NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                              OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                                JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
     NUCLEAR POWER CORPORATION OF INDIA LIMITED
            (A GOVT. OF INDIA ENTERPRISE)
              Gorakhpur Haryana Anu Vidyut Pariyojana (GHAVP),
                          Distt-Fatehabad, Haryana
                           DOCUMENT ACCEPTANCE NOTE
W.O. No.                    : GHAVP/1&2/CIVIL/WO-078,            Dt.15.02.2019
       Name of Document : JHA   FORCONCRETING OF RAFT/PCC/RCC/FILLCRETE
Submitted By                 : M/S -TATA Projects Limited.
Name of Work                : Construction for main plant building and structures and other
                                associated works (civil package-II) of Gorakhpur Haryana Anu
                                Vidyut pariyojana-1&2.
Registration No.           :
Above procedure / proposal has been reviewed at our end and found conforming to the
requirement of NPCIL specification / relevant code and hence accepted.
                                                                       SIGNATURE WITH
      NPCIL                     NAME AND DESIGNATION
                                                                            DATE
                     SHRI.NITESH BUDHANI,SO/C(CIVIL)
                     SHRI. GURPREET SINGH BHATIA,SO/D(CIVIL)
 CHECKED BY
                     SHRI.CHANDRAMANI MANISH,SO/C(I&FS)
                     SHRI.PANKAJ ARORA,SO/E(CIVIL)
  REVIEWED BY
                     SHRI.A K SHARMA,SO/E(CIVIL)
                     SHRI.K V SHARMA-HEAD(I&FS)
 CONCURRED BY
                     SHRI. S K GUPTA,CE(CIVIL)
 APPROVED BY
                                                                                  Page 1 of 10
                NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
           PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                      OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                       JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
 NUCLEAR POWER CORPORATION OF INDIA LIMITED
            (A GOVT.OF INDIA ENTERPRISE)
  Gorakhpur Haryana Anu Vidyut Pariyojana (GHAVP1&2)
     JHA FORCONCRETING OF RAFT/PCC/RCC/FILLCRETE
Work Order No                      :   GHAVP-1&2/CIVIL/078 Dt.15.02.2019
TPL DOCUMENT NO.               :
NPCIL Procedure Reg. No.       :                           Date :
PREPARED BY                        :
                                        ENGINEER
REVIEWED BY                    :
                                       SAFETY OFFICER
APPROVED BY                :
                                       PROJECT MANAGER/RCM
                                                                           Page 2 of 10
                           NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
                   PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                              OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                                  JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
                  JHA FORCONCRETING OF RAFT/PCC/RCC/FILLCRETE
1. Tools and tackles required : Concrete mixer, Concrete pump, Vibrator, Boom Placer, De- watering
   pump. PPE's required      : Helmet, hand gloves, Goggle, Shoes/Gum boots, Ear plug etc.
2. Authorization required         : Work Permit, Height pass.
3. Section-In Charge            :
Table 1 JHA FOR CONCRETING OF RAFT/PCC/RCC/FILLCRETE
Sl.N   Sequence of the       Potential hazards    Protection measures to              Action by
 o            job                                         be taken
 1     De-                  a) Worker may come 1. All rotating parts should            Engineer/
       watering/Slush          in contact with      be barricaded/ guarded.            Electrical
       Removal                 the rotating parts                                      Engineer
                               of machine and 2. Use Proper PPE, Safety
                               contaminated         Helmet, Gum boots,
                               water.               Rubber Hand Gloves
                                                    While handling water.
                                                    1. Earthing & other
                            b) Electric Shock           electrical line should be
                                                        checked before
                                                        operation.
                                                    2. Electrical cable joints
                                                        should be
                                                        avoided/properly
                                                        connected.
 2     Transportation of    a) Unskilled operator   1. Only authorized driver          Engineer/
       Transits mixer          of transit mixture       should operate the transit     Electrical
                               & Improper               mixer.                         Engineer
                               illumination         2. Speed limit should not be
                                                        more than 15 kmph
                                                    3. Reverse Horn should be
                                                        made available
                                                    4. Approach and departure
                                                        area of transit mixer
                                                        should be planned in
                                                        advance where required.
