METHOD STATEMENT
PROPOSED METHOD STATEMENT FOR THE CONSTRUCTION OF A 200,000 GALLONS TANK AT LA-PALM BEACH HOTEL (ACCRA) MOBILIZATION ON
i.
Set up site office.
SITE
ii.
Install temporal power.
iii.
Install temporal water services.
SOIL TEST
iv. Set line and grade benchmarks. Trial pit excavation and measured points for design and construction methods.
MIX DESIGN
Trial mix is prepared for strength determination of available materials: for 1:2:3- 1:2:4 mix ratio.
CLEARING , HOARDING
Site is cleared and prepared for excavation to tank base pit and
& EXCAVATION
pad foundation to columns.
TIMBERING/SHORING
Faces of walls of pit are timbered or shored if necessary.
SURFACE TREATMENT
Base of excavated pit is compactor and blinded with 50mm thick
1ST FORMWORK
weak concrete. Faces of base slab and wall kicker up-stand are shuttered as edge timber at about 1000mm high.
REINFORCEMENT
i. Starters for pad foundation and columns are fixed and cast to
1st and 2nd Fixing
base slab blinding level. ii. The base slab reinforcement are fixed with the fixing of the starter bars at the external wall. iii. The Waterbar is fixed in the wall starters at a distance 400mm from the top of the base slab by welding it to the walls starter
CONCRETING
bars. [Pre-mixed concrete is preferred] i. About 100m³ of concrete is poured for the base slab including
1st Pour
thickening at the wall base and the up-stand for the water bar. Concrete will be cast and vibrated continues at a goal. ii. After the base slab is poured and dressed the internal
nd
2
Form
formwork to the wall thickening and up-stand for the water bar is fixed. Concrete is cast while base is still green to maintain a monolithic bonding.
CURING
i.
Curing starts whilst casting progresses with wet Hessian sack over finished areas.
ii. PROFCON LTD
Curing continues the next day with wet sand spread on P. O. BOX KS 8407, KUMASI,
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1
METHOD STATEMENT
the slab and made wet as it dries to avoid rapid drying rate. COLUMNS 3rd Fixing
i. Continuation bars are erected.
3rd Form
ii. Formworks to columns are fixed.
2nd Pour
iii. The concrete is then placed.
WALLS th
i. Internal formwork are erected.
4 Form
ii. Reinforcement to wall are fixed.
4th Fixing
iii. External formwork to close wall are erected
3rd Pour
iv. Placing concrete to walls is done in one lift.
ROOF SLAB & BEAMS 5th Form th
5 Fixing
i. Formwork for roof slab & beams are erected. ii. Fixing of slab and beams reinforcement. iii. Casting of concrete to slab & beams.
4th Pour Formwork is removed 21 days after casting of concrete STRIKING OF FORM All necessary Pipeworks and installation of pipe fittings are fixed. PLUMBING INSTALLATION Pumps, control panels and all other electrical installation will be ELECTRICAL INSTALLATION TESTING
executed. The system will be disinfected and tested to rectify any defects before it starts full operation. The site is cleaned of debris and made good of any damage caused
FINAL CLEAN UP FINAL INSPECTION & HANDING OVER
during construction. The client and the contractor take the last inspection and the facility is handed over.
LOGISTICS ALTERNATIVE A PROFCON LTD
P. O. BOX KS 8407, KUMASI,
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METHOD STATEMENT
i. 3 No. Transit Mixer– 6m ³ ii. 25 ton Crane with – 1m ³ bucket iii. 3 No. – Poker-Vibrator iv. Scaffolding ALTERNATIVE B
i. 2 No. Transit Mixer (S.L) – 3m³ ii. 10 Wheel Barrow iii. 3 No. – Poker Vibrator iv. 1 No. – 0.75m³ Concrete Mixer v. Scaffolding.
PROFCON LTD
P. O. BOX KS 8407, KUMASI,
[email protected]
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