ENGINEERING GROUP MATERIALS & WORKMANSHIP …

1 ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 1 Sep 2020 ENGINEERING GROUP MATERIALS & WORKMANSHIP SPECIFICATION FOR CIVIL & STRUCTURAL WORKS E/GD/09/104/A2 Controlled Document A2 Sep 2020 Novilia Silman SM Goh Kok Hun DCDL Neo Bian Hong DyGDIDE(ISP) Choo Chai Foong GDIDE This M&W Specs has been updated for Civil and Structural Works chapters only. M&E chapters shall be referred to M&W rev A1 and subsequent versions of M&W for M&E works. - Amendments to Chapter 1-17 and 19 - M&E chapters 18, 20, 21, 23, 24, 25 and 26 are transferred to M&W for M&E. - Amendments to Turfing and Planting (Chapter 28) and renamed to Chapter 18 A1 Jun 2010 Chua Swee Foon AgDyM Wen Dazhi DDCDE Neo Bian Hong D(Desg) Paul Fok GDE Addition of clauses , , & Reference renamed from PED/DD/K9/104/A9.

2 Issue Date Prepared By Vetted By Approved By Approved for Implementation Description of Revision ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 2 Sep 2020 C O N T E N T S Chapter 1 GENERAL Chapter 2 DEMOLITION, SITE CLEARANCE AND HOARDING Chapter 3 SURVEY AND SETTING OUT Chapter 4 EARTHWORKS Chapter 5 PILING Chapter 6 DIAPHRAGM WALL CONSTRUCTION Chapter 7 SOIL IMPROVEMENT WORKS Chapter 8 TEMPORARY WORKS Chapter 9 INSTRUMENTATION AND MONITORING Chapter 10 ROADWORKS Chapter 11 CONCRETE AND REINFORCEMENT BARS Chapter 12 STRUCTURAL STEELWORKS Chapter 13 ABOVE-GROUND STRUCTURES Chapter 14 WATERPROOFING FOR STRUCTURES Chapter 15 BEARINGS AND MOVEMENT JOINTS Chapter 16 BORED TUNNELS AND RELATED WORKS Chapter 17 MINED TUNNEL AND SPRAYED CONCRETE LININGS Chapter 18 TURFING AND PLANTING Chapter 19 DRAINAGE WORKS ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works

3 MW / 0 / 3 Sep 2020 CHAPTER 1 GENERAL GENERAL STANDARDS AND CODES OF PRACTICE TRADE NAMES SAMPLES OF MATERIALS AND WORKMANSHIP INSPECTION AND TESTING SITE RECORDS ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 4 Sep 2020 CHAPTER 2 DEMOLITION, SITE CLEARANCE AND HOARDING GENERAL SITE HOARDING DEMOLITION MANAGEMENT OF WORKMEN MOVEMENT TREES, BUSHES, HEDGES, ETC. TURF AND TOPSOIL DUMPING OF DEBRIS, ETC. ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 5 Sep 2020 CHAPTER 3 SURVEY AND SETTING OUT GENERAL SURVEY CONTROL GENERAL SETTING OUT TUNNEL SHIELD PRE-LAUNCH SURVEY TUNNEL SURVEY DURING CONSTRUCTION WRIGGLE SURVEY MONITORING SURVEYS ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 6 Sep 2020 CHAPTER 4 EARTHWORKS GENERAL CLASSIFICATION OF EARTHWORK MATERIAL EARTHWORK GENERAL EXCAVATION GENERAL CUTTINGS AND CUT SLOPES REMOVAL OF ROCKS AND OTHER BLASTING EXCAVATION OF PITS AND TRENCHES BACKFILLING OF PITS AND TRENCHES FILLING GENERAL FOUNDATION FOR FILLS

