INTRODUCTION      VARIOUS ASPECTS OF COST REDUCTIONS                                                                      ...
SITE PLAN                             SITE PLAN                                                                           ...
WATER SUPPLY                                                                    DESIGN CASE                               ...
FIRE SERVICES                                                        DESIGN CASE                                          ...
DESIGN CASE                                                 STUDY                                                LOW COST ...
STURCTUREPREFAB BEAMS AND COLUMNS   HOLLOW CONCRETE BLOCKS   SECTIONAL ELEVATION
RAFT FOUNDATION                       SITE CONSTRUCTION TECHNIQUES                                                        ...
SITE CONSTRUCTION TECHNIQUES PRECAST STAIRCASE                                                                            ...
RAM LOCHAN TILE                                               PROPOSED TECHNIQUES A FRAME                                 ...
PROPOSED TECHNIQUES                                                                                                       ...
PROPOSED TECHNIQUES                                                                                        DESIGN CASE    ...
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low cost housing delhi

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low cost housing delhi

  1. 1. INTRODUCTION VARIOUS ASPECTS OF COST REDUCTIONS •OPTIMUM UTILISATION OF LAND •FUNCTIONAL DESIGN OF BUILDINGS •OPTIMUM USE OF BUILDING MATERIAALS •RATIONALIZATION OF SPECIFICATIONSTHE CONSTRUCTION SITE AT DWARKA SEC 23 . •PROPER SCHEDULING OF WORKSTHE PROJECT IS UNDER DDA OF BUILDING 2300 HOUSING . •NEW CONSTRUCTION MATERIALS AND TECHNIQUESTHE TOTAL COST HAS BEEN PEGGED AT RS 762.3 CRORES AND THE PROJECT ISEXPECTED TO BE COMPLETED BY OCTOBER 2013. FACTORS AFFECTING CHOICE OF MATERIALS •SUSTAINABLE USE OF LOCAL MATERIALALL HOUSING COMPLEXES WILL HAVE AMENITIES LIKE GROCERY SHOPS, •AVAILIBLITY OF SKILLED LABOURPARKS, COMMUNITY CENTRES, CHOWKIDAR HUT, PARKING SPACES •SCALE OF CONSTRUCTIONAND ANANGANWADI CENTRE IN EACH BLOCK. •COST VARIATION WITH ALTERNATIVE MATERIALS •AVAILBLITY OF POWER •DISASTER RESISTANT REQUIREMENTS •ENVIRONMENTAL ASPECTS •TYPOLOGY BASED ON GEO CLIMATIC CONDITIONS DESIGN CASE STUDY LOW COST HOUSING DWARKA SEC 23 SUN PATH PREVAILING WINDS MONSOONAL WINDS SEMESTER: 7TH BATCH: 2009-14 INSTITUTE: ASAP KEY PLAN SHEET NO. 1
  2. 2. SITE PLAN SITE PLAN DESIGN CASE STUDY. LOW COST HOUSING DWARKA SEC 23 ZONING BUILT UP •THE UNITS ARE ESSENTIALLY TWO-ROOM UNIT SEMESTER: 7TH LANDSCAPE WITH SEPARATE W.C AND BATH CUBICLES AND KITCHEN WITH A SIT-OUT BALCONY. BATCH: 2009-14 COMMUNITY HALL AND •TYPOLOGY OF BUILDING BLOCKS- WALKUP UNITS WITH OTHER FACILITIES FIVE FLOORS. INSTITUTE: ASAP •TOTAL BUILDING HEIGHT -LESS THAN 15 MTS. •ONE STAIRCASE CATERING FOUR UNITS AT EACH LEVEL 1 WALKWAYS , AND ACCESS TO ROOF IS THROUGH M.S. LADDER SHEET NO.
