CPWD Analysis of Rates · Structural Glazing Aluminium Composite Panel
Design supply & installation of suspended Spider Glazing system designed to withstand the wind pressure as per IS 875 (Part-III). The Suspended System held with Spider Fittings of SS-316 Grade Steel of approved manufacturer with glass panel having 12 mm thick clear toughened glass held together with SS316 Grade Stainless steel Spider & bolt assembly with laminated glass fins 21 mm thick. The Glass fins and glass panel assembly shall be connected to Slab/ beams by means of SS316 Grade stainless steel brackets & Anchor bolts and at the bottom using SS channel of 50x25x2mm using fastener & anchor bolts, non staining weather sealants of approved make, Teflon/ nylon bushes and separators to prevent bi-metallic contacts, all complete to perform as per specification and approved drawings. The complete system to be designed to accommodate thermal expansion & seismic movements etc. The joints between glass panels (6 to 8 mm) and gaps at the perimeter & in U channel of the assembly to be filled with non staining weather sealant, so as to make the entire system fully water proof & dust proof. The rate shall include all design, Engineering and shop drawing including approval from structural designer, labour, T&P, scaffolding, other incidental charges including wastage, enabling temporary services all fitting fixers nut bolts, washer, Buffer plates, fastener, anchors, SS channel laminated glass etc. all complete. For the purpose of payment, actual elevation area of Glazing including thickness of joints and the portion of Glass panel inside the SS channel shall be measured
- Item number
- 25.8
- Analysis basis
- Details of cost for 35.28 Sqm
- Priced inputs
- 13
- Derived rate
- ₹9,502.35 / sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 25.8 — Design supply & installation of suspended Spider Glazing system designed to withstand the wind pressure as per IS 875 (Part-III). The Suspended System held with Spider Fittings of SS-316 Grade Steel of approved manufacturer with glass panel having 12 mm thick clear toughened glass held together with SS316 Grade Stainless steel Spider & bolt assembly with laminated glass fins 21 mm thick. The Glass fins and glass panel assembly shall be connected to Slab/ beams by means of SS316 Grade stainless steel brackets & Anchor bolts and at the bottom using SS channel of 50x25x2mm using fastener & anchor bolts, non staining weather sealants of approved make, Teflon/ nylon bushes and separators to prevent bi-metallic contacts, all complete to perform as per specification and approved drawings. The complete system to be designed to accommodate thermal expansion & seismic movements etc. The joints between glass panels (6 to 8 mm) and gaps at the perimeter & in U channel of the assembly to be filled with non staining weather sealant, so as to make the entire system fully water proof & dust proof. The rate shall include all design, Engineering and shop drawing including approval from structural designer, labour, T&P, scaffolding, other incidental charges including wastage, enabling temporary services all fitting fixers nut bolts, washer, Buffer plates, fastener, anchors, SS channel laminated glass etc. all complete. For the purpose of payment, actual elevation area of Glazing including thickness of joints and the portion of Glass panel inside the SS channel shall be measured — is derived from 13 priced inputs for 35.28 Sqm and works out to ₹9,502.35 per sqm after water charges, GST, CPOH and cess. The full build-up is below.
- Description WD HT Nos Area
- (Sqm)
- Facade Area 7.00 5.04 1.00 35.28
- Fin Area 0.40 2.30 5.00 4.60
- (A) Spider Fitting
- (B) Local Hardware
- Vr. joints between glasses = 7x5.04=35.28 m
- Hr.joints between glass & wall =
- 2x7.00=14.00 mTotal=49.28 m
- (C) Glass Area
- with hole =7.00x5.04=35.28 sqm + 1.76 sqm
- (Add 5% Wastage)Total = 37.04 sqm
- = 5x2.30x.40=4.60sqm + 0.23sqm
- (Add 5% Wastage)Total = 4.83 sqm
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 8945 | 4 Point spider fittings of SS-316 grade with fin but without flat head bolt(c/c routel distance 200mm)4 Point facade glass bracket without flat head boltsMaterial | each | 5 | 3,650.00 | 18,250.00 |
| 8946 | 2 Point wall mounted spider fitting of SS316 grade without flat head bolt and anchor fastener (c/c routel distance 200mm)2 Point facade glass bracket (wall mounted with out flat head bolt)Material | each | 2 | 1,825.00 | 3,650.00 |
| 8947 | 1 Point wall mounted spider fitting of SS-316 grade without flat head bolt and anchor fastener (c/c routel distance 200mm)1 Point facade glass bracket (wall mounted with out flat head bolt)Material | each | 12 | 1,430.00 | 17,160.00 |
| 8948 | Flate head boltFlat head bolt for brackets of spider glazingMaterial | Nos | 36 | 716.00 | 25,776.00 |
| 8949 | 400 mm long fin plate without fastnersMaterial | pair | 5 | 6,524.00 | 32,620.00 |
| 2612 | Anchor Fastner - M10 For one point spider fitting =12x2=24 nos For two point spider fitting =2x2=4 nos For 400mm fin plates =5x6=30 nosTotal=58 nosAnchor Fastner - M10Material | each | 58 | 12.00 | 696.00 |
| 8560 | Non staining water resistant Clear silicon filling in gapNon staining water resistant clear siliconMaterial | metre | 49.28 | 80.00 | 3,942.40 |
| 8559 | Stainless steel U Channel of size (50x25x2mm)Stainless steel U Channel of size (50x25x2 mm)Material | metre | 7 | 176.00 | 1,232.00 |
| 9999 | Sundries(Baker Road, Screw &Accessories)Material | L.S. | 1,000 | 2.27 | 2,270.00 |
| 9999 | LabourMaterial | L.S. | 10,000 | 2.27 | 22,700.00 |
| 9999 | ScaffoldingMaterial | L.S. | 2,600 | 2.27 | 5,902.00 |
| 8778 | Toughened glass 12 mm thicknessMaterial | sqm | 37.04 | 1,925.00 | 71,302.00 |
| 2415 | 21mm thick clear toughened Laminated glass for fins with holes21 mm thick clear toughened Laminated glass for fins with holesMaterial | sqm | 4.83 | 6,242.00 | 30,148.86 |
- TOTAL
- 2,35,649.26
- Add 1 % Water charges on “W”
- 2,356.49
- TOTAL
- 2,38,005.75
- Add GST on “X” (multiplying factor 0.2127)
- 50,623.82
- TOTAL
- 2,88,629.57
- Add 15% CPOH on “Y”
- 43,294.44
- TOTAL
- 3,31,924.01
- Add Cess @ 1% on “Z”
- 3,319.24
- Cost of 35.28 sqm
- 3,35,243.25
- Cost of 1 sqm
- 9,502.36
- Say
- 9,502.35
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1903. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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