TECHNICAL SPECIFICATIONS Contents 1. PRELIMINARIES .................................................................................................................................... 4 1.1 STANDARD AND CODES ............................................................................................................................ 4 1.2 DRAWINGS AND SPECIFICATIONS ................................................................................................................ 4 1.3 TRANSPORTATION TO THE SITE ................................................................................................................... 4 1.4 SCHEDULE AND EXECUTION PLAN ............................................................................................................... 4 1.5 REPAIRING AND CORRECTION .................................................................................................................... 4 1.6 WORKMANSHIP AND MATERIALS ................................................................................................................ 4 1.7 OBVIOUS WORK ..................................................................................................................................... 5 1.8 PROTECTION ......................................................................................................................................... 5 1.9 SCAFFOLDING ......................................................................................................................................... 5 1.10 CONSTRUCTION MACHINERY, PLANTS AND EQUIPMENT’S ................................................................................ 5 1.11 SAMPLES ............................................................................................................................................... 5 1.12 ORDERING MATERIALS ............................................................................................................................. 6 1.13 WATER AND ELECTRICITY FOR THE WORKS ................................................................................................... 6 1.14 SITE OFFICES FOR CONTRACTOR ................................................................................................................. 6 1.15 CONTRACTOR’S SITE AREA ........................................................................................................................ 7 1.16 PROGRESS MEETINGS .............................................................................................................................. 7 1.17 PROGRESS PHOTOGRAPHS ........................................................................................................................ 7 1.18 SETTING OUT ......................................................................................................................................... 7 1.19 BILLBOARDS ........................................................................................................................................... 8 1.20 LOADING IN EXCESS OF DESIGN LOAD .......................................................................................................... 8 1.21 BUILDING PERMIT ................................................................................................................................... 8 1.22 PERMANENT DRAINAGE, ELECTRICITY AND WATER CONNECTION ....................................................................... 8 1.23 HANDING OVER ...................................................................................................................................... 8 2. SITE WORKS .............................................................................................................................................. 9 2.1 DEMOLITION .......................................................................................................................................... 9 2.2 SITE CLEARANCE ................................................................................................................................... 10 2.2 EXCAVATION ........................................................................................................................................ 10 2.3 DE‐WATERING ...................................................................................................................................... 11 2.4 BACKFILL ............................................................................................................................................. 12 3. CONCRETE WORKS .................................................................................................................................. 13 3.1 GENERAL............................................................................................................................................. 13 3.2 CEMENT ............................................................................................................................................. 13 3.3 AGGREGATE ......................................................................................................................................... 13 3.4 WATER ............................................................................................................................................... 15 3.5 HANDLING AND STORAGE OF MATERIAL ..................................................................................................... 15 3.6 MIX PROPORTION AND STRENGTH ............................................................................................................ 15 3.7 PRODUCTION OF CONCRETE .................................................................................................................... 16 3.8 TRANSPORTING AND PLACING .................................................................................................................. 17 3.9 CONCRETE CURING ................................................................................................................................ 18 3.10 TEST .................................................................................................................................................. 18 3.11 CONCRETE ........................................................................................................................................... 18 3.12 DEFECTIVE CONCRETE AND FINISHES ......................................................................................................... 19 4. CONCRETE FORMWORK .......................................................................................................................... 19 4.1 STRUCTURE AND MATERIAL ..................................................................................................................... 19 4.2 PERFORMANCE ..................................................................................................................................... 20 1 5. STEEL REINFORCEMENT .......................................................................................................................... 23 5.1 MATERIAL ........................................................................................................................................... 23 5.2 CLEANING ........................................................................................................................................... 23 5.3 BENDING AND LAPS ............................................................................................................................... 23 5.4 REINFORCEMENT COVER ......................................................................................................................... 23 5.5 PLACING ............................................................................................................................................. 23 6. WATER PROOFING .................................................................................................................................. 24 6.1 DESCRIPTION OF WORK .......................................................................................................................... 24 6.2 MATERIALS .......................................................................................................................................... 24 6.3 STORAGE OF MATERIALS ......................................................................................................................... 24 6.4 SURFACE PREPARATION .......................................................................................................................... 24 6.5 APPLICATION ....................................................................................................................................... 25 6.6 CURING .............................................................................................................................................. 25 7. EMBEDDED DAMPPROOF MEMBRANE .................................................................................................... 26 7.1 GENERAL............................................................................................................................................. 26 7.2 PRODUCTS ........................................................................................................................................... 26 7.3 WORKMANSHIP .................................................................................................................................... 26 8. STRUCTURAL STEEL ................................................................................................................................