  3. 3. WATER SUPPLY DESIGN CASE STUDY LOW COST HOUSING DWARKA SEC 23 TANKS PLACED AT THE TERRACE FROM WHICH WATER IS SUPPLIED TO THE INDIVIFUAL UNITS THROUGH THE PVC PIPES. SEMESTER: 7TH BATCH: 2009-14 INSTITUTE: ASAP SHEET NO. 1
  4. 4. FIRE SERVICES DESIGN CASE STUDY LOW COST HOUSING DWARKA SEC 23 THE HOSE REELS ARE CONNECTED TO THE BOREWELLS. SEMESTER: 7TH FIRE EXTINGUISHERS PRESENT AT THE BATCH: 2009-14 ENTRANCE OF THE BUILDINDS. NO SPRINKLERS. INSTITUTE: ASAP NO FIRE ALARMS SHEET NO. 1
  5. 5. DESIGN CASE STUDY LOW COST HOUSING DWARKA SEC 23THERSE ARE NO DG’S PRESENT. SEMESTER: 7THELECTRICITY CONNECTION IS THRIUGH THE MAINS. BATCH: 2009-14 INSTITUTE: ASAP SHEET NO. 1
  6. 6. STURCTUREPREFAB BEAMS AND COLUMNS HOLLOW CONCRETE BLOCKS SECTIONAL ELEVATION
  7. 7. RAFT FOUNDATION SITE CONSTRUCTION TECHNIQUES ASSEMBLY OF 3-S BEAMSCOLUMN BEAM JUNCTION PRECAST HOLLOW COLUMNS DESIGN CASE STUDY LOW COST HOUSING DWARKA SEC 23CONCRETE BLOCK WALL PRECAST SLAB SEMESTER: 7TH BATCH: 2009-14 INSTITUTE: ASAP SHEET NO. 1
  8. 8. SITE CONSTRUCTION TECHNIQUES PRECAST STAIRCASE FORMATION OF SLABASSEMBLY OF PRECAST FRAME SECTION OF HOLLOW COLUMN DESIGN CASE STUDY LOW COST HOUSING DWARKA SEC 23ADVANTAGES:•SELF-SUPPORTING READY-MADE COMPONENTS ARE USED, SO THE NEED FOR FORMWORK, SHUTTERING AND SCAFFOLDING IS GREATLY REDUCED.•CONSTRUCTION TIME IS REDUCED AND BUILDINGS ARE COMPLETED SOONER, ALLOWING AN EARLIER RETURN OF THE CAPITAL INVESTED.•ON-SITE CONSTRUCTION AND CONGESTION IS MINIMIZED. SEMESTER: 7TH•QUALITY CONTROL CAN BE EASIER IN A FACTORY ASSEMBLY LINE SETTING THAN A CONSTRUCTION SITE SETTING.•PREFABRICATION CAN BE LOCATED WHERE SKILLED LABOUR IS MORE READILY AVAILABLE AND COSTS OF LABOUR, POWER, MATERIALS, SPACE AND OVERHEADS ARE LOWER. BATCH: 2009-14•TIME SPENT IN BAD WEATHER OR HAZARDOUS ENVIRONMENTS AT THE CONSTRUCTION SITE IS MINIMIZED.•LESS WASTE MAY OCCUR•ADVANCED MATERIALS SUCH AS SANDWICH-STRUCTURED COMPOSITE CAN BE EASILY USED, IMPROVING THERMAL AND SOUND INSULATION AND AIRTIGHTNESS INSTITUTE: ASAP SHEET NO. 1
  9. 9. RAM LOCHAN TILE PROPOSED TECHNIQUES A FRAME •THE RATIONALE BEHIND THE FORM OF THE STRUCTURE IS THE TRIANGULATION OF A CUBOID THAT UNIFORMLY DISTRIBUTES LOAD. •THE OUTER SURFACE OF THE RLT IS A THIN TILE THAT CAN BE • THIS RESULTS IN A TRUSSED FORMATION, MADE WITH DIFFERENT TEXTURES, COLOURS, AND MATERIALS. WHICH UNIFORMLY DISTRIBUTES LOAD, AS •THE TILE IS MADE WITH A 1:2 MIX OF CEMENT AND MARBLE OR WELL AS EXTERNAL AND INTERNAL FORCES. STONE CHIPS