kingdom of saudia arabia the saudi fund for development

275 Pages·2017·1.76 MB·English

KINGDOM OF SAUDIA ARABIA
THE SAUDI FUND FOR DEVELOPMENT ( SFD)
KINGDOM OF SAUDI ARABIA
PROJECT NAME
REHABILITATION WORKS FOR THREE NON -GOVERMENTAL
SCHOOLS IN THE GAZA STRIP
SCHOOLE NAME
ROSARY SISTERS SCHOOL
FUNDED BY
KINGDOM OF SAUDIA ARABIA
THROUGH THE SAUDI FUND FOR DEVELOPMENT ( SFD)
IMPLEMENTED BY
UNITED NATIONS RELIEF AND WORKS AGENCY ( UNRWA)
THROUGH UNITED NATIONS DEVELOPMENT PROGRAMME ( UNDP/PAPP)
TECHNICAL SPESIFICATIONS
CONSTRUCTION WORKS
CONSULTANT
TECHNICAL ENGINEERING CONSULTING COMPANY
UNDP Rosary Sisters School in Gaza Strip TECC

TABLE OF CONTENTS
1.  GENERAL .................................................................................................................................... 1 
2.  EARTH WORKS .......................................................................................................................... 6 
3.  CONCRETE WORKS ................................................................................................................ 32 
4.  MASONRY WORKS ................................................................................................................... 47 
5.  NATURAL STONE WORKS ..................................................................................................... 50 
6.  PAVIOUR ................................................................................................................................... 57 
7.  ROOFER AND CORROSION PROTECTION MATERIAL ................................................... 68 
8.  CORROSION PROTECTION AND SURFACE COATINGS ................................................. 75 
9.  CARPENTRY AND JOINERY .................................................................................................. 79 
10.  IRONMONGERY ....................................................................................................................... 84 
11.  METAL AND ALUMINIUM WORKS ...................................................................................... 86 
12.  METAL & PLASTIC WORKS ................................................................................................... 95 
13.  PLUMBING AND SANITARY WARE ................................................................................... 106 
14.  PLASTER WORK AND OTHER FLOOR, WALL AND CEILING FINISHES .................. 118 
15.  GLAZING ................................................................................................................................. 123 
16.  PAINTING AND DECORATION ........................................................................................... 128 
17.  PIPELINES AND PIPES WORKS ......................................................................................... 133 
18.  MECHANICAL SPECIFICATIONS .................................................................................... 148 
19.  ELECTRICAL SPECIFICATIONS ........................................................................................ 171 
20.  GENERAL SOFTSCAPE ........................................................................................................ 187 
21.  INSPECTION, TESTING AND COMMISSIONING ............................................................ 191 
22.  PARTICULAR SPECIFICATIONS FOR MECHANICAL WORKS .................................... 197 
23.  PARTICULAR SPECIFICATIONS FOR ELECTRICAL WORKS ...................................... 216 
Technical Specifications a
UNDP Rosary Sisters School in Gaza Strip TECC

Detailed Table of Contents
1. GENERAL .................................................................................................................................... 1
1.1 MINIMUM TEST REQUIREMENTS & STANDARD SAMPLING METHODS ....................................... 1
2. EARTH WORKS .......................................................................................................................... 6
2.1 SCOPE OF WORK ........................................................................................................................ 6
2.2 SITE INVESTIGATION ................................................................................................................. 6
2.3 MATERIALS ............................................................................................................................... 6
2.3.1 Backfill and Fill ................................................................................................................... 6
2.3.2 Water ................................................................................................................................... 6
2.3.3 Concrete ............................................................................................................................... 6
2.3.4 Sand Fill .............................................................................................................................. 6
2.4 SITE PREPARATION .................................................................................................................... 6
2.4.1 Existing Utilities .................................................................................................................. 6
2.4.2 Removal of Existing Structures and Other Obstructions ..................................................... 7
2.4.3 Cleaning and Grubbing ....................................................................................................... 7
2.5 SETTING-OUT ............................................................................................................................ 7
2.6 EXCAVATION ............................................................................................................................. 8
2.6.1 Keeping Excavations Free from Water ................................................................................ 8
2.6.2 Storing of Suitable Excavated Material ............................................................................... 8
2.6.3 Disposal of Unsuitable and Surplus Excavated Material .................................................... 8
2.7 CUTTING PAVEMENT AND SURFACE MATERIALS ...................................................................... 8
2.8 SHEETING, SHORING AND BRACING........................................................................................... 8
2.9 TRENCH EXCAVATION ............................................................................................................... 9
2.9.1 General Requirements ......................................................................................................... 9
2.9.2 Mechanical Excavation ....................................................................................................... 9
2.9.3 Alignment and Minimum Cover ........................................................................................... 9
2.10 DEPTH OF TRENCH .................................................................................................................... 9
2.11 WIDTH OF TRENCH .................................................................................................................. 10
2.12 EXCAVATION CONCRETE VALVE CHAMBERS .......................................................................... 10
2.13 UNAUTHORIZED EXCAVATION ................................................................................................ 10
2.14 ELIMINATION OF UNSUITABLE MATERIAL ............................................................................... 10
2.15 DISPOSAL OF SURPLUS EXCAVATION MATERIALS ................................................................... 10
2.16 BRIDGING TRENCHES .............................................................................................................. 10
2.17 BACKFILLING .......................................................................................................................... 10
2.18 FILLED AND BACKFILL UNDER STRUCTURES .......................................................................... 11
2.19 THE ENGINEERED FILL MATERIALS (BASE COARSE) ............................................................... 11