4 EMBANKMENTS AND FILL SLOPES COMPACTION OF FILL FILL ADJACENT TO BRIDGE ABUTMENTS, CULVERTS, RETAINING WALLS AND UNDERGROUND STRUCTURES PREPARATION OF RAIL TRACK FORMATION SURFACE PREPARATION FOR CULTIVATION WITH SPOT AND CLOSE TURFING GEOTEXTILE ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 7 Sep 2020 CHAPTER 5 PILING GENERAL REQUIREMENTS FOR PILING WORK REQUIREMENTS FOR REINFORCED CONCRETE IN PILES BORED CAST IN-SITU PILES DRIVEN PILES STEEL PILES BAKAU PILING (INDIGENOUS TIMBER PILES) PILE LOAD TESTING INTEGRITY TESTS APPENDIX APPENDIX ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 8 Sep 2020 CHAPTER 6 DIAPHRAGM WALL CONSTRUCTION GENERAL METHOD STATEMENT TRENCH AND GUIDEWALL STABILITY LEVELS OF WORK TOLERANCES HEADROOM REINFORCEMENT WELDING OF REINFORCEMENT CONCRETE BENTONITE TESTING BENTONITE SLURRY STORAGE OF BENTONITE ALTERNATIVE MATERIALS TREMIE CONCRETE TEST CUBES BACKFILLING STOP ENDS INSERTS MONITORING SAFETY AND EMERGENCY PROCEDURES SITE CLEANLINESS ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 9 Sep

5 2020 CHAPTER 6 DIAPHRAGM WALL CONSTRUCTION (Cont d) OBSTRUCTIONS DISPOSAL OF SPOIL JOINTS CLEANING RECORDS DISPOSAL OF SLURRY CUTTING DOWN OF DIAPHRAGM WALLS TRENCH EXCAVATION VERTICALITY CHECK ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 10 Sep 2020 CHAPTER 7 SOIL IMPROVEMENT WORKS GENERAL SOIL IMPROVEMENT USING PREFABRICATED DRAINS SOIL IMPROVEMENT USING JET GROUTING DEEP SOIL MIXING (DSM) LIME OR CHEMICO-LIME PILES ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 11 Sep 2020 CHAPTER 8 TEMPORARY WORKS GENERAL DESIGN AND SUPERVISION OF TEMPORARY WORKS FALSEWORK AND FORMWORK SCAFFOLDING AND STAGING TEMPORARY ROAD DECKING GROUND ANCHORS/ SOIL NAIL SHEET PILING STRUTS & WALINGS DEWATERING REMOVAL OF TEMPORARY WORKS ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 12 Sep 2020 CHAPTER 9 INSTRUMENTATION AND MONITORING OBJECTIVES SUBMISSIONS INSTRUMENTATION PERSONNEL AND RESOURCES INSTRUMENTS AND MONITORING SYSTEMS INSTALLATION AND MAINTENANCE OF

6 INSTRUMENTS INSTRUMENT READING AND RECORDS RECORDING EQUIPMENT AND ANCILLARIES SETTLEMENT POINTS DEEP LEVELLING DATUMS ELECTROLEVEL BEAMS/ MICRO-ELECTRO-MECHANICAL-SENSOR BEAMS PORTABLE TILTMETER INCLINOMETERS MAGNETIC EXTENSOMETERS ROD EXTENSOMETERS TAPE EXTENSOMETER VIBRATING WIRE PIEZOMETERS CASAGRANDE PIEZOMETER STANDPIPE WATER STANDPIPES VIBRATION METER TEMPERATURE SENSOR STRAIN GAUGE LOAD CELL ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 13 Sep 2020 CHAPTER 9 INSTRUMENTATION AND MONITORING (Cont d) TELL-TALES OPTICAL PLUMBING AUTOMATICALLY LOGGED INSTRUMENTS FIELD DATA BOREHOLE INSTALLATION RECORDS AND REPORTING APPENDIX APPENDIX ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 14 Sep 2020 CHAPTER 10 ROADWORKS GENERAL EARTHWORKS FLEXIBLE PAVEMENTS RIGID PAVEMENT PAVEMENT MARKINGS ROAD AND RELATED FACILITIES CONSTRUCTION FOOTPATH EXPANSION JOINT FILLER RETROREFLECTIVE SHEETING RAISED PAVEMENT MARKERS PRECAST CONCRETE KERBS AND DIVIDERS SIGN DATING STICKER ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 15 Sep 2020 CHAPTER 11 CONCRETE AND

