: Sharp surges in copper, aluminum, or PVC steel costs post-2021 can distort project economics when compared against rigid schedule rates.
Supply and laying of armored and unarmored LT (Low Tension) and HT (High Tension) cables in trenches, on walls, or through poles.
One of the most significant updates in the 2021 edition is the seamless integration of the Goods and Services Tax (GST). The rates provided within the document inherently account for the impact of GST on works contracts, minimizing the need for manual retroactive adjustments during basic tendering. 3. Compliance with CPWD Specifications
Uploaded by * 1.0 WIRING. * 2.0 BOARD & DBs. * 3.0 EARTHING. * 4.0 LIGHTNING CONDUCTOR. DSR 2021-Vol-2.pdf cpwd dsr electrical 2021
: Heat-shrinkable jointing systems for linear path continuity. 3. Power Substations & Transformers
Governs the transmission of electrical energy from external source nodes to the primary building distribution network.
During project execution, work is measured according to the standard units specified in the DSR (meters, numbers, or kilograms). These measurements are recorded in the Measurement Book (MB) to release progressive payments. : Sharp surges in copper, aluminum, or PVC
The 2021 edition supersedes previous versions (e.g., 2014, 2016). CPWD generally revises DSR every 2–3 years to reflect market price changes.
: Specifies structural protection parameters, including copper tape networks, testing joints, and specialized lightning masts.
The CPWD DSR Electrical 2021 serves as a benchmark for determining the financial viability of public works. By providing a uniform schedule of rates, it eliminates arbitrary pricing and ensures transparency in the bidding process. The primary objectives of the 2021 edition include: The rates provided within the document inherently account
: Expands coverage of energy-efficient Bureau of Energy Efficiency (BEE) star-rated equipment.
Rates for high-tension (HT) and low-tension (LT) XLPE cables, excavation of trenches, sand cushioning, protective tiling, and cable jointing kits.