QA/QC  › Method Statements  › Piling Method Statement
Form · QC-MST-FRM-002
Piling Method Statement
28 checkpoints across 8 sections. Before starting the activity — submit to consultant for approval
28 Checkpoints
8 Sections
Per activity, per project
Contractor PM, QA/QC Engineer

Checklist Preview

S.No.CheckpointIS RequirementStatus
A. SCOPE & REFERENCES
A1Scope defined: pile type (bored/driven), diameter, length, load capacity, number of piles
Acceptance: Pile schedule prepared; co-ordinates, cut-off level, toe level, design capacity listed
Cl. 1 — Scope
OK
NC
NA
HOLD
A2References: IS 2911, IS 14593 (rock socketing), IS 5121 (safety), GFC drawings, soil report
Acceptance: Approved drawings, pile design calculations, geotechnical report available on site
Cl. 2 — References
OK
NC
NA
HOLD
A3Initial/trial pile load test completed per IS 2911 Part 4 before production piling
Acceptance: Test load = 2.5× safe working load; settlement limits met; certificate issued by consultant
Cl. 7 (Part 4) — Initial load test
OK
NC
NA
HOLD
B. MATERIALS & EQUIPMENT
B1Piling rig mobilised: hydraulic rotary/DMC rig with adequate torque; calibration certificate valid
Acceptance: Rig capacity suits pile dia/depth; operator licensed; daily maintenance log maintained
Cl. 5 (Part 1) — Equipment
OK
NC
NA
HOLD
B2Concrete M35 design mix approved; minimum OPC 400 kg/m³; slump 150-180 mm for tremie
Acceptance: Mix design approved; slump at pour 150-180 mm; 6 cubes per pile cast for testing
Cl. 6.5 (Part 1) — Concrete quality
OK
NC
NA
HOLD
B3Reinforcement cage fabricated per BBS; spacers, chairs, helical ties per drawing
Acceptance: Cage dimensions ±25 mm; cover 75 mm; spacers at 2 m c/c; lifting hooks provided
Cl. 6.4 (Part 1) — Reinforcement
OK
NC
NA
HOLD
B4Bentonite/polymer slurry prepared; density, viscosity, pH tested before use
Acceptance: Density 1.03-1.10 g/ml; Marsh viscosity 30-50 sec; pH 9.5-12; sand content <4%
Cl. 6.2 (Part 1) — Stabilising fluid
OK
NC
NA
HOLD
C. SITE PREPARATION / PRE-REQUISITES
C1Working platform levelled, compacted; min 300 mm PCC/granular for rig stability
Acceptance: Platform CBR >5%; compacted granular ≥300 mm; no soft/saturated areas
Cl. 6.1 (Part 1) — Working platform
OK
NC
NA
HOLD
C2Pile points surveyed and marked; reference pegs offset from pile centre for check
Acceptance: Co-ordinates verified; offset pegs at 1.5 m; tolerance ±50 mm joint-signed
Cl. 6.3 (Part 1) — Setting out
OK
NC
NA
HOLD
C3Underground utilities cleared; overhead clearance for rig mast confirmed (min 3 m from HT lines)
Acceptance: Utility drawings verified; NOC obtained; electrical clearance per IE Rules
Cl. 4 — Safety clearances
OK
NC
NA
HOLD
Showing 10 of 28 checkpoints ·
A. SCOPE & REFERENCES
A1Scope defined: pile type (bored/driven), diameter, length, load capacity, number of piles
Cl. 1 — Scope (IS 2911)
Pile schedule prepared; co-ordinates, cut-off level, toe level, design capacity listed
OKNCNAHOLD
A2References: IS 2911, IS 14593 (rock socketing), IS 5121 (safety), GFC drawings, soil report
Cl. 2 — References (IS 2911)
Approved drawings, pile design calculations, geotechnical report available on site
OKNCNAHOLD
A3Initial/trial pile load test completed per IS 2911 Part 4 before production piling
Cl. 7 (Part 4) — Initial load test (IS 2911)
Test load = 2.5× safe working load; settlement limits met; certificate issued by consultant
OKNCNAHOLD
B. MATERIALS & EQUIPMENT
B1Piling rig mobilised: hydraulic rotary/DMC rig with adequate torque; calibration certificate valid
Cl. 5 (Part 1) — Equipment (IS 2911)
Rig capacity suits pile dia/depth; operator licensed; daily maintenance log maintained
OKNCNAHOLD
B2Concrete M35 design mix approved; minimum OPC 400 kg/m³; slump 150-180 mm for tremie
Cl. 6.5 (Part 1) — Concrete quality (IS 2911)
Mix design approved; slump at pour 150-180 mm; 6 cubes per pile cast for testing
OKNCNAHOLD
B3Reinforcement cage fabricated per BBS; spacers, chairs, helical ties per drawing
Cl. 6.4 (Part 1) — Reinforcement (IS 2911)
Cage dimensions ±25 mm; cover 75 mm; spacers at 2 m c/c; lifting hooks provided
OKNCNAHOLD
B4Bentonite/polymer slurry prepared; density, viscosity, pH tested before use
Cl. 6.2 (Part 1) — Stabilising fluid (IS 2911)
Density 1.03-1.10 g/ml; Marsh viscosity 30-50 sec; pH 9.5-12; sand content <4%
OKNCNAHOLD
C. SITE PREPARATION / PRE-REQUISITES
C1Working platform levelled, compacted; min 300 mm PCC/granular for rig stability
Cl. 6.1 (Part 1) — Working platform (IS 2911)
Platform CBR >5%; compacted granular ≥300 mm; no soft/saturated areas
OKNCNAHOLD
C2Pile points surveyed and marked; reference pegs offset from pile centre for check
Cl. 6.3 (Part 1) — Setting out (IS 2911)
Co-ordinates verified; offset pegs at 1.5 m; tolerance ±50 mm joint-signed
OKNCNAHOLD
C3Underground utilities cleared; overhead clearance for rig mast confirmed (min 3 m from HT lines)
Cl. 4 — Safety clearances (IS 5121)
Utility drawings verified; NOC obtained; electrical clearance per IE Rules
OKNCNAHOLD
Showing 10 of 28 ·
Inspection Sign-Off
APPROVED
APPROVED WITH CONDITIONS
REJECTED — NCR RAISED
Remarks
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Prepared By
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Approved By
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