STRUCTURAL NOTES
GENERAL: SCHEDULE OF CONCRETE AGGREGATES 6.STANDARD HOOKS:
1.ALL DIMENSIONS ARE IN MILLIMETERS UNLESS NOTED OTHERWISE. ITEMS AGGREGATE SIZE
2.DO NOT SCALE DRAWINGS. ALL DIMENSIONS SHOULD BE READ OR FOOTING 19mm (3/4 in)
BEND STRAIGHT
COMPUTED. ANY DISCREPANCIES FOUND ON THE WRITTEN DIMENSIONS SHOULD SLABS, BEAMS, COLUMNS, OTHERS 19mm (3/4 in) TYPE OF STANDARD HOOK BAR SIZE,d
DIAMETER,D EXTENSION, lext
BE RAISED TO THE ATTENTION OF THE ENGINEER PRIOR TO EXECUTION OF THE SLAB ON GRADE 25mm (1 in)
WORK. 90 DEGREE HOOK Ø10mm to
6d
Point at which Ø25mm
3.ALL DRAWINGS SHOULD BE READ IN CONJUNCTION WITH THE PROJECT 3.WATER FOR MIXING SHALL BE CLEAN AND FREE FROM OIL, ALKALIS, ACIDS, bar is developed
SPECIFICATIONS & OTHER WRITTEN INSTRUCTIONS. ORGANIC MATERIALS WHICH MIGHT AFFECT THE PROPERTIES OF CONCRETE Ø28mm to
d
8d 12d
AND STEEL. Ø36mm
EARTHWORKS: D Ø40mm &
lext
1.UNLESS NOTED OTHERWISE ALL FILL MATERIALS SHOULD BE SELECTED FROM 4.ALL CONCRETE SHALL BE KEPT MOIST FOR A MINIMUM OF SEVEN (7) DAYS 10d
Ø58mm
COMMONLY EXCAVATED MATERIAL WHICH ARE FREE FROM ORGANIC AND IMMEDIATELY AFTER POURING BY USING WET BURLAP, FOG SPRAYING OR
HAZARDOUS MATERIALS AND GENERAL DEBRIS,FILL MATERIALS SHALL BE INERT OTHER APPROVED METHOD. 180 DEGREE HOOK Ø10mm to
6d
WELL GRADED AND GRANULAR MATERIAL WITH A MAXIMUM SIZE NOT Point at which Ø25mm
EXCEEDING 75mm. 5.TESTING OF CONCRETE SHALL CONSIST OF COMPRESSIVE TESTS OF bar is developed
MOLDED CONCRETE CYLINDERS FOR STRENGTH AND SLUMP TESTS FOR Ø28mm to LARGER OF 4d
d
8d
CONSISTENCY. Ø36mm & 65mm
FOUNDATION: D
Ø40mm &
1.IN ABSENCE OF SOIL INVESTIGATION REPORT, AND IN ACCORDNACE WITH REINFORCING STEEL: lext 10d
Ø58mm
SECTION 304.2 OF NSCP 2015, THE ALLOWABLE BEARING CAPACITY USED FOR
FOUNDATION IS 100 kPa. 1.STEEL REINFORCEMENT SHALL BE GRADE 230 IN ACCORDANCE WITH PNS
49.
2.UNIT WEIGHT OF SOIL CONSIDERED IS 18 kN/m3.
2.UNLESS APPROVED BY THE ENGINEER, WELDING OF REINFORCING BARS 7.STIRRUP & TIE HOOKS:
3.THE CONTRACTOR SHALL NOTIFY THE ENGINEER AFTER FOOTING EXCAVATION SHALL NOT BE PERMITTED.
HAVE BEEN COMPLETED TO CONFIRM THE DESIGN SOIL BEARING CAPACITY. BEND STRAIGHT
TYPE OF STANDARD HOOK BAR SIZE,d
3.REINFORCING STEEL BARS MUST BE FREE FROM OIL, GREASE, LOOSE RUST, DIAMETER,D EXTENSION, lext
CONCRETE: LOOSE MILL SACK OR OTHER HARMFUL MATTER IMMEDIATELY BEFORE 90 DEGREE HOOK
POURING CONCRETE. Ø10mm to LARGER OF 4d
4d
3.THE CONCRETE DESIGN AND CONSTRUCTION WORKS ARE IN ACCORDANCE Ø16mm & 75mm
d
WITH THE AMERICAN CONCRETE INSTITUTE (ACI 318M-14) AND THE NATIONAL 4.LAP SPLICE SHALL COMPLY WITH ACI-318M-14 AND NSCP C101-15.
STRUCTURAL CODE OF THE PHILIPPINES (NSCP C101-15). D
Ø20mm to
lext
5.THE MINIMUM CLEAR COVER FOR REINFORCEMENTS SHALL BE AS 6d 12d
FOLLOWS, UNLESS OTHERWISE SHOWN ON THE DRAWINGS: Ø25mm
SCHEDULE OF STRUCT'L. CONCRETE
AT 28 DAYS COMPRESSIVE STRENGTH 135 DEGREE HOOK Ø10mm to
STRUCTURAL ELEMENTS CONCRETE COVER,mm 4d
28-DAYS COMPRESSIVE Ø16mm
d
STRUCTURAL ELEMENTS STRENGTH (fc') LARGER OF 6d &
FOOTING 75 75mm
FOOTING 3,000psi (20.70 MPa) D
Ø20mm to
BEAMS, COLUMNS & GROUND SLAB 40 lex
t 6d
3,000psi (20.70 MPa) Ø25mm
SUSPENDED SLAB
SLAB ON FILL, RET. SUSPENDED SLAB 20
WALLS, CONC. FOR
2,500 psi (17.24 MPa) 180 DEGREE HOOK Ø10mm to
FENCE, LINTEL BEAMS BEAMS STIRRUPS & 4d
40 Ø16mm
& LINTEL COLUMNS COLUMN TIES
d
LARGER OF 6d
LEAN CONC. 1,500 psi (10.34 MPa) CONCRETE EXPOSED & 65mm
D
TO EARTH BUT POURED 50 Ø20mm to
AGAINST FORMS lext 6d
Ø25mm
2.AGGREGATES SHALL BE CHEMICALLY INERT, STRONG, HARD AND DURABLE,
AND OF LIMITED POROSITY AND FREE FROM ADHERING COATINGS AND CONCRETE POURED 75
ORGANIC OR OTHER IMPURITIES THAT MAY CAUSE CORROSION OF THE DIRECTLY TO EARTH
REINFORCEMENT OR MAY IMPAIR THE STRENGTH AND DURABILITY OF THE
CONCRETE.
SHEET NO.
1
BALCONY FOUNDATION PLAN
STRUCTURAL NOTES S-1
CIVIL ENGINEER 4
