Column Footing
Column Footing
                                                                                                                                                                                                                                                                                                                                                                 AT HALF SPACING
                                                                                                                                                                                                                                                                                                                                                                                                      FLOOR LEVEL                                                        1.     Vertical Formworks to columns,walls,Beams.         16 to 24 Hrs
C 11
                                                                                                                                                                                                                                                                                                                                                         splice 200
                                                                                                             3-16 MM DIA                                                                                                                                                                                                                                                                                                                                                        Soffit formworks to Beams
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         3.
                                                                                                                                                                                                                                                                                                                                   TRANSVERSE REINFORCEMENT
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    7 Days
                                                                                                                                                                                                                                                                                                                                                                                      h/4
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (Props to be refixed immediately after
                                                                      C9
                                                                                                                                                                                                                                                                                                                                                                                            h/3
                                    C8                                                                                                                                                                                                                                                                                                                                                                                                                                          removal of formworks)
'D'
                                                                                                                                                                                                                                                                                      'd'
          C7                                                                                                 2-12MM DIA
'D'
                                                                                                                                                                                        'd'
                                                                                                                                                                                                                                                                  350MM
                                                                                                                                                                                                                                                                                                                                            AS PER 7-3-3
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   2) Spaning over 4.5 m                            14 Days
                                                                                                                                                                                                                                       600 mm
                                                                                                                                                                                                                                                     100 MM THICK P.C.C
                                                                                                                       600 mm
C6
                                                                                                                                                                                                                                                                                                                                       AS PER 7-4-1
                                     C5                                                                                                                                                                                                                                                                                                                                                                                                                                         Props to beams and Arches:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         5.                                                         14 Days
          C4                                                                                                                                                                                                                                                                                                                                                                                                                                                                       1) Spaning upto 6 m
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   2) Spaning over 6 m                              21 Days
                                                                                                     CONCENTRIC FOOTING SECTION                                                          " C1 "                                        CONCENTRIC FOOTING SECTION                           " C5 "
                                                                                                                                                                                                                                                                                                                                                                                                  h
                                                                                                                                                                                                                                                                                                                                                                                                                                                               4. Nominal covers                                                       Clear Cover
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    I   Footings                                                          50
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    II Columns & walls >200mm width                                       40
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (to links of column)
                                     C2                                                                           C1                               C 1,3,4,6,7,9,10,12,13,14                                                                                                                                                                                                                                                                                        III Columns & walls with width of 200mm & below                        40
                                                            C3                                                                                     beam in footing                                                                                                                                                                                                                                                                                                      having reinf. of dia. 16mm & above.
          C1                                                                                                                                                                                                                                                                                                                                                                                                                                                            (to links of column)
                                                                                                                                                   TOP        3-16mm
                                                                                                                                                                                                                                                                                                                                                                                            h/3
                                                                                                                                                   BOTTOM 2-12mm                                                                                                                                                                                                                                                                                                     IV Columns & walls with width of 200mm & below                        30
                                                                                                                                                                                                                                                                                                                                                                                      h4
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         having reinf. of dia. 12mm.
                                                                                                                                                   RING 6MM 200MMC/C                                                                                                                                                                                                                                                                                                     (to links of column)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     V Slabs                                                               30
                                                                                                                                                                                                                                                                                                                                                                                                                                                FLOOR LEVEL          VI Beams                                                              30
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         (to stirrups of beam)
                                                                                                                FOOTING BEAM DETAILS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     VII Lift walls                                                        40
                                                                                                                                                                                                                                                                                                                                                                          lo
                                                                                                                                                                                                                                                            TYPICAL PLAN OF FOOTING                                                                                                                                                                            6. Minimum clear spacing between any two longitudinal bars in beam= 50mm.
                                                                                                                                                                                                                                                                                                                                                                                                                                                               7. All laps (Ld) shall be staggered & not more than 50% bars to be lapped
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  at any given section.
                           S C H E D U L E                           O F          C O L U M N                      &              F O O T I N G                                                                                                                                                                                                               TYPICAL C/S OF COLUMN                                                                               Development Length(Ld) for Columns 40 x Dia of bar
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For Beams and slab it shall be 50 x Dia of bar.