                                                    5. Proper ramp for concrete
                                                        unloading in
                                                        bucket/pump should be
                                                        provided.
                                                    6. One signal man should be
                                                        deputed for proper
                                                                                           Page 3 of 10
                      NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
               PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                          OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                             JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
                                                   signaling.
                                               7. Adequate turning area
                                               and end stoppage for
                                               transit mixer should be
                                               provided.
                       b) Contact with         8. Proper illumination to be
                          rotating             maintained.
                          parts/Moving part.
                                               All rotating parts/Moving part
                                               to be guarded.
3   Placing of             Toppling of        1. Pump Should be rested         Engineer/
    concrete pump/          pump.              on firm ground and firm          Electrical
    Placer with                                base.                            Engineer
    Connecting                                 2. Unauthorized persons
    concrete pipe                              shall be kept away from the
    line                                       immediate are of the
                                               machine.
                           Struck by          Place away from heavy
                            other moving       traffic area.
                            vehicle.
                           Leakage of         1. Leak proof coupler is to
                                               be provided at joints.
                            pipe line at
                                               2. When quick release pipe
                            joints.
                                               clamps are used, locking
                                               pin shall be engaged to
                                               avoid accidental release.
                                               1.Check Out Oil Leak
                                               2.Boom movement should
                           Placer boom        be clear from HT line /OH
                                               HT line
                                               3. Flexible (Elephant Trunk)
                                               hose should be properly
                                               clamped and two ropes at
                                               the end shall be provided to
                                               control the movement of
                                               hose.
4   Unloading of        Hitting the            1. Stop blocks are to be         Engineer/
    concrete into      pump/person by          placed.                          Electrical
    pump by transit    transit mixer.          2. No persons shall stand        Engineer
    mixer                                      between the reversing truck
                                                                                    Page 4 of 10
                      NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
                  PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                             OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                              JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
                                               and hopper.
                                               3. Proper signal to be given
                                               by signal man.
                        Over pouring of        1. Proper communication
                        concrete into pump     should be ensured.
                        hopper.                2. Operation by trained
                                               pump operator should be
                                               ensured.
                        Entanglement caught 1. Pump chamber should
                        in-between             be provided with girder.
                                            2. Person should not use
                                               hand to clear the jam
                                            3. Only trained persons
                                               are allowed.
5.   Placing of         Contact with           1. Rubber hand gloves,          construction
     concrete           chemicals or           gumboots & goggles to be        engineer /
                        concrete                                               Time office
                                               used during concreting
                                               work.
                                               2. Washing of hands before
                                               eating & drinking at the
                                               end of work.
                        Choking of pipeline.   1. Adequate workable
                                               consistency should be
                                               maintained.
                                               2. Supporting of pipe line at
                                               bends.
                                               3. Regular concrete pump
                                               strokes should be
                                               maintained.
                                               4. Use of excessive sharp
                                               angle ends should be
                                               avoided.
                                               5. ON/OFF signal lamp with
                                               buzzer or manual signaling
                                               system shall be provided at
                                               placement and pumping
                                               locations.
                                               1. The pipe should not be
                                               bent more than safe angle.
                                               2.Care should be taken to
                                                                                     Page 5 of 10
    NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
           OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
             JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
      Bursting of pipe line   keep up the continuous
                              flow of concrete.
                              3. When the flow is in
                              upward direction, utmost
                              care is to be taken.
                              4.The operation should be
                              supervised by experienced
                              supervisor.
                              5. The healthiness of the
                              pipe line shall be checked
                              before use.
                              1. Workmen shall not allow
      Overexertion            to work beyond 12 hrs.
                              2. Weekly off shall be
                              given to workmen after 6
                              days.
