Details specific guidelines and pricing metrics for copper plate earthing, GI pipe earthing, and modern chemical gel-based maintenance-free earthing infrastructures. 4. Power Cables and Trays
: Transformers, switchgears, and panels.
: Used by most government departments and PSUs to set the "Justified Rate" for evaluating contractor bids.
Provisioning and installation of passenger and service elevators, including safety mechanisms. How to Apply the DSR 2021
: Calculate the total structural quantities needed from the architectural and electrical blueprints.
was established (with reference to the 2020 Plinth Area Rates) to allow for localized price adjustments across different regions. Why This Edition Matters
Each item rate includes:
: Dedicates sections to underground cabling, standard cable jointing kits, laying methods (direct in ground, pipes, or trenches), and street lighting installations. Key Financial Base Parameters
: Cost distribution for Miniature Circuit Breakers (MCBs), Residual Current Circuit Breakers (RCCBs), and modular distribution boards.
: Add the standard percentages defined in the DAR for minor equipment, sundries, and manual tools (typically evaluated between of the core material costs). Account for Water Charges : Append
Standard rates for poles (RCC, steel tubular), conductors (ACSR), stay assemblies, and lightning arrestors. 3. Switchgears and Distribution Boards
Traditional fluorescent and incandescent lamps were largely phased out in favor of energy-saving LED specifications.
: Adopted from the minimum wages effective from April 1, 2021, issued by the Government of Delhi or Government of India, whichever is higher.
For professionals working on long-term contracts, these indices are crucial. They are used to calculate price escalation for items under , protecting the contractor from volatile market prices for materials like copper (for cables) and steel.
