SIDP consists of a zonal office headed by Chief Engineer. The office of the Chief Engineer (SIDP) is located at Mowb-II, Itanagar. The organisational setup of the zone consists of
- Three field Circles headed by Superintending Engineers and one Planning Circle headed by a Superintending Surveyor of Works,
- These Field Circles has Thirteen field divisions and One independent sub division under its administrative and financial control,
- The Planning Circle (SSW unit) has two Planning Divisions which deals with building and road works respectively and,
- One Superintending Engineer (Headquarter).
(vii) Chief Engineer ( Survey, Investigation , Design & Planning )
The Chief Engineer ( SID & P) is assigned with the work of relevant survey and investigation for design, design and proof checking of design of structures for construction under PWD, standardization of design matters of bridge and other structures and planning activities under APPWD. The office of Senior Architect, PWD is functioning under administrative control of the Chief Engineer ( SI&D), PWD.