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| KIAMBU HOUSE |
Author: A4KENYA
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Shuttering Slabs
I want to do the shutter for a 2 storey building. I have seen people using shuttering slabs which have already been cast instead of the traditional shuttering concrete that is done at once. Are the shuttering slabs recommended and cost effective?
By: Henry Kamau -
JOINT VENTURE FOR CONSTRUCTION OF HOUSES IN KENYA.
JOINT VENTURE FOR CONSTRUCTION OF HOUSES IN KENYA.
The concept of Joint Venture for construction of houses is relatively new in Kenya. This method works well for properties designed for sale.
HOW IT WORKS.
In a Joint Venture, the Land owner contributes the land as part of his/her contribution, then the Financier contributes finances for construction. The profits are then split on a pre-agreed ratio with the land owner usually getting over 50% of the net profits.ARCHITECTS AND PROJECT MANAGERS.
Architects and Project Managers can also agree to contribute their professional services as part of the Joint Venture and get paid at the end of the project when the profits are being split.
Here, most land owners and property developers are used to older methods of financing construction projects which involve raising capital by either selling of part of the land or borrowing a loan from a bank or both.
With the onset of Joint Venture concept, land owners can now be able to finance their construction more easily.ADVANTAGES.
1. The land owner reduces the risk associated with bank loan repayments such as sudden increase in interest payments which result to the project cost escalation.
2. Land owner is able to easily access funds for construction since he/she will not have to undergo the rigorous bank loan application appraisal process.
3. Land owner is able to tap resource and obtain services from consultants such as architects, engineers, quantity surveyors without having to pay initial consultancy fees since the consultants offer their services as part of the Joint Venture contribution.DISADVANTAGES.
Once the construction process starts, land in the general area of the construction increases in value. This increase in value is supposed to be well-captured in the Joint Venture contract so that the increase can be well-spread to all Joint Venture partners i.e. land owner, financier and consultants. This will avoid land issues such as the once recently witnessed between Suraya and the land owner in the Joint Venture.FINANCING OF JOINT VENTURES.
In Kenya, Shelter Afrique bank finances Joint Venture projects. For the projects to be eligible for the financing, a Feasibility study carried out by a registered architect, quantity surveyor or valuer must be present. This feasibility study should show critical minimums such as Return on Investment, target market and land value ratio to the total project cost. These critical features will be used to check if the project is viable for the joint Venture.CURRENT PROJECTS.
Everest park, along Mombasa road opposite KMC is funded on a Joint Venture by Shelter Afrique bank. It consists of 380 units and the total project cost is KES 1 Billion.ELIGIBILITY.
Land owners with prime land are encouraged to contact consultants who are willing to partner with them on eligibility for Joint Venture financing form Shelter Afrique. www.a4architect.com conducts feasibility studies for such land owners for Shelter Afrique bank to make their recommendations. You can get more detailed info by contacting the below:Arch. Francis Gichuhi Kamau
B. Arch U.o.N. MA.A.K.[A]
www.a4architect.com
info@a4architect.com
+254721410684 -
FOUNDATION COSTS -HOUSE AT RUIRU
Bill No. 1
SUBSTRUCTURES
(ALL PROVISIONAL)
MATERIALS LABOUR Clear new buildings area of all grass, weeds, shrubs, rubbish, bushes and the like and grub up all roots, tree stumps or similar obstructions and burn or cart away m2
100
32
3,200.00 – 3,200.00 – – Excavate to reduce levels commencing from stripped level m3
100
96
9,600.00 – 9,600.00 – – Excavate foundation trench depth not exceeding 1.5m commencing from reduced levels m3
100
96
9,600.00 – 9,600.00 – – – – Return, fill and ram selected excavated material around foundations. m3
100
64
6,400.00 – 6,400.00 – – Load and cart away surplus excavated material from site m3
100
176
17,600.00 – 17,600.00 – – 300mm Thick approved hardcore fill , handpacked, well rammed, watered and well compacted to Engineer’s direction and satisfaction m2
100
240
24,000.00 19,200.00 4,800.00 – – 30mm Thick murram blinding to surfaces of hardcore m2
100
40
4,000.00 3,200.00 800.00 – – Chemical anti-termite treatment executed complete by an approved specialist under a ten (10) year guarantee to surfaces of blinded hardcore m2
100
80
8,000.00 6,400.00 1,600.00 – – – – 1000 gauge polythene or other equal and approved damp proof membrane laid under surface bed with 300mm side and end laps (measured nett- no allowance made for laps) m2
100
60
6,000.00 4,800.00 1,200.00 – – – Mass concrete 1:3:6 (class 15/20) – – – – – – 50mm Thick under strip footings m2
5
240
1,200.00 960.00 240.00 – – – Ditto under column bases m2
1
240
240.00 192.00 48.00 – – – Vibrated, reinforced concrete (1:2:4) class 20/20 – – – – – – Strip foundations m3
12
5360
64,320.00 51,456.00 12,864.00 – – – Column bases m3
0
5360
– – – – – – Columns m3
0
5360
– – – – – – Steps m3
0
5360
– – – – – – 150mm Thick ground floor slab m2
100
804
80,400.00 64,320.00 16,080.00 – – – Extra over 150mm slab for thicknessing 800mm wide and 125mm thick including forming hardcore and any necessary formwork m
2
560
1,120.00 896.00 224.00 – – – Steel wire fabric mesh reinforcement to B.S. 4483 Ref: A142 in concrete bed (measured nett-no allowance made for minimum of 225mm laps) including tying and supporting as required m2
100
188
18,800.00 15,040.00 3,760.00 – – – Mild steel rod reinforcement to B.S. 4449 and K.S. 02-22.1976 – – – – – – 8mm Diameter bars Kg
600
70
42,240.00 33,792.00 8,448.00 – – Square twisted mild steel reinforcement to B.S. 4461 and K.S. 02-22:1976 – – – – 10mm Diameter bars Kg
1
70
– – – – – 12mm Diameter bars Kg
1
70
– – – Sawn timber formwork – – – – Sides of strip foundations m2
2
240
– – – – – Sides of steps m2
2
240
– – – 0
– – Edge of slab exceeding 75mm but not exceeding 150mm high m
60
36
2,160.00 1,728.00 432.00 – – Natural coursed stone obtained from an approved quarry, jointed and bedded in cement and sand (1:3) mortar – – – – 200mm Thick walling m2
114
720
82,080.00 65,664.00 16,416.00 – – 12mm Cement and sand (1:3)render on stone or concrete plinths m2
10
144
1,440.00 1,152.00 288.00 – – Prepare and apply two coats black bituminous paint to rendered concrete or stone surfaces m2
10
144
1,440.00 1,152.00 288.00 – – Total Carried to Summary 383,840.00 269,952.00 113,888.00 – – -
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