Job Safety Analysis Form Hydrotest

JOB SAFETY ANALYSIS FORM SEQUENCE OF BASIC ACTIVITY STEPS/ PRESSURE LEAKAGE TEST 1) Check pipe length 2) Check mech. joints & pipe joints

POTENTIAL HAZARD Trip hazard Trip hazard

3) Check manual pump 4) Inject water pressure w/ manual pump 5)Water pressure established, repeat #2 procedure 6) Check end caps 7) Release of water pressure

Parts defect/ Malfunction Bursting of rubber hose Bursting of main pipes body and its joints Detachment where installed Hit by pressurized water

HAZARDS CONTROL Watch your steps Proper handling of tools

RESPONSIBLE PARTY Site supervisor Site supervisor

Follow safety procedure for small tools requirement inspection Site supervisor Pump gradually/ constant observation Site supervisor Initial backfill of trench Secure support/ tightly installed Complete PPE suits and stand clear

Site supervisor Site supervisor Site supervisor REVISION:

Concrete Batching Plant Requirements Description 1) Design Mix 20N/mm2 or 3000 psi ( 28 days ) 2) Design Mix 28N/mm2 or 3500 psi ( 28 days ) 3) Test Certificate a. Cement b. Sand c. Gravel stone d. Water e. Admixture 4) Batching plant calibration certificate 5) Testing equipment calibration certificate 6) Concrete cylinder sample a. 3000 psi ( 28 days ) b. 3500 psi ( 28 days )

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Note: All of the above, need to be submitted today to CTJV

MANHOLES TABULATED DATA Description Manholes # 1 Manholes # 2 Manholes # 3 Manholes # 4 Manholes # 5 Manholes # 6 Manholes # 7 Manholes # 8 Manholes # 9 Manholes # 10 Manholes # 11

SURVEY ORDINATES Northing Easting

Top wall Bottom slab Wall & slab finished elev finished elev. Thickness

Height ( meters )

Width x 2 Width x 2 ( outside-mtrs ( inside ) -mtrs )