Page 1 of 13 UNIVERSITY OF NAIROBI SCHOOL OF THE BUILT ENVIRONMENT PORTFOLIO PROPOSED HOTEL IN WESTLANDS SITE ANALYSIS, DESIGN BRIEF AND CASE STUDY Prepared by: OGEGA DOUGLAS OKIOMA BACHELOR OF CONSTRUCTION MANAGEMENT B76/3341/2010 FEBRUARY 2014 Page 1 of 13
Page 2 of 13 PROPOSED HOTEL ON PLOT LR 4953/1980 Site analysis LOCATION The land is in Westlands approximately 10 kilometers from the central business district. Its proximity to the city will ensure adequate provision of services and accessibility. NEIGHBOURHOOD The site is located in Nairobi County. The neighborhood includes high executive offices for instance Safaricom Kenya headquarters and above average residential houses. The area is characterized by numerous upcoming commercial projects and majority of which have been completed in the near past for instance the west end towers. The area is also home to various malls for instance the Sarit centre. PHOTO: safaricom customer care westlands PHOTO: newly built office along waiyaki way Page 2 of 13
Page 3 of 13 PHOTO: delta towers westlands PHOTO: neighboring residential buildings SIZE AND ZONING The site is approximately two acres in size. The ground coverage ratio should be 35% and plot ratio is estimated at 80%. Types of developments allowed are commercial, residential, hotels offices and high-rise flats. The height is restricted by plot ratio. LEGAL OWNERSHIP The proposed development site is on Plot LR No 4953/1980. The deed is held by a private body under the jurisdiction of the Government of Kenya Page 3 of 13
Page 4 of 13 TOPOGRAPHY The site is relatively flat. Existing features include small trees, bushes and grass. The soil is red soil with the bed rock 800 mm from ground. The site is currently fenced with a 2.4m boundary wall made of masonry on eastern side and barbed wire mesh on the west PHOTO: one boundary of the site with a mesh around it. Page 4 of 13
Page 5 of 13 PHOTO: red soil in site ACCESS TO THE SITE The site can be accessed through Mvuli lane joining Waiyaki way.mvuli lane is tarmacked and passes adjacent to the site PHOTO: waiyaki way Page 5 of 13
Page 6 of 13 UTILITIES Utilities include a metered water supply and available electricity connection point. There is a need for providing for a septic tank on site. CLIMATE The climate is moderate tropical with sunshine most of the year round and typical average temperature of 25 0C during the day, with the hottest period in January and February leading to the long rains and the coldest in July. The long rains season lasts from March and April to May and June. The short rains season is from October to November. The wind is localized. Due to the above factors the resort should therefore be placed in way that it uses the localized wind for cheaper air conditioning. The warm sunny climate should be utilized to provide manageable energy sources like the uses of solar. Some data as to the various climatic data around the site as sourced from the meteorological department include; Page 6 of 13
Page 7 of 13 Solar radiation intensity to site indicates that higher intensities are overhead and on the west side. Page 7 of 13
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Page 9 of 13 External works DESIGN BRIEF The access road and parking will be paved with cabro on a well compacted base. Landscaping will consist of Kikuyu grass serviced with automatic sprinklers supplied by collected rain water, trees, climbers and pot plants along the chain-link fence. Boundary walling will be done according to the architectural details Dustbins cubicles, storm water drainage, and other civil service works will be done as per the council regulations and building code. SUBSTRUCTURE Shall be strip foundation in reinforced concrete slab and masonry wall, hardcore fill and murram blinding. SUPERSTRUCTURE The superstructure comprises reinforced comprises reinforced concrete columns, beams and floor slab and masonry stone walling internally and externally. The roof covering is Portuguese clay tiles with polythene sheet underlay on timber trusses. Walling The wall will be dressed stone with key joints. External walling will be bush hammered on the exterior side and finished appropriately to suit the internal finishes required. Internal walling will be masonry and brick depending on location and purpose. Ruiru cut stone will be commonly used and plastered to provide appropriate finishing. All walling will be reinforced with 20 gauge hoop iron at every alternate course and laid over damp proof course. Hardwood skirting with parquet will be provided in other floor areas. Bituminous paint will be applied to plinths; emulsion paint will be applied to internal walling. Precast concrete and metal sections will form the balustrades at the balconies. Room Data Sheets for New Building The hotel will have the following spaces: 1. Gate and guard house 2. Manager and accountants office and reception 3. Bar area 4. Kitchen 5. Two conference halls 6. Backup generator room 7. Parking for at least 20 cars 8. Swimming pool 9. gym 10. Self-contained rooms all en-suite and private balconies 11. Lawn 12. Driveway Page 9 of 13
