3 Story house at Rathnayake Mawatha, Pelawatta.

An Elegant Architectural design by Chartered Architect Amila Ruwan Liyanapathirana for a calm and quite inside road at the busy premises of Pelawatta, Battaramulla. 

3 Floor housing unit has designed with maximizing the open spaces such as balconies and lobbies. The design has  atwo unit car parking area next to a ramping floor in order to maintain the level differences with the road. Living and dining are connected together with a larger area and also connected visually wth the swimming pool in the garden via glass facades. Two small storage rooms are provided for motor equipment storing and also for general purpose storing next to car park. In the ground floor Kitchen  is located next to dining together with the dirty kitchen in outside. Servant's room is also attached next to the dirty kitchen area. An outside toilet and a common toilet facility is provided in the ground floor. 

In the first floor family living and tv lobby are interconnected without providing partitions in between them. First floor is designed with three larger bedrooms together with Master bed room and a larger powder room is provided for the shower area with closets and other facilities. For all the three rooms open balconies are provided in order to provide a maximized ventilation system. A study room is also provided in the first floor, next to master bed room. 
Second floor is consisted with a larger open terrace area for a ceremonial purpose and also with a Gym. Another slab is provided as the roof for the terrace and gym and it is also utilized for the water tank storage. 

The structural design is done by Chartered structural engineer, Isuru S. Amarasena. Subsoil was consisted with a small layer of filled transported soil and pad foundations were placed under that layer by going to a minimum depth of 3 feet in to the ground. 6 feet x 6 feet pad footing with a thickness of 15 inches had to be used for the maximum loaded column foundation in the middle of the house. This happened because of larger spans , three floor slabs and heavy loads on that. There also were minimum size footings such as 3 feet by 3 feet pads and 3.5 feet by 3.5 feet pads as well. All the columns are tied very well in the ground floor using 9 inch by 9 inch tie beams with 4 number of T12 reinforcement bars in order to improve the robustness of the structure and also to avoid any kind of differential settlement due to unforeseen differences of the soil parameters. Though the spans are a bit larger we were able to manage the beam sizes only with 9"x12" and 9"x14" sized floor beams by adjusting the reinforcement bar requirements. All the columns were 9"x9" in size and for few of them 4T16 bars were used for vertical reinforcements and for the others 4T12 bars were adequate according to the structural design. a 3D modal was developed for structural purposes using Etabs and according to the results of them, a relatively  economical design outcome appeared. 

Below shown are few photos taken during the construction stage.