                                                                                                                                                            COLUMN                                                                                                                                                                                                                                                                                             8. If footings overlap with each other, necessary revision shall be obtained from Engineer.
                                                           R.C.C.FOOTING          REINFORCEMENT                                                       REINFORCEMENT UP TO
                                                                                                                                         COLUMN             1ST SLAB                                                                                                                                                                                                                                                                                           9. Design is valid for number of floors as indicated in the drawing + 1 Additional Floor
SR.NO.     COLUMN NO.       P.C.C.SIZE     THICKNESS                                                        REMARKS                                                                           REMARKS
                                                                                                                                          SIZE
                                                          SIZE       THICKNESS    SHORT    LONG                                                       MAIN STEEL      STIRRUPS
                                                                                                                                                                                                                                                                                                                                                                                                                                                              10. For cantilevers, top bars to be anchored behind from external face of support for - Ld or
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  span of cantilever- whichever is greater
                                                                                 10mmØ @ 10mmØ @     Eccentric-box with Footing                                        06mm Ø                                                                                                                                                                                                                                                                                 11. Supervision and quality control is not our responsibility.
  1      C 1,3,6,9,12,14    1450 X 1450       100      1350 X 1350      425
                                                                                 150MMC/C 150MMC/C             Beam
                                                                                                                                         230 X 460 12mm Ø 8 nos.
                                                                                                                                                                       @150 c/c                                                                                                                                                                                                                                                                               12. The structural engineer has no liability of the part of the work which
                                                                                                                                                                     ALT. DOUBLE RING
                                                                                                                                                     16mm Ø 4 nos.
                                                                                                                                                                                                                                                                                                                                                                                                                                                              is not designed, nor checked by him before casting.
                                                                                 10mmØ @ 10mmØ @                                                                       06mm Ø
  2        C 4,5,7,8        1500 X 1450       100      1400 X 1350      450                                Isolated -box                 230 X 460    + 12mm Ø 4       @150 c/c
                                                                                                                                                                                                                                                                                                                                                                                                                                                              13. Do not add or alter the R.C.C. Design.
                                                                                 150MMC/C 150MMC/C
                                                                                                                                                         nos.+       ALT. DOUBLE RING
                                                                                                                                                                                                                                                                                                                                                                                                                                                              14. Formwork / Centering / shuttering / deshuttering is the
                                                                                 10mmØ @ 10mmØ @     Eccentric-box with Footing                                        06mm Ø                                                                                                                                                                                                                                                                                  responsibility of the contractor.
  3            C2           1450 X 1450       100      1350 X 1350      425
                                                                                                               Beam
                                                                                                                                         230 X 460 12mm Ø 8 nos.
                                                                                                                                                                       @150 c/c
                                                                                 150MMC/C 150MMC/C
                                                                                                                                                                     ALT. DOUBLE RING
                                                                                                                                                                                                                                                                                                                                                                                                                                                              15. Reinforcement should be free from rust and oil.
                                                                                                                                                                                                                                                                                                                                                                                                                                                              16. Structural joints should be monolithic. Use "Vibrator" for casting.
                                                                                 10mmØ @ 10mmØ @     Eccentric-box with Footing                                        06mm Ø
  4         C 10,13         1450 X 1350       100      1350 X 1250      425
                                                                                 150MMC/C 150MMC/C             Beam
                                                                                                                                         230 X 380 12mm Ø 8 nos.
                                                                                                                                                                       @150 c/c                                                                                                                                                                                                                                                                               17. Material testing shall be done as per norms.
                                                                                                                                                                     ALT. DOUBLE RING
                                                                                                                                                                                                                                                                                                                                                                                      TYPICAL STIRRUP                                                         Any deviation shall be informed immediately.
                                                                                 10mmØ @ 10mmØ @                                                                       06mm Ø                                                                                                                                                                                                                                                                                 18. Under no circumstances concreting be done unless the reinforcement
  5           C 11          1450 X 1350       100      1350 X 1250      425
                                                                                 150MMC/C 150MMC/C
                                                                                                           Isolated -box                 230 X 380 12mm Ø 8 nos.
                                                                                                                                                                       @150 c/c                                                                                                                                                                                                                                                                               is checked, approved and certified by the Engineer in Charge.
                                                                                                                                                                     ALT. DOUBLE RING