2.19.1 Aggregate for Base Courses ......................................................................................... 11
2.19.2 Measurement & Payment .............................................................................................. 12
2.20 EQUIPMENT ............................................................................................................................. 12
2.20.1 Construction of Trial Sections ...................................................................................... 12
2.21 CONSTRUCTION ....................................................................................................................... 13
2.21.1 Stockpiling of Granular Material ................................................................................. 13
2.21.2 Mixing and Spreading ................................................................................................... 13
2.21.3 Compaction ................................................................................................................... 13
2.21.4 Tolerances ..................................................................................................................... 14
2.22 BACKFILLING AGAINST AND AROUND STRUCTURES ............................................................... 14
2.23 BACKFILLING PIPE TRENCHES ................................................................................................. 14
2.23.1 Materials ....................................................................................................................... 15
2.23.2 Zone around Pipe .......................................................................................................... 15
2.23.3 Remainder of Trench ..................................................................................................... 15
2.23.4 Tamping ........................................................................................................................ 15
2.23.5 Miscellaneous Requirements ......................................................................................... 15
2.24 EMBANKMENT ......................................................................................................................... 15
2.24.1 Placement of Embankment ............................................................................................ 15
2.24.2 Compaction and Density Requirements ........................................................................ 16
2.24.3 Gradation Requirements ............................................................................................... 16
Technical Specifications b
UNDP Rosary Sisters School in Gaza Strip TECC

2.24.4 Rock fill ......................................................................................................................... 16
2.24.5 Measurement and Payment ........................................................................................... 17
2.24.6 Relevant Tests and Standards ....................................................................................... 17
2.25 SUB-GRADE PREPARATION ..................................................................................................... 17
2.25.1 Description .................................................................................................................... 18
2.25.2 Construction .................................................................................................................. 18
2.25.3 Measurement ................................................................................................................. 18
2.25.4 Payment ........................................................................................................................ 18
2.25.5 Relevant Tests and Standards ....................................................................................... 18
2.26 GRANULAR SUB-BASE ............................................................................................................ 18
2.26.1 Description .................................................................................................................... 18
2.26.2 Materials ....................................................................................................................... 18
2.26.3 Construction .................................................................................................................. 18
2.26.4 Measurement ................................................................................................................. 19
2.26.5 Payment ........................................................................................................................ 19
2.26.6 Relevant Test and Standards ......................................................................................... 19
2.27 AGGREGATE ROAD BASE ........................................................................................................ 19
2.27.1 Description .................................................................................................................... 19
2.27.2 Materials ....................................................................................................................... 20
2.27.3 Construction .................................................................................................................. 20
2.27.4 Measurement ................................................................................................................. 20
2.27.5 Payment ........................................................................................................................ 20
2.27.6 Relevant Test & Standards ............................................................................................ 20
2.28 WIT-MATCH MACADAM ROAD BASE ...................................................................................... 21
2.28.1 Description .................................................................................................................... 21
2.28.2 Materials ....................................................................................................................... 21
2.28.3 Construction .................................................................................................................. 21
2.28.4 Measurement ................................................................................................................. 22
2.28.5 Payment ........................................................................................................................ 22
2.28.6 Payment will be made under:........................................................................................ 22
2.28.7 Relevant and Standards ................................................................................................ 23
2.29 DIKES OF GUIDING DAMS ........................................................................................................ 23
2.29.1 Description .................................................................................................................... 23
2.29.2 Construction .................................................................................................................. 23
2.29.3 Measurement ................................................................................................................. 23
2.29.4 Payment ........................................................................................................................ 24
2.30 IRISH CROSSING ...................................................................................................................... 24
2.30.1 Description .................................................................................................................... 24
2.31 GABIONS ................................................................................................................................. 24
2.31.1 Description .................................................................................................................... 24
2.31.2 Reinforcement and Front Face ..................................................................................... 24
2.31.3 Galvanization and Plastic Coating ............................................................................... 24
