 2 2. EARTHWORKS 2 Site Clearance ---------------------------------------- ---------------------------------------- ----- 2 Excavations ---------------------------------------- ---------------------------------------- --------- 3 Water ---------------------------------------- ---------------------------------------- ----------------- 4 Working Space ---------------------------------------- ---------------------------------------- ----- 4 Risk of Collapse ---------------------------------------- ---------------------------------------- --- 4 Filling, etc.

3 ---------------------------------------- ---------------------------------------- ----------- 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.

4 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

5 ---------------------------------------- ------------------------------------ 17 Records ---------------------------------------- ---------------------------------------- ------------ 18 Tests ---------------------------------------- ---------------------------------------- ---------------- 18 Acceptance Criteria for Strength of Concrete ---------------------------------------- ---- 19 Procedure in the Event 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

6 ---------------------------------------- ---------------------------------------- ------- 22 General ---------------------------------------- ---------------------------------------- ------------ 22 4. BRICKWORK 23 Sand ---------------------------------------- ---------------------------------------- ----------------- 23 Cement ---------------------------------------- ---------------------------------------- -------------- 23 Lime ---------------------------------------- ---------------------------------------- ------------------ 24 Water

7 ---------------------------------------- ---------------------------------------- ---------------- 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 ---------------------------------------- ---------------------------------------- ---------- 24 Hollow Walls

8 ---------------------------------------- ---------------------------------------- ------ 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.

9 ---------------------------------------- ---------------------- 25 Welded Mesh Brick Reinforcement ---------------------------------------- ----------------- 25 Bitumen Emulsion Waterproofing to Brickwork ---------------------------------------- -- 26 Facing Bricks, Paving Bricks, Quarry Tiles etc. ---------------------------------------- - 26 Faced Brickwork ---------------------------------------- ---------------------------------------- - 26 Paving Bricks and Quarry Tiles ---------------------------------------- ---------------------- 26 Fibre Cement Sills ---------------------------------------- --------------------------------- 26 Rates ---------------------------------------- ---------------------------------------- --------------- 26 5.

10 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 ---------------------------------------- ---------------------------------------- --------------- 28 6.