Page 10 of 13 13. Masonry walling with electric fence and climber plants 14. Water tanks 15. Washrooms for gents and ladies 16. Car wash 17. Changing rooms for staff AREA SPECIFICATIONS GATE AND GUARDHOUSE 10 SM Should serve the purpose of security and as the main entrance to the compound. House at least two people working in shifts The gate is of steel panels with rollers. Provide circular openings on the panels to serve both aesthetic and viewing purposes. The outside finish on the gate house wall should be of random round pebble stone fixes. MANAGER S OFFICE 10 SM Walling painted and plastered internally Casement windows and composite doors Painted and plastered ceiling Wall bracket and overhead lighting tiles floor finish Mahogany skirting ACCOUNTANT S OFFICE 10 SM Walling painted and plastered internally Casement windows and composite doors Painted and plastered ceiling Wall bracket and overhead lighting tiles floor finish Mahogany skirting RECEPTION 14 SM Walling painted and plastered internally Page 10 of 13
Page 11 of 13 Casement windows and composite doors Painted and plastered ceiling Wall bracket and overhead lighting Eurocore tiles floor finish Mahogany skirting BAR AREA 240 SM Walling painted and plastered internally Casement windows and composite doors Painted and plastered ceiling Wall bracket and overhead lighting tiles floor finish Mahogany skirting KITCHEN 72 SM The hotel will be provided with a kitchen. The floor finishes to the kitchen will be ceramic tiles. Provision of hot and cold water supply is necessary TWO CONFERENCE HALLS 170 SM each Can accommodate 150 persons each. fluorescent lights 600 mm ceramic tiles laid to pattern acoustic ceiling 3 meters BACK-UP GENENERATOR ROOM 15 SM internal walling should be fitted with the appropriate acoustics to reduce noise from the generator. PARKING 450 SM Accommodate a minimum of 20 cars made of cabro laid to pattern SWIMMING POOL 150 SM GYM 12 SM 600 mm tiles laid to pattern acoustic ceiling 3 meters SELF CONTANED ROOMS 22 SM Part of the external walling will be cladded with bushhammered walling and partly Page 11 of 13
Page 12 of 13 with full-height toughened glass. The floor will be finished with timber blocks and stairs leading to his floor will be made of first grade hardwood. Wet areas will be finished in marble. Have sliding doors leading to the extensive front balcony. There will be a balcony laid with waterproofing material and finished with clay quarry tiles Lawn 300 SM will consist of Kikuyu grass serviced with automatic sprinklers supplied by collected rain water, trees, climbers and pot plants DRIVEWAY Will be paved with cabro on a well compacted base. MASONRY WALLING 450 M Contain columns at intervals of 4 meters and extension joints after every 28 meters. The columns should be higher than the wall to provide support for the electric fence. The wall should have recess keying on both sides. Provide lighting mounted at the top of columns at intervals of two columns. WASHROOMS 24 SM for gents and 24 SM for ladies provided with ceramic tiles finishes on the floor and walls for a height of 1800 mm CHANGING ROOM 5 SM Walling painted and plastered internally Large casement windows with extended window boards. Painted gypsum ceiling Page 12 of 13
Page 13 of 13 Wall bracket and overhead lighting tiles floor finish Mahogany skirting and tiling to walls in wet areas Doors and Windows Internal doors will be mahogany panel doors. Windows will be aluminum top hinged windows and composite windows will be featured in the balconies. All ironmongery for internal doors shall be brass colour. Mahogany panelled doors will be varnished. CASE STUDY The case study for the hotel is a hotel in Thika town that was built for upper middle class in the area. The plans are as follows; Page 13 of 13