2.31.4 Materials ....................................................................................................................... 25
2.31.5 Construction .................................................................................................................. 26
2.31.6 Measurement ................................................................................................................. 26
2.31.7 Payment ........................................................................................................................ 26
2.32 GEOTEXTILE FABRIC ............................................................................................................... 26
2.32.1 General ......................................................................................................................... 26
2.32.2 Approved Manufacturers .............................................................................................. 26
2.32.3 Materials ....................................................................................................................... 27
2.32.3.1. Geotextile Fabrics ................................................................................................................... 27
2.32.3.2. Needle Punch Process ............................................................................................................. 27
2.32.4 Installation .................................................................................................................... 27
2.32.5 Payment ........................................................................................................................ 27
2.33 PILE FILTERS ........................................................................................................................... 28
2.34 BROKEN STONE RIPRAP ........................................................................................................... 28
2.34.1 Materials ....................................................................................................................... 28
2.34.2 Construction .................................................................................................................. 29
2.34.3 Measurement & Payment .............................................................................................. 30
Technical Specifications c
UNDP Rosary Sisters School in Gaza Strip TECC

2.35 EXCAVATION & BACKFILLING OF ALL SERVICE LINES TRENCHES OTHER THAN DRAINAGE,
SEWERAGE & WATER SUPPLY ............................................................................................................... 30
2.35.1. Excavation & Preparation of Tender Formation .......................................................... 30
2.35.2. Protection of Existing Services ..................................................................................... 30
2.35.3. Backfilling of Trenches ................................................................................................. 31
3. CONCRETE WORKS ................................................................................................................ 32
3.1 QUALITY OF CONCRETE .......................................................................................................... 32
3.2 ACTION TO BE TAKEN IN THE EVENT OF NON-COMPLIANCE WITH THE TESTING PLAN ............ 32
3.3 AIR CONTENT OF FRESH CONCRETE ........................................................................................ 32
3.4 ADDITIONAL TESTS ON CONCRETE FOR SPECIAL PURPOSES .................................................... 32
3.5 METHOD STATEMENT .............................................................................................................. 33
3.5.1. Concrete method statement ................................................................................................ 33
3.6 QUALITY ASSURANCE & QUALITY CONTROL. .......................................................................... 33
3.7 STEEL REINFORCEMENT METHOD STATEMENT ....................................................................... 34
3.8 QUALITY ASSURANCE & QUALITY CONTROL ........................................................................... 34
3.9 CONCRETE WORKS SPECIFICATIONS ....................................................................................... 34
3.9.1. Description ........................................................................................................................ 34
3.9.2. Materials ............................................................................................................................ 34
3.9.3. Ratio of Water loss ............................................................................................................. 36
3.9.4. Samples of Aggregates ....................................................................................................... 36
3.9.5. Water ................................................................................................................................. 36
3.9.6. Water/Cement Ratio ........................................................................................................... 36
3.9.7. Trial Mixes ......................................................................................................................... 36
3.9.8. Cement ............................................................................................................................... 36
3.9.9. Cement content. ................................................................................................................. 37
3.9.10. Admixtures .................................................................................................................... 37
3.9.11. Measurement of Ingredients.......................................................................................... 37
3.9.12. Mixing Concrete ............................................................................................................ 38
3.9.13. Re-mixing ...................................................................................................................... 38
3.9.14. Concrete Testing - Preliminary ..................................................................................... 38
3.9.15. Concrete Testing - Works .............................................................................................. 38
3.9.16. Testing plan ................................................................................................................... 38
3.9.17. Concrete Testing - Workability ..................................................................................... 39
3.9.18. Frequency of Testing ..................................................................................................... 39
3.9.19. Transporting Concrete .................................................................................................. 39
3.9.20. General Requirements for Placing Concrete ................................................................ 39
3.9.21. Tamping For Compacting Concrete ............................................................................. 40
3.9.22. Vibrating For Compacting Concrete ............................................................................ 40
3.9.23. Curing of Concrete ....................................................................................................... 40
3.9.24. Intervals During Concreting ......................................................................................... 40
3.9.25. Construction Joint ......................................................................................................... 40
3.9.26. Jointing Fresh to Set Concrete ...................................................................................... 40
3.9.27. Expansion Joints ........................................................................................................... 40
3.9.28. Inspection of Concrete .................................................................................................. 41
3.9.29. Faulty Concrete Work ................................................................................................... 41
