7. Subject to the provisions of Part III, whenever it shall appear to the Engineer that any of the following acts should be done or works (including any work of repair) executed, that is to say:

(1) that any embankment which connects public embankments, or forms by junction with them part of a line of embankments, or that any embankment or water course which is necessary for the protection or drainage of the neighbouring areas, should be taken charge of and maintained by the Government or the Authority;

(2) that any embankment which connects public embankments or forms by junction with them part of a line of embankments or is necessary for the protection of the neighbouring areas, should be repaired;

(3) that any embankment, or any obstruction of any kind, which endangers the stability of a public embankment or the safety of any town or village, or which is likely to cause loss of property by interfering with any water course or with the general drainage or the flood drainage of any tract of land, should be removed or altered;

(4) that the line of any public embankment should be changed or lengthened, or that any public embankment should be renewed, or that a new embankment should be constructed in place of any public embankment, or that any embankment should be constructed for the protection of any lands or for the improvement of any water-course, or that a sluice in any public embankment should be made;

(5) that any sluice or water course should be made, or that any water course should be altered for the improvement of the public health, or for the protection of any village or cultivable land;

(6) that any road which interferes with the drainage of any tract of land should be altered, or that any water course under or through such road should be constructed;

he shall prepare or cause to be prepared estimates of the cost of such works, including such proportion of the establishment charges as may be chargeable to the works in accordance with the prescribed rules or as may be specially directed by the Government or the Authority, together with such plans and specifications of the same as may be required. He shall also prepare or cause to be prepared from the survey map of the district, a map showing the boundaries of the lands likely to be benefited or affected by the said acts and works, and he shall issue a general notice of his intention to execute or cause to be executed such works.