7 REINFORCEMENT CONCRETE MIX CONSTITUENT MATERIALS OF CONCRETE REQUIREMENTS FOR APPROVED DESIGNED MIX REQUIREMENTS FOR FRESH CONCRETE REQUIREMENTS FOR HARDENED CONCRETE PRODUCTION OF CONCRETE CONTROL OF STRENGTH OF DESIGNED MIXES TESTING AND SAMPLING OF FRESH CONCRETE SURFACE FINISH OF CONCRETE CONSTRUCTION OF CONCRETE CONCRETING OF THICK SECTIONS FORMWORK REMOVAL OF FORMWORK TRANSPORTING, PLACING AND COMPACTING OF CONCRETE CURING OF CONCRETE REPAIR OF CRACKS IN REINFORCED CONCRETE PRECAST CONCRETE CONSTRUCTION REINFORCEMENT BARS TESTS ON HARDENED CONCRETE PRESTRESSING TENDONS GROUTING OF PRESTRESSING TENDONS ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 16 Sep 2020 CHAPTER 11 CONCRETE AND REINFORCEMENT (Cont d)

8 SILICA FUME CONCRETE SELF COMPACTING CONCRETE ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 17 Sep 2020 CHAPTER 12 STRUCTURAL STEELWORKS GENERAL DELIVERY INSPECTION AND TESTING FABRICATION ASSEMBLY AND ERECTION WELDING BOLTING PROTECTION AGAINST CORROSION ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 18 Sep 2020 CHAPTER 13 ABOVE-GROUND STRUCTURES GENERAL TRIAL SECTIONS WATERPROOFING/ INSULATION SYSTEMS DECK DRAINAGE SYSTEM PARAPETS AND RAILINGS PRECAST DECK FURNITURE FOR RTS VIADUCTS LAUNCHING OF PRECAST ELEMENTS PRECAST SEGMENTAL CONSTRUCTION ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 19 Sep 2020 CHAPTER 14 WATERPROOFING FOR STRUCTURES GENERAL WATERPROOFING TO BASE SLABS OF UNDERGROUND STRUCTURES WATERPROOFING TO WALLS OF UNDERGROUND STRUCTURES WATERPROOFING TO ROOFS OF UNDERGROUND STRUCTURES WATERPROOFING TO SURFACE AND PARTIALLY UNDERGROUND STRUCTURES STRUCTURAL CONCRETE WORKS WARRANTY APPENDIX ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 20 Sep 2020 CHAPTER 15 BEARINGS AND MOVEMENT JOINTS GENERAL BEARINGS MOVEMENT JOINTS APPENDIX ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil &

9 Structural Works MW / 0 / 21 Sep 2020 CHAPTER 16 BORED TUNNELS AND RELATED WORKS GROUNDWATER LEAKAGE PRODUCTION AND INSTALLATION OF SEGMENTAL LINING FIXTURES AND COATINGS FOR SEGMENTAL LINING APPENDIX APPENDIX ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 22 Sep 2020 CHAPTER 17 MINED TUNNELS AND SPRAYED CONCRETE LINING GENERAL EXCAVATION SHOTCRETE OTHER TEMPORARY SUPPORT CAST IN-SITU CONCRETE LININGS WATERPROOFING SYSTEM SPRAY APPLIED WATERPROOFING ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 23 Sep 2020 CHAPTER 18 TURFING AND PLANTING GENERAL TOPSOIL PLANTING MAINTENANCE PLANTER BOXES INSPECTION AND ACCEPTANCE OF WORKS ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 24 Sep 2020 CHAPTER 19 DRAINAGE WORKS GENERAL DRAINAGE WORKS FOR BELOW GROUND STRUCTURES DRAINAGE WORKS APPLIANCES AND FITTINGS SURFACE DRAINAGE WORKS CONSTRUCTION EXCAVATION FOUNDATION BACKFILLING TESTING ENGINEERING GROUP Document E/GD/09/104/A2 M&W for Civil & Structural Works MW / 0 / 25 Sep 2020 MATERIALS AND WORKMANSHIP SPECIFICATION for Civil &Structural Works (C&S) INTRODUCTION The M&W Specifications (C&S)

10 Which follows shall be treated as one of the Contract Documents and forms a part of the Authority s Requirements. The Contractor shall comply fully with the minimum requirements specified in th