3.9.30. Repairs to Concrete ...................................................................................................... 41
3.9.31. Supervision of Concrete Work ...................................................................................... 41
3.9.32. Finishing of Concrete ................................................................................................... 41
3.10 REINFORCEMENT ..................................................................................................................... 42
3.11 MINIMUM COVER .................................................................................................................... 42
3.11.1. Reinforcement Position for water tank ......................................................................... 42
3.11.2. Reinforcement position for other elements ................................................................... 42
3.12 FORM WORK ............................................................................................................................ 42
3.13 PNEUMATICALLY APPLIED MORTAR ........................................................................................ 42
3.13.1 General ......................................................................................................................... 42
3.13.2 Materials and proportions of mix ................................................................................. 42
3.13.3 Mixing and placing ....................................................................................................... 43
3.13.4 Curing ........................................................................................................................... 43
Technical Specifications d
UNDP Rosary Sisters School in Gaza Strip TECC

3.14 JOINTS AND JOINTING MATERIALS .......................................................................................... 43
3.14.1 Classification ................................................................................................................ 43
3.14.2 General ......................................................................................................................... 43
3.14.3 Joint Fillers ................................................................................................................... 43
3.14.4 Water Stops ................................................................................................................... 44
3.15 PRECAST CONCRETE CURBS, EDGINGS & QUADRANTS ........................................................... 44
3.16 MEASUREMENT AND PAYMENT ............................................................................................... 45
3.17 CULVERTS ............................................................................................................................... 45
3.17.1. Description .................................................................................................................... 45
3.17.2. Materials ....................................................................................................................... 45
3.17.3. Construction .................................................................................................................. 45
3.17.3.1 Camber ................................................................................................................................... 45
3.17.3.2 Jointing ................................................................................................................................... 45
3.17.3.3 Backfilling .............................................................................................................................. 46
3.17.3.4 Measurement & Payment ........................................................................................................ 46
4. MASONRY WORKS ................................................................................................................... 47
4.1 MANUFACTURE ....................................................................................................................... 47
4.1.1 Generally ........................................................................................................................... 47
4.1.2 Mixing Table ...................................................................................................................... 47
4.1.3 Table Of Grading ............................................................................................................... 47
4.2 MORTARS ................................................................................................................................ 48
4.2.1 Mixing Table ...................................................................................................................... 48
4.2.2 Table of Grading ............................................................................................................... 48
4.3 CONSTRUCTION ....................................................................................................................... 48
4.4 DAMP-PROOF COURSE ............................................................................................................. 49
4.5 MEASUREMENT AND PAYMENT ............................................................................................... 49
5. NATURAL STONE WORKS ..................................................................................................... 50
5.1 SAMPLES ................................................................................................................................. 50
5.2 REFERENCES ............................................................................................................................ 50
5.3 MOCK UP .............................................................................................................................. 50
5.4 PRODUCTS ........................................................................................................................... 51
5.5 MORTAR MATERIALS AND ACCESSORIES ................................................................... 53
5.6 STONE ANCHORAGE – MATERIALS ............................................................................... 53
5.7 EXECUTION ......................................................................................................................... 54
6. PAVIOUR ................................................................................................................................... 57
6.1 MATERIALS ............................................................................................................................. 57
6.2 MIXING ................................................................................................................................... 57
6.3 PROPORTIONS .......................................................................................................................... 57
6.4 GRANOLITHIC PAVING ............................................................................................................. 57
6.5 CEMENT AND SAND PAVING ..................................................................................................... 58
6.6 CEMENT AND SAND TILES ....................................................................................................... 58
6.7 TERRAZZO TILES ..................................................................................................................... 58
6.8 MARBLE PAVING ..................................................................................................................... 59
6.9 MARBLE LININGS .................................................................................................................... 59
6.10 TILES (SIDE WALKS TYPE) ...................................................................................................... 59
6.11 CONCRETE BLOCK SURFACING ............................................................................................... 60
6.11.1 Form of Construction .................................................................................................... 60