                               3. Availability of rest
                              room, toilet and drinking
                              water shall be ensured.
      a) Striking against     1. Obstruction to be            Construction
         the vehicle,            removed.                     Engineer
         objects & fall of
         person               2. Proper housekeeping to
                                 be maintained.
                              3. Illumination of 100 lux to
                                 be maintained in the
                                 area of work.
                              4. Person/signal man
                                 should not stand/sit on
                                 back of vehicle while
                                 concrete pouring/parked
                                 transit mixer.
                              5. While giving signal for
                                 transit mixer, signal man
                                 should be standing at the
                                 driver side and         2
                                 meter away from vehicle.
                                                                    Page 6 of 10
                    NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
               PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                          OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                            JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
6   Placement of     a) Crane failure      1. Ensure tower crane and      Construction
    concrete with                          load lifting appliances are    Engineer /
    bucket                                 load tested and certified by   Fleet
                                           competent person and           Engineer
                                           available with valid
                                           documents.
                                           2. Ensure that the
                                           maximum safe load of the
                                           tower crane is more than
                                           the weight of filled mortar
                                           bucket to be lifted.
                                           3. Healthiness of the bucket
                                           shall be ensured.
                     b)     Sling  failure 1. Sling and `D' shackles
                     because of loose `D' should be tested by
                     shackles or broken competent person.
                     slings etc.
                                           2. Use proper `D' shackles
                                           and ensure its strength and
                                           capacity.
                                           3. Use proper SWL rated
                                           slings
                                           4. Deploy trained signal
                                           man.
                     c) Fall of concrete   1. Buckets handled by
                     bucket                crane should be inspected
                                           prior to each operation.
                                           Following points should be
                                           taken care of:
                                           a. Safety latch of the hook.
                                           b. Condition of slings &
                                           crane stability.
                                           c. Welded joints.
                                           d. Closing & locking of exit
                                           door of the bucket.
                                           2. Care must be taken that
                                           the loose mortar does not
                                           fall off during lifting.
                                           3. Men should be moved
                                           away from the swinging
                                           area.
                                                                                Page 7 of 10
                        NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
                 PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                            OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                                JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
                                                  4. Unloading and loading
                                                  area shall have proper
                                                  lighting.
                                               1 .Before handling of
                         d) Failure of concreteconcrete bucket closing and
                         bucket lifting        locking of existing door
                                               should be checked.
                                               2. Welding joints shall be
                                               checked.
                                               3. Healthiness of concrete
                                               bucket should checked by
                                               FED.
7.   Use of Vibrator     Unsafe operation of 1. Vibrator shall be properly      Construction
                         vibrator/    Electric     earthed and cable joints     Engineer /
                         shock                                                  FED Engineer
                                                   should be proper.
                                                  2. ELCB to be provided.
                                                  3. Trained person should be
                                                     deployed for vibration
                                                     activity.
                                                                                Use hand
                                                  4. Proper supervision
                                                                                gloves which
                                                     should be ensured.         will observe
                                                                                vibration
                                                  All PPE’s required for
                         Vibration white finger   vibration activity to be
                                                  ensured.
8    Green cutting of    a. Fly of loose          1. Use of appropriate PPE     Constructio
     concrete            aggregate                (goggle). should be           n Engineer
     operation                                    ensured
                                                  2.position of green cutting
                                                  gun at a distance of
                                                  approx. 500 mm from the
                                                  surface shall be maintained
                         b. Fall of retarder
                                                  1. Any spillage of retarder
                                                  should be cleaned off.
                         c. Failure of air
                         compressor pipe.         1. Use of heavy duty pipe
                                                  should be ensured.
                                                  2.All pipes to be connected
                                                  with snap on coupler &
                                                  Seal.
9    Ball passing        Hitting by flying        1. Ensure non-entry of        construction
                                                                                      Page 8 of 10
                             NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
                       PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                                  OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                                    JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
          operation.          fragments              outside person within the       engineer
                                                     area during the operation.
                                                     Area to be Guarded.
                                                     2. Use of Ball catcher at the
                                                     delivery opening to arrest
                                                     the ball should be ensured.
