(7)(a)for the maintenance and protection of the drainage system;(b)for the construction of house drains and for regulating their situation, mode of construction materials;(c)for the alteration and repair of house drains;(d)for the cleaning of house drains;(e)for the construction of cess-pools, septic tank filters and drains,(f)for the payment or appointment of money payable on account of pipes or drains common to more premises than one;