6.11.2 Sub grade ...................................................................................................................... 60
6.11.3 Base ............................................................................................................................... 60
6.11.4 Laying Course ............................................................................................................... 60
6.11.5 Surface Course .............................................................................................................. 60
6.11.6 Cement .......................................................................................................................... 60
6.11.7 Admixtures .................................................................................................................... 60
6.11.8 Aggregate Generally ..................................................................................................... 60
6.11.9 Aggregate Testing ......................................................................................................... 61
6.11.10 Aggregate Reactivity Potential ..................................................................................... 61
Technical Specifications e
UNDP Rosary Sisters School in Gaza Strip TECC

6.11.11 Dust ............................................................................................................................... 61
6.11.12 Fine Aggregate .............................................................................................................. 61
6.11.13 Coarse Aggregate ......................................................................................................... 61
6.11.14 Water ............................................................................................................................. 61
6.11.15 Chloride Content ........................................................................................................... 62
6.11.16 Sulphates Content ......................................................................................................... 62
6.11.17 Concrete Mix ................................................................................................................. 62
6.11.18 Sampling Blocks ............................................................................................................ 62
6.11.19 Compressive Strength ................................................................................................... 62
6.11.20 Test for Compressive Strength ...................................................................................... 62
6.11.21 Test for Dimensional Accuracy ..................................................................................... 63
6.11.22 Water Absorption .......................................................................................................... 63
6.11.23 Colour ........................................................................................................................... 63
6.11.24 Laying the Blocks .......................................................................................................... 63
6.11.25 Edge Details .................................................................................................................. 63
6.11.26 Compaction by Vibration .............................................................................................. 64
6.11.27 Filling Joints ................................................................................................................. 64
6.11.28 Laying Tolerance .......................................................................................................... 64
6.12 TILES TESTING ........................................................................................................................ 64
6.13 TILES AND CLADDING ............................................................................................................. 64
6.14 CONCRETE BLOCK PAVING (INTERLOCKING TILES) ................................................................ 65
6.14.1 Form of Constructions .................................................................................................. 65
6.14.2 Test Standards ............................................................................................................... 65
6.14.3 Sub grade ...................................................................................................................... 65
6.14.4 Sub-Base Materials ....................................................................................................... 65
6.15 BASE MATERIALS .................................................................................................................... 65
6.15.1. Laying Compaction of and Testing Sub-Base ............................................................... 66
6.15.2. Surface Course .............................................................................................................. 66
6.15.3. Fine Aggregate .............................................................................................................. 66
6.15.4. Coarse Aggregate ......................................................................................................... 66
6.15.5. Sampling and Testing .................................................................................................... 66
6.15.6. Test for Compressive Strength ...................................................................................... 66
6.15.7. Water Absorption .......................................................................................................... 66
6.15.8. Colour ........................................................................................................................... 66
6.15.9. Block Laying ................................................................................................................. 67
6.15.10. Edge Details .................................................................................................................. 67
6.15.11. Compaction by Vibration .............................................................................................. 67
6.15.12. Filling Joints ................................................................................................................. 67
6.15.13. Laying Tolerance .......................................................................................................... 67
6.16 PROTECTION ............................................................................................................................ 67
6.17 PAYMENT ................................................................................................................................ 67
7. ROOFER AND CORROSION PROTECTION MATERIAL ................................................... 68
7.1 GENERAL ................................................................................................................................. 68
7.1.1. Corrugated Steel Roofs ...................................................................................................... 68
7.1.2. Asbestos Cement Roofing .................................................................................................. 68
7.1.3. Flat Roofs .......................................................................................................................... 68
7.1.4. Generally ........................................................................................................................... 70
7.2 INSULATION............................................................................................................................. 70
7.2.1 Polystyrene Rigid Foam Boards ........................................................................................ 71
7.2.2 2. Polyurethane Foam ....................................................................................................... 71
7.2.3 3. Rigid Mineral Wool Slab ............................................................................................... 71
7.3 SAND/CEMENT SCREED ........................................................................................................... 71
