However, the ‘pre construction’ also has various subcategories to it:
survey
DR4 offers an extensive range of construction survey services. Implementing only the best technology, commercial and industrial construction of buildings and structures, working closely with our clients.
- Survey and Aerial Data survey, Demarcation survey
- LiDar and Total Station survey methods
- Stakeout survey
- Civil surface works (site grading, concrete for structures, curbs and flatwork)
- High precision surveys and control networks As-built Survey
- Structure Survey Control Points (high accuracy & precision with quality & assurance)
- Quantity surveying
- Stockpile Surveys
- Drone Surveys for aerial data
LAYOUT MAPPING
Accurate, authentic and cost-effective construction layout is vital to the success of any construction project. layout services offer the builder thorough location details. Utilizing Trimble Robotic Total Station, DGPS, and our highly trained staff we can cater to the specific needs of the GC/CM. Our team of professionals will guide you the right way in selecting the right layout as per the regulation and guidelines, design and every other detailing that goes into it.
Planning & Scheduling
Planning is the process a construction manager uses to foresee how they will manage and execute a project, design to building completion. Consider DR4 for all your land and construction planning services- a company with extensive domain knowledge.
Architectural and Structural design
The Architectural and Structural design phase is believed to be an important phase in setting up the foundation an already envisioned project. DR4, offers clients complete architectural and structural design assistance, in almost any project.
Permissions
Permission is considered to be another important step in the ‘pre-construction’ phase. DR4 performs all the malities be it quality control inspections, checks, approval of the technical submittals or ascertaining that the project gets delivered by the stipulated time, with sheer professionalism.

RERA Services
RERA or The Real Estate Regulation and Development Act is deemed to be an important aspect in the tion phase of a project. DR4’s Chairman being the former RERA Chairman has a competitive edge over its contemporaries. with industry-intensive knowledge and a team of experts, we are here to help you with all your compliance ordeals..
Equipment
There are various heavy-duty construction equipment that remains imperative in the pre-construction phase them concrete-batch mixers, excavators and dozers hold a place of significant importance.