GENERAL NOTES CONCRETE SLABS:

GENERAL: 1. ALL REINFORCEMENT SHALL BE 0.019m CLEAR MINIMUM FROM TOP AND BOTTOM OF SLAB.
A. MATERIALS AND WORKMANSHIP SHALL CONFORM TO THE REQUIREMENTS OF THE 2. FOR TWO- WAY SLAB BARS ALONG SHORTER SPAN SHALL BE PLACED BELOW THOSE ALONG
FOLLOWING BUILDING CODE. THE LONGER SPAN .AT CENTER AND OVER THE LONGER SPAN BARS NEAR THE SUPPORT
1. AC I 318-11 UNLESS OTHERWISE INDICATED OR SHOWN IN DETAILS THE SPACING OF THE BARS AT THE
2. A1SC 2011 COLUMN STRIPS CAN BE APPROXIMATELY 1-1/3 OF THE MIDDLE STRIPS BUT IN NO CASE
3. NSCP 2010 GREATER THAN 2-1/3 TIMES THE SLAB THICK.
3. UNLESS OTHERWISE SHOWN IN DETAIL FOR ONE WAY SLAB, REINFORCING BARS SHALL BE
B. ALL DRAWINGS SHALL NOT BE SCALED FOR CONSTRUCTION PURPOSES UNLESS BEND, EXTENDED OR CUT AS FOLLOWS. NO CASE LESS THAN 6.7mm. FOR EVERY 3.00M.
OTHERWISE INDICATED OF FREE SPAN.
C. FOR ALL OTHER REQUIREMENTS, REFER TO ARCHITECTURAL, SANITARY, ELECTRICAL
AND MECHANICAL WORKING DRAWINGS.

FOOTINGS:
1. FOOTINGS ARE DESIGNED ON NATURAL GRADE LINE WITH A MIN. BEARING CAPACITY
OF 144 KPa. THE CONTRACTOR SHALL VERIFY THE SOIL CONDITION AT SITE AND SHALL
NOTIFY STRUCTURAL ENGINEER IF ACTUAL SOIL PROPERTY APPEARS WEAKER TO THAT ASSUME.
2. NO FOOTING SHALL REST ON FILL.
3 MINIMUM CONCRETE PROTECTION FOR REBARS SHALL BE 0.075m. CLEAR FOR
CONCRETE DEPOSITED AGAINST THE GROUND AND 0.050m. CLEAR FOR CONCRETE DEPOSITED
AGAINST THE FORM WORK.

CONCRETE MIXES & PLACINGS :