7.4 WATERPROOFING .................................................................................................................... 71
7.4.1. Two coats of Elastomeric Acrylic Paint ............................................................................. 71
7.4.2. Cold applied Waterproofing Membrane for non-Traffic Able Roofs ................................. 72
7.4.3. Traffic able Roofs .............................................................................................................. 72
7.4.4. Priming of Concrete Roof Slab Surfaces ........................................................................... 72
7.4.5. Felt Roofing ....................................................................................................................... 72
Technical Specifications f
UNDP Rosary Sisters School in Gaza Strip TECC

7.4.6. Bitumen Roofing ................................................................................................................ 73
7.4.7. Asphalt ............................................................................................................................... 73
7.4.8. Sheathing Membrane ......................................................................................................... 73
7.4.9. Concrete Passing Slabs ..................................................................................................... 73
7.4.10. Mastic Sealant ............................................................................................................... 73
7.4.11. Expansion Joints ........................................................................................................... 73
7.5 ROOF FINISHES TYPE A: (NON-TRAFFICABLE ROOFS) ............................................................. 73
7.6 ROOF FINISHES TYPE B: (NON-TRAFFICABLE ROOFS) ............................................................. 73
7.7 ROOF FINISHES TYPE C: (NON-TRAFFICABLE ROOFS) ............................................................. 73
7.8 ROOF FINISHES TYPE D: (TRAFFICABLE ROOFS) ..................................................................... 74
7.9 FIELD QUALITY CONTROL ....................................................................................................... 74
7.10 PROTECTION AND CLEANING .................................................................................................. 74
7.11 COMPLETION ........................................................................................................................... 74
8. CORROSION PROTECTION AND SURFACE COATINGS ................................................. 75
8.1 MATERIALS ............................................................................................................................. 75
8.1.1. Corrosive Environments .................................................................................................... 75
8.1.2. Paint ................................................................................................................................... 75
8.1.3. Impervious Tanking Membrane ......................................................................................... 75
8.1.4. PVC Sheet Lining Materials .............................................................................................. 75
8.1.5. Bituminous Emulsion ......................................................................................................... 75
8.1.6. Water Proof Paper ............................................................................................................. 75
8.1.7. Protective Materials for Wrapping Pipeline Components ................................................. 75
8.1.8. Approved Paint Supplies .................................................................................................... 76
8.2 INSTALLATION ......................................................................................................................... 76
8.2.1. Protection to Surface of Concrete Structures .................................................................... 76
8.2.2. Protective Coating to Metalwork ....................................................................................... 76
8.2.3. Payment ............................................................................................................................. 77
9. CARPENTRY AND JOINERY .................................................................................................. 79
9.1 TIMBER ................................................................................................................................... 79
9.2 MOISTURE CONTENT OF TIMBER ............................................................................................. 79
9.3 PLYWOOD ................................................................................................................................ 79
9.4 BLOCK BOARD ......................................................................................................................... 79
9.5 FACE VENEERS ........................................................................................................................ 80
9.6 ASBESTOS INSULATING BOARD ............................................................................................... 80
9.7 FIXINGS AND JOINTING ............................................................................................................ 80
9.8 QUALITY ASSURANCE ............................................................................................................. 80
9.9 DOORS ..................................................................................................................................... 80
9.10 WINDOWS AND SASHES ........................................................................................................... 80
9.11 HATCHES AND SHUTTERS ........................................................................................................ 81
9.12 FLY SCREENS ........................................................................................................................... 81
9.13 FRAMES ................................................................................................................................... 81
9.14 ARCHITRAVE'S, DOOR STOPS, ETC. .......................................................................................... 81
9.15 FITTINGS ................................................................................................................................. 81
9.16 SHELVING ................................................................................................................................ 81
9.17 SCRIBING ................................................................................................................................. 81
9.18 FINISH ..................................................................................................................................... 81
9.19 PROTECT JOINERY FROM DAMAGE ........................................................................................... 81
9.20 SUBMITTALS ............................................................................................................................ 81
9.21 PRODUCT DELIVERY, STORAGE AND HANDLING ..................................................................... 82
9.22 FIRE RETARDANT TREATED WOOD ......................................................................................... 82
9.23 INSPECTION ............................................................................................................................. 82
9.24 INSTALLATION ......................................................................................................................... 82
9.25 WOOD GROUNDS, NAILERS, FRAMING AND BLOCKING ........................................................... 83
9.26 STEELWORKS INCLUDING WINDOWS, LOUVERS……ETC ........................................................ 83
9.27 WOODWORK REQUIRED TO BE PAINTED ................................................................................... 83
