METHOD STATEMENT RCC PARAPET WALL · M-25

published on
Arshavtar.in by Er. Kuljit Singh
REVIEWED BY
SIGNATURE
DESIGNATION
DATE
PREPARED BY
SIGNATURE
DESIGNATION
DATE
PARAPET WALL CONCRETE (M-25)
1.1 Scope Of Work

This methodology will explain the procedure for doing the RCC Parapet wall.

1.2 Quality

Approximate 12 m³.

1.3 Reference Drawing

As applicable to respective Structure – Layout & RCC Details of Terrace Slab and Beams for Control room, drg IN1024-01UAB-&C1.H060-711637 Rev- D (1 of 3).

1.4 Sub Contractor

Approved Agency

1.5 Average Rate Of Progress

The progress will be as per requirement.

1.6 Methodology
Drilling & reinforcement
  • Drilling of holes for 10mm dia reinforcement at 150mm c/c.
  • Depth of drilling: 100mm; fix with H1LT1 Chemical HY-150.
  • Vertical bars placed; one side 8mm dia binder @150 c/c as per drawing.
Formwork & concreting
  • Formwork on one side with proper staging; brick wall acts as other formwork.
  • Stage-by-stage concreting carried out slowly with Boom Placer.
1.7 Detail of Temporary Services

⚡ Power supply: Generators for lighting in General shift (8:00 Am to 8:00 Pm).
💡 Lighting: Halogen & lighting mast.

1.8 Resources Planning
Note & Tools

Actual resource plan (tools & manpower) reviewed & finalized by site in-charge.

Item DescriptionQuantityRemarks
Mechanical Tool Kit
Spanner Set / Torque Wrench
Guide rope
Spades, digging bars etc
Cherry Picker or 4 Wheel Ladder
Ladders
Electrician Tool Kit
Gas Filling and Evacuation Kit
B. Manpower
TypeName of manpowerQuantity
1Engineer
2Safety Officer/Engineer
3As Required
4Safety Supervisor
5Electricians
6Supervisor
7Labor
1.9 Risk Assessment

Attached – see separate JHA / risk register.

1.10 Authorization

Site In charge responsible for installation & commissioning.
Site Engineer supervises construction activities and workmen.
Quality Manager responsible for overall quality (supply, erection, testing).

🧪 CONCRETE GRADE M-25 (1:1:2) – PROPORTIONS & WEIGHTS
M-25 mix per cubic metre (SSD condition)
MaterialRatioWeight (kg/m³)Remarks
Cement (OPC 43/53)1425 – 450~8.5 bags
Fine Aggregate (Coarse sand)1550 – 620Zone II
Coarse Aggregate (20mm & 10mm)21150 – 125060% 20mm + 40% 10mm
Water0.45190 – 200 ltrw/c ratio ≤0.45

* Typical design mix (IS 456) – actual may vary by source. Fine aggregate = coarse sand (zone II).

Material for 1 m³ M-25 (by weight approx)

🔹 Cement : 425 kg
🔹 Coarse sand (fine agg) : 600 kg
🔹 Coarse aggregate (20mm down) : 1200 kg
🔹 Water : 190 litres

(proportion 1:1.4:2.8 approx · standard 1:1:2 by volume)

Labour output for RCC parapet (per 8h)
ActivityOutput (mason + helper)
Rebar fixing (kg/day)80–120 kg
Formwork erection (m²)8–12 m²
Concreting (including vibrator)3–5 m³

TOOLBOX TALK RECORDS

Date:
MSRA
Name
Signature
Date
Toolbox talk carried out by:
A completed copy of tool box talk must be sent to the EM TS EHS Manager.

Er. Kuljit Singh · Arshavtar.in