The operations of RHD are carried out through seven Zonal offices which manage and execute operational works at the field level through Circle, Divisional and Sub-Divisional offices. The Zonal offices supervise 16 Circle operational offices which in turn control 65 Divisions, and 131 Sub-divisions. Each Zonal office is headed by an Additional Chief Engineer who represents the Chief Engineer and oversees all development and maintenance works within the Zone.

The objective of the Zonal offices is to ensure works programmes are carried out according to standardized procedures and that the budgets are spent effectively and appropriately ensuring quality during all phases of construction.

The main outputs of the Zonal Offices are:

a) To ensure that administration and management of the Zonal operations are carried out efficiently.

b) To propose and coordinate, with the appropriate HQ Circles, annual work programmes for maintenance and development.

c) To ensure effective maintenance of roads and bridges through operations and division and sub-divisional levels.

d) To ensure completion of development works of roads and bridges through operations and division and sub-divisional levels.

e) To monitor foreign aided projects within the jurisdiction of each Zone.

f) To coordinate Mechanical activities including equipment and ferries with the Zonal Mechanical Circles.

g) To ensure that updated accurate accounts are available.

The Zonal Operations consists of seven Zones each headed by an Additional Chief Engineer. The total proposed staffing for the all the Zones 4,517 persons comprising 308 Class I officers, 575 Class II officers, 2,062 Class III and 1,572 Class IV staff. The detailed figures are shown on the attached sheet.

The main activities of the Wing and its circles are summarised below:

a) Compile, analyse and summarise field activity reports from all the circles within the Zone into a consolidated progress report for the Zone.

b) Carry out all routine and periodic maintenance works through the dedicated teams.

c) Carry out all normal development works through dedicated teams.

d) Implement foreign aided projects attached to the Zone.

e) Assist the Head Office HDM and Bridges Circles in carrying out surveys on the condition of roads and bridges.

f) Coordinating the operation of plant, equipment and ferries in the field through the Zonal plant pools and in cooperation with the Mechanical SEs.

g) Conduct flood damage and other emergency surveys and carry out emergency works as required.

h) Maintain all accounts and prepare annual budgets.