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Providing and fixing 50 mm thick extruded polystyrene rigid insulation board of required size underdeck on ceiling surface, complying with ISO 4898:2008 & ASTM C 578-08b - type VI, having thermal conductivity of 0.0289 W/m K as per ASTM C 578 (measured as per IS 3346), compressive strength of > 350 kPa listed as per ASTM D 1621, density of 34-36 kg/cum as per ASTM D 1622, water absorptions ≤ 1% by volume as per ASTM D 2842, oxygen index of 24.1 to 28.1 listed as per ASTM D 2863, cell size 0.4 mm of dia (max) as per ASTM D 3576. Fire retardent property as per DIN 4102, Part 1 of class B2 and as per ASTM E84 class A, fixed with suitable water based adhesive and fastener, complete in all respect as per the direction of Engineer-in-Charge

Item number
26.8
Analysis basis
10 Sqm
Priced inputs
5
Derived rate
₹1,091.65/ SQM
D-01/RATE ANALYSISITEM 26.8

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 26.8 (Providing and fixing 50 mm thick extruded polystyrene rigid insulation board of required size underdeck on ceiling surface, complying with ISO 4898:2008 & ASTM C 578-08b - type VI, having thermal conductivity of 0.0289 W/m K as per ASTM C 578 (measured as per IS 3346), compressive strength of > 350 kPa listed as per ASTM D 1621, density of 34-36 kg/cum as per ASTM D 1622, water absorptions ≤ 1% by volume as per ASTM D 2842, oxygen index of 24.1 to 28.1 listed as per ASTM D 2863, cell size 0.4 mm of dia (max) as per ASTM D 3576. Fire retardent property as per DIN 4102, Part 1 of class B2 and as per ASTM E84 class A, fixed with suitable water based adhesive and fastener, complete in all respect as per the direction of Engineer-in-Charge) is derived from 5 priced inputs for 10 Sqm and works out to ₹1,091.65 per sqm after water charges, GST, CPOH and cess. The full build-up is below.

NOTES
  • including 2% wastage
ANALYSIS OF RATES · ITEM 26.8DETAILS OF COST FOR 10 SQM
CodeTypeInputUnitQuantityRate (INR)Amount (INR)
8561MATExtruded polystyrene rigid insulation board 50 mm thicksqm10.2610.006,222.00
0111LABCarpenter 1st classday0.5897.00448.50
0128LABMateday0.5816.00408.00
0114LABBeldarday0.5736.00368.00
9999MATSundries (Water based adhesive, fasteners, scaffolding etc.)L.S.1002.27227.00
BUILD-UP TO RATE
TOTAL
7,673.50
Add 1 % Water charges on “W”
+76.74
TOTAL
7,750.24
Add GST on “X” (multiplying factor 0.2127)
+1,648.48
TOTAL
9,398.72
Add 15% CPOH on “Y”
+1,409.81
TOTAL
10,808.53
Add Cess @ 1% on “Z”
+108.09
Cost of 10 sqm
10,916.62
Cost of 1 sqm
1,091.66
SAY
₹1,091.65
D-02/SOURCEPRINTED PAGE 1919
PUBLISHED BY
Central Public Works Department (CPWD)
EDITION
DAR 2023 · Delhi
EFFECTIVE
2023-09-14Both volumes are dated 14 September 2023 on their title pages.
RETRIEVED
2026-09-08
GST
18%, added in each item's build-up
PRINTED PAGE
1919

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1919. For reference only. CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.

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