|| FERROCEMENT WATER
||RCC WATER TOWER
|| Self-weight of ferrocement water tower tank is about 60% less than that of RCC.
|| Self weight of RCC water tower tank is more than 250% that of ferrocement water tower tank.
|| Ferrocement being crack resistant material, it is very much durable with no repairs requirement up to 50years.
|| RCC is generally cracked section material. It is deteriorates after 15-20 years. Therefore itrequires early repairs.
|| Ferrocement has high strength to weight ratio.
|| RCC has much low strength to weight ratio as compared to ferrocement.
Cost of foundation of ferrocement water tower tank is less than that of RCC. Foundation of ferrocement frame is convenient on weak soil.
| Cost of foundation is higher than that of ferrocement. Weak soil requires costly foundation such as pilling or any other.
|| The surface of beams, columns, floors, have wire mesh reinforcement layers immediately below, by about 5mm.The wire mesh reinforcement is of small dia and at close spacing. Therefore it resists crack formation very efficiently. There are at least two layers of wire mesh.
|| There is no such arrangement in the case of RCC frame. RCC sections generally being cracked are vulnerable to atmospheric polluted gases entry. Therefore more prone to early deteriorations of reinforcements and spalling of concrete.
|| Ferrocement water tower tank does not require any waterproofing treatment.
|| Waterproofing of walls and floor has to be exclusively carried out.
|| The roof of Ferrocement water tower tanks is very much durable and the soffit does not deteriorate as in the case of RCC.
|| The soffit of RCC water tower gets deteriorated after 10-12years and if not attended immediately, the whole slab has to be re-casted.
||Earthquake and wind resistance
Ferrocement frame of water tower is very much ductile. The earthquake and wind forces are very low because the self weight of the ferrocement water tower tank is very low.
| In case of RCC water tower tank earthquake and wind forces are very high. Because of comparatively very high self weight.
||Life Cycle Cost
|| Life Cycle cost of ferrocement water tower tanks is very low as compared to RCC.
|| Life cycle cost of RCC frame is very high.
|| Cost of ferrocement water tower tanks is about 15% less than that of RCC.
|| Cost of RCC water tower tanks is about 20% more than that of Ferrocement.
|| The ladders/ staircase for water tower tanks shall also be constructed out of ferrocement, which is more durable with less/nil maintenance.
| The ladders of RCC water towers are generally made out of steel. These require regular maintenance. It may be required to be replaced if heavy deterioration.