9.0 HEALTH, SAFETY AND RISK ASSESSMENT: SAFETY 9.1 The Safety Manager is responsible for the overall safety of the construction site. His responsibilities include site inductions ensuring work permits are valid, accident reports, number of man-hours worked and ensuring all works are carried out in the safest possible manner consistent with good construction practices. In case of imminent danger the site supervisor/superintendent has to stop the work immediately. The Safety officer at site is equally responsible for stopping the work in the above case. All required and necessary safety measures shall be taken during the execution of this section of work as shown and not limited to the following: following: a. Proper use of Personal Protective equipment. b. Place necessary warning signs as required. c. Safety harness shall be used by all workers who are working on elevated area. d. Provide flickering lights and reflectors while working in the night time.
9.2 The Job Safety Analysis (JSA) for General Excavation and Backfilling Works are as follows: Item No. No. 01
Activity
Survey of the job site
Hazards / Risks Identified
Slip and trip
Control Measures
Implement Implement housekeeping procedures. Wearing of the required PPEs particularly safety harness in deep excavated area..
02
Excavation Excavati on of earth and trenching
Slip and trip of workers. Fall of workers equipments.
and
Cave-in of excavation walls.
Secure approved excavation work permit prior to the start of the work. Excavation plan and excavation work checklist must be available at the work site. Assign licensed and experienced experienced operators. Excavation site must be cordoned with safety warning tapes and / or hard barricades painted with red & white whichever is applicable including provision of sufficient lightings & blinker lights during nighttime. Install adequate safety signs such as excavation in-progress, keep out - deep excavation, etc. Assign experienced and trained personnel / workers.
PORT TANK FARM & LOADING FACILITIES (PACKAGE-9)
Provide spoil area away at least 2 meters from the edge of the excavation to avoid cave-in or collapse in case excavated materials will not be hauled or disposed at once. Provide sufficient shoring system, sloping of ground or other equivalent means such as sheeting, crossing bracings, trench shield or box and jacks, benching, underpinning, etc. whichever is applicable. Prohibit movement of vehicles and equipments near the edge of the excavation that may result to side wall excavation cavein or collapse due to severe ground movement. 03
Backfilling works
Slip and trip of workers. Fall of workers and tools / equipments.
Implement method statement / procedures on safe backfilling works. Strict supervision during backfilling works. Wearing of the required PPEs. Assign licensed and experienced operators. Assign experienced and trained personnel / workers.
04
Trenches
Falling from height and cave' in
Earth excavated to be stored 2 meters away from excavation site. Earth excavated in "V" shape. Vehicle to be kept in 2 meters from edge of excavation. Experienced and trained workers. Essential PPE in use. Method Statement in place. Implement safety procedures & guidelines on heat stress. y
y y
y y y
05
Environmental conditions during excavation works.
Extreme environmental condition such as high temperature & humidity and strong wind.
Inspect excavation and adjacent areas for possible hazardous atmosphere and any other condition that may present a hazard. Suspend / stop all operations during extreme temperature & humidity and high wind of more than 25 knots.
06
Confined Space
Doc No: SA-JER-PIAAA-PIJQ-502543
Title:
Rev 00
METHOD OF S TATEMENT FOR GENER AL EXCAVATION AND BACKFILLING
Page 2 of 10
PORT TANK FARM & LOADING FACILITIES (PACKAGE-9)
07
Equipment
08
Shoring
Doc No: SA-JER-PIAAA-PIJQ-502543
Title:
Rev 00
METHOD OF S TATEMENT FOR GENER AL EXCAVATION AND BACKFILLING