                                TABLE 2 CHECKLIST FOR CONCRETING OF
                              RAFT/                 PCC/RCC/FILLCRETE
Name of Project         :
Job No.                  :
Inspected By :
Date          :
                                                                         STATUS
  SL.                                                                                REMARK
  NO                           DESCRIPTION                               YES N          S
                                                                              O
    1.      Ground for machine parts/concrete pump/Boom placer is        YES   NO
            leveled and compacted properly?
    2.      Whether water level is less than 3 degree maintained in      YES   NO
            Boom placer placement?
   3.       Whether Green card system implemented for all the            YES   NO
            vehicles like transit mixer, Back hoe loader, Wheel loader
            and boom placer?
    4.      Workmen wearing necessary PPE’s like safety helmet,          YES   NO
            rubber hand gloves, gum-boot, ear plug, goggles as
            applicable.
    5.      All rotating parts like gears, chains, rollers& belt are     YES   NO
            covered / barricaded.
    6.      Experienced /authorized operators are deployed for           YES   NO
            transit mixers/ concrete pump/Boom placer.
    7.      Proper area for concrete unloading in bucket/pump/boom       YES   NO
            placer provided.
    8.      Whether signal man is deputed for proper signaling of        YES   NO
            transits mixer/concert pump operation.
    9.      Whether platforms were provided at the boom                  YES   NO
            placer/pump unloading point?
    10.     Whether stoppers were provided at the boom                   YES   NO
            placer/concrete pump point?
    11.     Whether transits mixer runs at less than 15kmph speed at     YES   NO
            site.
    12.     Adequate turning area and end stoppage for transit mixer     YES   NO
            provided.
    13.     Earthing & other electrical line checked before operation.   YES   NO
                                                                                          Page 9 of 10
                         NPCIL-GORAKHPUR HARYANA ANU VIDYUT PARIYOJANA
                   PROJECT: CONSTRUCTION FOR MAIN PLANT BUILDINGS AND STRUCTURES AND
                              OTHERS ASSOCIATED WORKES (CIVIL PACKAGE –II)
                                   JHA – CONCRETING OF RAFT/PCC/RCC/FILLCRETE
   14.    Whether Vibrators are properly earthed and cable joints         YES    NO
          are proper.
   15.    Whether pipe clamps and locking pin are used at                 YES    NO
          concrete pipe line joints
   16.    Whether Stop blocks are to be placed for transit mixer.         YES    NO
   17.    Is Barricading is provided at ball pass area to Ensure non-     YES    NO
          entry of personnel within the area
   18.    Is Proper supervision is available.                             YES    NO
   19. Is Proper housekeeping is maintained around work area              YES    NO
   20.    Is Illumination of 100 lux available at work area during        YES    NO
          night concreting?
   21.    Whether all the workmen were pre-briefed about the job          YES    NO
          and hazard associated?
   22.    Earthing & ELCB to be provided for Electrical Distribution      YES    NO
          board?
   23.    Is Bucket inspected before handle like Safety latch of the      YES    NO
          hook, Condition of slings, Welded joints?
   24.    Whether Care to be taken for prevent bursting of pipe           YES    NO
          line?
   25.    Whether tested crane/boom placer deployed at work site?         YES    NO
   26.    Material handling tools / tackles/slings are tested and         YES    NO
          recorded?
          Is Two shift arrangement is made to prevent the
   27.    workmen continuing the work beyond 12 hrs. in case of
          major pour?                                                     YES    NO
          A shift register to be checked to confirm the same
   28.    Whether the persons are given weekly off?                       YES    NO
   29.    Whether rest room toilet, drinking water facilities are
          available nearby work area?                                     YES    NO
  30.     Whether Proper access is provided to reach the                  YES    NO
          concreting area?
  31.     Barricading shall be ensured at the edges and proper access
           to be provided?                                            YES        NO
Name:                                                               Name:
Signature:                                                           Signature:
(Site Engineer)                                                     (Safety Engineer)
                                                                                        Page 10 of 10