9.28 MEASUREMENT &PAYMENT .................................................................................................... 83
10. IRONMONGERY .................................................................................................................. 84
Technical Specifications g
UNDP Rosary Sisters School in Gaza Strip TECC

10.1 GENERALLY ............................................................................................................................ 84
10.2 QUALITY ASSURANCES ........................................................................................................... 84
10.3 REFERENCES ............................................................................................................................ 84
10.4 SUBMITTALS ............................................................................................................................ 85
10.5 FINISH ..................................................................................................................................... 85
10.6 FITTING AND TESTING ............................................................................................................. 85
10.7 STANDARD IRONMONGERY FOR INTERNAL DOORS ................................................................. 85
10.8 MEASUREMENT &PAYMENT .................................................................................................... 85
11. METAL AND ALUMINIUM WORKS ................................................................................. 86
11.1 GENERALLY ............................................................................................................................ 86
11.2 PERFORMANCE REQUIREMENTS .............................................................................................. 86
11.3 SUBMITTALS ............................................................................................................................ 86
11.4 QUALITY ASSURANCE ............................................................................................................. 86
11.5 PROJECT CONDITIONS ............................................................................................................. 87
11.6 PRODUCTS ............................................................................................................................... 87
11.6.1. Materials ....................................................................................................................... 87
11.7 HARDWARE ............................................................................................................................. 87
11.7.1. Accessories .................................................................................................................... 87
11.7.2. Casement Windows ....................................................................................................... 88
11.7.3. Fabrication ................................................................................................................... 88
11.7.4. Finishes ......................................................................................................................... 88
11.8 EXECUTION ............................................................................................................................. 88
11.8.1. Inspection ...................................................................................................................... 88
11.8.2. Installation .................................................................................................................... 88
11.8.3. Adjusting ....................................................................................................................... 89
11.8.4. Cleaning ........................................................................................................................ 89
11.8.5. Protection ...................................................................................................................... 89
11.9 WINDOWS AND DOORS ............................................................................................................ 89
11.10 ALUMINIUM CURTAIN WALLING ............................................................................................. 89
11.11 STEEL DOOR AND FRAME ........................................................................................................ 90
11.11.1. Submittals ...................................................................................................................... 90
11.11.2. Quality Assurance ......................................................................................................... 90
11.11.3. Delivery, Storage And Handling ................................................................................... 90
11.11.4. Products ........................................................................................................................ 90
11.11.4.1. Manufacturers .......................................................................................................... 90
11.11.4.2. Materials .................................................................................................................. 90
11.11.4.3. Doors ........................................................................................................................ 90
11.11.4.4. FRAMES ................................................................................................................... 91
11.11.4.5. Fabrication ............................................................................................................... 92
11.11.4.6. Finishes, General ..................................................................................................... 92
11.11.4.7. Metallic-Coated Steel Finishes ................................................................................ 92
11.11.4.8. Steel Sheet Finishes .................................................................................................. 92
11.11.4.9. Execution .................................................................................................................. 93
11.12 ADJUSTING AND CLEANING .................................................................................................... 93
11.13 SUNDRIES ................................................................................................................................ 93
11.14 MEASUREMENT &PAYMENT .................................................................................................... 93
12. METAL & PLASTIC WORKS .............................................................................................. 95
12.1 STRUCTURAL STEELWORKS ..................................................................................................... 95
12.2 METAL AND PLASTIC MATERIALS ........................................................................................... 95
12.2.1 Aluminium Alloy ............................................................................................................ 95
12.2.2 Steel ............................................................................................................................... 95
12.2.3 Stainless Steel ................................................................................................................ 95
12.2.4 Reinforced Thermosetting Plastics ............................................................................... 95
12.2.5 Metal and Plastic Prefabricated Items ......................................................................... 98
12.2.5.1 Valves and Penstocks General ................................................................................................ 98
12.2.5.2 Gate Valves for Water Supply ................................................................................................ 99
12.2.5.3 Gate Valves for Sewage and Related Fluids ........................................................................... 99
Technical Specifications h
UNDP Rosary Sisters School in Gaza Strip TECC

12.2.5.4 Air valves ................................................................................................................................ 99