THAT IS CAST INTO A SIMPLE MOULD AND DE- •THE SKELETON OF THE STRUCTURE IS A STEEL MOULDED AFTER ABOUT HALF AN HOUR. WELDED TRUSS MEMBER THAT IS CONNECTED •AFTER 48 HOURS CURING THE TILE IS READY TO BE USED. WITH CUBOID NODES USED AS CONNECTORS. • THE TILE FORMS THE OUTER IMPERMEABLE AND PERMANENT • THIS JOINT HAS BEEN SURFACE OF A RLT. THE SIGNIFICANT INNOVATION THAT HAS •THE COMPOSITION OF THE TILES BACKUP BLOCK CAN RANGE SIMPLIFIED THE CONSTRUCTION PROCESS. FROM MUD, LEAN CONCRETE ETC., TO A MIXTURE OF FLYASH, SIMPLE JOINTS FACILITATE ALL GYPSUM AND LIME. A COMBINATIONS. SIMPLE MOULD •COMPONENTS CAN FURTHER BE PULLED OUT •IS USED TO CAST THE BLOCK. THE WEDGE IN THE TILE ENSURES ATDIFFERENT JUNCTIONS AND LEVELS FOR BONDING BETWEEN THE TILE CONSTRUCTION OF UPPER AND THE BACKUP MATERIAL TO MAKE A PRE-FINISHED WALLING STOREYS AND TERRACES. BLOCK. THE RLT CAN BE USED ON SITE AFTER DEMOULDING AND 48 HOURS CURING DESIGN CASE STUDY LOW COSTFUNICULAR ROOF PRE TENSION WALL HOUSING •WALLS USING INTERLOCKING BLOCKS DWARKA SEC 23 •THE ENTIRE AREA TO BE ROOFED IS DIVIDED INTO A GRID DEPENDING ON THE SIZE OF THE FUNICULAR SHELL REQUIRED OR ATTEMPT TO RESPECT THIS PRESENT THE SIZE / SHAPE OF MOULDS AVAILABLE. DAY CONTRADICTION WITHIN RCC, • THE EDGE BEAM / SUPPORTING BEAM IS HALF CAST. THE • BY USING CONTINUOUS HOLES FOR REINFORCEMENT CAGE OF THE EDGE BEAM CAN EITHER BE PRE INSERTING HIGH TENSION BARS WELDED OR MADE IN THE CONVENTIONAL MANNER. WHICH ARE PRE-STRESSED FROM THE •THE RISE TO SPAN RATIO IS 1:6 THUS; THE ENDS, THROUGH THE SURROUNDING OPTIMAL SPAN OF THE SHELL IS 3 M THOUGH IT CAN SPAN UP TO 15 FRAME, M. •THUS LOCKING THE BLOCKS INTO •THE MOULD IS SUPPORTED BETWEEN THE EDGE BEAMS. TIMBER POSITION PLANKS ARE USED TO BRIDGE • THE CAVITIES ARE THEN FILLED WITH THE GAP BETWEEN THE EDGE OF THE MOULD AND THE EDGE BEAM. FINE RIVER SAND. • A THIN LAYER OF SAND IS PUT ON TOP OF THE MOULD WITH A •THUS THE TENSION IN THE WALLS LAYER OF THE FINISHING MATERIALS- BRICK / STONE TILES / MUD THATMAYBE CAUSED BY A SEMESTER: 7TH BLOCKS HORIZONTAL THRUST WILL ETC. ALONG THE CURVATURE OF THE MOULD OR ACCORDING TO BE TAKEN BY THE STEEL AND THE BATCH: 2009-14 INDIVIDUAL CHOICE. COMPRESSION BY THE CONCRETE •INTERESTING PATTERNS MAY BE CREATED BY ARTISTICALLY MINGLING THE CHOSEN MATERIALS ALONG WITH WASTE BY- INSTITUTE: ASAP PRODUCTS E.G.- EDGING OF MARBLE / GRANITE SLAB OR BROKEN 1 TILES ETC. •CEMENT SLURRY IN THE RATIO 1:2 IS POURED OVER THE ASSEMBLY SHEET NO. AND IS ALLOWED TO SETTLE.