FOOTINGS & BEAMS ON GRADE--------------------------------------- 20.70 MPa (3000 PSI) MILD STEEL REINFORCEMENT:
COLUMNS------------------------------------------------------------------20.70 MPa (3000 PSI) 1. ALL MILD STEEL REINFORCEMENT SHALL CONFORM TO ASTM A-15-62-21 AND DEFORMATIONS TO A
SLAB, BEAMS & GIRDERS----------------------------------------------- 20.70 MPa (3000 PSI)
(3000 PSI) REVISIONS.
PARTITIONS, PARAPET & SHEAR WALL------------------------------- 20.70 MPa
BEDDED SLABS, CATCH BASINS & SIDE WALK----------------------17.25 MPa (2500 PSI) 2. DEVELOPMENT LENGTH FOR ALL BARS SHALL BE A MINIMUM OF 40 BARS DIA. UNLESS
OTHERWISE SPECIFIED.
2. ALL CONCRETE MUST BE DEPOSITED, VIBRATED AND CURED IN ACCORDANCE WITH
ACT STANDARD 318-89. BAR < Ø12 ; Fy= 276 MPa
3. STRIPPING FORMS AND SHORES SHALL BE AS FOLLOWS
STRUCTURAL STEEL: BAR> Ø16 ; Fy= 276 MPa
FOUNDATIONS I DAY 1. ALL STRUCTURAL STEEL SHALL CONFORM TO ASTM A-36 Fy= 36,000 PSI
COLUMNS & WALLS 3 DAYS
BEAMS & GIRDER 21 DAYS 2. WELDING SHALL CONFORM TQ AWS STANDARDS .
SLABS 17 DAYS 3. FABRICATOR SHALL SUBMIT SH0P DRAWINGS FOR APPROVAL BY THE ENGINEER
AND THE OWNER PRIOR TO FABRICATION.
4. CONCRETE SHALL BE DEPOSITED IN ITS FINAL POSITION WITHOUT SEGREGATION RE-HANDLING
OR FLOWING, PLACING- SHALL BE DONE PREFERABLY WITH BUGGIES BUCKETS OR WHEEL
BARROWS. NO CHUTES WILL BE ALLOWED EXCEPT TO TRANSFER CONCRETE FROM HOPPERS
TO BUGGIES, WHEELBARROWS, OR BUCKETS IN WHICH CASE THEY SHALL NOT EXCEED 600m IN
AGGREGATE LENGTH, NO DEPOSITING OF CONCRETE SHALL BE ALLOWED WITHOUT THE USE OF
VIBRATOR - UNLESS AUTHORIZE IN WRITING BY THE DESIGNERS AND ONLY FOR USUAL
CONDITIONS WHERE VIBRATOR IS EXTREMELY DIFFICULT TO ACCOMPLISH. CONCRETE HOLLOW BLOCKS:
REINFORCEMENT AS TABULATED BELOW SHALL BE PROVIDED UNLESS OTHERWISE
BEAMS & GIRDERS:
SPECIFIED IN THE PLAN
1. CAMBERS ALL BEAMS AND GIRDERS AT LEAST 62mm. FOR EVERY 3.00 m.
OF SPAN.
2. FOR TWO OR MORE LAYERS OF REINFORCING BARS, USED SEPARATOR SPACED AT 0.914 M.
O.C AND IN NO CASE SHALL BE LESS THAN TWO (2) SEPARATORS. CONCRETE HOLLOW BLOCKS REINFORCEMENT
3. NO SPLICE SHALL BE PERMITTED ON BEAMS AND GIRDERS WHERE CRITICAL BENDING STRESSES
OCCUR TENSION SPLICE SUPERMITTED SHALL BE 48 DIAMETER FOR PLAIN BARS AND 24
DIAMETER FOR DEFORMED BARS, COMPRESSION SPLICE SHALL BE 40 DIA. FOR PLAIN BARS BLOCK REINFORCEMENT NOTES
FOR PLAIN BARS AND 20 DIA. FOR DEFORMED BARS LAP SPLICES SHALL BE WIRED THK. A. MIN.SPLICE AT LAP=0.25M
TOGETHER SPLICE TOP BARS AT MID SPAN BOTTOM BARS AT SUPPORT BENT BARS HORIZONTAL VERTICAL
B. PROVIDE RIGHT ANGLE
AT BEND POINTS IN SUPERSTRUCTURE WELDED SPLICES SHALL BE DEVELOPED Ø 10 AT 0.60 M Ø 10 AT 0.60 M REINFORCEMENT
0.76 M
INTENSION AT LEAST 125 Ø OF THE SPECIFIED YIELD STRENGTH OF THE BAR NOT AT CORNER 0.194M. LONG
MORE THAN 50 % OF THE BARS AT ANY ONE SECTION SHALL BE PERMITTED 0.100 M Ø 10 AT 0.60 M Ø 10 AT 0.60 M C. WHERE CHB WALLS ADJOINING
TO BE SPLICED. COL. R.C.BEAMS WALL DOWELS
4. IF BEAM REINFORCING BARS END IN A WALL THE CLEAR DISTANCE FROM THE BAR TO 0.150 M Ø 10 AT 0.60 M Ø 10 AT 0.60 M W/ SAME SIZE AS VERT. OR
THE FURTHER FACE OF THE WALL SHALL NOT BE LESS THAN 0.051m EMBEDMENT HOR. REINF. SHALL BE
LENGTH SHALL BE 40. DIA FOR TENSION AND 20 DIA. COMPRESSION BARS. 0.200 M Ø 12 AT 0.60 M Ø 10 AT 0.60 M PROVIDED
5. MINIMUM CONCRETE PROTECTION REINFORCING BARS OR SHAPE SHALL BE AS SHOWN
6. UNLESS OTHERWISE NOTED IN PLANS OR SPECIFICATIONS, CAMBER ALL BEAMS AND
GIRDERS AT LEAST 62 mm FOR EVERY 3.00m OF SPAN EXCEPT CANTILEVERS FOR WHICH
THE CAMBERS SHALL BE AS NOTED IN THE PLANS OR ORDERED THE DESIGNER, BUT IN
NO CASE LESS THAN 6.7mm. FOR EVERY 3.00M OF FREE SPAN. CLIENT'S GOVERNMENT
CONSTRUCTION
APPROVAL APPROVAL

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