12.2.5.5 Pressure Reducing Valves ...................................................................................................... 99
12.2.5.6 Inlet Float Valves .................................................................................................................... 99
12.2.5.7 Metal Flap Valves ................................................................................................................... 99
12.2.5.8 Plastic Faced Flap Valves ....................................................................................................... 99
12.2.5.9 Metal Penstocks .................................................................................................................... 100
12.2.5.10 Plastic Faced Penstocks ........................................................................................................ 100
12.2.5.11 Reinforced Plastic Liners for Pumping Stations and Manholes ............................................ 100
12.2.5.12 Access Covers and Frames ................................................................................................... 100
12.2.5.13 Reinforced Plastic Sealing Plates to Access Covers ............................................................. 101
12.2.5.14 Underground Hydrants and Covers....................................................................................... 101
12.2.5.15 Ladders and Safety Hoops .................................................................................................... 101
12.2.5.16 Road Gully Gratings ............................................................................................................. 102
12.2.5.17 Open Mesh and Chequer Plate Flooring ............................................................................... 102
12.2.5.18 Galvanized Steel Guard railing ............................................................................................. 102
12.2.5.19 Aluminium Guard railing ...................................................................................................... 102
12.2.5.20 Safety Chains and Fittings .................................................................................................... 102
12.2.5.21 Nuts, Screws, Washers and Bolts.......................................................................................... 102
12.2.5.22 Fixing Bolts etc. and Building-in Material ........................................................................... 103
12.2.5.23 Step Irons .............................................................................................................................. 103
12.2.5.24 Travelling Cranes, Jibs, Runway Beams .............................................................................. 103
12.2.5.25 Hand Blocks ......................................................................................................................... 103
12.2.5.26 Chain Link Fencing .............................................................................................................. 103
12.2.5.27 Plastic Weir Plates ................................................................................................................ 103
12.2.5.28 Fabric Filter Membrane ........................................................................................................ 103
12.2.5.29 Stainless Steel Clamping Systems ........................................................................................ 104
12.2.6 Installation of Metal and Plastic Items ....................................................................... 104
11.2.6.1 Installation of Access Covers................................................................................................ 104
11.2.6.2 Fixing Metalwork and Machinery ........................................................................................ 104
11.2.6.3 Reinforced Plastic Liners for Concrete Protection ................................................................ 104
11.2.6.4 Cutting and Sealing of Reinforced Plastic ............................................................................ 105
11.2.6.5 Installation of Penstocks ....................................................................................................... 105
11.2.6.6 Installation of Stainless Steel Clamping Systems ................................................................. 105
12.3 MEASUREMENT &PAYMENT .................................................................................................. 105
13. PLUMBING AND SANITARY WARE .............................................................................. 106
13.1 GENERALLY .......................................................................................................................... 106
13.2 EXTERNAL PLUMBING ........................................................................................................... 106
13.2.1 Gutters ........................................................................................................................ 106
13.2.2 Flashings ..................................................................................................................... 106
13.2.3 Jointing ....................................................................................................................... 106
13.2.4 Fixing .......................................................................................................................... 106
13.2.5 Pipe work .................................................................................................................... 107
13.3 PIPES AND FITTINGS .............................................................................................................. 108
13.3.1 Underground Services ................................................................................................ 108
13.4 JOINTING ............................................................................................................................... 108
13.5 BRASS WORK ......................................................................................................................... 109
13.6 STORAGE TANKS ................................................................................................................... 109
13.7 SANITARY FITTINGS .............................................................................................................. 109
13.8 SUNDRIES .............................................................................................................................. 110
13.9 ELECTRIC HOT WATER HEATERS .......................................................................................... 110
13.10 PIPES ..................................................................................................................................... 110
13.11 MANHOLES ............................................................................................................................ 111
13.12 PIPE LAYING TOLERANCES .................................................................................................... 111
13.13 MANHOLE STEPS ................................................................................................................... 111
13.14 CONNECTION TO AN EXISTING SYSTEM ................................................................................. 111
13.14.1 Scope ........................................................................................................................... 111
13.14.2 Safety Regulations ....................................................................................................... 111
13.15 BUILDER'S WORK .................................................................................................................. 112
13.16 TESTING ................................................................................................................................ 112
13.17 CLEANING ............................................................................................................................. 112
13.18 RECOMMENDATIONS ............................................................................................................. 112
Technical Specifications i