  10. 10. PROPOSED TECHNIQUES GEODESIC DOMESSWARAN SINGH BLOCK •G DOMES ARE MADE OF SIMPLE SECTIONS OF •TAKE A SIMPLE, MANUALLY OPERATED BLOCK MAKING MACHINE AS DOMES IN TRIANGULAR SHAPE AVAILABLE WITH MOST OF THE BUILDING CENTRES •THE SECTIONS ARE MADE FOR MEMBERS AND •TAKE A STIFF PVC SHEET OR RED MUD PLASTIC SHEET CUT TO THE SIZE FACING OF THE BASE OF THE MOULD. •THESE SECTIONS ARE JOINED USING MILD STEEL • COAT IT WITH USED MOBIL OIL TO PREVENT ADHESION AND PLATES FACILITATE EASY DEMOULDING FROM THE SURFACE OF THE BLOCK. •THEN LINED WITH FACING •STONE PIECES OF DIFFERENT COLORS AND ARRANGE THEM IN PATTERNS AS MAY BE DESIRED FOR THE PURPOSE OF ARTICULATION OF MATERIALS. •PREPARE A 1: 3 MIX OF CEMENT AND SAND MORTAR. POUR THE MORTAR EVENLY OVER THE STONE CHIPS •THE VIBRATION HELPS INTEGRATION OF THE STONE •PIECES WITH THE CEMENT MORTAR TO FORM AN IMPERMEABLE DIAPHRAGM.. •PREPARE ANOTHER MIX OF MUD WITH 2% CEMENT OR 5% LIME OR THE COMBINATION OF THE TWO. THIS MIX FORMS THE MAJOR PORTION OF THE BODY OF THE BLOCK. . •TAKE A JUTE PIECE LITTLE SMALLER THAN THE SIZE OF THE BASE AND DIP IT IN CEMENT SLURRY. PLACE THE JUTE PIECE IN THE MOULD AND FILL THE REST OF THE MOULD WITH THE SAME MIX TO ABOUT 2/3 RD DESIGN CASE OF THE MOULD AND ADD ANOTHER LAYER OF JUTE DIPPED IN CEMENT STUDY SLURRY. •NOW FILL THE MOULD TO THE TOP. LOCK THE LID AND USE THE COMPRESSOR TO COMPRESS THE BLOCK LOW COST •SURFACE OF THE WALL AND WILL REQUIRE A FLASH COAT LATER IF AT VENE BOLCKS HOUSING ALL, ONLY TO EVEN OUT THE SURFACE. • REPEAT THE PROCESS OF COMPACTION. THE JUTE PIECES PLAY AN •IT COMPRISES OF A MOULD MADE OF TIMBER. THE MOULD IS USED TO MAKE THE ADOBE DWARKA SEC 23 IMPORTANT ROLE AS THEY BIND THE WHOLE MUD MIX WELL AND BLOCKS RIGHT WHERE THE WALL IS TO BE ERECTED, AND RELIES ON A SIMPLE NON- ALSO ALLOW FOR EASY LIFTING OF THE LARGE MUD BLOCK MECHANISED PROCEDURE. •THE MOULD IS PLACED WHERE REQUIRED AND THEN EARTH MIXTURE IS POURED IN AND COMPACTED WITHIN THE MOULD. •ONCE THE MOULD IS FILLED AND ALL THE EARTH WITHIN COMPACTED, THE MOULD IS LIFTED OUT AND MOVED AHEAD TO MAKE THE NEXT BLOCK. •THE SAME PROCESS IS REPEATED. THE MOULD ENSURES THAT THE BLOCKS ARE LAID PRECISELY AND GIVES IT A CLEANER FINISH THAN THE ROUGH, HAND COMPACTED ADOBE WALLS. SEMESTER: 7TH BATCH: 2009-14 INSTITUTE: ASAP SHEET NO. 1
  11. 11. PROPOSED TECHNIQUES DESIGN CASE STUDY LOW COST HOUSING DWARKA SEC 23DESIGN CONSIDERATIONS•REDUCE PLINTH AREA BY USING THINNER WALLS•FREQUENT CHANGES IN DESIGN SHOULD BE AVOIDED•BUILDING SHOULD BE IN REGULAR SHAPES SUCH AS SQURE, RECTANGLE•BASEMENT SREA SHOULD BE MINIMUM•RATIONALIZE EVERY COMPONENT OF HOUSE SO THAT CHAJJAS AND BALCONY SIZES ARE REDUCED•PRE CAST LINTELS TO BE USED•CEILING HEIGHT TO BE KEPT AS MINIMUM AS POSSIBLE SEMESTER: 7TH•MINIMUM SUNKEN SLABS FOR TOILETS AND KITCHENS•SINGLE STACK SYSTEM FOR PLUMBING TO BE USED BATCH: 2009-14•PVC PIPES FOR WATER SUPPLY AND DRAINAGE•EVAPORATIVE ROOF COOLING SYSTEM TO BE DESIGNED•USE OF PREFABRICATED STRUCTURAL MEMBERS INSTITUTE: ASAP•USE OF OTHER LOW COSST AND ALTERNATIVE BUILDING MATERIALS SHEET NO. 1

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